5 lines
18 KiB
JavaScript
5 lines
18 KiB
JavaScript
/*! jQuery UI - v1.10.1 - 2013-02-15
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* http://jqueryui.com
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* Includes: jquery.ui.draggable.js
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* Copyright 2013 jQuery Foundation and other contributors; Licensed MIT */
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(function(e,t){e.widget("ui.draggable",e.ui.mouse,{version:"1.10.1",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(){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(){this.element.removeClass("ui-draggable ui-draggable-dragging ui-draggable-disabled"),this._mouseDestroy()},_mouseCapture:function(t){var n=this.options;return this.helper||n.disabled||e(t.target).closest(".ui-resizable-handle").length>0?!1:(this.handle=this._getHandle(t),this.handle?(e(n.iframeFix===!0?"iframe":n.iframeFix).each(function(){e("<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(e(this).offset()).appendTo("body")}),!0):!1)},_mouseStart:function(t){var n=this.options;return this.helper=this._createHelper(t),this.helper.addClass("ui-draggable-dragging"),this._cacheHelperProportions(),e.ui.ddmanager&&(e.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},e.extend(this.offset,{click:{left:t.pageX-this.offset.left,top:t.pageY-this.offset.top},parent:this._getParentOffset(),relative:this._getRelativeOffset()}),this.originalPosition=this.position=this._generatePosition(t),this.originalPageX=t.pageX,this.originalPageY=t.pageY,n.cursorAt&&this._adjustOffsetFromHelper(n.cursorAt),n.containment&&this._setContainment(),this._trigger("start",t)===!1?(this._clear(),!1):(this._cacheHelperProportions(),e.ui.ddmanager&&!n.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),e.ui.ddmanager&&e.ui.ddmanager.dragStart(this,t),!0)},_mouseDrag:function(t,n){this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute");if(!n){var r=this._uiHash();if(this._trigger("drag",t,r)===!1)return this._mouseUp({}),!1;this.position=r.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 e.ui.ddmanager&&e.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var n,r=this,i=!1,s=!1;e.ui.ddmanager&&!this.options.dropBehaviour&&(s=e.ui.ddmanager.drop(this,t)),this.dropped&&(s=this.dropped,this.dropped=!1),n=this.element[0];while(n&&(n=n.parentNode))n===document&&(i=!0);return!i&&this.options.helper==="original"?!1:(this.options.revert==="invalid"&&!s||this.options.revert==="valid"&&s||this.options.revert===!0||e.isFunction(this.options.revert)&&this.options.revert.call(this.element,s)?e(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){r._trigger("stop",t)!==!1&&r._clear()}):this._trigger("stop",t)!==!1&&this._clear(),!1)},_mouseUp:function(t){return e("div.ui-draggable-iframeFix").each(function(){this.parentNode.removeChild(this)}),e.ui.ddmanager&&e.ui.ddmanager.dragStop(this,t),e.ui.mouse.prototype._mouseUp.call(this,t)},cancel:function(){return this.helper.is(".ui-draggable-dragging")?this._mouseUp({}):this._clear(),this},_getHandle:function(t){var n=!this.options.handle||!e(this.options.handle,this.element).length?!0:!1;return e(this.options.handle,this.element).find("*").addBack().each(function(){this===t.target&&(n=!0)}),n},_createHelper:function(t){var n=this.options,r=e.isFunction(n.helper)?e(n.helper.apply(this.element[0],[t])):n.helper==="clone"?this.element.clone().removeAttr("id"):this.element;return r.parents("body").length||r.appendTo(n.appendTo==="parent"?this.element[0].parentNode:n.appendTo),r[0]!==this.element[0]&&!/(fixed|absolute)/.test(r.css("position"))&&r.css("position","absolute"),r},_adjustOffsetFromHelper:function(t){typeof t=="string"&&(t=t.split(" ")),e.isArray(t)&&(t={left:+t[0],top:+t[1]||0}),"left"in t&&(this.offset.click.left=t.left+this.margins.left),"right"in t&&(this.offset.click.left=this.helperProportions.width-t.right+this.margins.left),"top"in t&&(this.offset.click.top=t.top+this.margins.top),"bottom"in t&&(this.offset.click.top=this.helperProportions.height-t.bottom+this.margins.top)},_getParentOffset:function(){this.offsetParent=this.helper.offsetParent();var t=this.offsetParent.offset();this.cssPosition==="absolute"&&this.scrollParent[0]!