Add two separate options to enable labels and/or percentages in 'flot-pie' widget (#1882)

@@ -74,7 +74,7 @@
         "controllerScript": "self.onInit = function() {\n    self.ctx.flot = new TbFlot(self.ctx, 'pie');    \n}\n\nself.onDataUpdated = function() {\n    self.ctx.flot.update();\n}\n\nself.onResize = function() {\n    self.ctx.flot.resize();\n}\n\nself.onEditModeChanged = function() {\n    self.ctx.flot.checkMouseEvents();\n}\n\nself.onMobileModeChanged = function() {\n    self.ctx.flot.checkMouseEvents();\n}\n\nself.getSettingsSchema = function() {\n    return TbFlot.pieSettingsSchema;\n}\n\nself.getDataKeySettingsSchema = function() {\n    return TbFlot.pieDatakeySettingsSchema;\n}\n\nself.onDestroy = function() {\n    self.ctx.flot.destroy();\n}\n",
         "settingsSchema": "{}\n",
         "dataKeySettingsSchema": "{}\n",
-        "defaultConfig": "{\"datasources\":[{\"type\":\"function\",\"name\":\"function\",\"dataKeys\":[{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"First\",\"color\":\"#2196f3\",\"settings\":{},\"_hash\":0.15479322438769105,\"funcBody\":\"var value = (prevValue-50) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+50;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Second\",\"color\":\"#4caf50\",\"settings\":{},\"_hash\":0.6114638304362894,\"funcBody\":\"var value = (prevValue-20) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+20;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Third\",\"color\":\"#f44336\",\"settings\":{},\"_hash\":0.9955906536344441,\"funcBody\":\"var value = (prevValue-40) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+40;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Fourth\",\"color\":\"#ffc107\",\"settings\":{},\"_hash\":0.9430835931647599,\"funcBody\":\"var value = (prevValue-50) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+50;\"}]}],\"timewindow\":{\"realtime\":{\"timewindowMs\":60000}},\"showTitle\":true,\"backgroundColor\":\"#fff\",\"color\":\"rgba(0, 0, 0, 0.87)\",\"padding\":\"8px\",\"settings\":{\"radius\":1,\"fontColor\":\"#545454\",\"fontSize\":10,\"decimals\":1,\"legend\":{\"show\":true,\"position\":\"nw\",\"labelBoxBorderColor\":\"#CCCCCC\",\"backgroundColor\":\"#F0F0F0\",\"backgroundOpacity\":0.85},\"innerRadius\":0,\"showLabels\":true,\"stroke\":{\"width\":5},\"tilt\":1,\"animatedPie\":false},\"title\":\"Pie - Flot\",\"dropShadow\":true,\"enableFullscreen\":true,\"titleStyle\":{\"fontSize\":\"16px\",\"fontWeight\":400}}"
+        "defaultConfig": "{\"datasources\":[{\"type\":\"function\",\"name\":\"function\",\"dataKeys\":[{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"First\",\"color\":\"#2196f3\",\"settings\":{},\"_hash\":0.15479322438769105,\"funcBody\":\"var value = (prevValue-50) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+50;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Second\",\"color\":\"#4caf50\",\"settings\":{},\"_hash\":0.6114638304362894,\"funcBody\":\"var value = (prevValue-20) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+20;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Third\",\"color\":\"#f44336\",\"settings\":{},\"_hash\":0.9955906536344441,\"funcBody\":\"var value = (prevValue-40) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+40;\"},{\"name\":\"f(x)\",\"type\":\"function\",\"label\":\"Fourth\",\"color\":\"#ffc107\",\"settings\":{},\"_hash\":0.9430835931647599,\"funcBody\":\"var value = (prevValue-50) + Math.random() * 2 - 1;\\nif (value < 0) {\\n\\tvalue = 0;\\n} else if (value > 100) {\\n\\tvalue = 100;\\n}\\nreturn value+50;\"}]}],\"timewindow\":{\"realtime\":{\"timewindowMs\":60000}},\"showTitle\":true,\"backgroundColor\":\"#fff\",\"color\":\"rgba(0, 0, 0, 0.87)\",\"padding\":\"8px\",\"settings\":{\"radius\":1,\"fontColor\":\"#545454\",\"fontSize\":10,\"decimals\":1,\"legend\":{\"show\":true,\"position\":\"nw\",\"labelBoxBorderColor\":\"#CCCCCC\",\"backgroundColor\":\"#F0F0F0\",\"backgroundOpacity\":0.85},\"innerRadius\":0,\"showLabels\":true,\"showPercentages\":true,\"stroke\":{\"width\":5},\"tilt\":1,\"animatedPie\":false},\"title\":\"Pie - Flot\",\"dropShadow\":true,\"enableFullscreen\":true,\"titleStyle\":{\"fontSize\":\"16px\",\"fontWeight\":400}}"
       }
     },
     {
@@ -170,4 +170,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}

@@ -350,7 +350,7 @@ export default class TbFlot {
                 pie: {
                     show: true,
                     label: {
-                        show: settings.showLabels === true
+                        show: settings.showLabels || settings.showPercentages
                     },
                     radius: settings.radius || 1,
                     innerRadius: settings.innerRadius || 0,
@@ -373,7 +373,11 @@ export default class TbFlot {
 
             if (options.series.pie.label.show) {
                 options.series.pie.label.formatter = function (label, series) {
-                    return "<div class='pie-label'>" + series.dataKey.label + "<br/>" + Math.round(series.percent) + "%</div>";
+                    return "<div class='pie-label'>" +
+                        (settings.showLabels ? series.dataKey.label : "") +
+                        (settings.showLabels && settings.showPercentages ? "<br/>" : "") +
+                        (settings.showPercentages ? Math.round(series.percent) + "%" : "") +
+                        "</div>";
                 }
                 options.series.pie.label.radius = 3/4;
                 options.series.pie.label.background = {
@@ -791,6 +795,11 @@ export default class TbFlot {
                         "type": "boolean",
                         "default": false
                     },
+                    "showPercentages": {
+                        "title": "Show percentages",
+                        "type": "boolean",
+                        "default": false
+                    },
                     "fontColor": {
                         "title": "Font color",
                         "type": "string",
@@ -820,6 +829,7 @@ export default class TbFlot {
                     ]
                 },
                 "showLabels",
+                "showPercentages",
                 {
                     "key": "fontColor",
                     "type": "color"