jQuery UI image assets are missing on webkit.org website.
[WebKit-https.git] / Websites / webkit.org / ajax / libs / jqueryui / 1.8.15 / ui / jquery.ui.draggable.min.js
1 /*
2  * jQuery UI Draggable 1.8.15
3  *
4  * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
5  * Dual licensed under the MIT or GPL Version 2 licenses.
6  * http://jquery.org/license
7  *
8  * http://docs.jquery.com/UI/Draggables
9  *
10  * Depends:
11  *      jquery.ui.core.js
12  *      jquery.ui.mouse.js
13  *      jquery.ui.widget.js
14  */
15 (function(d){d.widget("ui.draggable",d.ui.mouse,{widgetEventPrefix:"drag",options:{addClasses:true,appendTo:"parent",axis:false,connectToSortable:false,containment:false,cursor:"auto",cursorAt:false,grid:false,handle:false,helper:"original",iframeFix:false,opacity:false,refreshPositions:false,revert:false,revertDuration:500,scope:"default",scroll:true,scrollSensitivity:20,scrollSpeed:20,snap:false,snapMode:"both",snapTolerance:20,stack:false,zIndex:false},_create:function(){if(this.options.helper==
16 "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")){this.element.removeData("draggable").unbind(".draggable").removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled");this._mouseDestroy();return this}},_mouseCapture:function(a){var b=
17 this.options;if(this.helper||b.disabled||d(a.target).is(".ui-resizable-handle"))return false;this.handle=this._getHandle(a);if(!this.handle)return false;d(b.iframeFix===true?"iframe":b.iframeFix).each(function(){d('<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(d(this).offset()).appendTo("body")});return true},_mouseStart:function(a){var b=this.options;this.helper=
18 this._createHelper(a);this._cacheHelperProportions();if(d.ui.ddmanager)d.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};d.extend(this.offset,{click:{left:a.pageX-this.offset.left,top:a.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()});
19 this.originalPosition=this.position=this._generatePosition(a);this.originalPageX=a.pageX;this.originalPageY=a.pageY;b.cursorAt&&this._adjustOffsetFromHelper(b.cursorAt);b.containment&&this._setContainment();if(this._trigger("start",a)===false){this._clear();return false}this._cacheHelperProportions();d.ui.ddmanager&&!b.dropBehaviour&&d.ui.ddmanager.prepareOffsets(this,a);this.helper.addClass("ui-draggable-dragging");this._mouseDrag(a,true);d.ui.ddmanager&&d.ui.ddmanager.dragStart(this,a);return true},
20 _mouseDrag:function(a,b){this.position=this._generatePosition(a);this.positionAbs=this._convertPositionTo("absolute");if(!b){b=this._uiHash();if(this._trigger("drag",a,b)===false){this._mouseUp({});return false}this.position=b.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";d.ui.ddmanager&&d.ui.ddmanager.drag(this,a);return false},_mouseStop:function(a){var b=
21 false;if(d.ui.ddmanager&&!this.options.dropBehaviour)b=d.ui.ddmanager.drop(this,a);if(this.dropped){b=this.dropped;this.dropped=false}if((!this.element[0]||!this.element[0].parentNode)&&this.options.helper=="original")return false;if(this.options.revert=="invalid"&&!b||this.options.revert=="valid"&&b||this.options.revert===true||d.isFunction(this.options.revert)&&this.options.revert.call(this.element,b)){var c=this;d(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,