==document&&e.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop());if(this.offsetParent[0]===document.body||this.offsetParent[0].tagName&&this.offsetParent[0].tagName.toLowerCase()==="html"&&e.ui.ie)t={top:0,left:0};return{top:t.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if(this.cssPosition==="relative"){var e=this.element.position();return{top:e.top-(parseInt(this.helper.css("top"),10)||0)+this.scrollParent.scrollTop(),left:e.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 t,n,r,i=this.options;i.containment==="parent"&&(i.containment=this.helper[0].parentNode);if(i.containment==="document"||i.containment==="window")this.containment=[i.containment==="document"?0:e(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,i.containment==="document"?0:e(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,(i.containment==="document"?0:e(window).scrollLeft())+e(i.containment==="document"?document:window).width()-this.helperProportions.width-this.margins.left,(i.containment==="document"?0:e(window).scrollTop())+(e(i.containment==="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(i.containment)&&i.containment.constructor!==Array){n=e(i.containment),r=n[0];if(!r)return;t=e(r).css("overflow")!=="hidden",this.containment=[(parseInt(e(r).css("borderLeftWidth"),10)||0)+(parseInt(e(r).css("paddingLeft"),10)||0),(parseInt(e(r).css("borderTopWidth"),10)||0)+(parseInt(e(r).css("paddingTop"),10)||0),(t?Math.max(r.scrollWidth,r.offsetWidth):r.offsetWidth)-(parseInt(e(r).css("borderLeftWidth"),10)||0)-(parseInt(e(r).css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(t?Math.max(r.scrollHeight,r.offsetHeight):r.offsetHeight)-(parseInt(e(r).css("borderTopWidth"),10)||0)-(parseInt(e(r).css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=n}else i.containment.constructor===Array&&(this.containment=i.containment)},_convertPositionTo:function(t,n){n||(n=this.position);var r=t==="absolute"?1:-1,i=this.cssPosition!=="absolute"||this.scrollParent[0]!==document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,s=/(html|body)/i.test(i[0].tagName);return{top:n.top+this.offset.relative.top*r+this.offset.parent.top*r-(this.cssPosition==="fixed"?-this.scrollParent.scrollTop():s?0:i.scrollTop())*r,left:n.left+this.offset.relative.left*r+this.offset.parent.left*r-(this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():s?0:i.scrollLeft())*r}},_generatePosition:function(t){var n,r,i,s,o=this.options,u=this.cssPosition!=="absolute"||this.scrollParent[0]!==document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,a=/(html|body)/i.test(u[0].tagName),f=t.pageX,l=t.pageY;return this.originalPosition&&(this.containment&&(this.relative_container?(r=this.relative_container.offset(),n=[this.containment[0]+r.left,this.containment[1]+r.top,this.containment[2]+r.left,this.containment[3]+r.top]):n=this.containment,t.pageX-this.offset.click.left<n[0]&&(f=n[0]+this.offset.click.left),t.pageY-this.offset.click.top<n[1]&&(l=n[1]+this.offset.click.top),t.pageX-this.offset.click.left>n[2]&&(f=n[2]+this.offset.click.left),t.pageY-this.offset.click.top>n[3]&&(l=n[3]+this.offset.click.top)),o.grid&&(i=o.grid[1]?this.originalPageY+Math.round((l-this.originalPageY)/o.grid[1])*o.grid[1]:this.originalPageY,l=n?i-this.offset.click.top>=n[1]||i-this.offset.click.top>n[3]?i:i-this.offset.click.top>=n[1]?i-o.grid[1]:i+o.grid[1]:i,s=o.grid[0]?this.originalPageX+Math.round((f-this.originalPageX)/o.grid[0])*o.grid[0]:this.originalPageX,f=n?s-this.offset.click.left>=n[0]||s-this.offset.click.left>n[2]?s:s-this.offset.click.left>=n[0]?s-o.grid[0]:s+o.grid[0]:s)),{top:l-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition==="fixed"?-this.scrollParent.scrollTop():a?0:u.scrollTop()),left:f-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition==="fixed"?-this.scrollParent.scrollLeft():a?0:u.