5 lines
18 KiB
JavaScript
5 lines
18 KiB
JavaScript
/*! jQuery UI - v1.9.2 - 2012-11-23
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* http://jqueryui.com
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* Includes: jquery.ui.draggable.js
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* Copyright 2012 jQuery Foundation and other contributors; Licensed MIT */
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(function(e,t){e.widget("ui.draggable",e.ui.mouse,{version:"1.9.2",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(){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).is(".ui-resizable-handle")?!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=!1;e.ui.ddmanager&&!this.options.dropBehaviour&&(n=e.ui.ddmanager.drop(this,t)),this.dropped&&(n=this.dropped,this.dropped=!1);var r=this.element[0],i=!1;while(r&&(r=r.parentNode))r==document&&(i=!0);if(!i&&this.options.helper==="original")return!1;if(this.options.revert=="invalid"&&!n||this.options.revert=="valid"&&n||this.options.revert===!0||e.isFunction(this.options.revert)&&this.options.revert.call(this.element,n)){var s=this;e(this.helper).animate(this.originalPosition,parseInt(this.options.revertDuration,10),function(){s._trigger("stop",t)!==!1&&s._clear()})}else this._trigger("stop",t)!==!1&&this._clear();return!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("*").andSelf().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=this.options;t.containment=="parent"&&(t.containment=this.helper[0].parentNode);if(t.containment=="document"||t.containment=="window")this.containment=[t.containment=="document"?0:e(window).scrollLeft()-this.offset.relative.left-this.offset.parent.left,t.containment=="document"?0:e(window).scrollTop()-this.offset.relative.top-this.offset.parent.top,(t.containment=="document"?0:e(window).scrollLeft())+e(t.containment=="document"?document:window).width()-this.helperProportions.width-this.margins.left,(t.containment=="document"?0:e(window).scrollTop())+(e(t.containment=="document"?document:window).height()||document.body.parentNode.scrollHeight)-this.helperProportions.height-this.margins.top];if(!/^(document|window|parent)$/.test(t.containment)&&t.containment.constructor!=Array){var n=e(t.containment),r=n[0];if(!r)return;var i=n.offset(),s=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),(s?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,(s?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 t.containment.constructor==Array&&(this.containment=t.containment)},_convertPositionTo:function(t,n){n||(n=this.position);var r=t=="absolute"?1:-1,i=this.options,s=this.cssPosition!="absolute"||this.scrollParent[0]!=document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,o=/(html|body)/i.test(s[0].tagName);return{top:n.top+this.offset.relative.top*r+this.offset.parent.top*r-(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():o?0:s.scrollTop())*r,left:n.left+this.offset.relative.left*r+this.offset.parent.left*r-(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():o?0:s.scrollLeft())*r}},_generatePosition:function(t){var n=this.options,r=this.cssPosition!="absolute"||this.scrollParent[0]!