Merge "RCFilters: Don't reload the list if the change was highlights-only"
[lhc/web/wiklou.git] / resources / src / mediawiki.rcfilters / mw.rcfilters.Controller.js
index 28b94e4..d519648 100644 (file)
         * Reset to default filters
         */
        mw.rcfilters.Controller.prototype.resetToDefaults = function () {
-               this.filtersModel.updateStateFromParams( this._getDefaultParams() );
-
-               this.updateChangesList();
+               if ( this.applyParamChange( this._getDefaultParams() ) ) {
+                       // Only update the changes list if there was a change to actual filters
+                       this.updateChangesList();
+               }
        };
 
        /**
         * Empty all selected filters
         */
        mw.rcfilters.Controller.prototype.emptyFilters = function () {
-               var highlightedFilterNames = this.filtersModel
-                       .getHighlightedItems()
+               var highlightedFilterNames = this.filtersModel.getHighlightedItems()
                        .map( function ( filterItem ) { return { name: filterItem.getName() }; } );
 
-               this.filtersModel.updateStateFromParams( {} );
-
-               this.updateChangesList();
+               if ( this.applyParamChange( {} ) ) {
+                       // Only update the changes list if there was a change to actual filters
+                       this.updateChangesList();
+               }
 
                if ( highlightedFilterNames ) {
                        this._trackHighlight( 'clearAll', highlightedFilterNames );
                        return;
                }
 
-               // Apply parameters to model
-               this.filtersModel.updateStateFromParams( params );
-
-               this.updateChangesList();
+               if ( this.applyParamChange( params ) ) {
+                       // Update changes list only if there was a difference in filter selection
+                       this.updateChangesList();
+               }
 
                // Log filter grouping
                this.trackFilterGroupings( 'savedfilters' );
                }
        };
 
+       /**
+        * Apply a change of parameters to the model state, and check whether
+        * the new state is different than the old state.
+        *
+        * @param  {Object} newParamState New parameter state to apply
+        * @return {boolean} New applied model state is different than the previous state
+        */
+       mw.rcfilters.Controller.prototype.applyParamChange = function ( newParamState ) {
+               var after,
+                       before = this.filtersModel.getSelectedState();
+
+               this.filtersModel.updateStateFromParams( newParamState );
+
+               after = this.filtersModel.getSelectedState();
+
+               return !OO.compare( before, after );
+       };
+
        /**
         * Mark all changes as seen on Watchlist
         */