/b-gtk/fix-viz

# -*- coding: UTF-8 -*-

"""Branch window.

This module contains the code to manage the branch information window,

which contains both the revision graph and details panes.

"""

__copyright__ = "Copyright © 2005 Canonical Ltd."

__author__    = "Scott James Remnant <scott@ubuntu.com>"

import gtk

import gobject

import pango

from bzrlib.plugins.gtk.window import Window

from bzrlib.plugins.gtk.preferences import PreferencesWindow

from treeview import TreeView

class BranchWindow(Window):

    """Branch window.

    This object represents and manages a single window containing information

    for a particular branch.

    """

    def __init__(self, branch, start, maxnum, parent=None):

        """Create a new BranchWindow.

        :param branch: Branch object for branch to show.

        :param start: Revision id of top revision.

        :param maxnum: Maximum number of revisions to display, 

                       None for no limit.

        """

        Window.__init__(self, parent=parent)

        self.set_border_width(0)

        self.branch = branch

        self.start  = start

        self.maxnum = maxnum

        self.set_title(branch.nick + " - revision history")

        # Use three-quarters of the screen by default

        screen = self.get_screen()

        monitor = screen.get_monitor_geometry(0)

        width = int(monitor.width * 0.75)

        height = int(monitor.height * 0.75)

        self.set_default_size(width, height)

        # FIXME AndyFitz!

        icon = self.render_icon(gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)

        self.set_icon(icon)

        self.accel_group = gtk.AccelGroup()

        self.add_accel_group(self.accel_group)

        self.construct()

    def construct(self):

        """Construct the window contents."""

        vbox = gtk.VBox(spacing=0)

        self.add(vbox)

        vbox.pack_start(self.construct_menubar(), expand=False, fill=True)

        vbox.pack_start(self.construct_navigation(), expand=False, fill=True)

        vbox.pack_start(self.construct_loading_msg(), expand=False, fill=True)

        paned = gtk.VPaned()

        paned.pack1(self.construct_top(), resize=True, shrink=False)

        paned.pack2(self.construct_bottom(), resize=False, shrink=True)

        paned.show()

        vbox.pack_start(paned, expand=True, fill=True)

        vbox.set_focus_child(paned)

        vbox.show()

    def construct_menubar(self):

        menubar = gtk.MenuBar()

        file_menu = gtk.Menu()

        file_menuitem = gtk.MenuItem("_File")

        file_menuitem.set_submenu(file_menu)

        file_menu_close = gtk.ImageMenuItem(gtk.STOCK_CLOSE)

        file_menu_close.connect('activate', lambda x: self.destroy())

        file_menu.add(file_menu_close)

        edit_menu = gtk.Menu()

        edit_menuitem = gtk.MenuItem("_Edit")

        edit_menuitem.set_submenu(edit_menu)

        edit_menu_find = gtk.ImageMenuItem(gtk.STOCK_FIND)

        edit_menu_prefs = gtk.ImageMenuItem(gtk.STOCK_PREFERENCES)

        edit_menu_prefs.connect('activate', lambda x: PreferencesWindow(self.branch.get_config()).show())

        edit_menu.add(edit_menu_find)

        edit_menu.add(edit_menu_prefs)

        go_menu = gtk.Menu()

        go_menuitem = gtk.MenuItem("_Go")

        go_menuitem.set_submenu(go_menu)

        go_menu_back = gtk.ImageMenuItem(gtk.STOCK_GO_BACK)

        go_menu_back.connect("activate", self._back_clicked_cb)

        go_menu_forward = gtk.ImageMenuItem(gtk.STOCK_GO_FORWARD)

        go_menu_forward.connect("activate", self._fwd_clicked_cb)

        tags_menu = gtk.Menu()

        go_menu_tags = gtk.MenuItem("_Tags")

        go_menu_tags.set_submenu(tags_menu)

        for (tag, revid) in self.branch.tags.get_tag_dict().items():

            tag_item = gtk.MenuItem(tag)

            tag_item.connect('activate', self._tag_selected_cb, revid)

            tags_menu.add(tag_item)

        go_menu.add(go_menu_back)

        go_menu.add(go_menu_forward)

        go_menu.add(gtk.SeparatorMenuItem())

        go_menu.add(go_menu_tags)

        revision_menu = gtk.Menu()

        revision_menuitem = gtk.MenuItem("_Revision")

        revision_menuitem.set_submenu(revision_menu)

        revision_menu.add(gtk.MenuItem("Tag Revision"))

        revision_menu.add(gtk.MenuItem("View Changes"))

        branch_menu = gtk.Menu()

        branch_menuitem = gtk.MenuItem("_Branch")

        branch_menuitem.set_submenu(branch_menu)

        branch_menu.add(gtk.MenuItem("Pu_ll Revisions"))

        branch_menu.add(gtk.MenuItem("Pu_sh Revisions"))

        menubar.add(file_menuitem)

        menubar.add(edit_menuitem)

        menubar.add(go_menuitem)

        menubar.add(revision_menuitem)

        menubar.add(branch_menuitem)

        menubar.show_all()

        return menubar

    def construct_loading_msg(self):

