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

(function(A){A.widget("ui.draggable",A.extend({},A.ui.mouse,{init:function(){var B=this.options;if(B.helper=="original"&&!(/(relative|absolute|fixed)/).test(this.element.css("position"))){this.element.css("position","relative")}this.element.addClass("ui-draggable");(B.disabled&&this.element.addClass("ui-draggable-disabled"));this.mouseInit()},mouseStart:function(F){var H=this.options;if(this.helper||H.disabled||A(F.target).is(".ui-resizable-handle")){return false}var C=!this.options.handle||!A(this.options.handle,this.element).length?true:false;A(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==F.target){C=true}});if(!C){return false}if(A.ui.ddmanager){A.ui.ddmanager.current=this}this.helper=A.isFunction(H.helper)?A(H.helper.apply(this.element[0],[F])):(H.helper=="clone"?this.element.clone():this.element);if(!this.helper.parents("body").length){this.helper.appendTo((H.appendTo=="parent"?this.element[0].parentNode:H.appendTo))}if(this.helper[0]!=this.element[0]&&!(/(fixed|absolute)/).test(this.helper.css("position"))){this.helper.css("position","absolute")}this.margins={left:(parseInt(this.element.css("marginLeft"),10)||0),top:(parseInt(this.element.css("marginTop"),10)||0)};this.cssPosition=this.helper.css("position");this.offset=this.element.offset();this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left};this.offset.click={left:F.pageX-this.offset.left,top:F.pageY-this.offset.top};this.offsetParent=this.helper.offsetParent();var B=this.offsetParent.offset();if(this.offsetParent[0]==document.body&&A.browser.mozilla){B={top:0,left:0}}this.offset.parent={top:B.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:B.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)};var E=this.element.position();this.offset.relative=this.cssPosition=="relative"?{top:E.top-(parseInt(this.helper.css("top"),10)||0)+this.offsetParent[0].scrollTop,left:E.left-(parseInt(this.helper.css("left"),10)||0)+this.offsetParent[0].scrollLeft}:{top:0,left:0};this.originalPosition=this.generatePosition(F);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(H.cursorAt){if(H.cursorAt.left!=undefined){this.offset.click.left=H.cursorAt.left+this.margins.left}if(H.cursorAt.right!=undefined){this.offset.click.left=this.helperProportions.width-H.cursorAt.right+this.margins.left}if(H.cursorAt.top!=undefined){this.offset.click.top=H.cursorAt.top+this.margins.top}if(H.cursorAt.bottom!=undefined){this.offset.click.top=this.helperProportions.height-H.cursorAt.bottom+this.margins.top}}if(H.containment){if(H.containment=="parent"){H.containment=this.helper[0].parentNode}if(H.containment=="document"||H.containment=="window"){this.containment=[0-this.offset.relative.left-this.offset.parent.left,0-this.offset.relative.top-this.offset.parent.top,A(H.containment=="document"?document:window).width()-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),(A(H.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}if(!(/^(document|window|parent)$/).test(H.containment)){var D=A(H.containment)[0];var G=A(H.containment).offset();this.containment=[G.left+(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left,G.top+(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top,G.left+Math.max(D.scrollWidth,D.offsetWidth)-(parseInt(A(D).css("borderLeftWidth"),10)||0)-this.offset.relative.left-this.offset.parent.left-this.helperProportions.width-this.margins.left-(parseInt(this.element.css("marginRight"),10)||0),G.top+Math.max(D.scrollHeight,D.offsetHeight)-(parseInt(A(D).css("borderTopWidth"),10)||0)-this.offset.relative.top-this.offset.parent.top-this.helperProportions.height-this.margins.top-(parseInt(this.element.css("marginBottom"),10)||0)]}}this.propagate("start",F);this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()};if(A.ui.ddmanager&&!H.dropBehaviour){A.ui.ddmanager.prepareOffsets(this,F)}this.helper.addClass("ui-draggable-dragging");this.mouseDrag(F);return