93 lines
3.4 KiB
Java
93 lines
3.4 KiB
Java
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import { __extends } from "tslib";
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import { FIELD_ORIGIN } from '../constant';
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import Geometry from './base';
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import Element from './element';
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/** 引入对应的 ShapeFactory */
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import './shape/line';
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import { isModelChange } from './util/is-model-change';
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/**
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* Path 几何标记。
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* 用于绘制路径图等。
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*/
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var Path = /** @class */ (function (_super) {
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__extends(Path, _super);
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function Path(cfg) {
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var _this = _super.call(this, cfg) || this;
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_this.type = 'path';
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_this.shapeType = 'line';
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var _a = cfg.connectNulls, connectNulls = _a === void 0 ? false : _a;
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_this.connectNulls = connectNulls;
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return _this;
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}
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/**
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* 创建所有的 Element 实例，对于 Path、Line、Area，一组数据对应一个 Element。
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* @param mappingData
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* @param [isUpdate]
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* @returns elements
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*/
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Path.prototype.createElements = function (mappingData, index, isUpdate) {
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if (isUpdate === void 0) { isUpdate = false; }
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// Path 的每个 element 对应一组数据
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var _a = this, lastElementsMap = _a.lastElementsMap, elementsMap = _a.elementsMap, elements = _a.elements, container = _a.container;
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var elementId = this.getElementId(mappingData);
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var shapeCfg = this.getShapeInfo(mappingData);
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var result = lastElementsMap[elementId];
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if (!result) {
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var shapeFactory = this.getShapeFactory();
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result = new Element({
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shapeFactory: shapeFactory,
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container: container,
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offscreenGroup: this.getOffscreenGroup(),
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});
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result.geometry = this;
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result.animate = this.animateOption;
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result.draw(shapeCfg, isUpdate); // 绘制 shape
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}
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else {
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// element 已经创建
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var preShapeCfg = result.getModel();
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if (this.isCoordinateChanged || isModelChange(preShapeCfg, shapeCfg)) {
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result.animate = this.animateOption;
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// 通过绘制数据的变更来判断是否需要更新，因为用户有可能会修改图形属性映射
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result.update(shapeCfg); // 更新对应的 element
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}
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delete lastElementsMap[elementId];
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}
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elements.push(result);
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elementsMap[elementId] = result;
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return elements;
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};
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/**
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* 获取组成一条线（一组数据）的所有点以及数据
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* @param mappingData 映射后的数组
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*/
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Path.prototype.getPointsAndData = function (mappingData) {
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var points = [];
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var data = [];
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for (var i = 0, len = mappingData.length; i < len; i++) {
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var obj = mappingData[i];
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points.push({
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x: obj.x,
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y: obj.y,
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});
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data.push(obj[FIELD_ORIGIN]);
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}
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return {
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points: points,
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data: data,
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};
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};
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Path.prototype.getShapeInfo = function (mappingData) {
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var shapeCfg = this.getDrawCfg(mappingData[0]);
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var _a = this.getPointsAndData(mappingData), points = _a.points, data = _a.data;
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shapeCfg.mappingData = mappingData;
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shapeCfg.data = data;
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shapeCfg.isStack = !!this.getAdjust('stack');
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shapeCfg.points = points;
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shapeCfg.connectNulls = this.connectNulls;
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return shapeCfg;
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};
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return Path;
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}(Geometry));
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export default Path;
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//# sourceMappingURL=path.js.map
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