(function(A){A.widget("ui.selectable",A.extend({},A.ui.mouse,{init:function(){var B=this;this.element.addClass("ui-selectable");this.dragged=false;var C;this.refresh=function(){C=A(B.options.filter,B.element[0]);C.each(function(){var D=A(this);var E=D.offset();A.data(this,"selectable-item",{element:this,$element:D,left:E.left,top:E.top,right:E.left+D.width(),bottom:E.top+D.height(),startselected:false,selected:D.hasClass("ui-selected"),selecting:D.hasClass("ui-selecting"),unselecting:D.hasClass("ui-unselecting")})})};this.refresh();this.selectees=C.addClass("ui-selectee");this.mouseInit();this.helper=A(document.createElement("div")).css({border:"1px dotted black"})},toggle:function(){if(this.options.disabled){this.enable()}else{this.disable()}},destroy:function(){this.element.removeClass("ui-selectable ui-selectable-disabled").removeData("selectable").unbind(".selectable");this.mouseDestroy()},mouseStart:function(E){var C=this;this.opos=[E.pageX,E.pageY];if(this.options.disabled){return }var D=this.options;this.selectees=A(D.filter,this.element[0]);this.element.triggerHandler("selectablestart",[E,{"selectable":this.element[0],"options":D}],D.start);A("body").append(this.helper);this.helper.css({"z-index":100,"position":"absolute","left":E.clientX,"top":E.clientY,"width":0,"height":0});if(D.autoRefresh){this.refresh()}this.selectees.filter(".ui-selected").each(function(){var F=A.data(this,"selectable-item");F.startselected=true;if(!E.ctrlKey){F.$element.removeClass("ui-selected");F.selected=false;F.$element.addClass("ui-unselecting");F.unselecting=true;C.element.triggerHandler("selectableunselecting",[E,{selectable:C.element[0],unselecting:F.element,options:D}],D.unselecting)}});var B=false;A(E.target).parents().andSelf().each(function(){if(A.data(this,"selectable-item")){B=true}});return this.options.keyboard?!B:true},mouseDrag:function(I){var C=this;this.dragged=true;if(this.options.disabled){return }var E=this.options;var D=this.opos[0],H=this.opos[1],B=I.pageX,G=I.pageY;if(D>B){var F=B;B=D;D=F}if(H>G){var F=G;G=H;H=F}this.helper.css({left:D,top:H,width:B-D,height:G-H});this.selectees.each(function(){var J=A.data(this,"selectable-item");if(!J||J.element==C.element[0]){return }var K=false;if(E.tolerance=="touch"){K=(!(J.left>B||J.right<D||J.top>G||J.bottom<H))}else{if(E.tolerance=="fit"){K=(J.left>D&&J.right<B&&J.top>H&&J.bottom<G)}}if(K){if(J.selected){J.$element.removeClass("ui-selected");J.selected=false}if(J.unselecting){J.$element.removeClass("ui-unselecting");J.unselecting=false}if(!J.selecting){J.$element.addClass("ui-selecting");J.selecting=true;C.element.triggerHandler("selectableselecting",[I,{selectable:C.element[0],selecting:J.element,options:E}],E.selecting)}}else{if(J.selecting){if(I.ctrlKey&&J.startselected){J.$element.removeClass("ui-selecting");J.selecting=false;J.$element.addClass("ui-selected");J.selected=true}else{J.$element.removeClass("ui-selecting");J.selecting=false;if(J.startselected){J.$element.addClass("ui-unselecting");J.unselecting=true}C.element.triggerHandler("selectableunselecting",[I,{selectable:C.element[0],unselecting:J.element,options:E}],E.unselecting)}}if(J.selected){if(!I.ctrlKey&&!J.startselected){J.$element.removeClass("ui-selected");J.selected=false;J.$element.addClass("ui-unselecting");J.unselecting=true;C.element.triggerHandler("selectableunselecting",[I,{selectable:C.element[0],unselecting:J.element,options:E}],E.unselecting)}}}});return false},mouseStop:function(D){var B=this;this.dragged=false;var C=this.options;A(".ui-unselecting",this.element[0]).each(function(){var E=A.data(this,"selectable-item");E.$element.removeClass("ui-unselecting");E.unselecting=false;E.startselected=false;B.element.triggerHandler("selectableunselected",[D,{selectable:B.element[0],unselected:E.element,options:C}],C.unselected)});A(".ui-selecting",this.element[0]).each(function(){var E=A.data(this,"selectable-item");E.$element.removeClass("ui-selecting").addClass("ui-selected");E.selecting=false;E.selected=true;E.startselected=true;B.element.triggerHandler("selectableselected",[D,{selectable:B.element[0],selected:E.element,options:C}],C.selected)});this.element.triggerHandler("selectablestop",[D,{selectable:B.element[0],options:this.options}],this.options.stop);this.helper.remove();return false}}));A.extend(A.ui.selectable,{defaults:{distance:1,delay:0,cancel:":input",appendTo:"body",autoRefresh:true,filter:"*",tolerance:"touch"}})})(jQuery)