2010-06-13 06:39:20 -04:00
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(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,$element:d,left:e.left,top:e.top,right:e.left+d.outerWidth(),bottom:e.top+d.outerHeight(),startselected:false,selected:d.hasClass("ui-selected"),selecting:d.hasClass("ui-selecting"),unselecting:d.hasClass("ui-unselecting")})})};this.refresh();this.selectees=c.addClass("ui-selectee");this._mouseInit();this.helper=a(document.createElement("div")).css({border:"1px dotted black"}).addClass("ui-selectable-helper")},destroy:function(){this.element.removeClass("ui-selectable ui-selectable-disabled").removeData("selectable").unbind(".selectable");this._mouseDestroy()},_mouseStart:function(d){var b=this;this.opos=[d.pageX,d.pageY];if(this.options.disabled){return}var c=this.options;this.selectees=a(c.filter,this.element[0]);this._trigger("start",d);a(c.appendTo).append(this.helper);this.helper.css({"z-index":100,position:"absolute",left:d.clientX,top:d.clientY,width:0,height:0});if(c.autoRefresh){this.refresh()}this.selectees.filter(".ui-selected").each(function(){var e=a.data(this,"selectable-item");e.startselected=true;if(!d.metaKey){e.$element.removeClass("ui-selected");e.selected=false;e.$element.addClass("ui-unselecting");e.unselecting=true;b._trigger("unselecting",d,{unselecting:e.element})}});a(d.target).parents().andSelf().each(function(){var e=a.data(this,"selectable-item");if(e){e.$element.removeClass("ui-unselecting").addClass("ui-selecting");e.unselecting=false;e.selecting=true;e.selected=true;b._trigger("selecting",d,{selecting:e.element});return false}})},_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.$element.addClass("ui-selecting");j.selecting=true;c._trigger("selecting",i,{selecting:j.element})}}else{if(j.selecting){if(i.metaKey&&j.startselected){j.$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.$element.addClass("ui-unselecting");j.unselecting=true}c._trigger("unselecting",i,{unselecting:j.element})}}if(j.selected){if(!i.metaKey&&!j.startselected){j.$element.removeClass("ui-selected");j.selected=false;j.$element.addClass("ui-unselecting");j.unselecting=true;c._trigger("unselecting",i,{unselecting:j.element})}}}});return false},_mouseStop:function(d){var b=this;this.dragged=false;var c=this.options;a(".ui-unselecting",this.element[0]).each(function(){var e=a.data(this,"selectable-item");e.$element.removeClass("ui-unselecting");e.unselecting=false;e.startselected=false;b._trigger("unselected",d,{unselected:e.element})});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._trigger("selected",d,{selected:e.element})});this._trigger("stop",d);this.helper.remove();return false}}));a.extend(a.ui.selectable,{version:"1.7.3",defaults:{appendTo:"body",autoRefresh:true,cancel:":input,option",delay:0,distance:0,filter:"*",tolerance:"touch"}})})(jQuery);
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