/b-gtk/fix-viz

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Viewing changes to branchview/treeview.py

  • Committer: Jelmer Vernooij
  • Date: 2008-06-29 19:34:29 UTC
  • mto: This revision was merged to the branch mainline in revision 520.
  • Revision ID: jelmer@samba.org-20080629193429-ir2ilmbko6qkubg5
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branchview/treeview.py
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import pango
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import re
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import treemodel
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from bzrlib import ui
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from bzrlib.plugins.gtk import _i18n
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from bzrlib.plugins.gtk.ui import GtkProgressBar, ProgressPanel
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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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from bzrlib.revision import NULL_REVISION
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class TreeView(gtk.VBox):
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    __gproperties__ = {
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    }
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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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                              (gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT)),
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        'tag-added': (gobject.SIGNAL_RUN_FIRST,
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                              gobject.TYPE_NONE,
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                              (gobject.TYPE_STRING, gobject.TYPE_STRING)),
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        'refreshed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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                              ())
 
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                              (gobject.TYPE_STRING, gobject.TYPE_STRING))
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    }
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    def __init__(self, branch, start, maxnum, compact=True):
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        """
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        gtk.VBox.__init__(self, spacing=0)
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        loading_msg_widget = ProgressPanel()
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        if getattr(ui.ui_factory, "set_nested_progress_bar_widget", None) is not None:
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            ui.ui_factory.set_nested_progress_bar_widget(loading_msg_widget.get_progress_bar)
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        self.pack_start(loading_msg_widget, expand=False, fill=True)
 
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        self.pack_start(self.construct_loading_msg(), expand=False, fill=True)
 
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        self.connect('revisions-loaded', 
 
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                lambda x: self.loading_msg_box.hide())
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        self.scrolled_window = gtk.ScrolledWindow()
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        self.scrolled_window.set_policy(gtk.POLICY_AUTOMATIC,
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        self.pack_start(self.scrolled_window, expand=True, fill=True)
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        self.scrolled_window.add(self.construct_treeview())
 
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        self.iter = None
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        self.branch = branch
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        self.revision = None
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        self.index = {}
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        self.start = start
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        self.maxnum = maxnum
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        """Return revision id of currently selected revision, or None."""
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        return self.get_property('revision')
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    def has_revision_id(self, revision_id):
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        return (revision_id in self.index)
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    def set_revision(self, revision):
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        self.set_property('revision', revision)
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        self.emit('tag-added', tag, revid)
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    def refresh(self):
 
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        self.loading_msg_box.show()
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        gobject.idle_add(self.populate, self.get_revision())
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    def update(self):
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                       should be broken.
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        """
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        self.progress_bar = ui.ui_factory.nested_progress_bar()
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        self.progress_bar.update("Loading ancestry graph", 0, 5)
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        try:
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            if self.compact:
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                broken_line_length = 32
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            else:
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                broken_line_length = None
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            show_graph = self.graph_column.get_visible()
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            self.branch.lock_read()
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            (linegraphdata, index, columns_len) = linegraph(self.branch.repository.get_graph(),
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                                                            self.start,
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                                                            self.maxnum, 
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                                                            broken_line_length,
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                                                            show_graph,
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                                                            self.mainline_only,
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                                                            self.progress_bar)
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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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            if width > 500:
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                width = 500
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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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            if not revision or revision == NULL_REVISION:
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                self.treeview.set_cursor(0)
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            else:
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                self.set_revision(revision)
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            self.emit('refreshed')
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            return False
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        finally:
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            self.progress_bar.finished()
 
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        if self.compact:
 
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            broken_line_length = 32
 
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        else:
 
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            broken_line_length = None
 
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        show_graph = self.graph_column.get_visible()
 
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        self.branch.lock_read()
 
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        (linegraphdata, index, columns_len) = linegraph(self.branch.repository,
 
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                                                        (self.start,) , # Sequence of start revisions
 
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                                                        self.maxnum, 
 
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                                                        broken_line_length,
 
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                                                        show_graph,
 
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                                                        self.mainline_only)
 
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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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        if width > 500:
 
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            width = 500
 
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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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        if not revision or revision == NULL_REVISION:
 
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            self.treeview.set_cursor(0)
 
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        else:
 
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            self.set_revision(revision)
 
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        self.emit('revisions-loaded')
 
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        return False
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    def construct_treeview(self):
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        self.treeview = gtk.TreeView()
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        if set_tooltip is not None:
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            set_tooltip(treemodel.MESSAGE)
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        self._prev_cursor_path = None
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        self.treeview.connect("cursor-changed",
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                self._on_selection_changed)
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        return self.treeview
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    def construct_loading_msg(self):
 
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        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,
 
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                                                 gtk.ICON_SIZE_BUTTON)
 
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        image_loading.show()
 
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        label_loading = gtk.Label(
 
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            _i18n("Please wait, loading ancestral graph..."))
 
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        label_loading.set_alignment(0.0, 0.5)
 
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        label_loading.show()
 
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        self.loading_msg_box = gtk.HBox()
 
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        self.loading_msg_box.set_spacing(5)
 
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        self.loading_msg_box.set_border_width(5)        
 
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        self.loading_msg_box.pack_start(image_loading, False, False)
 
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        self.loading_msg_box.pack_start(label_loading, True, True)
 
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        self.loading_msg_box.show()
 
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        return self.loading_msg_box
 
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    def _on_selection_changed(self, treeview):
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        """callback for when the treeview changes."""
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        (path, focus) = treeview.get_cursor()
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        if (path is not None) and (path != self._prev_cursor_path):
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            self._prev_cursor_path = path # avoid emitting twice per click
 
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        if path is not None:
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            self.iter = self.model.get_iter(path)
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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 RevisionMenu
 
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        from bzrlib.plugins.gtk.revisionmenu import RevisionPopupMenu
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        if event.button == 3:
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            menu = RevisionMenu(self.branch.repository, 
 
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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.connect('tag-added', lambda w, t, r: self.add_tag(t, r))