Merge pull request #8997 from cuijian-dexter/dev

Pie chart adds filterValue parameter

src/chart/pie/PieView.js

@@ -94,6 +94,9 @@ function PiePiece(data, idx) {
     this.add(sector);
     this.add(polyline);
     this.add(text);
+    
+    var valueDim = data.mapDimension('value');
+    this._sum = data.getSum(valueDim) || 0;
 
     this.updateData(data, idx, true);
 }
@@ -201,6 +204,13 @@ piePieceProto.updateData = function (data, idx, firstCreate) {
     graphic.setHoverStyle(this);
 };
 
+piePieceProto._getLabelDisplayThresholdState = function (data, idx) {
+    var seriesModel = data.hostModel;
+    var valueDim = data.mapDimension('value');
+    var labelDisplayThreshold = seriesModel.get('labelDisplayThreshold');
+    return this._sum * labelDisplayThreshold > data.get(valueDim, idx);
+}
+
 piePieceProto._updateLabel = function (data, idx) {
 
     var labelLine = this.childAt(1);
@@ -211,6 +221,7 @@ piePieceProto._updateLabel = function (data, idx) {
     var layout = data.getItemLayout(idx);
     var labelLayout = layout.label;
     var visualColor = data.getItemVisual(idx, 'color');
+    var filterLabelIgnore = this._getLabelDisplayThresholdState(data, idx);
 
     graphic.updateProps(labelLine, {
         shape: {
@@ -254,11 +265,11 @@ piePieceProto._updateLabel = function (data, idx) {
         }
     );
 
-    labelText.ignore = labelText.normalIgnore = !labelModel.get('show');
-    labelText.hoverIgnore = !labelHoverModel.get('show');
+    labelText.ignore = labelText.normalIgnore = !labelModel.get('show') || filterLabelIgnore;
+    labelText.hoverIgnore = !labelHoverModel.get('show') || filterLabelIgnore;
 
-    labelLine.ignore = labelLine.normalIgnore = !labelLineModel.get('show');
-    labelLine.hoverIgnore = !labelLineHoverModel.get('show');
+    labelLine.ignore = labelLine.normalIgnore = !labelLineModel.get('show') || filterLabelIgnore;
+    labelLine.hoverIgnore = !labelLineHoverModel.get('show') || filterLabelIgnore;
 
     // Default use item visual color
     labelLine.setStyle({
@@ -309,7 +320,6 @@ var PieView = ChartView.extend({
         );
 
         var selectedMode = seriesModel.get('selectedMode');
-
         data.diff(oldData)
             .add(function (idx) {
                 var piePiece = new PiePiece(data, idx);
@@ -405,4 +415,4 @@ var PieView = ChartView.extend({
 
 });
 
-export default PieView;
\ No newline at end of file
+export default PieView;