140 lines
3.8 KiB
JavaScript
140 lines
3.8 KiB
JavaScript
var arrow = {
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isActivate: false,
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drawArr: [],
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handler: null,
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viewer: null,
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init: function(viewer) {
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if (!this.isActivate) {
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this.isActivate = true;
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this.viewer = viewer;
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this.bindEdit();
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}
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},
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disable: function() {
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if (this.isActivate) {
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this.isActivate = false;
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for (var i = 0; i < this.drawArr.length; i++) {
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this.drawArr[i].disable();
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}
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this.drawArr = [];
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if (this.handler) {
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this.handler.destroy();
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this.handler = null;
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}
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this.viewer = null;
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}
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},
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draw: function(type) {
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switch (type) {
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case "straightArrow":
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var straightArrow = new StraightArrow(viewer);
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straightArrow.startDraw();
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this.drawArr.push(straightArrow);
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break;
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case "attackArrow":
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var attackArrow = new AttackArrow(viewer);
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attackArrow.startDraw();
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this.drawArr.push(attackArrow);
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break;
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case "pincerArrow":
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var pincerArrow = new PincerArrow(viewer);
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pincerArrow.startDraw();
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this.drawArr.push(pincerArrow);
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default:
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break;
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}
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},
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saveData: function() { //保存用户数据
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var jsonData = {
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straightArrowData: [],
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attackArrowData: [],
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pincerArrowData: []
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}
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for (var step = 0; step < this.drawArr.length; step++) {
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var item = this.drawArr[step];
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var positions = item.getLnglats();
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if (item.type == "StraightArrow") {
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jsonData.straightArrowData.push(positions);
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} else if (item.type == "AttackArrow") {
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jsonData.attackArrowData.push(positions);
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} else {
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jsonData.pincerArrowData.push(positions);
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}
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}
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console.log("保存的数据：" + JSON.stringify(jsonData));
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},
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showData: function(jsonData) { //展示用户保存的数据
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if(!jsonData) return ;
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var straightArrowArr = jsonData.straightArrowData;
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var attackArrowArr = jsonData.attackArrowData;
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var pincerArrowArr = jsonData.pincerArrowData;
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//展示直线箭头
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for(var i=0;i<straightArrowArr.length;i++){
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var item = straightArrowArr[i];
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var straightArrow = new StraightArrow(viewer);
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straightArrow.createByData(item);
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this.drawArr.push(straightArrow);
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}
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//展示攻击箭头
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for(var j=0;j<attackArrowArr.length;j++){
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var item = attackArrowArr[j];
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var attackArrow = new AttackArrow(viewer);
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attackArrow.createByData(item);
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this.drawArr.push(attackArrow);
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}
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//展示钳击箭头
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for(var z=0;z<pincerArrowArr.length;z++){
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var item = pincerArrowArr[z];
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var pincerArrow = new PincerArrow(viewer);
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pincerArrow.createByData(item);
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this.drawArr.push(pincerArrow);
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}
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},
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nowArrowObj: null,
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bindEdit: function() {
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var $this = this;
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this.handler = new Cesium.ScreenSpaceEventHandler(this.viewer.scene.canvas);
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this.handler.setInputAction(function(evt) { //单机开始绘制
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var pick = $this.viewer.scene.pick(evt.position);
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if (Cesium.defined(pick) && pick.id) {
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if ($this.nowArrowObj) {
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if ($this.nowArrowObj.state != -1) {
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console.log("上一步操作未结束，请继续完成上一步！");
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return;
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}
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}
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for (var i = 0; i < $this.drawArr.length; i++) {
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if (pick.id.objId == $this.drawArr[i].objId) {
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$this.nowArrowObj = $this.drawArr[i];
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$this.drawArr[i].startModify();
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break;
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}
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}
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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},
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clearOne: function() {
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var $this = this;
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this.handler.setInputAction(function(evt) { //单机开始绘制
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var pick = viewer.scene.pick(evt.position);
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if (Cesium.defined(pick) && pick.id) {
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for (var i = 0; i < $this.drawArr.length; i++) {
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if (pick.id.objId == $this.drawArr[i].objId) {
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$this.drawArr[i].clear();
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$this.drawArr.splice(i, 1);
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break;
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}
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}
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$this.handler.destroy();
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$this.bindEdit();
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}
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}, Cesium.ScreenSpaceEventType.LEFT_CLICK);
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},
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clearAll:function(){
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for (var i = 0; i < this.drawArr.length; i++) {
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this.drawArr[i].clear();
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}
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}
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}
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