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/* global ns */
/**
* Adds a file upload field to the form.
*
* @param {mixed} parent
* @param {object} field
* @param {mixed} params
* @param {function} setValue
* @returns {ns.File}
*/
ns.File = function (parent, field, params, setValue) {
var self = this;
// Initialize inheritance
ns.FileUploader.call(self, field);
this.parent = parent;
this.field = field;
this.params = params;
this.setValue = setValue;
this.library = parent.library + '/' + field.name;
this.id = ns.getNextFieldId(field);
if (params !== undefined) {
this.copyright = params.copyright;
}
this.changes = [];
this.passReadies = true;
parent.ready(function () {
self.passReadies = false;
});
// Create remove file dialog
this.confirmRemovalDialog = new H5P.ConfirmationDialog({
headerText: H5PEditor.t('core', 'removeFile'),
dialogText: H5PEditor.t('core', 'confirmRemoval', {':type': 'file'})
}).appendTo(document.body);
// Remove file on confirmation
this.confirmRemovalDialog.on('confirmed', function () {
delete self.params;
self.setValue(self.field);
self.addFile();
for (var i = 0; i < self.changes.length; i++) {
self.changes[i]();
}
});
// When uploading starts
self.on('upload', function () {
// Insert throbber
self.$file.html('<div class="h5peditor-uploading h5p-throbber">' + ns.t('core', 'uploading') + '</div>');
// Clear old error messages
self.$errors.html('');
});
// Monitor upload progress
self.on('uploadProgress', function (e) {
self.$file.children().html(ns.t('core', 'uploading') + ' ' + Math.round(e.data * 100) + ' %');
});
// Handle upload complete
self.on('uploadComplete', function (event) {
var result = event.data;
try {
if (result.error) {
throw result.error;
}
self.params = self.params || {};
self.params.path = result.data.path;
self.params.mime = result.data.mime;
self.params.copyright = self.copyright;
// Make it possible for other widgets to process the result
self.trigger('fileUploaded', result.data);
self.setValue(self.field, self.params);
for (var i = 0; i < self.changes.length; i++) {
self.changes[i](self.params);
}
}
catch (error) {
self.$errors.append(ns.createError(error));
}
self.addFile();
});
};
ns.File.prototype = Object.create(ns.FileUploader.prototype);
ns.File.prototype.constructor = ns.File;
/**
* Append field to the given wrapper.
*
* @param {jQuery} $wrapper
* @returns {undefined}
*/
ns.File.prototype.appendTo = function ($wrapper) {
var self = this;
var fileHtml =
'<div class="file"></div>' +
'<a class="h5p-copyright-button" href="#">' + ns.t('core', 'editCopyright') + '</a>' +
'<div class="h5p-editor-dialog">' +
'<a href="#" class="h5p-close" title="' + ns.t('core', 'close') + '"></a>' +
'</div>';
var html = ns.createFieldMarkup(this.field, fileHtml, this.id);
var $container = ns.$(html).appendTo($wrapper);
this.$copyrightButton = $container.find('.h5p-copyright-button');
this.$file = $container.find('.file');
this.$errors = $container.find('.h5p-errors');
this.addFile();
var $dialog = $container.find('.h5p-editor-dialog');
$container.find('.h5p-copyright-button').add($dialog.find('.h5p-close')).click(function () {
$dialog.toggleClass('h5p-open');
return false;
});
ns.File.addCopyright(self, $dialog, function (field, value) {
if (self.params !== undefined) {
self.params.copyright = value;
}
self.copyright = value;
});
};
/**
* Help add copyright dialog to the given field
*
* @param {Object} field
* @param {function} setCopyright
*/
ns.File.addCopyright = function (field, $dialog, setCopyright) {
/**
* Help find object in list with the given property value.
