adobe
diff --git a/‎src/document/Document.js
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+55-6Lines changed: 55 additions & 6 deletions b/‎src/document/Document.js
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+55-6Lines changed: 55 additions & 6 deletions
diff --git a/‎src/document/DocumentCommandHandlers.js
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+6-3Lines changed: 6 additions & 3 deletions b/‎src/document/DocumentCommandHandlers.js
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+6-3Lines changed: 6 additions & 3 deletions
diff --git a/‎src/document/DocumentManager.js
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+3Lines changed: 3 additions & 0 deletions b/‎src/document/DocumentManager.js
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+3Lines changed: 3 additions & 0 deletions
diff --git a/‎src/editor/Editor.js
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+26Lines changed: 26 additions & 0 deletions b/‎src/editor/Editor.js
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+26Lines changed: 26 additions & 0 deletions
diff --git a/‎src/editor/EditorManager.js
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+3-5Lines changed: 3 additions & 5 deletions b/‎src/editor/EditorManager.js
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+3-5Lines changed: 3 additions & 5 deletions
diff --git a/‎src/project/FileViewController.js
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+16-2Lines changed: 16 additions & 2 deletions b/‎src/project/FileViewController.js
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+16-2Lines changed: 16 additions & 2 deletions
diff --git a/‎src/project/WorkingSetView.js
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+1-1Lines changed: 1 addition & 1 deletion b/‎src/project/WorkingSetView.js
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+1-1Lines changed: 1 addition & 1 deletion
@@ -83,6 +83,11 @@ define(function (require, exports, module) {
 
     EventDispatcher.makeEventDispatcher(Document.prototype);
 
+    /**
+     * List of editors which were initialized as master editors for this doc.
+     */
+    Document.prototype._associatedFullEditors = [];
+    
     /**
      * Number of clients who want this Document to stay alive. The Document is listed in
      * DocumentManager._openDocuments whenever refCount > 0.
@@ -196,12 +201,16 @@ define(function (require, exports, module) {
      */
     Document.prototype._makeEditable = function (masterEditor) {
         if (this._masterEditor) {
-            console.error("Document is already editable");
-        } else {
-            this._text = null;
-            this._masterEditor = masterEditor;
-            masterEditor.on("change", this._handleEditorChange.bind(this));
+            //Already a master editor is associated , so preserve the old editor in list of full editors
+            if (this._associatedFullEditors.indexOf(this._masterEditor) < 0) {
+                this._associatedFullEditors.push(this._masterEditor);
+            }
         }
+        
+        this._text = null;
+        this._masterEditor = masterEditor;
+        
+        masterEditor.on("change", this._handleEditorChange.bind(this));
     };
 
     /**
@@ -215,7 +224,42 @@ define(function (require, exports, module) {
         } else {
             // _text represents the raw text, so fetch without normalized line endings
             this._text = this.getText(true);
-            this._masterEditor = null;
+            this._associatedFullEditors.splice(this._associatedFullEditors.indexOf(this._masterEditor), 1);
+            
+            // Identify the most recently created full editor before this and set that as new master editor
+            if (this._associatedFullEditors.length > 0) {
+                this._masterEditor = this._associatedFullEditors[this._associatedFullEditors.length - 1];
+            } else {
+                this._masterEditor = null;
+            }
+        }
+    };
+    
+    /**
+     * Toggles the master editor which has gained focus from a pool of full editors 
+     * To be used internally by Editor only 
+     */
+    Document.prototype._toggleMasterEditor = function (masterEditor) {
+        // Do a check before processing the request to ensure inline editors are not being set as master editor
+        if (this._associatedFullEditors.indexOf(masterEditor) >= 0) {
+            if (this._masterEditor) {
+                // Already a master editor is associated , so preserve the old editor in list of editors
+                if (this._associatedFullEditors.indexOf(this._masterEditor) < 0) {
+                    this._associatedFullEditors.push(this._masterEditor);
+                }
+            }
+            this._masterEditor = masterEditor;
+        }
+    };
+    
+    /**
+     * Disassociates an editor from this document if present in the associated editor list
+     * To be used internally by Editor only when destroyed and not the current master editor for the document
+     */
+    Document.prototype._disassociateEditor = function (editor) {
+        // Do a check before processing the request to ensure inline editors are not being handled
+        if (this._associatedFullEditors.indexOf(editor) >= 0) {
+            this._associatedFullEditors.splice(this._associatedFullEditors.indexOf(editor), 1);
         }
     };
 
@@ -409,6 +453,11 @@ define(function (require, exports, module) {
      * @private
      */
     Document.prototype._handleEditorChange = function (event, editor, changeList) {
+        // Handle editor change event only when it is originated from the master editor for this doc
+        if (this._masterEditor !== editor) {
+            return;
+        }
+        
         // TODO: This needs to be kept in sync with SpecRunnerUtils.createMockActiveDocument(). In the
         // future, we should fix things so that we either don't need mock documents or that this
         // is factored so it will just run in both.
 
