409 lines
11 KiB
JavaScript
409 lines
11 KiB
JavaScript
import * as zrUtil from 'zrender/src/core/util';
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import zrender from 'zrender';
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import localStore from 'storejs';
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import Painter from './painter';
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import Options from './options';
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import MouseController from './mouseController';
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import deviceState from './constant/deviceState';
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import deviceType from './constant/deviceType';
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import { selectSkinCode } from './config/deviceStyle';
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import { deviceFactory, createBoundingRect, calculateDCenter } from './utils/parser';
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const renderer = 'canvas';
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const devicePixelRatio = 1;
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class Jlmap {
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constructor(opts) {
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// 回调事件
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this.methods = opts.methods;
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// 鼠标事件
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this.events = { __Pan: 'pan', __Zoom: 'zoom', Selected: 'selected', Contextmenu: 'contextmenu', DataZoom: 'dataZoom'};
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// 原始数据
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this.data = {};
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// 皮肤参数
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this.skinCode = '';
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// 皮肤风格
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this.style = this.loadStyle();
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// 设备数据
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this.mapDevice = {};
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// 默认状态
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this.defaultStateDict = this.loadDefaultState();
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this.initMapInstance(opts);
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}
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// 初始化属性有鼠标事件 缩放等
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initMapInstance(opts) {
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const width = opts.dom.clientWidth;
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const height = opts.dom.clientHeight;
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this.$zr = zrender.init(opts.dom, Object.assign({ renderer, devicePixelRatio, width, height }, opts.config));
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this.$options = new Options(Object.assign({ scaleRate: 1, offsetX: 0, offsetY: 0 }, opts.options || {}), (dataZoom) => { this.$mouseController.trigger(this.events.DataZoom, dataZoom); }); // 缩放
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this.$painter = new Painter(this);
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this.$painter.updateZrSize({width: this.$zr.getWidth(), height: this.$zr.getHeight()});
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this.$painter.updateTransform(this.$options);
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this.optionsHandler = this.setOptions.bind(this);
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this.$mouseController = new MouseController(this);
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this.$mouseController.enable();
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this.$mouseController.on(this.events.__Pan, this.optionsHandler);
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this.$mouseController.on(this.events.__Zoom, this.optionsHandler);
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}
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loadStyle(skinCode) {
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return selectSkinCode(skinCode);
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}
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loadDefaultState() {
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const defaultStateDict = {};
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zrUtil.each(Object.keys(deviceState), (type) => {
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defaultStateDict[type] = {};
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zrUtil.each(Object.keys(deviceState[type] || {}), (state) => {
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defaultStateDict[type][state] = deviceState[type][state].Default;
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}, this);
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}, this);
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return defaultStateDict;
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}
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setMap(map, mapDevice) {
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// 保存皮肤类型
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if (map.skinVO) {
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this.skinCode = map.skinVO.code;
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this.$painter.updateTransform({ scaleRate: map.skinVO.scaling, offsetX: map.skinVO.origin.x, offsetY: map.skinVO.origin.y });
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}
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// 保存原始数据
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this.data = map;
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// 解析地图数据
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this.mapDevice = mapDevice;
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// 加载对应皮肤
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this.style = this.loadStyle(this.skinCode);
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// 数据加载完成 回调
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if (this.methods.dataLoaded instanceof Function) { this.methods.dataLoaded(this.mapDevice); }
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// 初次渲染视图
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this.$painter.repaint(this.mapDevice);
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// 视图加载完成 回调
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if (this.methods.viewLoaded instanceof Function) { this.methods.viewLoaded(this.mapDevice); }
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}
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setDefaultState() {
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const list = [];
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Object.values(this.mapDevice).forEach(elem => {
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const code = elem.code;
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const type = elem._type;
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// 列车不需要设置默认状态
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type != deviceType.Train && list.push(Object.assign({ code, _type: type }, this.defaultStateDict[type]));
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});
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this.update(list);
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if (this.methods.stateLoaded instanceof Function) { this.methods.stateLoaded(list); }
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}
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setOptions(opts) {
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const options = this.pullBack(opts);
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this.$options.update(options);
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this.$painter.updateTransform(this.$options);
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if (this.$options.disabled == true) {
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this.$mouseController.disable();
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} else {
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this.$mouseController.enable(opts);
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}
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if (this.methods.optionsUpdate instanceof Function) { this.methods.optionsUpdate(this.$options); }
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}
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setCenter(deviceCode) {
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const device = this.mapDevice[deviceCode];
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if (device && device.instance) {
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var rect = createBoundingRect(device.instance);
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var dcenter = calculateDCenter(rect, { width: this.$zr.getWidth(), height: this.$zr.getHeight() });
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this.setOptions(dcenter);
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}
