pissang commented on code in PR #17471:
URL: https://github.com/apache/echarts/pull/17471#discussion_r996430747
##########
src/chart/graph/Thumbnail.ts:
##########
@@ -0,0 +1,204 @@
+import * as graphic from '../../util/graphic';
+import ExtensionAPI from '../../core/ExtensionAPI';
+import * as layout from '../../util/layout';
+import { BoxLayoutOptionMixin } from '../../util/types';
+import SymbolClz from '../helper/Symbol';
+import ECLinePath from '../helper/LinePath';
+import GraphSeriesModel from './GraphSeries';
+import { RoamEventParams } from '../../component/helper/RoamController';
+import { clone } from 'zrender/src/core/util';
+
+interface LayoutParams {
+ pos: BoxLayoutOptionMixin
+ box: {
+ width: number,
+ height: number
+ }
+}
+
+class Thumbnail {
+
+ group = new graphic.Group();
+ _parent: graphic.Group;
+
+ _widthProportion: number;
+ _heightProportion: number;
+
+ _selectedRect: graphic.Rect;
+ _wrapper: graphic.Rect;
+ _layoutParams: LayoutParams;
+
+ _treeModel: GraphSeriesModel;
+
+ constructor(containerGroup: graphic.Group) {
+ containerGroup.add(this.group);
+ this._parent = containerGroup;
+ }
+
+ render(seriesModel: GraphSeriesModel, api: ExtensionAPI) {
+ const model = seriesModel.getModel('thumbnail');
+ const group = this.group;
+
+ group.removeAll();
+ if (!model.get('show')) {
+ return;
+ }
+
+ this._treeModel = seriesModel;
+
+ const childrenNodes = (this._parent.children()[0] as
graphic.Group).children();
+ const symbolNodes = (childrenNodes[0] as graphic.Group).children();
+ const lineNodes = (childrenNodes[1] as graphic.Group).children();
+
+ const backgroundColor = model.getModel('backgroundColor');
+ const borderColor = model.getModel('borderColor');
+ const thumbnailWidth = model.get('width');
+ const thumbnailHeight = model.get('height');
+ const selectedDataBackground =
model.getModel('selectedDataBackground');
+
+ this._layoutParams = {
+ pos: {
+ left: model.get('left'),
+ right: model.get('right'),
+ top: model.get('top'),
+ bottom: model.get('bottom')
+ },
+ box: {
+ width: api.getWidth(),
+ height: api.getHeight()
+ }
+ };
+
+ const layoutParams = this._layoutParams;
+
+ this._widthProportion = <number>thumbnailWidth /
layoutParams.box.width;
+ this._heightProportion = <number>thumbnailHeight /
layoutParams.box.height;
+
+ const thumbnailGroup = new graphic.Group();
+
+ for (const node of symbolNodes) {
+ const sub = (node as graphic.Group).children()[0];
+ const x = (node as SymbolClz).x;
+ const y = (node as SymbolClz).y;
+
+ const subThumbnail = new (sub as any).constructor({
+ shape: {
+ ...(sub as graphic.Path).shape,
+ width: 5,
+ height: 5,
+ x: (x * 0.25 - 2.5),
+ y: (y * 0.25 - 2.5)
+ },
+ style: (sub as graphic.Path).style,
+ z: 3,
+ z2: 151
+ });
+
+ thumbnailGroup.add(subThumbnail);
+ }
+
+ for (const node of lineNodes) {
+ const line = (node as graphic.Group).children()[0];
+ const lineThumbnail = new ECLinePath({
+ style: (line as ECLinePath).style,
+ shape: (line as ECLinePath).shape,
+ scaleX: 0.25,
+ scaleY: 0.25,
+ z: 3,
Review Comment:
Just remove it
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