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-" vim global plugin that provides a nice tree explorer
-" Last Change: 26 august 2007
-" Maintainer: Martin Grenfell <martin_grenfell at msn dot com>
-let s:NERD_tree_version = '2.6.2'
-
-"A help file is installed when the script is run for the first time.
-"Go :help NERD_tree.txt to see it.
-
-" SECTION: Script init stuff {{{1
-"============================================================
-if exists("loaded_nerd_tree")
- finish
-endif
-if v:version < 700
- echoerr "NERDTree: this plugin requires vim >= 7. DOWNLOAD IT! You'll thank me later!"
- finish
-endif
-let loaded_nerd_tree = 1
-"Function: s:InitVariable() function {{{2
-"This function is used to initialise a given variable to a given value. The
-"variable is only initialised if it does not exist prior
-"
-"Args:
-"var: the name of the var to be initialised
-"value: the value to initialise var to
-"
-"Returns:
-"1 if the var is set, 0 otherwise
-function! s:InitVariable(var, value)
- if !exists(a:var)
- exec 'let ' . a:var . ' = ' . "'" . a:value . "'"
- return 1
- endif
- return 0
-endfunction
-
-"SECTION: Init variable calls and other random constants {{{2
-call s:InitVariable("g:NERDChristmasTree", 1)
-call s:InitVariable("g:NERDTreeAutoCenter", 1)
-call s:InitVariable("g:NERDTreeAutoCenterThreshold", 3)
-call s:InitVariable("g:NERDTreeCaseSensitiveSort", 0)
-call s:InitVariable("g:NERDTreeChDirMode", 1)
-if !exists("g:NERDTreeIgnore")
- let g:NERDTreeIgnore = ['\~$']
-endif
-call s:InitVariable("g:NERDTreeHighlightCursorline", 1)
-call s:InitVariable("g:NERDTreeMouseMode", 1)
-call s:InitVariable("g:NERDTreeNotificationThreshold", 100)
-call s:InitVariable("g:NERDTreeShowHidden", 0)
-call s:InitVariable("g:NERDTreeShowFiles", 1)
-call s:InitVariable("g:NERDTreeSortDirs", 1)
-
-if !exists("g:NERDTreeSortOrder")
- let g:NERDTreeSortOrder = ['\/$', '*', '\.swp$', '\.bak$', '\~$']
-else
- "if there isnt a * in the sort sequence then add one
- if count(g:NERDTreeSortOrder, '*') < 1
- call add(g:NERDTreeSortOrder, '*')
- endif
-endif
-
-"we need to use this number many times for sorting... so we calculate it only
-"once here
-let g:NERDTreeSortStarIndex = index(g:NERDTreeSortOrder, '*')
-
-call s:InitVariable("g:NERDTreeSplitVertical", 1)
-call s:InitVariable("g:NERDTreeWinPos", 1)
-call s:InitVariable("g:NERDTreeWinSize", 31)
-
-let s:running_windows = has("win16") || has("win32") || has("win64")
-
-"init the shell command that will be used to remove dir trees
-"
-"Note: the space after the command is important
-if s:running_windows
- call s:InitVariable("g:NERDTreeRemoveDirCmd", 'rmdir /s /q ')
-else
- call s:InitVariable("g:NERDTreeRemoveDirCmd", 'rm -rf ')
-endif
-
-
-"SECTION: Init variable calls for key mappings {{{2
-call s:InitVariable("g:NERDTreeMapActivateNode", "o")
-call s:InitVariable("g:NERDTreeMapChangeRoot", "C")
-call s:InitVariable("g:NERDTreeMapChdir", "cd")
-call s:InitVariable("g:NERDTreeMapCloseChildren", "X")
-call s:InitVariable("g:NERDTreeMapCloseDir", "x")
-call s:InitVariable("g:NERDTreeMapExecute", "!")
-call s:InitVariable("g:NERDTreeMapFilesystemMenu", "m")
-call s:InitVariable("g:NERDTreeMapHelp", "?")
-call s:InitVariable("g:NERDTreeMapJumpFirstChild", "K")
-call s:InitVariable("g:NERDTreeMapJumpLastChild", "J")
-call s:InitVariable("g:NERDTreeMapJumpNextSibling", "<C-j>")
-call s:InitVariable("g:NERDTreeMapJumpParent", "p")
-call s:InitVariable("g:NERDTreeMapJumpPrevSibling", "<C-k>")
-call s:InitVariable("g:NERDTreeMapJumpRoot", "P")
-call s:InitVariable("g:NERDTreeMapOpenExpl", "e")
-call s:InitVariable("g:NERDTreeMapOpenInTab", "t")
-call s:InitVariable("g:NERDTreeMapOpenInTabSilent", "T")
-call s:InitVariable("g:NERDTreeMapOpenRecursively", "O")
-call s:InitVariable("g:NERDTreeMapOpenSplit", "<tab>")
-call s:InitVariable("g:NERDTreeMapPreview", "g" . NERDTreeMapActivateNode)
-call s:InitVariable("g:NERDTreeMapPreviewSplit", "g" . NERDTreeMapOpenSplit)
-call s:InitVariable("g:NERDTreeMapQuit", "q")
-call s:InitVariable("g:NERDTreeMapRefresh", "r")
-call s:InitVariable("g:NERDTreeMapRefreshRoot", "R")
-call s:InitVariable("g:NERDTreeMapToggleFiles", "F")
-call s:InitVariable("g:NERDTreeMapToggleFilters", "f")
-call s:InitVariable("g:NERDTreeMapToggleHidden", "H")
-call s:InitVariable("g:NERDTreeMapUpdir", "u")
-call s:InitVariable("g:NERDTreeMapUpdirKeepOpen", "U")
-
-"SECTION: Script level variable declaration{{{2
-let s:escape_chars = " `|\"~'#"
-let s:NERDTreeWinName = '_NERD_tree_'
-
-"init all the nerd tree markup
-let s:tree_vert = '|'
-let s:tree_vert_last = '`'
-let s:tree_wid = 2
-let s:tree_wid_str = ' '
-let s:tree_wid_strM1 = ' '
-let s:tree_dir_open = '~'
-let s:tree_dir_closed = '+'
-let s:tree_file = '-'
-let s:tree_markup_reg = '[ \-+~`|]'
-let s:tree_markup_reg_neg = '[^ \-+~`|]'
-let s:tree_up_dir_line = '.. (up a dir)'
-let s:tree_RO_str = ' [RO]'
-let s:tree_RO_str_reg = ' \[RO\]'
-
-let s:os_slash = '/'
-if s:running_windows
- let s:os_slash = '\'
-endif
-
-
-" SECTION: Commands {{{1
-"============================================================
-"init the command that users start the nerd tree with
-command! -n=? -complete=dir NERDTree :call s:InitNerdTree('<args>')
-command! -n=? -complete=dir NERDTreeToggle :call s:Toggle('<args>')
-" SECTION: Auto commands {{{1
-"============================================================
-"Save the cursor position whenever we close the nerd tree
-exec "autocmd BufWinLeave *". s:NERDTreeWinName ."* :call <SID>SaveScreenState()"
-
-"SECTION: Classes {{{1
-"============================================================
-"CLASS: oTreeFileNode {{{2
-"This class is the parent of the oTreeDirNode class and constitures the
-"'Component' part of the composite design pattern between the treenode
-"classes.
-"============================================================
-let s:oTreeFileNode = {}
-"FUNCTION: oTreeFileNode.CompareNodes {{{3
-"This is supposed to be a class level method but i cant figure out how to
-"get func refs to work from a dict..
-"
-"A class level method that compares two nodes
-"
-"Args:
-"n1, n2: the 2 nodes to compare
-function! s:CompareNodes(n1, n2)
- return a:n1.path.CompareTo(a:n2.path)
-endfunction
-
-"FUNCTION: oTreeFileNode.Delete {{{3
-"Removes this node from the tree and calls the Delete method for its path obj
-function! s:oTreeFileNode.Delete() dict
- call self.path.Delete()
- call self.parent.RemoveChild(self)
-endfunction
-
-"FUNCTION: oTreeFileNode.Equals(treenode) {{{3
-"
-"Compares this treenode to the input treenode and returns 1 if they are the
-"same node.
-"
-"Use this method instead of == because sometimes when the treenodes contain
-"many children, vim seg faults when doing ==
-"
-"Args:
-"treenode: the other treenode to compare to
-function! s:oTreeFileNode.Equals(treenode) dict
- return self.path.Str(1) == a:treenode.path.Str(1)
-endfunction
-
-"FUNCTION: oTreeFileNode.FindNode(path) {{{3
-"Returns self if this node.path.Equals the given path.
-"Returns {} if not equal.
-"
-"Args:
-"path: the path object to compare against
-function! s:oTreeFileNode.FindNode(path) dict
- if a:path.Equals(self.path)
- return self
- endif
- return {}
-endfunction
-"FUNCTION: oTreeFileNode.FindOpenDirSiblingWithChildren(direction) {{{3
-"
-"Finds the next sibling for this node in the indicated direction. This sibling
-"must be a directory and may/may not have children as specified.
-"
-"Args:
-"direction: 0 if you want to find the previous sibling, 1 for the next sibling
-"
-"Return:
-"a treenode object or {} if no appropriate sibling could be found
-function! s:oTreeFileNode.FindOpenDirSiblingWithChildren(direction) dict
- "if we have no parent then we can have no siblings
- if self.parent != {}
- let nextSibling = self.FindSibling(a:direction)
-
- while nextSibling != {}
- if nextSibling.path.isDirectory && nextSibling.HasVisibleChildren() && nextSibling.isOpen
- return nextSibling
- endif
- let nextSibling = nextSibling.FindSibling(a:direction)
- endwhile
- endif
-
- return {}
-endfunction
-"FUNCTION: oTreeFileNode.FindSibling(direction) {{{3
-"
-"Finds the next sibling for this node in the indicated direction
-"
-"Args:
-"direction: 0 if you want to find the previous sibling, 1 for the next sibling
-"
-"Return:
-"a treenode object or {} if no sibling could be found
-function! s:oTreeFileNode.FindSibling(direction) dict
- "if we have no parent then we can have no siblings
- if self.parent != {}
-
- "get the index of this node in its parents children
- let siblingIndx = self.parent.GetChildIndex(self.path)
-
- if siblingIndx != -1
- "move a long to the next potential sibling node
- let siblingIndx = a:direction == 1 ? siblingIndx+1 : siblingIndx-1
-
- "keep moving along to the next sibling till we find one that is valid
- let numSiblings = self.parent.GetChildCount()
- while siblingIndx >= 0 && siblingIndx < numSiblings
-
- "if the next node is not an ignored node (i.e. wont show up in the
- "view) then return it
- if self.parent.children[siblingIndx].path.Ignore() == 0
- return self.parent.children[siblingIndx]
- endif
-
- "go to next node
- let siblingIndx = a:direction == 1 ? siblingIndx+1 : siblingIndx-1
- endwhile
- endif
- endif
-
- return {}
-endfunction
-
-"FUNCTION: oTreeFileNode.IsVisible() {{{3
-"returns 1 if this node should be visible according to the tree filters and
-"hidden file filters (and their on/off status)
-function! s:oTreeFileNode.IsVisible() dict
- return !self.path.Ignore()
-endfunction
-
-
-"FUNCTION: oTreeFileNode.IsRoot() {{{3
-"returns 1 if this node is t:NERDTreeRoot
-function! s:oTreeFileNode.IsRoot() dict
- if !s:TreeExistsForTab()
- throw "NERDTree.TreeFileNode.IsRoot exception: No tree exists for the current tab"
- endif
- return self.Equals(t:NERDTreeRoot)
-endfunction
-
-"FUNCTION: oTreeFileNode.New(path) {{{3
-"Returns a new TreeNode object with the given path and parent
-"
-"Args:
-"path: a path object representing the full filesystem path to the file/dir that the node represents
-function! s:oTreeFileNode.New(path) dict
- if a:path.isDirectory
- return s:oTreeDirNode.New(a:path)
- else
- let newTreeNode = {}
- let newTreeNode = copy(self)
- let newTreeNode.path = a:path
- let newTreeNode.parent = {}
- return newTreeNode
- endif
-endfunction
-
-"FUNCTION: oTreeFileNode.Rename {{{3
-"Calls the rename method for this nodes path obj
-function! s:oTreeFileNode.Rename(newName) dict
- call self.path.Rename(a:newName)
- call self.parent.RemoveChild(self)
-
- let parentPath = self.path.GetPathTrunk()
- let newParent = t:NERDTreeRoot.FindNode(parentPath)
-
- if newParent != {}
- call newParent.CreateChild(self.path, 1)
- endif
-endfunction
-
-"FUNCTION: oTreeFileNode.StrDisplay() {{{3
-"
-"Returns a string that specifies how the node should be represented as a
-"string
-"
-"Return:
-"a string that can be used in the view to represent this node
-function! s:oTreeFileNode.StrDisplay() dict
- return self.path.StrDisplay()
-endfunction
-
-"CLASS: oTreeDirNode {{{2
-"This class is a child of the oTreeFileNode class and constitutes the
-"'Composite' part of the composite design pattern between the treenode
-"classes.
-"============================================================
-let s:oTreeDirNode = copy(s:oTreeFileNode)
-"FUNCTION: oTreeDirNode.AddChild(treenode, inOrder) {{{3
-"Adds the given treenode to the list of children for this node
-"
-"Args:
-"-treenode: the node to add
-"-inOrder: 1 if the new node should be inserted in sorted order
-function! s:oTreeDirNode.AddChild(treenode, inOrder) dict
- call add(self.children, a:treenode)
- let a:treenode.parent = self
-
- if a:inOrder
- call self.SortChildren()
- endif
-endfunction
-
-"FUNCTION: oTreeDirNode.Close {{{3
-"Closes this directory
-function! s:oTreeDirNode.Close() dict
- let self.isOpen = 0
-endfunction
-
-"FUNCTION: oTreeDirNode.CloseChildren {{{3
-"Closes all the child dir nodes of this node
-function! s:oTreeDirNode.CloseChildren() dict
- for i in self.children
- if i.path.isDirectory
- call i.Close()
- call i.CloseChildren()
- endif
- endfor
-endfunction
-
-"FUNCTION: oTreeDirNode.CreateChild(path, inOrder) {{{3
-"Instantiates a new child node for this node with the given path. The new
-"nodes parent is set to this node.
-"
-"Args:
-"path: a Path object that this node will represent/contain
-"inOrder: 1 if the new node should be inserted in sorted order
-"
-"Returns:
-"the newly created node
-function! s:oTreeDirNode.CreateChild(path, inOrder) dict
- let newTreeNode = s:oTreeFileNode.New(a:path)
- call self.AddChild(newTreeNode, a:inOrder)
- return newTreeNode
-endfunction
-
-"FUNCTION: oTreeDirNode.FindNode(path) {{{3
-"Will find one of the children (recursively) that has the given path
-"
-"Args:
-"path: a path object
-unlet s:oTreeDirNode.FindNode
-function! s:oTreeDirNode.FindNode(path) dict
- if a:path.Equals(self.path)
- return self
- endif
- if stridx(a:path.Str(1), self.path.Str(1), 0) == -1
- return {}
- endif
-
- if self.path.isDirectory
- for i in self.children
- let retVal = i.FindNode(a:path)
- if retVal != {}
- return retVal
- endif
- endfor
- endif
- return {}
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChildDirs() {{{3
-"Returns the number of children this node has
-function! s:oTreeDirNode.GetChildCount() dict
- return len(self.children)
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChildDirs() {{{3
-"Returns an array of all children of this node that are directories
-"
-"Return:
-"an array of directory treenodes
-function! s:oTreeDirNode.GetChildDirs() dict
- let toReturn = []
- for i in self.children
- if i.path.isDirectory
- call add(toReturn, i)
- endif
- endfor
- return toReturn
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChildFiles() {{{3
-"Returns an array of all children of this node that are files
-"
-"Return:
-"an array of file treenodes
-function! s:oTreeDirNode.GetChildFiles() dict
- let toReturn = []
- for i in self.children
- if i.path.isDirectory == 0
- call add(toReturn, i)
- endif
- endfor
- return toReturn
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChild(path) {{{3
-"Returns child node of this node that has the given path or {} if no such node
-"exists.
-"
-"This function doesnt not recurse into child dir nodes
-"
-"Args:
-"path: a path object
-function! s:oTreeDirNode.GetChild(path) dict
- if stridx(a:path.Str(1), self.path.Str(1), 0) == -1
- return {}
- endif
-
- let index = self.GetChildIndex(a:path)
- if index == -1
- return {}
- else
- return self.children[index]
- endif
-
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChildByIndex(indx, visible) {{{3
-"returns the child at the given index
-"Args:
-"indx: the index to get the child from
-"visible: 1 if only the visible children array should be used, 0 if all the
-"children should be searched.