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}
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setLayerVisible(layer) {
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this.$painter.setLayerVisible(layer);
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}
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setLevelVisible(list) {
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this.$painter.setLevelVisible(list);
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}
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render(list) {
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(list || []).forEach(elem => {
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const code = elem.code;
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const type = elem._type;
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const oDevice = this.mapDevice[code] || deviceFactory(type, elem);
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const nDevice = Object.assign(oDevice || {}, elem);
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this.dataSync(nDevice);
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this.$painter.delete(oDevice);
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if (!elem._dispose) {
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this.mapDevice[code] = nDevice;
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this.$painter.add(nDevice);
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}
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});
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if (this.methods.viewUpdate instanceof Function) { this.methods.viewUpdate(list); }
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}
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// 中间处理
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hookHandle(oDevice, elem) {
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const code = elem.code;
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const type = elem._type;
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// 如果是延时计时，需要保存计数值到全局
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if (type === deviceType.StationCounter) {
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let val = '' + elem.val;
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if (val === '0' || !elem.val) {
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val = elem.val = localStore.get(code) || '0';
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}
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localStore(code, val);
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}
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for (var prop in elem) {
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if (elem[prop] != oDevice[prop]) {
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Object.assign(oDevice, elem);
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return true;
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}
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}
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return false;
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}
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// 后处理
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postHandle(list) {
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list.forEach(elem => {
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const code = elem.code;
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const type = elem._type;
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if (type == deviceType.Switch) {
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const item = this.mapDevice[code];
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if (item) {
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const sectionA = this.mapDevice[item.sectionACode];
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const sectionB = this.mapDevice[item.sectionBCode];
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const sectionC = this.mapDevice[item.sectionCCode];
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if (sectionA && sectionB && sectionC) {
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item['cutOff'] = sectionA.cutOff;
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item['sectionAstatus'] = sectionA.status;
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item['sectionBstatus'] = sectionB.status;
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item['sectionCstatus'] = sectionC.status;
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}
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}
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this.$painter.update(item);
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}
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if (type == deviceType.Section) {
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const item = this.mapDevice[code];
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if (item) {
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const swch = this.mapDevice[item.relSwitchCode];
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if (swch) {
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const sectionA = this.mapDevice[swch.sectionACode];
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const sectionB = this.mapDevice[swch.sectionBCode];
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const sectionC = this.mapDevice[swch.sectionCCode];
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if (sectionA && sectionB && sectionC) {
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swch['cutOff'] = sectionA.cutOff;
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swch['sectionAstatus'] = sectionA.status;
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swch['sectionBstatus'] = sectionB.status;
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swch['sectionCstatus'] = sectionC.status;
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}
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this.$painter.update(swch);
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}
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}
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}
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});
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}
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update(list) {
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(list || []).forEach(elem => {
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const code = elem.code;
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const type = elem._type;
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const oDevice = this.mapDevice[code] || deviceFactory(type, elem);
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if (elem.dispose) {
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this.$painter.delete(oDevice);
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} else {
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if (this.hookHandle(oDevice, elem)) {
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this.$painter.update(oDevice);
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}
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}
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});
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// 状态后处理
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this.postHandle(list || []);
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if (this.methods.stateUpdate instanceof Function) { this.methods.stateUpdate(list); }
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}
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pullBack(payload) {
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if (payload.type === 'zoom') {
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const zrWidth = this.$zr.getWidth();
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const zrHeight = this.$zr.getHeight();
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const originX = payload.originX || zrWidth / 2;
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const originY = payload.originY || zrHeight / 2;
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const x = (this.$options.offsetX + originX) / this.$options.scaleRate;
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const y = (this.$options.offsetY + originY) / this.$options.scaleRate;
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const newScaleRate = this.$options.getScaleRate(payload.scale);
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const dx = originX - (x * newScaleRate - this.$options.offsetX);
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const dy = originY - (y * newScaleRate - this.$options.offsetY);
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payload.dx = dx;
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payload.dy = dy;
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}
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return payload || {};
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}
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dataSync(model) {
