4 lines
18 KiB
JavaScript
4 lines
18 KiB
JavaScript
/*! jQuery UI - v1.10.3 - 2013-05-03
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* http://jqueryui.com
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* Copyright 2013 jQuery Foundation and other contributors; Licensed MIT */
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(function(e){e.widget("ui.draggable",e.ui.mouse,{version:"1.10.3",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||/^(?: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 i=this.options;return this.helper||i.disabled||e(t.target).closest(".ui-resizable-handle").length>0?!1:(this.handle=this._getHandle(t),this.handle?(e(i.iframeFix===!0?"iframe":i.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 i=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.offsetParent=this.helper.offsetParent(),this.offsetParentCssPosition=this.offsetParent.css("position"),this.offset=this.positionAbs=this.element.offset(),this.offset={top:this.offset.top-this.margins.top,left:this.offset.left-this.margins.left},this.offset.scroll=!1,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,i.cursorAt&&this._adjustOffsetFromHelper(i.cursorAt),this._setContainment(),this._trigger("start",t)===!1?(this._clear(),!1):(this._cacheHelperProportions(),e.ui.ddmanager&&!i.dropBehaviour&&e.ui.ddmanager.prepareOffsets(this,t),this._mouseDrag(t,!0),e.ui.ddmanager&&e.ui.ddmanager.dragStart(this,t),!0)},_mouseDrag:function(t,i){if("fixed"===this.offsetParentCssPosition&&(this.offset.parent=this._getParentOffset()),this.position=this._generatePosition(t),this.positionAbs=this._convertPositionTo("absolute"),!i){var s=this._uiHash();if(this._trigger("drag",t,s)===!1)return this._mouseUp({}),!1;this.position=s.position}return this.options.axis&&"y"===this.options.axis||(this.helper[0].style.left=this.position.left+"px"),this.options.axis&&"x"===this.options.axis||(this.helper[0].style.top=this.position.top+"px"),e.ui.ddmanager&&e.ui.ddmanager.drag(this,t),!1},_mouseStop:function(t){var i=this,s=!1;return e.ui.ddmanager&&!this.options.dropBehaviour&&(s=e.ui.ddmanager.drop(this,t)),this.dropped&&(s=this.dropped,this.dropped=!1),"original"!==this.options.helper||e.contains(this.element[0].ownerDocument,this.element[0])?("invalid"===this.options.revert&&!s||"valid"===this.options.revert&&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(){i._trigger("stop",t)!==!1&&i._clear()}):this._trigger("stop",t)!==!1&&this._clear(),!1):!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){return this.options.handle?!!e(t.target).closest(this.element.find(this.options.handle)).length:!0},_createHelper:function(t){var i=this.options,s=e.isFunction(i.helper)?e(i.helper.apply(this.element[0],[t])):"clone"===i.helper?this.element.clone().removeAttr("id"):this.element;return s.parents("body").length||s.appendTo("parent"===i.appendTo?this.element[0].parentNode:i.appendTo),s[0]===this.element[0]||/(fixed|absolute)/.test(s.css("position"))||s.css("position","absolute"),s},_adjustOffsetFromHelper:function(t){"string"==typeof t&&(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(){var t=this.offsetParent.offset();return"absolute"===this.cssPosition&&this.scrollParent[0]!==document&&e.contains(this.scrollParent[0],this.offsetParent[0])&&(t.left+=this.scrollParent.scrollLeft(),t.top+=this.scrollParent.scrollTop()),(this.offsetParent[0]===document.body||this.offsetParent[0].tagName&&"html"===this.offsetParent[0].tagName.toLowerCase()&&e.ui.ie)&&(t={top:0,left:0}),{top:t.top+(parseInt(this.offsetParent.css("borderTopWidth"),10)||0),left:t.left+(parseInt(this.offsetParent.css("borderLeftWidth"),10)||0)}},_getRelativeOffset:function(){if("relative"===this.cssPosition){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,i,s,n=this.options;return n.containment?"window"===n.containment?