true},convertPositionTo:function(C,D){if(!D){D=this.position}var B=C=="absolute"?1:-1;return{top:(D.top+this.offset.relative.top*B+this.offset.parent.top*B-(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollTop)*B+(this.cssPosition=="fixed"?A(document).scrollTop():0)*B+this.margins.top*B),left:(D.left+this.offset.relative.left*B+this.offset.parent.left*B-(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollLeft)*B+(this.cssPosition=="fixed"?A(document).scrollLeft():0)*B+this.margins.left*B)}},generatePosition:function(E){var F=this.options;var B={top:(E.pageY-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollTop)-(this.cssPosition=="fixed"?A(document).scrollTop():0)),left:(E.pageX-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition=="fixed"||(this.cssPosition=="absolute"&&this.offsetParent[0]==document.body)?0:this.offsetParent[0].scrollLeft)-(this.cssPosition=="fixed"?A(document).scrollLeft():0))};if(!this.originalPosition){return B}if(this.containment){if(B.left<this.containment[0]){B.left=this.containment[0]}if(B.top<this.containment[1]){B.top=this.containment[1]}if(B.left>this.containment[2]){B.left=this.containment[2]}if(B.top>this.containment[3]){B.top=this.containment[3]}}if(F.grid){var D=this.originalPosition.top+Math.round((B.top-this.originalPosition.top)/F.grid[1])*F.grid[1];B.top=this.containment?(!(D<this.containment[1]||D>this.containment[3])?D:(!(D<this.containment[1])?D-F.grid[1]:D+F.grid[1])):D;var C=this.originalPosition.left+Math.round((B.left-this.originalPosition.left)/F.grid[0])*F.grid[0];B.left=this.containment?(!(C<this.containment[0]||C>this.containment[2])?C:(!(C<this.containment[0])?C-F.grid[0]:C+F.grid[0])):C}return B},mouseDrag:function(B){this.position=this.generatePosition(B);this.positionAbs=this.convertPositionTo("absolute");this.position=this.propagate("drag",B)||this.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"}if(A.ui.ddmanager){A.ui.ddmanager.drag(this,B)}return false},mouseStop:function(C){var D=false;if(A.ui.ddmanager&&!this.options.dropBehaviour){var D=A.ui.ddmanager.drop(this,C)}if((this.options.revert=="invalid"&&!D)||(this.options.revert=="valid"&&D)||this.options.revert===true){var B=this;A(this.helper).animate(this.originalPosition,parseInt(this.options.revert,10)||500,function(){B.propagate("stop",C);B.clear()})}else{this.propagate("stop",C);this.clear()}return false},clear:function(){this.helper.removeClass("ui-draggable-dragging");if(this.options.helper!="original"&&!this.cancelHelperRemoval){this.helper.remove()}this.helper=null;this.cancelHelperRemoval=false},plugins:{},uiHash:function(B){return{helper:this.helper,position:this.position,absolutePosition:this.positionAbs,options:this.options}},propagate:function(C,B){A.ui.plugin.call(this,C,[B,this.uiHash()]);if(C=="drag"){this.positionAbs=this.convertPositionTo("absolute")}return this.element.triggerHandler(C=="drag"?C:"drag"+C,[B,this.uiHash()],this.options[C])},destroy:function(){if(!this.element.data("draggable")){return }this.element.removeData("draggable").unbind(".draggable").removeClass("ui-draggable");this.mouseDestroy()}}));A.extend(A.ui.draggable,{defaults:{appendTo:"parent",axis:false,cancel:":input",delay:0,distance:1,helper:"original"}});A.ui.plugin.add("draggable","cursor",{start:function(D,C){var