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Editing: draggable.min.js
/*! * jQuery UI Draggable 1.11.4 * http://jqueryui.com * * Copyright jQuery Foundation and other contributors * Released under the MIT license. * http://jquery.org/license * * http://api.jqueryui.com/draggable/ */ !function(a){"function"==typeof define&&define.amd?define(["jquery","./core","./mouse","./widget"],a):a(jQuery)}(function(a){return a.widget("ui.draggable",a.ui.mouse,{version:"1.11.4",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,drag:null,start:null,stop:null},_create:function(){"original"===this.options.helper&&this._setPositionRelative(),this.options.addClasses&&this.element.addClass("ui-draggable"),this.options.disabled&&this.element.addClass("ui-draggable-disabled"),this._setHandleClassName(),this._mouseInit()},_setOption:function(a,b){this._super(a,b),"handle"===a&&(this._removeHandleClassName(),this._setHandleClassName())},_destroy:function(){return(this.helper||this.element).is(".ui-draggable-dragging")?void(this.destroyOnClear=!0):(this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._removeHandleClassName(),void this._mouseDestroy())},_mouseCapture:function(b){var c=this.options;return this._blurActiveElement(b),!(this.helper||c.disabled||a(b.target).closest(".ui-resizable-handle").length>0)&&(this.handle=this._getHandle(b),!!this.handle&&(this._blockFrames(c.iframeFix===!0?"iframe":c.iframeFix),!0))},_blockFrames:function(b){this.iframeBlocks=this.document.find(b).map(function(){var b=a(this);return a("<div>").css("position","absolute").appendTo(b.parent()).outerWidth(b.outerWidth()).outerHeight(b.outerHeight()).offset(b.offset())[0]})},_unblockFrames:function(){this.iframeBlocks&&(this.iframeBlocks.remove(),delete this.iframeBlocks)},_blurActiveElement:function(b){var c=this.document[0];if(this.handleElement.is(b.target))try{c.activeElement&&"body"!==c.activeElement.nodeName.toLowerCase()&&a(c.activeElement).blur()}catch(d){}},_mouseStart:function(b){var c=this.options;return this.helper=this._createHelper(b),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),a.ui.ddmanager&&(a.ui.ddmanager.current=this),this._cacheMargins(),this.cssPosition=this.helper.css("position"),this.scrollParent=this.helper.scrollParent(!0),this.offsetParent=this.helper.offsetParent(),this.hasFixedAncestor=this.helper.parents().filter(function(){return"fixed"===a(this).css("position")}).length>0,this.positionAbs=this.element.offset(),this._refreshOffsets(b),this.originalPosition=this.position=this._generatePosition(b,!1),this.originalPageX=b.pageX,this.originalPageY=b.pageY,c.cursorAt&&this._adjustOffsetFromHelper(c.cursorAt),this._setContainment(),this._trigger("start",b)===!1?(this._clear(),!1):(this._cacheHelperProportions(),a.ui.ddmanager&&!c.dropBehaviour&&a.ui.ddmanager.prepareOffsets(this,b),this._normalizeRightBottom(),this._mouseDrag(b,!0),a.ui.ddmanager&&a.ui.ddmanager.dragStart(this,b),!0)},_refreshOffsets:function(a){this.offset={top:this.positionAbs.top-this.margins.top,left:this.positionAbs.left-this.margins.left,scroll:!1,parent:this._getParentOffset(),relative:this._getRelativeOffset()},this.offset.click={left:a.pageX-this.offset.left,top:a.pageY-this.offset.top}},_mouseDrag:function(b,c){if(this.hasFixedAncestor&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(b,!0),this.positionAbs=this._convertPositionTo("absolute"),!c){var d=this._uiHash();if(this._trigger("drag",b,d)===!1)return this._mouseUp({}),!1;this.position=d.position}return this.helper[0].style.left=this.position.left+"px",this.helper[0].style.top=this.position.top+"px",a.ui.ddmanager&&a.ui.ddmanager.drag(this,b),!1},_mouseStop:function(b){var c=this,d=!1;return a.ui.ddmanager&&!this.options.dropBehaviour&&(d=a.ui.ddmanager.drop(this,b)),this.dropped&&(d=this.dropped,this.dropped=!1),"invalid"===this.options.revert&&!d||"valid"===this.options.revert&&d||this.options.revert===!0||a.isFunction(this.options.revert)&&this.options.revert.call(this.element,d)?a(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){c._trigger("stop",b)!