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/* global ns */ H5PEditor.TableList = (function ($, EventDispatcher) { /** * Renders UI for the table list. * * @class * @extends H5P.EventDispatcher * @param {List} list * @param {string} [extraClass] */ function TableList(list, extraClass) { var self = this; // Initialize inheritance EventDispatcher.call(self); // Grab entity and make first letter upper case var entity = list.getEntity(); entity = entity.substr(0,1).toLocaleUpperCase() + entity.substr(1); // Create DOM structure elements for the table var $wrapper = $('<table/>', { 'class': 'h5p-editor-table-list' + (extraClass ? ' ' + extraClass : '') }); var $thead = $('<thead/>', { appendTo: $wrapper }); var $headRow; var $tbody = $('<tbody/>', { appendTo: $wrapper }); var $tfoot = $('<tfoot/>', { appendTo: $wrapper }); /** * Adds UI items to the widget. * * @public * @param {Object} item */ self.addItem = function (item) { if (!(item instanceof H5PEditor.Group)) { return; // Only support multiple fields } if (!$headRow) { var group = list.getField(); addHeader(group.fields); addFooter(group.fields.length); self.trigger('tableprepared', { thead: $thead[0], tfoot: $tfoot[0], tbody: $tbody[0], fields: group.fields }); } // Set default params in case item has no params if (item.params === undefined) { item.params = {}; item.setValue(item.field, item.params); } addRow(item); }; /** * Add table headers * * @private * @param {Array} fields */ var addHeader = function (fields) { $headRow = $('<tr/>', { appendTo: $thead }); for (var i = 0; i < fields.length; i++) { $('<th/>', { 'class': 'h5peditor-type-' + fields[i].type, html: (fields[i].label ? fields[i].label : ''), appendTo: $headRow }); fields[i].label = 0; // No labels inside table rows } $('<th/>', { 'class': 'h5peditor-remove-header', appendTo: $headRow }); self.trigger('headeradd', { element: $headRow[0], fields: fields }); }; /** * Add table footer * * @private * @param {number} length */ var addFooter = function (length) { var $footRow = $('<tr/>', { appendTo: $tfoot }); var $footCell = $('<td/>', { colspan: length, appendTo: $footRow }); H5PEditor.createButton(list.getImportance(), H5PEditor.t('core', 'addEntity', {':entity': entity}), function () { list.addItem(); }, true).appendTo($footCell); self.trigger('footeradd', { footerCell: $footCell[0], fields: list.getField().fields, tbody: $tbody[0] }); }; /** * Add a new table row with data using the given group as source * * @private * @param {H5PEditor.Group} item */ var addRow = function (item) { // Keep track of field instances item.children = []; // Create row element var $tableRow = $('<tr/>', { appendTo: $tbody }); // Process semantics to create row fields var fields = item.getFields(); for (var i = 0; i < fields.length; i++) { fields[i].label = 0; var fieldInstance = processSemanticsField(item, fields[i]); if (fieldInstance) { var $cell = $('<td/>', { appendTo: $tableRow }); fieldInstance.appendTo($cell); item.children.push(fieldInstance); } } // Add remove button var $removeButtonCell = $('<td/>', { 'class': 'h5peditor-remove-button', appendTo: $tableRow }); H5PEditor.createButton('remove', H5PEditor.t('core', 'removeItem'), function () { if (this.getAttribute('aria-disabled') !== 'true') { confirmRemovalDialog.show($(this).offset().top); } }).appendTo($removeButtonCell); // Create confirmation dialog for removing list item var confirmRemovalDialog = new H5P.ConfirmationDialog({ dialogText: H5PEditor.t('core', 'confirmRemoval', {':type': entity.toLocaleLowerCase()}) }).appendTo(document.body); confirmRemovalDialog.on('confirmed', function () { // Remove him! self.trigger('rowremove', { element: $tableRow[0], fields: fields }); var index = $tableRow.index(); list.removeItem(index); $tableRow.remove(); // Bye, bye self.trigger('rowremoved'); }); // Allow overriding / customization self.trigger('rowadd', { element: $tableRow[0], fields: fields, instances: item.children }); }; /** * Convert semantics into widgets. * * @private * @param {H5PEditor.Group} parent * @param {Object} field */ var processSemanticsField = function (parent, field) { // Check required field properties if (field.name === undefined || field.type === undefined) { return; } // Set default value if (parent.params[field.name] === undefined && field['default'] !== undefined) { parent.params[field.name] = field['default']; } // Locate widget var widget = ns.getWidgetName(field); // Create new field instance return new ns.widgets[widget](parent, field, parent.params[field.name], function (field, value) { if (value === undefined) { delete parent.params[field.name]; } else { parent.params[field.name] = value; } }); }; /** * Puts this widget at the end of the given container. * * @public * @param {jQuery} $container */ self.appendTo = function ($container) { $wrapper.appendTo($container); }; /** * Remove this widget from the editor DOM. * * @public */ self.remove = function () { $wrapper.remove(); }; } // Extend the prototype TableList.prototype = Object.create(EventDispatcher.prototype); TableList.prototype.constructor = TableList; return TableList; })(H5P.jQuery, H5P.EventDispatcher);
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