        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,

                                                 gtk.ICON_SIZE_BUTTON)

        image_loading.show()

        label_loading = gtk.Label(_("Please wait, loading ancestral graph..."))

        label_loading.set_alignment(0.0, 0.5)  

        label_loading.show()

        self.loading_msg_box = gtk.HBox()

        self.loading_msg_box.set_spacing(5)

        self.loading_msg_box.set_border_width(5)        

        self.loading_msg_box.pack_start(image_loading, False, False)

        self.loading_msg_box.pack_start(label_loading, True, True)

        self.loading_msg_box.show()

        return self.loading_msg_box

    def construct_top(self):

        """Construct the top-half of the window."""

        # FIXME: Make broken_line_length configurable

        self.treeview = TreeView(self.branch, self.start, self.maxnum, 32)

        self.treeview.connect("revision-selected",

                self._treeselection_changed_cb)

        self.treeview.connect('revisions-loaded', 

                lambda x: self.loading_msg_box.hide())

        self.treeview.show()

        return self.treeview

    def construct_navigation(self):

        """Construct the navigation buttons."""

        self.toolbar = gtk.Toolbar()

        self.toolbar.set_style(gtk.TOOLBAR_BOTH_HORIZ)

        self.back_button = gtk.ToolButton(stock_id=gtk.STOCK_GO_BACK)

        self.back_button.set_is_important(True)

        self.back_button.add_accelerator("clicked", self.accel_group, ord('['),

                                         0, 0)

        self.back_button.connect("clicked", self._back_clicked_cb)

        self.toolbar.insert(self.back_button, -1)

        self.back_button.show()

        self.fwd_button = gtk.ToolButton(stock_id=gtk.STOCK_GO_FORWARD)

        self.fwd_button.set_is_important(True)

        self.fwd_button.add_accelerator("clicked", self.accel_group, ord(']'),

                                        0, 0)

        self.fwd_button.connect("clicked", self._fwd_clicked_cb)

        self.toolbar.insert(self.fwd_button, -1)

        self.fwd_button.show()

        self.toolbar.show()

        return self.toolbar

    def construct_bottom(self):

        """Construct the bottom half of the window."""

        from bzrlib.plugins.gtk.revisionview import RevisionView

        self.revisionview = RevisionView(None, tags=[], show_children=True, branch=self.branch)

        (width, height) = self.get_size()

        self.revisionview.set_size_request(width, int(height / 2.5))

        self.revisionview.show()

        self.revisionview.set_show_callback(self._show_clicked_cb)

        self.revisionview.set_go_callback(self._go_clicked_cb)

        return self.revisionview

    def _tag_selected_cb(self, menuitem, revid):

        self.treeview.set_revision(revid)

    def _treeselection_changed_cb(self, selection, *args):

        """callback for when the treeview changes."""

        revision = self.treeview.get_revision()

        parents  = self.treeview.get_parents()

        children = self.treeview.get_children()

        if revision is not None:

            self.back_button.set_sensitive(len(parents) > 0)

            self.fwd_button.set_sensitive(len(children) > 0)

            tags = []

            if self.branch.supports_tags():

                tagdict = self.branch.tags.get_reverse_tag_dict()

                if tagdict.has_key(revision.revision_id):

                    tags = tagdict[revision.revision_id]

            self.revisionview.set_revision(revision, tags, children)

    def _back_clicked_cb(self, *args):

        """Callback for when the back button is clicked."""

        self.treeview.back()

    def _fwd_clicked_cb(self, *args):

        """Callback for when the forward button is clicked."""

        self.treeview.forward()

    def _go_clicked_cb(self, revid):

        """Callback for when the go button for a parent is clicked."""

        self.treeview.set_revision(revid)

    def _show_clicked_cb(self, revid, parentid):

        """Callback for when the show button for a parent is clicked."""

        self.treeview.show_diff(self.branch, revid, parentid)

        self.treeview.grab_focus()