(function(factory){"use strict";if(typeof define==="function"&&define.amd){define(["jquery","./mouse","../version","../widget"],factory);}else{factory(jQuery);}})(function($){"use strict";return $.widget("ui.selectable",$.ui.mouse,{version:"1.13.2",options:{appendTo:"body",autoRefresh:true,distance:0,filter:"*",tolerance:"touch",selected:null,selecting:null,start:null,stop:null,unselected:null,unselecting:null},_create:function(){var that=this;this._addClass("ui-selectable");this.dragged=false;this.refresh=function(){that.elementPos=$(that.element[0]).offset();that.selectees=$(that.options.filter,that.element[0]);that._addClass(that.selectees,"ui-selectee");that.selectees.each(function(){var $this=$(this),selecteeOffset=$this.offset(),pos={left:selecteeOffset.left-that.elementPos.left,top:selecteeOffset.top-that.elementPos.top};$.data(this,"selectable-item",{element:this,$element:$this,left:pos.left,top:pos.top,right:pos.left+$this.outerWidth(),bottom:pos.top+$this.outerHeight(),startselected:false,selected:$this.hasClass("ui-selected"),selecting:$this.hasClass("ui-selecting"),unselecting:$this.hasClass("ui-unselecting")});});};this.refresh();this._mouseInit();this.helper=$("<div>");this._addClass(this.helper,"ui-selectable-helper");},_destroy:function(){this.selectees.removeData("selectable-item");this._mouseDestroy();},_mouseStart:function(event){var that=this,options=this.options;this.opos=[event.pageX,event.pageY];this.elementPos=$(this.element[0]).offset();if(this.options.disabled){return;}
this.selectees=$(options.filter,this.element[0]);this._trigger("start",event);$(options.appendTo).append(this.helper);this.helper.css({"left":event.pageX,"top":event.pageY,"width":0,"height":0});if(options.autoRefresh){this.refresh();}
this.selectees.filter(".ui-selected").each(function(){var selectee=$.data(this,"selectable-item");selectee.startselected=true;if(!event.metaKey&&!event.ctrlKey){that._removeClass(selectee.$element,"ui-selected");selectee.selected=false;that._addClass(selectee.$element,"ui-unselecting");selectee.unselecting=true;that._trigger("unselecting",event,{unselecting:selectee.element});}});$(event.target).parents().addBack().each(function(){var doSelect,selectee=$.data(this,"selectable-item");if(selectee){doSelect=(!event.metaKey&&!event.ctrlKey)||!selectee.$element.hasClass("ui-selected");that._removeClass(selectee.$element,doSelect?"ui-unselecting":"ui-selected")._addClass(selectee.$element,doSelect?"ui-selecting":"ui-unselecting");selectee.unselecting=!doSelect;selectee.selecting=doSelect;selectee.selected=doSelect;if(doSelect){that._trigger("selecting",event,{selecting:selectee.element});}else{that._trigger("unselecting",event,{unselecting:selectee.element});}
return false;}});},_mouseDrag:function(event){this.dragged=true;if(this.options.disabled){return;}
var tmp,that=this,options=this.options,x1=this.opos[0],y1=this.opos[1],x2=event.pageX,y2=event.pageY;if(x1>x2){tmp=x2;x2=x1;x1=tmp;}
if(y1>y2){tmp=y2;y2=y1;y1=tmp;}
this.helper.css({left:x1,top:y1,width:x2-x1,height:y2-y1});this.selectees.each(function(){var selectee=$.data(this,"selectable-item"),hit=false,offset={};if(!selectee||selectee.element===that.element[0]){return;}
offset.left=selectee.left+that.elementPos.left;offset.right=selectee.right+that.elementPos.left;offset.top=selectee.top+that.elementPos.top;offset.bottom=selectee.bottom+that.elementPos.top;if(options.tolerance==="touch"){hit=(!(offset.left>x2||offset.right<x1||offset.top>y2||offset.bottom<y1));}else if(options.tolerance==="fit"){hit=(offset.left>x1&&offset.right<x2&&offset.top>y1&&offset.bottom<y2);}
if(hit){if(selectee.selected){that._removeClass(selectee.$element,"ui-selected");selectee.selected=false;}
if(selectee.unselecting){that._removeClass(selectee.$element,"ui-unselecting");selectee.unselecting=false;}
if(!selectee.selecting){that._addClass(selectee.$element,"ui-selecting");selectee.selecting=true;that._trigger("selecting",event,{selecting:selectee.element});}}else{if(selectee.selecting){if((event.metaKey||event.ctrlKey)&&selectee.startselected){that._removeClass(selectee.$element,"ui-selecting");selectee.selecting=false;that._addClass(selectee.$element,"ui-selected");selectee.selected=true;}else{that._removeClass(selectee.$element,"ui-selecting");selectee.selecting=false;if(selectee.startselected){that._addClass(selectee.$element,"ui-unselecting");selectee.unselecting=true;}
that._trigger("unselecting",event,{unselecting:selectee.element});}}
if(selectee.selected){if(!event.metaKey&&!event.ctrlKey&&!selectee.startselected){that._removeClass(selectee.$element,"ui-selected");selectee.selected=false;that._addClass(selectee.$element,"ui-unselecting");selectee.unselecting=true;that._trigger("unselecting",event,{unselecting:selectee.element});}}}});return false;},_mouseStop:function(event){var that=this;this.dragged=false;$(".ui-unselecting",this.element[0]).each(function(){var selectee=$.data(this,"selectable-item");that._removeClass(selectee.$element,"ui-unselecting");selectee.unselecting=false;selectee.startselected=false;that._trigger("unselected",event,{unselected:selectee.element});});$(".ui-selecting",this.element[0]).each(function(){var selectee=$.data(this,"selectable-item");that._removeClass(selectee.$element,"ui-selecting")._addClass(selectee.$element,"ui-selected");selectee.selecting=false;selectee.selected=true;selectee.startselected=true;that._trigger("selected",event,{selected:selectee.element});});this._trigger("stop",event);this.helper.remove();return false;}});});