egroupware/etemplate/inc/class.uietemplate.inc.php

<?php
	/**************************************************************************\
	* eGroupWare - EditableTemplates - HTML User Interface                     *
	* 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.                                              *
	\**************************************************************************/

	/* $Id$ */

	include_once(PHPGW_INCLUDE_ROOT . '/etemplate/inc/class.boetemplate.inc.php');

	/**
	 * creates dialogs / HTML-forms from eTemplate descriptions
	 *
	 * etemplate or uietemplate extends boetemplate, all vars and public functions are inherited
	 *
	 * $tmpl = CreateObject('etemplate.etemplate','app.template.name');
	 * $tmpl->exec('app.class.callback',$content_to_show);
	 * This creates a form from the eTemplate 'app.template.name' and takes care that
	 * the method / public function 'callback' in (bo)class 'class' of 'app' gets called
	 * if the user submitts the form. Vor the complete param's see the description of exec.
	 *
	 * @package etemplate
	 * @subpackage api
	 * @author RalfBecker-AT-outdoor-training.de
	 * @license GPL
	 */
	class etemplate extends boetemplate
	{
		/**
		 * @var int/string='' integer debug-level or template-name or cell-type or '' = off
		 * 1=calls to show and process_show, 2=content after process_show,
		 * 3=calls to show_cell and process_show_cell
		 */
		var $debug;
		var $html;	/* instance of html-class */
		var $xslt = false;	/* do we run in the xslt framework (true) or the regular eGW one (false) */
		var $class_conf = array('nmh' => 'th','nmr0' => 'row_on','nmr1' => 'row_off');
		var $public_functions = array('process_exec' => True);

		/**
		 * constructor of etemplate class, reads an eTemplate if $name is given
		 *
		 * @param string $name of etemplate or array with name and other keys
		 * @param string/array $load_via with keys of other etemplate to load in order to get $name
		 */
		function etemplate($name='',$load_via='')
		{
			if (!is_object($GLOBALS['phpgw']->html))
			{
				$GLOBALS['phpgw']->html = CreateObject('phpgwapi.html');
			}
			$this->html = &$GLOBALS['phpgw']->html;

			$this->boetemplate($name,$load_via);

			$this->xslt = is_object($GLOBALS['phpgw']->xslttpl);
		}

		/**
		 * Abstracts a html-location-header call
		 *
		 * In other UI's than html this needs to call the methode, defined by menuaction or
		 * open a browser-window for any other links.
		 * 
		 * @param string/array $params url or array with get-params incl. menuaction
		 */
		function location($params='')
		{
			$GLOBALS['phpgw']->redirect_link(is_array($params) ? '/index.php' : $params,
				is_array($params) ? $params : '');
		}

