570 lines
16 KiB
JavaScript
570 lines
16 KiB
JavaScript
ExtensionInterface = function (app)
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{
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this.app = app;
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};
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ExtensionInterface.prototype.GetButtonsDiv = function ()
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{
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return this.app.extensionButtons.GetButtonsDiv ();
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};
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ExtensionInterface.prototype.GetModelJson = function ()
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{
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return this.app.viewer.GetJsonData ();
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};
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ImporterApp = function ()
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{
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this.viewer = null;
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this.fileNames = null;
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this.inGenerate = false;
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this.extensions = [];
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this.importerButtons = null;
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this.extensionButtons = null;
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this.dialog = null;
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this.readyForTest = null;
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};
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ImporterApp.prototype.Init = function ()
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{
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if (!JSM.IsWebGLEnabled () || !JSM.IsFileApiEnabled ()) {
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while (document.body.lastChild) {
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document.body.removeChild (document.body.lastChild);
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}
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var div = $('<div>').addClass ('nosupport').appendTo ($('body'));
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div.html ([
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'<div id="nosupport">',
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this.GetWelcomeText (),
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'<div class="nosupporterror">You need a browser which supports the following technologies: WebGL, WebGLRenderingContext, File, FileReader, FileList, Blob, URL.</div>',
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'</div>'
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].join (''));
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return;
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}
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var myThis = this;
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var top = document.getElementById ('top');
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this.importerButtons = new ImporterButtons (top);
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this.importerButtons.AddLogo ('Online 3D Viewer <span class="version">v 0.5.1</span>', function () { myThis.WelcomeDialog (); });
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this.importerButtons.AddButton ('images/openfile.png', 'Open File', function () { myThis.OpenFile (); });
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this.importerButtons.AddButton ('images/fitinwindow.png', 'Fit In Window', function () { myThis.FitInWindow (); });
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this.importerButtons.AddToggleButton ('images/fixup.png', 'images/fixupgray.png', 'Enable/Disable Fixed Up Vector', function () { myThis.SetFixUp (); });
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this.importerButtons.AddButton ('images/top.png', 'Set Up Vector (Z)', function () { myThis.SetNamedView ('z'); });
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this.importerButtons.AddButton ('images/bottom.png', 'Set Up Vector (-Z)', function () { myThis.SetNamedView ('-z'); });
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this.importerButtons.AddButton ('images/front.png', 'Set Up Vector (Y)', function () { myThis.SetNamedView ('y'); });
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this.importerButtons.AddButton ('images/back.png', 'Set Up Vector (-Y)', function () { myThis.SetNamedView ('-y'); });
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this.importerButtons.AddButton ('images/left.png', 'Set Up Vector (X)', function () { myThis.SetNamedView ('x'); });
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this.importerButtons.AddButton ('images/right.png', 'Set Up Vector (-X)', function () { myThis.SetNamedView ('-x'); });
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this.extensionButtons = new ExtensionButtons (top);
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this.dialog = new FloatingDialog ();
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window.addEventListener ('resize', this.Resize.bind (this), false);
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this.Resize ();
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this.viewer = new ImporterViewer ();
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this.viewer.Init ('example');
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window.addEventListener ('dragover', this.DragOver.bind (this), false);
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window.addEventListener ('drop', this.Drop.bind (this), false);
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var fileInput = document.getElementById ('file');
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fileInput.addEventListener ('change', this.FileSelected.bind (this), false);
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var testMode = this.InitTestMode ();
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var hasHashModel = false;
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if (!testMode) {
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window.onhashchange = this.LoadFilesFromHash.bind (this);
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hasHashModel = this.LoadFilesFromHash ();
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}
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if (!hasHashModel) {
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this.WelcomeDialog ();
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}
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};
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ImporterApp.prototype.ClearReadyForTest = function ()
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{
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if (this.readyForTest !== null) {
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this.readyForTest.remove ();
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this.readyForTest = null;
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}
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};
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ImporterApp.prototype.SetReadyForTest = function ()
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{
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this.readyForTest = $('<div>').attr ('id', 'readyfortest').hide ().appendTo ($('body'));
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};
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ImporterApp.prototype.AddExtension = function (extension)
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{
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if (!extension.IsEnabled ()) {
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return;
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}
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var extInterface = new ExtensionInterface (this);
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extension.Init (extInterface);
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};
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ImporterApp.prototype.WelcomeDialog = function ()
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{
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var dialogText = [
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'<div class="importerdialog">',
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this.GetWelcomeText (),
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'</div>',
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].join ('');
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this.dialog.Open ({
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title : 'Welcome',
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text : dialogText,
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buttons : [
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{
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text : 'ok',
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callback : function (dialog) {
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dialog.Close ();
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}
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}
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]
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});
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};
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ImporterApp.prototype.GetWelcomeText = function ()
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{
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var welcomeText = [
