From 7845d312396e3329ac9246d4c13e99cb623216d5 Mon Sep 17 00:00:00 2001
From: Jon Reid
Date: Tue, 27 Mar 2012 18:22:10 -0700
Subject: Timeline: Stability fixes for drag-and-drop and page switching.

---
 js/panels/Timeline/Layer.reel/Layer.js                 |  3 +++
 js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js | 16 ++++++----------
 js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js | 17 +++++++++++++----
 3 files changed, 22 insertions(+), 14 deletions(-)

(limited to 'js/panels')

diff --git a/js/panels/Timeline/Layer.reel/Layer.js b/js/panels/Timeline/Layer.reel/Layer.js
index 9cf321b1..c69f28b0 100644
--- a/js/panels/Timeline/Layer.reel/Layer.js
+++ b/js/panels/Timeline/Layer.reel/Layer.js
@@ -417,6 +417,9 @@ var Layer = exports.Layer = Montage.create(Component, {
 
     setData:{
         value:function(){
+        	if (typeof(this.layerData) === "undefined") {
+        		return;
+        	}
             this.layerName = this.layerData.layerName;
             this.layerID = this.layerData.layerID;
             this.arrLayerStyles = this.layerData.arrLayerStyles;
diff --git a/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js b/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
index cb133f58..a82d3373 100644
--- a/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
+++ b/js/panels/Timeline/TimelinePanel.reel/TimelinePanel.js
@@ -294,17 +294,13 @@ var TimelinePanel = exports.TimelinePanel = Montage.create(Component, {
     		if (newVal !== this._dropLayerID) {
     			this._dropLayerID = newVal;
     			
-    			// Create a snapshot of arrLayers so we can manipulate it safely
-    			var arrLayers = this.arrLayers,
-    				dragLayerIndex = this.getLayerIndexByID(this.dragLayerID),
+    			var dragLayerIndex = this.getLayerIndexByID(this.dragLayerID),
     				dropLayerIndex = this.getLayerIndexByID(this.dropLayerID),
-    				dragLayer = arrLayers[dragLayerIndex];
-    			
-    			arrLayers.splice(dragLayerIndex, 1);
-    			arrLayers.splice(dropLayerIndex, 0, dragLayer);
-    			
-    			// Update the repetition!
-    			this.arrLayers = arrLayers;
+    				dragLayer = this.arrLayers[dragLayerIndex];
+
+    			this.arrLayers.splice(dragLayerIndex, 1);
+    			this.arrLayers.splice(dropLayerIndex, 0, dragLayer);
+    			this.application.ninja.currentDocument.tlArrLayers = this.arrLayers;
     			
     			// Clear for future DnD
     			this._dropLayerID = null;
diff --git a/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js b/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
index 5e9868f0..978b239f 100644
--- a/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
+++ b/js/panels/Timeline/TimelineTrack.reel/TimelineTrack.js
@@ -381,6 +381,9 @@ var TimelineTrack = exports.TimelineTrack = Montage.create(Component, {
 
     setData:{
         value:function(){
+        	if (typeof(this.trackData) === "undefined") {
+        		return;
+        	}
             this.bypassAnimation = this.trackData.bypassAnimation;
             this.trackID = this.trackData.layerID;
             this.tweens = this.trackData.tweens;
@@ -439,9 +442,12 @@ var TimelineTrack = exports.TimelineTrack = Montage.create(Component, {
         value:function () {
             this.ninjaStylesContoller = this.application.ninja.stylesController;
             var selectedIndex = this.application.ninja.timeline.getLayerIndexByID(this.trackID);
-            if(this.application.ninja.timeline.arrLayers[selectedIndex].layerData.elementsList[0]){
-                this.animatedElement = this.application.ninja.timeline.arrLayers[selectedIndex].layerData.elementsList[0];
+            if (selectedIndex !== false) {
+	            if(this.application.ninja.timeline.arrLayers[selectedIndex].layerData.elementsList[0]){
+	                this.animatedElement = this.application.ninja.timeline.arrLayers[selectedIndex].layerData.elementsList[0];
+	            }
             }
+
         }
     },
 
@@ -450,9 +456,12 @@ var TimelineTrack = exports.TimelineTrack = Montage.create(Component, {
             if (!this.application.ninja.documentController.creatingNewFile) {
                 if (this.application.ninja.currentDocument.documentRoot.children[0]) {
                     var selectedIndex = this.application.ninja.timeline.getLayerIndexByID(this.trackID);
-                    if (!this.application.ninja.timeline.arrLayers[selectedIndex].layerData.created) {
-                        this.retrieveStoredTweens();
+                    if (selectedIndex !== false) {
+	                    if (!this.application.ninja.timeline.arrLayers[selectedIndex].layerData.created) {
+	                        this.retrieveStoredTweens();
+	                    }
                     }
+
                 }
             }
         }
-- 
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