		/**
		 * Generats a Dialog from an eTemplate - abstract the UI-layer
		 *
		 * This is the only function an application should use, all other are INTERNAL and
		 * do NOT abstract the UI-layer, because they return HTML.
		 * Generates a webpage with a form from the template and puts process_exec in the
		 * form as submit-url to call process_show for the template before it
		 * ExecuteMethod's the given $method of the caller.
		 *
		 * @param string $method Methode (e.g. 'etemplate.editor.edit') to be called if form is submitted
		 * @param array $content with content to fill the input-fields of template, eg. the text-field
		 * 		with name 'name' gets its content from $content['name']
		 * @param $sel_options array or arrays with the options for each select-field, keys are the
		 * 		field-names, eg. array('name' => array(1 => 'one',2 => 'two')) set the
		 * 		options for field 'name'. ($content['options-name'] is possible too !!!)
		 * @param array $readonlys with field-names as keys for fields with should be readonly
		 * 		(eg. to implement ACL grants on field-level or to remove buttons not applicable)
		 * @param array $preserv with vars which should be transported to the $method-call (eg. an id) array('id' => $id) sets $_POST['id'] for the $method-call
		 * @param int $output_mode 0 = echo incl. navbar, 1 = return html, 2 = echo without navbar (eg. for popups)
		 * @param string $ignore_validation if not empty regular expression for validation-errors to ignore
		 * @param array $changes change made in the last call if looping, only used internaly by process_exec
		 * @return string html for $output_mode == 1, else nothing
		 */
		function exec($method,$content,$sel_options='',$readonlys='',$preserv='',$output_mode=0,$ignore_validation='',$changes='')
		{
			//echo "<br>globals[java_script] = '".$GLOBALS['phpgw_info']['etemplate']['java_script']."', this->java_script() = '".$this->java_script()."'\n";
			if (!$sel_options)
			{
				$sel_options = array();
			}
			if (!$readonlys)
			{
				$readonlys = array();
			}
			if (!$preserv)
			{
				$preserv = array();
			}
			if (!$changes)
			{
				$changes = array();
			}
			if (isset($content['app_header']))
			{
				$GLOBALS['phpgw_info']['flags']['app_header'] = $content['app_header'];
			}
			if ($GLOBALS['phpgw_info']['flags']['currentapp'] != 'etemplate')
			{
				$GLOBALS['phpgw']->translation->add_app('etemplate');	// some extensions have own texts
			}
			$id = $this->appsession_id();
			$GLOBALS['phpgw_info']['etemplate']['loop'] = False;
			$GLOBALS['phpgw_info']['etemplate']['form_options'] = '';	// might be set in show
			$GLOBALS['phpgw_info']['etemplate']['to_process'] = array();
			$html = (!$this->xslt ? $this->html->themeStyles()."\n\n" : ''). // so they get included once
				$this->html->form($this->include_java_script(1).
					$this->html->input_hidden('submit_button','',False).
					$this->show($this->complete_array_merge($content,$changes),$sel_options,$readonlys,'exec'),array(
						'etemplate_exec_id' => $id
					),'/etemplate/process_exec.php?menuaction='.$method,'','eTemplate',$GLOBALS['phpgw_info']['etemplate']['form_options']);
			//_debug_array($GLOBALS['phpgw_info']['etemplate']['to_process']); 
			if (!$this->xslt)
			{
				$hooked = $GLOBALS['phpgw']->template->get_var('phpgw_body');
				if (!@$GLOBALS['phpgw_info']['etemplate']['hooked'] && (int) $output_mode != 1)	// not just returning the html
				{
					$GLOBALS['phpgw_info']['flags']['java_script'] .= $this->include_java_script(2);
					$GLOBALS['phpgw']->common->phpgw_header();
				}
				else
				{
					$html = $this->include_java_script(2).$html;	// better than nothing
				}
			}
			else
			{
				$hooked = $GLOBALS['phpgw']->xslttpl->get_var('phpgw');
				$hooked = $hooked['body_data'];
				$GLOBALS['phpgw']->xslttpl->set_var('phpgw',array('java_script' => $GLOBALS['phpgw_info']['flags']['java_script'].$this->include_java_script(2)));
			}

			if ((int) $output_mode != 1)	// NOT returning html
			{
				if (!$this->xslt)
				{
					if (!@$GLOBALS['phpgw_info']['etemplate']['hooked'])
					{
						if((int) $output_mode != 2)
						{
							echo parse_navbar();
						}
						else
						{
							echo '<div id="divMain">'."\n";
						}
					}
					echo $GLOBALS['phpgw_info']['etemplate']['hook_content'].$html;

					if (!@$GLOBALS['phpgw_info']['etemplate']['hooked'] &&
					    (!isset($_GET['menuaction']) || strstr($_SERVER['PHP_SELF'],'process_exec.php')))
					{
						if((int) $output_mode == 2)
						{
							echo "</div>\n";
						}
						$GLOBALS['phpgw']->common->phpgw_footer();
					}
				}
				else
				{
					// need to add some logic here to support popups (output_mode==2) for xslt, but who cares ...
					$GLOBALS['phpgw']->xslttpl->set_var('phpgw',array('body_data' => $html));
				}
			}
			$this->save_appsession($this->as_array(2) + array(
				'readonlys' => $readonlys,
				'content' => $content,
				'changes' => $changes,
				'sel_options' => $sel_options,
				'preserv' => $preserv,
				'extension_data' => $GLOBALS['phpgw_info']['etemplate']['extension_data'],
				'to_process' => $GLOBALS['phpgw_info']['etemplate']['to_process'],
				'java_script' => $GLOBALS['phpgw_info']['etemplate']['java_script'],
				'dom_enabled' => $GLOBALS['phpgw_info']['etemplate']['dom_enabled'],
				'hooked' => $hooked != '' ? $hooked : $GLOBALS['phpgw_info']['etemplate']['hook_content'],
				'app_header' => $GLOBALS['phpgw_info']['flags']['app_header'],
				'output_mode' => $output_mode,
				'session_used' => 0,
				'ignore_validation' => $ignore_validation,
			),$id);

