# -*- coding: utf-8 -*- # # File: portato/gui/qt/tree.py # This file is part of the Portato-Project, a graphical portage-frontend. # # Copyright (C) 2007 René 'Necoro' Neumann # This is free software. You may redistribute copies of it under the terms of # the GNU General Public License version 2. # There is NO WARRANTY, to the extent permitted by law. # # Written by René 'Necoro' Neumann from PyQt4 import Qt from portato.gui.wrapper import Tree from portato.helper import debug from portato.backend import system # for the tooltips class QtTree (Tree): def __init__ (self, treeWidget, col = 0): self.tree = treeWidget self.col = col self.emergeIt = Qt.QTreeWidgetItem(self.tree, ["Emerge", ""]) self.unmergeIt = Qt.QTreeWidgetItem(self.tree, ["Unmerge", ""]) def build_append_value (self, cpv, oneshot = False, update = False, version = None): string = "" if oneshot: string += "(oneshot)" if update: string += "; " if update: string += "(updating" if version is not None: string += " from version %s" % version string += ")" return [cpv, string] def get_emerge_it (self): return self.emergeIt def get_unmerge_it (self): return self.unmergeIt def is_in_emerge (self, it): while self.iter_has_parent(it): it = self.parent_iter(it) return (it == self.emergeIt) def is_in_unmerge (self, it): return not self.is_in_emerge(it) def iter_has_parent (self, it): return (it.parent() != None) def parent_iter (self, it): return it.parent() def first_child_iter (self, it): return it.child(0) def iter_has_children (self, it): return (it.childCount() > 0) def next_iter (self, it): iter = Qt.QTreeWidgetItemIterator(it) iter += 1 # next iter ... return iter.value() def get_value (self, it, column): return str(it.text(column)) def append (self, parent = None, values = None): if values is None: values = ["",""] else: for i in range(len(values)): if values[i] is None: values[i] = "" if parent is None: parent = self.tree item = Qt.QTreeWidgetItem(parent, values) self.make_tooltip(item) return item def remove (self, it): # a somehow strange approach ;) - go to the parent and delete the child parent = it.parent() index = parent.indexOfChild(it) parent.takeChild(index) def get_original (self): return self.tree def get_cpv_column (self): return self.col def make_tooltip (self, item): tooltip = self.__get_flags(str(item.text(0))) item.setToolTip(self.col, tooltip) def __get_flags(self, cpv): try: pkg = system.new_package(cpv) except ValueError: # no CPV return "" enabled = [] disabled = [] expanded = set() pkg_flags = pkg.get_all_use_flags() if not pkg_flags: # no flags - stop here return "" pkg_flags.sort() for use in pkg_flags: exp = pkg.use_expanded(use) if exp: expanded.add(exp) else: if pkg.is_use_flag_enabled(use): enabled.append(use) else: disabled.append(use) string = "" if enabled: string = "+%s" % ("
+".join(enabled),) if len(disabled) > 0: string = string + "
" if disabled: string = string+"- %s" % ("
- ".join(disabled),) if expanded: string = string+"

"+"
".join(expanded) return string