/*
    *
    * Wijmo Library 5.20173.409
    * http://wijmo.com/
    *
    * Copyright(c) GrapeCity, Inc.  All rights reserved.
    *
    * Licensed under the GrapeCity Commercial License.
    * sales@wijmo.com
    * wijmo.com/products/wijmo-5/license/
    *
    */
"use strict";var __extends=this&&this.__extends||function(){var t=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var n in e)e.hasOwnProperty(n)&&(t[n]=e[n])};return function(e,n){function o(){this.constructor=e}t(e,n),e.prototype=null===n?Object.create(n):(o.prototype=n.prototype,new o)}}();Object.defineProperty(exports,"__esModule",{value:!0});var wjcChart=require("wijmo/wijmo.chart"),wjcCore=require("wijmo/wijmo"),wjcSelf=require("wijmo/wijmo.chart.annotation");window.wijmo=window.wijmo||{},window.wijmo.chart=window.wijmo.chart||{},window.wijmo.chart.annotation=wjcSelf;var AnnotationAttachment;!function(t){t[t.DataIndex=0]="DataIndex",t[t.DataCoordinate=1]="DataCoordinate",t[t.Relative=2]="Relative",t[t.Absolute=3]="Absolute"}(AnnotationAttachment=exports.AnnotationAttachment||(exports.AnnotationAttachment={}));var AnnotationPosition;!function(t){t[t.Center=0]="Center",t[t.Top=1]="Top",t[t.Bottom=2]="Bottom",t[t.Left=4]="Left",t[t.Right=8]="Right"}(AnnotationPosition=exports.AnnotationPosition||(exports.AnnotationPosition={}));var AnnotationBase=function(){function t(t){this._resetDefaultValue(),t&&this._copy(this,t)}return Object.defineProperty(t.prototype,"attachment",{get:function(){return this._attachment},set:function(t){(t=wjcCore.asEnum(t,AnnotationAttachment))!=this._attachment&&(this._attachment=t,this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"point",{get:function(){return this._point},set:function(t){null!=t.x&&null!=t.y&&(t.x===this._point.x&&t.y===this._point.y||(this._point=t,this._repaint()))},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"seriesIndex",{get:function(){return this._seriesIndex},set:function(t){(t=wjcCore.asNumber(t,!1,!0))!=this._seriesIndex&&(this._seriesIndex=t,this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"pointIndex",{get:function(){return this._pointIndex},set:function(t){t!==this._pointIndex&&(this._pointIndex=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"position",{get:function(){return this._position},set:function(t){t!=this._position&&(this._position=t,this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"offset",{get:function(){return this._offset},set:function(t){null!=t.x&&null!=t.y&&(t.x===this._offset.x&&t.y===this._offset.y||(this._offset=t,this._repaint()))},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"style",{get:function(){return null==this._style&&(this._style={}),this._style},set:function(t){t!=this._style&&(this._style=t,this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"isVisible",{get:function(){return this._isVisible},set:function(t){(t=wjcCore.asBoolean(t,!1))!=this._isVisible&&(this._isVisible=t,this._toggleVisibility(t))},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"tooltip",{get:function(){return this._tooltip},set:function(t){this._tooltip=t},enumerable:!0,configurable:!0}),Object.defineProperty(t.prototype,"name",{get:function(){return this._name},set:function(t){this._name=t},enumerable:!0,configurable:!0}),t.prototype.render=function(e){var n,o=this;o._element=e.startGroup(o._getCSSClass()),e.fill="#88bde6",e.strokeWidth=1,e.stroke="#000000",o._render(e),e.endGroup(),o._element[t._DATA_KEY]=this,o._isVisible?o._attachment===AnnotationAttachment.DataIndex&&(!(n=o._layer._chart.series[o._seriesIndex])||n.visibility!==wjcChart.SeriesVisibility.Legend&&n.visibility!