Add api support for salesforce

configs/client-default.js

@@ -721,6 +721,8 @@ module.exports = function(options) {
         
         "plugins/c9.ide.test.mocha/mocha",
         
+        "plugins/salesforce.sync/package.editor",
+        
         // git integration
         "plugins/c9.ide.scm/scm",
         "plugins/c9.ide.scm/scmpanel",

plugins/c9.ide.editors/tab.js

@@ -259,12 +259,19 @@ define(function(require, module, exports) {
                         return;
                     }
                     
+                    var currentValue = plugin.document.value;
+            
                     editorType = type;
                     amlTab.setAttribute("type", "editor::" + type);
                     
                     if (amlPane.getPage() == amlTab) {
                         amlPane.activepage = -1;
                         amlPane.set(amlTab);
+                        
+                        plugin.document.value = currentValue;
+                        // TODO undo managers for different editors conflict
+                        // however, resetting removes changed state
+                        // plugin.document.undoManager.reset();
                     }
                     
                     callback();

plugins/c9.ide.editors/undomanager.js

@@ -25,6 +25,7 @@ define(function(require, module, exports) {
                     return false;
                 
                 var item = stack[position];
+                if (!item) return;
                 if (!item.undo)
                     item = stack[position] = findItem(item);
                 position--;
@@ -43,6 +44,7 @@ define(function(require, module, exports) {
                 
                 position++;
                 var item = stack[position];
+                if (!item) return;
                 if (!item.redo)
                     item = stack[position] = findItem(item);
                 item.redo();
@@ -119,7 +121,7 @@ define(function(require, module, exports) {
                     stack: stack
                         .filter(function(item){ return item; })
                         .map(function(item) {
-                            return item.getState ? item.getState() : item;
+                            return item && item.getState ? item.getState() : item;
                         })
                 };
             }
@@ -141,7 +143,7 @@ define(function(require, module, exports) {
                 return emit("itemFind", { state: compressedItem });
             }
             
-            function reset(){
+            function reset(keepChange){
                 if (position == -1)
                     return;
 

plugins/c9.ide.ui/forms.js

@@ -456,6 +456,7 @@ define(function(require, exports, module) {
                         case "dropdown":
                             var dropdown = el.lastChild;
                             
+                            if (item.items) {
                                 var data = item.items.map(function(item) {
                                     return "<item value='" + item.value 
                                       + "'><![CDATA[" + item.caption + "]]></item>";
@@ -471,6 +472,10 @@ define(function(require, exports, module) {
                                         });
                                     });
                                 }
+                            }
+                            else if (item.value) {
+                                dropdown.setAttribute("value", item.value);
+                            }
                         break;
                         default:
                             if ("value" in item)