44 lines
1.6 KiB
JavaScript
44 lines
1.6 KiB
JavaScript
xrf.navigator = {}
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xrf.navigator.to = (url,event) => {
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if( !url ) throw 'xrf.navigator.to(..) no url given'
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return new Promise( (resolve,reject) => {
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let {urlObj,dir,file,hash,ext} = xrf.parseUrl(url)
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console.log("xrfragment: navigating to "+url)
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if( !file || xrf.model.file == file ){ // we're already loaded
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document.location.hash = `#${hash}` // just update the hash
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xrf.eval( url, xrf.model ) // and eval URI XR fragments
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return resolve(xrf.model)
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}
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if( xrf.model && xrf.model.scene ) xrf.model.scene.visible = false
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const Loader = xrf.loaders[ext]
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if( !Loader ) throw 'xrfragment: no loader passed to xrfragment for extension .'+ext
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xrf.reset() // clear xrf objects from scene
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// force relative path
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if( dir ) dir = dir[0] == '.' ? dir : `.${dir}`
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const loader = new Loader().setPath( dir )
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loader.load( file, function(model){
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model.file = file
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xrf.add( model.scene )
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xrf.model = model
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xrf.eval( url, model ) // and eval URI XR fragments
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xrf.navigator.pushState( `${dir}${file}`, hash )
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resolve(model)
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})
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})
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}
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xrf.navigator.init = () => {
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if( xrf.navigator.init.inited ) return
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window.addEventListener('popstate', function (event){
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xrf.navigator.to( document.location.search.substr(1) + document.location.hash, event)
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})
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xrf.navigator.init.inited = true
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}
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xrf.navigator.pushState = (file,hash) => {
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if( file == document.location.search.substr(1) ) return // page is in its default state
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window.history.pushState({},`${file}#${hash}`, document.location.pathname + `?${file}#${hash}` )
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}
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