Created
January 13, 2017 17:07
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test web file
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| window.requestFileSystem = window.requestFileSystem || window.webkitRequestFileSystem; | |
| var opts = { | |
| type: window.PERSISTENT, | |
| size: 1024*1024 | |
| }; | |
| function FileView(ul) { | |
| var files = []; | |
| var doc = ul.ownerDocument; | |
| function clear(el){ | |
| while(el.firstChild){ | |
| el.removeChild(el.firstChild); | |
| } | |
| } | |
| function preview(file) { | |
| var url = URL.createObjectURL(file); | |
| var span = doc.createElement('span'); | |
| span.className = 'file-preview'; | |
| if( file.type.indexOf('image') > -1 ) { | |
| var img = doc.createElement('img'); | |
| img.src = url; | |
| span.appendChild(img); | |
| } else if ( file.type.indexOf('video') > -1 ) { | |
| var video = doc.createElement('video'); | |
| video.controls = true; | |
| video.src = url; | |
| span.appendChild(video); | |
| } else { | |
| span.contentText = 'no preview'; | |
| } | |
| return span; | |
| } | |
| function draw(){ | |
| clear(ul); | |
| for( var i=0, file; file = files[i]; i++ ) { | |
| var li = doc.createElement('li'); | |
| li.className = 'file-entry'; | |
| li.appendChild( preview(file) ); | |
| li.innerHTML += "" | |
| + "<span class='file-relative-path'>" + file.webkitRelativePath + "</span>" | |
| + "<span class='file-name'>" + file.name + "</span>" | |
| + "<span class='file-size'>" + file.size + "</span>" | |
| + "<span class='file-type'>" + file.type + "</span>" | |
| + "<span class='file-last-modified'>" + file.lastModifiedDate + "</span>"; | |
| ul.appendChild(li); | |
| }; | |
| } | |
| this.setFiles = function(f){ | |
| files = f; | |
| draw(); | |
| } | |
| } | |
| var fileInput = document.querySelector('#file-input'); | |
| var view = new FileView(document.querySelector("#view")); | |
| function onError() { | |
| console.error(arguments); | |
| } | |
| function onFileSystem(fs) { | |
| console.log('got filesystem', fs); | |
| } | |
| window.requestFileSystem(opts.type, opts.size, onFileSystem, onError); | |
| fileInput.onchange = function onFileInput(e) { | |
| console.log('got files',this.files); | |
| view.setFiles(this.files); | |
| } |
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| <html> | |
| <head> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <input id="file-input" type="file" webkitdirectory multiple> | |
| <ul id="view"> | |
| </ul> | |
| <script src="app.js"></script> | |
| </body> | |
| </html> |
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| body, html { | |
| font-family:sans-serif; | |
| } | |
| #view { | |
| margin:0; | |
| padding:0; | |
| } | |
| .file-preview { | |
| display:inline-block; | |
| width: 320px; | |
| height: 240px; | |
| overflow:hidden; | |
| background:lightgrey; | |
| text-align:center; | |
| } | |
| .file-preview img, | |
| .file-preview video { | |
| max-width: 100%; | |
| max-height: 100%; | |
| } | |
| .file-entry { | |
| list-style:none; | |
| padding:0; | |
| margin:0 0 4px 0; | |
| } | |
| .file-entry span { | |
| margin-left:10px; | |
| font-size:10px; | |
| color:grey; | |
| } | |
| .file-entry .file-relative-path { | |
| font-size:12px; | |
| color:#111; | |
| font-family:monospace; | |
| } |
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