@@ -1115,13 +1115,15 @@ define(function (require, exports, module) {
         var file,
             promptOnly,
             _forceClose,
+            _spawnedRequest,
             paneId = MainViewManager.ACTIVE_PANE;
 
         if (commandData) {
             file        = commandData.file;
             promptOnly  = commandData.promptOnly;
             _forceClose = commandData._forceClose;
             paneId      = commandData.paneId || paneId;
+            _spawnedRequest = commandData.spawnedRequest || false;
         }
 
         // utility function for handleFileClose: closes document & removes from workingset
@@ -1146,8 +1148,9 @@ define(function (require, exports, module) {
 
         var doc = DocumentManager.getOpenDocumentForPath(file.fullPath);
 
-        if (doc && doc.isDirty && !_forceClose) {
-            // Document is dirty: prompt to save changes before closing
+        if (doc && doc.isDirty && !_forceClose && (MainViewManager.isExclusiveToPane(doc.file, paneId) || _spawnedRequest)) {
+            // Document is dirty: prompt to save changes before closing if only the document is exclusively
+            // listed in the requested pane or this is part of a list close request
             var filename = FileUtils.getBaseName(doc.file.fullPath);
 
             Dialogs.showModalDialog(
@@ -1245,7 +1248,7 @@ define(function (require, exports, module) {
 
         } else if (unsavedDocs.length === 1) {
             // Only one unsaved file: show the usual single-file-close confirmation UI
-            var fileCloseArgs = { file: unsavedDocs[0].file, promptOnly: promptOnly };
+            var fileCloseArgs = { file: unsavedDocs[0].file, promptOnly: promptOnly, spawnedRequest: true };
 
             handleFileClose(fileCloseArgs).done(function () {
                 // still need to close any other, non-unsaved documents
 
@@ -586,6 +586,9 @@ define(function (require, exports, module) {
             exports.trigger("documentRefreshed", doc);
         })
         .on("_dirtyFlagChange", function (event, doc) {
+            // Modules listening on the doc instance notified about dirtyflag change
+            // To be used internally by Editor
+            doc.trigger("_dirtyFlagChange", doc);
             exports.trigger("dirtyFlagChange", doc);
             if (doc.isDirty) {
                 MainViewManager.addToWorkingSet(MainViewManager.ACTIVE_PANE, doc.file);
 
@@ -80,6 +80,7 @@ define(function (require, exports, module) {
         TokenUtils         = require("utils/TokenUtils"),
         ValidationUtils    = require("utils/ValidationUtils"),
         ViewUtils          = require("utils/ViewUtils"),
+        MainViewManager    = require("view/MainViewManager"),
         _                  = require("thirdparty/lodash");
 
     /** Editor preferences */
@@ -310,9 +311,12 @@ define(function (require, exports, module) {
         this._handleDocumentChange = this._handleDocumentChange.bind(this);
         this._handleDocumentDeleted = this._handleDocumentDeleted.bind(this);
         this._handleDocumentLanguageChanged = this._handleDocumentLanguageChanged.bind(this);
+        this._doWorkingSetSync = this._doWorkingSetSync.bind(this);
         document.on("change", this._handleDocumentChange);
         document.on("deleted", this._handleDocumentDeleted);
         document.on("languageChanged", this._handleDocumentLanguageChanged);
+        // To sync working sets if the view is for same doc across panes
+        document.on("_dirtyFlagChange", this._doWorkingSetSync);
 
         var mode = this._getModeFromDocument();
 
@@ -325,6 +329,9 @@ define(function (require, exports, module) {
 
         this._$messagePopover = null;
 
+        // To track which pane the editor is being attached to if it's a full editor
+        this._paneId = null;
+        
         // Editor supplies some standard keyboard behavior extensions of its own
         var codeMirrorKeyMap = {
             "Tab": function () { self._handleTabKey(); },
@@ -449,6 +456,20 @@ define(function (require, exports, module) {
     EventDispatcher.makeEventDispatcher(Editor.prototype);
     EventDispatcher.markDeprecated(Editor.prototype, "keyEvent", "'keydown/press/up'");
 
