WordPress/wp-includes/js/jquery/ui/jquery.ui.draggable.min.js

/*! jQuery UI - v1.8.20 - 2012-04-30
* https://github.com/jquery/jquery-ui
* Includes: jquery.ui.draggable.js
* Copyright (c) 2012 AUTHORS.txt; Licensed MIT, GPL */
(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);var d=this.element[0],e=!1;while(d&&(d=d.parentNode))d==document&&(e=!0);if(!e&&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 f=this;a(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){f._trigger("stop",b)!==!1&&f._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==b.target&&(c=!0)}),c},_createHelper:function(b){var c=this.options,d=a.isFunction(c.helper)?a(c.helper.apply(this.element[0],[b])):c.helper=="clone"?this.element.clone().removeAttr("id"):this.element;return d.parents("body").length||d.appendTo(c.appendTo=="parent"?this.element[0].parentNode:c.appendTo),d[0]!=this.element[0]&&!/(fixed|absolute)/.test(d.css("position"))&&d.css("position","absolute"),d},_adjustOffsetFromHelper:function(b){typeof b=="string"&&(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)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var b=this.offsetParent.offset();this.cssPosition=="absolute"&&this.scrollParent[0]!=document&&a.ui.contains(this.scrollParent[0],this.offsetParent[0])&&(b.left+=this.scrollParent.scrollLeft(),b.top+=this.scrollParent.scrollTop());if(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&a.browser.msie)b={top:0,left:0};return{top:b.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:b.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition=="relative"){var a=this.element.position();return{top:a.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:a.left-(parseInt(this.helper.css("left"),10)||0)+this.scrollParent.scrollLeft()}}return{top:0,left:0}},_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=this.options;b.containment=="parent"&&(b.containment=this.helper[0].parentNode);if(b.containment=="document"||b.containment=="window")this.containment=[b.containment=="document"?0:a(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,b.containment=="document"?0:a(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,(b.containment=="document"?0:a(window).scrollLeft())+a(b.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(b.containment=="document"?0:a(window).scrollTop())+(a(b.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(b.containment)&&b.containment.constructor!=Array){var c=a(b.containment),d=c[0];if(!d)return;var e=c.offset(),f=a(d).css("overflow")!="hidden";this.containment=[(parseInt(a(d).css("borderLeftWidth"),10)||0)+(parseInt(a(d).css("paddingLeft"),10)||0),(parseInt(a(d).css("borderTopWidth"),10)||0)+(parseInt(a(d).css("paddingTop"),10)||0),(f?Math.max(d.scrollWidth,d.offsetWidth):d.offsetWidth)-(parseInt(a(d).css("borderLeftWidth"),10)||0)-(parseInt(a(d).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(f?Math.max(d.scrollHeight,d.offsetHeight):d.offsetHeight)-(parseInt(a(d).css("borderTopWidth"),10)||0)-(parseInt(a(d).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=c}else b.containment.constructor==Array&&(this.containment=b.containment)},_convertPositionTo:function(b,c){c||(c=this.position);var d=b=="absolute"?1:-1,e=this.options,f=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,g=/(html|body)/i.test(f[0].tagName);return{top:c.top+this.offset.relative.top*d+this.offset.parent.top*d-(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():g?0:f.scrollTop())*d),left:c.left+this.offset.relative.left*d+this.offset.parent.left*d-(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():g?0:f.scrollLeft())*d)}},_generatePosition:function(b){var c=this.options,d=this.cssPosition=="absolute"&&(this.scrollParent[0]==document||!a.