From 16a917a5a8ca4ded74b235a91ae8a750d435e059 Mon Sep 17 00:00:00 2001
From: Richard Fairhurst <richard@systemed.net>
Date: Sat, 13 Nov 2010 10:46:51 +0000
Subject: [PATCH] don't show tag editor when multiple items are selected

---
 net/systemeD/potlatch2/EditController.as      |  7 +--
 .../potlatch2/RelationEditorPanel.mxml        |  2 +-
 net/systemeD/potlatch2/TagViewer.mxml         | 57 +++++++++++--------
 3 files changed, 38 insertions(+), 28 deletions(-)

diff --git a/net/systemeD/potlatch2/EditController.as b/net/systemeD/potlatch2/EditController.as
index 9e51c7b2..e27b05d9 100644
--- a/net/systemeD/potlatch2/EditController.as
+++ b/net/systemeD/potlatch2/EditController.as
@@ -57,11 +57,10 @@ package net.systemeD.potlatch2 {
             return _connection;
         }
         
-        public function updateSelectionUI():void {
-			var entity:Entity=state.firstSelected;
-            tagViewer.setEntity(entity);
+		public function updateSelectionUI():void {
+			tagViewer.setEntity(state.selection);
 			toolbox.updateSelectionUI();
-        }
+		}
         
         private function keyDownHandler(event:KeyboardEvent):void {
 			keys[event.keyCode]=true;
diff --git a/net/systemeD/potlatch2/RelationEditorPanel.mxml b/net/systemeD/potlatch2/RelationEditorPanel.mxml
index 9c602f62..1f33cfee 100644
--- a/net/systemeD/potlatch2/RelationEditorPanel.mxml
+++ b/net/systemeD/potlatch2/RelationEditorPanel.mxml
@@ -24,7 +24,7 @@
 
         public function checkRelation():void {
             if ( _relation != null )
-                tagViewer.setEntity(_relation);
+                tagViewer.setEntity([_relation]);
         }
     ]]></mx:Script>	
 </mx:TitleWindow>
diff --git a/net/systemeD/potlatch2/TagViewer.mxml b/net/systemeD/potlatch2/TagViewer.mxml
index 1a57bfe7..deabda71 100644
--- a/net/systemeD/potlatch2/TagViewer.mxml
+++ b/net/systemeD/potlatch2/TagViewer.mxml
@@ -120,6 +120,10 @@
 			enabled="{editorStack is SuperTabNavigator &amp;&amp; stack.selectedIndex==0}" />
 	  </mx:HBox>
   </mx:VBox>
+
+  <mx:VBox id="multiplePanel" width="100%" height="100%" horizontalScrollPolicy="off" styleName="dndPanelVbox">
+    <mx:Text id="multiplePanelText" text="You have selected multiple items." width="100%" styleName="helpInfo" />
+  </mx:VBox>
 </mx:ViewStack>
 
   <mx:Script><![CDATA[
@@ -150,29 +154,36 @@
       private var tw:CategorySelector = null;
       private var feature:Feature = null;
 
-      public function setEntity(entity:Entity):void {
-          UIComponent.suspendBackgroundProcessing();
-          if ( selectedEntity != entity ) {
-              if ( selectedEntity != null )
-                  selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
-              selectedEntity = entity;
-              if ( selectedEntity != null )
-                  selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged);
-          }
-
-          if ( advancedID != null )
-              setupAdvanced(entity);
-          if (entity is Relation) {
-              stack.addChild(membersVBox);
-          }
-          refreshFeatureIcon(); 
-          if (selectedEntity == null) {
-            sidebar.selectedChild = dndPanel;
-          } else {
-            initialiseEditors();
-            sidebar.selectedChild = tagsPanel;
-          }
-          UIComponent.resumeBackgroundProcessing();
+	  public function setEntity(entities:Array):void {
+		UIComponent.suspendBackgroundProcessing();
+		
+		var firstSelected:Entity=null;
+		if (entities.length==1) { firstSelected=entities[0]; }
+		
+		if (selectedEntity!=firstSelected && selectedEntity!=null) {
+			selectedEntity.removeEventListener(Connection.TAG_CHANGED, tagChanged);
+		}
+		
+		if (entities.length==0) {
+			// Nothing selected, so show drag-and-drop panel
+			sidebar.selectedChild = dndPanel;
+		
+		} else if (entities.length==1) {
+			// Single entity selected, so show tag panel
+			selectedEntity=firstSelected;
+			if (selectedEntity!=null) { selectedEntity.addEventListener(Connection.TAG_CHANGED, tagChanged); }
+			if (advancedID!=null) { setupAdvanced(firstSelected); }
+			if (firstSelected is Relation) { stack.addChild(membersVBox); }
+			refreshFeatureIcon(); 
+			initialiseEditors();
+			sidebar.selectedChild = tagsPanel;
+		
+		} else {
+			// Multiple selection, so for now show a largely blank panel/
+			// ** TODO - proper multiple selection tagging
+			sidebar.selectedChild = multiplePanel;
+		}
+		UIComponent.resumeBackgroundProcessing();
       }
 
       private function refreshFeatureIcon():void {
-- 
2.30.0