pissang commented on a change in pull request #14542:
URL: https://github.com/apache/echarts/pull/14542#discussion_r604583278
##########
File path: src/core/echarts.ts
##########
@@ -2157,34 +2157,44 @@ class ECharts extends Eventful<ECEventDefinition> {
if (model.preventAutoZ) {
return;
}
- const z = model.get('z');
- const zlevel = model.get('zlevel');
// Set z and zlevel
- view.group.traverse(function (el: Displayable) {
- if (!el.isGroup) {
- z != null && (el.z = z);
- zlevel != null && (el.zlevel = zlevel);
-
- // TODO if textContent is on group.
- const label = el.getTextContent();
- const labelLine = el.getTextGuideLine();
- if (label) {
- label.z = el.z;
- label.zlevel = el.zlevel;
- // lift z2 of text content
- // TODO if el.emphasis.z2 is spcefied, what about
textContent.
- label.z2 = el.z2 + 2;
- }
- if (labelLine) {
- const showAbove = el.textGuideLineConfig &&
el.textGuideLineConfig.showAbove;
- labelLine.z = el.z;
- labelLine.zlevel = el.zlevel;
- labelLine.z2 = el.z2 + (showAbove ? 1 : -1);
- }
- }
- });
+ _updateZ(view.group, model.get('z'), model.get('zlevel'));
};
+ function _updateZ(el: Element, z: number, zlevel: number) {
+ // Group may also have textContent
+ const label = el.getTextContent();
+ const labelLine = el.getTextGuideLine();
+ const isGroup = el.isGroup;
+
+ // always set z and zlevel if label/labelLine exists
+ if (label || labelLine) {
+ if (label) {
+ label.z = z + 1;
+ label.zlevel = zlevel;
+ // lift z2 of text content
+ // TODO if el.emphasis.z2 is spcefied, what about
textContent.
+ isGroup || (label.z2 = (el as Displayable).z2 + 2);
+ }
+ if (labelLine) {
+ const showAbove = el.textGuideLineConfig &&
el.textGuideLineConfig.showAbove;
+ labelLine.z = z;
+ labelLine.zlevel = zlevel;
+ isGroup || (labelLine.z2 = (el as Displayable).z2 +
(showAbove ? 1 : -1));
+ }
+ }
+
+ if (isGroup) {
+ // set z & zlevel of children elements of Group
+ el.traverse((childEl: Element) => _updateZ(childEl, z,
zlevel));
Review comment:
Sure
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