[pitivi] track: add expanded property, ui.track: use expanded property to determine height

[Edward Hervey <edwardrv src gnome org>]

commit 09c49b66723448b148186a2af7e4eade36b02575
Author: Brandon Lewis <brandon_lewis berkeley edu>
Date:   Sun Mar 15 00:03:35 2009 -0700

    track: add expanded property, ui.track: use expanded property to determine height
---
 pitivi/timeline/timeline.py |    3 ++-
 pitivi/timeline/track.py    |   13 +++++++++++++
 pitivi/ui/common.py         |    7 +++++++
 pitivi/ui/timeline.py       |    1 -
 pitivi/ui/track.py          |    7 +++++--
 5 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index a9fb1e9..0ff1fa2 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -437,7 +437,8 @@ class Timeline(object ,Signallable):
     __signals__ = {
         'duration-changed': ['duration'],
         'track-added': ['track'],
-        'track-removed': ['track']
+        'track-removed': ['track'],
+        'track-order-changed' :[],
     }
 
     def __init__(self):
diff --git a/pitivi/timeline/track.py b/pitivi/timeline/track.py
index c858b1f..52d59cb 100644
--- a/pitivi/timeline/track.py
+++ b/pitivi/timeline/track.py
@@ -301,6 +301,7 @@ class Track(object, Signallable):
         'track-object-added': ['track_object'],
         'track-object-removed': ['track_object'],
         'max-priority-changed': ['track_object']
+        'expanded-changed': [],
     }
 
     def __init__(self, stream):
@@ -365,6 +366,18 @@ class Track(object, Signallable):
 
     max_priority = property(_getMaxPriority)
 
+    _expanded = True
+
+    def setExpanded(self, expanded):
+        if self._expanded != expanded:
+            self._expanded = expanded
+            self.emit("expanded-changed")
+
+    def getExpanded(self):
+        return self._expanded
+
+    expanded = property(getExpanded, setExpanded)
+
     __max_priority = 0
 
     @property
diff --git a/pitivi/ui/common.py b/pitivi/ui/common.py
new file mode 100644
index 0000000..b9c772a
--- /dev/null
+++ b/pitivi/ui/common.py
@@ -0,0 +1,7 @@
+from pitivi.settings import GlobalSettings
+
+GlobalSettings.addConfigSection("user-interface")
+LAYER_HEIGHT_EXPANDED = 50
+LAYER_HEIGHT_COLLAPSED = 10
+LAYER_SPACING = 5
+TRACK_SPACING = 5
diff --git a/pitivi/ui/timeline.py b/pitivi/ui/timeline.py
index 6c43c5a..53d7628 100644
--- a/pitivi/ui/timeline.py
+++ b/pitivi/ui/timeline.py
@@ -285,7 +285,6 @@ class Timeline(gtk.Table, Loggable, Zoomable):
         self.hadj.set_value(position)
         return False
 
-
 ## Timeline callbacks
 
     timeline = receiver()
diff --git a/pitivi/ui/track.py b/pitivi/ui/track.py
index 75ed2d6..f03da4c 100644
--- a/pitivi/ui/track.py
+++ b/pitivi/ui/track.py
@@ -1,7 +1,7 @@
 from pitivi.ui.zoominterface import Zoomable
 from pitivi.ui.trackobject import TrackObject
 from pitivi.receiver import receiver, handler
-from common import LAYER_HEIGHT_EXPANDED, LAYER_SPACING
+from common import LAYER_HEIGHT_EXPANDED, LAYER_HEIGHT_COLLAPSED, LAYER_SPACING
 import goocanvas
 
 class Track(goocanvas.Group, Zoomable):
@@ -18,7 +18,10 @@ class Track(goocanvas.Group, Zoomable):
 ## Properties
 
     def getHeight(self):
-        return (1 + self.max_priority) * (LAYER_HEIGHT_EXPANDED + LAYER_SPACING)
+        if self.track.expanded:
+            return (1 + self.max_priority) * (LAYER_HEIGHT_EXPANDED + LAYER_SPACING)
+        else:
+            return LAYER_HEIGHT_COLLAPSED + LAYER_SPACING
 
     height = property(getHeight)