-function! s:oTreeDirNode.GetChildByIndex(indx, visible) dict
- let array_to_search = a:visible? self.GetVisibleChildren() : self.children
- if a:indx > len(array_to_search)
- throw "NERDTree.TreeDirNode.InvalidArguments exception. Index is out of bounds."
- endif
- return array_to_search[a:indx]
-endfunction
-
-"FUNCTION: oTreeDirNode.GetChildIndex(path) {{{3
-"Returns the index of the child node of this node that has the given path or
-"-1 if no such node exists.
-"
-"This function doesnt not recurse into child dir nodes
-"
-"Args:
-"path: a path object
-function! s:oTreeDirNode.GetChildIndex(path) dict
- if stridx(a:path.Str(1), self.path.Str(1), 0) == -1
- return -1
- endif
-
- "do a binary search for the child
- let a = 0
- let z = self.GetChildCount()
- while a < z
- let mid = (a+z)/2
- let diff = a:path.CompareTo(self.children[mid].path)
-
- if diff == -1
- let z = mid
- elseif diff == 1
- let a = mid+1
- else
- return mid
- endif
- endwhile
- return -1
-endfunction
-
-"FUNCTION: oTreeDirNode.GetVisibleChildCount() {{{3
-"Returns the number of visible children this node has
-function! s:oTreeDirNode.GetVisibleChildCount() dict
- return len(self.GetVisibleChildren())
-endfunction
-
-"FUNCTION: oTreeDirNode.GetVisibleChildren() {{{3
-"Returns a list of children to display for this node, in the correct order
-"
-"Return:
-"an array of treenodes
-function! s:oTreeDirNode.GetVisibleChildren() dict
- let toReturn = []
- for i in self.children
- if i.path.Ignore() == 0
- call add(toReturn, i)
- endif
- endfor
- return toReturn
-endfunction
-
-"FUNCTION: oTreeDirNode.HasVisibleChildren {{{3
-"returns 1 if this node has any childre, 0 otherwise..
-function! s:oTreeDirNode.HasVisibleChildren()
- return self.GetChildCount() != 0
-endfunction
-
-"FUNCTION: oTreeDirNode.InitChildren {{{3
-"Removes all childen from this node and re-reads them
-"
-"Args:
-"silent: 1 if the function should not echo any "please wait" messages for
-"large directories
-"
-"Return: the number of child nodes read
-function! s:oTreeDirNode.InitChildren(silent) dict
- "remove all the current child nodes
- let self.children = []
-
- "get an array of all the files in the nodes dir
- let filesStr = globpath(self.path.GetDir(0), '*') . "\n" . globpath(self.path.GetDir(0), '.*')
- let files = split(filesStr, "\n")
-
- if !a:silent && len(files) > g:NERDTreeNotificationThreshold
- call s:Echo("Please wait, caching a large dir ...")
- endif
-
- let invalidFilesFound = 0
- for i in files
-
- "filter out the .. and . directories
- if i !~ '\.\.$' && i !~ '\.$'
-
- "put the next file in a new node and attach it
- try
- let path = s:oPath.New(i)
- call self.CreateChild(path, 0)
- catch /^NERDTree.Path.InvalidArguments/
- let invalidFilesFound = 1
- endtry
- endif
- endfor
-
- call self.SortChildren()
-
- if !a:silent && len(files) > g:NERDTreeNotificationThreshold
- call s:Echo("Please wait, caching a large dir ...")
- call s:Echo("Please wait, caching a large dir ... DONE (". self.GetChildCount() ." nodes cached).")
- endif
-
- if invalidFilesFound
- call s:EchoWarning("some files could not be loaded into the NERD tree")
- endif
- return self.GetChildCount()
-endfunction
-"FUNCTION: oTreeDirNode.New(path) {{{3
-"Returns a new TreeNode object with the given path and parent
-"
-"Args:
-"path: a path object representing the full filesystem path to the file/dir that the node represents
-unlet s:oTreeDirNode.New
-function! s:oTreeDirNode.New(path) dict
- if a:path.isDirectory != 1
- throw "NERDTree.TreeDirNode.InvalidArguments exception. A TreeDirNode object must be instantiated with a directory Path object."
- endif
-
- let newTreeNode = copy(self)
- let newTreeNode.path = a:path
-
- let newTreeNode.isOpen = 0
- let newTreeNode.children = []
-
- let newTreeNode.parent = {}
-
- return newTreeNode
-endfunction
-"FUNCTION: oTreeDirNode.Open {{{3
-"Reads in all this nodes children
-"
-"Return: the number of child nodes read
-function! s:oTreeDirNode.Open() dict
- let self.isOpen = 1
- if self.children == []
- return self.InitChildren(0)
- else
- return 0
- endif
-endfunction
-
-"FUNCTION: oTreeDirNode.OpenRecursively {{{3
-"Opens this treenode and all of its children whose paths arent 'ignored'
-"because of the file filters.
-"
-"This method is actually a wrapper for the OpenRecursively2 method which does
-"the work.
-function! s:oTreeDirNode.OpenRecursively() dict
- call self.OpenRecursively2(1)
-endfunction
-
-"FUNCTION: oTreeDirNode.OpenRecursively2 {{{3
-"Dont call this method from outside this object.
-"
-"Opens this all children of this treenode recursively if either:
-" *they arent filtered by file filters
-" *a:forceOpen is 1
-"
-"Args:
-"forceOpen: 1 if this node should be opened regardless of file filters
-function! s:oTreeDirNode.OpenRecursively2(forceOpen) dict
- if self.path.Ignore() == 0 || a:forceOpen
- let self.isOpen = 1
- if self.children == []
- call self.InitChildren(1)
- endif
-
- for i in self.children
- if i.path.isDirectory == 1
- call i.OpenRecursively2(0)
- endif
- endfor
- endif
-endfunction
-
-"FUNCTION: oTreeDirNode.Refresh {{{3
-function! s:oTreeDirNode.Refresh() dict
- let newChildNodes = []
- let invalidFilesFound = 0
-
- "go thru all the files/dirs under this node
- let filesStr = globpath(self.path.GetDir(0), '*') . "\n" . globpath(self.path.GetDir(0), '.*')
- let files = split(filesStr, "\n")
- for i in files
- if i !~ '\.\.$' && i !~ '\.$'
-
- try
- "create a new path and see if it exists in this nodes children
- let path = s:oPath.New(i)
- let newNode = self.GetChild(path)
- if newNode != {}
-
- "if the existing node is a dir can be refreshed then
- "refresh it
- if newNode.path.isDirectory && (!empty(newNode.children) || newNode.isOpen == 1)
- call newNode.Refresh()
-
- "if we have a filenode then refresh the path
- elseif newNode.path.isDirectory == 0
- call newNode.path.Refresh()
- endif
-
- call add(newChildNodes, newNode)
-
- "the node doesnt exist so create it
- else
- let newNode = s:oTreeFileNode.New(path)
- let newNode.parent = self
- call add(newChildNodes, newNode)
- endif
-
-
- catch /^NERDTree.InvalidArguments/
- let invalidFilesFound = 1
- endtry
- endif
- endfor
-
- "swap this nodes children out for the children we just read/refreshed
- let self.children = newChildNodes
- call self.SortChildren()
-
- if invalidFilesFound
- call s:EchoWarning("some files could not be loaded into the NERD tree")
- endif
-endfunction
-
-"FUNCTION: oTreeDirNode.RemoveChild {{{3
-"
-"Removes the given treenode from this nodes set of children
-"
-"Args:
-"treenode: the node to remove
-"
-"Throws a NERDTree.TreeDirNode exception if the given treenode is not found
-function! s:oTreeDirNode.RemoveChild(treenode) dict
- for i in range(0, self.GetChildCount()-1)
- if self.children[i].Equals(a:treenode)
- call remove(self.children, i)
- return
- endif
- endfor
-
- throw "NERDTree.TreeDirNode exception: child node was not found"
-endfunction
-
-"FUNCTION: oTreeDirNode.SortChildren {{{3
-"
-"Sorts the children of this node according to alphabetical order and the
-"directory priority.
-"
-function! s:oTreeDirNode.SortChildren() dict
- let CompareFunc = function("s:CompareNodes")
- call sort(self.children, CompareFunc)
-endfunction
-
-"FUNCTION: oTreeDirNode.ToggleOpen {{{3
-"Opens this directory if it is closed and vice versa
-function! s:oTreeDirNode.ToggleOpen() dict
- if self.isOpen == 1
- call self.Close()
- else
- call self.Open()
- endif
-endfunction
-
-"FUNCTION: oTreeDirNode.TransplantChild(newNode) {{{3
-"Replaces the child of this with the given node (where the child node's full
-"path matches a:newNode's fullpath). The search for the matching node is
-"non-recursive
-"
-"Arg:
-"newNode: the node to graft into the tree
-function! s:oTreeDirNode.TransplantChild(newNode) dict
- for i in range(0, self.GetChildCount()-1)
- if self.children[i].Equals(a:newNode)
- let self.children[i] = a:newNode
- let a:newNode.parent = self
- break
- endif
- endfor
-endfunction
-"============================================================
-"CLASS: oPath {{{2
-"============================================================
-let s:oPath = {}
-"FUNCTION: oPath.ChangeToDir() {{{3
-function! s:oPath.ChangeToDir() dict
- let dir = self.Str(1)
- if self.isDirectory == 0
- let dir = self.GetPathTrunk().Str(1)
- endif
-
- try
- execute "cd " . dir
- call s:Echo("CWD is now: " . getcwd())
- catch
- throw "NERDTree.Path.Change exception: cannot change to " . dir
- endtry
-endfunction
-
-"FUNCTION: oPath.ChopTrailingSlash(str) {{{3
-function! s:oPath.ChopTrailingSlash(str) dict
- if a:str =~ '\/$'
- return substitute(a:str, "\/$", "", "")
- else
- return substitute(a:str, "\\$", "", "")
- endif
-endfunction
-
-"FUNCTION: oPath.CompareTo() {{{3
-"
-"Compares this oPath to the given path and returns 0 if they are equal, -1 if
-"this oPath is "less than" the given path, or 1 if it is "greater".
-"
-"Args:
-"path: the path object to compare this to
-"
-"Return:
-"1, -1 or 0
-function! s:oPath.CompareTo(path) dict
- let thisPath = self.GetLastPathComponent(1)
- let thatPath = a:path.GetLastPathComponent(1)
-
- "if the paths are the same then clearly we return 0
- if thisPath == thatPath
- return 0
- endif
-
- let thisSS = self.GetSortOrderIndex()
- let thatSS = a:path.GetSortOrderIndex()
-
- "compare the sort sequences, if they are different then the return
- "value is easy
- if thisSS < thatSS
- return -1
- elseif thisSS > thatSS
- return 1
- else
- "if the sort sequences are the same then compare the paths
- "alphabetically
- let pathCompare = g:NERDTreeCaseSensitiveSort ? thisPath <# thatPath : thisPath <? thatPath
- if pathCompare
- return -1
- else
- return 1
- endif
- endif
-endfunction
-
-"FUNCTION: oPath.Create() {{{3
-"
-"Factory method.
-"
-"Creates a path object with the given path. The path is also created on the
-"filesystem. If the path already exists, a NERDTree.Path.Exists exception is
-"thrown. If any other errors occur, a NERDTree.Path exception is thrown.
-"
-"Args:
-"fullpath: the full filesystem path to the file/dir to create
-function! s:oPath.Create(fullpath) dict
- "bail if the a:fullpath already exists
- if isdirectory(a:fullpath) || filereadable(a:fullpath)
- throw "NERDTree.Path.Exists Exception: Directory Exists: '" . a:fullpath . "'"
- endif
-
- "get the unix version of the input path
- let fullpath = a:fullpath
- if s:running_windows
- let fullpath = s:oPath.WinToUnixPath(fullpath)
- endif
-
- try
-
- "if it ends with a slash, assume its a dir create it
- if fullpath =~ '\/$'
- "whack the trailing slash off the end if it exists
- let fullpath = substitute(fullpath, '\/$', '', '')
-
- call mkdir(fullpath, 'p')
-
- "assume its a file and create
- else
- call writefile([], fullpath)
- endif
- catch /.*/
- throw "NERDTree.Path Exception: Could not create path: '" . a:fullpath . "'"
- endtry
-
- return s:oPath.New(fullpath)
-endfunction
-
-"FUNCTION: oPath.Delete() {{{3
-"
-"Deletes the file represented by this path.
-"Deletion of directories is not supported
-"
-"Throws NERDTree.Path.Deletion exceptions
-function! s:oPath.Delete() dict
- if self.isDirectory
-
- let cmd = ""
- if s:running_windows
- "if we are runnnig windows then put quotes around the pathstring
- let cmd = g:NERDTreeRemoveDirCmd . self.StrForOS(1)
- else
- let cmd = g:NERDTreeRemoveDirCmd . self.StrForOS(0)
- endif
- let success = system(cmd)
-
- if v:shell_error != 0
- throw "NERDTree.Path.Deletion Exception: Could not delete directory: '" . self.StrForOS(0) . "'"
- endif
- else
- let success = delete(self.Str(0))
- if success != 0
- throw "NERDTree.Path.Deletion Exception: Could not delete file: '" . self.Str(0) . "'"
- endif
- endif
-endfunction
-
-"FUNCTION: oPath.GetDir() {{{3
-"
-"Gets the directory part of this path. If this path IS a directory then the
-"whole thing is returned
-"
-"Args:
-"trailingSlash: 1 if a trailing slash is to be stuck on the end of the
-"returned dir
-"
-"Return:
-"string
-function! s:oPath.GetDir(trailingSlash) dict
- let toReturn = ''
- if self.isDirectory
- let toReturn = '/'. join(self.pathSegments, '/')
- else
- let toReturn = '/'. join(self.pathSegments[0:-2], '/')
- endif
-
- if a:trailingSlash && toReturn !~ '\/$'
- let toReturn = toReturn . '/'
- endif
-
- return toReturn
-endfunction
-
-"FUNCTION: oPath.GetFile() {{{3
-"
-"Returns the file component of this path.
-"
-"Throws NERDTree.IllegalOperation exception if the node is a directory node
-function! s:oPath.GetFile() dict
- if self.isDirectory == 0
- return self.GetLastPathComponent(0)
- else
- throw "NERDTree.Path.IllegalOperation Exception: cannot get file component of a directory path"
- endif
-endfunction
-
-"FUNCTION: oPath.GetLastPathComponent(dirSlash) {{{3
-"
-"Gets the last part of this path.
-"
-"Args:
-"dirSlash: if 1 then a trailing slash will be added to the returned value for
-"directory nodes.
-function! s:oPath.GetLastPathComponent(dirSlash) dict
- if empty(self.pathSegments)
- return ''
- endif
- let toReturn = self.pathSegments[-1]
- if a:dirSlash && self.isDirectory
- let toReturn = toReturn . '/'
- endif
- return toReturn
-endfunction
-
-"FUNCTION: oPath.GetPathTrunk() {{{3
-"Gets the path without the last segment on the end.
-function! s:oPath.GetPathTrunk() dict
- return s:oPath.New('/' . join(self.pathSegments[0:-2], '/'))
-endfunction
-
-"FUNCTION: oPath.GetSortOrderIndex() {{{3
-"returns the index of the pattern in g:NERDTreeSortOrder that this path matches
-function! s:oPath.GetSortOrderIndex() dict
- let i = 0
- while i < len(g:NERDTreeSortOrder)
- if self.GetLastPathComponent(1) =~ g:NERDTreeSortOrder[i]
- return i
- endif
- let i = i + 1
- endwhile
- return g:NERDTreeSortStarIndex
-endfunction
-
-"FUNCTION: oPath.Ignore() {{{3
-"returns true if this path should be ignored
-function! s:oPath.Ignore() dict
- let lastPathComponent = self.GetLastPathComponent(0)
-
- "filter out the user specified paths to ignore
- if t:NERDTreeIgnoreEnabled
- for i in g:NERDTreeIgnore
- if lastPathComponent =~ i
- return 1
- endif
- endfor
- endif
-
- "dont show hidden files unless instructed to
- if g:NERDTreeShowHidden == 0 && lastPathComponent =~ '^\.'
- return 1
- endif
-
- if g:NERDTreeShowFiles == 0 && self.isDirectory == 0
- return 1
- endif
-
- return 0
-endfunction
-
-"FUNCTION: oPath.Equals() {{{3
-"
-"Determines whether 2 path objecs are "equal".