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'<div class="welcometitle">Welcome to Online 3D Viewer!</div>',
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'<div class="welcometext">Here you can view your local 3D models online. You have three ways to open a file. Use the open button above to select files, simply drag and drop files to this browser window, or define the url of the files as location hash.</div>',
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'<div class="welcometextformats">Supported formats: 3ds, obj, stl.</div>',
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'<div class="welcometext">Powered by <a target="_blank" href="https://github.com/mrdoob/three.js/">Three.js</a> and <a target="_blank" href="https://github.com/kovacsv/JSModeler">JSModeler</a>.</div>',
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'<div class="welcometext"><a target="_blank" href="https://github.com/kovacsv/Online3DViewer"><img src="images/githublogo.png"/></a></div>',
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].join ('');
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return welcomeText;
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};
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ImporterApp.prototype.Resize = function ()
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{
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function SetWidth (elem, value)
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{
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elem.width = value;
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elem.style.width = value + 'px';
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}
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function SetHeight (elem, value)
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{
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elem.height = value;
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elem.style.height = value + 'px';
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}
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var top = document.getElementById ('top');
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var left = document.getElementById ('left');
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var canvas = document.getElementById ('example');
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var height = document.body.clientHeight - top.offsetHeight;
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SetHeight (canvas, 0);
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SetWidth (canvas, 0);
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SetHeight (left, height);
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SetHeight (canvas, height);
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SetWidth (canvas, document.body.clientWidth - left.offsetWidth);
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this.dialog.Resize ();
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};
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ImporterApp.prototype.JsonLoaded = function (progressBar)
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{
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var jsonData = this.viewer.GetJsonData ();
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this.meshVisibility = {};
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var i;
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for (i = 0; i < jsonData.meshes.length; i++) {
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this.meshVisibility[i] = true;
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}
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this.Generate (progressBar);
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};
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ImporterApp.prototype.GenerateMenu = function ()
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{
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function AddDefaultGroup (menu, name, id)
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{
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var group = menu.AddGroup (name, {
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id : id,
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openCloseButton : {
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isOpen : false,
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open : 'images/opened.png',
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close : 'images/closed.png',
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title : 'Show/Hide ' + name
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}
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});
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return group;
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}
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function AddInformation (infoGroup, jsonData)
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{
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var infoTable = new InfoTable (infoGroup);
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var materialCount = jsonData.materials.length;
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var vertexCount = 0;
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var triangleCount = 0;
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var i, j, mesh, triangles;
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for (i = 0; i < jsonData.meshes.length; i++) {
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mesh = jsonData.meshes[i];
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vertexCount += mesh.vertices.length / 3;
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for (j = 0; j < mesh.triangles.length; j++) {
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triangles = mesh.triangles[j];
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triangleCount += triangles.parameters.length / 9;
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}
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}
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infoTable.AddRow ('Material count', materialCount);
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infoTable.AddRow ('Vertex count', vertexCount);
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infoTable.AddRow ('Triangle count', triangleCount);
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}
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function AddMaterial (importerMenu, materialsGroup, material)
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{
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importerMenu.AddSubItem (materialsGroup, material.name, {
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openCloseButton : {
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isOpen : false,
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open : 'images/info.png',
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close : 'images/info.png',
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onOpen : function (contentDiv, material) {
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contentDiv.empty ();
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var table = new InfoTable (contentDiv);
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table.AddColorRow ('Ambient', material.ambient);
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table.AddColorRow ('Diffuse', material.diffuse);
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table.AddColorRow ('Specular', material.specular);
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table.AddRow ('Shininess', material.shininess.toFixed (2));
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table.AddRow ('Opacity', material.opacity.toFixed (2));
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},
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title : 'Show/Hide Information',
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userData : material
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}
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});
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}
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function AddMesh (importerApp, importerMenu, meshesGroup, mesh, meshIndex)
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{
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importerMenu.AddSubItem (meshesGroup, mesh.name, {
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openCloseButton : {
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isOpen : false,
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open : 'images/info.png',
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close : 'images/info.png',
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onOpen : function (contentDiv, mesh) {
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contentDiv.empty ();
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var table = new InfoTable (contentDiv);
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var min = new JSM.Coord (JSM.Inf, JSM.Inf, JSM.Inf);
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var max = new JSM.Coord (-JSM.Inf, -JSM.Inf, -JSM.Inf);
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var i, vertex;
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for (i = 0; i < mesh.vertices.length; i = i + 3) {
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vertex = new JSM.Coord (mesh.vertices[i], mesh.vertices[i + 1], mesh.vertices[i + 2]);
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min.x = JSM.Minimum (min.x, vertex.x);
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min.y = JSM.Minimum (min.y, vertex.y);