			if ((int) $output_mode == 1)	// return html
			{
					return $html;
			}
		}

		/**
		 * Check if we have not ignored validation errors
		 *
		 * @param string $ignore_validation if not empty regular expression for validation-errors to ignore
		 * @param string $cname name-prefix, which need to be ignored
		 * @return boolean true if there are not ignored validation errors, false otherwise
		 */
		function validation_errors($ignore_validation,$cname='exec')
		{
			//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') validation_error="; _debug_array($GLOBALS['phpgw_info']['etemplate']['validation_errors']);
			if (!$ignore_validation) return count($GLOBALS['phpgw_info']['etemplate']['validation_errors']) > 0;

			foreach($GLOBALS['phpgw_info']['etemplate']['validation_errors'] as $name => $error)
			{
				if ($cname) $name = preg_replace('/^'.$cname.'\[([^\]]+)\](.*)$/','\\1\\2',$name);

				if (!preg_match($ignore_validation,$name))
				{
					//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') name='$name' ($error) not ignored!!!</p>\n";
					return true;
				}
				//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') name='$name' ($error) ignored</p>\n";
			}
			return false;
		}

		/**
		 * Makes the necessary adjustments to _POST before it calls the app's method
		 *
		 * This function is only to submit forms to, create with exec.
		 * All eTemplates / forms executed with exec are submited to this function
		 * via /etemplate/process_exec.php?menuaction=<callback>. We cant use the global index.php as
		 * it would set some constants to etemplate instead of the calling app. 
		 * process_exec then calls process_show for the eTemplate (to adjust the content of the _POST) and
		 * ExecMethod's the given callback from the app with the content of the form as first argument.
		 */
		function process_exec()
		{
			//echo "process_exec: _POST ="; _debug_array($_POST);
			$session_data = $this->get_appsession($_POST['etemplate_exec_id']);
			//echo "<p>process_exec: session_data ="; _debug_array($session_data);

			if (!$_POST['etemplate_exec_id'] || !is_array($session_data) || count($session_data) < 10)
			{
				//echo "uitemplate::process_exec() id='$_POST[etemplate_exec_id]' invalid session-data !!!"; _debug_array($_SESSION);
				// this prevents an empty screen, if the sessiondata gets lost somehow
				$this->location(array('menuaction' => $_GET['menuaction']));
			}
			if (isset($_POST['submit_button']) && !empty($_POST['submit_button']))
			{
				$this->set_array($_POST,$_POST['submit_button'],'pressed');
			}
			$content = $_POST['exec'];
			if (!is_array($content))
			{
				$content = array();
			}
			$this->init($session_data);
			$GLOBALS['phpgw_info']['etemplate']['extension_data'] = $session_data['extension_data'];
			$GLOBALS['phpgw_info']['etemplate']['java_script'] = $session_data['java_script'] || $_POST['java_script'];
			$GLOBALS['phpgw_info']['etemplate']['dom_enabled'] = $session_data['dom_enabled'] || $_POST['dom_enabled'];
			//echo "globals[java_script] = '".$GLOBALS['phpgw_info']['etemplate']['java_script']."', session_data[java_script] = '".$session_data['java_script']."', _POST[java_script] = '".$_POST['java_script']."'\n";
			//echo "process_exec($this->name) content ="; _debug_array($content);
			if ($GLOBALS['phpgw_info']['flags']['currentapp'] != 'etemplate')
			{
				$GLOBALS['phpgw']->translation->add_app('etemplate');	// some extensions have own texts
			}
			$this->process_show($content,$session_data['to_process'],'exec');

			$GLOBALS['phpgw_info']['etemplate']['loop'] |= !$this->canceled && $this->button_pressed &&
				$this->validation_errors($session_data['ignore_validation']);	// set by process_show