-"They are equal if the paths they represent are the same
-"
-"Args:
-"path: the other path obj to compare this with
-function! s:oPath.Equals(path) dict
- let this = self.ChopTrailingSlash(self.Str(1))
- let that = self.ChopTrailingSlash(a:path.Str(1))
- return this == that
-endfunction
-
-"FUNCTION: oPath.New() {{{3
-"
-"The Constructor for the Path object
-"Throws NERDTree.Path.InvalidArguments exception.
-function! s:oPath.New(fullpath) dict
- let newPath = copy(self)
-
- call newPath.ReadInfoFromDisk(a:fullpath)
-
- return newPath
-endfunction
-
-"FUNCTION: oPath.NewMinimal() {{{3
-function! s:oPath.NewMinimal(fullpath) dict
- let newPath = copy(self)
-
- let fullpath = a:fullpath
-
- if s:running_windows
- let fullpath = s:oPath.WinToUnixPath(fullpath)
- endif
-
- let newPath.pathSegments = split(fullpath, '/')
-
- let newPath.isDirectory = isdirectory(fullpath)
-
- return newPath
-endfunction
-
-"FUNCTION: oPath.ReadInfoFromDisk(fullpath) {{{3
-"
-"
-"Throws NERDTree.Path.InvalidArguments exception.
-function! s:oPath.ReadInfoFromDisk(fullpath) dict
- let fullpath = a:fullpath
-
- if s:running_windows
- let fullpath = s:oPath.WinToUnixPath(fullpath)
- endif
-
- let self.pathSegments = split(fullpath, '/')
-
- let self.isReadOnly = 0
- if isdirectory(fullpath)
- let self.isDirectory = 1
- elseif filereadable(fullpath)
- let self.isDirectory = 0
- let self.isReadOnly = filewritable(fullpath) == 0
- else
- throw "NERDTree.Path.InvalidArguments Exception: Invalid path = " . fullpath
- endif
-
- "grab the last part of the path (minus the trailing slash)
- let lastPathComponent = self.GetLastPathComponent(0)
-
- "get the path to the new node with the parent dir fully resolved
- let hardPath = resolve(self.StrTrunk()) . '/' . lastPathComponent
-
- "if the last part of the path is a symlink then flag it as such
- let self.isSymLink = (resolve(hardPath) != hardPath)
- if self.isSymLink
- let self.symLinkDest = resolve(fullpath)
-
- "if the link is a dir then slap a / on the end of its dest
- if isdirectory(self.symLinkDest)
-
- "we always wanna treat MS windows shortcuts as files for
- "simplicity
- if hardPath !~ '\.lnk$'
-
- let self.symLinkDest = self.symLinkDest . '/'
- endif
- endif
- endif
-endfunction
-
-"FUNCTION: oPath.Refresh() {{{3
-function! s:oPath.Refresh() dict
- call self.ReadInfoFromDisk(self.Str(0))
-endfunction
-
-"FUNCTION: oPath.Rename() {{{3
-"
-"Renames this node on the filesystem
-function! s:oPath.Rename(newPath) dict
- if a:newPath == ''
- throw "NERDTree.Path.InvalidArguments exception. Invalid newPath for renaming = ". a:newPath
- endif
-
- let success = rename(self.Str(0), a:newPath)
- if success != 0
- throw "NERDTree.Path.Rename Exception: Could not rename: '" . self.Str(0) . "'" . 'to:' . a:newPath
- endif
- let self.pathSegments = split(a:newPath, '/')
-endfunction
-
-"FUNCTION: oPath.Str(esc) {{{3
-"
-"Gets the actual string path that this obj represents.
-"
-"Args:
-"esc: if 1 then all the tricky chars in the returned string will be escaped
-function! s:oPath.Str(esc) dict
- let toReturn = '/' . join(self.pathSegments, '/')
- if self.isDirectory && toReturn != '/'
- let toReturn = toReturn . '/'
- endif
-
- if a:esc
- let toReturn = escape(toReturn, s:escape_chars)
- endif
- return toReturn
-endfunction
-
-"FUNCTION: oPath.StrAbs() {{{3
-"
-"Returns a string representing this path with all the symlinks resolved
-"
-"Return:
-"string
-function! s:oPath.StrAbs() dict
- return resolve(self.Str(1))
-endfunction
-
-"FUNCTION: oPath.StrDisplay() {{{3
-"
-"Returns a string that specifies how the path should be represented as a
-"string
-"
-"Return:
-"a string that can be used in the view to represent this path
-function! s:oPath.StrDisplay() dict
- let toReturn = self.GetLastPathComponent(1)
-
- if self.isSymLink
- let toReturn .= ' -> ' . self.symLinkDest
- endif
-
- if self.isReadOnly
- let toReturn .= s:tree_RO_str
- endif
-
- return toReturn
-endfunction
-
-"FUNCTION: oPath.StrForEditCmd() {{{3
-"
-"Return: the string for this path that is suitable to be used with the :edit
-"command
-function! s:oPath.StrForEditCmd() dict
- if s:running_windows
- return self.StrForOS(0)
- else
- return self.Str(1)
- endif
-
-endfunction
-"FUNCTION: oPath.StrForOS(esc) {{{3
-"
-"Gets the string path for this path object that is appropriate for the OS.
-"EG, in windows c:\foo\bar
-" in *nix /foo/bar
-"
-"Args:
-"esc: if 1 then all the tricky chars in the returned string will be
-" escaped. If we are running windows then the str is double quoted instead.
-function! s:oPath.StrForOS(esc) dict
- let lead = s:os_slash
-
- "if we are running windows then slap a drive letter on the front
- if s:running_windows
- let lead = strpart(getcwd(), 0, 2) . s:os_slash
- endif
-
- let toReturn = lead . join(self.pathSegments, s:os_slash)
-
- if a:esc
- if s:running_windows
- let toReturn = '"' . toReturn . '"'
- else
- let toReturn = escape(toReturn, s:escape_chars)
- endif
- endif
- return toReturn
-endfunction
-
-"FUNCTION: oPath.StrTrunk() {{{3
-"Gets the path without the last segment on the end.
-function! s:oPath.StrTrunk() dict
- return '/' . join(self.pathSegments[0:-2], '/')
-endfunction
-
-"FUNCTION: oPath.WinToUnixPath(pathstr){{{3
-"Takes in a windows path and returns the unix equiv
-"
-"A class level method
-"
-"Args:
-"pathstr: the windows path to convert
-function! s:oPath.WinToUnixPath(pathstr) dict
- let toReturn = a:pathstr
-
- "remove the x:\ of the front
- let toReturn = substitute(toReturn, '^.*:\(\\\|/\)\?', '/', "")
-
- "convert all \ chars to /
- let toReturn = substitute(toReturn, '\', '/', "g")
-
- return toReturn
-endfunction
-
-" SECTION: General Functions {{{1
-"============================================================
-"FUNCTION: s:Abs(num){{{2
-"returns the absolute value of the input
-function! s:Abs(num)
- if a:num > 0
- return a:num
- else
- return 0 - a:num
- end
-endfunction
-
-"FUNCTION: s:BufInWindows(bnum){{{2
-"[[STOLEN FROM VTREEEXPLORER.VIM]]
-"Determine the number of windows open to this buffer number.
-"Care of Yegappan Lakshman. Thanks!
-"
-"Args:
-"bnum: the subject buffers buffer number
-function! s:BufInWindows(bnum)
- let cnt = 0
- let winnum = 1
- while 1
- let bufnum = winbufnr(winnum)
- if bufnum < 0
- break
- endif
- if bufnum == a:bnum
- let cnt = cnt + 1
- endif
- let winnum = winnum + 1
- endwhile
-
- return cnt
-endfunction " >>>
-
-"FUNCTION: s:InitNerdTree(dir) {{{2
-"Initialized the NERD tree, where the root will be initialized with the given
-"directory
-"
-"Arg:
-"dir: the dir to init the root with
-function! s:InitNerdTree(dir)
- let dir = a:dir == '' ? expand('%:p:h') : a:dir
- let dir = resolve(dir)
-
- if !isdirectory(dir)
- call s:EchoWarning("Error reading: " . dir)
- return
- endif
-
- "if instructed to, then change the vim CWD to the dir the NERDTree is
- "inited in
- if g:NERDTreeChDirMode != 0
- exec "cd " . dir
- endif
-
- let t:treeShowHelp = 0
- let t:NERDTreeIgnoreEnabled = 1
-
- if s:TreeExistsForTab()
- if s:IsTreeOpen()
- call s:CloseTree()
- endif
- unlet t:NERDTreeRoot
- endif
-
- let path = s:oPath.New(dir)
- let t:NERDTreeRoot = s:oTreeDirNode.New(path)
- call t:NERDTreeRoot.Open()
-
- call s:CreateTreeWin()
-
- call s:RenderView()
-endfunction
-
-" Function: s:InstallDocumentation(full_name, revision) {{{2
-" Install help documentation.
-" Arguments:
-" full_name: Full name of this vim plugin script, including path name.
-" revision: Revision of the vim script. #version# mark in the document file
-" will be replaced with this string with 'v' prefix.
-" Return:
-" 1 if new document installed, 0 otherwise.
-" Note: Cleaned and generalized by guo-peng Wen.
-"
-" Note about authorship: this function was taken from the vimspell plugin
-" which can be found at http://www.vim.org/scripts/script.php?script_id=465
-"
-function! s:InstallDocumentation(full_name, revision)
- " Name of the document path based on the system we use:
- if has("vms")
- " No chance that this script will work with
- " VMS - to much pathname juggling here.
- return 1
- elseif (has("unix"))
- " On UNIX like system, using forward slash:
- let l:slash_char = '/'
- let l:mkdir_cmd = ':silent !mkdir -p '
- else
- " On M$ system, use backslash. Also mkdir syntax is different.
- " This should only work on W2K and up.
- let l:slash_char = '\'
- let l:mkdir_cmd = ':silent !mkdir '
- endif
-
- let l:doc_path = l:slash_char . 'doc'
- let l:doc_home = l:slash_char . '.vim' . l:slash_char . 'doc'
-
- " Figure out document path based on full name of this script:
- let l:vim_plugin_path = fnamemodify(a:full_name, ':h')
- let l:vim_doc_path = fnamemodify(a:full_name, ':h:h') . l:doc_path
- if (!(filewritable(l:vim_doc_path) == 2))
- "Doc path: " . l:vim_doc_path
- call s:Echo("Doc path: " . l:vim_doc_path)
- execute l:mkdir_cmd . '"' . l:vim_doc_path . '"'
- if (!(filewritable(l:vim_doc_path) == 2))
- " Try a default configuration in user home:
- let l:vim_doc_path = expand("~") . l:doc_home
- if (!(filewritable(l:vim_doc_path) == 2))
- execute l:mkdir_cmd . '"' . l:vim_doc_path . '"'
- if (!(filewritable(l:vim_doc_path) == 2))
- " Put a warning:
- call s:Echo("Unable to open documentation directory")
- call s:Echo("type :help add-local-help for more information.")
- call s:Echo(l:vim_doc_path)
- return 0
- endif
- endif
- endif
- endif
-
- " Exit if we have problem to access the document directory:
- if (!isdirectory(l:vim_plugin_path) || !isdirectory(l:vim_doc_path) || filewritable(l:vim_doc_path) != 2)
- return 0
- endif
-
- " Full name of script and documentation file:
- let l:script_name = fnamemodify(a:full_name, ':t')
- let l:doc_name = fnamemodify(a:full_name, ':t:r') . '.txt'
- let l:plugin_file = l:vim_plugin_path . l:slash_char . l:script_name
- let l:doc_file = l:vim_doc_path . l:slash_char . l:doc_name
-
- " Bail out if document file is still up to date:
- if (filereadable(l:doc_file) && getftime(l:plugin_file) < getftime(l:doc_file))
- return 0
- endif
-
- " Prepare window position restoring command:
- if (strlen(@%))
- let l:go_back = 'b ' . bufnr("%")
- else
- let l:go_back = 'enew!'
- endif
-
- " Create a new buffer & read in the plugin file (me):
- setl nomodeline
- exe 'enew!'
- exe 'r ' . l:plugin_file
-
- setl modeline
- let l:buf = bufnr("%")
- setl noswapfile modifiable
-
- norm zR
- norm gg
-
- " Delete from first line to a line starts with
- " === START_DOC
- 1,/^=\{3,}\s\+START_DOC\C/ d
-
- " Delete from a line starts with
- " === END_DOC
- " to the end of the documents:
- /^=\{3,}\s\+END_DOC\C/,$ d
-
- " Remove fold marks:
- :%s/{{{[1-9]/ /
-
- " Add modeline for help doc: the modeline string is mangled intentionally
- " to avoid it be recognized by VIM:
- call append(line('$'), '')
- call append(line('$'), ' v' . 'im:tw=78:ts=8:ft=help:norl:')
-
- " Replace revision:
- "exe "normal :1s/#version#/ v" . a:revision . "/\<CR>"
- exe "normal! :%s/#version#/ v" . a:revision . "/\<CR>"
-
- " Save the help document:
- exe 'w! ' . l:doc_file
- exe l:go_back
- exe 'bw ' . l:buf
-
- " Build help tags:
- exe 'helptags ' . l:vim_doc_path
-
- return 1
-endfunction
-
-" Function: s:TreeExistsForTab() {{{2
-" Returns 1 if a nerd tree root exists in the current tab
-function! s:TreeExistsForTab()
- return exists("t:NERDTreeRoot")
-endfunction
-
-" SECTION: Public Functions {{{1
-"============================================================
-"Returns the node that the cursor is currently on.
-"
-"If the cursor is not in the NERDTree window, it is temporarily put there.
-"
-"If no NERD tree window exists for the current tab, a NERDTree.NoTreeForTab
-"exception is thrown.
-"
-"If the cursor is not on a node then an empty dictionary {} is returned.
-function! NERDTreeGetCurrentNode()
- if !s:TreeExistsForTab() || !s:IsTreeOpen()
- throw "NERDTree.NoTreeForTab exception: there is no NERD tree open for the current tab"
- endif
-
- let winnr = winnr()
- if winnr != s:GetTreeWinNum()
- call s:PutCursorInTreeWin()
- endif
-
- let treenode = s:GetSelectedNode()
-
- if winnr != winnr()
- wincmd w
- endif
-
- return treenode
-endfunction
-
-"Returns the path object for the current node.
-"
-"Subject to the same conditions as NERDTreeGetCurrentNode
-function! NERDTreeGetCurrentPath()
- let node = NERDTreeGetCurrentNode()
- if node != {}
- return node.path
- else
- return {}
- endif
-endfunction
-
-" SECTION: View Functions {{{1
-"============================================================
-"FUNCTION: s:CenterView() {{{2
-"centers the nerd tree window around the cursor (provided the nerd tree
-"options permit)
-function! s:CenterView()
- if g:NERDTreeAutoCenter
- let current_line = winline()
- let lines_to_top = current_line
- let lines_to_bottom = winheight(s:GetTreeWinNum()) - current_line
- if lines_to_top < g:NERDTreeAutoCenterThreshold || lines_to_bottom < g:NERDTreeAutoCenterThreshold
- normal! zz
- endif
- endif
-endfunction
-
-"FUNCTION: s:CloseTree() {{{2
-"Closes the NERD tree window
-function! s:CloseTree()
- if !s:IsTreeOpen()
- throw "NERDTree.view.CloseTree exception: no NERDTree is open"
- endif
-
- if winnr("$") != 1
- execute s:GetTreeWinNum() . " wincmd w"
- close
- execute "wincmd p"
- else
- :q
- endif
-endfunction
-
-"FUNCTION: s:CreateTreeWin() {{{2
-"Inits the NERD tree window. ie. opens it, sizes it, sets all the local
-"options etc
-function! s:CreateTreeWin()
- "create the nerd tree window
- let splitLocation = g:NERDTreeWinPos ? "topleft " : "belowright "
- let splitMode = g:NERDTreeSplitVertical ? "vertical " : ""
- let splitSize = g:NERDTreeWinSize
- let t:NERDTreeWinName = localtime() . s:NERDTreeWinName
- let cmd = splitLocation . splitMode . splitSize . ' new ' . t:NERDTreeWinName
- silent! execute cmd
-
- setl winfixwidth
-
- "throwaway buffer options
- setlocal noswapfile
- setlocal buftype=nofile
- setlocal bufhidden=delete
- setlocal nowrap
- setlocal foldcolumn=0
- setlocal nobuflisted
- setlocal nospell
- iabc <buffer>
-
- if g:NERDTreeHighlightCursorline
- setlocal cursorline
- endif
-
- " syntax highlighting
- if has("syntax") && exists("g:syntax_on") && !has("syntax_items")
- call s:SetupSyntaxHighlighting()
- endif
-
- " for line continuation
- let cpo_save1 = &cpo
- set cpo&vim
-
- call s:BindMappings()
-endfunction
-
-"FUNCTION: s:DrawTree {{{2
-"Draws the given node recursively
-"
-"Args:
-"curNode: the node that is being rendered with this call
-"depth: the current depth in the tree for this call
-"drawText: 1 if we should actually draw the line for this node (if 0 then the
-"child nodes are rendered only)
-"vertMap: a binary array that indicates whether a vertical bar should be draw
-"for each depth in the tree
-"isLastChild:true if this curNode is the last child of its parent
-function! s:DrawTree(curNode, depth, drawText, vertMap, isLastChild)
- if a:drawText == 1
-
- let treeParts = ''
-
- "get all the leading spaces and vertical tree parts for this line
- if a:depth > 1
- for j in a:vertMap[0:-2]
- if j == 1
- let treeParts = treeParts . s:tree_vert . s:tree_wid_strM1
- else
- let treeParts = treeParts . s:tree_wid_str
- endif
- endfor
- endif
-
- "get the last vertical tree part for this line which will be different
- "if this node is the last child of its parent
- if a:isLastChild
- let treeParts = treeParts . s:tree_vert_last
- else
- let treeParts = treeParts . s:tree_vert
- endif
-
-
- "smack the appropriate dir/file symbol on the line before the file/dir
- "name itself
- if a:curNode.path.isDirectory
- if a:curNode.isOpen
- let treeParts = treeParts . s:tree_dir_open
- else
- let treeParts = treeParts . s:tree_dir_closed
- endif
- else
- let treeParts = treeParts . s:tree_file
- endif
- let line = treeParts . a:curNode.StrDisplay()
-
- call setline(line(".")+1, line)
- call cursor(line(".")+1, col("."))