(this.containment=[e(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,e(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,e(window).scrollLeft()+e(window).width()-this.helperProportions.width-this.margins.left,e(window).scrollTop()+(e(window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],undefined):"document"===n.containment?(this.containment=[0,0,e(document).width()-this.helperProportions.width-this.margins.left,(e(document).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top],undefined):n.containment.constructor===Array?(this.containment=n.containment,undefined):("parent"===n.containment&&(n.containment=this.helper[0].parentNode),i=e(n.containment),s=i[0],s&&(t="hidden"!==i.css("overflow"),this.containment=[(parseInt(i.css("borderLeftWidth"),10)||0)+(parseInt(i.css("paddingLeft"),10)||0),(parseInt(i.css("borderTopWidth"),10)||0)+(parseInt(i.css("paddingTop"),10)||0),(t?Math.max(s.scrollWidth,s.offsetWidth):s.offsetWidth)-(parseInt(i.css("borderRightWidth"),10)||0)-(parseInt(i.css("paddingRight"),10)||0)-this.helperProportions.width-this.margins.left-this.margins.right,(t?Math.max(s.scrollHeight,s.offsetHeight):s.offsetHeight)-(parseInt(i.css("borderBottomWidth"),10)||0)-(parseInt(i.css("paddingBottom"),10)||0)-this.helperProportions.height-this.margins.top-this.margins.bottom],this.relative_container=i),undefined):(this.containment=null,undefined)},_convertPositionTo:function(t,i){i||(i=this.position);var s="absolute"===t?1:-1,n="absolute"!==this.cssPosition||this.scrollParent[0]!==document&&e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent;return this.offset.scroll||(this.offset.scroll={top:n.scrollTop(),left:n.scrollLeft()}),{top:i.top+this.offset.relative.top*s+this.offset.parent.top*s-("fixed"===this.cssPosition?-this.scrollParent.scrollTop():this.offset.scroll.top)*s,left:i.left+this.offset.relative.left*s+this.offset.parent.left*s-("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():this.offset.scroll.left)*s}},_generatePosition:function(t){var i,s,n,a,o=this.options,r="absolute"!==this.cssPosition||this.scrollParent[0]!==document&&e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,h=t.pageX,l=t.pageY;return this.offset.scroll||(this.offset.scroll={top:r.scrollTop(),left:r.scrollLeft()}),this.originalPosition&&(this.containment&&(this.relative_container?(s=this.relative_container.offset(),i=[this.containment[0]+s.left,this.containment[1]+s.top,this.containment[2]+s.left,this.containment[3]+s.top]):i=this.containment,t.pageX-this.offset.click.left<i[0]&&(h=i[0]+this.offset.click.left),t.pageY-this.offset.click.top<i[1]&&(l=i[1]+this.offset.click.top),t.pageX-this.offset.click.left>i[2]&&(h=i[2]+this.offset.click.left),t.pageY-this.offset.click.top>i[3]&&(l=i[3]+this.offset.click.top)),o.grid&&(n=o.grid[1]?this.originalPageY+Math.round((l-this.originalPageY)/o.grid[1])*o.grid[1]:this.originalPageY,l=i?n-this.offset.click.top>=i[1]||n-this.offset.click.top>i[3]?n:n-this.offset.click.top>=i[1]?n-o.grid[1]:n+o.grid[1]:n,a=o.grid[0]?this.originalPageX+Math.round((h-this.originalPageX)/o.grid[0])*o.grid[0]:this.originalPageX,h=i?a-this.offset.click.left>=i[0]||a-this.offset.click.left>i[2]?a:a-this.offset.click.left>=i[0]?a-o.grid[0]:a+o.grid[0]:a)),{top:l-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+("fixed"===this.cssPosition?-this.scrollParent.scrollTop():this.offset.scroll.top),left:h-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+("fixed"===this.cssPosition?