B=A("body");if(B.css("cursor")){C.options._cursor=B.css("cursor")}B.css("cursor",C.options.cursor)},stop:function(C,B){if(B.options._cursor){A("body").css("cursor",B.options._cursor)}}});A.ui.plugin.add("draggable","zIndex",{start:function(D,C){var B=A(C.helper);if(B.css("zIndex")){C.options._zIndex=B.css("zIndex")}B.css("zIndex",C.options.zIndex)},stop:function(C,B){if(B.options._zIndex){A(B.helper).css("zIndex",B.options._zIndex)}}});A.ui.plugin.add("draggable","opacity",{start:function(D,C){var B=A(C.helper);if(B.css("opacity")){C.options._opacity=B.css("opacity")}B.css("opacity",C.options.opacity)},stop:function(C,B){if(B.options._opacity){A(B.helper).css("opacity",B.options._opacity)}}});A.ui.plugin.add("draggable","iframeFix",{start:function(C,B){A(B.options.iframeFix===true?"iframe":B.options.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:1000}).css(A(this).offset()).appendTo("body")})},stop:function(C,B){A("div.DragDropIframeFix").each(function(){this.parentNode.removeChild(this)})}});A.ui.plugin.add("draggable","scroll",{start:function(D,C){var E=C.options;var B=A(this).data("draggable");E.scrollSensitivity=E.scrollSensitivity||20;E.scrollSpeed=E.scrollSpeed||20;B.overflowY=function(F){do{if(/auto|scroll/.test(F.css("overflow"))||(/auto|scroll/).test(F.css("overflow-y"))){return F}F=F.parent()}while(F[0].parentNode);return A(document)}(this);B.overflowX=function(F){do{if(/auto|scroll/.test(F.css("overflow"))||(/auto|scroll/).test(F.css("overflow-x"))){return F}F=F.parent()}while(F[0].parentNode);return A(document)}(this);if(B.overflowY[0]!=document&&B.overflowY[0].tagName!="HTML"){B.overflowYOffset=B.overflowY.offset()}if(B.overflowX[0]!=document&&B.overflowX[0].tagName!="HTML"){B.overflowXOffset=B.overflowX.offset()}},drag:function(D,C){var E=C.options;var B=A(this).data("draggable");if(B.overflowY[0]!=document&&B.overflowY[0].tagName!="HTML"){if((B.overflowYOffset.top+B.overflowY[0].offsetHeight)-D.pageY<E.scrollSensitivity){B.overflowY[0].scrollTop=B.overflowY[0].scrollTop+E.scrollSpeed}if(D.pageY-B.overflowYOffset.top<E.scrollSensitivity){B.overflowY[0].scrollTop=B.overflowY[0].scrollTop-E.scrollSpeed}}else{if(D.pageY-A(document).scrollTop()<E.scrollSensitivity){A(document).scrollTop(A(document).scrollTop()-E.scrollSpeed)}if(A(window).height()-(D.pageY-A(document).scrollTop())<E.scrollSensitivity){A(document).scrollTop(A(document).scrollTop()+E.scrollSpeed)}}if(B.overflowX[0]!=document&&B.overflowX[0].tagName!="HTML"){if((B.overflowXOffset.left+B.overflowX[0].offsetWidth)-D.pageX<E.scrollSensitivity){B.overflowX[0].scrollLeft=B.overflowX[0].scrollLeft+E.scrollSpeed}if(D.pageX-B.overflowXOffset.left<E.scrollSensitivity){B.overflowX[0].scrollLeft=B.overflowX[0].scrollLeft-E.scrollSpeed}}else{if(D.pageX-A(document).scrollLeft()<E.scrollSensitivity){A(document).scrollLeft(A(document).scrollLeft()-E.scrollSpeed)}if(A(window).width()-(D.pageX-A(document).scrollLeft())<E.scrollSensitivity){A(document).scrollLeft(A(document).scrollLeft()+E.scrollSpeed)}}}});A.ui.plugin.add("draggable","snap",{start:function(D,C){var B=A(this).data("draggable");B.snapElements=[];A(C.options.snap===true?".ui-draggable":C.options.snap).each(function(){var F=A(this);var E=F.offset();if(this!=B.element[0]){B.snapElements.push({item:this,width:F.outerWidth(),height:F.outerHeight(),top:E.top,left:E.left})}})},drag:function(J,N){var I=A(this).data("draggable");var L=N.options.snapTolerance||20;var D=N.absolutePosition.left,C=D+I.helperProportions.width,P=N.absolutePosition.top,O=P+I.helperProportions.height;for(var H=I.snapElements.length-1;H>=0;H--){var E=I.snapElements[H].left,B=E+I.snapElements[H].width,R=I.snapElements[H].top,M=R+I.snapElements[H].height;if(!