			//echo "process_exec($this->name) process_show(content) ="; _debug_array($content);
			//echo "process_exec($this->name) session_data[changes] ="; _debug_array($session_data['changes']);
			$content = $this->complete_array_merge($session_data['changes'],$content);
			//echo "process_exec($this->name) merge(changes,content) ="; _debug_array($content);

			if ($GLOBALS['phpgw_info']['etemplate']['loop'])
			{
				if ($session_data['hooked'] != '')	// set previous phpgw_body if we are called as hook
				{
					if (!$this->xslt)
					{
						//echo "<p>process_exec: hook_content set</p>\n";
						$GLOBALS['phpgw_info']['etemplate']['hook_content'] = $session_data['hooked'];
					}
					else
					{
						$GLOBALS['phpgw']->xslttpl->set_var('phpgw',array('body_data' => $session_data['hooked']));
					}
				}
				if (!empty($session_data['app_header']))
				{
					$GLOBALS['phpgw_info']['flags']['app_header'] = $session_data['app_header'];
				}
				//echo "<p>process_exec($this->name): <font color=red>loop is set</font>, content=</p>\n"; _debug_array($content);
				$this->exec($_GET['menuaction'],$session_data['content'],$session_data['sel_options'],
					$session_data['readonlys'],$session_data['preserv'],$session_data['output_mode'],
					$session_data['ignore_validation'],$content);
			}
			else
			{
				ExecMethod($_GET['menuaction'],$this->complete_array_merge($session_data['preserv'],$content));
			}
		}

		/**
		 * creates HTML from an eTemplate
		 *
		 * This is done by calling show_cell for each cell in the form. show_cell itself
		 * calls show recursivly for each included eTemplate.
		 * You could use it in the UI-layer of an app, just make shure to call process_show !!!
		 * This is intended as internal function and should NOT be called by new app's direct,
		 * as it deals with HTML and is so UI-dependent, use exec instead.
		 *
		 * @internal
		 * @param array $content with content for the cells, keys are the names given in the cells/form elements
		 * @param array $sel_options with options for the selectboxes, keys are the name of the selectbox
		 * @param array $readonlys with names of cells/form-elements to be not allowed to change
		 * 		This is to facilitate complex ACL's which denies access on field-level !!!
		 * @param string $cname basename of names for form-elements, means index in $_POST
		 * 		eg. $cname='cont', element-name = 'name' returned content in $_POST['cont']['name']
		 * @param string $show_c name/index for name expansion
		 * @param string $show_row name/index for name expansion
		 * @return string the generated HTML
		 */
		function show($content,$sel_options='',$readonlys='',$cname='',$show_c=0,$show_row=0)
		{
			if (!$sel_options)
			{
				$sel_options = array();
			}
			// make it globaly availible for show_cell and show_grid
			$this->sel_options =& $sel_options;

			if (!$readonlys)
			{
				$readonlys = array();
			}
			if (++$this->already_showed > 1) return '';	// prefens infinit self-inclusion

			if (is_int($this->debug) && $this->debug >= 1 || $this->name && $this->debug == $this->name)
			{
				echo "<p>etemplate.show($this->name): $cname =\n"; _debug_array($content);
				echo "readonlys="; _debug_array($readonlys);
			}
			if (!is_array($content))
			{
				$content = array();	// happens if incl. template has no content
			}
			$html = "\n\n<!-- BEGIN eTemplate $this->name -->\n\n";
			if (!$GLOBALS['phpgw_info']['etemplate']['styles_included'][$this->name])
			{
				$GLOBALS['phpgw_info']['etemplate']['styles_included'][$this->name] = True;
				$html .= $this->html->style($this->style)."\n\n";
			}
			$path = '/';
			foreach ($this->children as $n => $child)
			{
				$html .= $this->show_cell($child,$content,$readonlys,$cname,$show_c,$show_row,$nul,$nul,$path.$n);
			}
			return $html."<!-- END eTemplate $this->name -->\n\n";
		}
			