==!1&&c._clear()}):this._trigger("stop",b)!==!1&&this._clear(),!1},_mouseUp:function(b){return this._unblockFrames(),a.ui.ddmanager&&a.ui.ddmanager.dragStop(this,b),this.handleElement.is(b.target)&&this.element.focus(),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){return!this.options.handle||!!a(b.target).closest(this.element.find(this.options.handle)).length},_setHandleClassName:function(){this.handleElement=this.options.handle?this.element.find(this.options.handle):this.element,this.handleElement.addClass("ui-draggable-handle")},_removeHandleClassName:function(){this.handleElement.removeClass("ui-draggable-handle")},_createHelper:function(b){var c=this.options,d=a.isFunction(c.helper),e=d?a(c.helper.apply(this.element[0],[b])):"clone"===c.helper?this.element.clone().removeAttr("id"):this.element;return e.parents("body").length||e.appendTo("parent"===c.appendTo?this.element[0].parentNode:c.appendTo),d&&e[0]===this.element[0]&&this._setPositionRelative(),e[0]===this.element[0]||/(fixed|absolute)/.test(e.css("position"))||e.css("position","absolute"),e},_setPositionRelative:function(){/^(?:r|a|f)/.test(this.element.css("position"))||(this.element[0].style.position="relative")},_adjustOffsetFromHelper:function(b){"string"==typeof b&&(b=b.split(" ")),a.isArray(b)&&(b={left:+b[0],top:+b[1]||0}),"left"in b&&(this.offset.click.left=b.left+this.margins.left),"right"in b&&(this.offset.click.left=this.helperProportions.width-b.right+this.margins.left),"top"in b&&(this.offset.click.top=b.top+this.margins.top),"bottom"in b&&(this.offset.click.top=this.helperProportions.height-b.bottom+this.margins.top)},_isRootNode:function(a){return/(html|body)/i.test(a.tagName)||a===this.document[0]},_getParentOffset:function(){var b=this.offsetParent.offset(),c=this.document[0];return"absolute"===this.cssPosition&&this.scrollParent[0]!==c&&a.contains(this.scrollParent[0],this.offsetParent[0])&&(b.left+=this.scrollParent.scrollLeft(),b.top+=this.scrollParent.scrollTop()),this._isRootNode(this.offsetParent[0])&&(b={top:0,left:0}),{top:b.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:b.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"!==this.cssPosition)return{top:0,left:0};var a=this.element.position(),b=this._isRootNode(this.scrollParent[0]);return{top:a.top-(parseInt(this.helper.css("top"),10)||0)+(b?0:this.scrollParent.scrollTop()),left:a.left-(parseInt(this.helper.css("left"),10)||0)+(b?0:this.scrollParent.scrollLeft())}},_cacheMargins:function(){this.margins={left:parseInt(this.element.css("marginLeft"),10)||0,top:parseInt(this.element.css("marginTop"),10)||0,right:parseInt(this.element.css("marginRight"),10)||0,bottom:parseInt(this.element.css("marginBottom"),10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var b,c,d,e=this.options,f=this.document[0];return this.relativeContainer=null,e.containment?"window"===e.containment?void(this.containment=[a(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,a(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,a(window).scrollLeft()+a(window).width()-this.helperProportions.width-this.margins.left,a(window).scrollTop()+(a(window).height()||f.