22 10),function(){c._trigger("stop",a)!==false&&c._clear()})}else this._trigger("stop",a)!==false&&this._clear();return false},_mouseUp:function(a){this.options.iframeFix===true&&d("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)});d.ui.ddmanager&&d.ui.ddmanager.dragStop(this,a);return d.ui.mouse.prototype._mouseUp.call(this,a)},cancel:function(){this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear();return this},_getHandle:function(a){var b=!this.options.handle||
23 !d(this.options.handle,this.element).length?true:false;d(this.options.handle,this.element).find("*").andSelf().each(function(){if(this==a.target)b=true});return b},_createHelper:function(a){var b=this.options;a=d.isFunction(b.helper)?d(b.helper.apply(this.element[0],[a])):b.helper=="clone"?this.element.clone().removeAttr("id"):this.element;a.parents("body").length||a.appendTo(b.appendTo=="parent"?this.element[0].parentNode:b.appendTo);a[0]!=this.element[0]&&!/(fixed|absolute)/.test(a.css("position"))&&
24 a.css("position","absolute");return a},_adjustOffsetFromHelper:function(a){if(typeof a=="string")a=a.split(" ");if(d.isArray(a))a={left:+a[0],top:+a[1]||0};if("left"in a)this.offset.click.left=a.left+this.margins.left;if("right"in a)this.offset.click.left=this.helperProportions.width-a.right+this.margins.left;if("top"in a)this.offset.click.top=a.top+this.margins.top;if("bottom"in a)this.offset.click.top=this.helperProportions.height-a.bottom+this.margins.top},_getParentOffset:function(){this.offsetParent=
25 this.helper.offsetParent();var a=this.offsetParent.offset();if(this.cssPosition=="absolute"&&this.scrollParent[0]!=document&&d.ui.contains(this.scrollParent[0],this.offsetParent[0])){a.left+=this.scrollParent.scrollLeft();a.top+=this.scrollParent.scrollTop()}if(this.offsetParent[0]==document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()=="html"&&d.browser.msie)a={top:0,left:0};return{top:a.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:a.left+(parseInt(this.offsetParent.css("borderLeftWidth"),
26 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()}}else 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"),
27 10)||0}},_cacheHelperProportions:function(){this.helperProportions={width:this.helper.outerWidth(),height:this.helper.outerHeight()}},_setContainment:function(){var a=this.options;if(a.containment=="parent")a.containment=this.helper[0].parentNode;if(a.containment=="document"||a.containment=="window")this.containment=[a.containment=="document"?0:d(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,a.containment=="document"?0:d(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,
28 (a.containment=="document"?0:d(window).scrollLeft())+d(a.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(a.containment=="document"?0:d(window).scrollTop())+(d(a.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(a.containment)&&a.containment.constructor!=Array){a=d(a.containment);var b=a[0];if(b){a.offset();var c=d(b).css("overflow")!=
29 "hidden";this.containment=[(parseInt(d(b).css("borderLeftWidth"),10)||0)+(parseInt(d(b).css("paddingLeft"),10)||0),(parseInt(d(b).css("borderTopWidth"),10)||0)+(parseInt(d(b).css("paddingTop"),10)||0),(c?Math.max(b.scrollWidth,b.offsetWidth):b.offsetWidth)-(parseInt(d(b).css("borderLeftWidth"),10)||0)-(parseInt(d(b).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(c?Math.max(b.scrollHeight,b.offsetHeight):b.offsetHeight)-(parseInt(d(b).css("borderTopWidth"),
