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efrain |
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/* global ns */
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/**
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* Create a number picker field for the form.
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*
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* @param {mixed} parent
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* @param {Object} field
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* @param {mixed} params
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* @param {function} setValue
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* @returns {ns.Number}
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*/
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ns.Number = function (parent, field, params, setValue) {
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this.field = field;
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this.value = params;
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this.setValue = setValue;
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};
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/**
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* Append field to wrapper.
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*
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* @param {jQuery} $wrapper
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* @returns {undefined}
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*/
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ns.Number.prototype.appendTo = function ($wrapper) {
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var that = this;
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this.$item = ns.$(this.createHtml()).appendTo($wrapper);
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this.$errors = this.$item.find('.h5p-errors');
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var $inputs = this.$item.find('input');
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if ($inputs.length === 1) {
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this.$input = $inputs;
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}
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else {
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this.$range = $inputs.filter(':first');
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this.$input = this.$range.next();
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}
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this.$input.change(function () {
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// Validate
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var value = that.validate();
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if (value !== false) {
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// Set param
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that.value = value;
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that.setValue(that.field, value);
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if (that.$range !== undefined) {
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that.$range.val(value);
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}
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if (value !== undefined && that.field.unit) {
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that.$input.val(value + ' ' + that.field.unit);
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}
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}
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});
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if (this.$range !== undefined) {
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if (this.$range.attr('type') === 'range') {
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this.$range.change(function () {
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that.$input.val(that.$range.val()).change();
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});
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// Add some styles for IE.
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if (H5PEditor.isIE) {
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this.$range.css('margin-top', 0);
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this.$input.css('margin-top', '7px');
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}
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}
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else {
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this.$range.remove();
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}
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}
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};
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/**
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* Create HTML for the field.
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*/
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ns.Number.prototype.createHtml = function () {
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const id = ns.getNextFieldId(this.field);
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const descriptionId = (this.field.description !== undefined ? ns.getDescriptionId(id) : undefined)
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const value = this.field.unit && this.value !== undefined ? (this.value + ' ' + this.field.unit) : this.value;
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var input = ns.createText(value, 15, undefined, id, descriptionId);
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/* TODO: Add back in when FF gets support for input:range....
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*if (this.field.min !== undefined && this.field.max !== undefined && this.field.step !== undefined) {
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input = '<input type="range" min="' + this.field.min + '" max="' + this.field.max + '" step="' + this.field.step + '"' + (this.value === undefined ? '' : ' value="' + this.value + '"') + '/>' + input;
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}
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*/
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return ns.createFieldMarkup(this.field, input, id);
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};
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/**
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* Validate the current text field.
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*/
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ns.Number.prototype.validate = function () {
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var that = this;
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var value = H5P.trim(this.$input.val());
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var decimals = this.field.decimals !== undefined && this.field.decimals;
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if (this.field.unit) {
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value = value.replace(new RegExp(' *' + this.field.unit + '$'), '');
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}
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// Clear errors before showing new ones
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this.$errors.html('');
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// Determine property name
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var propertyName = (that.field.label === 0 ? ns.t('core', 'numberField') : that.field.label);
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if (!value.length) {
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if (that.field.optional === true) {
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// Field is optional and does not have a value, nothing more to validate
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this.$input.removeClass('error');
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return;
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}
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// Field must have a value
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this.$errors.append(ns.createError(ns.t('core', 'requiredProperty', {':property': ns.t('core', 'numberField')})));
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}
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else {
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var isInt = value.match(new RegExp('^-?[0-9]+$'));
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if (decimals && !isInt && !value.match(new RegExp('^-?[0-9]+(.|,)[0-9]{1,' + decimals + '}$'))) {
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this.$errors.append(ns.createError(ns.t('core', 'illegalDecimalNumber', {
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':property': propertyName,
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':decimals': decimals
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})));
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}
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else if (!decimals && !isInt) {
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this.$errors.append(ns.createError(ns.t('core', 'onlyNumbers', {':property': propertyName})));
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}
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else {
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if (decimals) {
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value = parseFloat(value.replace(',', '.'));
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}
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else {
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value = parseInt(value);
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}
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if (this.field.max !== undefined && value > this.field.max) {
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this.$errors.append(ns.createError(ns.t('core', 'exceedsMax', {':property': propertyName, ':max': this.field.max})));
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}
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else if (this.field.min !== undefined && value < this.field.min) {
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this.$errors.append(ns.createError(ns.t('core', 'belowMin', {':property': propertyName, ':min': this.field.min})));
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}
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else if (this.field.step !== undefined && value % this.field.step) {
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this.$errors.append(ns.createError(ns.t('core', 'outOfStep', {':property': propertyName, ':step': this.field.step})));
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}
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}
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}
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this.$input.toggleClass('error', this.$errors.html().length > 0);
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return ns.checkErrors(this.$errors, this.$input, value);
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};
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/**
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* Remove this item.
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*/
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ns.Number.prototype.remove = function () {
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this.$item.remove();
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};
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// Tell the editor what widget we are.
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ns.widgets.number = ns.Number;
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