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]):"document"===e.containment?void(this.containment=[0,0,a(f).width()-this.helperProportions.width-this.margins.left,(a(f).height()||f.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top]):e.containment.constructor===Array?void(this.containment=e.containment):("parent"===e.containment&&(e.containment=this.helper[0].parentNode),c=a(e.containment),d=c[0],void(d&&(b=/(scroll|auto)/.test(c.css("overflow")),this.containment=[(parseInt(c.css("borderLeftWidth"),10)||0)+(parseInt(c.css("paddingLeft"),10)||0),(parseInt(c.css("borderTopWidth"),10)||0)+(parseInt(c.css("paddingTop"),10)||0),(b?Math.max(d.scrollWidth,d.offsetWidth):d.offsetWidth)-(parseInt(c.css("borderRightWidth"),10)||0)-(parseInt(c.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(b?Math.max(d.scrollHeight,d.offsetHeight):d.offsetHeight)-(parseInt(c.css("borderBottomWidth"),10)||0)-(parseInt(c.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relativeContainer=c))):void(this.containment=null)},_convertPositionTo:function(a,b){b||(b=this.position);var c="absolute"===a?1:-1,d=this._isRootNode(this.scrollParent[0]);return{top:b.top+this.offset.relative.top*c+this.offset.parent.top*c-("fixed"===this.cssPosition?-this.offset.scroll.top:d?0:this.offset.scroll.top)*c,left:b.left+this.offset.relative.left*c+this.offset.parent.left*c-("fixed"===this.cssPosition?-this.offset.scroll.left:d?0:this.offset.scroll.left)*c}},_generatePosition:function(a,b){var c,d,e,f,g=this.options,h=this._isRootNode(this.scrollParent[0]),i=a.pageX,j=a.pageY;return h&&this.offset.scroll||(this.offset.scroll={top:this.scrollParent.scrollTop(),left:this.scrollParent.scrollLeft()}),b&&(this.containment&&(this.relativeContainer?(d=this.relativeContainer.offset(),c=[this.containment[0]+d.left,this.containment[1]+d.top,this.containment[2]+d.left,this.containment[3]+d.top]):c=this.containment,a.pageX-this.offset.click.left<c[0]&&(i=c[0]+this.offset.click.left),a.pageY-this.offset.click.top<c[1]&&(j=c[1]+this.offset.click.top),a.pageX-this.offset.click.left>c[2]&&(i=c[2]+this.offset.click.left),a.pageY-this.offset.click.top>c[3]&&(j=c[3]+this.offset.click.top)),g.grid&&(e=g.grid[1]?this.originalPageY+Math.round((j-this.originalPageY)/g.grid[1])*g.grid[1]:this.originalPageY,j=c?e-this.offset.click.top>=c[1]||e-this.offset.click.top>c[3]?e:e-this.offset.click.top>=c[1]?e-g.grid[1]:e+g.grid[1]:e,f=g.grid[0]?this.originalPageX+Math.round((i-this.originalPageX)/g.grid[0])*g.grid[0]:this.originalPageX,i=c?f-this.offset.click.left>=c[0]||f-this.offset.click.left>c[2]?f:f-this.offset.click.left>=c[0]?f-g.grid[0]:f+g.grid[0]:f),"y"===g.axis&&(i=this.originalPageX),"x"===g.axis&&(j=this.originalPageY)),{top:j-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.offset.scroll.top:h?0:this.offset.scroll.top),left:i-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.offset.scroll.left:h?0:this.offset.scroll.left)}},_clear:function(){this.helper.removeClass("ui-draggable-dragging"),this.helper[0]===this.element[0]||this.cancelHelperRemoval||this.helper.remove(),this.helper=null,this.cancelHelperRemoval=!1,this.destroyOnClear&&this.destroy()},_normalizeRightBottom:function(){"y"!==this.options.axis&&"auto"!==this.helper.css("right")&&(this.helper.width(this.helper.width()),this.helper.css("right","auto")),"x"!==this.options.axis&&"auto"!