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min.z = JSM.Minimum (min.z, vertex.z);
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max.x = JSM.Maximum (max.x, vertex.x);
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max.y = JSM.Maximum (max.y, vertex.y);
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max.z = JSM.Maximum (max.z, vertex.z);
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}
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table.AddRow ('X Size', (max.x - min.x).toFixed (2));
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table.AddRow ('Y Size', (max.y - min.y).toFixed (2));
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table.AddRow ('Z Size', (max.z - min.z).toFixed (2));
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var triangleCount = 0;
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var triangles;
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for (i = 0; i < mesh.triangles.length; i++) {
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triangles = mesh.triangles[i];
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triangleCount += triangles.parameters.length / 9;
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}
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table.AddRow ('Vertex count', mesh.vertices.length / 3);
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table.AddRow ('Triangle count', triangleCount);
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},
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title : 'Show/Hide Information',
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userData : mesh
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},
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userButton : {
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id : 'showhidemesh-' + meshIndex,
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onCreate : function (image) {
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image.attr ('src', 'images/visible.png');
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},
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onClick : function (image, meshIndex) {
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var visible = importerApp.ShowHideMesh (meshIndex);
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image.attr ('src', visible ? 'images/visible.png' : 'images/hidden.png');
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},
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title : 'Show/Hide Mesh',
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userData : meshIndex
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}
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});
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}
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var jsonData = this.viewer.GetJsonData ();
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var menu = $('#menu');
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var importerMenu = new ImporterMenu (menu);
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var filesGroup = AddDefaultGroup (importerMenu, 'Files', 'filesmenuitem');
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importerMenu.AddSubItem (filesGroup, this.fileNames.main);
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var i;
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for (i = 0; i < this.fileNames.requested.length; i++) {
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importerMenu.AddSubItem (filesGroup, this.fileNames.requested[i]);
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}
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if (this.fileNames.missing.length > 0) {
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var missingFilesGroup = AddDefaultGroup (importerMenu, 'Missing Files', 'missingfilesmenuitem');
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for (i = 0; i < this.fileNames.missing.length; i++) {
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importerMenu.AddSubItem (missingFilesGroup, this.fileNames.missing[i]);
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}
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}
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var infoGroup = AddDefaultGroup (importerMenu, 'Information', 'informationmenuitem');
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AddInformation (infoGroup, jsonData);
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var materialsGroup = AddDefaultGroup (importerMenu, 'Materials', 'materialsmenuitem');
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var material;
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for (i = 0; i < jsonData.materials.length; i++) {
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material = jsonData.materials[i];
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AddMaterial (importerMenu, materialsGroup, material);
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}
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var meshesGroup = AddDefaultGroup (importerMenu, 'Meshes', 'meshesmenuitem');
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var mesh;
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for (i = 0; i < jsonData.meshes.length; i++) {
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mesh = jsonData.meshes[i];
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AddMesh (this, importerMenu, meshesGroup, mesh, i);
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}
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};
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ImporterApp.prototype.GenerateError = function (errorMessage)
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{
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this.viewer.RemoveMeshes ();
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var menu = $('#menu');
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menu.empty ();
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this.dialog.Open ({
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title : 'Error',
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text : '<div class="importerdialog">' + errorMessage + '</div>',
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buttons : [
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{
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text : 'ok',
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callback : function (dialog) {
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dialog.Close ();
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}
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}
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]
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});
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};
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ImporterApp.prototype.Generate = function (progressBar)
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{
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function ShowMeshes (importerApp, progressBar, merge)
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{
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importerApp.inGenerate = true;
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var environment = {
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onStart : function (taskCount) {
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progressBar.Init (taskCount);
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},
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onProgress : function (currentTask) {
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progressBar.Step (currentTask + 1);
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},
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onFinish : function () {
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importerApp.GenerateMenu ();
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importerApp.inGenerate = false;
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importerApp.SetReadyForTest ();
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}
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};
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if (merge) {
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var jsonData = importerApp.viewer.GetJsonData ();
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importerApp.viewer.SetJsonData (JSM.MergeJsonDataMeshes (jsonData));
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}
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importerApp.viewer.ShowAllMeshes (environment);
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}
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var jsonData = this.viewer.GetJsonData ();
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if (jsonData.materials.length === 0 || jsonData.meshes.length === 0) {
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this.GenerateError ('Failed to open file. Maybe something is wrong with your file.');
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this.SetReadyForTest ();
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return;
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}
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var myThis = this;
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if (jsonData.meshes.length > 250) {
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this.dialog.Open ({
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title : 'Information',
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text : '<div class="importerdialog">The model contains a large number of meshes. It can cause performance problems. Would you like to merge meshes?</div>',
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buttons : [
