/b-gtk/fix-viz

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  • Committer: Scott James Remnant
  • Date: 2005-10-17 01:07:49 UTC
  • Revision ID: scott@netsplit.com-20051017010749-15fa95fc2cf09289
Commit the first version of bzrk.

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# -*- coding: UTF-8 -*-
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"""Revision history view.
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"""
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__copyright__ = "Copyright � 2005 Canonical Ltd."
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__author__    = "Daniel Schierbeck <daniel.schierbeck@gmail.com>"
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9
 
import sys
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import string
11
 
import gtk
12
 
import gobject
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import pango
14
 
import re
15
 
import treemodel
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17
 
from linegraph import linegraph, same_branch
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from graphcell import CellRendererGraph
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from treemodel import TreeModel
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class TreeView(gtk.ScrolledWindow):
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    __gsignals__ = {
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            'revisions-loaded': (gobject.SIGNAL_RUN_FIRST, 
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                                 gobject.TYPE_NONE,
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                                 ()),
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            'revision-selected': (gobject.SIGNAL_RUN_FIRST,
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                                  gobject.TYPE_NONE,
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                                  ())
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    }
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32
 
    def __init__(self, branch, start, maxnum):
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        """Create a new TreeView.
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        :param branch: Branch object for branch to show.
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        :param start: Revision id of top revision.
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        :param maxnum: Maximum number of revisions to display, 
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                       None for no limit.
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        """
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        gtk.ScrolledWindow.__init__(self)
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        self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
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        self.set_shadow_type(gtk.SHADOW_IN)
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        self.construct_treeview()
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        self.branch = branch
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        self.branch.lock_read()
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50
 
        gobject.idle_add(self.populate, start, maxnum)
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52
 
        self.revision = None
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        self.children = None
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        self.parents  = None
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56
 
        self.connect('destroy', lambda w: self.branch.unlock())
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58
 
    def get_revision(self):
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        """Return revision id of currently selected revision, or None."""
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        return self.revision
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62
 
    def set_revision(self, revid):
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        """Change the currently selected revision.
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        :param revid: Revision id of revision to display.
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        """
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        self.treeview.set_cursor(self.index[revid])
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        self.treeview.grab_focus()
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70
 
    def get_children(self):
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        """Return the children of the currently selected revision.
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        :return: list of revision ids.
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        """
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        return self.children
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77
 
    def get_parents(self):
78
 
        """Return the parents of the currently selected revision.
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        :return: list of revision ids.
81
 
        """
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        return self.parents
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84
 
    def back(self):
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        """Signal handler for the Back button."""
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        (path, col) = self.treeview.get_cursor()
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        revision = self.model[path][treemodel.REVISION]
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        parents = self.model[path][treemodel.PARENTS]
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        if not len(parents):
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            return
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92
 
        for parent_id in parents:
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            parent_index = self.index[parent_id]
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            parent = self.model[parent_index][treemodel.REVISION]
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            if same_branch(revision, parent):
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                self.treeview.set_cursor(parent_index)
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                break
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        else:
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            self.treeview.set_cursor(self.index[parents[0]])
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        self.treeview.grab_focus()
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102
 
    def forward(self):
103
 
        """Signal handler for the Forward button."""
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        (path, col) = self.treeview.get_cursor()
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        revision = self.model[path][treemodel.REVISION]
106
 
        children = self.model[path][treemodel.CHILDREN]
107
 
        if not len(children):
108
 
            return
109
 
 
110
 
        for child_id in children:
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            child_index = self.index[child_id]
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            child = self.model[child_index][treemodel.REVISION]
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            if same_branch(child, revision):
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                self.treeview.set_cursor(child_index)
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                break
116
 
        else:
117
 
            self.treeview.set_cursor(self.index[children[0]])
118
 
        self.treeview.grab_focus()
119
 
 
120
 
    def populate(self, start, maxnum):
121
 
        """Fill the treeview with contents.
122
 
 
123
 
        :param start: Revision id of revision to start with.
124
 
        :param maxnum: Maximum number of revisions to display, or None 
125
 
                       for no limit.
126
 
        """
127
 
        (linegraphdata, index, columns_len) = linegraph(self.branch,
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                                                        start,
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                                                        maxnum)
130
 