==this.helper.css("bottom")&&(this.helper.height(this.helper.height()),this.helper.css("bottom","auto"))},_trigger:function(b,c,d){return d=d||this._uiHash(),a.ui.plugin.call(this,b,[c,d,this],!0),/^(drag|start|stop)/.test(b)&&(this.positionAbs=this._convertPositionTo("absolute"),d.offset=this.positionAbs),a.Widget.prototype._trigger.call(this,b,c,d)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),a.ui.plugin.add("draggable","connectToSortable",{start:function(b,c,d){var e=a.extend({},c,{item:d.element});d.sortables=[],a(d.options.connectToSortable).each(function(){var c=a(this).sortable("instance");c&&!c.options.disabled&&(d.sortables.push(c),c.refreshPositions(),c._trigger("activate",b,e))})},stop:function(b,c,d){var e=a.extend({},c,{item:d.element});d.cancelHelperRemoval=!1,a.each(d.sortables,function(){var a=this;a.isOver?(a.isOver=0,d.cancelHelperRemoval=!0,a.cancelHelperRemoval=!1,a._storedCSS={position:a.placeholder.css("position"),top:a.placeholder.css("top"),left:a.placeholder.css("left")},a._mouseStop(b),a.options.helper=a.options._helper):(a.cancelHelperRemoval=!0,a._trigger("deactivate",b,e))})},drag:function(b,c,d){a.each(d.sortables,function(){var e=!1,f=this;f.positionAbs=d.positionAbs,f.helperProportions=d.helperProportions,f.offset.click=d.offset.click,f._intersectsWith(f.containerCache)&&(e=!0,a.each(d.sortables,function(){return this.positionAbs=d.positionAbs,this.helperProportions=d.helperProportions,this.offset.click=d.offset.click,this!==f&&this._intersectsWith(this.containerCache)&&a.contains(f.element[0],this.element[0])&&(e=!1),e})),e?(f.isOver||(f.isOver=1,d._parent=c.helper.parent(),f.currentItem=c.helper.appendTo(f.element).data("ui-sortable-item",!0),f.options._helper=f.options.helper,f.options.helper=function(){return c.helper[0]},b.target=f.currentItem[0],f._mouseCapture(b,!0),f._mouseStart(b,!0,!0),f.offset.click.top=d.offset.click.top,f.offset.click.left=d.offset.click.left,f.offset.parent.left-=d.offset.parent.left-f.offset.parent.left,f.offset.parent.top-=d.offset.parent.top-f.offset.parent.top,d._trigger("toSortable",b),d.dropped=f.element,a.each(d.sortables,function(){this.refreshPositions()}),d.currentItem=d.element,f.fromOutside=d),f.currentItem&&(f._mouseDrag(b),c.position=f.position)):f.isOver&&(f.isOver=0,f.cancelHelperRemoval=!0,f.options._revert=f.options.revert,f.options.revert=!1,f._trigger("out",b,f._uiHash(f)),f._mouseStop(b,!0),f.options.revert=f.options._revert,f.options.helper=f.options._helper,f.placeholder&&f.placeholder.remove(),c.helper.appendTo(d._parent),d._refreshOffsets(b),c.position=d._generatePosition(b,!0),d._trigger("fromSortable",b),d.dropped=!1,a.each(d.sortables,function(){this.refreshPositions()}))})}}),a.ui.plugin.add("draggable","cursor",{start:function(b,c,d){var e=a("body"),f=d.options;e.css("cursor")&&(f._cursor=e.css("cursor")),e.css("cursor",f.cursor)},stop:function(b,c,d){var e=d.options;e._cursor&&a("body").css("cursor",e._cursor)}}),a.ui.plugin.add("draggable","opacity",{start:function(b,c,d){var e=a(c.helper),f=d.options;e.css("opacity")&&(f._opacity=e.css("opacity")),e.css("opacity",f.opacity)},stop:function(b,c,d){var e=d.options;e._opacity&&a(c.helper).css("opacity",e._opacity)}}),a.ui.plugin.add("draggable","scroll",{start:function(a,b,c){c.scrollParentNotHidden||(c.scrollParentNotHidden=c.helper.scrollParent(!1)),c.scrollParentNotHidden[0]!==c.document[0]&&"HTML"!==c.scrollParentNotHidden[0].tagName&&(c.overflowOffset=c.scrollParentNotHidden.offset())},drag:function(b,c,d){var e=d.options,f=!1,g=d.scrollParentNotHidden[0],h=d.document[0];g!==h&&"HTML"!==g.tagName?