-this.scrollParent.scrollLeft():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},_trigger:function(t,i,s){return s=s||this._uiHash(),e.ui.plugin.call(this,t,[i,s]),"drag"===t&&(this.positionAbs=this._convertPositionTo("absolute")),e.Widget.prototype._trigger.call(this,t,i,s)},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,i){var s=e(this).data("ui-draggable"),n=s.options,a=e.extend({},i,{item:s.element});s.sortables=[],e(n.connectToSortable).each(function(){var i=e.data(this,"ui-sortable");i&&!i.options.disabled&&(s.sortables.push({instance:i,shouldRevert:i.options.revert}),i.refreshPositions(),i._trigger("activate",t,a))})},stop:function(t,i){var s=e(this).data("ui-draggable"),n=e.extend({},i,{item:s.element});e.each(s.sortables,function(){this.instance.isOver?(this.instance.isOver=0,s.cancelHelperRemoval=!0,this.instance.cancelHelperRemoval=!1,this.shouldRevert&&(this.instance.options.revert=this.shouldRevert),this.instance._mouseStop(t),this.instance.options.helper=this.instance.options._helper,"original"===s.options.helper&&this.instance.currentItem.css({top:"auto",left:"auto"})):(this.instance.cancelHelperRemoval=!1,this.instance._trigger("deactivate",t,n))})},drag:function(t,i){var s=e(this).data("ui-draggable"),n=this;e.each(s.sortables,function(){var a=!1,o=this;this.instance.positionAbs=s.positionAbs,this.instance.helperProportions=s.helperProportions,this.instance.offset.click=s.offset.click,this.instance._intersectsWith(this.instance.containerCache)&&(a=!0,e.each(s.sortables,function(){return this.instance.positionAbs=s.positionAbs,this.instance.helperProportions=s.helperProportions,this.instance.offset.click=s.offset.click,this!==o&&this.instance._intersectsWith(this.instance.containerCache)&&e.contains(o.instance.element[0],this.instance.element[0])&&(a=!1),a})),a?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=e(n).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 i.helper[0]},t.target=this.instance.currentItem[0],this.instance._mouseCapture(t,!0),this.instance._mouseStart(t,!0,!0),this.instance.offset.click.top=s.offset.click.top,this.instance.offset.click.left=s.offset.click.left,this.instance.offset.parent.left-=s.offset.parent.left-this.instance.offset.parent.left,this.instance.offset.parent.top-=s.offset.parent.top-this.instance.offset.parent.top,s._trigger("toSortable",t),s.dropped=this.instance.element,s.currentItem=s.element,this.instance.fromOutside=s),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(),s._trigger("fromSortable",t),s.dropped=!1)})}}),e.ui.plugin.add("draggable","cursor",{start:function(){var t=e("body"),i=e(this).data("ui-draggable").options;t.css("cursor")&&(i._cursor=t.css("cursor")),t.css("cursor",i.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,i){var s=e(i.helper),n=e(this).data("ui-draggable").options;s.css("opacity")&&(n._opacity=s.css("opacity")),s.css("opacity",n.opacity)},stop:function(t,i){var s=e(this).data("ui-draggable").options;s._opacity&&e(i.helper).css("opacity",s._opacity)}}),e.ui.plugin.add("draggable","scroll",{start:function(){var t=e(this).data("ui-draggable");t.scrollParent[0]!==document&&"HTML"!==t.scrollParent[0].tagName&&(t.overflowOffset=t.scrollParent.offset())},drag:function(t){var i=e(this).data("ui-draggable"),s=i.options,n=!1;i.scrollParent[0]!==document&&"HTML"!==i.scrollParent[0].tagName?