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Disable local file upload if FileReader support is not available.

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This commit is contained in:
Stephan Mühlstrasser 2014-11-04 22:18:15 +01:00
commit 008c51f352
1 changed files with 20 additions and 13 deletions
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33
my_modules/c1pjs-client/lib/serial.js
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@ -125,21 +125,28 @@ C1PSerialPort.prototype.setBinding = function(c, t, s, e)
}(this); }(this);
return true; return true;
case "uploadSerial": case "uploadSerial":
this.bindings[s] = e; // Check for availability of FileReader
var serial = this; if (window.FileReader && window.File && window.FileList && window.Blob ) {
e.onsubmit = function (event) { var serial = this;
var file = event.currentTarget[1].files[0]; this.bindings[s] = e;
e.onsubmit = function (event) {
var file = event.currentTarget[1].files[0];
var reader = new FileReader(); var reader = new FileReader();
reader.onload = function () { reader.onload = function () {
// serial.println("uploading " + file.name + "..."); // serial.println("uploading " + file.name + "...");
serial.loadFile(file.name, reader.result, 0); serial.loadFile(file.name, reader.result, 0);
};
reader.readAsText(file);
// Prevent reloading of web page after form submission
return false;
}; };
reader.readAsText(file); }
else {
// Prevent reloading of web page after form submission this.println("FileReader support not available, disabling local file upload");
return false; e.parentNode.removeChild(e);
}; }
return true; return true;
default: default:
break; break;