5 lines
18 KiB
JavaScript
5 lines
18 KiB
JavaScript
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/*! jQuery UI - v1.9.2 - 2012-11-23
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* http://jqueryui.com
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* Includes: jquery.ui.draggable.js
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* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
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(function(e,t){e.widget("ui.draggable",e.ui.mouse,{version:"1.9.2",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(){this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._mouseDestroy()},_mouseCapture:function(t){var n=this.options;return this.helper||n.disabled||e(t.target).is(".ui-resizable-handle")?!1:(this.handle=this._getHandle(t),this.handle?(e(n.iframeFix===!0?"iframe":n.iframeFix).each(function(){e('<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(e(this).offset()).appendTo("body")}),!0):!1)},_mouseStart:function(t){var n=this.options;return this.helper=this._createHelper(t),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),e.ui.ddmanager&&(e.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},e.extend(this.offset,{click:{left:t.pageX-this.offset.left,top:t.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.originalPosition=this.position=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,n.cursorAt&&this._adjustOffsetFromHelper(n.cursorAt),n.containment&&this._setContainment(),this._trigger("start",t)===!1?(this._clear(),!1):(this._cacheHelperProportions(),e.ui.ddmanager&&!n.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),e.ui.ddmanager&&e.ui.ddmanager.dragStart(this,t),!0)},_mouseDrag:function(t,n){this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute");if(!n){var r=this._uiHash();if(this._trigger("drag",t,r)===!1)return this._mouseUp({}),!1;this.position=r.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 e.ui.ddmanager&&e.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var n=!1;e.ui.ddmanager&&!this.options.dropBehaviour&&(n=e.ui.ddmanager.drop(this,t)),this.dropped&&(n=this.dropped,this.dropped=!1);var r=this.element[0],i=!1;while(r&&(r=r.parentNode))r==document&&(i=!0);if(!i&&this.options.helper==="original")return!1;if(this.options.revert=="invalid"&&!n||this.options.revert=="valid"&&n||this.options.revert===!0||e.isFunction(this.options.revert)&&this.options.revert.call(this.element,n)){var s=this;e(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){s._trigger("stop",t)!==!1&&s._clear()})}else this._trigger("stop",t)!==!1&&this._clear();return!1},_mouseUp:function(t){return e("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),e.ui.ddmanager&&e.ui.ddmanager.dragStop(this,t),e.ui.mouse.prototype._mouseUp.call(this,t)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(t){var n=!this.options.handle||!e(this.options.handle,this.element).length?!0:!1;return e(this.options.handle,this.element).find("*").andSelf().each(function(){this==t.target&&(n=!0)}),n},_createHelper:function(t){var n=this.options,r=e.isFunction(n.helper)?e(
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