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(t,n,r){return r=r||this._uiHash(),e.ui.plugin.call(this,t,[n,r]),t==="drag"&&(this.positionAbs=this._convertPositionTo("absolute")),e.Widget.prototype._trigger.call(this,t,n,r)},plugins:{},_uiHash:function(){return{helper:this.helper,position:this.position,originalPosition:this.originalPosition,offset:this.positionAbs}}}),e.ui.plugin.add("draggable","connectToSortable",{start:function(t,n){var r=e(this).data("ui-draggable"),i=r.options,s=e.extend({},n,{item:r.element});r.sortables=[],e(i.connectToSortable).each(function(){var n=e.data(this,"ui-sortable");n&&!n.options.disabled&&(r.sortables.push({instance:n,shouldRevert:n.options.revert}),n.refreshPositions(),n._trigger("activate",t,s))})},stop:function(t,n){var r=e(this).data("ui-draggable"),i=e.extend({},n,{item:r.element});e.each(r.sortables,function(){this.instance.isOver?(this.instance.isOver=0,r.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=!0),this.instance._mouseStop(t),this.instance.options.helper=this.instance.options._helper,r.options.helper==="original"&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",t,i))})},drag:function(t,n){var r=e(this).data("ui-draggable"),i=this;e.each(r.sortables,function(){var s=!1,o=this;this.instance.positionAbs=r.positionAbs,this.instance.helperProportions=r.helperProportions,this.instance.offset.click=r.offset.click,this.instance._intersectsWith(this.instance.containerCache)&&(s=!0,e.each(r.sortables,function(){return this.instance.positionAbs=r.positionAbs,this.instance.helperProportions=r.helperProportions,this.instance.offset.click=r.offset.click,this!==o&&this.instance._intersectsWith(this.instance.containerCache)&&e.contains(o.instance.element[0],this.instance.element[0])&&(s=!1),s})),s?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=e(i).clone().removeAttr("id").appendTo(this.instance.element).data("ui-sortable-item",!0),this.instance.options._helper=this.instance.options.helper,this.instance.options.helper=function(){return n.helper[0]},t.target=this.instance.currentItem[0],this.instance._mouseCapture(t,!0),this.instance._mouseStart(t,!0,!0),this.instance.offset.click.top=r.offset.click.top,this.instance.offset.click.left=r.offset.click.left,this.instance.offset.parent.left-=r.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=r.offset.parent.top-this.instance.offset.parent.top,r._trigger("toSortable",t),r.dropped=this.instance.element,r.currentItem=r.element,this.instance.fromOutside=r),this.instance.currentItem&&this.instance._mouseDrag(t)):this.instance.isOver&&(this.instance.isOver=0,this.instance.cancelHelperRemoval=!0,this.instance.options.revert=!1,this.instance._trigger("out",t,this.instance._uiHash(this.instance)),this.instance._mouseStop(t,!0),this.instance.options.helper=this.instance.options._helper,this.instance.currentItem.remove(),this.instance.placeholder&&this.instance.placeholder.remove(),r._trigger("fromSortable",t),r.dropped=!1)})}}),e.ui.plugin.add("draggable","cursor",{start:function(){var t=e("body"),n=e(this).data("ui-draggable").options;t.css("cursor")&&(n._cursor=t.css("cursor")),t.css("cursor",n.cursor)},stop:function(){var t=e(this).data("ui-draggable").options;t._cursor&&e("body").css("cursor",t._cursor)}}),e.ui.plugin.add("draggable","opacity",{start:function(t,n){var r=e(n.helper),i=e(this).data("ui-draggable").options;r.css("opacity")&&(i._opacity=r.css("opacity")),r.css("opacity",i.opacity)},stop:function(t,n){var r=e(this).data("ui-draggable").options;r._opacity&&e(n.helper).css("opacity",r._opacity)}}),e.ui.plugin.add("draggable","scroll",{start:function(){var t=e(this).data("ui-draggable");t.scrollParent[0]!==document&&t.scrollParent[0].tagName!=="HTML"&&(t.overflowOffset=t.scrollParent.offset())},drag:function(t){var n=e(this).data("ui-draggable"),r=n.options,i=!1;if(n.scrollParent[0]!==document&&n.scrollParent[0].tagName!=="HTML"){if(!r.axis||r.axis!