=document&&!!e.contains(this.scrollParent[0],this.offsetParent[0])?this.scrollParent:this.offsetParent,i=/(html|body)/i.test(r[0].tagName),s=t.pageX,o=t.pageY;if(this.originalPosition){var u;if(this.containment){if(this.relative_container){var a=this.relative_container.offset();u=[this.containment[0]+a.left,this.containment[1]+a.top,this.containment[2]+a.left,this.containment[3]+a.top]}else u=this.containment;t.pageX-this.offset.click.left<u[0]&&(s=u[0]+this.offset.click.left),t.pageY-this.offset.click.top<u[1]&&(o=u[1]+this.offset.click.top),t.pageX-this.offset.click.left>u[2]&&(s=u[2]+this.offset.click.left),t.pageY-this.offset.click.top>u[3]&&(o=u[3]+this.offset.click.top)}if(n.grid){var f=n.grid[1]?this.originalPageY+Math.round((o-this.originalPageY)/n.grid[1])*n.grid[1]:this.originalPageY;o=u?f-this.offset.click.top<u[1]||f-this.offset.click.top>u[3]?f-this.offset.click.top<u[1]?f+n.grid[1]:f-n.grid[1]:f:f;var l=n.grid[0]?this.originalPageX+Math.round((s-this.originalPageX)/n.grid[0])*n.grid[0]:this.originalPageX;s=u?l-this.offset.click.left<u[0]||l-this.offset.click.left>u[2]?l-this.offset.click.left<u[0]?l+n.grid[0]:l-n.grid[0]:l:l}}return{top:o-this.offset.click.top-this.offset.relative.top-this.offset.parent.top+(this.cssPosition=="fixed"?-this.scrollParent.scrollTop():i?0:r.scrollTop()),left:s-this.offset.click.left-this.offset.relative.left-this.offset.parent.left+(this.cssPosition=="fixed"?-this.scrollParent.scrollLeft():i?0:r.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(e){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("draggable"),i=r.options,s=e.extend({},n,{item:r.element});r.sortables=[],e(i.connectToSortable).each(function(){var n=e.data(this,"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("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("draggable"),i=this,s=function(t){var n=this.offset.click.top,r=this.offset.click.left,i=this.positionAbs.top,s=this.positionAbs.left,o=t.height,u=t.width,a=t.top,f=t.left;return e.ui.isOver(i+n,s+r,a,f,o,u)};e.each(r.sortables,function(s){var o=!1,u=this;this.instance.positionAbs=r.positionAbs,this.instance.helperProportions=r.helperProportions,this.instance.offset.click=r.offset.click,this.instance._intersectsWith(this.instance.containerCache)&&(o=!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!=u&&this.instance._intersectsWith(this.instance.containerCache)&&e.ui.contains(u.instance.element[0],this.instance.element[0])&&(o=!1),o})),o?(this.instance.isOver||(this.instance.isOver=1,this.instance.currentItem=e(i).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 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(t,n){var r=e("body"),i=e(this).data("draggable").options;r.css("cursor")&&(i._cursor=r.css("cursor")),r.css("cursor",i.cursor)},stop:function(t,n){var r=e(this).data("draggable").options;r._cursor&&e("body").css("cursor",r._cursor)}}),e.ui.plugin.add("draggable","opacity",{start:function(t,n){var r=e(n.helper),i=e(this).data("draggable").options;r.css("opacity")&&(i._opacity=r.css("opacity")),r.css("opacity",i.opacity)},stop:function(t,n){var r=e(this).data("draggable").options;r._opacity&&e(n.helper).css("opacity",r._opacity)}}),e.ui.plugin.add("draggable","scroll",{start:function(t,n){var r=e(this).data("draggable");r.scrollParent[0]!=document&&r.scrollParent[0].tagName!="HTML"&&(r.overflowOffset=r.scrollParent.offset())},drag:function(t,n){var r=e(this).data("draggable"),i=r.options,s=!1;if(r.scrollParent[0]!=document&&r.scrollParent[0].tagName!="HTML"){if(!i.axis||i.axis!="x")r.overflowOffset.top+r.scrollParent[0].offsetHeight-t.pageY<i.scrollSensitivity?r.scrollParent[0].scrollTop=s=r.scrollParent[0].scrollTop+i.scrollSpeed:t.pageY-r.overflowOffset.top<i.scrollSensitivity&&(r.scrollParent[0].scrollTop=s=r.scrollParent[0].scrollTop-i.scrollSpeed);if(!i.axis||i.axis!="y")r.overflowOffset.left+r.scrollParent[0].offsetWidth-t.pageX<i.scrollSensitivity?r.scrollParent[0].scrollLeft=s=r.scrollParent[0].scrollLeft+i.scrollSpeed:t.pageX-r.overflowOffset.left<i.scrollSensitivity&&(r.scrollParent[0].scrollLeft=s=r.scrollParent[0].scrollLeft-i.scrollSpeed)}else{if(!i.axis||i.axis!