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,e=/(html|body)/i.test(d[0].tagName),f=b.pageX,g=b.pageY;if(this.originalPosition){var h;if(this.containment){if(this.relative_container){var i=this.relative_container.offset();h=[this.containment[0]+i.left,this.containment[1]+i.top,this.containment[2]+i.left,this.containment[3]+i.top]}else h=this.containment;b.pageX-this.offset.click.left<h[0]&&(f=h[0]+this.offset.click.left),b.pageY-this.offset.click.top<h[1]&&(g=h[1]+this.offset.click.top),b.pageX-this.offset.click.left>h[2]&&(f=h[2]+this.offset.click.left),b.pageY-this.offset.click.top>h[3]&&(g=h[3]+this.offset.click.top)}if(c.grid){var j=c.grid[1]?this.originalPageY+Math.round((g-this.originalPageY)/c.grid[1])*c.grid[1]:this.originalPageY;g=h?j-this.offset.click.top<h[1]||j-this.offset.click.top>h[3]?j-this.offset.click.top<h[1]?j+c.grid[1]:j-c.grid[1]:j:j;var k=c.grid[0]?this.originalPageX+Math.round((f-this.originalPageX)/c.grid[0])*c.grid[0]:this.originalPageX;f=h?k-this.offset.click.left<h[0]||k-this.offset.click.left>h[2]?k-this.offset.click.left<h[0]?k+c.grid[0]:k-c.grid[0]:k:k}}return{top:g-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollTop():e?0:d.scrollTop()),left:f-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(a.browser.safari&&a.browser.version<526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():e?0:d.scrollLeft())}},_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},_trigger:function(b,c,d){return d=d||this._uiHash(),a.ui.plugin.call(this,b,[c,d]),b=="drag"&&(this.positionAbs=this._convertPositionTo("absolute")),a.Widget.prototype._trigger.call(this,b,c,d)},plugins:{},_uiHash:function(a){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),a.extend(a.ui.draggable,{version:"1.8.20"}),a.ui.plugin.add("draggable","connectToSortable",{start:function(b,c){var d=a(this).data("draggable"),e=d.options,f=a.extend({},c,{item:d.element});d.sortables=[],a(e.connectToSortable).each(function(){var c=a.data(this,"sortable");c&&!c.options.disabled&&(d.sortables.push({instance:c,shouldRevert:c.options.revert}),c.refreshPositions(),c._trigger("activate",b,f))})},stop:function(b,c){var d=a(this).data("draggable"),e=a.extend({},c,{item:d.element});a.each(d.sortables,function(){this.instance.isOver?(this.instance.isOver=0,d.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=!0),this.instance._mouseStop(b),this.instance.options.helper=this.instance.options._helper,d.options.helper=="original"&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",b,e))})},drag:function(b,c){var d=a(this).data("draggable"),e=this,f=function(b){var c=this.offset.click.top,d=this.offset.click.left,e=this.positionAbs.top,f=this.positionAbs.left,g=b.height,h=b.width,i=b.top,j=b.left;return a.ui.isOver(e+c,f+d,i,j,g,h)};a.each(d.sortables,function(f){this.instance.positionAbs=d.positionAbs,this.instance.helperProportions=d.helperProportions,this.instance.offset.click=d.offset.click,this.instance._intersectsWith(this.instance.containerCache)?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=a(e).clone().removeAttr("id").appendTo(this.instance.element).data("sortable-item",!0),this.instance.options._helper=this.instance.options.helper,this.instance.options.helper=function(){return c.helper[0]},b.target=this.instance.currentItem[0],this.instance._mouseCapture(b,!0),this.instance._mouseStart(b,!0,!0),this.instance.offset.click.top=d.offset.click.top,this.instance.offset.click.left=d.offset.click.left,this.instance.offset.parent.left-=d.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=d.offset.parent.top-this.instance.offset.parent.top,d._trigger("toSortable",b),d.dropped=this.instance.element,d.currentItem=d.element,this.instance.fromOutside=d),this.instance.currentItem&&this.instance._mouseDrag(b)):this.instance.isOver&&(this.instance.isOver=0,this.instance.cancelHelperRemoval=!0,this.instance.options.revert=!1,this.instance._trigger("out",b,this.instance._uiHash(this.instance)),this.instance._mouseStop(b,!0),this.instance.options.helper=this.instance.options._helper,this.instance.currentItem.remove(),this.instance.placeholder&&this.instance.placeholder.remove(),d._trigger("fromSortable",b),d.dropped=!1)})}}),a.ui.plugin.add("draggable","cursor",{start:function(b,c){var d=a("body"),e=a(this).data("draggable").options;d.css("cursor")&&(e._cursor=d.css("cursor")),d.css("cursor",e.cursor)},stop:function(b,c){var d=a(this).data("draggable").options;d._cursor&&a("body").css("cursor",d._cursor)}}),a.ui.plugin.add("draggable","opacity",{start:function(b,c){var d=a(c.helper),e=a(this).data("draggable").options;d.css("opacity")&&(e._opacity=d.css("opacity")),d.css("opacity",e.opacity)},stop:function(b,c){var d=a(this).data("draggable").options;d._opacity&&a(c.helper).css("opacity",d._opacity)}}),a.ui.plugin.add("draggable","scroll",{start:function(b,c){var d=a(this).data("draggable");d.scrollParent[0]!