(function (window, mars3d) {
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//创建widget类，需要继承BaseWidget
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class MyWidget extends mars3d.widget.BaseWidget {
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//外部资源配置
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get resources() {
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return ["view.css"];
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}
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//弹窗配置
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get view() {
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return {
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type: "append",
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url: "view.html",
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parent: "body",
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};
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}
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//每个窗口创建完成后调用
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winCreateOK(opt, result) {
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var that = this;
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$("#btn_streetscapeBar_close").click(function () {
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that.disableBase();
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});
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}
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//激活插件
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activate() {
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var point = this.config.point || { lat: 31.833789, lng: 117.183995 };
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this.updateMarker(point);
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var pointBd = this.getBaiduPoint(point);
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var inhtml = `<div id="streetscapeView" style="position:absolute;right:0px;top:0px;border:1px solid #ccc;top: 0px;bottom: 0px;width:50%;overflow: hidden;">
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<iframe id="streetscape" name="streetscape" style="width:100%;height:100%;overflow:hidden;margin:0;"
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scrolling="no" frameborder="0" src="${this.path}streetscape.html?lng=${pointBd.lng}&lat=${pointBd.lat}"></iframe>
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</div>`;
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$("body").append(inhtml);
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$("#centerDiv").css({
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position: "",
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height: "100%",
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width: "50%",
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});
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$(".no-print-view").hide();
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//单击地图事件
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this.map.on(mars3d.EventType.click, this.onMapClick, this);
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$(".cesium-viewer").css("cursor", "crosshair");
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}
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//释放插件
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disable() {
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//释放单击地图事件
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this.map.off(mars3d.EventType.click, this.onMapClick, this);
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$(".cesium-viewer").css("cursor", "");
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if (this.graphic) {
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this.map.graphicLayer.removeGraphic(this.graphic, true);
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this.graphic = null;
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}
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$("#streetscapeView").remove();
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$("#centerDiv").css({
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position: "",
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height: "100%",
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width: "100%",
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});
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$(".no-print-view").show();
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}
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onMapClick(event) {
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var cartesian = event.cartesian;
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if (cartesian) {
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var point = mars3d.LatLngPoint.fromCartesian(cartesian);
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this.updateMarker(point);
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//点击地图的事件,触发街景改变
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var pointBd = this.getBaiduPoint(point);
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var streetscapeFrame = document.getElementById("streetscape");
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if (streetscapeFrame && streetscapeFrame.contentWindow.setPosition) {
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streetscapeFrame.contentWindow.setPosition(pointBd); //根据经纬度坐标展示全景图
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}
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}
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}
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getBaiduPoint(point) {
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let pointbd = mars3d.PointTrans.wgs2bd([point.lng, point.lat]);
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return { lng: pointbd[0], lat: pointbd[1] };
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}
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updateMarker(position) {
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if (this.graphic) {
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this.graphic.position = position;
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} else {
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this.graphic = new mars3d.graphic.BillboardEntity({
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position: position,
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style: {
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image: this.path + "img/streetimg.png",
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scale: 1,
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horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
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verticalOrigin: Cesium.VerticalOrigin.BOTTOM,
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clampToGround: true,
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},
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});
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this.map.graphicLayer.addGraphic(this.graphic);
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}
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this.map.flyToGraphic(this.graphic, { radius: 800 });
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}
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}
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//注册到widget管理器中。
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window.streetscapeWidget = mars3d.widget.bindClass(MyWidget);
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//每个widet之间都是直接引入到index.html中，会存在彼此命名冲突，所以闭包处理下。
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})(window, mars3d);
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