="x")t.pageY-e(document).scrollTop()<i.scrollSensitivity?s=e(document).scrollTop(e(document).scrollTop()-i.scrollSpeed):e(window).height()-(t.pageY-e(document).scrollTop())<i.scrollSensitivity&&(s=e(document).scrollTop(e(document).scrollTop()+i.scrollSpeed));if(!i.axis||i.axis!="y")t.pageX-e(document).scrollLeft()<i.scrollSensitivity?s=e(document).scrollLeft(e(document).scrollLeft()-i.scrollSpeed):e(window).width()-(t.pageX-e(document).scrollLeft())<i.scrollSensitivity&&(s=e(document).scrollLeft(e(document).scrollLeft()+i.scrollSpeed))}s!==!1&&e.ui.ddmanager&&!i.dropBehaviour&&e.ui.ddmanager.prepareOffsets(r,t)}}),e.ui.plugin.add("draggable","snap",{start:function(t,n){var r=e(this).data("draggable"),i=r.options;r.snapElements=[],e(i.snap.constructor!=String?i.snap.items||":data(draggable)":i.snap).each(function(){var t=e(this),n=t.offset();this!=r.element[0]&&r.snapElements.push({item:this,width:t.outerWidth(),height:t.outerHeight(),top:n.top,left:n.left})})},drag:function(t,n){var r=e(this).data("draggable"),i=r.options,s=i.snapTolerance,o=n.offset.left,u=o+r.helperProportions.width,a=n.offset.top,f=a+r.helperProportions.height;for(var l=r.snapElements.length-1;l>=0;l--){var c=r.snapElements[l].left,h=c+r.snapElements[l].width,p=r.snapElements[l].top,d=p+r.snapElements[l].height;if(!(c-s<o&&o<h+s&&p-s<a&&a<d+s||c-s<o&&o<h+s&&p-s<f&&f<d+s||c-s<u&&u<h+s&&p-s<a&&a<d+s||c-s<u&&u<h+s&&p-s<f&&f<d+s)){r.snapElements[l].snapping&&r.options.snap.release&&r.options.snap.release.call(r.element,t,e.extend(r._uiHash(),{snapItem:r.snapElements[l].item})),r.snapElements[l].snapping=!1;continue}if(i.snapMode!="inner"){var v=Math.abs(p-f)<=s,m=Math.abs(d-a)<=s,g=Math.abs(c-u)<=s,y=Math.abs(h-o)<=s;v&&(n.position.top=r._convertPositionTo("relative",{top:p-r.helperProportions.height,left:0}).top-r.margins.top),m&&(n.position.top=r._convertPositionTo("relative",{top:d,left:0}).top-r.margins.top),g&&(n.position.left=r._convertPositionTo("relative",{top:0,left:c-r.helperProportions.width}).left-r.margins.left),y&&(n.position.left=r._convertPositionTo("relative",{top:0,left:h}).left-r.margins.left)}var b=v||m||g||y;if(i.snapMode!="outer"){var v=Math.abs(p-a)<=s,m=Math.abs(d-f)<=s,g=Math.abs(c-o)<=s,y=Math.abs(h-u)<=s;v&&(n.position.top=r._convertPositionTo("relative",{top:p,left:0}).top-r.margins.top),m&&(n.position.top=r._convertPositionTo("relative",{top:d-r.helperProportions.height,left:0}).top-r.margins.top),g&&(n.position.left=r._convertPositionTo("relative",{top:0,left:c}).left-r.margins.left),y&&(n.position.left=r._convertPositionTo("relative",{top:0,left:h-r.helperProportions.width}).left-r.margins.left)}!r.snapElements[l].snapping&&(v||m||g||y||b)&&r.options.snap.snap&&r.options.snap.snap.call(r.element,t,e.extend(r._uiHash(),{snapItem:r.snapElements[l].item})),r.snapElements[l].snapping=v||m||g||y||b}}}),e.ui.plugin.add("draggable","stack",{start:function(t,n){var r=e(this).data("draggable").options,i=e.makeArray(e(r.stack)).sort(function(t,n){return(parseInt(e(t).css("zIndex"),10)||0)-(parseInt(e(n).css("zIndex"),10)||0)});if(!i.length)return;var s=parseInt(i[0].style.zIndex)||0;e(i).each(function(e){this.style.zIndex=s+e}),this[0].style.zIndex=s+i.length}}),e.ui.plugin.add("draggable","zIndex",{start:function(t,n){var r=e(n.helper),i=e(this).data("draggable").options;r.css("zIndex")&&(i._zIndex=r.css("zIndex")),r.css("zIndex",i.zIndex)},stop:function(t,n){var r=e(this).data("draggable").options;r._zIndex&&e(n.helper).css("zIndex",r._zIndex)}})})(jQuery); |