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/* global ns */
/**
* Create a text field for the form.
*
* @param {mixed} parent
* @param {Object} field
* @param {mixed} params
* @param {function} setValue
* @returns {ns.Textarea}
*/
ns.Textarea = function (parent, field, params, setValue) {
this.parent = parent;
this.field = field;
this.value = params;
this.setValue = setValue;
};
/**
* Append field to wrapper.
*
* @param {jQuery} $wrapper
* @returns {undefined}
*/
ns.Textarea.prototype.appendTo = function ($wrapper) {
var that = this;
this.$item = ns.$(this.createHtml()).appendTo($wrapper);
this.$input = this.$item.find('textarea');
this.$errors = this.$item.find('.h5p-errors');
ns.bindImportantDescriptionEvents(this, this.field.name, this.parent);
this.$input.change(function () {
// Validate
var value = that.validate();
if (value !== false) {
// Set param
that.setValue(that.field, ns.htmlspecialchars(value));
}
});
};
/**
* Create HTML for the text field.
*/
ns.Textarea.prototype.createHtml = function () {
const id = ns.getNextFieldId(this.field);
var input = '<textarea cols="30" rows="4" id="' + id + '"';
if (this.field.description !== undefined) {
input += ' aria-describedby="' + ns.getDescriptionId(id) + '"';
}
if (this.field.placeholder !== undefined) {
input += ' placeholder="' + this.field.placeholder + '"';
}
input += '>';
if (this.value !== undefined) {
input += this.value;
}
input += '</textarea>';
return ns.createFieldMarkup(this.field, ns.createImportantDescription(this.field.important) + input, id);
};
/**
* Validate the current text field.
*/
ns.Textarea.prototype.validate = function () {
var value = H5P.trim(this.$input.val());
var valid = true;
// Clear errors before showing new ones
this.$errors.html('');
if ((this.field.optional === undefined || !this.field.optional) && !value.length) {
this.$errors.append(ns.createError(ns.t('core', 'requiredProperty', {':property': ns.t('core', 'textField')})));
valid = false;
}
else if (value.length > this.field.maxLength) {
this.$errors.append(ns.createError(ns.t('core', 'tooLong', {':max': this.field.maxLength})));
valid = false;
}
else if (this.field.regexp !== undefined && !value.match(new RegExp(this.field.regexp.pattern, this.field.regexp.modifiers))) {
this.$errors.append(ns.createError(ns.t('core', 'invalidFormat')));
valid = false;
}
this.$input.toggleClass('error', !valid);
return ns.checkErrors(this.$errors, this.$input, value);
};
/**
* Remove this item.
*/
ns.Textarea.prototype.remove = function () {
this.$item.remove();
};
// Tell the editor what semantic field we are.
ns.widgets.textarea = ns.Textarea;