30 10)||0)-(parseInt(d(b).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom];this.relative_container=a}}else if(a.containment.constructor==Array)this.containment=a.containment},_convertPositionTo:function(a,b){if(!b)b=this.position;a=a=="absolute"?1:-1;var c=this.cssPosition=="absolute"&&!(this.scrollParent[0]!=document&&d.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,f=/(html|body)/i.test(c[0].tagName);return{top:b.top+
31 this.offset.relative.top*a+this.offset.parent.top*a-(d.browser.safari&&d.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():f?0:c.scrollTop())*a),left:b.left+this.offset.relative.left*a+this.offset.parent.left*a-(d.browser.safari&&d.browser.version<526&&this.cssPosition=="fixed"?0:(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():f?0:c.scrollLeft())*a)}},_generatePosition:function(a){var b=this.options,c=this.cssPosition=="absolute"&&
32 !(this.scrollParent[0]!=document&&d.ui.contains(this.scrollParent[0],this.offsetParent[0]))?this.offsetParent:this.scrollParent,f=/(html|body)/i.test(c[0].tagName),e=a.pageX,h=a.pageY;if(this.originalPosition){var g;if(this.containment){if(this.relative_container){g=this.relative_container.offset();g=[this.containment[0]+g.left,this.containment[1]+g.top,this.containment[2]+g.left,this.containment[3]+g.top]}else g=this.containment;if(a.pageX-this.offset.click.left<g[0])e=g[0]+this.offset.click.left;
33 if(a.pageY-this.offset.click.top<g[1])h=g[1]+this.offset.click.top;if(a.pageX-this.offset.click.left>g[2])e=g[2]+this.offset.click.left;if(a.pageY-this.offset.click.top>g[3])h=g[3]+this.offset.click.top}if(b.grid){h=b.grid[1]?this.originalPageY+Math.round((h-this.originalPageY)/b.grid[1])*b.grid[1]:this.originalPageY;h=g?!(h-this.offset.click.top<g[1]||h-this.offset.click.top>g[3])?h:!(h-this.offset.click.top<g[1])?h-b.grid[1]:h+b.grid[1]:h;e=b.grid[0]?this.originalPageX+Math.round((e-this.originalPageX)/
34 b.grid[0])*b.grid[0]:this.originalPageX;e=g?!(e-this.offset.click.left<g[0]||e-this.offset.click.left>g[2])?e:!(e-this.offset.click.left<g[0])?e-b.grid[0]:e+b.grid[0]:e}}return{top:h-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(d.browser.safari&&d.browser.version<526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollTop():f?0:c.scrollTop()),left:e-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(d.browser.safari&&d.browser.version<
35 526&&this.cssPosition=="fixed"?0:this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():f?0:c.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=false},_trigger:function(a,b,c){c=c||this._uiHash();d.ui.plugin.call(this,a,[b,c]);if(a=="drag")this.positionAbs=this._convertPositionTo("absolute");return d.Widget.prototype._trigger.call(this,a,b,
36 c)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}});d.extend(d.ui.draggable,{version:"1.8.15"});d.ui.plugin.add("draggable","connectToSortable",{start:function(a,b){var c=d(this).data("draggable"),f=c.options,e=d.extend({},b,{item:c.element});c.sortables=[];d(f.connectToSortable).each(function(){var h=d.data(this,"sortable");if(h&&!h.options.disabled){c.sortables.push({instance:h,shouldRevert:h.options.revert});
37 h.refreshPositions();h._trigger("activate",a,e)}})},stop:function(a,b){var c=d(this).data("draggable"),f=d.extend({},b,{item:c.element});d.each(c.sortables,function(){if(this.instance.isOver){this.instance.isOver=0;c.cancelHelperRemoval=true;this.instance.cancelHelperRemoval=false;if(this.shouldRevert)this.instance.options.revert=true;this.instance._mouseStop(a);this.instance.options.helper=this.instance.options._helper;c.options.helper=="original"&&this.instance.currentItem.css({top:"auto",left:"auto"})}else{this.instance.cancelHelperRemoval=
