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// $Id$
// Global killswitch
if (isJsEnabled()) {
addLoadEvent(uploadAutoAttach);
}
/**
* Attaches the upload behaviour to the upload form.
*/
function uploadAutoAttach() {
var acdb = [];
var inputs = document.getElementsByTagName('input');
for (i = 0; input = inputs[i]; i++) {
if (input && hasClass(input, 'upload')) {
var uri = input.value;
// Extract the button ID based on a subtring of the input name: edit[foo][bar] -> foo-bar
var button = input.name.substr(5, input.name.length - 6).replace('][', '-');
var wrapper = button + '-wrapper';
var hide = button + '-hide';
var upload = new jsUpload(uri, button, wrapper, hide);
}
}
}
/**
* JS upload object.
*/
function jsUpload(uri, button, wrapper, hide) {
var upload = this;
this.button = button;
this.wrapper = wrapper;
this.hide = hide;
redirectFormButton(uri, $(button), this);
}
/**
* Handler for the form redirection submission.
*/
jsUpload.prototype.onsubmit = function () {
var hide = $(this.hide);
// Insert progressbar and stretch to take the same space.
this.progress = new progressBar('uploadprogress');
this.progress.setProgress(-1, 'Uploading file');
this.progress.element.style.width = '28em';
this.progress.element.style.height = hide.offsetHeight +'px';
hide.parentNode.insertBefore(this.progress.element, hide);
// Hide file form (cannot use display: none, this mysteriously aborts form
// submission in Konqueror)
hide.style.position = 'absolute';
hide.style.left = '-2000px';
}
/**
* Handler for the form redirection completion.
*/
jsUpload.prototype.oncomplete = function (data) {
// Remove progressbar
removeNode(this.progress.element);
this.progress = null;
// Replace form and re-attach behaviour
$(this.wrapper).innerHTML = data;
uploadAutoAttach();
}
/**
* Handler for the form redirection error.
*/
jsUpload.prototype.onerror = function (error) {
alert('An error occurred:\n\n'+ error);
// Remove progressbar
removeNode(this.progress.element);
this.progress = null;
// Undo hide
$(this.hide).style.position = 'static';
$(this.hide).style.left = '0px';
}
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