 
131
 
        self.model = TreeModel(self.branch, linegraphdata)
132
 
        self.graph_cell.columns_len = columns_len
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        width = self.graph_cell.get_size(self.treeview)[2]
134
 
        self.graph_column.set_fixed_width(width)
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        self.graph_column.set_max_width(width)
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        self.index = index
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        self.treeview.set_model(self.model)
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        self.treeview.set_cursor(0)
139
 
        self.emit('revisions-loaded')
140
 
 
141
 
        return False
142
 
 
143
 
    def show_diff(self, branch, revid, parentid):
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        """Open a new window to show a diff between the given revisions."""
145
 
        from bzrlib.plugins.gtk.diff import DiffWindow
146
 
        window = DiffWindow(parent=self)
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        (parent_tree, rev_tree) = branch.repository.revision_trees([parentid, 
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                                                                   revid])
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        description = revid + " - " + branch.nick
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        window.set_diff(description, rev_tree, parent_tree)
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        window.show()
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    def construct_treeview(self):
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        self.treeview = gtk.TreeView()
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156
 
        self.treeview.set_rules_hint(True)
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        self.treeview.set_search_column(4)
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159
 
        self.treeview.get_selection().connect("changed",
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                self._on_selection_changed)
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        self.treeview.connect("row-activated", 
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                self._on_revision_activated)
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        self.treeview.connect("button-release-event", 
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                self._on_revision_selected)
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168
 
        self.treeview.set_property('fixed-height-mode', True)
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170
 
        self.add(self.treeview)
171
 
        self.treeview.show()
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173
 
        cell = gtk.CellRendererText()
174
 
        cell.set_property("width-chars", 15)
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        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
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        column = gtk.TreeViewColumn("Revision No")
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        column.set_resizable(True)
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        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
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        column.set_fixed_width(cell.get_size(self.treeview)[2])
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        column.pack_start(cell, expand=True)
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        column.add_attribute(cell, "text", treemodel.REVNO)
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        self.treeview.append_column(column)
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184
 
        self.graph_cell = CellRendererGraph()
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        self.graph_column = gtk.TreeViewColumn()
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        self.graph_column.set_resizable(True)
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        self.graph_column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
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        self.graph_column.pack_start(self.graph_cell, expand=False)
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        self.graph_column.add_attribute(self.graph_cell, "node", treemodel.NODE)
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        self.graph_column.add_attribute(self.graph_cell, "in-lines", treemodel.LAST_LINES)
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        self.graph_column.add_attribute(self.graph_cell, "out-lines", treemodel.LINES)
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        self.treeview.append_column(self.graph_column)
193
 
 
194
 
        cell = gtk.CellRendererText()
195
 
        cell.set_property("width-chars", 65)
196
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
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        column = gtk.TreeViewColumn("Message")
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        column.set_resizable(True)
199
 
        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
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        column.set_fixed_width(cell.get_size(self.treeview)[2])
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        column.pack_start(cell, expand=True)
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        column.add_attribute(cell, "text", treemodel.MESSAGE)
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        self.treeview.append_column(column)
204
 
 
205
 
        cell = gtk.CellRendererText()
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        cell.set_property("width-chars", 15)
207
 
        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
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        column = gtk.TreeViewColumn("Committer")
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        column.set_resizable(True)
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        column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
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        column.set_fixed_width(cell.get_size(self.treeview)[2])
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        column.pack_start(cell, expand=True)
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        column.add_attribute(cell, "text", treemodel.COMMITER)
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        self.treeview.append_column(column)
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216
 
    def _on_selection_changed(self, selection, *args):
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        """callback for when the treeview changes."""
218
 
        (model, selected_rows) = selection.get_selected_rows()
219
 
        if len(selected_rows) > 0:
220
 
            iter = self.model.get_iter(selected_rows[0])
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            self.revision = self.model.get_value(iter, treemodel.REVISION)
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            self.parents = self.model.get_value(iter, treemodel.PARENTS)
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            self.children = self.model.get_value(iter, treemodel.CHILDREN)
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225
 
            self.emit('revision-selected')
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227
 
    def _on_revision_selected(self, widget, event):
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        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
229
 
        if event.button == 3:
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            menu = RevisionPopupMenu(self.branch.repository, 
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                [self.get_revision().revision_id],
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                self.branch)
233
 
            menu.popup(None, None, None, event.button, event.get_time())
234
 
 
235
 
    def _on_revision_activated(self, widget, path, col):
236
 
        # TODO: more than one parent
237
 
        """Callback for when a treeview row gets activated."""
238
 
        revision_id = self.model[path][treemodel.REVID]
239
 
        parents = self.model[path][treemodel.PARENTS]
240
 
        if len(parents) == 0:
241
 
            # Ignore revisions without parent
242
 
            return
243
 
        parent_id = parents[0]
244
 
        self.show_diff(self.branch, revision_id, parent_id)
245
 
        self.treeview.grab_focus()