142 lines
4.0 KiB
Java
142 lines
4.0 KiB
Java
import { each, get } from '@antv/util';
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import { getComponents, isInBox } from './action/util';
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/**
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* 交互的上下文
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*/
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var Context = /** @class */ (function () {
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function Context(view) {
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/** 当前所有的 Action */
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this.actions = [];
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/** 当前事件对象 */
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this.event = null;
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this.cacheMap = {};
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this.view = view;
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}
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/**
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* 缓存信息
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* @param params 缓存的字段
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* - 如果一个字段则获取缓存
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* - 两个字段则设置缓存
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*/
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Context.prototype.cache = function () {
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var params = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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params[_i] = arguments[_i];
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}
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if (params.length === 1) {
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return this.cacheMap[params[0]];
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}
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else if (params.length === 2) {
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this.cacheMap[params[0]] = params[1];
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}
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};
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/**
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* 获取 Action
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* @param name Action 的名称
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*/
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Context.prototype.getAction = function (name) {
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return this.actions.find(function (action) { return action.name === name; });
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};
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/**
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* 获取 Action
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* @param action Action 对象
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*/
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Context.prototype.addAction = function (action) {
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this.actions.push(action);
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};
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/**
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* 移除 Action
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* @param action Action 对象
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*/
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Context.prototype.removeAction = function (action) {
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var actions = this.actions;
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var index = this.actions.indexOf(action);
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if (index >= 0) {
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actions.splice(index, 1);
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}
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};
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/**
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* 获取当前的点
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*/
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Context.prototype.getCurrentPoint = function () {
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var event = this.event;
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if (event) {
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if (event.target instanceof HTMLElement) {
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var canvas = this.view.getCanvas();
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var point = canvas.getPointByClient(event.clientX, event.clientY);
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return point;
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}
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else {
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return {
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x: event.x,
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y: event.y,
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};
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}
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}
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return null;
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};
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/**
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* 获取当前 shape
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* @returns current shape
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*/
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Context.prototype.getCurrentShape = function () {
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return get(this.event, ['gEvent', 'shape']);
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};
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/**
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* 当前的触发是否在 View 内
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*/
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Context.prototype.isInPlot = function () {
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var point = this.getCurrentPoint();
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if (point) {
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return this.view.isPointInPlot(point);
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}
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return false;
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};
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/**
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* 是否在指定的图形内
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* @param name shape 的 name
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*/
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Context.prototype.isInShape = function (name) {
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var shape = this.getCurrentShape(); // 不再考虑在 shape 的 parent 内的情况
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if (shape) {
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return shape.get('name') === name;
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}
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return false;
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};
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/**
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* 当前的触发是组件内部
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* @param name 组件名，可以为空
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*/
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Context.prototype.isInComponent = function (name) {
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var components = getComponents(this.view);
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var point = this.getCurrentPoint();
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if (point) {
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return !!components.find(function (component) {
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var bbox = component.getBBox();
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if (name) {
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return component.get('name') === name && isInBox(bbox, point);
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}
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else {
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return isInBox(bbox, point);
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}
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});
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}
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return false;
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};
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/**
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* 销毁
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*/
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Context.prototype.destroy = function () {
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this.view = null;
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this.event = null;
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// 先销毁 action 再清空，一边遍历，一边删除，所以数组需要更新引用
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each(this.actions.slice(), function (action) {
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action.destroy();
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});
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this.actions = null;
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this.cacheMap = null;
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};
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return Context;
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}());
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export default Context;
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//# sourceMappingURL=context.js.map |