+    Editor.prototype.markPaneId = function (paneId) {
+        this._paneId = paneId;
+        // In case this Editor is initialized not as the first full editor for the document 
+        // and the document is already dirty and present in another working set, make sure 
+        // to add this documents to the new panes working set.
+        this._doWorkingSetSync(null, this.document);
+    };
+    
+    Editor.prototype._doWorkingSetSync = function (event, doc) {
+        if (doc === this.document && this._paneId && this.document.isDirty) {
+            MainViewManager.addToWorkingSet(this._paneId, this.document.file, -1, false);
+        }
+    };
+    
     /**
      * Removes this editor from the DOM and detaches from the Document. If this is the "master"
      * Editor that is secretly providing the Document's backing state, then the Document reverts to
@@ -468,6 +489,7 @@ define(function (require, exports, module) {
         this.document.off("change", this._handleDocumentChange);
         this.document.off("deleted", this._handleDocumentDeleted);
         this.document.off("languageChanged", this._handleDocumentLanguageChanged);
+        this.document.off("_dirtyFlagChange", this._doWorkingSetSync);
 
         if (this._visibleRange) {   // TextRange also refs the Document
             this._visibleRange.dispose();
@@ -476,6 +498,8 @@ define(function (require, exports, module) {
         // If we're the Document's master editor, disconnecting from it has special meaning
         if (this.document._masterEditor === this) {
             this.document._makeNonEditable();
+        } else {
+            this.document._disassociateEditor(this);
         }
 
         // Destroying us destroys any inline widgets we're hosting. Make sure their closeCallbacks
@@ -961,6 +985,8 @@ define(function (require, exports, module) {
         this._codeMirror.on("focus", function () {
             self._focused = true;
             self.trigger("focus", self);
+            // Set this full editor as master editor for the document
+            self.document._toggleMasterEditor(self);
         });
 
         this._codeMirror.on("blur", function () {
 
@@ -542,7 +542,9 @@ define(function (require, exports, module) {
         var createdNewEditor = false,
             editor = document._masterEditor;
 
-        if (!editor) {
+        //Check if a master editor is not set already or the current master editor doesn't belong 
+        //to the pane container requested - to support creation of multiple full editors
+        if (!editor || editor._paneId !== pane.id) {
             // Performance (see #4757) Chrome wastes time messing with selection
             // that will just be changed at end, so clear it for now
             if (window.getSelection && window.getSelection().empty) {  // Chrome
@@ -552,10 +554,6 @@ define(function (require, exports, module) {
             // Editor doesn't exist: populate a new Editor with the text
             editor = _createFullEditorForDocument(document, pane, editorOptions);
             createdNewEditor = true;
-        } else if (editor.$el.parent()[0] !== pane.$content[0]) {
-            // editor does exist but is not a child of the pane so add it to the 
-            //  pane (which will switch the view's container as well)
-            pane.addView(editor);
         }
 
         // show the view
 
@@ -22,7 +22,7 @@
  */
 
 /*jslint vars: true, plusplus: true, devel: true, nomen: true, indent: 4, maxerr: 50 */
-/*global define, $ */
+/*global define, $, event */
 
 /**
  * Responsible for coordinating file selection between views by permitting only one view
@@ -148,6 +148,19 @@ define(function (require, exports, module) {
     function openAndSelectDocument(fullPath, fileSelectionFocus, paneId) {
         var result,
             curDocChangedDueToMe = _curDocChangedDueToMe;
+        
+        function _getDerivedPaneContext() {
+            
+            function _secondPaneContext() {
+                return (event.ctrlKey || event.metaKey) && event.altKey ? MainViewManager.SECOND_PANE : null;
+            }
+            
+            function _firstPaneContext() {
+                return (event.ctrlKey || event.metaKey) ? MainViewManager.FIRST_PANE : null;
+            }
+            
+            return _secondPaneContext() || _firstPaneContext();
+        }
 
         if (fileSelectionFocus !== PROJECT_MANAGER && fileSelectionFocus !== WORKING_SET_VIEW) {
             console.error("Bad parameter passed to FileViewController.openAndSelectDocument");
@@ -160,8 +173,9 @@ define(function (require, exports, module) {
         _curDocChangedDueToMe = true;
 
         _fileSelectionFocus = fileSelectionFocus;
+        
 
-        paneId = (paneId || MainViewManager.ACTIVE_PANE);
+        paneId = (paneId || _getDerivedPaneContext() || MainViewManager.ACTIVE_PANE);
 
         // If fullPath corresonds to the current doc being viewed then opening the file won't
         // trigger a currentFileChange event, so we need to trigger a documentSelectionFocusChange 
 
@@ -765,7 +765,7 @@ define(function (require, exports, module) {
                         if (tryClosing || e.which === MIDDLE_BUTTON) {
                             CommandManager
                                 .execute(Commands.FILE_CLOSE, {file: sourceFile,
-                                                               paneId: sourceView.paneId})
+                                                           paneId: sourceView.paneId})
                                 .always(function () {
                                     postDropCleanup();
                                 });