(e.axis&&"x"===e.axis||(d.overflowOffset.top+g.offsetHeight-b.pageY<e.scrollSensitivity?g.scrollTop=f=g.scrollTop+e.scrollSpeed:b.pageY-d.overflowOffset.top<e.scrollSensitivity&&(g.scrollTop=f=g.scrollTop-e.scrollSpeed)),e.axis&&"y"===e.axis||(d.overflowOffset.left+g.offsetWidth-b.pageX<e.scrollSensitivity?g.scrollLeft=f=g.scrollLeft+e.scrollSpeed:b.pageX-d.overflowOffset.left<e.scrollSensitivity&&(g.scrollLeft=f=g.scrollLeft-e.scrollSpeed))):(e.axis&&"x"===e.axis||(b.pageY-a(h).scrollTop()<e.scrollSensitivity?f=a(h).scrollTop(a(h).scrollTop()-e.scrollSpeed):a(window).height()-(b.pageY-a(h).scrollTop())<e.scrollSensitivity&&(f=a(h).scrollTop(a(h).scrollTop()+e.scrollSpeed))),e.axis&&"y"===e.axis||(b.pageX-a(h).scrollLeft()<e.scrollSensitivity?f=a(h).scrollLeft(a(h).scrollLeft()-e.scrollSpeed):a(window).width()-(b.pageX-a(h).scrollLeft())<e.scrollSensitivity&&(f=a(h).scrollLeft(a(h).scrollLeft()+e.scrollSpeed)))),f!==!1&&a.ui.ddmanager&&!e.dropBehaviour&&a.ui.ddmanager.prepareOffsets(d,b)}}),a.ui.plugin.add("draggable","snap",{start:function(b,c,d){var e=d.options;d.snapElements=[],a(e.snap.constructor!==String?e.snap.items||":data(ui-draggable)":e.snap).each(function(){var b=a(this),c=b.offset();this!==d.element[0]&&d.snapElements.push({item:this,width:b.outerWidth(),height:b.outerHeight(),top:c.top,left:c.left})})},drag:function(b,c,d){var e,f,g,h,i,j,k,l,m,n,o=d.options,p=o.snapTolerance,q=c.offset.left,r=q+d.helperProportions.width,s=c.offset.top,t=s+d.helperProportions.height;for(m=d.snapElements.length-1;m>=0;m--)i=d.snapElements[m].left-d.margins.left,j=i+d.snapElements[m].width,k=d.snapElements[m].top-d.margins.top,l=k+d.snapElements[m].height,r<i-p||q>j+p||t<k-p||s>l+p||!a.contains(d.snapElements[m].item.ownerDocument,d.snapElements[m].item)?(d.snapElements[m].snapping&&d.options.snap.release&&d.options.snap.release.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[m].item})),d.snapElements[m].snapping=!1):("inner"!==o.snapMode&&(e=Math.abs(k-t)<=p,f=Math.abs(l-s)<=p,g=Math.abs(i-r)<=p,h=Math.abs(j-q)<=p,e&&(c.position.top=d._convertPositionTo("relative",{top:k-d.helperProportions.height,left:0}).top),f&&(c.position.top=d._convertPositionTo("relative",{top:l,left:0}).top),g&&(c.position.left=d._convertPositionTo("relative",{top:0,left:i-d.helperProportions.width}).left),h&&(c.position.left=d._convertPositionTo("relative",{top:0,left:j}).left)),n=e||f||g||h,"outer"!==o.snapMode&&(e=Math.abs(k-s)<=p,f=Math.abs(l-t)<=p,g=Math.abs(i-q)<=p,h=Math.abs(j-r)<=p,e&&(c.position.top=d._convertPositionTo("relative",{top:k,left:0}).top),f&&(c.position.top=d._convertPositionTo("relative",{top:l-d.helperProportions.height,left:0}).top),g&&(c.position.left=d._convertPositionTo("relative",{top:0,left:i}).left),h&&(c.position.left=d._convertPositionTo("relative",{top:0,left:j-d.helperProportions.width}).left)),!d.snapElements[m].snapping&&(e||f||g||h||n)&&d.options.snap.snap&&d.options.snap.snap.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[m].item})),d.snapElements[m].snapping=e||f||g||h||n)}}),a.ui.plugin.add("draggable","stack",{start:function(b,c,d){var e,f=d.options,g=a.makeArray(a(f.stack)).sort(function(b,c){return(parseInt(a(b).css("zIndex"),10)||0)-(parseInt(a(c).css("zIndex"),10)||0)});g.length&&(e=parseInt(a(g[0]).css("zIndex"),10)||0,a(g).each(function(b){a(this).css("zIndex",e+b)}),this.css("zIndex",e+g.length))}}),a.ui.plugin.add("draggable","zIndex",{start:function(b,c,d){var e=a(c.helper),f=d.options;e.css("zIndex")&&(f._zIndex=e.css("zIndex")),e.css("zIndex",f.zIndex)},stop:function(b,c,d){var e=d.options;e._zIndex&&a(c.helper).css("zIndex",e._zIndex)}}),a.ui.draggable});
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