/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 import icon_path

from bzrlib.plugins.gtk.branchview import TreeView, treemodel

from bzrlib.plugins.gtk.tags import AddTagDialog

from bzrlib.plugins.gtk.preferences import PreferencesWindow

from bzrlib.plugins.gtk.revisionmenu import RevisionMenu

from bzrlib.plugins.gtk.window import Window

from bzrlib.config import BranchConfig, GlobalConfig

from bzrlib.revision import Revision, NULL_REVISION

from bzrlib.trace import mutter

class BranchWindow(Window):

    """Branch window.

    This object represents and manages a single window containing information

    for a particular branch.

    """

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

        """Create a new BranchWindow.

        :param branch: Branch object for branch to show.

        :param start_revs: Revision ids of top revisions.

        :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_revs  = start_revs

        self.maxnum      = maxnum

        self.config      = GlobalConfig()

        if self.config.get_user_option('viz-compact-view') == 'yes':

            self.compact_view = True

        else:

            self.compact_view = False

        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)

        gtk.accel_map_add_entry("<viz>/Go/Next Revision", gtk.keysyms.Up, gtk.gdk.MOD1_MASK)

        gtk.accel_map_add_entry("<viz>/Go/Previous Revision", gtk.keysyms.Down, gtk.gdk.MOD1_MASK)

        gtk.accel_map_add_entry("<viz>/View/Refresh", gtk.keysyms.F5, 0)

        self.accel_group = gtk.AccelGroup()

        self.add_accel_group(self.accel_group)

        gtk.Action.set_tool_item_type(gtk.MenuToolButton)

        self.prev_rev_action = gtk.Action("prev-rev", "_Previous Revision", "Go to the previous revision", gtk.STOCK_GO_DOWN)

        self.prev_rev_action.set_accel_path("<viz>/Go/Previous Revision")

        self.prev_rev_action.set_accel_group(self.accel_group)

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

        self.prev_rev_action.connect_accelerator()

        self.next_rev_action = gtk.Action("next-rev", "_Next Revision", "Go to the next revision", gtk.STOCK_GO_UP)

        self.next_rev_action.set_accel_path("<viz>/Go/Next Revision")

        self.next_rev_action.set_accel_group(self.accel_group)

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

        self.next_rev_action.connect_accelerator()

        self.refresh_action = gtk.Action("refresh", "_Refresh", "Refresh view", gtk.STOCK_REFRESH)

        self.refresh_action.set_accel_path("<viz>/View/Refresh")

        self.refresh_action.set_accel_group(self.accel_group)

        self.refresh_action.connect("activate", self._refresh_clicked)

        self.refresh_action.connect_accelerator()

        self.construct()

    def set_revision(self, revid):

        self.treeview.set_revision_id(revid)

    def construct(self):

        """Construct the window contents."""

        vbox = gtk.VBox(spacing=0)

        self.add(vbox)

        self.paned = gtk.VPaned()

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

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

        self.paned.show()

        nav = self.construct_navigation()

        menubar = self.construct_menubar()

        vbox.pack_start(menubar, expand=False, fill=True)

        vbox.pack_start(nav, expand=False, fill=True)

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

        vbox.set_focus_child(self.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, self.accel_group)

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

        file_menu_quit = gtk.ImageMenuItem(gtk.STOCK_QUIT, self.accel_group)

        file_menu_quit.connect('activate', lambda x: gtk.main_quit())

        if self._parent is not None:

            file_menu.add(file_menu_close)

        file_menu.add(file_menu_quit)

        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_branchopts = gtk.MenuItem("Branch Settings")

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

        edit_menu_globopts = gtk.MenuItem("Global Settings")

        edit_menu_globopts.connect('activate', lambda x: PreferencesWindow().show())

        edit_menu.add(edit_menu_find)

        edit_menu.add(edit_menu_branchopts)

        edit_menu.add(edit_menu_globopts)

        view_menu = gtk.Menu()

        view_menuitem = gtk.MenuItem("_View")

        view_menuitem.set_submenu(view_menu)

        view_menu_refresh = self.refresh_action.create_menu_item()

        view_menu_refresh.connect('activate', self._refresh_clicked)

        view_menu.add(view_menu_refresh)

