@i3yun/viewergallery/src/EEPTool/index.js

BIM轻量化平台是一个互联网三维可视化解决方案。包括BIM轻量化引擎和业务组件。

//创建三维视图
var viewerPromise = SippreepViewer.CreateViewer(document.getElementById("viewer1"));


//场景配置
Promise.all([viewerPromise]).then(([viewer]) => {
    document.getElementById("updateScene").onclick = () => {
        var host = document.getElementById("DATABASE").value;
        var sceneID = document.getElementById("SCENEID").value;
        var sceneState = document.getElementById("sceneState");
        sceneState.innerHTML = "正在加载……";
        /**
         * @type { Promise<Sippreep.Viewing.Model> }
         */
        var modelPromise = new Promise((s, f) => {
            if (viewer.model) {
                viewer.unloadModel(viewer.model);
            }
            viewer.loadModel(`${host}/api/UserSpace/ViewFile/${sceneID}?path=/3d.svf`, null, s, f);
        });
        modelPromise.then((model) => {
            return new Promise((s, f) => model.getExternalIdMapping(s, f));
        }).then(e => {
            var objCount = 0;
            for (var key in e) {
                objCount++;
            }
            sceneState.innerHTML = `${objCount}个对象`;
        }).catch((e) => {
            sceneState.innerHTML = JSON.stringify(e);
        });
    };
    document.getElementById("updateScene").onclick();
});
/**
 * @type {Promise<Sippreep.Extensions.EEPTools.EEPToolExtension>}
 */
var toolPromise = viewerPromise.then(v => v.loadExtension("Sippreep.Extensions.EEPTools.EEPToolExtension"));
Promise.all([viewerPromise, toolPromise]).then(([viewer, eeptool]) => {
    _eeptool = eeptool;
    var modeBTs = document.getElementsByClassName("ToolMode");
    for (let i = 0; i < modeBTs.length; i++) {
        modeBTs[i].onclick = (e) => {
            eeptool.set3DCommand(parseInt(e.target.getAttribute("data")));
        }
    }

    //订阅视图选中项改变事件
    viewer.addEventListener(Sippreep.Viewing.SELECTION_CHANGED_EVENT, () => {
        var elements = viewer.getSelection();
        document.getElementById("MySelectionValue").innerHTML = elements.length == 1 ? ("ID:" + elements[0]) : (elements.length + "项");
    });
    viewer.addEventListener(Sippreep.Viewing.MODEL_ADDED_EVENT, () => {
        _eeptool.set3DCommand(Sippreep.Extensions.EEPTools.EEPToolCommand.ROTATE);
    });
});