/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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import sys
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import string
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import gtk
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import gobject
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import pango
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import re
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import treemodel
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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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    def __init__(self):
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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.revision = None
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        self.children = None
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        self.parents  = None
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        self.connect('destroy', lambda w: self.branch.unlock())
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    def get_revision(self):
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        return self.revision
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    def set_revision(self, revid):
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        self.treeview.set_cursor(self.index[revid])
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        self.treeview.grab_focus()
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    def get_children(self):
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        return self.children
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    def get_parents(self):
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        return self.parents
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59
 
    def set_branch(self, branch, start, maxnum):
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        self.branch = branch
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        self.branch.lock_read()
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        gobject.idle_add(self.populate, start, maxnum)
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65
 
    def back(self):
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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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72
 
        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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82
 
    def forward(self):
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        (path, col) = self.treeview.get_cursor()
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        revision = self.model[path][treemodel.REVISION]
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        children = self.model[path][treemodel.CHILDREN]
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        if not len(children):
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            return
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89
 
        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
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        else:
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            self.treeview.set_cursor(self.index[children[0]])
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        self.treeview.grab_focus()
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    def populate(self, start, maxnum):
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        (linegraphdata, index, columns_len) = linegraph(self.branch,
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                                                        start,
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                                                        maxnum)
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        self.model = TreeModel(self.branch, linegraphdata)
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        self.graph_cell.columns_len = columns_len
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        width = self.graph_cell.get_size(self.treeview)[2]
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        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)
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        self.emit('revisions-loaded')
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        return False
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    def show_diff(self, branch, revid, parentid):
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        """Open a new window to show a diff between the given revisions."""
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        from bzrlib.plugins.gtk.diff import DiffWindow
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        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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        self.treeview.set_rules_hint(True)
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        self.treeview.set_search_column(4)
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        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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        self.treeview.set_property('fixed-height-mode', True)
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        self.add(self.treeview)
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        self.treeview.show()
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        cell = gtk.CellRendererText()
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        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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        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)
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167
 
        cell = gtk.CellRendererText()
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        cell.set_property("width-chars", 65)
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        cell.set_property("ellipsize", pango.ELLIPSIZE_END)
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        column = gtk.TreeViewColumn("Message")
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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.MESSAGE)
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        self.treeview.append_column(column)
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        cell = gtk.CellRendererText()
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        cell.set_property("width-chars", 15)
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        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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    def _on_selection_changed(self, selection, *args):
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        """callback for when the treeview changes."""
191
 
        (model, selected_rows) = selection.get_selected_rows()
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        if len(selected_rows) > 0:
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            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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            self.emit('revision-selected')
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    def _on_revision_selected(self, widget, event):
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        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
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        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)
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            menu.popup(None, None, None, event.button, event.get_time())
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208
 
    def _on_revision_activated(self, widget, path, col):
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        # TODO: more than one parent
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        """Callback for when a treeview row gets activated."""
211
 
        revision_id = self.model[path][treemodel.REVID]
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        parents = self.model[path][treemodel.PARENTS]
213
 
        if len(parents) == 0:
214
 
            # Ignore revisions without parent
215
 
            return
216
 
        parent_id = parents[0]
217
 
        self.show_diff(self.branch, revision_id, parent_id)
218
 
        self.treeview.grab_focus()