- endif
-
- "if the node is an open dir, draw its children
- if a:curNode.path.isDirectory == 1 && a:curNode.isOpen == 1
-
- let childNodesToDraw = a:curNode.GetVisibleChildren()
- if len(childNodesToDraw) > 0
-
- "draw all the nodes children except the last
- let lastIndx = len(childNodesToDraw)-1
- if lastIndx > 0
- for i in childNodesToDraw[0:lastIndx-1]
- call s:DrawTree(i, a:depth + 1, 1, add(copy(a:vertMap), 1), 0)
- endfor
- endif
-
- "draw the last child, indicating that it IS the last
- call s:DrawTree(childNodesToDraw[lastIndx], a:depth + 1, 1, add(copy(a:vertMap), 0), 1)
- endif
- endif
-endfunction
-
-
-"FUNCTION: s:DumpHelp {{{2
-"prints out the quick help
-function! s:DumpHelp()
- let old_h = @h
- if t:treeShowHelp == 1
- let @h= "\" NERD tree (" . s:NERD_tree_version . ") quickhelp~\n"
- let @h=@h."\" ============================\n"
- let @h=@h."\" File node mappings~\n"
- let @h=@h."\" ". (g:NERDTreeMouseMode == 3 ? "single" : "double") ."-click,\n"
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open in prev window\n"
- let @h=@h."\" ". g:NERDTreeMapPreview .": preview \n"
- let @h=@h."\" ". g:NERDTreeMapOpenInTab.": open in new tab\n"
- let @h=@h."\" ". g:NERDTreeMapOpenInTabSilent .": open in new tab silently\n"
- let @h=@h."\" middle-click,\n"
- let @h=@h."\" ". g:NERDTreeMapOpenSplit .": open split\n"
- let @h=@h."\" ". g:NERDTreeMapPreviewSplit .": preview split\n"
- let @h=@h."\" ". g:NERDTreeMapExecute.": Execute file\n"
-
- let @h=@h."\" \n\" ----------------------------\n"
- let @h=@h."\" Directory node mappings~\n"
- let @h=@h."\" ". (g:NERDTreeMouseMode == 1 ? "double" : "single") ."-click,\n"
- let @h=@h."\" ". g:NERDTreeMapActivateNode .": open/close node \n"
- let @h=@h."\" ". g:NERDTreeMapOpenRecursively .": recursively open node\n"
- let @h=@h."\" ". g:NERDTreeMapCloseDir .": close parent of node\n"
- let @h=@h."\" ". g:NERDTreeMapCloseChildren .": close all child nodes of\n"
- let @h=@h."\" current node recursively\n"
- let @h=@h."\" middle-click,\n"
- let @h=@h."\" ". g:NERDTreeMapOpenExpl.": Open netrw for selected\n"
- let @h=@h."\" node \n"
-
- let @h=@h."\" \n\" ----------------------------\n"
- let @h=@h."\" Tree navigation mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapJumpRoot .": go to root\n"
- let @h=@h."\" ". g:NERDTreeMapJumpParent .": go to parent\n"
- let @h=@h."\" ". g:NERDTreeMapJumpFirstChild .": go to first child\n"
- let @h=@h."\" ". g:NERDTreeMapJumpLastChild .": go to last child\n"
- let @h=@h."\" ". g:NERDTreeMapJumpNextSibling .": go to next sibling\n"
- let @h=@h."\" ". g:NERDTreeMapJumpPrevSibling .": go to prev sibling\n"
-
- let @h=@h."\" \n\" ----------------------------\n"
- let @h=@h."\" Filesystem mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapChangeRoot .": change tree root to the\n"
- let @h=@h."\" selected dir\n"
- let @h=@h."\" ". g:NERDTreeMapUpdir .": move tree root up a dir\n"
- let @h=@h."\" ". g:NERDTreeMapUpdirKeepOpen .": move tree root up a dir\n"
- let @h=@h."\" but leave old root open\n"
- let @h=@h."\" ". g:NERDTreeMapRefresh .": refresh cursor dir\n"
- let @h=@h."\" ". g:NERDTreeMapRefreshRoot .": refresh current root\n"
- let @h=@h."\" ". g:NERDTreeMapFilesystemMenu .": Show filesystem menu\n"
- let @h=@h."\" ". g:NERDTreeMapChdir .":change the CWD to the\n"
- let @h=@h."\" selected dir\n"
-
- let @h=@h."\" \n\" ----------------------------\n"
- let @h=@h."\" Tree filtering mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapToggleHidden .": hidden files (" . (g:NERDTreeShowHidden ? "on" : "off") . ")\n"
- let @h=@h."\" ". g:NERDTreeMapToggleFilters .": file filters (" . (t:NERDTreeIgnoreEnabled ? "on" : "off") . ")\n"
- let @h=@h."\" ". g:NERDTreeMapToggleFiles .": files (" . (g:NERDTreeShowFiles ? "on" : "off") . ")\n"
-
- let @h=@h."\" \n\" ----------------------------\n"
- let @h=@h."\" Other mappings~\n"
- let @h=@h."\" ". g:NERDTreeMapQuit .": Close the NERDTree window\n"
- let @h=@h."\" ". g:NERDTreeMapHelp .": toggle help\n"
- else
- let @h="\" Press ". g:NERDTreeMapHelp ." for help\n"
- endif
-
- silent! put h
-
- let @h = old_h
-endfunction
-"FUNCTION: s:Echo {{{2
-"A wrapper for :echo. Appends 'NERDTree:' on the front of all messages
-"
-"Args:
-"msg: the message to echo
-function! s:Echo(msg)
- redraw
- echo "NERDTree: " . a:msg
-endfunction
-"FUNCTION: s:EchoWarning {{{2
-"Wrapper for s:Echo, sets the message type to warningmsg for this message
-"Args:
-"msg: the message to echo
-function! s:EchoWarning(msg)
- echohl warningmsg
- call s:Echo(a:msg)
- echohl normal
-endfunction
-"FUNCTION: s:EchoError {{{2
-"Wrapper for s:Echo, sets the message type to errormsg for this message
-"Args:
-"msg: the message to echo
-function! s:EchoError(msg)
- echohl errormsg
- call s:Echo(a:msg)
- echohl normal
-endfunction
-"FUNCTION: s:FindNodeLineNumber(treenode){{{2
-"Finds the line number for the given tree node
-"
-"Args:
-"treenode: the node to find the line no. for
-function! s:FindNodeLineNumber(treenode)
- "if the node is the root then return the root line no.
- if a:treenode.IsRoot()
- return s:FindRootNodeLineNumber()
- endif
-
- let totalLines = line("$")
-
- "the path components we have matched so far
- let pathcomponents = [substitute(t:NERDTreeRoot.path.Str(0), '/ *$', '', '')]
- "the index of the component we are searching for
- let curPathComponent = 1
-
- let fullpath = a:treenode.path.Str(0)
-
-
- let lnum = s:FindRootNodeLineNumber()
- while lnum > 0
- let lnum = lnum + 1
- "have we reached the bottom of the tree?
- if lnum == totalLines+1
- return -1
- endif
-
- let curLine = getline(lnum)
-
- let indent = match(curLine,s:tree_markup_reg_neg) / s:tree_wid
- if indent == curPathComponent
- let curLine = s:StripMarkupFromLine(curLine, 1)
-
- let curPath = join(pathcomponents, '/') . '/' . curLine
- if stridx(fullpath, curPath, 0) == 0
- if fullpath == curPath || strpart(fullpath, len(curPath)-1,1) == '/'
- let curLine = substitute(curLine, '/ *$', '', '')
- call add(pathcomponents, curLine)
- let curPathComponent = curPathComponent + 1
-
- if fullpath == curPath
- return lnum
- endif
- endif
- endif
- endif
- endwhile
- return -1
-endfunction
-
-"FUNCTION: s:FindRootNodeLineNumber(path){{{2
-"Finds the line number of the root node
-function! s:FindRootNodeLineNumber()
- let rootLine = 1
- while getline(rootLine) !~ '^/'
- let rootLine = rootLine + 1
- endwhile
- return rootLine
-endfunction
-
-"FUNCTION: s:GetPath(ln) {{{2
-"Gets the full path to the node that is rendered on the given line number
-"
-"Args:
-"ln: the line number to get the path for
-"
-"Return:
-"A path if a node was selected, {} if nothing is selected.
-"If the 'up a dir' line was selected then the path to the parent of the
-"current root is returned
-function! s:GetPath(ln)
- let line = getline(a:ln)
-
- "check to see if we have the root node
- if line =~ '^\/'
- return t:NERDTreeRoot.path
- endif
-
- " in case called from outside the tree
- if line !~ '^ *[|`]' || line =~ '^$'
- return {}
- endif
-
- if line == s:tree_up_dir_line
- return s:oPath.New( t:NERDTreeRoot.path.GetDir(0) )
- endif
-
- "get the indent level for the file (i.e. how deep in the tree it is)
- "let indent = match(line,'[^-| `]') / s:tree_wid
- let indent = match(line, s:tree_markup_reg_neg) / s:tree_wid
-
-
- "remove the tree parts and the leading space
- let curFile = s:StripMarkupFromLine(line, 0)
-
- let wasdir = 0
- if curFile =~ '/$'
- let wasdir = 1
- endif
- let curFile = substitute (curFile,' -> .*',"","") " remove link to
- if wasdir == 1
- let curFile = substitute (curFile, '/\?$', '/', "")
- endif
-
-
- let dir = ""
- let lnum = a:ln
- while lnum > 0
- let lnum = lnum - 1
- let curLine = getline(lnum)
-
- "have we reached the top of the tree?
- if curLine =~ '^/'
- let sd = substitute (curLine, '[ ]*$', "", "")
- let dir = sd . dir
- break
- endif
- if curLine =~ '/$'
- let lpindent = match(curLine,s:tree_markup_reg_neg) / s:tree_wid
- if lpindent < indent
- let indent = indent - 1
- let sd = substitute (curLine, '^' . s:tree_markup_reg . '*',"","")
- let sd = substitute (sd, ' -> .*', '',"")
-
- " remove leading escape
- let sd = substitute (sd,'^\\', "", "")
-
- let dir = sd . dir
- continue
- endif
- endif
- endwhile
- let curFile = dir . curFile
- return s:oPath.NewMinimal(curFile)
-endfunction
-
-"FUNCTION: s:GetSelectedDir() {{{2
-"Returns the current node if it is a dir node, or else returns the current
-"nodes parent
-function! s:GetSelectedDir()
- let currentDir = s:GetSelectedNode()
- if currentDir != {} && !currentDir.IsRoot()
- if currentDir.path.isDirectory == 0
- let currentDir = currentDir.parent
- endif
- endif
- return currentDir
-endfunction
-"FUNCTION: s:GetSelectedNode() {{{2
-"gets the treenode that the cursor is currently over
-function! s:GetSelectedNode()
- try
- let path = s:GetPath(line("."))
- if path == {}
- return {}
- endif
- return t:NERDTreeRoot.FindNode(path)
- catch /^NERDTree/
- return {}
- endtry
-endfunction
-
-"FUNCTION: s:GetTreeBufNum() {{{2
-"gets the nerd tree buffer number for this tab
-function! s:GetTreeBufNum()
- if exists("t:NERDTreeWinName")
- return bufnr(t:NERDTreeWinName)
- else
- return -1
- endif
-endfunction
-"FUNCTION: s:GetTreeWinNum() {{{2
-"gets the nerd tree window number for this tab
-function! s:GetTreeWinNum()
- if exists("t:NERDTreeWinName")
- return bufwinnr(t:NERDTreeWinName)
- else
- return -1
- endif
-endfunction
-
-"FUNCTION: s:IsTreeOpen() {{{2
-function! s:IsTreeOpen()
- return s:GetTreeWinNum() != -1
-endfunction
-
-" FUNCTION: s:JumpToChild(direction) {{{2
-" Args:
-" direction: 0 if going to first child, 1 if going to last
-function! s:JumpToChild(direction)
- let currentNode = s:GetSelectedNode()
- if currentNode == {} || currentNode.IsRoot()
- call s:Echo("cannot jump to " . (a:direction ? "last" : "first") . " child")
- return
- end
- let dirNode = currentNode.parent
- let childNodes = dirNode.GetVisibleChildren()
-
- let targetNode = childNodes[0]
- if a:direction
- let targetNode = childNodes[len(childNodes) - 1]
- endif
-
- if targetNode.Equals(currentNode)
- let siblingDir = currentNode.parent.FindOpenDirSiblingWithChildren(a:direction)
- if siblingDir != {}
- let indx = a:direction ? siblingDir.GetVisibleChildCount()-1 : 0
- let targetNode = siblingDir.GetChildByIndex(indx, 1)
- endif
- endif
-
- call s:PutCursorOnNode(targetNode, 1)
-
- call s:CenterView()
-endfunction
-
-
-"FUNCTION: s:OpenDirNodeSplit(treenode) {{{2
-"Open the file represented by the given node in a new window.
-"No action is taken for file nodes
-"
-"ARGS:
-"treenode: file node to open
-function! s:OpenDirNodeSplit(treenode)
- if a:treenode.path.isDirectory == 1
- call s:OpenNodeSplit(a:treenode)
- endif
-endfunction
-
-"FUNCTION: s:OpenFileNode(treenode) {{{2
-"Open the file represented by the given node in the current window, splitting
-"the window if needed
-"
-"ARGS:
-"treenode: file node to open
-function! s:OpenFileNode(treenode)
- call s:PutCursorInTreeWin()
-
- if s:ShouldSplitToOpen(winnr("#"))
- call s:OpenFileNodeSplit(a:treenode)
- else
- try
- wincmd p
- exec ("edit " . a:treenode.path.StrForEditCmd())
- catch /^Vim\%((\a\+)\)\=:E37/
- call s:PutCursorInTreeWin()
- call s:Echo("Cannot open file, it is already open and modified")
- catch /^Vim\%((\a\+)\)\=:/
- echo v:exception
- endtry
- endif
-endfunction
-
-"FUNCTION: s:OpenFileNodeSplit(treenode) {{{2
-"Open the file represented by the given node in a new window.
-"No action is taken for dir nodes
-"
-"ARGS:
-"treenode: file node to open
-function! s:OpenFileNodeSplit(treenode)
- if a:treenode.path.isDirectory == 0
- try
- call s:OpenNodeSplit(a:treenode)
- catch /^NERDTree.view.FileOpen/
- call s:Echo("Cannot open file, it is already open and modified" )
- endtry
- endif
-endfunction
-
-"FUNCTION: s:OpenNodeSplit(treenode) {{{2
-"Open the file/dir represented by the given node in a new window
-"
-"ARGS:
-"treenode: file node to open
-function! s:OpenNodeSplit(treenode)
- call s:PutCursorInTreeWin()
-
- " Save the user's settings for splitbelow and splitright
- let savesplitbelow=&splitbelow
- let savesplitright=&splitright
-
- " Figure out how to do the split based on the user's preferences.
