<?php
	/**************************************************************************\
	* eGroupWare - eTemplate Extension - Resource Select Widgets               *
	* http://www.egroupware.org                                                *
	* Written by Ralf Becker <RalfBecker@outdoor-training.de>                  *
	* --------------------------------------------                             *
	*  This program is free software; you can redistribute it and/or modify it *
	*  under the terms of the GNU General Public License as published by the   *
	*  Free Software Foundation; either version 2 of the License, or (at your  *
	*  option) any later version.                                              *
	\**************************************************************************/

	/* $Id$ */

	/**
	 * eTemplate Extension: select a resource
	 *
	 * @package resources
	 * @author RalfBecker-AT-outdoor-training.de
	 * @license GPL
	 */
	class resources_select_widget
	{
		/** 
		 * exported methods of this class
		 * @var array
		 */
		var $public_functions = array(
			'pre_process' => True,
		);
		/**
		 * availible extensions and there names for the editor
		 * @var array
		 */
		var $human_name = 'Select Resources';

		/**
		 * Constructor of the extension
		 *
		 * @param string $ui '' for html
		 */
		function resources_select_widget($ui)
		{
			$this->ui = $ui;
		}

		/**
		 * pre-processing of the extension
		 *
		 * This function is called before the extension gets rendered
		 *
		 * @param string $name form-name of the control
		 * @param mixed &$value value / existing content, can be modified
		 * @param array &$cell array with the widget, can be modified for ui-independent widgets 
		 * @param array &$readonlys names of widgets as key, to be made readonly
		 * @param mixed &$extension_data data the extension can store persisten between pre- and post-process
		 * @param object &$tmpl reference to the template we belong too
		 * @return boolean true if extra label is allowed, false otherwise
		 */
		function pre_process($name,&$value,&$cell,&$readonlys,&$extension_data,&$tmpl)
		{
			if ($cell['readonly'] && !is_array($value))
			{
				// no acl check here cause names are allways viewable
				list($res_id,$quantity) = explode(':',$value);
				$data = ExecMethod('resources.bo_resources.get_calendar_info',$res_id);
				$cell['type'] = 'label';
				$value = $data[0]['name']. ($data[0]['useable'] > 1 ? ' ['. ($quantity > 1 ? $quantity : 1). '/'. $data[0]['useable']. ']' : '');
				return true;
			}
			
			if (!$GLOBALS['egw_info']['user']['apps']['resources'])
			{
				$cell = $tmpl->empty_cell();
				$cell['label'] = 'no resources';
				return false;
			}
			$tpl =& new etemplate('resources.resource_selectbox');
			// keep the editor away from the generated tmpls
			$tpl->no_onclick = true;			
			
			if ($value)
			{
				foreach((array)$value as $id)
				{
					list($res_id,$quantity) = explode(':',$id);
					$data = ExecMethod('resources.bo_resources.get_calendar_info',$res_id);
					$sel_options[$data[0]['res_id'].($quantity > 1 ? (':'.$quantity) : '')] = 
						$data[0]['name'].' ['.($quantity > 1 ? $quantity : 1).'/'.$data[0]['useable'].']';
				}
				$tpl->set_cell_attribute('resources','sel_options',$sel_options);
			}
			
			$tpl->set_cell_attribute('resources','size',(int)$cell['size'].'+');
			$tpl->set_cell_attribute('resources','label',$cell['label']);
			$tpl->set_cell_attribute('resources','id','resources_selectbox');
			$tpl->set_cell_attribute('resources','name',$cell['name']);
			if ($cell['help'])
			{
				$tpl->set_cell_attribute('resources','help',$cell['help']);
				$tpl->set_cell_attribute('popup','label',$cell['help']);
			}
			$cell['type'] = 'template';
			$cell['size'] = $cell['label'] = '';
			$cell['name'] = 'resources.resource_selectbox';
			$cell['obj'] =& $tpl;

			return True;	// extra Label Ok
		}
	}