(s.axis&&"x"===s.axis||(i.overflowOffset.top+i.scrollParent[0].offsetHeight-t.pageY<s.scrollSensitivity?i.scrollParent[0].scrollTop=n=i.scrollParent[0].scrollTop+s.scrollSpeed:t.pageY-i.overflowOffset.top<s.scrollSensitivity&&(i.scrollParent[0].scrollTop=n=i.scrollParent[0].scrollTop-s.scrollSpeed)),s.axis&&"y"===s.axis||(i.overflowOffset.left+i.scrollParent[0].offsetWidth-t.pageX<s.scrollSensitivity?i.scrollParent[0].scrollLeft=n=i.scrollParent[0].scrollLeft+s.scrollSpeed:t.pageX-i.overflowOffset.left<s.scrollSensitivity&&(i.scrollParent[0].scrollLeft=n=i.scrollParent[0].scrollLeft-s.scrollSpeed))):(s.axis&&"x"===s.axis||(t.pageY-e(document).scrollTop()<s.scrollSensitivity?n=e(document).scrollTop(e(document).scrollTop()-s.scrollSpeed):e(window).height()-(t.pageY-e(document).scrollTop())<s.scrollSensitivity&&(n=e(document).scrollTop(e(document).scrollTop()+s.scrollSpeed))),s.axis&&"y"===s.axis||(t.pageX-e(document).scrollLeft()<s.scrollSensitivity?n=e(document).scrollLeft(e(document).scrollLeft()-s.scrollSpeed):e(window).width()-(t.pageX-e(document).scrollLeft())<s.scrollSensitivity&&(n=e(document).scrollLeft(e(document).scrollLeft()+s.scrollSpeed)))),n!==!1&&e.ui.ddmanager&&!s.dropBehaviour&&e.ui.ddmanager.prepareOffsets(i,t)}}),e.ui.plugin.add("draggable","snap",{start:function(){var t=e(this).data("ui-draggable"),i=t.options;t.snapElements=[],e(i.snap.constructor!==String?i.snap.items||":data(ui-draggable)":i.snap).each(function(){var i=e(this),s=i.offset();this!==t.element[0]&&t.snapElements.push({item:this,width:i.outerWidth(),height:i.outerHeight(),top:s.top,left:s.left})})},drag:function(t,i){var s,n,a,o,r,h,l,u,c,d,p=e(this).data("ui-draggable"),f=p.options,m=f.snapTolerance,g=i.offset.left,v=g+p.helperProportions.width,b=i.offset.top,y=b+p.helperProportions.height;for(c=p.snapElements.length-1;c>=0;c--)r=p.snapElements[c].left,h=r+p.snapElements[c].width,l=p.snapElements[c].top,u=l+p.snapElements[c].height,r-m>v||g>h+m||l-m>y||b>u+m||!e.contains(p.snapElements[c].item.ownerDocument,p.snapElements[c].item)?(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):("inner"!==f.snapMode&&(s=m>=Math.abs(l-y),n=m>=Math.abs(u-b),a=m>=Math.abs(r-v),o=m>=Math.abs(h-g),s&&(i.position.top=p._convertPositionTo("relative",{top:l-p.helperProportions.height,left:0}).top-p.margins.top),n&&(i.position.top=p._convertPositionTo("relative",{top:u,left:0}).top-p.margins.top),a&&(i.position.left=p._convertPositionTo("relative",{top:0,left:r-p.helperProportions.width}).left-p.margins.left),o&&(i.position.left=p._convertPositionTo("relative",{top:0,left:h}).left-p.margins.left)),d=s||n||a||o,"outer"!==f.snapMode&&(s=m>=Math.abs(l-b),n=m>=Math.abs(u-y),a=m>=Math.abs(r-g),o=m>=Math.abs(h-v),s&&(i.position.top=p._convertPositionTo("relative",{top:l,left:0}).top-p.margins.top),n&&(i.position.top=p._convertPositionTo("relative",{top:u-p.helperProportions.height,left:0}).top-p.margins.top),a&&(i.position.left=p._convertPositionTo("relative",{top:0,left:r}).left-p.margins.left),o&&(i.position.left=p._convertPositionTo("relative",{top:0,left:h-p.helperProportions.width}).left-p.margins.left)),!p.snapElements[c].snapping&&(s||n||a||o||d)&&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=s||n||a||o||d)}}),e.ui.plugin.add("draggable","stack",{start:function(){var t,i=this.data("ui-draggable").options,s=e.makeArray(e(i.stack)).sort(function(t,i){return(parseInt(e(t).css("zIndex"),10)||0)-(parseInt(e(i).css("zIndex"),10)||0)});s.length&&(t=parseInt(e(s[0]).css("zIndex"),10)||0,e(s).each(function(i){e(this).css("zIndex",t+i)}),this.css("zIndex",t+s.length))}}),e.ui.plugin.add("draggable","zIndex",{start:function(t,i){var s=e(i.helper),n=e(this).data("ui-draggable").options;s.css("zIndex")&&(n._zIndex=s.css("zIndex")),s.css("zIndex",n.zIndex)},stop:function(t,i){var s=e(this).data("ui-draggable").options;s._zIndex&&e(i.helper).css("zIndex",s._zIndex)}})})(jQuery); |