=="x")n.overflowOffset.top+n.scrollParent[0].offsetHeight-t.pageY<r.scrollSensitivity?n.scrollParent[0].scrollTop=i=n.scrollParent[0].scrollTop+r.scrollSpeed:t.pageY-n.overflowOffset.top<r.scrollSensitivity&&(n.scrollParent[0].scrollTop=i=n.scrollParent[0].scrollTop-r.scrollSpeed);if(!r.axis||r.axis!=="y")n.overflowOffset.left+n.scrollParent[0].offsetWidth-t.pageX<r.scrollSensitivity?n.scrollParent[0].scrollLeft=i=n.scrollParent[0].scrollLeft+r.scrollSpeed:t.pageX-n.overflowOffset.left<r.scrollSensitivity&&(n.scrollParent[0].scrollLeft=i=n.scrollParent[0].scrollLeft-r.scrollSpeed)}else{if(!r.axis||r.axis!=="x")t.pageY-e(document).scrollTop()<r.scrollSensitivity?i=e(document).scrollTop(e(document).scrollTop()-r.scrollSpeed):e(window).height()-(t.pageY-e(document).scrollTop())<r.scrollSensitivity&&(i=e(document).scrollTop(e(document).scrollTop()+r.scrollSpeed));if(!r.axis||r.axis!=="y")t.pageX-e(document).scrollLeft()<r.scrollSensitivity?i=e(document).scrollLeft(e(document).scrollLeft()-r.scrollSpeed):e(window).width()-(t.pageX-e(document).scrollLeft())<r.scrollSensitivity&&(i=e(document).scrollLeft(e(document).scrollLeft()+r.scrollSpeed))}i!==!1&&e.ui.ddmanager&&!r.dropBehaviour&&e.ui.ddmanager.prepareOffsets(n,t)}}),e.ui.plugin.add("draggable","snap",{start:function(){var t=e(this).data("ui-draggable"),n=t.options;t.snapElements=[],e(n.snap.constructor!==String?n.snap.items||":data(ui-draggable)":n.snap).each(function(){var n=e(this),r=n.offset();this!==t.element[0]&&t.snapElements.push({item:this,width:n.outerWidth(),height:n.outerHeight(),top:r.top,left:r.left})})},drag:function(t,n){var r,i,s,o,u,a,f,l,c,h,p=e(this).data("ui-draggable"),d=p.options,v=d.snapTolerance,m=n.offset.left,g=m+p.helperProportions.width,y=n.offset.top,b=y+p.helperProportions.height;for(c=p.snapElements.length-1;c>=0;c--){u=p.snapElements[c].left,a=u+p.snapElements[c].width,f=p.snapElements[c].top,l=f+p.snapElements[c].height;if(!(u-v<m&&m<a+v&&f-v<y&&y<l+v||u-v<m&&m<a+v&&f-v<b&&b<l+v||u-v<g&&g<a+v&&f-v<y&&y<l+v||u-v<g&&g<a+v&&f-v<b&&b<l+v)){p.snapElements[c].snapping&&p.options.snap.release&&p.options.snap.release.call(p.element,t,e.extend(p._uiHash(),{snapItem:p.snapElements[c].item})),p.snapElements[c].snapping=!1;continue}d.snapMode!=="inner"&&(r=Math.abs(f-b)<=v,i=Math.abs(l-y)<=v,s=Math.abs(u-g)<=v,o=Math.abs(a-m)<=v,r&&(n.position.top=p._convertPositionTo("relative",{top:f-p.helperProportions.height,left:0}).top-p.margins.top),i&&(n.position.top=p._convertPositionTo("relative",{top:l,left:0}).top-p.margins.top),s&&(n.position.left=p._convertPositionTo("relative",{top:0,left:u-p.helperProportions.width}).left-p.margins.left),o&&(n.position.left=p._convertPositionTo("relative",{top:0,left:a}).left-p.margins.left)),h=r||i||s||o,d.snapMode!=="outer"&&(r=Math.abs(f-y)<=v,i=Math.abs(l-b)<=v,s=Math.abs(u-m)<=v,o=Math.abs(a-g)<=v,r&&(n.position.top=p._convertPositionTo("relative",{top:f,left:0}).top-p.margins.top),i&&(n.position.top=p._convertPositionTo("relative",{top:l-p.helperProportions.height,left:0}).top-p.margins.top),s&&(n.position.left=p._convertPositionTo("relative",{top:0,left:u}).left-p.margins.left),o&&(n.position.left=p._convertPositionTo("relative",{top:0,left:a-p.helperProportions.width}).left-p.margins.left)),!p.snapElements[c].snapping&&(r||i||s||o||h)&&p.options.snap.snap&&p.options.snap.snap.call(p.element,t,e.extend(p._uiHash(),{snapItem:p.snapElements[c].item})),p.snapElements[c].snapping=r||i||s||o||h}}}),e.ui.plugin.add("draggable","stack",{start:function(){var t,n=this.data("ui-draggable").options,r=e.makeArray(e(n.stack)).sort(function(t,n){return(parseInt(e(t).css("zIndex"),10)||0)-(parseInt(e(n).css("zIndex"),10)||0)});if(!r.length)return;t=parseInt(e(r[0]).css("zIndex"),10)||0,e(r).each(function(n){e(this).css("zIndex",t+n)}),this.css("zIndex",t+r.length)}}),e.ui.plugin.add("draggable","zIndex",{start:function(t,n){var r=e(n.helper),i=e(this).data("ui-draggable").options;r.css("zIndex")&&(i._zIndex=r.css("zIndex")),r.css("zIndex",i.zIndex)},stop:function(t,n){var r=e(this).data("ui-draggable").options;r._zIndex&&e(n.helper).css("zIndex",r._zIndex)}})})(jQuery); |