Ticket #4417: ui.selectable.js.patch

ui.selectable.js

@@ -48 +48 @@
 
                 this._mouseInit();
 
-                this.helper = $(document.createElement('div'))
-                        .css({border:'1px dotted black'})
-                        .addClass("ui-selectable-helper");
+                this.helper = $(document.createElement('div')).addClass("ui-selectable-helper");
+                if (this.options.multiselect)
+                        this.helper.css({border:'1px dotted black'});
         },
 
         destroy: function() {
@@ -93 +93 @@
                 this.selectees.filter('.ui-selected').each(function() {
                         var selectee = $.data(this, "selectable-item");
                         selectee.startselected = true;
-                        if (!event.metaKey) {
+                        if (!event.metaKey || !options.multiselect) {
                                 selectee.$element.removeClass('ui-selected');
                                 selectee.selected = false;
                                 selectee.$element.addClass('ui-unselecting');
@@ -126 +126 @@
                 var self = this;
                 this.dragged = true;
 
-                if (this.options.disabled)
+                if (this.options.disabled || !this.options.multiselect)
                         return;
 
                 var options = this.options;
@@ -250 +250 @@
                 delay: 0,
                 distance: 0,
                 filter: '*',
-                tolerance: 'touch'
+                tolerance: 'touch',
+                multiselect: true
         }
 });