1 files changed, 146 insertions, 0 deletions
diff --git a/portato/gui/views.py b/portato/gui/views.py
new file mode 100644
index 0000000..b069aae
--- /dev/null
+++ b/portato/gui/views.py
@@ -0,0 +1,146 @@
+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/views.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2006-2008 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 <necoro@necoro.net>
+
+from __future__ import absolute_import, with_statement
+
+import gtk
+import pango
+import gtksourceview2
+import logging
+
+from ..helper import _, warning
+
+class LazyView (object):
+	def __init__ (self):
+		self.connect("map", self.cb_mapped)
+
+		self.pkg = None
+		self.updated = False
+
+	def update (self, pkg, force = False):
+		self.pkg = pkg
+		self.updated = True
+		
+		if force:
+			self.cb_mapped()
+
+	def cb_mapped (self, *args):
+		if self.updated and self.pkg:
+			self.set_text("".join(self._get_content()))
+			self.updated = False
+
+		return False
+
+	def set_text (self, text):
+		raise NotImplementedError
+
+	def _get_content (self):
+		raise NotImplementedError
+
+class ListView (gtk.TextView, LazyView):
+
+	def __init__ (self, content_fn):
+		self.content_fn = content_fn
+
+		gtk.TextView.__init__(self)
+		LazyView.__init__(self)
+
+		self.set_editable(False)
+		self.set_cursor_visible(False)
+
+	def set_text (self, text):
+		self.get_buffer().set_text(text)
+
+	def _get_content (self):
+		return self.content_fn(self.pkg)
+
+class InstalledOnlyView (ListView):
+	def _get_content (self):
+		if self.pkg:
+			if not self.pkg.is_installed():
+				return _("Package is not installed")
+			else:
+				return ListView._get_content(self)
+		else:
+			return "Huh?"
+
+class HighlightView (gtksourceview2.View, LazyView):
+
+	def __init__ (self, get_file_fn, languages = []):
+		self.get_fn = get_file_fn
+
+		man = gtksourceview2.LanguageManager()
+		
+		language = None
+		old_lang = None
+		for lang in languages:
+			if old_lang:
+				warning(_("No %(old)s language file installed. Falling back to %(new)s."), {"old" : old_lang, "new" : lang})
+			
+			language = man.get_language(lang)
+			if language:
+				break
+			else:
+				old_lang = lang
+
+		if not language and old_lang:
+			warning(_("No %(old)s language file installed. Disable highlighting."), {"old" : old_lang})
+
+		buf = gtksourceview2.Buffer()
+		buf.set_language(language)
+
+		gtksourceview2.View.__init__(self, buf)
+		LazyView.__init__(self)
+
+		self.set_editable(False)
+		self.set_cursor_visible(False)
+
+	def set_text (self, text):
+		self.get_buffer().set_text(text)
+	
+	def _get_content (self):
+		try:
+			with open(self.get_fn(self.pkg)) as f:
+				return f.readlines()
+		except IOError, e:
+			return _("Error: %s") % e.strerror
+	
+class LogView (logging.Handler):
+
+	colors = (
+			(logging.DEBUG, "debug", "blue"),
+			(logging.INFO, "info", "green"),
+			(logging.WARNING, "warning", "yellow"),
+			(-1, "error", "red")
+			)
+
+	def __init__ (self, view):
+		logging.Handler.__init__(self, logging.DEBUG)
+
+		self.view = view
+		self.buf = view.get_buffer()
+
+		# set tags
+		for lvl, name, color in self.colors:
+			self.buf.create_tag("log_%s" % name, foreground = color,weight = pango.WEIGHT_BOLD)
+		
+		logging.getLogger("portatoLogger").addHandler(self)
+
+	def emit (self, record):
+		
+		for lvl, name, color in self.colors:
+			if lvl == -1 or record.levelno <= lvl:
+				tag = "log_%s" % name
+				break
+
+		self.buf.insert_with_tags_by_name(self.buf.get_end_iter(), "* ", tag)
+		self.buf.insert(self.buf.get_end_iter(), record.getMessage()+"\n")