- " We want to split to the (left,right,top,bottom) of the explorer
- " window, but we want to extract the screen real-estate from the
- " window next to the explorer if possible.
- "
- " 'there' will be set to a command to move from the split window
- " back to the explorer window
- "
- " 'back' will be set to a command to move from the explorer window
- " back to the newly split window
- "
- " 'right' and 'below' will be set to the settings needed for
- " splitbelow and splitright IF the explorer is the only window.
- "
- if g:NERDTreeSplitVertical == 1
- let there= g:NERDTreeWinPos ? "wincmd h" : "wincmd l"
- let back= g:NERDTreeWinPos ? "wincmd l" : "wincmd h"
- let right=g:NERDTreeWinPos ? 1 : 0
- let below=0
- else
- let there= g:NERDTreeWinPos ? "wincmd k" : "wincmd j"
- let back= g:NERDTreeWinPos ? "wincmd j" : "wincmd k"
- let right=0
- let below=g:NERDTreeWinPos ? 1 : 0
- endif
-
- " Attempt to go to adjacent window
- exec(back)
-
- let onlyOneWin = (winnr() == s:GetTreeWinNum())
-
- " If no adjacent window, set splitright and splitbelow appropriately
- if onlyOneWin
- let &splitright=right
- let &splitbelow=below
- else
- " found adjacent window - invert split direction
- let &splitright=!right
- let &splitbelow=!below
- endif
-
- " Create a variable to use if splitting vertically
- let splitMode = ""
- if (onlyOneWin && g:NERDTreeSplitVertical) || (!onlyOneWin && !g:NERDTreeSplitVertical)
- let splitMode = "vertical"
- endif
-
- " Open the new window
- try
- exec("silent " . splitMode." sp " . a:treenode.path.StrForEditCmd())
- catch /^Vim\%((\a\+)\)\=:E37/
- call s:PutCursorInTreeWin()
- throw "NERDTree.view.FileOpen exception: ". a:treenode.path.Str(0) ." is already open and modified."
- catch /^Vim\%((\a\+)\)\=:/
- do nothing
- endtry
-
- " resize the explorer window if it is larger than the requested size
- exec(there)
-
- if g:NERDTreeWinSize =~ '[0-9]\+' && winheight("") > g:NERDTreeWinSize
- exec("silent vertical resize ".g:NERDTreeWinSize)
- endif
-
- wincmd p
-
- " Restore splitmode settings
- let &splitbelow=savesplitbelow
- let &splitright=savesplitright
-endfunction
-
-"FUNCTION: s:PromptToDelBuffer(bufnum, msg){{{2
-"prints out the given msg and, if the user responds by pushing 'y' then the
-"buffer with the given bufnum is deleted
-"
-"Args:
-"bufnum: the buffer that may be deleted
-"msg: a message that will be echoed to the user asking them if they wish to
-" del the buffer
-function! s:PromptToDelBuffer(bufnum, msg)
- echo a:msg
- if nr2char(getchar()) == 'y'
- exec "silent bdelete! " . a:bufnum
- endif
-endfunction
-
-"FUNCTION: s:PutCursorOnNode(treenode, is_jump){{{2
-"Places the cursor on the line number representing the given node
-"
-"Args:
-"treenode: the node to put the cursor on
-"is_jump: 1 if this cursor movement should be counted as a jump by vim
-function! s:PutCursorOnNode(treenode, is_jump)
- let ln = s:FindNodeLineNumber(a:treenode)
- if ln != -1
- if a:is_jump
- mark '
- endif
- call cursor(ln, col("."))
- endif
-endfunction
-
-"FUNCTION: s:PutCursorInTreeWin(){{{2
-"Places the cursor in the nerd tree window
-function! s:PutCursorInTreeWin()
- if !s:IsTreeOpen()
- throw "NERDTree.view.InvalidOperation Exception: No NERD tree window exists"
- endif
-
- exec s:GetTreeWinNum() . "wincmd w"
-endfunction
-
-"FUNCTION: s:RenderView {{{2
-"The entry function for rendering the tree. Renders the root then calls
-"s:DrawTree to draw the children of the root
-"
-"Args:
-function! s:RenderView()
- execute s:GetTreeWinNum() . "wincmd w"
-
- setlocal modifiable
-
- "remember the top line of the buffer and the current line so we can
- "restore the view exactly how it was
- let curLine = line(".")
- let curCol = col(".")
- let topLine = line("w0")
-
- "delete all lines in the buffer (being careful not to clobber a register)
- :silent 1,$delete _
-
- call s:DumpHelp()
-
- "delete the blank line before the help and add one after it
- call setline(line(".")+1, " ")
- call cursor(line(".")+1, col("."))
-
- "add the 'up a dir' line
- call setline(line(".")+1, s:tree_up_dir_line)
- call cursor(line(".")+1, col("."))
-
- "draw the header line
- call setline(line(".")+1, t:NERDTreeRoot.path.Str(0))
- call cursor(line(".")+1, col("."))
-
- "draw the tree
- call s:DrawTree(t:NERDTreeRoot, 0, 0, [], t:NERDTreeRoot.GetChildCount() == 1)
-
- "delete the blank line at the top of the buffer
- :silent 1,1delete _
-
- "restore the view
- call cursor(topLine, 1)
- normal! zt
- call cursor(curLine, curCol)
-
- setlocal nomodifiable
-endfunction
-
-"FUNCTION: s:RenderViewSavingPosition {{{2
-"Renders the tree and ensures the cursor stays on the current node or the
-"current nodes parent if it is no longer available upon re-rendering
-function! s:RenderViewSavingPosition()
- let currentNode = s:GetSelectedNode()
-
- "go up the tree till we find a node that will be visible or till we run
- "out of nodes
- while currentNode != {} && !currentNode.IsVisible() && !currentNode.IsRoot()
- let currentNode = currentNode.parent
- endwhile
-
- call s:RenderView()
-
- if currentNode != {}
- call s:PutCursorOnNode(currentNode, 0)
- endif
-endfunction
-"FUNCTION: s:RestoreScreenState() {{{2
-"
-"Sets the screen state back to what it was when s:SaveScreenState was last
-"called.
-"
-"Assumes the cursor is in the NERDTree window
-function! s:RestoreScreenState()
- if !exists("t:NERDTreeOldTopLine") || !exists("t:NERDTreeOldPos")
- return
- endif
-
- call cursor(t:NERDTreeOldTopLine, 0)
- normal! zt
- call setpos(".", t:NERDTreeOldPos)
-endfunction
-
-"FUNCTION: s:SaveScreenState() {{{2
-"Saves the current cursor position in the current buffer and the window
-"scroll position
-"
-"Assumes the cursor is in the NERDTree window
-function! s:SaveScreenState()
- let t:NERDTreeOldPos = getpos(".")
- let t:NERDTreeOldTopLine = line("w0")
-endfunction
-
-"FUNCTION: s:SetupSyntaxHighlighting() {{{2
-function! s:SetupSyntaxHighlighting()
- "treeFlags are syntax items that should be invisible, but give clues as to
- "how things should be highlighted
- syn match treeFlag #\~#
- syn match treeFlag #\[RO\]#
-
- "highlighting for the .. (up dir) line at the top of the tree
- execute "syn match treeUp #". s:tree_up_dir_line ."#"
-
- "highlighting for the ~/+ symbols for the directory nodes
- syn match treeClosable #\~\<#
- syn match treeClosable #\~\.#
- syn match treeOpenable #+\<#
- syn match treeOpenable #+\.#he=e-1
-
- "highlighting for the tree structural parts
- syn match treePart #|#
- syn match treePart #`#
- syn match treePartFile #[|`]-#hs=s+1 contains=treePart
-
- "quickhelp syntax elements
- syn match treeHelpKey #" \{1,2\}[^ ]*:#hs=s+2,he=e-1
- syn match treeHelpKey #" \{1,2\}[^ ]*,#hs=s+2,he=e-1
- syn match treeHelpTitle #" .*\~#hs=s+2,he=e-1 contains=treeFlag
- syn match treeToggleOn #".*(on)#hs=e-2,he=e-1 contains=treeHelpKey
- syn match treeToggleOff #".*(off)#hs=e-3,he=e-1 contains=treeHelpKey
- syn match treeHelp #^" .*# contains=treeHelpKey,treeHelpTitle,treeFlag,treeToggleOff,treeToggleOn
-
- "highlighting for sym links
- syn match treeLink #[^-| `].* -> #
-
- "highlighting for readonly files
- syn match treeRO #[0-9a-zA-Z]\+.*\[RO\]# contains=treeFlag
-
- "highlighing for directory nodes and file nodes
- syn match treeDirSlash #/#
- syn match treeDir #[^-| `].*/\([ {}]\{4\}\)*$# contains=treeLink,treeDirSlash,treeOpenable,treeClosable
- syn match treeFile #|-.*# contains=treeLink,treePart,treeRO,treePartFile
- syn match treeFile #`-.*# contains=treeLink,treePart,treeRO,treePartFile
- syn match treeCWD #^/.*$#
-
- if g:NERDChristmasTree
- hi def link treePart Special
- hi def link treePartFile Type
- hi def link treeFile Macro
- hi def link treeDirSlash Identifier
- hi def link treeClosable Type
- else
- hi def link treePart Normal
- hi def link treePartFile Normal
- hi def link treeFile Normal
- hi def link treeClosable Title
- endif
-
- hi def link treeHelp String
- hi def link treeHelpKey Identifier
- hi def link treeHelpTitle Macro
- hi def link treeToggleOn Question
- hi def link treeToggleOff WarningMsg
-
- hi def link treeDir Directory
- hi def link treeUp Directory
- hi def link treeCWD Statement
- hi def link treeLink Title
- hi def link treeOpenable Title
- hi def link treeFlag ignore
- hi def link treeRO WarningMsg
-
- hi def link NERDTreeCurrentNode Search
-endfunction
-
-"FUNCTION: s:ShouldSplitToOpen() {{{2
-"Returns 1 if opening a file from the tree in the given window requires it to
-"be split
-"
-"Args:
-"winnumber: the number of the window in question
-function! s:ShouldSplitToOpen(winnumber)
- if &hidden
- return 0
- endif
- let oldwinnr = winnr()
-
- exec a:winnumber . "wincmd p"
- let modified = &modified
- exec oldwinnr . "wincmd p"
-
- return winnr("$") == 1 || (modified && s:BufInWindows(winbufnr(a:winnumber)) < 2)
-endfunction
-
-"FUNCTION: s:StripMarkupFromLine(line){{{2
-"returns the given line with all the tree parts stripped off
-"
-"Args:
-"line: the subject line
-"removeLeadingSpaces: 1 if leading spaces are to be removed (leading spaces =
-"any spaces before the actual text of the node)
-function! s:StripMarkupFromLine(line, removeLeadingSpaces)
- let line = a:line
- "remove the tree parts and the leading space
- let line = substitute (line,"^" . s:tree_markup_reg . "*","","")
-
- "strip off any read only flag
- let line = substitute (line, s:tree_RO_str_reg, "","")
-
- let wasdir = 0
- if line =~ '/$'
- let wasdir = 1
- endif
- let line = substitute (line,' -> .*',"","") " remove link to
- if wasdir == 1
- let line = substitute (line, '/\?$', '/', "")
- endif
-
- if a:removeLeadingSpaces
- let line = substitute (line, '^ *', '', '')
- endif
-
- return line
-endfunction
-
-"FUNCTION: s:Toggle(dir) {{{2
-"Toggles the NERD tree. I.e the NERD tree is open, it is closed, if it is
-"closed it is restored or initialized (if it doesnt exist)
-"
-"Args:
-"dir: the full path for the root node (is only used if the NERD tree is being
-"initialized.
-function! s:Toggle(dir)
- if s:TreeExistsForTab()
- if !s:IsTreeOpen()
- call s:CreateTreeWin()
- call s:RenderView()
-
- call s:RestoreScreenState()
- else
- call s:CloseTree()
- endif
- else
- call s:InitNerdTree(a:dir)
- endif
-endfunction
-"SECTION: Interface bindings {{{1
-"============================================================
-"FUNCTION: s:ActivateNode() {{{2
-"If the current node is a file, open it in the previous window (or a new one
-"if the previous is modified). If it is a directory then it is opened.
-function! s:ActivateNode()
- if getline(".") == s:tree_up_dir_line
- return s:UpDir(0)
- endif
- let treenode = s:GetSelectedNode()
- if treenode == {}
- call s:EchoWarning("cannot open selected entry")
- return
- endif
-
- if treenode.path.isDirectory
- call treenode.ToggleOpen()
- call s:RenderView()
- call s:PutCursorOnNode(treenode, 0)
- else
- call s:OpenFileNode(treenode)
- endif
-endfunction
-
-"FUNCTION: s:BindMappings() {{{2
-function! s:BindMappings()
- " set up mappings and commands for this buffer
- nnoremap <silent> <buffer> <middlerelease> :call <SID>HandleMiddleMouse()<cr>
- nnoremap <silent> <buffer> <leftrelease> <leftrelease>:call <SID>CheckForActivate()<cr>
- nnoremap <silent> <buffer> <2-leftmouse> :call <SID>ActivateNode()<cr>
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapActivateNode . " :call <SID>ActivateNode()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenSplit ." :call <SID>OpenEntrySplit()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapPreview ." :call <SID>PreviewNode(0)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapPreviewSplit ." :call <SID>PreviewNode(1)<cr>"
-
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapExecute ." :call <SID>ExecuteNode()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenRecursively ." :call <SID>OpenNodeRecursively()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapUpdirKeepOpen ." :call <SID>UpDir(1)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapUpdir ." :call <SID>UpDir(0)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapChangeRoot ." :call <SID>ChRoot()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapChdir ." :call <SID>ChCwd()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapQuit ." :NERDTreeToggle<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapRefreshRoot ." :call <SID>RefreshRoot()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapRefresh ." :call <SID>RefreshCurrent()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapHelp ." :call <SID>DisplayHelp()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleHidden ." :call <SID>ToggleShowHidden()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleFilters ." :call <SID>ToggleIgnoreFilter()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapToggleFiles ." :call <SID>ToggleShowFiles()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapCloseDir ." :call <SID>CloseCurrentDir()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapCloseChildren ." :call <SID>CloseChildren()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapFilesystemMenu ." :call <SID>ShowFileSystemMenu()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpParent ." :call <SID>JumpToParent()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpNextSibling ." :call <SID>JumpToSibling(1)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpPrevSibling ." :call <SID>JumpToSibling(0)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpFirstChild ." :call <SID>JumpToFirstChild()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpLastChild ." :call <SID>JumpToLastChild()<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapJumpRoot ." :call <SID>JumpToRoot()<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTab ." :call <SID>OpenNodeNewTab(0)<cr>"
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenInTabSilent ." :call <SID>OpenNodeNewTab(1)<cr>"
-
- exec "nnoremap <silent> <buffer> ". g:NERDTreeMapOpenExpl ." :call <SID>OpenExplorer()<cr>"
-
-
-endfunction
-
-"FUNCTION: s:CheckForActivate() {{{2
-"Checks if the click should open the current node, if so then activate() is
-"called (directories are automatically opened if the symbol beside them is
-"clicked)
-function! s:CheckForActivate()
- let currentNode = s:GetSelectedNode()
- if currentNode != {}
- let startToCur = strpart(getline(line(".")), 0, col("."))
