/*! jQuery UI - v1.9.2 - 2012年11月23日
* http://jqueryui.com
* Includes: jquery.ui.selectable.js
* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
(function(e,t){e.widget("ui.selectable",e.ui.mouse,{version:"1.9.2",options:{appendTo:"body",autoRefresh:!0,distance:0,filter:"*",tolerance:"touch"},_create:function(){var t=this;this.element.addClass("ui-selectable"),this.dragged=!1;var n;this.refresh=function(){n=e(t.options.filter,t.element[0]),n.addClass("ui-selectee"),n.each(function(){var t=e(this),n=t.offset();e.data(this,"selectable-item",{element:this,$element:t,left:n.left,top:n.top,right:n.left+t.outerWidth(),bottom:n.top+t.outerHeight(),startselected:!1,selected:t.hasClass("ui-selected"),selecting:t.hasClass("ui-selecting"),unselecting:t.hasClass("ui-unselecting")})})},this.refresh(),this.selectees=n.addClass("ui-selectee"),this._mouseInit(),this.helper=e("<div class='ui-selectable-helper'></div>")},_destroy:function(){this.selectees.removeClass("ui-selectee").removeData("selectable-item"),this.element.removeClass("ui-selectable ui-selectable-disabled"),this._mouseDestroy()},_mouseStart:function(t){var n=this;this.opos=[t.pageX,t.pageY];if(this.options.disabled)return;var r=this.options;this.selectees=e(r.filter,this.element[0]),this._trigger("start",t),e(r.appendTo).append(this.helper),this.helper.css({left:t.clientX,top:t.clientY,width:0,height:0}),r.autoRefresh&&this.refresh(),this.selectees.filter(".ui-selected").each(function(){var r=e.data(this,"selectable-item");r.startselected=!0,!t.metaKey&&!t.ctrlKey&&(r.$element.removeClass("ui-selected"),r.selected=!1,r.$element.addClass("ui-unselecting"),r.unselecting=!0,n._trigger("unselecting",t,{unselecting:r.element}))}),e(t.target).parents().andSelf().each(function(){var r=e.data(this,"selectable-item");if(r){var i=!t.metaKey&&!t.ctrlKey||!r.$element.hasClass("ui-selected");return r.$element.removeClass(i?"ui-unselecting":"ui-selected").addClass(i?"ui-selecting":"ui-unselecting"),r.unselecting=!i,r.selecting=i,r.selected=i,i?n._trigger("selecting",t,{selecting:r.element}):n._trigger("unselecting",t,{unselecting:r.element}),!1}})},_mouseDrag:function(t){var n=this;this.dragged=!0;if(this.options.disabled)return;var r=this.options,i=this.opos[0],s=this.opos[1],o=t.pageX,u=t.pageY;if(i>o){var a=o;o=i,i=a}if(s>u){var a=u;u=s,s=a}return this.helper.css({left:i,top:s,width:o-i,height:u-s}),this.selectees.each(function(){var a=e.data(this,"selectable-item");if(!a||a.element==n.element[0])return;var f=!1;r.tolerance=="touch"?f=!(a.left>o||a.right<i||a.top>u||a.bottom<s):r.tolerance=="fit"&&(f=a.left>i&&a.right<o&&a.top>s&&a.bottom<u),f?(a.selected&&(a.$element.removeClass("ui-selected"),a.selected=!1),a.unselecting&&(a.$element.removeClass("ui-unselecting"),a.unselecting=!1),a.selecting||(a.$element.addClass("ui-selecting"),a.selecting=!0,n._trigger("selecting",t,{selecting:a.element}))):(a.selecting&&((t.metaKey||t.ctrlKey)&&a.startselected?(a.$element.removeClass("ui-selecting"),a.selecting=!1,a.$element.addClass("ui-selected"),a.selected=!0):(a.$element.removeClass("ui-selecting"),a.selecting=!1,a.startselected&&(a.$element.addClass("ui-unselecting"),a.unselecting=!0),n._trigger("unselecting",t,{unselecting:a.element}))),a.selected&&!t.metaKey&&!t.ctrlKey&&!a.startselected&&(a.$element.removeClass("ui-selected"),a.selected=!1,a.$element.addClass("ui-unselecting"),a.unselecting=!0,n._trigger("unselecting",t,{unselecting:a.element})))}),!1},_mouseStop:function(t){var n=this;this.dragged=!1;var r=this.options;return e(".ui-unselecting",this.element[0]).each(function(){var r=e.data(this,"selectable-item");r.$element.removeClass("ui-unselecting"),r.unselecting=!1,r.startselected=!1,n._trigger("unselected",t,{unselected:r.element})}),e(".ui-selecting",this.element[0]).each(function(){var r=e.data(this,"selectable-item");r.$element.removeClass("ui-selecting").addClass("ui-selected"),r.selecting=!1,r.selected=!0,r.startselected=!0,n._trigger("selected",t,{selected:r.element})}),this._trigger("stop",t),this.helper.remove(),!1}})})(jQuery);