        view_menu.add(gtk.SeparatorMenuItem())

        view_menu_toolbar = gtk.CheckMenuItem("Show Toolbar")

        view_menu_toolbar.set_active(True)

        if self.config.get_user_option('viz-toolbar-visible') == 'False':

            view_menu_toolbar.set_active(False)

            self.toolbar.hide()

        view_menu_toolbar.connect('toggled', self._toolbar_visibility_changed)

        view_menu_compact = gtk.CheckMenuItem("Show Compact Graph")

        view_menu_compact.set_active(self.compact_view)

        view_menu_compact.connect('activate', self._brokenlines_toggled_cb)

        view_menu_diffs = gtk.CheckMenuItem("Show Diffs")

        view_menu_diffs.set_active(True)

        if self.config.get_user_option('viz-show-diffs') == 'False':

            view_menu_diffs.set_active(False)

        view_menu_diffs.connect('toggled', self._diff_visibility_changed)

        view_menu.add(view_menu_toolbar)

        view_menu.add(view_menu_compact)

        view_menu.add(view_menu_diffs)

        view_menu.add(gtk.SeparatorMenuItem())

        self.mnu_show_revno_column = gtk.CheckMenuItem("Show Revision _Number Column")

        self.mnu_show_date_column = gtk.CheckMenuItem("Show _Date Column")

        # Revision numbers are pointless if there are multiple branches

        if len(self.start_revs) > 1:

            self.mnu_show_revno_column.set_sensitive(False)

            self.treeview.set_property('revno-column-visible', False)

        for (col, name) in [(self.mnu_show_revno_column, "revno"), 

                            (self.mnu_show_date_column, "date")]:

            col.set_active(self.treeview.get_property(name + "-column-visible"))

            col.connect('toggled', self._col_visibility_changed, name)

            view_menu.add(col)

        go_menu = gtk.Menu()

        go_menu.set_accel_group(self.accel_group)

        go_menuitem = gtk.MenuItem("_Go")

        go_menuitem.set_submenu(go_menu)

        go_menu_next = self.next_rev_action.create_menu_item()

        go_menu_prev = self.prev_rev_action.create_menu_item()

        tag_image = gtk.Image()

        tag_image.set_from_file(icon_path("tag-16.png"))

        self.go_menu_tags = gtk.ImageMenuItem("_Tags")

        self.go_menu_tags.set_image(tag_image)

        self._update_tags()

        go_menu.add(go_menu_next)

        go_menu.add(go_menu_prev)

        go_menu.add(gtk.SeparatorMenuItem())

        go_menu.add(self.go_menu_tags)

        self.revision_menu = RevisionMenu(self.branch.repository, [], self.branch, parent=self)

        revision_menuitem = gtk.MenuItem("_Revision")

        revision_menuitem.set_submenu(self.revision_menu)

        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"))

        try:

            from bzrlib.plugins import search

        except ImportError:

            mutter("Didn't find search plugin")

        else:

            branch_menu.add(gtk.SeparatorMenuItem())

            branch_index_menuitem = gtk.MenuItem("_Index")

            branch_index_menuitem.connect('activate', self._branch_index_cb)

            branch_menu.add(branch_index_menuitem)

            branch_search_menuitem = gtk.MenuItem("_Search")

            branch_search_menuitem.connect('activate', self._branch_search_cb)

            branch_menu.add(branch_search_menuitem)

        help_menu = gtk.Menu()

        help_menuitem = gtk.MenuItem("_Help")

        help_menuitem.set_submenu(help_menu)

        help_about_menuitem = gtk.ImageMenuItem(gtk.STOCK_ABOUT, self.accel_group)

        help_about_menuitem.connect('activate', self._about_dialog_cb)

        help_menu.add(help_about_menuitem)

        menubar.add(file_menuitem)

        menubar.add(edit_menuitem)

        menubar.add(view_menuitem)

        menubar.add(go_menuitem)

        menubar.add(revision_menuitem)

        menubar.add(branch_menuitem)

        menubar.add(help_menuitem)

        menubar.show_all()

        return menubar

    def construct_top(self):

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

        # FIXME: Make broken_line_length configurable

        self.treeview = TreeView(self.branch, self.start_revs, self.maxnum, self.compact_view)