- let char = strpart(startToCur, strlen(startToCur)-1, 1)
-
- "if they clicked a dir, check if they clicked on the + or ~ sign
- "beside it
- if currentNode.path.isDirectory
- let reg = '^' . s:tree_markup_reg .'*[' . s:tree_dir_open . s:tree_dir_closed . ']$'
- if startToCur =~ reg
- call s:ActivateNode()
- return
- endif
- endif
-
- if (g:NERDTreeMouseMode == 2 && currentNode.path.isDirectory) || g:NERDTreeMouseMode == 3
- if char !~ s:tree_markup_reg && startToCur !~ '\/$'
- call s:ActivateNode()
- return
- endif
- endif
- endif
-endfunction
-
-" FUNCTION: s:ChCwd() {{{2
-function! s:ChCwd()
- let treenode = s:GetSelectedNode()
- if treenode == {}
- call s:Echo("Select a node first")
- return
- endif
-
- try
- call treenode.path.ChangeToDir()
- catch /^NERDTree.Path.Change/
- call s:EchoWarning("could not change cwd")
- endtry
-endfunction
-
-" FUNCTION: s:ChRoot() {{{2
-" changes the current root to the selected one
-function! s:ChRoot()
- let treenode = s:GetSelectedNode()
- if treenode == {} || treenode.path.isDirectory == 0
- call s:Echo("Select a directory node first")
- return
- endif
-
- if treenode.isOpen == 0
- call treenode.Open()
- endif
-
- let t:NERDTreeRoot = treenode
-
- "change dir to the dir of the new root if instructed to
- if g:NERDTreeChDirMode == 2
- exec "cd " . treenode.path.StrForEditCmd()
- endif
-
-
- call s:RenderView()
- call s:PutCursorOnNode(t:NERDTreeRoot, 0)
-endfunction
-
-" FUNCTION: s:CloseChildren() {{{2
-" closes all childnodes of the current node
-function! s:CloseChildren()
- let currentNode = s:GetSelectedDir()
- if currentNode == {}
- call s:Echo("Select a node first")
- return
- endif
-
- call currentNode.CloseChildren()
- call s:RenderView()
- call s:PutCursorOnNode(currentNode, 0)
-endfunction
-" FUNCTION: s:CloseCurrentDir() {{{2
-" closes the parent dir of the current node
-function! s:CloseCurrentDir()
- let treenode = s:GetSelectedNode()
- if treenode == {}
- call s:Echo("Select a node first")
- return
- endif
-
- let parent = treenode.parent
- if parent.IsRoot()
- call s:Echo("cannot close tree root")
- else
- call treenode.parent.Close()
- call s:RenderView()
- call s:PutCursorOnNode(treenode.parent, 0)
- endif
-endfunction
-
-" FUNCTION: s:DeleteNode() {{{2
-" if the current node is a file, pops up a dialog giving the user the option
-" to delete it
-function! s:DeleteNode()
- let currentNode = s:GetSelectedNode()
- if currentNode == {}
- call s:Echo("Put the cursor on a file node first")
- return
- endif
-
- let confirmed = 0
-
- if currentNode.path.isDirectory
- let choice =input("Delete the current node\n" .
- \ "==========================================================\n" .
- \ "STOP! To delete this entire directory, type 'yes'\n" .
- \ "" . currentNode.path.StrForOS(0) . ": ")
- let confirmed = choice == 'yes'
- else
- echo "Delete the current node\n" .
- \ "==========================================================\n".
- \ "Are you sure you wish to delete the node:\n" .
- \ "" . currentNode.path.StrForOS(0) . " (yN):"
- let choice = nr2char(getchar())
- let confirmed = choice == 'y'
- endif
-
-
- if confirmed
- try
- call currentNode.Delete()
- call s:RenderView()
-
- "if the node is open in a buffer, ask the user if they want to
- "close that buffer
- let bufnum = bufnr(currentNode.path.Str(0))
- if buflisted(bufnum)
- let prompt = "\nNode deleted.\n\nThe file is open in buffer ". bufnum . (bufwinnr(bufnum) == -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
- call s:PromptToDelBuffer(bufnum, prompt)
- endif
-
- redraw
- catch /^NERDTree/
- call s:EchoWarning("Could not remove node")
- endtry
- else
- call s:Echo("delete aborted" )
- endif
-
-endfunction
-
-" FUNCTION: s:DisplayHelp() {{{2
-" toggles the help display
-function! s:DisplayHelp()
- let t:treeShowHelp = t:treeShowHelp ? 0 : 1
- call s:RenderView()
- call s:CenterView()
-endfunction
-
-" FUNCTION: s:ExecuteNode() {{{2
-function! s:ExecuteNode()
- let treenode = s:GetSelectedNode()
- if treenode == {} || treenode.path.isDirectory
- call s:Echo("Select an executable file node first" )
- else
- echo "NERDTree executor\n" .
- \ "==========================================================\n".
- \ "Complete the command to execute (add arguments etc): \n\n"
- let cmd = treenode.path.StrForOS(1)
- let cmd = input(':!', cmd . ' ')
-
- if cmd != ''
- exec ':!' . cmd
- else
- call s:Echo("command aborted")
- endif
- endif
-endfunction
-
-" FUNCTION: s:HandleMiddleMouse() {{{2
-function! s:HandleMiddleMouse()
- let curNode = s:GetSelectedNode()
- if curNode == {}
- call s:Echo("Put the cursor on a node first" )
- return
- endif
-
- if curNode.path.isDirectory
- call s:OpenExplorer()
- else
- call s:OpenEntrySplit()
- endif
-endfunction
-
-
-" FUNCTION: s:InsertNewNode() {{{2
-" Adds a new node to the filesystem and then into the tree
-function! s:InsertNewNode()
- let curDirNode = s:GetSelectedDir()
- if curDirNode == {}
- call s:Echo("Put the cursor on a node first" )
- return
- endif
-
- let newNodeName = input("Add a childnode\n".
- \ "==========================================================\n".
- \ "Enter the dir/file name to be created. Dirs end with a '/'\n" .
- \ "", curDirNode.path.Str(0))
-
- if newNodeName == ''
- call s:Echo("Node Creation Aborted.")
- return
- endif
-
- try
- let newPath = s:oPath.Create(newNodeName)
-
- let parentNode = t:NERDTreeRoot.FindNode(newPath.GetPathTrunk())
-
- let newTreeNode = s:oTreeFileNode.New(newPath)
- if parentNode.isOpen || !empty(parentNode.children)
- call parentNode.AddChild(newTreeNode, 1)
- call s:RenderView()
- call s:PutCursorOnNode(newTreeNode, 1)
- endif
- catch /^NERDTree/
- call s:EchoWarning("Node Not Created.")
- endtry
-endfunction
-
-" FUNCTION: s:JumpToFirstChild() {{{2
-" wrapper for the jump to child method
-function! s:JumpToFirstChild()
- call s:JumpToChild(0)
-endfunction
-
-" FUNCTION: s:JumpToLastChild() {{{2
-" wrapper for the jump to child method
-function! s:JumpToLastChild()
- call s:JumpToChild(1)
-endfunction
-
-" FUNCTION: s:JumpToParent() {{{2
-" moves the cursor to the parent of the current node
-function! s:JumpToParent()
- let currentNode = s:GetSelectedNode()
- if !empty(currentNode)
- if !empty(currentNode.parent)
- call s:PutCursorOnNode(currentNode.parent, 1)
- call s:CenterView()
- else
- call s:Echo("cannot jump to parent")
- endif
- else
- call s:Echo("put the cursor on a node first")
- endif
-endfunction
-
-" FUNCTION: s:JumpToRoot() {{{2
-" moves the cursor to the root node
-function! s:JumpToRoot()
- call s:PutCursorOnNode(t:NERDTreeRoot, 1)
- call s:CenterView()
-endfunction
-
-" FUNCTION: s:JumpToSibling() {{{2
-" moves the cursor to the sibling of the current node in the given direction
-"
-" Args:
-" forward: 1 if the cursor should move to the next sibling, 0 if it should
-" move back to the previous sibling
-function! s:JumpToSibling(forward)
- let currentNode = s:GetSelectedNode()
- if !empty(currentNode)
-
- if !currentNode.path.isDirectory
-
- if a:forward
- let sibling = currentNode.parent.FindSibling(1)
- else
- let sibling = currentNode.parent
- endif
-
- else
- let sibling = currentNode.FindSibling(a:forward)
- endif
-
- if !empty(sibling)
- call s:PutCursorOnNode(sibling, 1)
- call s:CenterView()
- endif
- else
- call s:Echo("put the cursor on a node first")
- endif
-endfunction
-
-" FUNCTION: s:OpenEntrySplit() {{{2
-" Opens the currently selected file from the explorer in a
-" new window
-function! s:OpenEntrySplit()
- let treenode = s:GetSelectedNode()
- if treenode != {}
- call s:OpenFileNodeSplit(treenode)
- else
- call s:Echo("select a node first")
- endif
-endfunction
-
-" FUNCTION: s:OpenExplorer() {{{2
-function! s:OpenExplorer()
- let treenode = s:GetSelectedDir()
- if treenode != {}
- let oldwin = winnr()
- wincmd p
- if oldwin == winnr() || (&modified && s:BufInWindows(winbufnr(winnr())) < 2)
- wincmd p
- call s:OpenDirNodeSplit(treenode)
- else
- exec ("silent edit " . treenode.path.StrForEditCmd())
- endif
- else
- call s:Echo("select a node first")
- endif
-endfunction
-
-" FUNCTION: s:OpenNodeNewTab(stayCurrentTab) {{{2
-" Opens the currently selected file from the explorer in a
-" new tab
-"
-" Args:
-" stayCurrentTab: if 1 then vim will stay in the current tab, if 0 then vim
-" will go to the tab where the new file is opened
-function! s:OpenNodeNewTab(stayCurrentTab)
- let treenode = s:GetSelectedNode()
- if treenode != {}
- let curTabNr = tabpagenr()
- exec "tabedit " . treenode.path.StrForEditCmd()
- if a:stayCurrentTab
- exec "tabnext " . curTabNr
- endif
- else
- call s:Echo("select a node first")
- endif
-endfunction
-
-
-" FUNCTION: s:OpenNodeRecursively() {{{2
-function! s:OpenNodeRecursively()
- let treenode = s:GetSelectedNode()
- if treenode == {} || treenode.path.isDirectory == 0
- call s:Echo("Select a directory node first" )
- else
- call s:Echo("Recursively opening node. Please wait...")
- call treenode.OpenRecursively()
- call s:RenderView()
- redraw
- call s:Echo("Recursively opening node. Please wait... DONE")
- endif
-
-endfunction
-
-"FUNCTION: s:PreviewNode() {{{2
-function! s:PreviewNode(openNewWin)
- let treenode = s:GetSelectedNode()
- if treenode == {} || treenode.path.isDirectory
- call s:Echo("Select a file node first" )
- return
- endif
-
- if a:openNewWin
- call s:OpenEntrySplit()
- else
- call s:ActivateNode()
- end
- call s:PutCursorInTreeWin()
-endfunction
-
-" FUNCTION: s:RefreshRoot() {{{2
-" Reloads the current root. All nodes below this will be lost and the root dir
-" will be reloaded.
-function! s:RefreshRoot()
- call s:Echo("Refreshing the root node. This could take a while...")
- call t:NERDTreeRoot.Refresh()
- call s:RenderView()
- redraw
- call s:Echo("Refreshing the root node. This could take a while... DONE")
-endfunction
-
-" FUNCTION: s:RefreshCurrent() {{{2
-" refreshes the root for the current node
-function! s:RefreshCurrent()
- let treenode = s:GetSelectedDir()
- if treenode == {}
- call s:Echo("Refresh failed. Select a node first")
- return
- endif
-
- call s:Echo("Refreshing node. This could take a while...")
- call treenode.Refresh()
- call s:RenderView()
- redraw
- call s:Echo("Refreshing node. This could take a while... DONE")
-endfunction
-" FUNCTION: s:RenameCurrent() {{{2
-" allows the user to rename the current node
-function! s:RenameCurrent()
- let curNode = s:GetSelectedNode()
- if curNode == {}
- call s:Echo("Put the cursor on a node first" )
- return
- endif
-
- let newNodePath = input("Rename the current node\n" .
- \ "==========================================================\n" .
- \ "Enter the new path for the node: \n" .
- \ "", curNode.path.Str(0))
-
- if newNodePath == ''
- call s:Echo("Node Renaming Aborted.")
- return
- endif
-
- let newNodePath = substitute(newNodePath, '\/$', '', '')
-
- try
- let bufnum = bufnr(curNode.path.Str(0))
-
- call curNode.Rename(newNodePath)
- call s:RenderView()
-
- "if the node is open in a buffer, ask the user if they want to
- "close that buffer
- if bufnum != -1
- let prompt = "|\n|Node renamed.\n|\n|The old file is open in buffer ". bufnum . (bufwinnr(bufnum) == -1 ? " (hidden)" : "") .". Delete this buffer? (yN)"
- call s:PromptToDelBuffer(bufnum, prompt)
- endif
-
- call s:PutCursorOnNode(curNode, 1)
-
- redraw
- catch /^NERDTree/
- call s:EchoWarning("Node Not Renamed.")
- endtry
-endfunction
-
-" FUNCTION: s:ShowFileSystemMenu() {{{2
-function! s:ShowFileSystemMenu()
- let curNode = s:GetSelectedNode()
- if curNode == {}
- call s:Echo("Put the cursor on a node first" )
- return
- endif
-
-
- echo "NERDTree Filesystem Menu\n" .
- \ "==========================================================\n".
- \ "Select the desired operation: \n" .
- \ " (1) - Add a childnode\n".
- \ " (2) - Rename the current node\n".
- \ " (3) - Delete the current node\n\n"
-
- let choice = nr2char(getchar())
-
- if choice == 1
- call s:InsertNewNode()
- elseif choice == 2
- call s:RenameCurrent()
- elseif choice == 3
- call s:DeleteNode()
- endif
-endfunction
-
-" FUNCTION: s:ToggleIgnoreFilter() {{{2
-" toggles the use of the NERDTreeIgnore option
-function! s:ToggleIgnoreFilter()
- let t:NERDTreeIgnoreEnabled = !t:NERDTreeIgnoreEnabled
- call s:RenderViewSavingPosition()
- call s:CenterView()
-endfunction
-
-" FUNCTION: s:ToggleShowFiles() {{{2
-" toggles the display of hidden files
-function! s:ToggleShowFiles()
- let g:NERDTreeShowFiles = !g:NERDTreeShowFiles
- call s:RenderViewSavingPosition()
- call s:CenterView()
-endfunction
-
-" FUNCTION: s:ToggleShowHidden() {{{2
-" toggles the display of hidden files
-function! s:ToggleShowHidden()
- let g:NERDTreeShowHidden = !g:NERDTreeShowHidden
- call s:RenderViewSavingPosition()
- call s:CenterView()
-endfunction
-
-"FUNCTION: s:UpDir(keepState) {{{2
-"moves the tree up a level
-"
-"Args:
-"keepState: 1 if the current root should be left open when the tree is
-"re-rendered
-function! s:UpDir(keepState)
- let cwd = t:NERDTreeRoot.path.Str(0)
- if cwd == "/" || cwd =~ '^[^/]..$'
- call s:Echo("already at top dir")
- else
- if !a:keepState
- call t:NERDTreeRoot.Close()
- endif
-
- let oldRoot = t:NERDTreeRoot
-
- if empty(t:NERDTreeRoot.parent)
- let path = t:NERDTreeRoot.path.GetPathTrunk()
- let newRoot = s:oTreeDirNode.New(path)
- call newRoot.Open()
- call newRoot.TransplantChild(t:NERDTreeRoot)
- let t:NERDTreeRoot = newRoot
- else
- let t:NERDTreeRoot = t:NERDTreeRoot.parent
-
- endif
-
- call s:RenderView()
- call s:PutCursorOnNode(oldRoot, 0)
- endif
-endfunction
-
-
-" SECTION: Doc installation call {{{1
-silent call s:InstallDocumentation(expand('<sfile>:p'), s:NERD_tree_version)
-"============================================================
-finish
-" SECTION: The help file {{{1
-"=============================================================================
-" Title {{{2
-" ============================================================================
-=== START_DOC
-*NERD_tree.txt* A tree explorer plugin that owns your momma! #version#
-
-
-
-
-
- ________ ________ _ ____________ ____ __________ ____________~
- /_ __/ / / / ____/ / | / / ____/ __ \/ __ \ /_ __/ __ \/ ____/ ____/~
- / / / /_/ / __/ / |/ / __/ / /_/ / / / / / / / /_/ / __/ / __/ ~
- / / / __ / /___ / /| / /___/ _, _/ /_/ / / / / _, _/ /___/ /___ ~
- /_/ /_/ /_/_____/ /_/ |_/_____/_/ |_/_____/ /_/ /_/ |_/_____/_____/ ~
-
-
- Reference Manual~
-
-
-
-
-==============================================================================
-CONTENTS {{{2 *NERDTree-contents*
-
- 1.Intro...................................|NERDTree|
- 2.Functionality provided..................|NERDTreeFunctionality|
- 2.1 Commands..........................|NERDTreeCommands|
- 2.2 NERD tree mappings................|NERDTreeMappings|
- 2.3 The filesystem menu...............|NERDTreeFilesysMenu|
- 3.Options.................................|NERDTreeOptions|
- 3.1 Option summary....................|NERDTreeOptionSummary|
- 3.2 Option details....................|NERDTreeOptionDetails|
- 4.Public functions........................|NERDTreePublicFunctions|
- 5.TODO list...............................|NERDTreeTodo|
- 6.The Author..............................|NERDTreeAuthor|
- 7.Changelog...............................|NERDTreeChangelog|
- 8.Credits.................................|NERDTreeCredits|
-
-==============================================================================
-1. Intro {{{2 *NERDTree*
-
-What is this "NERD tree"??