((E-L<D&&D<B+L&&R-L<P&&P<M+L)||(E-L<D&&D<B+L&&R-L<O&&O<M+L)||(E-L<C&&C<B+L&&R-L<P&&P<M+L)||(E-L<C&&C<B+L&&R-L<O&&O<M+L))){continue}if(N.options.snapMode!="inner"){var K=Math.abs(R-O)<=20;var Q=Math.abs(M-P)<=20;var G=Math.abs(E-C)<=20;var F=Math.abs(B-D)<=20;if(K){N.position.top=I.convertPositionTo("relative",{top:R-I.helperProportions.height,left:0}).top}if(Q){N.position.top=I.convertPositionTo("relative",{top:M,left:0}).top}if(G){N.position.left=I.convertPositionTo("relative",{top:0,left:E-I.helperProportions.width}).left}if(F){N.position.left=I.convertPositionTo("relative",{top:0,left:B}).left}}if(N.options.snapMode!="outer"){var K=Math.abs(R-P)<=20;var Q=Math.abs(M-O)<=20;var G=Math.abs(E-D)<=20;var F=Math.abs(B-C)<=20;if(K){N.position.top=I.convertPositionTo("relative",{top:R,left:0}).top}if(Q){N.position.top=I.convertPositionTo("relative",{top:M-I.helperProportions.height,left:0}).top}if(G){N.position.left=I.convertPositionTo("relative",{top:0,left:E}).left}if(F){N.position.left=I.convertPositionTo("relative",{top:0,left:B-I.helperProportions.width}).left}}}}});A.ui.plugin.add("draggable","connectToSortable",{start:function(D,C){var B=A(this).data("draggable");B.sortables=[];A(C.options.connectToSortable).each(function(){if(A.data(this,"sortable")){var E=A.data(this,"sortable");B.sortables.push({instance:E,shouldRevert:E.options.revert});E.refreshItems();E.propagate("activate",D,B)}})},stop:function(D,C){var B=A(this).data("draggable");A.each(B.sortables,function(){if(this.instance.isOver){this.instance.isOver=0;B.cancelHelperRemoval=true;this.instance.cancelHelperRemoval=false;if(this.shouldRevert){this.instance.options.revert=true}this.instance.mouseStop(D);this.instance.element.triggerHandler("sortreceive",[D,A.extend(this.instance.ui(),{sender:B.element})],this.instance.options["receive"]);this.instance.options.helper=this.instance.options._helper}else{this.instance.propagate("deactivate",D,B)}})},drag:function(F,E){var D=A(this).data("draggable"),B=this;var C=function(K){var H=K.left,J=H+K.width,I=K.top,G=I+K.height;return(H<(this.positionAbs.left+this.offset.click.left)&&(this.positionAbs.left+this.offset.click.left)<J&&I<(this.positionAbs.top+this.offset.click.top)&&(this.positionAbs.top+this.offset.click.top)<G)};A.each(D.sortables,function(G){if(C.call(D,this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=A(B).clone().appendTo(this.instance.element).data("sortable-item",true);this.instance.options._helper=this.instance.options.helper;this.instance.options.helper=function(){return E.helper[0]};F.target=this.instance.currentItem[0];this.instance.mouseCapture(F,true);this.instance.mouseStart(F,true,true);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.propagate("toSortable",F)}if(this.instance.currentItem){this.instance.mouseDrag(F)}}else{if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance.mouseStop(F,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();if(this.instance.placeholder){this.instance.placeholder.remove()}D.propagate("fromSortable",F)}}})}});A.ui.plugin.add("draggable","stack",{start:function(D,B){var C=A.makeArray(A(B.options.stack.group)).sort(function(F,E){return(parseInt(A(F).css("zIndex"),10)||B.options.stack.min)-(parseInt(A(E).css("zIndex"),10)||B.options.stack.min)});A(C).each(function(E){this.style.zIndex=B.options.stack.min+E});this[0].style.zIndex=B.options.stack.min+C.length}})})(jQuery);