"close others" extension added to default extensions directory.

src/document/DocumentCommandHandlers.js

@@ -917,12 +917,17 @@ define(function (require, exports, module) {
             promptOnly = commandData && commandData.promptOnly;
 
         var unsavedDocs = [];
-        DocumentManager.getWorkingSet().forEach(function (file) {
-            var doc = DocumentManager.getOpenDocumentForPath(file.fullPath);
-            if (doc && doc.isDirty) {
-                unsavedDocs.push(doc);
-            }
-        });
+
+        if (commandData.unsavedDocs) {
+            unsavedDocs = commandData.unsavedDocs;
+        } else {
+            DocumentManager.getWorkingSet().forEach(function (file) {
+                var doc = DocumentManager.getOpenDocumentForPath(file.fullPath);
+                if (doc && doc.isDirty) {
+                    unsavedDocs.push(doc);
+                }
+            });
+        }
 
         if (unsavedDocs.length === 0) {
             // No unsaved changes, so we can proceed without a prompt

src/extensions/default/CloseOthers/main.js

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2013 Adobe Systems Incorporated. All rights reserved.
+ *  
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"), 
+ * to deal in the Software without restriction, including without limitation 
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the 
+ * Software is furnished to do so, subject to the following conditions:
+ *  
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *  
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+ * DEALINGS IN THE SOFTWARE.
+ * 
+ */
+
+/*jslint vars: true, plusplus: true, devel: true, nomen: true, regexp: true, indent: 4, maxerr: 50 */
+/*global define, $, brackets, window, document */
+
+define(function (require, exports, module) {
+    "use strict";
+
+    var Menus             = brackets.getModule("command/Menus"),
+        CommandManager    = brackets.getModule("command/CommandManager"),
+        Commands          = brackets.getModule("command/Commands"),
+        dm                = brackets.getModule("document/DocumentManager"),
+        settings          = JSON.parse(require("text!settings.json")),
+        working_set_cmenu = Menus.getContextMenu(Menus.ContextMenuIds.WORKING_SET_MENU);
+
+    function handleClose(mode) {
+
+        var targetIndex = dm.findInWorkingSet(dm.getCurrentDocument().file.fullPath),
+            workingSet   = dm.getWorkingSet().slice(0),
+            start = (mode === "close_below") ? (targetIndex + 1) : 0,
+            end   = (mode === "close_above") ? (targetIndex) : (workingSet.length),
+            unsavedDocs = [],
+            doc,
+            i;
+
+        if (mode === "close_others") {
+            end--;
+            workingSet.splice(targetIndex, 1);
+        }
+
+        for (i = start; i < end; i++) {
+            doc = dm.getOpenDocumentForPath(workingSet[i].fullPath);
+
+            if (doc && doc.isDirty) {
+                unsavedDocs.push(doc);
+            }
+        }
+
+        CommandManager.execute(Commands.FILE_CLOSE_ALL, {promptOnly: true, unsavedDocs: unsavedDocs}).done(function () {
+            for (i = start; i < end; i++) {
+                dm.removeFromWorkingSet(workingSet[i]);
+            }
+        });
+    }
+
+    if (settings.close_below) {
+        CommandManager.register("Close Others Below", "file.close_below", function () {
+            handleClose("close_below");
+        });
+        working_set_cmenu.addMenuItem("file.close_below", "", Menus.AFTER, Commands.FILE_CLOSE);
+    }
+
+    if (settings.close_others) {
+        CommandManager.register("Close Others", "file.close_others", function () {
+            handleClose("close_others");
+        });
+        working_set_cmenu.addMenuItem("file.close_others", "", Menus.AFTER, Commands.FILE_CLOSE);
+    }
+
+    if (settings.close_above) {
+        CommandManager.register("Close Others Above", "file.close_above", function () {
+            handleClose("close_above");
+        });
+        working_set_cmenu.addMenuItem("file.close_above", "", Menus.AFTER, Commands.FILE_CLOSE);
+    }
+});

src/extensions/default/CloseOthers/settings.json

@@ -0,0 +1,5 @@
+{
+    "close_others": true,
+    "close_above": false,
+    "close_below": false
+}