2012-04-17 22:34:45 +02:00
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(function(a,b){a.widget("ui.draggable",a.ui.mouse,{widgetEventPrefix:"drag",options:{addClasses:!0,appendTo:"parent",axis:!1,connectToSortable:!1,containment:!1,cursor:"auto",cursorAt:!1,grid:!1,handle:!1,helper:"original",iframeFix:!1,opacity:!1,refreshPositions:!1,revert:!1,revertDuration:500,scope:"default",scroll:!0,scrollSensitivity:20,scrollSpeed:20,snap:!1,snapMode:"both",snapTolerance:20,stack:!1,zIndex:!1},_create:function(){this.options.helper=="original"&&!/^(?:r|a|f)/.test(this.element.css("position"))&&(this.element[0].style.position="relative"),this.options.addClasses&&this.element.addClass("ui-draggable"),this.options.disabled&&this.element.addClass("ui-draggable-disabled"),this._mouseInit()},destroy:function(){if(!this.element.data("draggable"))return;return this.element.removeData("draggable").unbind(".draggable").removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._mouseDestroy(),this},_mouseCapture:function(b){var c=this.options;return this.helper||c.disabled||a(b.target).is(".ui-resizable-handle")?!1:(this.handle=this._getHandle(b),this.handle?(c.iframeFix&&a(c.iframeFix===!0?"iframe":c.iframeFix).each(function(){a('<div class="ui-draggable-iframeFix" style="background: #fff;"></div>').css({width:this.offsetWidth+"px",height:this.offsetHeight+"px",position:"absolute",opacity:"0.001",zIndex:1e3}).css(a(this).offset()).appendTo("body")}),!0):!1)},_mouseStart:function(b){var c=this.options;return this.helper=this._createHelper(b),this._cacheHelperProportions(),a.ui.ddmanager&&(a.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(),this.offset=this.positionAbs=this.element.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},a.extend(this.offset,{click:{left:b.pageX-this.offset.left,top:b.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.originalPosition=this.position=this._generatePosition(b),this.originalPageX=b.pageX,this.originalPageY=b.pageY,c.cursorAt&&this._adjustOffsetFromHelper(c.cursorAt),c.containment&&this._setContainment(),this._trigger("start",b)===!1?(this._clear(),!1):(this._cacheHelperProportions(),a.ui.ddmanager&&!c.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b),this.helper.addClass("ui-draggable-dragging"),this._mouseDrag(b,!0),a.ui.ddmanager&&a.ui.ddmanager.dragStart(this,b),!0)},_mouseDrag:function(b,c){this.position=this._generatePosition(b),this.positionAbs=this._convertPositionTo("absolute");if(!c){var d=this._uiHash();if(this._trigger("drag",b,d)===!1)return this._mouseUp({}),!1;this.position=d.position}if(!this.options.axis||this.options.axis!="y")this.helper[0].style.left=this.position.left+"px";if(!this.options.axis||this.options.axis!="x")this.helper[0].style.top=this.position.top+"px";return a.ui.ddmanager&&a.ui.ddmanager.drag(this,b),!1},_mouseStop:function(b){var c=!1;a.ui.ddmanager&&!this.options.dropBehaviour&&(c=a.ui.ddmanager.drop(this,b)),this.dropped&&(c=this.dropped,this.dropped=!1);if((!this.element[0]||!this.element[0].parentNode)&&this.options.helper=="original")return!1;if(this.options.revert=="invalid"&&!c||this.options.revert=="valid"&&c||this.options.revert===!0||a.isFunction(this.options.revert)&&this.options.revert.call(this.element,c)){var d=this;a(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){d._trigger("stop",b)!==!1&&d._clear()})}else this._trigger("stop",b)!==!1&&this._clear();return!1},_mouseUp:function(b){return this.options.iframeFix===!0&&a("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),a.ui.ddmanager&&a.ui.ddmanager.dragStop(this,b),a.ui.mouse.prototype._mouseUp.call(this,b)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(b){var c=!this.options.handle||!a(this.options.handle,this.element).length?!0:!1;return a(this.options.handle,this.element).find("*").andSelf().each(function(){this=
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