==wjcChart.SeriesVisibility.Hidden||o._toggleVisibility(!1)):o._toggleVisibility(!1)},t.prototype.destroy=function(){},t.prototype._copy=function(t,e){for(var n in e)n in t&&this._processOptions(n,t,e)},t.prototype._processOptions=function(t,e,n){e[t]=n[t]},t.prototype._resetDefaultValue=function(){var t=this;t._attachment=AnnotationAttachment.Absolute,t._point=new wjcChart.DataPoint(0,0),t._seriesIndex=0,t._pointIndex=0,t._position=AnnotationPosition.Center,t._offset=new wjcCore.Point(0,0),t._isVisible=!0,t._tooltip=""},t.prototype._toggleVisibility=function(t){var e=t?"visible":"hidden";this._element&&this._element.setAttribute("visibility",e)},t.prototype._getCSSClass=function(){return t._CSS_ANNOTATION},t.prototype._render=function(t){this._element=null},t.prototype._repaint=function(){this._layer&&this._layer._renderAnnotation(this)},t.prototype._convertPoint=function(t){var e,n,o,i,r,s,a,_=this,p=_._attachment,h=new wjcCore.Point;switch(_._layer&&_._layer._chart&&(n=(e=_._layer._chart)._plotRect),p){case AnnotationAttachment.DataIndex:if(!e.series||e.series.length<=_.seriesIndex)break;if(r=e.series[_.seriesIndex],!(s=r._getItem(_.pointIndex)))break;o=r.axisX||e.axisX,i=r.axisY||e.axisY,"string"==typeof(a=s[r.bindingX]||s.x)&&(a=_.pointIndex),h.x=_._convertDataToLen(n.width,o,a),h.y=_._convertDataToLen(n.height,i,s[r._getBinding(0)]||i.actualMin+.25,!0);break;case AnnotationAttachment.DataCoordinate:o=e.axisX,i=e.axisY,h.x=_._convertDataToLen(n.width,o,t.x),h.y=_._convertDataToLen(n.height,i,t.y,!0);break;case AnnotationAttachment.Relative:h.x=n.width*t.x,h.y=n.height*t.y;break;case AnnotationAttachment.Absolute:default:h.x=t.x,h.y=t.y}return h},t.prototype._convertDataToLen=function(t,e,n,o){void 0===o&&(o=!1);var i=null==e.min?e.actualMin:e.min,r=null==e.max?e.actualMax:e.max;return o?t*(1-(n-i)/(r-i)):t*(n-i)/(r-i)},t.prototype._renderCenteredText=function(t,e,n,o,i,r){var s,a;this._isValidPoint(n)&&(i?e.drawStringRotated(t,n,n,i,o,r):e.drawString(t,n,o,r),(s=this._element.querySelector("text"))&&(a=s.getBBox(),s.setAttribute("x",(n.x-a.width/2).toFixed(1)),s.setAttribute("y",(n.y+a.height/6).toFixed(1))))},t.prototype._adjustOffset=function(t,e){t.x=t.x+e.x,t.y=t.y+e.y},t.prototype._getOffset=function(t){var e=this._getPositionOffset(t);return new wjcCore.Point(this._offset.x+e.x,this._offset.y+e.y)},t.prototype._getPositionOffset=function(t){var e=new wjcCore.Point(0,0),n=this.position,o=this._getSize(t);return(n&AnnotationPosition.Top)===AnnotationPosition.Top?e.y-=o.height/2:(n&AnnotationPosition.Bottom)===AnnotationPosition.Bottom&&(e.y+=o.height/2),(n&AnnotationPosition.Left)===AnnotationPosition.Left?e.x-=o.width/2:(n&AnnotationPosition.Right)===AnnotationPosition.Right&&(e.x+=o.width/2),e},t.prototype._getSize=function(t){return new wjcCore.Size},t.prototype._isValidPoint=function(t){return isFinite(t.x)&&isFinite(t.y)},t.prototype._measureString=function(t,e,n){var o,i=t;return i._textGroup&&null==i._textGroup.parentNode?(i._svg.appendChild(i._textGroup),o=i.measureString(e,n,null,this.style),i.endRender()):o=i.measureString(e,n,null,this.style),o},t._DATA_KEY="wj-chart-annotation",t._CSS_ANNOTATION="wjchart-annotation",t._CSS_ANNO_TEXT="anno-text",t._CSS_ANNO_SHAPE="anno-shape",t}();exports.AnnotationBase=AnnotationBase;var Text=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._text="",this.position=AnnotationPosition.Top},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_TEXT},Object.defineProperty(e.prototype,"text",{get:function(){return this._text},set:function(t){var e=this;t!==e._text&&(e._text=t,e._repaint())},enumerable:!0,configurable:!0}),e.prototype._render=function(t){var e,n=this,o=n._convertPoint(n.point);e=n._getOffset(t),n._adjustOffset(o,e),n._renderCenteredText(n._text,t,o,AnnotationBase._CSS_ANNO_TEXT,null,n.style)},e.prototype._getSize=function(t){return t?this._measureString(t,this._text,AnnotationBase._CSS_ANNO_TEXT):new wjcCore.Size},e._CSS_TEXT="wjchart-anno-text",e}(AnnotationBase);exports.Text=Text;var Shape=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._content=""},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_SHAPE},Object.defineProperty(e.prototype,"content",{get:function(){return this._content},set:function(t){var e=this;t!