/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ import * as axisPointerModelHelper from '../axisPointer/modelHelper'; import ComponentView from '../../view/Component'; import { AxisBaseModel } from '../../coord/AxisBaseModel'; import GlobalModel from '../../model/Global'; import ExtensionAPI from '../../core/ExtensionAPI'; import { Payload, Dictionary } from '../../util/types'; import type BaseAxisPointer from '../axisPointer/BaseAxisPointer'; const axisPointerClazz: Dictionary = {}; interface AxisPointerConstructor { new(): BaseAxisPointer } /** * Base class of AxisView. */ class AxisView extends ComponentView { static type = 'axis'; type = AxisView.type; /** * @private */ private _axisPointer: BaseAxisPointer; /** * @protected */ axisPointerClass: string; /** * @override */ render(axisModel: AxisBaseModel, ecModel: GlobalModel, api: ExtensionAPI, payload: Payload) { // FIXME // This process should proformed after coordinate systems updated // (axis scale updated), and should be performed each time update. // So put it here temporarily, although it is not appropriate to // put a model-writing procedure in `view`. this.axisPointerClass && axisPointerModelHelper.fixValue(axisModel); super.render.apply(this, arguments as any); this._doUpdateAxisPointerClass(axisModel, api, true); } /** * Action handler. */ updateAxisPointer( axisModel: AxisBaseModel, ecModel: GlobalModel, api: ExtensionAPI, payload: Payload ) { this._doUpdateAxisPointerClass(axisModel, api, false); } /** * @override */ remove(ecModel: GlobalModel, api: ExtensionAPI) { const axisPointer = this._axisPointer; axisPointer && axisPointer.remove(api); } /** * @override */ dispose(ecModel: GlobalModel, api: ExtensionAPI) { this._disposeAxisPointer(api); super.dispose.apply(this, arguments as any); } private _doUpdateAxisPointerClass(axisModel: AxisBaseModel, api: ExtensionAPI, forceRender?: boolean) { const Clazz = AxisView.getAxisPointerClass(this.axisPointerClass); if (!Clazz) { return; } const axisPointerModel = axisPointerModelHelper.getAxisPointerModel(axisModel); axisPointerModel ? (this._axisPointer || (this._axisPointer = new Clazz())) .render(axisModel, axisPointerModel, api, forceRender) : this._disposeAxisPointer(api); } private _disposeAxisPointer(api: ExtensionAPI) { this._axisPointer && this._axisPointer.dispose(api); this._axisPointer = null; } static registerAxisPointerClass(type: string, clazz: AxisPointerConstructor) { if (__DEV__) { if (axisPointerClazz[type]) { throw new Error('axisPointer ' + type + ' exists'); } } axisPointerClazz[type] = clazz; }; static getAxisPointerClass(type: string) { return type && axisPointerClazz[type]; }; } export default AxisView;