*
* @param {Object[]} list of objects to search through
* @param {string} property to look for
* @param {string} value to match property value against
*/
var find = function (list, property, value) {
var properties = property.split('.');
for (var i = 0; i < list.length; i++) {
var objProp = list[i];
for (var j = 0; j < properties.length; j++) {
objProp = objProp[properties[j]];
}
if (objProp === value) {
return list[i];
}
}
};
// Re-map old licenses that have been moved
if (field.copyright) {
if (field.copyright.license === 'ODC PDDL') {
field.copyright.license = 'PD';
field.copyright.version = 'CC0 1.0';
}
else if (field.copyright.license === 'CC PDM') {
field.copyright.license = 'PD';
field.copyright.version = 'CC PDM';
}
}
var group = new H5PEditor.widgets.group(field, H5PEditor.copyrightSemantics, field.copyright, setCopyright);
// TODO: We'll have to do something here with metadataSemantics if we change the widgtets
group.appendTo($dialog);
group.expand();
group.$group.find('.title').remove();
field.children = [group];
// Locate license and version selectors
var licenseField = find(group.children, 'field.name', 'license');
var versionField = find(group.children, 'field.name', 'version');
versionField.field.optional = true; // Avoid any error messages
// Listen for changes to license
licenseField.changes.push(function (value) {
// Find versions for selected value
var option = find(licenseField.field.options, 'value', value);
var versions = option.versions;
versionField.$select.prop('disabled', versions === undefined);
if (versions === undefined) {
// If no versions add default
versions = [{
value: '-',
label: '-'
}];
}
// Find default selected version
var selected = (field.copyright.license === value &&
field.copyright.version ? field.copyright.version : versions[0].value);
// Update versions selector
versionField.$select.html(H5PEditor.Select.createOptionsHtml(versions, selected)).change();
});
// Trigger update straight away
licenseField.changes[licenseField.changes.length - 1](field.copyright.license);
};
/**
* Creates thumbnail HTML and actions.
*
* @returns {Boolean}
*/
ns.File.prototype.addFile = function () {
var that = this;
if (this.params === undefined) {
let html = '<a href="#" id="' + this.id + '" class="add"';
if (this.field.description !== undefined) {
html += ' aria-describedby="' + ns.getDescriptionId(this.id) + '"';
}
html += ' title="' + ns.t('core', 'addFile') + '">' +
'<div class="h5peditor-field-file-upload-text">' + ns.t('core', 'add') + '</div>' +
'</a>'
this.$file.html(html).children('.add').click(function () {
that.openFileSelector();
return false;
});
this.$copyrightButton.addClass('hidden');
return;
}
var thumbnail;
if (this.field.type === 'image') {
thumbnail = {};
thumbnail.path = H5P.getPath(this.params.path, H5PEditor.contentId);
thumbnail.height = 100;
if (this.params.width !== undefined) {
thumbnail.width = thumbnail.height * (this.params.width / this.params.height);
}
}
else {
thumbnail = ns.fileIcon;
}
var fileHtmlString = '<a href="#" id="' + this.id + '" title="' + ns.t('core', 'changeFile') + '" class="thumbnail"';
if (this.field.description !== undefined) {
fileHtmlString += ' aria-describedby="' + ns.getDescriptionId(this.id) + '"';
}
fileHtmlString += '><img ' +
(thumbnail.width === undefined ? '' : ' width="' + thumbnail.width + '"') +
'height="' + thumbnail.height + '" '+
'alt="' + (this.field.label === undefined ? '' : this.field.label) + '"/></a>' +
'<a href="#" class="remove" title="' + ns.t('core', 'removeFile') + '"></a>';
this.$file.html(fileHtmlString).children(':eq(0)').click(function () {
that.openFileSelector();
return false;
}).children('img').attr('src', thumbnail.path).end().next().click(function () {
that.confirmRemovalDialog.show(H5P.jQuery(this).offset().top);
return false;
});
that.$copyrightButton.removeClass('hidden');
};
/**
* Validate this item
*/
ns.File.prototype.validate = function () {
return true;
};
/**
* Remove this item.
*/
ns.File.prototype.remove = function () {
// TODO: Check what happens when removed during upload.
this.$file.parent().remove();
};
/**
* Collect functions to execute once the tree is complete.
*
* @param {function} ready
* @returns {undefined}
*/
ns.File.prototype.ready = function (ready) {
if (this.passReadies) {
this.parent.ready(ready);
}
else {
ready();
}
};
// Tell the editor what widget we are.
ns.widgets.file = ns.File;