2009-01-12 14:43:17 +01:00
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(function(A){A.widget("ui.draggable",A.extend({},A.ui.mouse,{init:function(){var B=this.options;if(B.helper=="original"&&!(/(relative|absolute|fixed)/).test(this.element.css("position"))){this.element.css("position","relative")}this.element.addClass("ui-draggable");(B.disabled&&this.element.addClass("ui-draggable-disabled"));this.mouseInit()},mouseStart:function(F){var H=this.options;if(this.helper||H.disabled||A(F.target).is(".ui-resizable-handle")){return false}var C=!this.options.handle||!A(this.options.handle,this.element).length?true:false;A(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==F.target){C=true}});if(!C){return false}if(A.ui.ddmanager){A.ui.ddmanager.current=this}this.helper=A.isFunction(H.helper)?A(H.helper.apply(this.element[0],[F])):(H.helper=="clone"?this.element.clone():this.element);if(!this.helper.parents("body").length){this.helper.appendTo((H.appendTo=="parent"?this.element[0].parentNode:H.appendTo))}if(this.helper[0]!=this.element[0]&&!(/(fixed|absolute)/).test(this.helper.css("position"))){this.helper.css("position","absolute")}this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0)};this.cssPosition=this.helper.css("position");this.offset=this.element.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};this.offset.click={left:F.pageX-this.offset.left,top:F.pageY-this.offset.top};this.offsetParent=this.helper.offsetParent();var B=this.offsetParent.offset();if(this.offsetParent[0]==document.body&&A.browser.mozilla){B={top:0,left:0}}this.offset.parent={top:B.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:B.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};var E=this.element.position();this.offset.relative=this.cssPosition=="relative"?{top:E.top-(parseInt(this.helper.css("top"),10)||0)+this.offsetParent[0].scrollTop,left:E.left-(parseInt(this.helper.css("left"),10)||0)+this.offsetParent[0].scrollLeft}:{top:0,left:0};this.originalPosition=this.generatePosition(F);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(H.cursorAt){if(H.cursorAt.left!=undefined){this.offset.click.left=H.cursorAt.left+this.margins.left}if(H.cursorAt.right!=undefined){this.offset.click.left=this.helperProportions.width-H.cursorAt.right+this.margins.left}if(H.cursorAt.top!=undefined){this.offset.click.top=H.cursorAt.top+this.margins.top}if(H.cursorAt.bottom!=undefined){this.offset.click.top=this.helperProportions.height-H.cursorAt.bottom+this.margins.top}}if(H.containment){if(H.containment=="parent"){H.containment=this.helper[0].parentNode}if(H.containment=="document"||H.containment=="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,A(H.containment=="document"?document:window).width()-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),(A(H.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}if(!(/^(document|window|parent)$/).test(H.containment)){var D=A(H.containment)[0];var G=A(H.containment).offset();this.containment=[G.left+(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left,G.top+(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top,G.left+Math.max(D.scrollWidth,D.offsetWidth)-(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),G.top+Math.max(D.scrollHeight,D.offsetHeight)-(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.elemen
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