=document&&d.scrollParent[0].tagName!="HTML"&&(d.overflowOffset=d.scrollParent.offset())},drag:function(b,c){var d=a(this).data("draggable"),e=d.options,f=!1;if(d.scrollParent[0]!=document&&d.scrollParent[0].tagName!="HTML"){if(!e.axis||e.axis!="x")d.overflowOffset.top+d.scrollParent[0].offsetHeight-b.pageY<e.scrollSensitivity?d.scrollParent[0].scrollTop=f=d.scrollParent[0].scrollTop+e.scrollSpeed:b.pageY-d.overflowOffset.top<e.scrollSensitivity&&(d.scrollParent[0].scrollTop=f=d.scrollParent[0].scrollTop-e.scrollSpeed);if(!e.axis||e.axis!="y")d.overflowOffset.left+d.scrollParent[0].offsetWidth-b.pageX<e.scrollSensitivity?d.scrollParent[0].scrollLeft=f=d.scrollParent[0].scrollLeft+e.scrollSpeed:b.pageX-d.overflowOffset.left<e.scrollSensitivity&&(d.scrollParent[0].scrollLeft=f=d.scrollParent[0].scrollLeft-e.scrollSpeed)}else{if(!e.axis||e.axis!="x")b.pageY-a(document).scrollTop()<e.scrollSensitivity?f=a(document).scrollTop(a(document).scrollTop()-e.scrollSpeed):a(window).height()-(b.pageY-a(document).scrollTop())<e.scrollSensitivity&&(f=a(document).scrollTop(a(document).scrollTop()+e.scrollSpeed));if(!e.axis||e.axis!="y")b.pageX-a(document).scrollLeft()<e.scrollSensitivity?f=a(document).scrollLeft(a(document).scrollLeft()-e.scrollSpeed):a(window).width()-(b.pageX-a(document).scrollLeft())<e.scrollSensitivity&&(f=a(document).scrollLeft(a(document).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){var d=a(this).data("draggable"),e=d.options;d.snapElements=[],a(e.snap.constructor!=String?e.snap.items||":data(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){var d=a(this).data("draggable"),e=d.options,f=e.snapTolerance,g=c.offset.left,h=g+d.helperProportions.width,i=c.offset.top,j=i+d.helperProportions.height;for(var k=d.snapElements.length-1;k>=0;k--){var l=d.snapElements[k].left,m=l+d.snapElements[k].width,n=d.snapElements[k].top,o=n+d.snapElements[k].height;if(!(l-f<g&&g<m+f&&n-f<i&&i<o+f||l-f<g&&g<m+f&&n-f<j&&j<o+f||l-f<h&&h<m+f&&n-f<i&&i<o+f||l-f<h&&h<m+f&&n-f<j&&j<o+f)){d.snapElements[k].snapping&&d.options.snap.release&&d.options.snap.release.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[k].item})),d.snapElements[k].snapping=!1;continue}if(e.snapMode!="inner"){var p=Math.abs(n-j)<=f,q=Math.abs(o-i)<=f,r=Math.abs(l-h)<=f,s=Math.abs(m-g)<=f;p&&(c.position.top=d._convertPositionTo("relative",{top:n-d.helperProportions.height,left:0}).top-d.margins.top),q&&(c.position.top=d._convertPositionTo("relative",{top:o,left:0}).top-d.margins.top),r&&(c.position.left=d._convertPositionTo("relative",{top:0,left:l-d.helperProportions.width}).left-d.margins.left),s&&(c.position.left=d._convertPositionTo("relative",{top:0,left:m}).left-d.margins.left)}var t=p||q||r||s;if(e.snapMode!="outer"){var p=Math.abs(n-i)<=f,q=Math.abs(o-j)<=f,r=Math.abs(l-g)<=f,s=Math.abs(m-h)<=f;p&&(c.position.top=d._convertPositionTo("relative",{top:n,left:0}).top-d.margins.top),q&&(c.position.top=d._convertPositionTo("relative",{top:o-d.helperProportions.height,left:0}).top-d.margins.top),r&&(c.position.left=d._convertPositionTo("relative",{top:0,left:l}).left-d.margins.left),s&&(c.position.left=d._convertPositionTo("relative",{top:0,left:m-d.helperProportions.width}).left-d.margins.left)}!d.snapElements[k].snapping&&(p||q||r||s||t)&&d.options.snap.snap&&d.options.snap.snap.call(d.element,b,a.extend(d._uiHash(),{snapItem:d.snapElements[k].item})),d.snapElements[k].snapping=p||q||r||s||t}}}),a.ui.plugin.add("draggable","stack",{start:function(b,c){var d=a(this).data("draggable").options,e=a.makeArray(a(d.stack)).sort(function(b,c){return(parseInt(a(b).css("zIndex"),10)||0)-(parseInt(a(c).css("zIndex"),10)||0)});if(!e.length)return;var f=parseInt(e[0].style.zIndex)||0;a(e).each(function(a){this.style.zIndex=f+a}),this[0].style.zIndex=f+e.length}}),a.ui.plugin.add("draggable","zIndex",{start:function(b,c){var d=a(c.helper),e=a(this).data("draggable").options;d.css("zIndex")&&(e._zIndex=d.css("zIndex")),d.css("zIndex",e.zIndex)},stop:function(b,c){var d=a(this).data("draggable").options;d._zIndex&&a(c.helper).css("zIndex",d._zIndex)}})})(jQuery);