		/**
		 * creates HTML from an eTemplate
		 *
		 * This is done by calling show_cell for each cell in the form. show_cell itself
		 * calls show recursivly for each included eTemplate.
		 * You can use it in the UI-layer of an app, just make shure to call process_show !!!
		 * This is intended as internal function and should NOT be called by new app's direct,
		 * as it deals with HTML and is so UI-dependent, use exec instead.
		 *
		 * @internal
		 * @param array $grid representing a grid
		 * @param array $content with content for the cells, keys are the names given in the cells/form elements
		 * @param array $readonlys with names of cells/form-elements to be not allowed to change
		 * 		This is to facilitate complex ACL's which denies access on field-level !!!
		 * @param string $cname basename of names for form-elements, means index in $_POST
		 *		eg. $cname='cont', element-name = 'name' returned content in $_POST['cont']['name']
		 * @param string $show_c name/index for name expansion
		 * @param string $show_row name/index for name expansion
		 * @param string $path path in the widget tree
		 * @return string the generated HTML
		 */
		function show_grid(&$grid,$content,$readonlys='',$cname='',$show_c=0,$show_row=0,$path='')
		{
			if (!$readonlys)
			{
				$readonlys = array();
			}
			if (is_int($this->debug) && $this->debug >= 2 || $grid['name'] && $this->debug == $grid['name'] ||
				$this->name && $this->debug == $this->name)
			{
				echo "<p>etemplate.show_grid($grid[name]): $cname =\n"; _debug_array($content);
			}
			if (!is_array($content))
			{
				$content = array();	// happens if incl. template has no content
			}
			$content += array(	// for var-expansion in names in show_cell
				'.c' => $show_c,
				'.col' => $this->num2chrs($show_c-1),
				'.row' => $show_row
			);
			$data = &$grid['data'];
			reset($data);
			if (isset($data[0]))
			{
				list(,$opts) = each($data);
			}
			else
			{
				$opts = array();
			}
			for ($r = 0; $row = 1+$r /*list($row,$cols) = each($data)*/; ++$r)
			{
				if (!(list($r_key) = each($data)))	// no further row
				{
					if (!(($this->autorepeat_idx($cols['A'],0,$r,$idx,$idx_cname) && $idx_cname) ||
					    (substr($cols['A']['type'],1) == 'box' && $this->autorepeat_idx($cols['A'][1],0,$r,$idx,$idx_cname) && $idx_cname) ||
						($this->autorepeat_idx($cols['B'],1,$r,$idx,$idx_cname) && $idx_cname)) ||
						!$this->isset_array($content,$idx_cname))
					{
						break;                     	// no auto-row-repeat
					}
				}
				else
				{
					$cols = &$data[$r_key];
					list($height,$disabled) = explode(',',$opts["h$row"]);
					$class = /*TEST-RB$no_table_tr ? $tr_class :*/ $opts["c$row"];
				}
				if ($disabled != '' && $this->check_disabled($disabled,$content))
				{
					continue;	// row is disabled
				}
				$rows[".$row"] .= $this->html->formatOptions($height,'HEIGHT');
				list($cl) = explode(',',$class);
				if ($cl == 'nmr' || $cl == 'row')
				{
					$cl = 'row_'.($nmr_alternate++ & 1 ? 'off' : 'on'); // alternate color
				}
				$cl = isset($this->class_conf[$cl]) ? $this->class_conf[$cl] : $cl;
				$rows[".$row"] .= $this->html->formatOptions($cl,'CLASS');
				$rows[".$row"] .= $this->html->formatOptions($class,',VALIGN');

				reset ($cols);
				$row_data = array();
				for ($c = 0; True /*list($col,$cell) = each($cols)*/; ++$c)
				{
					$col = $this->num2chrs($c);
					if (!(list($c_key) = each($cols)))		// no further cols
					{
						if (!$this->autorepeat_idx($cell,$c,$r,$idx,$idx_cname,True) ||
							!$this->isset_array($content,$idx))
						{
							break;	// no auto-col-repeat
						}
					}
					else
					{
						$cell = &$cols[$c_key];
						list($col_width,$col_disabled) = explode(',',$opts[$col]);

						if (!$cell['height'])	// if not set, cell-height = height of row
						{
							$cell['height'] = $height;
						}
						if (!$cell['width'])	// if not set, cell-width = width of column or table
						{
							list($col_span) = explode(',',$cell['span']);
							if ($col_span == 'all' && !$c)
							{
								list($cell['width']) = explode(',',$this->size);
							}
							else
							{
								$cell['width'] = $col_width;
							}
						}
					}
					/*TEST-RB
					if ($cell['type'] == 'template' && $cell['onchange'])
					{
						$cell['tr_class'] = $cl;
					}*/
					if ($col_disabled != '' && $this->check_disabled($col_disabled,$content))
					{
						continue;	// col is disabled
					}
					$row_data[$col] = $this->show_cell($cell,$content,$readonlys,$cname,$c,$r,$span,$cl,$path.'/'.$r_key.$c_key);

					if ($row_data[$col] == '' && $this->rows == 1)
					{
						unset($row_data[$col]);	// omit empty/disabled cells if only one row
						continue;
					}
					/* TEST-RB
					if ($cell['onclick'])	// can only be set via source at the moment
					{
						$row_data[".$col"] .= ' onClick="'.$cell['onclick'].'"';

