added methods for disable all buttons and disable except one for buttons collections

src/panels/model/Buttons.js

@@ -38,5 +38,39 @@ module.exports = Backbone.Collection.extend({
       }
     });
   },
+  
+  /**
+   * Disables all buttons
+   * @param  {String}  ctx Context string
+   *
+   * @return  void
+   * */
+  disableAllButtons(ctx) {
+    var context = ctx || '';
+    this.forEach((model, index) => {
+      if( model.get('context') == context ){
+        model.set('disable', true);
+        if(model.get('buttons').length)
+          model.get('buttons').disableAllButtons(context);
+      }
+    });
+  },
+
+  /**
+   * Disables all buttons, except one passed
+   * @param  {Object}  except  Model to ignore
+   * @param  {Boolean}  r     Recursive flag
+   *
+   * @return  void
+   * */
+  disableAllButtonsExceptOne(except, r) {
+    this.forEach((model, index) => {
+      if(model !== except){
+        model.set('disable', true);
+        if(r && model.get('buttons').length)
+          model.get('buttons').disableAllButtonsExceptOne(except,r);
+      }
+    });
+  },
 
 });

test/specs/panels/model/PanelModels.js

@@ -73,6 +73,24 @@ module.exports = {
         obj.deactivateAllExceptOne(btn);
         expect(obj.at(0).get('active')).toEqual(true);
       });
+      
+      it('Disable all buttons', () => {
+        obj.add({ disable: false });
+        obj.disableAllButtons();
+        expect(obj.at(0).get('disable')).toEqual(true);
+      });
+
+      it('Disables buttons with context', () => {
+        obj.add({ disable: false, context: 'someContext' });
+        obj.disableAllButtons('someContext');
+        expect(obj.at(0).get('disable')).toEqual(true);
+      });
+
+      it('Disables except one', () => {
+        var btn = obj.add({ disable: false });
+        obj.disableAllButtonsExceptOne(btn);
+        expect(obj.at(0).get('disable')).toEqual(false);
+      });
 
     });