[pitivi] timeline: Implement a copy/paste feature

[Thibault Saunier <tsaunier src gnome org>]

commit b9a3f20946307b6b1468ccbe405ce2e7bb677128
Author: Thibault Saunier <tsaunier gnome org>
Date:   Fri Jul 3 11:05:23 2015 +0200

    timeline: Implement a copy/paste feature

 data/ui/timelinecontainer.xml |    8 ++++++--
 pitivi/timeline/timeline.py   |   22 ++++++++++++++++++++++
 2 files changed, 28 insertions(+), 2 deletions(-)
---
diff --git a/data/ui/timelinecontainer.xml b/data/ui/timelinecontainer.xml
index 550c81d..46d93f7 100644
--- a/data/ui/timelinecontainer.xml
+++ b/data/ui/timelinecontainer.xml
@@ -6,7 +6,9 @@
       <toolitem action="DeleteObj" />
       <toolitem action="GroupObj" />
       <toolitem action="UngroupObj" />
-      <toolitem action="AlignObj" />
+      <toolitem action="Copy" />
+      <toolitem action="Paste" />
+      <!-- <toolitem action="AlignObj" /> -->
     </placeholder>
   </toolbar>
   <accelerator action="ZoomIn" />
@@ -19,7 +21,9 @@
   <accelerator action="DeleteObj" />
   <accelerator action="UngroupObj" />
   <accelerator action="GroupObj" />
-  <accelerator action="AlignObj" />
+  <accelerator action="Copy" />
+  <accelerator action="Paste" />
+  <!-- <accelerator action="AlignObj" /> -->
 
   <accelerator action="PlayPause" />
   <accelerator action="Split" />
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 3537211..03f4d1e 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -25,6 +25,7 @@ import os
 from gettext import gettext as _
 
 from gi.repository import GES
+from gi.repository import Gio
 from gi.repository import GLib
 from gi.repository import Gdk
 from gi.repository import Gst
@@ -1360,6 +1361,12 @@ class TimelineContainer(Gtk.Grid, Zoomable, Loggable):
             ("GroupObj", "pitivi-group", _("Group"),
              "<Control>G", _("Group clips"), self._groupSelected),
 
+            ("Copy", "copy", _("Copy"),
+             "<Control>c", _("Copy clips"), self.__copyClipsCb),
+
+            ("Paste", "paste", _("Paste"),
+             "<Control>v", _("Paste clips"), self.__pasteClipsCb),
+
             # TODO: Fix the align feature.
             # ("AlignObj", "pitivi-align", _("Align"),
             #  "<Shift><Control>A", _("Align clips based on their soundtracks"), self._alignSelected),
@@ -1389,6 +1396,9 @@ class TimelineContainer(Gtk.Grid, Zoomable, Loggable):
         self.playhead_actions.add_actions(playhead_actions)
         self.ui_manager.insert_action_group(self.playhead_actions, -1)
 
+        self.selection_actions.get_action("Copy").set_gicon(Gio.Icon.new_for_string("edit-copy"))
+        self.selection_actions.get_action("Paste").set_gicon(Gio.Icon.new_for_string("edit-paste"))
+
     def _setBestZoomRatio(self, allow_zoom_in=False):
         """
         Set the zoom level so that the entire timeline is in view.
@@ -1520,6 +1530,18 @@ class TimelineContainer(Gtk.Grid, Zoomable, Loggable):
             self._project.pipeline.commit_timeline()
             self.app.action_log.commit()
 
+    def __copyClipsCb(self, unused_action):
+        if self.timeline.current_group:
+            self.__copiedGroup = self.timeline.current_group.copy(True)
+
+    def __pasteClipsCb(self, unused_action):
+        if self.__copiedGroup:
+            save = self.__copiedGroup.copy(True)
+            position = self._project.pipeline.getPosition()
+            self.__copiedGroup.paste(position)
+            self.__copiedGroup = save
+            self._project.pipeline.commit_timeline()
+
     def _alignSelected(self, unused_action):
         if not self.bTimeline:
             self.error(