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

                self._treeselection_changed_cb)

        self.treeview.connect('revision-activated',

                self._tree_revision_activated)

        self.treeview.connect('tag-added', lambda w, t, r: self._update_tags())

        for col in ["revno", "date"]:

            option = self.config.get_user_option(col + '-column-visible')

            if option is not None:

                self.treeview.set_property(col + '-column-visible', option == 'True')

            else:

                self.treeview.set_property(col + '-column-visible', False)

        self.treeview.show()

        align = gtk.Alignment(0.0, 0.0, 1.0, 1.0)

        align.set_padding(5, 0, 0, 0)

        align.add(self.treeview)

        align.show()

        return align

    def construct_navigation(self):

        """Construct the navigation buttons."""

        self.toolbar = gtk.Toolbar()

        self.toolbar.set_style(gtk.TOOLBAR_BOTH_HORIZ)

        self.prev_button = self.prev_rev_action.create_tool_item()

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

        self.next_button = self.next_rev_action.create_tool_item()

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

        self.toolbar.insert(gtk.SeparatorToolItem(), -1)

        refresh_button = gtk.ToolButton(gtk.STOCK_REFRESH)

        refresh_button.connect('clicked', self._refresh_clicked)

        self.toolbar.insert(refresh_button, -1)

        self.toolbar.show_all()

        return self.toolbar

    def construct_bottom(self):

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

        self.bottom_hpaned = gtk.HPaned()

        (width, height) = self.get_size()

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

        from bzrlib.plugins.gtk.revisionview import RevisionView

        self.revisionview = RevisionView(branch=self.branch)

        self.revisionview.set_size_request(width/3, int(height / 2.5))

        self.revisionview.show()

        self.revisionview.set_show_callback(self._show_clicked_cb)

        self.revisionview.connect('notify::revision', self._go_clicked_cb)

        self.treeview.connect('tag-added', lambda w, t, r: self.revisionview.update_tags())

        self.bottom_hpaned.pack1(self.revisionview)

        from bzrlib.plugins.gtk.diff import DiffWidget

        self.diff = DiffWidget()

        self.bottom_hpaned.pack2(self.diff)

        self.bottom_hpaned.show_all()

        if self.config.get_user_option('viz-show-diffs') == 'False':

            self.diff.hide()

        return self.bottom_hpaned

    def _tag_selected_cb(self, menuitem, revid):

        self.treeview.set_revision_id(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()

        self.revision_menu.set_revision_ids([revision.revision_id])

        if revision and revision != NULL_REVISION:

            prev_menu = gtk.Menu()

            if len(parents) > 0:

                self.prev_rev_action.set_sensitive(True)

                for parent_id in parents:

                    if parent_id and parent_id != NULL_REVISION:

                        parent = self.branch.repository.get_revision(parent_id)

                        try:

                            str = ' (' + parent.properties['branch-nick'] + ')'

                        except KeyError:

                            str = ""

                        item = gtk.MenuItem(parent.message.split("\n")[0] + str)

                        item.connect('activate', self._set_revision_cb, parent_id)

                        prev_menu.add(item)

                prev_menu.show_all()

            else:

                self.prev_rev_action.set_sensitive(False)

                prev_menu.hide()

            self.prev_button.set_menu(prev_menu)

            next_menu = gtk.Menu()

            if len(children) > 0:

                self.next_rev_action.set_sensitive(True)

                for child_id in children:

                    child = self.branch.repository.get_revision(child_id)

                    try:

                        str = ' (' + child.properties['branch-nick'] + ')'

                    except KeyError:

                        str = ""

                    item = gtk.MenuItem(child.message.split("\n")[0] + str)

                    item.connect('activate', self._set_revision_cb, child_id)

                    next_menu.add(item)

                next_menu.show_all()

            else:

                self.next_rev_action.set_sensitive(False)

                next_menu.hide()

            self.next_button.set_menu(next_menu)

            self.revisionview.set_revision(revision)

            self.revisionview.set_children(children)

            self.update_diff_panel(revision, parents)

    def _tree_revision_activated(self, widget, path, col):

        # TODO: more than one parent

        """Callback for when a treeview row gets activated."""

