rt-sim-training-client/src/jmapNew/mouseController.js
2020-03-12 18:42:38 +08:00

321 lines
11 KiB
JavaScript

import deviceType from './constant/deviceType';
import Eventful from 'zrender/src/mixin/Eventful';
import * as eventTool from 'zrender/src/core/event';
import store from '@/store';
class EventModel {
constructor(e) {
this.clientX = e.event.clientX;
this.clientY = e.event.clientY;
let view = e.target;
while (view) {
if (Object.values(deviceType).includes(view._type)) {
this.deviceCode = view._code;
this.deviceType = view._type;
this.eventTarget = view;
break;
}
if (view._subType) {
this.subType = view._subType;
}
if (view._val) {
this.val = view._val;
}
view = view.parent;
}
}
}
class MouseController extends Eventful {
constructor(jmap) {
super();
this.$jmap = jmap;
this.deviceList = [];
this.rightClickPoint = {
x: 0,
y: 0
}; // 右键点击坐标
this.$zr = jmap.getZr();
this.events = jmap.getEvents();
this.initHandler(this.$zr);
}
initHandler(zr) {
if (zr) {
zr.on('click', this.click, this);
zr.on('contextmenu', this.contextmenu, this);
zr.on('mousemove', this.moveEvent, this);
this.enable = function (opts) {
opts = opts || {};
this._moveOnMouseMove = opts.moveOnMouseMove || true;
this._zoomOnMouseWheel = opts.zoomOnMouseWheel || false;
this._preventDefaultMouseMove = opts.preventDefaultMouseMove || true;
this._previewOrMapDraw = opts.previewOrMapDraw || false;
this.disable();
zr.on('mousedown', this.mousedown, this);
zr.on('mousemove', this.mousemove, this);
zr.on('mouseup', this.mouseup, this);
zr.on('mousewheel', this.mousewheel, this);
};
this.disable = function () {
zr.off('mousedown', this.mousedown);
zr.off('mousemove', this.mousemove);
zr.off('mouseup', this.mouseup);
zr.off('mousewheel', this.mousewheel);
};
this.dispose = function () {
zr.off('click', this.click);
zr.off('contextmenu', this.contextmenu);
zr.off('mousemove', this.moveEvent);
this.disable();
};
this.isDragging = function () { return this._dragging; };
}
}
mousedown(e) {
// if (eventTool.notLeftMouse(e)) {
// return;
// }
if (e.which == 1 || e.which == 3) {
var x = e.offsetX;
var y = e.offsetY;
this._x = x;
this._y = y;
this._dragging = true;
if (e.which == 3 && this._zoomOnMouseWheel) {
this.handleMouseDownRight(e);
} else if (e.which == 1 && this._zoomOnMouseWheel) {
this.handleMouseDownLeft(e);
}
}
}
mousemove(e) {
// if (eventTool.notLeftMouse(e) ||
// !this._moveOnMouseMove ||
// !this._dragging
// ) {
// return;
// }
const oldX = this._x;
const oldY = this._y;
const dx = e.offsetX - oldX;
const dy = e.offsetY - oldY;
this._x = e.offsetX;
this._y = e.offsetY;
if (e.which == 1) {
this._preventDefaultMouseMove && eventTool.stop(e.event);
this.trigger(this.events.__Pan, { dx, dy, oldX, oldY, newX: this._x, newY: this._y });
} else if (e.which === 3 && this._zoomOnMouseWheel && this._previewOrMapDraw) {
this.handleMouseMoveRight({x: e.offsetX, y: e.offsetY});
}
}
mouseup(e) {
if (!eventTool.notLeftMouse(e)) {
this._dragging = false;
}
if (this._zoomOnMouseWheel && this.$jmap.mapDevice['check_box'] && this._previewOrMapDraw ) {
this.eventTarget = this.$jmap.mapDevice['check_box'].instance;
this.handleBoundingRect(this.eventTarget);
var em = this.checkEvent(e);
this.trigger(this.events.Selected, em);
}
}
mousewheel(e) {
const shouldZoom = this._zoomOnMouseWheel;
const wheelDelta = e.wheelDelta;
const originX = e.offsetX;
const originY = e.offsetY;
if (wheelDelta === 0 || !shouldZoom) {
return;
}
if (shouldZoom) {
eventTool.stop(e.event);
let scale = 1;
if (wheelDelta > 0) {
scale = 1;
} else if (wheelDelta < 0) {
scale = -1;
}
this.trigger(this.events.__Zoom, {type: this.events.__Zoom, scale, originX, originY });
}
}
click(e) {
var em = this.checkEvent(e);
this.trigger(this.events.Selected, em);
}
contextmenu(e) {
var em = this.checkEvent(e);
this.trigger(this.events.Contextmenu, em);
}
moveEvent(e) {
const newEm = new EventModel(e);
const trainDetails = store.state.map.trainDetails;
if (trainDetails) {
if (newEm.deviceType != deviceType.Train || trainDetails.code != newEm.deviceCode) {
