57 lines
1.4 KiB
Java
57 lines
1.4 KiB
Java
import { __extends } from "tslib";
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import EE from '@antv/event-emitter';
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/**
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* G2 Chart、View、Geometry 以及 Element 等的基类，提供事件以及一些通用的方法。
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*/
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var Base = /** @class */ (function (_super) {
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__extends(Base, _super);
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function Base(cfg) {
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var _this = _super.call(this) || this;
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/** 标识对象是否已销毁 */
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_this.destroyed = false;
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var _a = cfg.visible, visible = _a === void 0 ? true : _a;
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_this.visible = visible;
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return _this;
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}
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/**
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* 显示。
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*/
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Base.prototype.show = function () {
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var visible = this.visible;
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if (!visible) {
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this.visible = true;
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this.changeVisible(true);
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}
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};
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/**
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* 隐藏。
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*/
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Base.prototype.hide = function () {
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var visible = this.visible;
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if (visible) {
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this.visible = false;
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this.changeVisible(false);
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}
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};
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/**
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* 销毁。
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*/
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Base.prototype.destroy = function () {
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this.off();
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this.destroyed = true;
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};
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/**
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* 显示或者隐藏。
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* @param visible
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* @returns
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*/
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Base.prototype.changeVisible = function (visible) {
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if (this.visible === visible) {
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return;
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}
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this.visible = visible;
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};
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return Base;
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}(EE));
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export default Base;
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//# sourceMappingURL=base.js.map |