/b-gtk/fix-viz

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  • Committer: Jelmer Vernooij
  • Date: 2006-09-27 17:49:18 UTC
  • mto: (0.12.2 olive)
  • mto: This revision was merged to the branch mainline in revision 83.
  • Revision ID: jelmer@samba.org-20060927174918-0e5c331b574d16a3
Don't pass along dialog context everywhere.

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olive/diff.py
 
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# Copyright (C) 2006 by Szilveszter Farkas (Phanatic) <szilveszter.farkas@gmail.com>
 
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#
 
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# Some parts of the code:
 
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# Copyright (C) 2005 by Canonical Ltd.
 
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# Author: Scott James Remnant <scott@ubuntu.com>
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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import sys
 
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from cStringIO import StringIO
 
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try:
 
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    import pygtk
 
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    pygtk.require("2.0")
 
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except:
 
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    pass
 
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try:
 
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    import gtk
 
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    import gtk.glade
 
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    import gobject
 
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    import pango
 
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except:
 
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    sys.exit(1)
 
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try:
 
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    import gtksourceview
 
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    have_gtksourceview = True
 
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except ImportError:
 
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    have_gtksourceview = False
 
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import bzrlib
 
45
 
 
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from bzrlib.diff import show_diff_trees
 
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import bzrlib.errors as errors
 
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from bzrlib.workingtree import WorkingTree
 
49
 
 
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class OliveDiff:
 
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    """ Display Diff window and perform the needed actions. """
 
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    def __init__(self, gladefile, comm):
 
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        """ Initialize the Diff window. """
 
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        self.gladefile = gladefile
 
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        self.glade = gtk.glade.XML(self.gladefile, 'window_diff', 'olive-gtk')
 
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        # Communication object
 
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        self.comm = comm
 
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        # Get some important widgets
 
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        self.window = self.glade.get_widget('window_diff')
 
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        self.treeview = self.glade.get_widget('treeview_diff_files')
 
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        # Check if current location is a branch
 
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        try:
 
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            (self.wt, path) = WorkingTree.open_containing(self.comm.get_path())
 
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            branch = self.wt.branch
 
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        except errors.NotBranchError:
 
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            self.notbranch = True
 
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            return
 
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        except:
 
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            raise
 
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        file_id = self.wt.path2id(path)
 
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        self.notbranch = False
 
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        if file_id is None:
 
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            self.notbranch = True
 
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            return
 
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        # Set the old working tree
 
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        self.old_tree = self.wt.branch.repository.revision_tree(self.wt.branch.last_revision())
 
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        # Dictionary for signal_autoconnect
 
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        dic = { "on_button_diff_close_clicked": self.close,
 
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                "on_treeview_diff_files_cursor_changed": self.cursor_changed }
 
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        # Connect the signals to the handlers
 
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        self.glade.signal_autoconnect(dic)
 
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        # Create the file list
 
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        self._create_file_view()
 
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        # Generate initial diff
 
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        self._init_diff()
 
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    def display(self):
 
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        """ Display the Diff window. """
 
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        if self.notbranch:
 
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            error_dialog(_('Directory is not a branch'),
 
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                                     _('You can perform this action only in a branch.'))
 
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            self.close()
 
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        else:
 
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            self.window.show_all()
 
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    def _create_file_view(self):
 
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        """ Create the list of files. """
 
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        self.model = gtk.TreeStore(str, str)
 
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        self.treeview.set_model(self.model)
 
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        cell = gtk.CellRendererText()
 
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        cell.set_property("width-chars", 20)
 
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        column = gtk.TreeViewColumn()
 
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        column.pack_start(cell, expand=True)
 
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        column.add_attribute(cell, "text", 0)
 
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        self.treeview.append_column(column)
 
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        if have_gtksourceview:
 
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            self.buffer = gtksourceview.SourceBuffer()
 
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            slm = gtksourceview.SourceLanguagesManager()
 
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            gsl = slm.get_language_from_mime_type("text/x-patch")
 
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            self.buffer.set_language(gsl)
 
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            self.buffer.set_highlight(True)
 
124
 
 
125
            sourceview = gtksourceview.SourceView(self.buffer)
 
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        else:
 
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            self.buffer = gtk.TextBuffer()
 
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            sourceview = gtk.TextView(self.buffer)
 
129
 
 
130
        sourceview.set_editable(False)
 
131
        sourceview.modify_font(pango.FontDescription("Monospace"))
 
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        scrollwin_diff = self.glade.get_widget('scrolledwindow_diff_diff')
 
133
        scrollwin_diff.add(sourceview)
 
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135
    def _init_diff(self):
 
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        """ Generate initial diff. """
 
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        self.model.clear()
 
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        delta = self.wt.changes_from(self.old_tree)
 
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140
        self.model.append(None, [ _('Complete Diff'), "" ])
 
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        if len(delta.added):
 
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            titer = self.model.append(None, [ _('Added'), None ])
 
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            for path, id, kind in delta.added:
 
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                self.model.append(titer, [ path, path ])
 
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        if len(delta.removed):
 
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            titer = self.model.append(None, [ _('Removed'), None ])
 
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            for path, id, kind in delta.removed:
 
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                self.model.append(titer, [ path, path ])
 
151
 
 
152
        if len(delta.renamed):
 
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            titer = self.model.append(None, [ _('Renamed'), None ])
 
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            for oldpath, newpath, id, kind, text_modified, meta_modified \
 
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                    in delta.renamed:
 
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                self.model.append(titer, [ oldpath, newpath ])
 
157
 
 
158
        if len(delta.modified):
 
159
            titer = self.model.append(None, [ _('Modified'), None ])
 
160
            for path, id, kind, text_modified, meta_modified in delta.modified:
 
161
                self.model.append(titer, [ path, path ])
 
162
 
 
163
        self.treeview.expand_all()
 
164
    
 
165
    def cursor_changed(self, *args):
 
166
        """ Callback when the TreeView cursor changes. """
 
167
        (path, col) = self.treeview.get_cursor()
 
168
        specific_files = [ self.model[path][1] ]
 
169
        if specific_files == [ None ]:
 
170
            return
 
171
        elif specific_files == [ "" ]:
 
172
            specific_files = []
 
173
 
 
174
        s = StringIO()
 
175
        show_diff_trees(self.old_tree, self.wt, s, specific_files)
 
176
        self.buffer.set_text(s.getvalue())
 
177
    
 
178
    def close(self, widget=None):
 
179
        self.window.destroy()