						if ($cell['id'])
						{
							$row_data[".$col"] .= ' ID="'.$cell['id'].'"';
						}
					}*/
					$colspan = $span == 'all' ? $this->cols-$c : 0+$span;
					if ($colspan > 1)
					{
						$row_data[".$col"] .= " COLSPAN=\"$colspan\"";
						for ($i = 1; $i < $colspan; ++$i,++$c)
						{
							each($cols);	// skip next cell(s)
						}
					}
					else
					{
						list($width,$disable) = explode(',',$opts[$col]);
						if ($width)		// width only once for a non colspan cell
						{
							$row_data[".$col"] .= " WIDTH=\"$width\"";
							$opts[$col] = "0,$disable";
						}
					}
					$row_data[".$col"] .= $this->html->formatOptions($cell['align']?$cell['align']:'left','ALIGN');
					$cl = $this->expand_name(isset($this->class_conf[$cl]) ? $this->class_conf[$cl] : $cl,
						$c,$r,$show_c,$show_row,$content);
					$row_data[".$col"] .= $this->html->formatOptions($cl,'CLASS');
				}
				$rows[$row] = $row_data;
			}

			$html = $this->html->table($rows,$this->html->formatOptions($grid['size'],'WIDTH,HEIGHT,BORDER,CLASS,CELLSPACING,CELLPADDING')/*TEST-RB,$no_table_tr*/);

			list($width,$height,,,,,$overflow) = explode(',',$grid['size']);
			if (!empty($overflow)) {
				$div_style=' STYLE="'.($width?"width: $width; ":'').($height ? "height: $height; ":'')."overflow: $overflow\"";
				$html = $this->html->div($html,$div_style);
			}
			return "\n\n<!-- BEGIN grid $grid[name] -->\n$html<!-- END grid $grid[name] -->\n\n";
		}
		
		/**
		 * build the name of a form-element from a basename and name
		 *
		 * name and basename can contain sub-indices in square bracets, eg. basename="base[basesub1][basesub2]" 
		 * and name = "name[sub]" gives "base[basesub1][basesub2][name][sub]"
		 *
		 * @param string $cname basename
		 * @param string $name name
		 * @return string complete form-name
		 */
		function form_name($cname,$name)
		{
			$name_parts = explode('[',str_replace(']','',$name));
			if (!empty($cname))
			{
				array_unshift($name_parts,$cname);
			}
			$form_name = array_shift($name_parts);
			if (count($name_parts))
			{
				$form_name .= '['.implode('][',$name_parts).']';
			}
			return $form_name;
		}

		/**
		 * generates HTML for 1 input-field / cell
		 *
		 * calls show to generate included eTemplates. Again only an INTERMAL function.
		 *
		 * @internal
		 * @param array $cell with data of the cell: name, type, ...
		 * @param array $content with content for the cells, keys are the names given in the cells/form elements
		 * @param array $readonlys with names of cells/form-elements to be not allowed to change
		 * 		This is to facilitate complex ACL's which denies access on field-level !!!
		 * @param string $cname basename of names for form-elements, means index in $_POST
		 *		eg. $cname='cont', element-name = 'name' returned content in $_POST['cont']['name']
		 * @param string $show_c name/index for name expansion
		 * @param string $show_row name/index for name expansion
		 * @param string &$span on return number of cells to span or 'all' for the rest (only used for grids)
		 * @param string &$class on return the css class of the cell, to be set in the <td> tag
		 * @param string $path path in the widget tree
		 * @return string the generated HTML
		*/
		function show_cell($cell,$content,$readonlys,$cname,$show_c,$show_row,&$span,&$class,$path='')
		{
			if ($this->debug && (is_int($this->debug) && $this->debug >= 3 || $this->debug == $cell['type']))
			{
				echo "<p>etemplate.show_cell($this->name,name='${cell['name']}',type='${cell['type']}',cname='$cname')</p>\n";
			}
			list($span) = explode(',',$cell['span']);	// evtl. overriten later for type template

			if ($cell['name'][0] == '@' && $cell['type'] != 'template')
			{
				$cell['name'] = $this->get_array($content,substr($cell['name'],1));
			}
			$name = $this->expand_name($cell['name'],$show_c,$show_row,$content['.c'],$content['.row'],$content);

			$form_name = $this->form_name($cname,$name);

