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panzi/10_object_url.js

Created November 1, 2012 05:02
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Save/download data generated in JavaScript (2)
Raw
10_object_url.js
if (BrowserSupportedMimeTypes[mimetype.split(";")[0]] === true) {
  mimetype = "application/octet-stream";
 }
 
 blob = builder.getBlob(mimetype);
 url = URL.createObjectURL(blob);
 window.open(url, '_blank', '');
}
Raw
11_object_url.js
  setTimeout(function () {
   URL.revokeObjectURL(url);
  }, 250);
 };
}
Raw
12_data_url.js
else if (!/\bMSIE\b/.test(navigator.userAgent)) {
 showSave = function (data, name, mimetype) {
  if (!mimetype) mimetype = "application/octet-stream";
  // Again I need to filter the mime type so a download is forced.
  if (BrowserSupportedMimeTypes[mimetype.split(";")[0]] === true) {
   mimetype = "application/octet-stream";
  }
  window.open("data:"+mimetype+","+encodeURIComponent(data), '_blank', '');
 };
}
Raw
13_usage.js
function saveData () {
 if (!showSave) {
  alert("Your browser does not support any method of saving JavaScript gnerated data to files.");
  return;
 }
 
 showSave(
  document.getElementById("data").value,
  document.getElementById("filename").value,
  document.getElementById("mimetype").value);
}
// ]]>
Raw
14_foot.html
</script>
</head>
<body>
<label for="filename">File name:</label>
<input type="text" id="filename" value="Example.txt"/>
 
<label for="mimetype">Mime type:</label>
<input type="text" id="mimetype" value="text/plain; charset=UTF-8"/>
 
 
 
<label for="data">File contents:</label>
 
<textarea id="data">Multiline text containing unicode characters.
 
German umlauts: äöüÄÖÜ
Unicode quotes: »«„“”</textarea>
 
 
 
<button onclick="saveData();">Save Data</button>
</body>
</html>
Raw
15_new_blob_constructor.js
var blob = new Blob([string],{type:mimetype});
@panzi
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panzi commented Nov 1, 2012

See: http://hackworthy.blogspot.co.at/2012/05/savedownload-data-generated-in.html

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