var instance = (this.$jmap.getDeviceByCode(trainDetails.code) || {} ).instance;
instance && instance.removeTrainDetail && instance.removeTrainDetail();
}
}
}
checkEvent(e) {
var oldEm = new EventModel(this.$zr.curEvent || { event: {} });
var newEm = new EventModel(e);
if ([1, 3].includes(e.which)) {
// 查找之前和当前鼠标选中的实例
var oldDevice = this.$jmap.getDeviceByCode(oldEm.deviceCode) || {};
var newDevice = this.$jmap.getDeviceByCode(newEm.deviceCode) || {};
var oldInstance = (this.$jmap.getDeviceByCode(oldEm.deviceCode) || {}).instance || {};
var newInstance = (this.$jmap.getDeviceByCode(newEm.deviceCode) || {}).instance || {};
// 如果之前和当前选中的实例不一致
if (oldInstance != newInstance) {
// 如果实例有取消选择函数并且被点击,则执行取消选中函数
if (oldInstance.mouseEvent && oldInstance.mouseEvent.mouseout) {
// 视图数据设置点击标志,同步执行
oldDevice['down'] = false;
oldInstance.mouseEvent['mouseout'](e);
}
// 如果实例有选中函数并且被点击,则执行选中函数
if (e.which == 3 && newInstance.mouseEvent && newInstance.mouseEvent.mouseover) {
newDevice['down'] = true;
newInstance.mouseEvent['mouseover'](e);
}
}
// 保存当前实例到全局
this.$zr.curEvent = e;
}
return newEm;
}
// 处理鼠标右键按下事件
handleMouseDownRight(e) {
this.rightClickPoint.x = e.offsetX;
this.rightClickPoint.y = e.offsetY;
}
// 处理鼠标左键按下事件
handleMouseDownLeft(e) {
const em = new EventModel(e);
this.eventTarget = em.eventTarget;
if (this.eventTarget && this.eventTarget._type === deviceType.CheckBox) {
this.handleBoundingRect(this.eventTarget);
} else {
this.$jmap.deleteCheckBox('check_box');
this.eventTarget = '';
this.deviceList = [];
}
}
// 通过包围盒筛选选中区域的元素
handleBoundingRect(eventTarget) {
this.deviceList = [];
const boundingRect = this.createFakeBoundingRect(eventTarget);
const deviceList = Object.values(this.$jmap.mapDevice);
const includeDeviceList = [];
deviceList.forEach( item =>{
if (item.instance && item.instance._type == deviceType.Section) {
let deviceBoundingRect = {};
if (item.type == '04') {
deviceBoundingRect = {
x1: item.namePosition.x,
y1: item.namePosition.y,
x2: item.namePosition.x,
y2: item.namePosition.y
};
} else {
deviceBoundingRect = {
x1: item.points[0].x,
y1: item.points[0].y,
x2: item.points[item.points.length - 1].x,
y2: item.points[item.points.length - 1].y
};
}
if (this.whetherInclude(boundingRect, deviceBoundingRect )) {
includeDeviceList.push(item);
}
}
if (item.instance && item.instance._type == deviceType.Switch) {
const deviceBoundingRect = {
x1: item.intersection.x,
y1: item.intersection.y,
x2: item.intersection.x,
y2: item.intersection.y
};
if (this.whetherInclude(boundingRect, deviceBoundingRect )) {
includeDeviceList.push(item);
}
}
if (item.instance && item.instance._type == deviceType.Signal) {
const deviceBoundingRect = {
x1: item.position.x,
y1: item.position.y,
x2: item.position.x,
y2: item.position.y
};
if (this.whetherInclude(boundingRect, deviceBoundingRect )) {
includeDeviceList.push(item);
}
}
});
this.deviceList = includeDeviceList;
store.dispatch('map/setSeclectDeviceList', this.deviceList);
}
// 生成包围盒对象坐标
createFakeBoundingRect(instance) {
return {
x1: instance.model.point.x,
y1: instance.model.point.y,
x2: instance.model.point.x + instance.model.width,
y2: instance.model.point.y + instance.model.height
};
}
// 判断元素包围盒是否在选中区域
whetherInclude(boundingRect1, boundingRect2) {
return boundingRect1.x1 <= boundingRect2.x1 && boundingRect1.y1 <= boundingRect2.y1 && boundingRect1.x2 >= boundingRect2.x2 && boundingRect1.y2 >= boundingRect2.y2;
}
// 右键拖动区域大小
handleMouseMoveRight(point2) {
const point1 = this.rightClickPoint;
const originX = Math.min(point1.x, point2.x);
const originY = Math.min(point1.y, point2.y);
const dx = originX + this.$jmap.$options.offsetX;
const dy = originY + this.$jmap.$options.offsetY;
const x = dx / this.$jmap.$options.scaleRate;
const y = dy / this.$jmap.$options.scaleRate;
const width = Math.abs(point1.x - point2.x) / this.$jmap.$options.scaleRate;
const height = Math.abs(point1.y - point2.y) / this.$jmap.$options.scaleRate;
this.$jmap.renderCheckBox({code: 'check_box', _type: 'CheckBox', point: {x: x, y: y}, width: width, height: height });
}
}
export default MouseController;