Function removeNode

_benchmarks/sample_echarts.js:52407–52479

(data, dataIndex, symbolEl, group, seriesModel)

    }

    function removeNode(data, dataIndex, symbolEl, group, seriesModel) {
      var node = data.tree.getNodeByDataIndex(dataIndex);
      var virtualRoot = data.tree.root;
      var source = node.parentNode === virtualRoot ? node : node.parentNode || node; // let edgeShape = seriesScope.edgeShape;

      var sourceLayout;

      while (sourceLayout = source.getLayout(), sourceLayout == null) {
        source = source.parentNode === virtualRoot ? source : source.parentNode || source;
      } // Use same duration and easing with update to have more consistent animation.


      var removeAnimationOpt = {
        duration: seriesModel.get('animationDurationUpdate'),
        easing: seriesModel.get('animationEasingUpdate')
      };
      removeElement(symbolEl, {
        x: sourceLayout.x + 1,
        y: sourceLayout.y + 1
      }, seriesModel, {
        cb: function () {
          group.remove(symbolEl);
          data.setItemGraphicEl(dataIndex, null);
        },
        removeOpt: removeAnimationOpt
      });
      symbolEl.fadeOut(null, {
        fadeLabel: true,
        animation: removeAnimationOpt
      });
      var sourceSymbolEl = data.getItemGraphicEl(source.dataIndex);
      var sourceEdge = sourceSymbolEl.__edge; // 1. when expand the sub tree, delete the children node should delete the edge of
      // the source at the same time. because the polyline edge shape is only owned by the source.
      // 2.when the node is the only children of the source, delete the node should delete the edge of
      // the source at the same time. the same reason as above.

      var edge = symbolEl.__edge || (source.isExpand === false || source.children.length === 1 ? sourceEdge : undefined);
      var edgeShape = seriesModel.get('edgeShape');
      var layoutOpt = seriesModel.get('layout');
      var orient = seriesModel.get('orient');
      var curvature = seriesModel.get(['lineStyle', 'curveness']);

      if (edge) {
        if (edgeShape === 'curve') {
          removeElement(edge, {
            shape: getEdgeShape(layoutOpt, orient, curvature, sourceLayout, sourceLayout),
            style: {
              opacity: 0
            }
          }, seriesModel, {
            cb: function () {
              group.remove(edge);
            },
            removeOpt: removeAnimationOpt
          });
        } else if (edgeShape === 'polyline' && seriesModel.get('layout') === 'orthogonal') {
          removeElement(edge, {
            shape: {