-
-The NERD tree allows you to explore your filesystem and to open files and
-directories. It presents the filesystem to you in the form of a tree which you
-manipulate with the keyboard and/or mouse. It also allows you to perform
-simple filesystem operations so you can alter the tree dynamically.
-
-The following features and functionality are provided by the NERD tree:
- * Files and directories are displayed in a hierarchical tree structure
- * Different highlighting is provided for the following types of nodes:
- * files
- * directories
- * sym-links
- * windows .lnk files
- * read-only files
- * Many (customisable) mappings are provided to manipulate the tree:
- * Mappings to open/close/explore directory nodes
- * Mappings to open files in new/existing windows/tabs
- * Mappings to change the current root of the tree
- * Mappings to navigate around the tree
- * ...
- * Most NERD tree navigation can also be done with the mouse
- * Dynamic customisation of tree content
- * custom file filters to prevent e.g. vim backup files being displayed
- * optional displaying of hidden files (. files)
- * files can be "turned off" so that only directories are displayed
- * A textual filesystem menu is provided which allows you to
- create/delete/rename file and directory nodes
- * The position and size of the NERD tree window can be customised
- * The order in which the nodes in the tree are listed can be customised.
- * A model of your filesystem is created/maintained as you explore it. This
- has several advantages:
- * All filesystem information is cached and is only re-read on demand
- * If you revisit a part of the tree that you left earlier in your
- session, the directory nodes will be opened/closed as you left them
- * The script remembers the cursor position and window position in the NERD
- tree so you can toggle it off (or just close the tree window) and then
- reopen it (with NERDTreeToggle) the NERD tree window will appear EXACTLY
- as you left it
- * You can have a separate NERD tree for each tab
-
-==============================================================================
-2. Functionality provided {{{2 *NERDTreeFunctionality*
-
-------------------------------------------------------------------------------
-2.1. Commands {{{3 *NERDTreeCommands*
-
-:NERDTree [start-directory] *:NERDTree*
- Opens a fresh NERD tree in [start-directory] or the current
- directory if [start-directory] isn't specified.
- For example: >
- :NERDTree /home/marty/vim7/src
-< will open a NERD tree in /home/marty/vim7/src.
-
-:NERDTreeToggle [start-directory] *:NERDTreeToggle*
- If a NERD tree already exists for this tab, it is reopened and
- rendered again. If no NERD tree exists for this tab then this
- command acts the same as the |:NERDTree| command.
-
-------------------------------------------------------------------------------
-2.2. NERD tree Mappings {{{3 *NERDTreeMappings*
-
-Default Description~ help-tag~
-Key~
-
-o.......Open selected file, or expand selected dir...............|NERDTree-o|
-go......Open selected file, but leave cursor in the NERDTree.....|NERDTree-go|
-t.......Open selected node in a new tab..........................|NERDTree-t|
-T.......Same as 't' but keep the focus on the current tab........|NERDTree-T|
-<tab>...Open selected file in a split window.....................|NERDTree-tab|
-g<tab>..Same as <tab>, but leave the cursor on the NERDTree......|NERDTree-gtab|
-!.......Execute the current file.................................|NERDTree-!|
-O.......Recursively open the selected directory..................|NERDTree-O|
-x.......Close the current nodes parent...........................|NERDTree-x|
-X.......Recursively close all children of the current node.......|NERDTree-X|
-e.......Open a netrw for the current dir.........................|NERDTree-e|
-
-double-click.......same as the |NERDTree-o| map.
-middle-click.......same as |NERDTree-tab| for files, same as
- |NERDTree-e| for dirs.
-
-P.......Jump to the root node....................................|NERDTree-P|
-p.......Jump to current nodes parent.............................|NERDTree-p|
-K.......Jump up inside directories at the current tree depth.....|NERDTree-K|
-J.......Jump down inside directories at the current tree depth...|NERDTree-J|
-<C-j>...Jump down to the next sibling of the current directory...|NERDTree-c-j|
-<C-k>...Jump up to the previous sibling of the current directory.|NERDTree-c-k|
-
-C.......Change the tree root to the selected dir.................|NERDTree-C|
-u.......Move the tree root up one directory......................|NERDTree-u|
-U.......Same as 'u' except the old root node is left open........|NERDTree-U|
-r.......Recursively refresh the current directory................|NERDTree-r|
-R.......Recursively refresh the current root.....................|NERDTree-R|
-m.......Display the filesystem menu..............................|NERDTree-m|
-cd......Change the CWD to the dir of the selected node...........|NERDTree-cd|
-
-H.......Toggle whether hidden files displayed....................|NERDTree-H|
-f.......Toggle whether the file filters are used.................|NERDTree-f|
-F.......Toggle whether files are displayed.......................|NERDTree-F|
-
-q.......Close the NERDTree window................................|NERDTree-q|
-?.......Toggle the display of the quick help.....................|NERDTree-?|
-
-------------------------------------------------------------------------------
- *NERDTree-o*
-Default key: o
-Map option: NERDTreeMapActivateNode
-Applies to: files and directories.
-
-If a file node is selected, it is opened in the previous window. If a
-directory is selected it is opened or closed depending on its current state.
-
-------------------------------------------------------------------------------
- *NERDTree-go*
-Default key: go
-Map option: None
-Applies to: files.
-
-If a file node is selected, it is opened in the previous window, but the
-cursor does not move.
-
-The key combo for this mapping is always "g" + NERDTreeMapActivateNode (see
-|NERDTree-o|).
-
-------------------------------------------------------------------------------
- *NERDTree-t*
-Default key: t
-Map option: NERDTreeMapOpenInTab
-Applies to: files and directories.
-
-Opens the selected file in a new tab. If a directory is selected, a netrw is
-opened in a new tab.
-
-------------------------------------------------------------------------------
- *NERDTree-T*
-Default key: T
-Map option: NERDTreeMapOpenInTabSilent
-Applies to: files and directories.
-
-The same as |NERDTree-t| except that the focus is kept in the current tab.
-
-------------------------------------------------------------------------------
- *NERDTree-tab*
-Default key: <tab>
-Map option: NERDTreeMapOpenSplit
-Applies to: files.
-
-Opens the selected file in a new split window and puts the cursor in the new
-window.
-
-------------------------------------------------------------------------------
- *NERDTree-gtab*
-Default key: g<tab>
-Map option: None
-Applies to: files.
-
-The same as |NERDTree-tab| except that the cursor is not moved.
-
-The key combo for this mapping is always "g" + NERDTreeMapOpenSplit (see
-|NERDTree-tab|).
-
-------------------------------------------------------------------------------
- *NERDTree-!*
-Default key: !
-Map option: NERDTreeMapExecute
-Applies to: files.
-
-Executes the selected file, prompting for arguments first.
-
-------------------------------------------------------------------------------
- *NERDTree-O*
-Default key: O
-Map option: NERDTreeMapOpenRecursively
-Applies to: directories.
-
-Recursively opens the selelected directory.
-
-All files and directories are cached, but if a directory would not be
-displayed due to file filters (see |NERDTreeIgnore| |NERDTree-f|) or the
-hidden file filter (see |NERDTreeShowHidden|) then it is not opened. This is
-handy, especially if you have .svn directories.
-
-
-------------------------------------------------------------------------------
- *NERDTree-x*
-Default key: x
-Map option: NERDTreeMapCloseDir
-Applies to: files and directories.
-
-Closes the parent of the selected node.
-
-------------------------------------------------------------------------------
- *NERDTree-X*
-Default key: X
-Map option: NERDTreeMapCloseChildren
-Applies to: directories.
-
-Recursively closes all children of the selected directory.
-
-Tip: To quickly "reset" the tree, use |NERDTree-P| with this mapping.
-
-------------------------------------------------------------------------------
- *NERDTree-e*
-Default key: e
-Map option: NERDTreeMapOpenExpl
-Applies to: files and directories.
-
-Opens a netrw on the selected directory, or the selected file's directory.
-
-------------------------------------------------------------------------------
- *NERDTree-P*
-Default key: P
-Map option: NERDTreeMapJumpRoot
-Applies to: no restrictions.
-
-Jump to the tree root.
-
-------------------------------------------------------------------------------
- *NERDTree-p*
-Default key: p
-Map option: NERDTreeMapJumpParent
-Applies to: files and directories.
-
-Jump to the parent node of the selected node.
-
-------------------------------------------------------------------------------
- *NERDTree-K*
-Default key: K
-Map option: NERDTreeMapJumpFirstChild
-Applies to: files and directories.
-
-Jump to the first child of the current nodes parent.
-
-If the cursor is already on the first node then do the following:
- * loop back thru the siblings of the current nodes parent until we find an
- open dir with children
- * go to the first child of that node
-
-------------------------------------------------------------------------------
- *NERDTree-J*
-Default key: J
-Map option: NERDTreeMapJumpLastChild
-Applies to: files and directories.
-
-Jump to the last child of the current nodes parent.
-
-If the cursor is already on the last node then do the following:
- * loop forward thru the siblings of the current nodes parent until we find
- an open dir with children
- * go to the last child of that node
-
-------------------------------------------------------------------------------
- *NERDTree-c-j*
-Default key: <C-j>
-Map option: NERDTreeMapJumpNextSibling
-Applies to: files and directories.
-
-If a dir node is selected, jump to the next sibling of that node.
-If a file node is selected, jump to the next sibling of that nodes parent.
-
-------------------------------------------------------------------------------
- *NERDTree-c-k*
-Default key: <C-k>
-Map option: NERDTreeMapJumpPrevSibling
-Applies to: files and directories.
-
-If a dir node is selected, jump to the previous sibling of that node.
-If a file node is selected, jump to the previous sibling of that nodes parent.
-
-------------------------------------------------------------------------------
- *NERDTree-C*
-Default key: C
-Map option: NERDTreeMapChdir
-Applies to: directories.
-
-Made the selected directory node the new tree root.
-
-------------------------------------------------------------------------------
- *NERDTree-u*
-Default key: u
-Map option: NERDTreeMapUpdir
-Applies to: no restrictions.
-
-Move the tree root up a dir (like doing a "cd ..").
-
-------------------------------------------------------------------------------
- *NERDTree-U*
-Default key: U
-Map option: NERDTreeMapUpdirKeepOpen
-Applies to: no restrictions.
-
-Like |NERDTree-u| except that the old tree root is kept open.
-
-------------------------------------------------------------------------------
- *NERDTree-r*
-Default key: r
-Map option: NERDTreeMapRefresh
-Applies to: files and directories.
-
-If a dir is selected, recursively refresh that dir, i.e. scan the filesystem
-for changes and represent them in the tree.
-
-If a file node is selected then the above is done on it's parent.
-
-------------------------------------------------------------------------------
- *NERDTree-R*
-Default key: R
-Map option: NERDTreeMapRefreshRoot
-Applies to: no restrictions.
-
-Recursively refresh the tree root.
-
-------------------------------------------------------------------------------
- *NERDTree-m*
-Default key: m
-Map option: NERDTreeMapFilesystemMenu
-Applies to: files and directories.
-
-Display the filesystem menu. See |NERDTreeFilesysMenu| for details.
-
-------------------------------------------------------------------------------
- *NERDTree-H*
-Default key: H
-Map option: NERDTreeMapToggleHidden
-Applies to: no restrictions.
-
-Toggles whether hidden files are displayed. Hidden files are any
-file/directory that starts with a "."
-
-------------------------------------------------------------------------------
- *NERDTree-f*
-Default key: f
-Map option: NERDTreeMapToggleFilters
-Applies to: no restrictions.
-
-Toggles whether file filters are used. See |NERDTreeIgnore| for details.
-
-------------------------------------------------------------------------------
- *NERDTree-F*
-Default key: F
-Map option: NERDTreeMapToggleFiles
-Applies to: no restrictions.
-
-Toggles whether file nodes are displayed.
-
-------------------------------------------------------------------------------
- *NERDTree-q*
-Default key: q
-Map option: NERDTreeMapQuit
-Applies to: no restrictions.
-
-Closes the NERDtree window.
-
-------------------------------------------------------------------------------
- *NERDTree-?*
-Default key: ?
-Map option: NERDTreeMapHelp
-Applies to: no restrictions.
-
-Toggles whether the quickhelp is displayed.
-
-------------------------------------------------------------------------------
-2.3. The filesystem menu {{{3 *NERDTreeFilesysMenu*
-
-The purpose of the filesystem menu is to allow you to perform basic filesystem
-operations quickly from the NERD tree rather than the console.
-
-The filesystem menu can be accessed with 'm' mapping and has three supported
-operations: >
- 1. Adding nodes.
- 2. Renaming nodes.
- 3. Deleting nodes.
-<
-1. Adding nodes:
-To add a node move the cursor onto (or anywhere inside) the directory you wish
-to create the new node inside. Select the 'add node' option from the
-filesystem menu and type a filename. If the filename you type ends with a '/'
-character then a directory will be created. Once the operation is completed,
-the cursor is placed on the new node.
-
-2. Renaming nodes:
-To rename a node, put the cursor on it and select the 'rename' option from the
-filesystem menu. Enter the new name for the node and it will be renamed. If
-the old file is open in a buffer, you will be asked if you wish to delete that
-buffer. Once the operation is complete the cursor will be placed on the
-renamed node.
-
-3. Deleting nodes:
-To delete a node put the cursor on it and select the 'delete' option from the
-filesystem menu. After confirmation the node will be deleted. If a file is
-deleted but still exists as a buffer you will be given the option to delete
-that buffer.
-
-==============================================================================
-3. Customisation {{{2 *NERDTreeOptions*
-
-
-------------------------------------------------------------------------------
-3.1. Customisation summary {{{3 *NERDTreeOptionSummary*
-
-The script provides the following options that can customise the behaviour the
-NERD tree. These options should be set in your vimrc.
-
-|loaded_nerd_tree| Turns off the script.
-
-|NERDChristmasTree| Tells the NERD tree to make itself colourful
- and pretty.
-
-|NERDTreeAutoCenter| Controls whether the NERD tree window centers
- when the cursor moves within a specified
- distance to the top/bottom of the window.
-|NERDTreeAutoCenterThreshold| Controls the sensitivity of autocentering.
-
-|NERDTreeCaseSensitiveSort| Tells the NERD tree whether to be case
- sensitive or not when sorting nodes.
-
-|NERDTreeChDirMode| Tells the NERD tree if/when it should change
- vim's current working directory.
-
-|NERDTreeHighlightCursorline| Tell the NERD tree whether to highlight the
- current cursor line.
-
-|NERDTreeIgnore| Tells the NERD tree which files to ignore.
-
-|NERDTreeMouseMode| Tells the NERD tree how to handle mouse
- clicks.
-
-|NERDTreeShowFiles| Tells the NERD tree whether to display files
- in the tree on startup.
-
-|NERDTreeShowHidden| Tells the NERD tree whether to display hidden
- files on startup.
-
-|NERDTreeSortOrder| Tell the NERD tree how to sort the nodes in
- the tree.
-
-|NERDTreeSplitVertical| Tells the script whether the NERD tree should
- be created by splitting the window vertically
- or horizontally.
-
-|NERDTreeWinPos| Tells the script where to put the NERD tree
- window.
-
-
-|NERDTreeWinSize| Sets the window size when the NERD tree is
- opened.
-
-------------------------------------------------------------------------------
-3.2. Customisation details {{{3 *NERDTreeOptionDetails*
-
-To enable any of the below options you should put the given line in your
-~/.vimrc
-
- *loaded_nerd_tree*
-If this plugin is making you feel homicidal, it may be a good idea to turn it
-off with this line in your vimrc: >
- let loaded_nerd_tree=1
-<
-------------------------------------------------------------------------------
- *NERDChristmasTree*
-Values: 0 or 1.
-Default: 1.
-
-If this option is set to 1 then some extra syntax highlighting elements are
-added to the nerd tree to make it more colourful.
-
-Set it to 0 for a more vanilla looking tree.
-
-------------------------------------------------------------------------------
- *NERDTreeAutoCenter*
-Values: 0 or 1.
-Default: 1
-
-If set to 1, the NERD tree window will center around the cursor if it moves to
-within |NERDTreeAutoCenterThreshold| lines of the top/bottom of the window.
-
-This is ONLY done in response to tree navigation mappings,
-i.e. |NERDTree-J| |NERDTree-K| |NERDTree-C-J| |NERDTree-c-K| |NERDTree-p|
-|NERDTree-P|
-
-The centering is done with a |zz| operation.