        revision = self.treeview.get_revision()

        parents  = self.treeview.get_parents()

        if len(parents) == 0:

            parent_id = None

        else:

            parent_id = parents[0]

        self.show_diff(revision.revision_id, parent_id)

        self.treeview.grab_focus()

    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, w, p):

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

        if self.revisionview.get_revision() is not None:

            self.treeview.set_revision(self.revisionview.get_revision())

    def _show_clicked_cb(self, revid, parentid):

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

        self.show_diff(revid, parentid)

        self.treeview.grab_focus()

    def _set_revision_cb(self, w, revision_id):

        self.treeview.set_revision_id(revision_id)

    def _brokenlines_toggled_cb(self, button):

        self.compact_view = button.get_active()

        if self.compact_view:

            option = 'yes'

        else:

            option = 'no'

        self.config.set_user_option('viz-compact-view', option)

        self.treeview.set_property('compact', self.compact_view)

        self.treeview.refresh()

    def _branch_index_cb(self, w):

        from bzrlib.plugins.search import index as _mod_index

        _mod_index.index_url(self.branch.base)

    def _branch_search_cb(self, w):

        from bzrlib.plugins.gtk.search import SearchDialog

        dialog = SearchDialog(self.branch)

        if dialog.run() == gtk.RESPONSE_OK:

            self.set_revision(dialog.get_revision())

        dialog.destroy()

    def _about_dialog_cb(self, w):

        from bzrlib.plugins.gtk.about import AboutDialog

        AboutDialog().run()

    def _col_visibility_changed(self, col, property):

        self.config.set_user_option(property + '-column-visible', col.get_active())

        self.treeview.set_property(property + '-column-visible', col.get_active())

    def _toolbar_visibility_changed(self, col):

        if col.get_active():

            self.toolbar.show()

        else:

            self.toolbar.hide()

        self.config.set_user_option('viz-toolbar-visible', col.get_active())

    def _diff_visibility_changed(self, col):

        if col.get_active():

            self.diff.show()

        else:

            self.diff.hide()

        self.config.set_user_option('viz-show-diffs', str(col.get_active()))

        self.update_diff_panel()

    def _show_about_cb(self, w):

        dialog = AboutDialog()

        dialog.connect('response', lambda d,r: d.destroy())

        dialog.run()

    def _refresh_clicked(self, w):

        self.treeview.refresh()

    def _update_tags(self):

        menu = gtk.Menu()

        if self.branch.supports_tags():

            tags = self.branch.tags.get_tag_dict().items()

            tags.sort()

            tags.reverse()

            for tag, revid in tags:

                tag_image = gtk.Image()

                tag_image.set_from_file(icon_path('tag-16.png'))

                tag_item = gtk.ImageMenuItem(tag.replace('_', '__'))

                tag_item.set_image(tag_image)

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

                menu.add(tag_item)

            self.go_menu_tags.set_submenu(menu)

            self.go_menu_tags.set_sensitive(len(tags) != 0)

        else:

            self.go_menu_tags.set_sensitive(False)

        self.go_menu_tags.show_all()

    def show_diff(self, revid=None, parentid=None):

        """Open a new window to show a diff between the given revisions."""

        from bzrlib.plugins.gtk.diff import DiffWindow

        window = DiffWindow(parent=self)

        if parentid is None:

            parentid = NULL_REVISION

        rev_tree    = self.branch.repository.revision_tree(revid)

        parent_tree = self.branch.repository.revision_tree(parentid)

        description = revid + " - " + self.branch.nick

        window.set_diff(description, rev_tree, parent_tree)

        window.show()

    def update_diff_panel(self, revision=None, parents=None):

        """Show the current revision in the diff panel."""

        if self.config.get_user_option('viz-show-diffs') == 'False':

            return

        if not revision: # default to selected row

            revision = self.treeview.get_revision()

        if (not revision) or (revision == NULL_REVISION):

            return

        if not parents: # default to selected row's parents

            parents  = self.treeview.get_parents()

        if len(parents) == 0:

            parent_id = None

        else:

            parent_id = parents[0]

        rev_tree    = self.branch.repository.revision_tree(revision.revision_id)

        parent_tree = self.branch.repository.revision_tree(parent_id)

        self.diff.set_diff(rev_tree, parent_tree)

        self.diff.show_all()