egroupware/api/js/etemplate/et2_widget_script.ts

/**
 * EGroupware eTemplate2 - JS widget class containing javascript
 *
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @package etemplate
 * @subpackage api
 * @link https://www.egroupware.org
 * @author Ralf Becker
 */

/*egw:uses
	et2_core_widget;
*/

import {et2_register_widget, WidgetConfig} from "./et2_core_widget";
import {et2_widget} from "./et2_core_widget";

/**
 * Function which executes the encapsulated script data.
 *
 * This should only be used for customization and NOT for regular EGroupware code!
 *
 * We can NOT create a script tag containing the content, as this violates our CSP policy!
 *
 * We use new Function(_content) instead. Therefore you have to use window to address global context:
 *
 * window.some_func = function() {...}
 *
 * instead of not working
 *
 * function some_funct() {...}
 *
 * @augments et2_widget
 */
export class et2_script extends et2_widget
{
	constructor(_parent?, _attrs? : WidgetConfig, _child? : object)
	{
		super();
		// Allow no child widgets
		this.supportedWidgetClasses = [];
	};

	/**
	 * We can NOT create a script tag containing the content, as this violoates our CSP policy!
	 *
	 * @param {string} _content
	 */
	loadContent(_content)
	{
		try
		{
			var func = new Function(_content);
			func.call(window);
		}
		catch (e)
		{
			this.egw.debug('error', 'Error while executing script: ',_content,e);
		}
	}
}
et2_register_widget(et2_script, ["script"]);