38 false;this.instance._trigger("deactivate",a,f)}})},drag:function(a,b){var c=d(this).data("draggable"),f=this;d.each(c.sortables,function(){this.instance.positionAbs=c.positionAbs;this.instance.helperProportions=c.helperProportions;this.instance.offset.click=c.offset.click;if(this.instance._intersectsWith(this.instance.containerCache)){if(!this.instance.isOver){this.instance.isOver=1;this.instance.currentItem=d(f).clone().removeAttr("id").appendTo(this.instance.element).data("sortable-item",true);
39 this.instance.options._helper=this.instance.options.helper;this.instance.options.helper=function(){return b.helper[0]};a.target=this.instance.currentItem[0];this.instance._mouseCapture(a,true);this.instance._mouseStart(a,true,true);this.instance.offset.click.top=c.offset.click.top;this.instance.offset.click.left=c.offset.click.left;this.instance.offset.parent.left-=c.offset.parent.left-this.instance.offset.parent.left;this.instance.offset.parent.top-=c.offset.parent.top-this.instance.offset.parent.top;
40 c._trigger("toSortable",a);c.dropped=this.instance.element;c.currentItem=c.element;this.instance.fromOutside=c}this.instance.currentItem&&this.instance._mouseDrag(a)}else if(this.instance.isOver){this.instance.isOver=0;this.instance.cancelHelperRemoval=true;this.instance.options.revert=false;this.instance._trigger("out",a,this.instance._uiHash(this.instance));this.instance._mouseStop(a,true);this.instance.options.helper=this.instance.options._helper;this.instance.currentItem.remove();this.instance.placeholder&&
41 this.instance.placeholder.remove();c._trigger("fromSortable",a);c.dropped=false}})}});d.ui.plugin.add("draggable","cursor",{start:function(){var a=d("body"),b=d(this).data("draggable").options;if(a.css("cursor"))b._cursor=a.css("cursor");a.css("cursor",b.cursor)},stop:function(){var a=d(this).data("draggable").options;a._cursor&&d("body").css("cursor",a._cursor)}});d.ui.plugin.add("draggable","opacity",{start:function(a,b){a=d(b.helper);b=d(this).data("draggable").options;if(a.css("opacity"))b._opacity=
42 a.css("opacity");a.css("opacity",b.opacity)},stop:function(a,b){a=d(this).data("draggable").options;a._opacity&&d(b.helper).css("opacity",a._opacity)}});d.ui.plugin.add("draggable","scroll",{start:function(){var a=d(this).data("draggable");if(a.scrollParent[0]!=document&&a.scrollParent[0].tagName!="HTML")a.overflowOffset=a.scrollParent.offset()},drag:function(a){var b=d(this).data("draggable"),c=b.options,f=false;if(b.scrollParent[0]!=document&&b.scrollParent[0].tagName!="HTML"){if(!c.axis||c.axis!=
43 "x")if(b.overflowOffset.top+b.scrollParent[0].offsetHeight-a.pageY<c.scrollSensitivity)b.scrollParent[0].scrollTop=f=b.scrollParent[0].scrollTop+c.scrollSpeed;else if(a.pageY-b.overflowOffset.top<c.scrollSensitivity)b.scrollParent[0].scrollTop=f=b.scrollParent[0].scrollTop-c.scrollSpeed;if(!c.axis||c.axis!="y")if(b.overflowOffset.left+b.scrollParent[0].offsetWidth-a.pageX<c.scrollSensitivity)b.scrollParent[0].scrollLeft=f=b.scrollParent[0].scrollLeft+c.scrollSpeed;else if(a.pageX-b.overflowOffset.left<