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{
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text : 'yes',
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callback : function (dialog) {
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ShowMeshes (myThis, progressBar, true);
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dialog.Close ();
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}
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},
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{
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text : 'no',
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callback : function (dialog) {
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ShowMeshes (myThis, progressBar, false);
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dialog.Close ();
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}
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}
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]
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});
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} else {
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ShowMeshes (myThis, progressBar, false);
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}
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};
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ImporterApp.prototype.FitInWindow = function ()
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{
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this.viewer.FitInWindow ();
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};
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ImporterApp.prototype.SetFixUp = function ()
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{
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this.viewer.SetFixUp ();
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};
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ImporterApp.prototype.SetNamedView = function (viewName)
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{
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this.viewer.SetNamedView (viewName);
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};
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ImporterApp.prototype.SetView = function (viewType)
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{
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this.viewer.SetView (viewType);
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};
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ImporterApp.prototype.ShowHideMesh = function (meshIndex)
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{
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this.meshVisibility[meshIndex] = !this.meshVisibility[meshIndex];
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if (this.meshVisibility[meshIndex]) {
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this.viewer.ShowMesh (meshIndex);
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} else {
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this.viewer.HideMesh (meshIndex);
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}
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return this.meshVisibility[meshIndex];
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};
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ImporterApp.prototype.ProcessFiles = function (fileList, isUrl)
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{
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this.ClearReadyForTest ();
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this.dialog.Close ();
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if (this.inGenerate) {
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return;
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}
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var userFiles = fileList;
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if (userFiles.length === 0) {
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return;
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}
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this.fileNames = null;
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var myThis = this;
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var processorFunc = JSM.ConvertFileListToJsonData;
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if (isUrl) {
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processorFunc = JSM.ConvertURLListToJsonData;
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}
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var menu = $('#menu');
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menu.empty ();
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if (isUrl) {
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menu.html ('Downloading files...');
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} else {
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menu.html ('Loading files...');
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}
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processorFunc (userFiles, {
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onError : function () {
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myThis.GenerateError ('No readable file found. You can open 3ds, obj and stl files.');
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myThis.SetReadyForTest ();
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return;
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},
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onReady : function (fileNames, jsonData) {
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myThis.fileNames = fileNames;
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myThis.viewer.SetJsonData (jsonData);
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menu.empty ();
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var progressBar = new ImporterProgressBar (menu);
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myThis.JsonLoaded (progressBar);
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}
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});
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};
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ImporterApp.prototype.DragOver = function (event)
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{
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event.stopPropagation ();
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event.preventDefault ();
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event.dataTransfer.dropEffect = 'copy';
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};
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ImporterApp.prototype.Drop = function (event)
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{
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event.stopPropagation ();
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event.preventDefault ();
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this.ResetHash ();
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this.ProcessFiles (event.dataTransfer.files, false);
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};
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ImporterApp.prototype.FileSelected = function (event)
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{
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event.stopPropagation ();
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event.preventDefault ();
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this.ResetHash ();
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this.ProcessFiles (event.target.files, false);
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};
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ImporterApp.prototype.OpenFile = function ()
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{
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var fileInput = document.getElementById ('file');
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fileInput.click ();
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};
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ImporterApp.prototype.ResetHash = function ()
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{
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if (window.location.hash.length > 1) {
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window.location.hash = '';
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}
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};
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ImporterApp.prototype.LoadFilesFromHash = function ()
|
|
{
|
|
if (window.location.hash.length < 2) {
|
|
return false;
|
|
}
|
|
|
|
var hash = window.location.hash;
|
|
var hash = hash.substr (1, hash.length - 1);
|
|
var fileList = hash.split (',');
|
|
this.ProcessFiles (fileList, true);
|
|
return true;
|
|
};
|
|
|
|
ImporterApp.prototype.InitTestMode = function ()
|
|
{
|
|
if (window.location.hash != '#test') {
|
|
return false;
|
|
}
|
|
|
|
var currentTestFile = 0;
|
|
var myThis = this;
|
|
JSM.LoadJsonFile ('testfiles_for_test/testfiles.json', function (jsonContent) {
|
|
window.addEventListener ('keydown', function (event) {
|
|
var keyCode = event.which;
|
|
if (keyCode == 84 && currentTestFile < jsonContent.files.length) {
|
|
event.preventDefault ();
|
|
myThis.dialog.Close ();
|
|
myThis.ProcessFiles (jsonContent.files[currentTestFile], true);
|
|
currentTestFile++;
|
|
}
|
|
}, false);
|
|
});
|
|
return true;
|
|
};
|
|
|
|
window.onload = function ()
|
|
{
|
|
var importerApp = new ImporterApp ();
|
|
importerApp.Init ();
|
|
// ExtensionIncludes
|
|
importerApp.AddExtension (new ExampleExtension ());
|
|
// ExtensionIncludesEnd
|
|
};
|