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var prop = null;
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var type = model._type;
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var code = model.code;
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switch (type) {
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case deviceType.Link: prop = 'linkList'; break;
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case deviceType.Section: prop = 'sectionList'; break;
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case deviceType.Switch: prop = 'switchList'; break;
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case deviceType.Signal: prop = 'signalList'; break;
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case deviceType.Station: prop = 'stationList'; break;
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case deviceType.StationStand: prop = 'stationStandList'; break;
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case deviceType.StationControl: prop = 'stationControlList'; break;
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case deviceType.StationCounter: prop = 'stationCounterList'; break;
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case deviceType.ZcControl: prop = 'zcControlList'; break;
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case deviceType.StationDelayUnlock: prop = 'stationDelayUnlockList'; break;
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case deviceType.LcControl: prop = 'lcControlList'; break;
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case deviceType.LimitControl: prop = 'tempSpeedLimitList'; break;
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case deviceType.ImageControl: prop = 'imageControl'; break;
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case deviceType.Train: prop = 'trainList'; break;
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case deviceType.TrainWindow: prop = 'trainWindowList'; break;
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case deviceType.Line: prop = 'lineList'; break;
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case deviceType.Text: prop = 'textList'; break;
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}
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const list = this.data[prop] || [];
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const idex = list.findIndex(elem => { return elem.code == code; });
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if (list) {
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if (model._dispose) {
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idex >= 0 && list.splice(idex, 1);
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} else {
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const elem = list[idex];
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if (elem) {
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Object.keys(elem).forEach(key => {
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elem[key] = model[key];
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});
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} else {
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list.push(Object.assign({}, model));
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}
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}
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}
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}
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getZr() {
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return this.$zr;
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}
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getEvents() {
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return this.events;
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}
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getDeviceByCode(code) {
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return this.mapDevice[code];
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}
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getShapeTipPoint(opts) {
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const device = this.mapDevice[opts.code];
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if (device) {
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return this.$painter.getShapeTipPoint(device.instance, opts);
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}
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}
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resize(opt) {
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this.$zr.resize(opt);
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this.$painter.updateZrSize(opt);
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}
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refresh() {
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this.$painter.refresh();
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}
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clearTrainView() {
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this.$painter.clearLevel(deviceType.Train);
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zrUtil.each(Object.values(this.mapDevice), device => {
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if (device._type == deviceType.Train) {
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device.instance = null;
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}
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});
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}
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clear() {
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this.skinCode = '';
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this.style = {};
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this.mapDevice = {};
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this.$painter.clear();
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}
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dispose() {
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this.off(this.events.Pan, this.optionsHandler);
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this.off(this.events.Zoom, this.optionsHandler);
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this.clear();
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this.$mouseController.dispose();
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this.$zr && zrender.dispose(this.$zr);
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this.$painter.dispose();
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}
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on(eventname, cb, context) {
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const idx = Object.values(this.events).indexOf(eventname);
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if (idx >= 0) {
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switch (eventname) {
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case this.events.Selected:
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this.$mouseController.on(this.events.Selected, cb, context);
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break;
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case this.events.Contextmenu:
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this.$mouseController.on(this.events.Contextmenu, cb, context);
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break;
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case this.events.DataZoom:
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this.$mouseController.on(this.events.DataZoom, cb, context);
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break;
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}
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}
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}
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off(eventname, cb) {
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const idx = Object.values(this.events).indexOf(eventname);
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if (idx >= 0) {
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switch (eventname) {
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case this.events.Selected:
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this.$mouseController.off(this.events.Selected, cb);
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break;
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case this.events.Contextmenu:
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this.$mouseController.off(this.events.Contextmenu, cb);
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break;
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case this.events.DataZoom:
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this.$mouseController.off(this.events.DataZoom, cb);
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break;
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}
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}
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}
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}
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export default Jlmap;
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