==e._content&&(e._content=t,e._repaint())},enumerable:!0,configurable:!0}),e.prototype._render=function(t){var e=this;e._shapeContainer=t.startGroup(),t.stroke="#000",e._renderShape(t),t.stroke=null,t.endGroup(),e._content&&e._renderText(t)},e.prototype._getContentCenter=function(){return this.point},e.prototype._renderShape=function(t){},e.prototype._renderText=function(t){var e,n,o=this;e=o._convertPoint(o._getContentCenter()),o._isValidPoint(e)&&(n=o._getOffset(),o._adjustOffset(e,n),o._renderCenteredText(o._content,t,e,AnnotationBase._CSS_ANNO_TEXT))},e._CSS_SHAPE="wjchart-anno-shape",e}(AnnotationBase);exports.Shape=Shape;var Ellipse=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"width",{get:function(){return this._width},set:function(t){t!==this._width&&(this._width=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"height",{get:function(){return this._height},set:function(t){t!==this._height&&(this._height=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._width=100,this._height=80},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_ELLIPSE},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n=this,o=n._convertPoint(n.point),i=n._width,r=n._height,s=n._getOffset();n._adjustOffset(o,s),n._isValidPoint(o)&&e.drawEllipse(o.x,o.y,i/2,r/2,AnnotationBase._CSS_ANNO_SHAPE,n.style)},e.prototype._getSize=function(){return new wjcCore.Size(this.width,this.height)},e._CSS_ELLIPSE="wjchart-anno-ellipse",e}(Shape);exports.Ellipse=Ellipse;var Rectangle=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"width",{get:function(){return this._width},set:function(t){t!==this._width&&(this._width=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"height",{get:function(){return this._height},set:function(t){t!==this._height&&(this._height=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._width=100,this._height=80},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_RECTANGLE},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n=this,o=n._convertPoint(n.point),i=n._width,r=n._height,s=n._getOffset();n._adjustOffset(o,s),n._isValidPoint(o)&&e.drawRect(o.x-i/2,o.y-r/2,n._width,n._height,AnnotationBase._CSS_ANNO_SHAPE,n.style)},e.prototype._getSize=function(){return new wjcCore.Size(this.width,this.height)},e._CSS_RECTANGLE="wjchart-anno-rectangle",e}(Shape);exports.Rectangle=Rectangle;var Line=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"start",{get:function(){return this._start},set:function(t){var e=this;null!=t.x&&null!=t.y&&(t.x===e._start.x&&t.y===e._start.y||(e._start=t,e._repaint()))},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"end",{get:function(){return this._end},set:function(t){var e=this;null!=t.x&&null!=t.y&&(t.x===e._end.x&&t.y===e._end.y||(e._end=t,e._repaint()))},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._start=new wjcChart.DataPoint(0,0),this._end=new wjcChart.DataPoint(0,0),this.position=AnnotationPosition.Top},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_LINE},e.prototype._getContentCenter=function(){var t=this.start,e=this.end;return new wjcChart.DataPoint((t.x+e.x)/2,(t.y+e.y)/2)},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n,o=this,i=o._convertPoint(o._start),r=o._convertPoint(o._end);o._cS=i,o._cE=r,n=o._getOffset(),o._adjustOffset(i,n),o._adjustOffset(r,n),o._isValidPoint(i)&&o._isValidPoint(r)&&e.drawLine(i.x,i.y,r.x,r.y,AnnotationBase._CSS_ANNO_SHAPE,o.style)},e.prototype._getSize=function(){var t=this._cS,e=this._cE;return new wjcCore.Size(Math.abs(t.x-e.x),Math.abs(t.y-e.y))},e.prototype._renderText=function(t){var e,n,o,i=this,r=i._cS,s=i._cE;e=i._convertPoint(i._getContentCenter()),n=i._getOffset(),i._adjustOffset(e,n),i._isValidPoint(e)&&(o=(o=180*Math.atan2(s.y-r.y,s.x-r.x)/Math.PI)<-90?o+180:o>90?o-180:o,i._renderCenteredText(i.content,t,e,AnnotationBase._CSS_ANNO_TEXT,o))},e.prototype._renderCenteredText=function(e,n,o,i,r,s){if(null!=r){var a,_,p,h;p=this._measureString(n,e,i).height/2,h=r*Math.PI/180,a=p*Math.sin(h),_=p*Math.cos(h),o.x=o.x+a,o.y=o.y-_}t.prototype._renderCenteredText.call(this,e,n,o,i,r,s)},e._CSS_LINE="wjchart-anno-line",e}(Shape);exports.Line=Line;var Polygon=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),e.prototype._processOptions=function(e,n,o){var i=this;if("points"===e){var r=o[e];wjcCore.isArray(r)&&r.forEach(function(t){i.points.push(t)})}else t.prototype._processOptions.call(this,e,n,o)},Object.defineProperty(e.prototype,"points",{get:function(){return this._points},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){var e=this;t.prototype._resetDefaultValue.call(this),e._points=new wjcCore.ObservableArray,e._points.collectionChanged.addHandler(function(){e._element&&e._repaint()})},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_POLYGON},e.prototype._getContentCenter=function(){var t,e=this.points,n=e.length,o=0,i=0;for(t=0;t<n;t++)o+=e[t].x,i+=e[t].y;return new wjcChart.DataPoint(o/n,i/n)},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n,o,i=this,r=[],s=[],a=i._points,_=a.length,p=i._getOffset();for(n=0;n<_;n++){if(o=i._convertPoint(a[n]),!i._isValidPoint(o))return;i._adjustOffset(o,p),r.push(o.x),s.push(o.y)}e.drawPolygon(r,s,AnnotationBase._CSS_ANNO_SHAPE,i.style)},e.prototype._getSize=function(){var t,e,n,o,i,r,s,a=this,_=a._points.length;for(s=[].map.call(a._points,function(t){return a._convertPoint(t)}),i=0;i<_;i++)r=s[i],0!==i?(r.x<t?t=r.x:r.x>e&&(e=r.x),r.y<n?n=r.y:r.y>o&&(o=r.y)):(t=e=r.x,n=o=r.y);return new wjcCore.Size(e-t,o-n)},e._CSS_POLYGON="wjchart-anno-polygon",e}(Shape);exports.Polygon=Polygon;var Circle=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"radius",{get:function(){return this._radius},set:function(t){t!==this._radius&&(this._radius=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._radius=100},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_CIRCLE},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n=this,o=n._convertPoint(n.point),i=n._getOffset();n._adjustOffset(o,i),n._isValidPoint(o)&&e.drawPieSegment(o.x,o.y,n.radius,0,360,AnnotationBase._CSS_ANNO_SHAPE,n.style)},e.prototype._getSize=function(){var t=2*this.radius;return new wjcCore.Size(t,t)},e._CSS_CIRCLE="wjchart-anno-circle",e}(Shape);exports.Circle=Circle;var Square=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"length",{get:function(){return this._length},set:function(t){t!==this._length&&(this._length=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._length=100},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_SQUARE},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n=this,o=n._convertPoint(n.point),i=n.length,r=n._getOffset();n._adjustOffset(o,r),n._isValidPoint(o)&&e.drawRect(o.x-i/2,o.y-i/2,i,i,AnnotationBase._CSS_ANNO_SHAPE,n.style)},e.prototype._getSize=function(){return new wjcCore.Size(this.length,this.length)},e._CSS_SQUARE="wjchart-anno-square",e}(Shape);exports.Square=Square;var Image=function(t){function e(e){return t.call(this,e)||this}return __extends(e,t),Object.defineProperty(e.prototype,"width",{get:function(){return this._width},set:function(t){t!==this._width&&(this._width=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"height",{get:function(){return this._height},set:function(t){t!==this._height&&(this._height=wjcCore.asNumber(t,!1,!0),this._repaint())},enumerable:!0,configurable:!0}),Object.defineProperty(e.prototype,"href",{get:function(){return this._href},set:function(t){t!==this._href&&(this._href=t,this._repaint())},enumerable:!0,configurable:!0}),e.prototype._resetDefaultValue=function(){t.prototype._resetDefaultValue.call(this),this._width=100,this._height=100,this._href=""},e.prototype._getCSSClass=function(){return t.prototype._getCSSClass.call(this)+" "+e._CSS_IMAGE},e.prototype._renderShape=function(e){t.prototype._renderShape.call(this,e);var n=this,o=n._convertPoint(n.point),i=n._href,r=n.width,s=n.height,a=n._getOffset();i.length>0&&n._isValidPoint(o)&&(n._adjustOffset(o,a),e.drawImage(i,o.x-r/2,o.y-s/2,r,s)),n._applyStyle(n._element,n.style)},e.prototype._getSize=function(){return new wjcCore.Size(this.width,this.height)},e.prototype._applyStyle=function(t,e){if(e)for(var n in e)t.setAttribute(this._deCase(n),e[n])},e.prototype._deCase=function(t){return t.replace(/[A-Z]/g,function(t){return"-"+t.toLowerCase()})},e._CSS_IMAGE="wjchart-anno-image",e}(Shape);exports.Image=Image;var AnnotationLayer=function(){function t(t,e){var n=this;n._init(t),n._renderGroup(),n._bindTooltip(),e&&wjcCore.isArray(e)&&e.forEach(function(t){var e,o=t.type||"Circle";wjcSelf[o]&&(e=new wjcSelf[o](t),n._items.push(e))})}return t.prototype._init=function(t){var e=this;e._items=new wjcCore.ObservableArray,e._items.collectionChanged.addHandler(e._itemsChanged,e),e._chart=t,e._forceTTShowing=!1,e._annoTTShowing=!1,e._engine=t._currentRenderEngine,t.rendered.addHandler(e._renderAnnotations,e),t.lostFocus.addHandler(e._lostFocus,e)},t.prototype._lostFocus=function(t){this._toggleTooltip(this._tooltip,t,this._chart.hostElement)},Object.defineProperty(t.prototype,"items",{get:function(){return this._items},enumerable:!0,configurable:!0}),t.prototype.getItem=function(t){var e=this.getItems(t);return e.length>0?e[0]:null},t.prototype.getItems=function(t){var e=[];if(0===this._items.length||!t||""===t)return e;for(var n=0;n<this._items.length;n++)t===this._items[n].name&&e.push(this._items[n]);return e},t.prototype._bindTooltip=function(){var t,e=this,n=e._chart.hostElement,o=e._tooltip;o||(o=e._tooltip=new wjcChart.ChartTooltip,t=wjcCore.Tooltip.prototype.hide,wjcCore.Tooltip.prototype.hide=function(){e._forceTTShowing||t.call(o)}),n&&(n.addEventListener("click",function(t){e._toggleTooltip(o,t,n)}),n.addEventListener("mousemove",function(t){e._showTooltip()&&e._toggleTooltip(o,t,n)}))},t.prototype._showTooltip=function(){return!this._chart.isTouching},t.prototype._toggleTooltip=function(t,e,n){var o=this,i=o._getAnnotation(e.target,n);if(i&&i.tooltip)o._forceTTShowing=!0,o._annoTTShowing=!0,t.show(o._layerEle,i.tooltip,new wjcCore.Rect(e.clientX,e.clientY,5,5));else{if(!o._annoTTShowing)return;o._annoTTShowing=!1,o._forceTTShowing=!1,t.hide()}},t.prototype._getAnnotation=function(t,e){var n=this._getAnnotationElement(t,e);return null==n?null:n[AnnotationBase._DATA_KEY]},t.prototype._getAnnotationElement=function(t,e){if(!t||!e)return null;var n=t.parentNode;return wjcCore.hasClass(t,AnnotationBase._CSS_ANNOTATION)?t:null==n||n===document.body||n===document||n===e?null:this._getAnnotationElement(n,e)},t.prototype._itemsChanged=function(t,e){var n=e.action,o=e.item;switch(n){case wjcCore.NotifyCollectionChangedAction.Add:case wjcCore.NotifyCollectionChangedAction.Change:o._layer=this,this._renderAnnotation(o);break;case wjcCore.NotifyCollectionChangedAction.Remove:this._destroyAnnotation(o)}},t.prototype._renderAnnotations=function(){var t,e=this.items,n=e.length;for(this._renderGroup(),t=0;t<n;t++)this._renderAnnotation(e[t])},t.prototype._renderGroup=function(){var e=this,n=e._engine,o=e._chart._plotRect;o&&(e._layerEle&&null!=e._layerEle.parentNode||(e._plotrectId="plotRect"+(1e6*Math.random()).toFixed(),n.addClipRect({left:0,top:0,width:o.width,height:o.height},e._plotrectId),e._layerEle=n.startGroup(t._CSS_Layer,e._plotrectId),e._layerEle.setAttribute("transform","translate("+o.left+", "+o.top+")"),n.endGroup()))},t.prototype._renderAnnotation=function(t){this._layerEle&&null!=this._layerEle.parentNode&&(t._element&&t._element.parentNode==this._layerEle&&this._layerEle.removeChild(t._element),t.render(this._engine),this._layerEle.appendChild(t._element))},t.prototype._destroyAnnotations=function(){var t,e=this.items,n=e.length;for(t=0;t<n;t++)this._destroyAnnotation(e[t])},t.prototype._destroyAnnotation=function(t){this._layerEle&&this._layerEle.removeChild(t._element),t.destroy()},t._CSS_Layer="wj-chart-annotationlayer",t}();exports.AnnotationLayer=AnnotationLayer;