			$value = $this->get_array($content,$name);

			if ($readonly = $cell['readonly'] || @$readonlys[$name] && !is_array($readonlys[$name]) || $readonlys['__ALL__'])
			{
				$options .= ' READONLY';
			}
			if ($cell['disabled'] || $readonly && $cell['type'] == 'button' && !strstr($cell['size'],','))
			{
				if ($this->rows == 1) {
					return '';	// if only one row omit cell
				}
				$cell = $this->empty_cell(); // show nothing
				$value = '';
			}
			$extra_label = True;

			list($type,$sub_type) = explode('-',$cell['type']);
			if ((!$this->types[$cell['type']] || !empty($sub_type)) && $this->haveExtension($type,'pre_process'))
			{
				$ext_type = $type;
				$extra_label = $this->extensionPreProcess($ext_type,$form_name,$value,$cell,$readonlys[$name]);

				$readonly = $readonly || $cell['readonly'];	// might be set by extension
				$this->set_array($content,$name,$value);
			}
			list(,$class) = explode(',',$cell['span']);	// might be set by extension

			$cell_options = $cell['size'];
			if (strchr($cell_options,'$'))
			{
				$cell_options = $this->expand_name($cell_options,$show_c,$show_row,$content['.c'],$content['.row'],$content);
			}
			if ($cell_options[0] == '@')
			{
				$cell_options = $this->get_array($content,substr($cell_options,1));
			}
			$label = $this->expand_name($cell['label'],$show_c,$show_row,$content['.c'],$content['.row'],$content);
			$help = $cell['help'];
			if ($help[0] == '@')
			{
				$help = $this->get_array($content,substr($help,1));
			}
			$blur = $cell['blur'][0] == '@' ? $this->get_array($content,substr($cell['blur'],1)) :
				(strlen($cell['blur']) <= 1 ? $cell['blur'] : lang($cell['blur']));

			if ($this->java_script())
			{
				if ($blur)
				{
					if (empty($value))
					{
						$value = $blur;
					}
					$onFocus .= "if(this.value=='".addslashes($this->html->htmlspecialchars($blur))."') this.value='';";
					$onBlur  .= "if(this.value=='') this.value='".addslashes($this->html->htmlspecialchars($blur))."';";
				}
				if ($help)
				{
					if ((int)$cell['no_lang'] < 2)
					{
						$help = lang($help);
					}
					$onFocus .= "self.status='".addslashes($this->html->htmlspecialchars($help))."'; return true;";
					$onBlur  .= "self.status=''; return true;";
					if ($cell['type'] == 'button' || $cell['type'] == 'file')	// for button additionally when mouse over button
					{
						$options .= " onMouseOver=\"self.status='".addslashes($this->html->htmlspecialchars($help))."'; return true;\"";
						$options .= " onMouseOut=\"self.status=''; return true;\"";
					}
				}
				if ($onBlur)
				{
					$options .= " onFocus=\"$onFocus\" onBlur=\"$onBlur\"";
				}
				if ($cell['onchange'] && $cell['type'] != 'button') // values != '1' can only set by a program (not in the editor so fa
				{
					$options .= ' onChange="'.($cell['onchange']=='1'?'this.form.submit();':$cell['onchange']).'"';
				}
			}
			if ($form_name != '')
			{
				$options = "id=\"$form_name\" $options";
			}
			list($type,$sub_type) = explode('-',$cell['type']);
			switch ($type)
			{
				case 'label':		//  size: [[b]old][[i]talic][,link][,activate_links][,label_for]
					if (is_array($value))
						break;
					list($style,$extra_link,$activate_links,$label_for) = explode(',',$cell_options);
					$value = strlen($value) > 1 && !$cell['no_lang'] ? lang($value) : $value;
					$value = nl2br($this->html->htmlspecialchars($value));
					if ($activate_links) $value = $this->html->activate_links($value);
					if ($value != '' && strstr($style,'b')) $value = $this->html->bold($value);
					if ($value != '' && strstr($style,'i')) $value = $this->html->italic($value);
					$html .= $value;
					break;
				case 'html':
					$extra_link = $cell_options;
					$html .= $value;
					break;
				case 'int':		// size: [min][,[max][,len]]
				case 'float':
					list($min,$max,$cell_options) = explode(',',$cell_options);
					if ($cell_options == '')
					{
						$cell_options = $cell['type'] == 'int' ? 5 : 8;
					}
					$cell_options .= ',,'.($cell['type'] == 'int' ? '/^-?[0-9]*$/' : '/^-?[0-9]*[,.]?[0-9]*$/');
					// fall-through
				case 'text':		// size: [length][,maxLength[,preg]]
					if ($readonly)
					{
						$html .= $this->html->bold($this->html->htmlspecialchars($value));
					}
					else
					{
						$html .= $this->html->input($form_name,$value,'',
							$options.$this->html->formatOptions($cell_options,'SIZE,MAXLENGTH'));
						$cell_options = explode(',',$cell_options,3);
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] =  array(
							'type'      => $cell['type'],
							'maxlength' => $cell_options[1],
							'needed'    => $cell['needed'],
							'preg'      => $cell_options[2],
							'min'       => $min,	// int and float only
							'max'       => $max,
						);
					}
					break;
				case 'textarea':	// Multiline Text Input, size: [rows][,cols]
					$html .= $this->html->textarea($form_name,$value,
						$options.$this->html->formatOptions($cell_options,'ROWS,COLS'));
					if (!$readonly)
					{
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] =  array(
							'type'      => $cell['type'],
							'needed'    => $cell['needed'],
						);
					}
					break;
				case 'htmlarea':	// Multiline formatted Text Input, size: [inline styles for the widget][,plugins (comma-sep.)]
					if (!$readonly)
					{
						list($styles,$plugins) = explode(',',$cell_options,2);
						$html .= $this->html->htmlarea($form_name,$value,$styles,'',$plugins);
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] =  array(
							'type'      => $cell['type'],
							'needed'    => $cell['needed'],
						);
					}
					else
					{
						$html .= $this->html->div($this->html->activate_links($value),'style="overflow: auto; border: thin inset black;'.$cell_options.'"');
					}
					break;
				case 'checkbox':
					if (!empty($cell_options))
					{
						list($true_val,$false_val,$ro_true,$ro_false) = explode(',',$cell_options);
						$value = $value == $true_val;
					}
					else
					{
						$ro_true = 'x';
						$ro_false = '';
					}
					if ($value)
					{
						$options .= ' checked="1"';
					}
					if ($readonly)
					{
						$html .= $value ? $this->html->bold($ro_true) : $ro_false;
					}
					else
					{
						$html .= $this->html->input($form_name,'1','CHECKBOX',$options);
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = array(
							'type' => $cell['type'],
							'values' => $cell_options
						);
					}
					break;
				case 'radio':		// size: value if checked
					$set_val = $this->expand_name($cell_options,$show_c,$show_row,$content['.c'],$content['.row'],$content);