44 c.scrollSensitivity)b.scrollParent[0].scrollLeft=f=b.scrollParent[0].scrollLeft-c.scrollSpeed}else{if(!c.axis||c.axis!="x")if(a.pageY-d(document).scrollTop()<c.scrollSensitivity)f=d(document).scrollTop(d(document).scrollTop()-c.scrollSpeed);else if(d(window).height()-(a.pageY-d(document).scrollTop())<c.scrollSensitivity)f=d(document).scrollTop(d(document).scrollTop()+c.scrollSpeed);if(!c.axis||c.axis!="y")if(a.pageX-d(document).scrollLeft()<c.scrollSensitivity)f=d(document).scrollLeft(d(document).scrollLeft()-
45 c.scrollSpeed);else if(d(window).width()-(a.pageX-d(document).scrollLeft())<c.scrollSensitivity)f=d(document).scrollLeft(d(document).scrollLeft()+c.scrollSpeed)}f!==false&&d.ui.ddmanager&&!c.dropBehaviour&&d.ui.ddmanager.prepareOffsets(b,a)}});d.ui.plugin.add("draggable","snap",{start:function(){var a=d(this).data("draggable"),b=a.options;a.snapElements=[];d(b.snap.constructor!=String?b.snap.items||":data(draggable)":b.snap).each(function(){var c=d(this),f=c.offset();this!=a.element[0]&&a.snapElements.push({item:this,
46 width:c.outerWidth(),height:c.outerHeight(),top:f.top,left:f.left})})},drag:function(a,b){for(var c=d(this).data("draggable"),f=c.options,e=f.snapTolerance,h=b.offset.left,g=h+c.helperProportions.width,n=b.offset.top,o=n+c.helperProportions.height,i=c.snapElements.length-1;i>=0;i--){var j=c.snapElements[i].left,l=j+c.snapElements[i].width,k=c.snapElements[i].top,m=k+c.snapElements[i].height;if(j-e<h&&h<l+e&&k-e<n&&n<m+e||j-e<h&&h<l+e&&k-e<o&&o<m+e||j-e<g&&g<l+e&&k-e<n&&n<m+e||j-e<g&&g<l+e&&k-e<o&&
47 o<m+e){if(f.snapMode!="inner"){var p=Math.abs(k-o)<=e,q=Math.abs(m-n)<=e,r=Math.abs(j-g)<=e,s=Math.abs(l-h)<=e;if(p)b.position.top=c._convertPositionTo("relative",{top:k-c.helperProportions.height,left:0}).top-c.margins.top;if(q)b.position.top=c._convertPositionTo("relative",{top:m,left:0}).top-c.margins.top;if(r)b.position.left=c._convertPositionTo("relative",{top:0,left:j-c.helperProportions.width}).left-c.margins.left;if(s)b.position.left=c._convertPositionTo("relative",{top:0,left:l}).left-c.margins.left}var t=
48 p||q||r||s;if(f.snapMode!="outer"){p=Math.abs(k-n)<=e;q=Math.abs(m-o)<=e;r=Math.abs(j-h)<=e;s=Math.abs(l-g)<=e;if(p)b.position.top=c._convertPositionTo("relative",{top:k,left:0}).top-c.margins.top;if(q)b.position.top=c._convertPositionTo("relative",{top:m-c.helperProportions.height,left:0}).top-c.margins.top;if(r)b.position.left=c._convertPositionTo("relative",{top:0,left:j}).left-c.margins.left;if(s)b.position.left=c._convertPositionTo("relative",{top:0,left:l-c.helperProportions.width}).left-c.margins.left}if(!c.snapElements[i].snapping&&
49 (p||q||r||s||t))c.options.snap.snap&&c.options.snap.snap.call(c.element,a,d.extend(c._uiHash(),{snapItem:c.snapElements[i].item}));c.snapElements[i].snapping=p||q||r||s||t}else{c.snapElements[i].snapping&&c.options.snap.release&&c.options.snap.release.call(c.element,a,d.extend(c._uiHash(),{snapItem:c.snapElements[i].item}));c.snapElements[i].snapping=false}}}});d.ui.plugin.add("draggable","stack",{start:function(){var a=d(this).data("draggable").options;a=d.makeArray(d(a.stack)).sort(function(c,f){return(parseInt(d(c).css("zIndex"),
50 10)||0)-(parseInt(d(f).css("zIndex"),10)||0)});if(a.length){var b=parseInt(a[0].style.zIndex)||0;d(a).each(function(c){this.style.zIndex=b+c});this[0].style.zIndex=b+a.length}}});d.ui.plugin.add("draggable","zIndex",{start:function(a,b){a=d(b.helper);b=d(this).data("draggable").options;if(a.css("zIndex"))b._zIndex=a.css("zIndex");a.css("zIndex",b.zIndex)},stop:function(a,b){a=d(this).data("draggable").options;a._zIndex&&d(b.helper).css("zIndex",a._zIndex)}})})(jQuery);