Merge "Show a warning in edit preview when a template loop is detected"
[lhc/web/wiklou.git] / resources / src / mediawiki.rcfilters / dm / mw.rcfilters.dm.FilterGroup.js
index 6acc44d..4dc86f6 100644 (file)
        mw.rcfilters.dm.FilterGroup.prototype.onFilterItemUpdate = function ( item ) {
                // Update state
                var changed = false,
-                       active = this.areAnySelected();
-
-               if (
-                       item.isSelected() &&
-                       this.getType() === 'single_option' &&
-                       this.currSelected &&
-                       this.currSelected !== item
-               ) {
-                       this.currSelected.toggleSelected( false );
-               }
-
-               // For 'single_option' groups, check if we just unselected all
-               // items. This should never be the result. If we did unselect
-               // all (like resetting all filters to false) then this group
-               // must choose its default item or the first item in the group
-               if (
-                       this.getType() === 'single_option' &&
-                       !this.getItems().some( function ( filterItem ) {
-                               return filterItem.isSelected();
-                       } )
-               ) {
-                       // Single option means there must be a single option
-                       // selected, so we have to either select the default
-                       // or select the first option
-                       this.currSelected = this.getItemByParamName( this.defaultParams[ this.getName() ] ) ||
-                               this.getItems()[ 0 ];
-                       this.currSelected.toggleSelected( true );
-                       changed = true;
+                       active = this.areAnySelected(),
+                       model = this;
+
+               if ( this.getType() === 'single_option' ) {
+                       // This group must have one item selected always
+                       // and must never have more than one item selected at a time
+                       if ( this.getSelectedItems().length === 0 ) {
+                               // Nothing is selected anymore
+                               // Select the default or the first item
+                               this.currSelected = this.getItemByParamName( this.defaultParams[ this.getName() ] ) ||
+                                       this.getItems()[ 0 ];
+                               this.currSelected.toggleSelected( true );
+                               changed = true;
+                       } else if ( this.getSelectedItems().length > 1 ) {
+                               // There is more than one item selected
+                               // This should only happen if the item given
+                               // is the one that is selected, so unselect
+                               // all items that is not it
+                               this.getSelectedItems().forEach( function ( itemModel ) {
+                                       // Note that in case the given item is actually
+                                       // not selected, this loop will end up unselecting
+                                       // all items, which would trigger the case above
+                                       // when the last item is unselected anyways
+                                       var selected = itemModel.getName() === item.getName() &&
+                                               item.isSelected();
+
+                                       itemModel.toggleSelected( selected );
+                                       if ( selected ) {
+                                               model.currSelected = itemModel;
+                                       }
+                               } );
+                               changed = true;
+                       }
                }
 
                if (