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