wp_blog/wp-includes/js/jquery/ui/jquery.ui.sortable.min.js

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2020-01-02 23:15:16 +07:00
/*! jQuery UI - v1.9.2 - 2012-11-23
* http://jqueryui.com
* Includes: jquery.ui.sortable.js
* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
(function(e,t){e.widget("ui.sortable",e.ui.mouse,{version:"1.9.2",widgetEventPrefix:"sort",ready:!1,options:{appendTo:"parent",axis:!1,connectWith:!1,containment:!1,cursor:"auto",cursorAt:!1,dropOnEmpty:!0,forcePlaceholderSize:!1,forceHelperSize:!1,grid:!1,handle:!1,helper:"original",items:"> *",opacity:!1,placeholder:!1,revert:!1,scroll:!0,scrollSensitivity:20,scrollSpeed:20,scope:"default",tolerance:"intersect",zIndex:1e3},_create:function(){var e=this.options;this.containerCache={},this.element.addClass("ui-sortable"),this.refresh(),this.floating=this.items.length?e.axis==="x"||/left|right/.test(this.items[0].item.css("float"))||/inline|table-cell/.test(this.items[0].item.css("display")):!1,this.offset=this.element.offset(),this._mouseInit(),this.ready=!0},_destroy:function(){this.element.removeClass("ui-sortable ui-sortable-disabled"),this._mouseDestroy();for(var e=this.items.length-1;e>=0;e--)this.items[e].item.removeData(this.widgetName+"-item");return this},_setOption:function(t,n){t==="disabled"?(this.options[t]=n,this.widget().toggleClass("ui-sortable-disabled",!!n)):e.Widget.prototype._setOption.apply(this,arguments)},_mouseCapture:function(t,n){var r=this;if(this.reverting)return!1;if(this.options.disabled||this.options.type=="static")return!1;this._refreshItems(t);var i=null,s=e(t.target).parents().each(function(){if(e.data(this,r.widgetName+"-item")==r)return i=e(this),!1});e.data(t.target,r.widgetName+"-item")==r&&(i=e(t.target));if(!i)return!1;if(this.options.handle&&!n){var o=!1;e(this.options.handle,i).find("*").andSelf().each(function(){this==t.target&&(o=!0)});if(!o)return!1}return this.currentItem=i,this._removeCurrentsFromItems(),!0},_mouseStart:function(t,n,r){var i=this.options;this.currentContainer=this,this.refreshPositions(),this.helper=this._createHelper(t),this._cacheHelperProportions(),this._cacheMargins(),this.scrollParent=this.helper.scrollParent(),this.offset=this.currentItem.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.helper.css("position","absolute"),this.cssPosition=this.helper.css("position"),this.originalPosition=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt),this.domPosition={prev:this.currentItem.prev()[0],parent:this.currentItem.parent()[0]},this.helper[0]!=this.currentItem[0]&&this.currentItem.hide(),this._createPlaceholder(),i.containment&&this._setContainment(),i.cursor&&(e("body").css("cursor")&&(this._storedCursor=e("body").css("cursor")),e("body").css("cursor",i.cursor)),i.opacity&&(this.helper.css("opacity")&&(this._storedOpacity=this.helper.css("opacity")),this.helper.css("opacity",i.opacity)),i.zIndex&&(this.helper.css("zIndex")&&(this._storedZIndex=this.helper.css("zIndex")),this.helper.css("zIndex",i.zIndex)),this.scrollParent[0]!=document&&this.scrollParent[0].tagName!="HTML"&&(this.overflowOffset=this.scrollParent.offset()),this._trigger("start",t,this._uiHash()),this._preserveHelperProportions||this._cacheHelperProportions();if(!r)for(var s=this.containers.length-1;s>=0;s--)this.containers[s]._trigger("activate",t,this._uiHash(this));return e.ui.ddmanager&&(e.ui.ddmanager.current=this),e.ui.ddmanager&&!i.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this.dragging=!0,this.helper.addClass("ui-sortable-helper"),this._mouseDrag(t),!0},_mouseDrag:function(t){this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute"),this.lastPositionAbs||(this.lastPositionAbs=this.positionAbs);if(this.options.scroll){var n=this.options,r=!1;this.scrollParent[0]!=document&&this.scrollParent[0].tagName!="HTML"?(this.overflowOffset.top+this.scrollParent[0].offsetHeight-t.pageY<n.scrollSensitivity?this.scrollParent[0].scrollTop=r=this.scrollParent[0].scrollTop+n.scrollSpeed:t.pageY-this.overflowOffset.top<n.scrollSensitivity&&(this.scrollParent[0].scrollT