138 lines
4.4 KiB
Java
138 lines
4.4 KiB
Java
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var util_1 = require("@antv/util");
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var wolfy87_eventemitter_1 = tslib_1.__importDefault(require("wolfy87-eventemitter"));
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var view_1 = require("./view");
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var constants_1 = tslib_1.__importDefault(require("./constants"));
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/**
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* 数据集
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* @public
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*/
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var DataSet = /** @class */ (function (_super) {
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tslib_1.__extends(DataSet, _super);
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/**
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* @param initialProps - 初始状态
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*/
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function DataSet(initialProps) {
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if (initialProps === void 0) { initialProps = { state: {} }; }
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var _this = _super.call(this) || this;
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/**
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* 否是 DataSet
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*/
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_this.isDataSet = true;
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_this._onChangeTimer = null;
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/**
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* 所有挂在数据集上的数据视图（key-value 对）
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*/
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_this.views = {};
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/**
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* 存储数据集上的状态量（key-value 对）
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*/
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_this.state = {};
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// assign(me, initialProps);
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_this.state = initialProps.state;
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return _this;
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}
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/**
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* 注册一个数据连接函数，注册后所有数据视图都可以使用 name 来引用这个数据连接函数，从而接入某种数据源。
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* @param name - 类型
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* @param connector - 解析逻辑
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*/
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DataSet.registerConnector = function (name, connector) {
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DataSet.connectors[name] = connector;
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};
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DataSet.getConnector = function (name) {
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return DataSet.connectors[name] || DataSet.connectors.default;
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};
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/**
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* 注册一个数据处理函数，注册后所有数据视图都可以使用 name 来引用这个数据处理函数，从而进行某种数据处理
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* @param name - transform 类型
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* @param transform - transform逻辑
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*/
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DataSet.registerTransform = function (name, transform) {
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DataSet.transforms[name] = transform;
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};
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DataSet.getTransform = function (name) {
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return DataSet.transforms[name] || DataSet.transforms.default;
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};
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DataSet.prototype._getUniqueViewName = function () {
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var name = util_1.uniqueId('view_');
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while (this.views[name]) {
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name = util_1.uniqueId('view_');
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}
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return name;
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};
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DataSet.prototype.createView = function (name, options) {
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if (util_1.isNil(name)) {
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name = this._getUniqueViewName();
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}
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if (util_1.isObject(name)) {
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options = name;
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name = this._getUniqueViewName();
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}
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if (this.views[name]) {
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throw new Error("data view exists: " + name);
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}
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var view = new view_1.View(this, options);
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this.views[name] = view;
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return view;
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};
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/**
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* 返回 name 对应的数据视图实例
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* @param name - name
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*/
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DataSet.prototype.getView = function (name) {
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return this.views[name];
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};
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/**
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* 设置 name 对应的数据视图实例为 dv
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* @param name - 名称
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* @param view - data view
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*/
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DataSet.prototype.setView = function (name, view) {
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this.views[name] = view;
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};
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/**
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* 设置状态量 name 的值为 value
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* @param name - 状态名
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* @param value - 值
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*/
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DataSet.prototype.setState = function (name, value) {
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var _this = this;
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this.state[name] = value;
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if (this._onChangeTimer) {
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window.clearTimeout(this._onChangeTimer);
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this._onChangeTimer = null;
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}
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this._onChangeTimer = window.setTimeout(function () {
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_this.emit('statechange', name, value);
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}, 16); // execute after one frame
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};
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/**
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* 常量，譬如 DataSet.CONSTANTS.HIERARCHY 是树形结构的名称
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*/
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DataSet.CONSTANTS = constants_1.default;
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/**
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* 注册的 Connector（key-value 对）
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*/
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DataSet.connectors = {};
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/**
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* 已注册的 Transform（key-value 对）
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*/
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DataSet.transforms = {};
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DataSet.DataSet = DataSet;
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DataSet.DataView = view_1.View; // alias
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DataSet.View = view_1.View;
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DataSet.version = '____DATASET_VERSION____';
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return DataSet;
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}(wolfy87_eventemitter_1.default));
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exports.DataSet = DataSet;
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// @ts-ignore
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util_1.assign(DataSet, constants_1.default);
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// @ts-ignore
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util_1.assign(DataSet.prototype, {
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view: DataSet.prototype.createView,
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});
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view_1.View.DataSet = DataSet;
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