-
-------------------------------------------------------------------------------
- *NERDTreeAutoCenterThreshold*
-Values: Any natural number.
-Default: 3
-
-This option controls the "sensitivity" of the NERD tree auto centering. See
-|NERDTreeAutoCenter| for details.
-
-------------------------------------------------------------------------------
- *NERDTreeCaseSensitiveSort*
-Values: 0 or 1.
-Default: 0.
-
-By default the NERD tree does not sort nodes case sensitively, i.e. nodes
-could appear like this: >
- bar.c
- Baz.c
- blarg.c
- boner.c
- Foo.c
-<
-But, if you set this option to 1 then the case of the nodes will be taken into
-account. The above nodes would then be sorted like this: >
- Baz.c
- Foo.c
- bar.c
- blarg.c
- boner.c
-<
-------------------------------------------------------------------------------
- *NERDTreeChDirMode*
-
-Values: 0, 1 or 2.
-Default: 1.
-
-Use this option to tell the script when (if at all) to change the current
-working directory (CWD) for vim.
-
-If it is set to 0 then the CWD is never changed by the NERD tree.
-
-If set to 1 then the CWD is changed when the NERD tree is first loaded to the
-directory it is initialized in. For example, if you start the NERD tree with >
- :NERDTree /home/marty/foobar
-<
-then the CWD will be changed to /home/marty/foobar and will not be changed
-again unless you init another NERD tree with a similar command.
-
-If the option is set to 2 then it behaves the same as if set to 1 except that
-the CWD is changed whenever the tree root is changed. For example, if the CWD
-is /home/marty/foobar and you make the node for /home/marty/foobar/baz the new
-root then the CWD will become /home/marty/foobar/baz.
-
-Note to windows users: it is highly recommended that you have this option set
-to either 1 or 2 or else the script wont function properly if you attempt to
-open a NERD tree on a different drive to the one vim is currently in.
-
-Authors note: at work i have this option set to 1 because i have a giant ctags
-file in the root dir of my project. This way i can initialise the NERD tree
-with the root dir of my project and always have ctags available to me --- no
-matter where i go with the NERD tree.
-
-------------------------------------------------------------------------------
- *NERDTreeHighlightCursorline*
-Values: 0 or 1.
-Default: 1.
-
-If set to 1, the current cursor line in the NERD tree buffer will be
-highlighted. This is done using the |cursorline| option.
-
-------------------------------------------------------------------------------
- *NERDTreeIgnore*
-Values: a list of regular expressions.
-Default: ['\~$'].
-
-This option is used to specify which files the NERD tree should ignore. It
-must be a list of regular expressions. When the NERD tree is rendered, any
-files/dirs that match any of the regex's in NERDTreeIgnore wont be displayed.
-
-For example if you put the following line in your vimrc: >
- let NERDTreeIgnore=['\.vim$', '\~$']
-<
-then all files ending in .vim or ~ will be ignored.
-
-Note: to tell the NERD tree not to ignore any files you must use the following
-line: >
- let NERDTreeIgnore=[]
-<
-
-The file filters can be turned on and off dynamically with the |NERDTree-f|
-mapping.
-
-------------------------------------------------------------------------------
- *NERDTreeMouseMode*
-Values: 1, 2 or 3.
-Default: 1.
-
-If set to 1 then a double click on a node is required to open it.
-If set to 2 then a single click will open directory nodes, while a double
-click will still be required for file nodes.
-If set to 3 then a single click will open any node.
-
-Note: a double click anywhere on a line that a tree node is on will
-activate it, but all single-click activations must be done on name of the node
-itself. For example, if you have the following node: >
- | | |-application.rb
-<
-then (to single click activate it) you must click somewhere in
-'application.rb'.
-
-------------------------------------------------------------------------------
- *NERDTreeShowFiles*
-Values: 0 or 1.
-Default: 1.
-
-If this option is set to 1 then files are displayed in the NERD tree. If it is
-set to 0 then only directories are displayed.
-
-This option can be toggled dynamically with the |NERDTree-F| mapping and is
-useful for drastically shrinking the tree when you are navigating to a
-different part of the tree.
-
-------------------------------------------------------------------------------
- *NERDTreeShowHidden*
-Values: 0 or 1.
-Default: 0.
-
-This option tells vim whether to display hidden files by default. This option
-can be dynamically toggled with the |NERDTree-H| mapping.
-Use one of the follow lines to set this option: >
- let NERDTreeShowHidden=0
- let NERDTreeShowHidden=1
-<
-
-------------------------------------------------------------------------------
- *NERDTreeSortOrder*
-Values: a list of regular expressions.
-Default: ['\/$', '*', '\.swp$', '\.bak$', '\~$']
-
-This option is set to a list of regular expressions which are used to
-specify the order of nodes under their parent.
-
-For example, if the option is set to: >
- ['\.vim$', '\.c$', '\.h$', '*', 'foobar']
-<
-then all .vim files will be placed at the top, followed by all .c files then
-all .h files. All files containing the string 'foobar' will be placed at the
-end. The star is a special flag: it tells the script that every node that
-doesnt match any of the other regexps should be placed here.
-
-If no star is present in NERDTreeSortOrder then one is automatically appended
-to the array.
-
-The regex '\/$' should be used to match directory nodes.
-
-After this sorting is done, the files in each group are sorted alphabetically.
-
-Other examples: >
- (1) ['*', '\/$']
- (2) []
- (3) ['\/$', '\.rb$', '\.php$', '*', '\.swp$', '\.bak$', '\~$']
-<
-1. Directories will appear last, everything else will appear above.
-2. Every will simply appear in alphabetical order.
-3. Dirs will appear first, then ruby and php. Swap files, bak files and vim
- backup files will appear last with everything else preceding them.
-
-------------------------------------------------------------------------------
- *NERDTreeSplitVertical*
-Values: 0 or 1.
-Default: 1.
-
-This option, along with |NERDTreeWinPos|, is used to determine where the NERD
-tree window appears.
-
-If it is set to 1 then the NERD tree window will appear on either the left or
-right side of the screen (depending on the |NERDTreeWinPos| option).
-
-If it set to 0 then the NERD tree window will appear at the top of the screen.
-
-------------------------------------------------------------------------------
- *NERDTreeWinPos*
-Values: 0 or 1.
-Default: 1.
-
-This option works in conjunction with the |NERDTreeSplitVertical| option to
-determine where NERD tree window is placed on the screen.
-
-If the option is set to 1 then the NERD tree will appear on the left or top of
-the screen (depending on the value of |NERDTreeSplitVertical|). If set to 0,
-the window will appear on the right or bottom of the screen.
-
-This option is makes it possible to use two different explorer type
-plugins simultaneously. For example, you could have the taglist plugin on the
-left of the window and the NERD tree on the right.
-
-------------------------------------------------------------------------------
- *NERDTreeWinSize*
-Values: a positive integer.
-Default: 31.
-
-This option is used to change the size of the NERD tree when it is loaded.
-
-==============================================================================
- *NERDTreePublicFunctions*
-5. Public functions {{{2 ~
-
-The script provides 2 public functions for your hacking pleasure. Their
-signatures are: >
- function! NERDTreeGetCurrentNode()
- function! NERDTreeGetCurrentPath()
-<
-The first returns the node object that the cursor is currently on, while the
-second returns the corresponding path object.
-
-This is probably a good time to mention that the script implements prototype
-style OO. To see the functions that each class provides you can read look at
-the code.
-
-Use the node objects to manipulate the structure of the tree. Use the path
-objects to access the data the tree represents and to make changes to the
-filesystem.
-
-==============================================================================
-5. TODO list {{{2 *NERDTreeTodo*
-
-Window manager integration?
-
-==============================================================================
-6. The Author {{{2 *NERDTreeAuthor*
-
-The author of the NERD tree is a terrible terrible monster called Martyzilla
-who gobbles up small children with milk and sugar for breakfast. He has an odd
-love/hate relationship with computers (but monsters hate everything by nature
-you know...) which can be awkward for him since he is a pro computer nerd for
-a living.
-
-He can be reached at martin_grenfell at msn.com. He would love to hear from
-you, so feel free to send him suggestions and/or comments about this plugin.
-Don't be shy --- the worst he can do is slaughter you and stuff you in the
-fridge for later ;)
-
-==============================================================================
-7. Changelog {{{2 *NERDTreeChangelog*
-
-2.6.2
- - Now when you try to open a file node into a window that is modified, the
- window is not split if the &hidden option is set. Thanks to Niels Aan
- de Brugh for this suggestion.
-
-2.6.1
- - Fixed a major bug with the <tab> mapping. Thanks to Zhang Weiwu for
- emailing me.
-
-2.6.0
- - Extended the behaviour of <c-j/k>. Now if the cursor is on a file node
- and you use <c-j/k> the cursor will jump to its PARENTS next/previous
- sibling. Go :help NERDTree-c-j and :help NERDTree-c-k for info.
- - Extended the behaviour of the J/K mappings. Now if the cursor is on the
- last child of a node and you push J/K it will jump down to the last child
- of the next/prev of its parents siblings that is open and has children.
- Go :help NERDTree-J and :help NERDTree-K for info.
- - The goal of these changes is to make tree navigation faster.
- - Reorganised the help page a bit.
- - Removed the E mapping.
- - bugfixes
-
-2.5.0
- - Added an option to enforce case sensitivity when sorting tree nodes.
- Read :help NERDTreeCaseSensitiveSort for details. (thanks to Michael
- Madsen for emailing me about this). Case sensitivity defaults to off.
- - Made the script echo a "please wait" style message when opening large
- directories. Thanks to AOYAMA Shotaro for this suggestion.
- - Added 2 public functions that can be used to retrieve the treenode and
- path that the cursor is on. Read :help NERDTreePublicFunctions for
- details (thanks again to AOYAMA Shotaro for the idea :).
- - added 2 new mappings for file nodes: "g<tab>" and "go". These are the
- same as the "<tab>" and "o" maps except that the cursor stays in the
- NERDTree. Note: these maps are slaved to the o and <tab> mappings, so if
- eg you remap "<tab>" to "i" then the "g<tab>" map will also be changed
- to "gi".
- - Renamed many of the help tags to be simpler.
- - Simplified the ascii "graphics" for the filesystem menu
- - Fixed bugs.
- - Probably created bugs.
- - Refactoring.
-
-2.4.0
- - Added the P mapping to jump to the tree root.
- - Added window centering functionality that can be triggered when doing
- using any of the tree nav mappings. Essentially, if the cursor comes
- within a certain distance of the top/bottom of the window then a zz is
- done in the window. Two related options were added: NERDTreeAutoCenter
- to turn this functionality on/off, and NERDTreeAutoCenterThreshold to
- control how close the cursor has to be to the window edge to trigger the
- centering.
-
-2.3.0
- - Tree navigation changes:
- - Added J and K mappings to jump to last/first child of the current dir.
- Options to customise these mappings have also been added.
- - Remapped the jump to next/prev sibling commands to be <C-j> and <C-k> by
- default.
- These changes should hopefully make tree navigation mappings easier to
- remember and use as the j and k keys are simply reused 3 times (twice
- with modifier keys).
-
- - Made it so that, when any of the tree filters are toggled, the cursor
- stays with the selected node (or goes to its parent/grandparent/... if
- that node is no longer visible)
- - Fixed an error in the doc for the mouse mode option.
- - Made the quickhelp correctly display the current single/double click
- mappings for opening nodes as specified by the NERDTreeMouseMode option.
- - Fixed a bug where the script was spazzing after prompting you to delete
- a modified buffer when using the filesystem menu.
- - Refactoring
-2.2.3
- - Refactored the :echo output from the script.
- - Fixed some minor typos in the doc.
- - Made some minor changes to the output of the 'Tree filtering mappings'
- part of the quickhelp
-
-2.2.2
- - More bugfixes... doh.
-
-2.2.1
- - Bug fix that was causing an exception when closing the nerd tree. Thanks
- to Tim carey-smith and Yu Jun for pointing this out.
-
-2.2.0
- - Now 'cursorline' is set in the NERD tree buffer by default. See :help
- NERDTreeHighlightCursorline for how to disable it.
-
-2.1.2
- - Stopped the script from clobbering the 1,2,3 .. 9 registers.
- - Made it "silent!"ly delete buffers when renaming/deleting file nodes.
- - Minor correction to the doc
- - Fixed a bug when refreshing that was occurring when the node you
- refreshed had been deleted externally.
- - Fixed a bug that was occurring when you open a file that is already open
- and modified.
-
-2.1.1
- - Added a bit more info about the buffers you are prompted to delete when
- renaming/deleting nodes from the filesystem menu that are already loaded
- into buffers.
- - Refactoring and bugfixes
-
-2.1.0
- - Finally removed the blank line that always appears at the top of the
- NERDTree buffer
- - Added NERDTreeMouseMode option. If set to 1, then a double click is
- required to activate all nodes, if set to 2 then a single click will
- activate directory nodes, if set to 3 then a single click will activate
- all nodes.
- - Now if you delete a file node and have it open in a buffer you are given
- the option to delete that buffer as well. Similarly if you rename a file
- you are given the option to delete any buffers containing the old file
- (if any exist)
- - When you rename or create a node, the cursor is now put on the new node,
- this makes it easy immediately edit the new file.
- - Fixed a bug with the ! mapping that was occurring on windows with paths
- containing spaces.
- - Made all the mappings customisable. See |NERD_tree-mappings| for
- details. A side effect is that a lot of the "double mappings" have
- disappeared. E.g 'o' is now the key that is used to activate a node,
- <CR> is no longer mapped to the same.
- - Made the script echo warnings in some places rather than standard echos
- - Insane amounts of refactoring all over the place.
-
-2.0.0
- - Added two new NERDChristmasTree decorations. First person to spot them
- and email me gets a free copy of the NERDTree.
- - Made it so that when you jump around the tree (with the p, s and S
- mappings) it is counted as a jump by vim. This means if you, eg, push
- 'p' one too many times then you can go `` or ctrl-o.
- - Added a new option called NERDTreeSortOrder which takes an array of
- regexs and is used to determine the order that the treenodes are listed
- in. Go :help NERDTreeSortOrder for details.
- - Removed the NERDTreeSortDirs option because it is consumed by
- NERDTreeSortOrder
- - Added the 'i' mapping which is the same as <tab> but requires less
- effort to reach.
- - Added the ! mapping which is used to execute file in the tree (after it
- prompts you for arguments etc)
-
-
-==============================================================================
-8. Credits {{{2 *NERDTreeCredits*
-
-Thanks to Tim Carey-Smith for testing/using the NERD tree from the first
-pre-beta version, for his many suggestions and for his constant stream of bug
-complaints.
-
-Thanks to Vigil for trying it out before the first release :) and suggesting
-that mappings to open files in new tabs should be implemented.
-
-Thanks to Nick Brettell for testing, fixing my spelling and suggesting i put a
- .. (up a directory)
-line in the gui.
-
-Thanks to Thomas Scott Urban - the author of the vtreeexplorer plugin - whose
-gui code i borrowed from.
-
-Thanks to Terrance Cohen for pointing out a bug where the script was changing
-vims CWD all over the show.
-
-Thanks to Yegappan Lakshmanan (author of Taglist and other orgasmically
-wonderful plugins) for telling me how to fix a bug that was causing vim to go
-into visual mode everytime you double clicked a node :)
-
-Thanks to Jason Mills for sending me a fix that allows windows paths to use
-forward slashes as well as backward.
-
-Thanks to Michael Geddes (frogonwheels on #vim at freenode) for giving me some
-tips about syntax highlighting when i was doing highlighting for the
-quickhelp.
-
-Thanks to Yu Jun for emailing me about a bug that was occurring when closing
-the tree.
-
-Thanks to Michael Madsen for emailing me about making case sensitivity
-optional when sorting nodes.
-
-Thanks to AOYAMA Shotaro for suggesting that i echo a "please wait" message
-when opening large directories.
-
-Thanks to Michael Madsen for requesting the NERDTreeCaseSensitiveSort option.
-
-Thanks to AOYAMA Shotaro for suggesting that a "please wait" style message be
-echoed when opening large directories. Also, thanks for the suggestion of
-having public functions in the script to access the internal data :D
-
-Thanks to Zhang Weiwu for emailing me about a bug with the the <tab> mapping
-in 2.6.0
-
-Thanks to Niels Aan de Brugh for the suggestion that the script now split the
-window if you try to open a file in a window containing a modified buffer when
-the &hidden option is set.
-
-=== END_DOC
-" vim: set ts=4 sw=4 foldmethod=marker foldmarker={{{,}}} foldlevel=2: