no data available support #1040

src/config.js

@@ -1388,7 +1388,11 @@ define(function() {
           'circle', 'rectangle', 'triangle', 'diamond',
           'emptyCircle', 'emptyRectangle', 'emptyTriangle', 'emptyDiamond'
         ],
+        loadingEffect: 'spin',
         loadingText: 'Loading...',
+        noDataEffect: 'bubble',
+        noDataText: 'No Data Available.',
+        // noDataLoadingOption: null,
         // 可计算特性配置，孤岛，提示颜色
         calculable: false,                      // 默认关闭可计算特性
         calculableColor: 'rgba(255,165,0,0.6)', // 拖拽提示边框颜色

src/echarts.js

@@ -609,12 +609,40 @@ define(function (require) {
             return;
         },
 
+        _noDataCheck: function(magicOption) {
+            var series = magicOption.series;
+            for (var i = 0, l = series.length; i < l; i++) {
+                if ((series[i].data && series[i].data.length > 0)
+                    || (series[i].markPoint && series[i].markPoint.data && series[i].markPoint.data.length > 0)
+                    || (series[i].markLine && series[i].markLine.data && series[i].markLine.data.length > 0)
+                    || (series[i].nodes && series[i].nodes.length > 0)
+                    || (series[i].links && series[i].links.length > 0)
+                    || (series[i].matrix && series[i].matrix.length > 0)
+                    || (series[i].eventList && series[i].eventList.length > 0)
+                ) {
+                    return false;   // 存在任意数据则为非空数据
+                }
+            }
+            // 空数据
+            this.clear();
+            var loadOption = this._themeConfig.noDataLoadingOption || {
+                text: this._themeConfig.noDataText,
+                effect: this._themeConfig.noDataEffect
+            };
+            this.showLoading(loadOption);
+            return true;
+        },
+
         /**
          * 图表渲染 
          */
         _render: function (magicOption) {
             this._mergeGlobalConifg(magicOption);
 
+            if (this._noDataCheck(magicOption)) {
+                return;
+            }
+
             var bgColor = magicOption.backgroundColor;
             if (bgColor) {
                 if (!_canvasSupported 
@@ -1549,7 +1577,7 @@ define(function (require) {
             
             var Effect = loadingOption.effect;
             if (typeof Effect === 'string' || Effect == null) {
-                Effect =  effectList[loadingOption.effect || 'spin'];
+                Effect =  effectList[loadingOption.effect || this._themeConfig.loadingEffect];
             }
             this._zr.showLoading(new Effect(loadingOption.effectOption));
             return this;