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pillar/src/scripts/file_upload.js
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file_upload.js
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function deleteFile(fileField, newFileId) {
if (newFileId) {
fileField.val(newFileId);
} else {
fileField.val('');
}
}
var current_file_uploads = 0;
function on_file_upload_activated() {
if (current_file_uploads == 0) {
// Disable the save buttons.
$('.button-save')
.addClass('disabled')
.find('a').html('<i class="pi-spin spin"></i> Uploading...');
}
current_file_uploads++;
}
function on_file_upload_finished() {
current_file_uploads = Math.max(0, current_file_uploads-1);
if (current_file_uploads == 0) {
// Restore the save buttons.
$('.button-save')
.removeClass('disabled')
.find('a').html('<i class="pi-check"></i> Save Changes');
}
}
function setup_file_uploader(index, upload_element) {
var $upload_element = $(upload_element);
var container = $upload_element.parent().parent();
var progress_bar = container.find('div.form-upload-progress-bar');
function set_progress_bar(progress, html_class) {
progress_bar.css({
'width': progress + '%',
'display': progress == 0 ? 'none' : 'block'});
progress_bar.removeClass('progress-error progress-uploading progress-processing');
if (!!html_class) progress_bar.addClass(html_class);
}
$upload_element.fileupload({
dataType: 'json',
replaceFileInput: false,
dropZone: container,
formData: {},
beforeSend: function (xhr, data) {
var token = this.fileInput.attr('data-token');
xhr.setRequestHeader('Authorization', 'basic ' + btoa(token + ':'));
statusBarSet('info', 'Uploading File...', 'pi-upload-cloud');
// console.log('Uploading from', upload_element, upload_element.value);
// Clear thumbnail & progress bar.
container.find('.preview-thumbnail').hide();
set_progress_bar(0);
$('body').trigger('file-upload:activated');
},
add: function (e, data) {
var uploadErrors = [];
// Load regex if available (like /^image\/(gif|jpe?g|png)$/i;)
var acceptFileTypes = new RegExp($(this).data('file-format'));
if (data.originalFiles[0]['type'].length && !acceptFileTypes.test(data.originalFiles[0]['type'])) {
uploadErrors.push('Not an accepted file type');
}
if (uploadErrors.length > 0) {
$(this).parent().parent().addClass('error');
$(this).after(uploadErrors.join("\n"));
} else {
$(this).parent().parent().removeClass('error');
data.submit();
}
},
progressall: function (e, data) {
// Update progressbar during upload
var progress = parseInt(data.loaded / data.total * 100, 10);
// console.log('Uploading', upload_element.value, ': ', progress, '%');
set_progress_bar(Math.max(progress, 2),
progress > 99.9 ? 'progress-processing' : 'progress-uploading'
);
},
done: function (e, data) {
if (data.result.status !== 'ok') {
if (console)
console.log('FIXME, do error handling for non-ok status', data.result);
return;
}
// Ensure the form refers to the correct Pillar file ID.
var pillar_file_id = data.result.file_id;
var $file_id_field = $('#' + $(this).attr('data-field-name'));
if ($file_id_field.val()) {
deleteFile($file_id_field, pillar_file_id);
}
$file_id_field.val(pillar_file_id);
var filename = data.files[0].name;
// Set the slug based on the name, strip special characters
$('#' + $(this).attr('data-field-slug')).val(filename.replace(/[^0-9a-zA-Z]+/g, ""));
// Ugly workaround: If the asset has the default name, name it as the file
if ($('.form-group.name .form-control').val() == 'New asset') {
$('.form-group.name .form-control').val(filename);
$('.node-edit-title').html(filename);
}
statusBarSet('success', 'File Uploaded Successfully', 'pi-check');
set_progress_bar(100);
$('body').trigger('file-upload:finished');
},
fail: function (jqXHR, fileupload) {
if (console) {
console.log('Upload error:');
console.log('jqXHR', jqXHR);
console.log('fileupload', fileupload);
}
var uploadErrors = [];
for (var key in fileupload.messages) {
uploadErrors.push(fileupload.messages[key]);
}
statusBarSet('error',
'Upload error: ' + uploadErrors.join("; "),
'pi-attention', 16000);
set_progress_bar(100, 'progress-error');
$('body').trigger('file-upload:finished');
}
});
}
$(function () {
// $('.file_delete').click(function(e){
$('body').unbind('click')
.on('click', '.file_delete', function(e) {
e.preventDefault();
var field_name = '#' + $(this).data('field-name');
var file_field = $(field_name);
deleteFile(file_field);
$(this).parent().parent().hide();
$(this).parent().parent().prev().hide();
})
.on('file-upload:activated', on_file_upload_activated)
.on('file-upload:finished', on_file_upload_finished)
.on('click', '.js-append-attachment', function(e) {
e.preventDefault();
// Append widget @[slug-name] to the post's description
// Note: Heavily connected to HTML in _node_edit_form.jade
var slug = $(this).parent().find("input[id*='slug']").val();
var widget = '@[' + slug + ']\n';
document.getElementById('description').value += widget;
})
;
function inject_project_id_into_url(index, element) {
// console.log('Injecting ', ProjectUtils.projectId(), ' into ', element);
var url = element.getAttribute('data-url');
url = url.replace('{project_id}', ProjectUtils.projectId());
element.setAttribute('data-url', url);
// console.log('The new element is', element);
}
$('.fileupload')
.each(inject_project_id_into_url)
.each(setup_file_uploader)
;
});