					if ($value == $set_val)
					{
						$options .= ' checked="1"';
					}
					// add the set_val to the id to make it unique
					$options = str_replace('id="'.$form_name,'id="'.$form_name."[$set_val]",$options);

					if ($readonly)
					{
						$html .= $value == $set_val ? $this->html->bold('x') : '';
					}
					else
					{
						$html .= $this->html->input($form_name,$set_val,'RADIO',$options);
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = $cell['type'];
					}
					break;
				case 'button':
				case 'cancel':	// cancel button
					list($app) = explode('.',$this->name);
					list($img,$ro_img) = explode(',',$cell_options);
					$title = strlen($label) <= 1 || $cell['no_lang'] ? $label : lang($label);
					if ($cell['onclick'] &&
						($onclick = $this->expand_name($cell['onclick'],$show_c,$show_row,$content['.c'],$content['.row'],$content)))
					{
						
						if (preg_match("/egw::link\\('([^']+)','([^']+)'\\)/",$onclick,$matches))
						{
							$url = $GLOBALS['phpgw']->link($matches[1],$matches[2]);
							$onclick = preg_replace('/egw::link\(\'([^\']+)\',\'([^\']+)\'\)/','\''.$url.'\'',$onclick);
						}
						elseif (preg_match('/^return confirm\(["\']{1}(.*)["\']{1}\);?$/',$cell['onclick'],$matches))
						{
							$question = lang($matches[1]).(substr($matches[1],-1) != '?' ? '?' : '');	// add ? if not there, saves extra phrase
							$onclick = "return confirm('".str_replace('\'','\\\'',$this->html->htmlspecialchars($question))."');";
						}
					}
					if ($this->java_script() && ($cell['onchange'] != '' || $img && !$readonly) && !$cell['needed']) // use a link instead of a button
					{
						$onclick = ($onclick ? preg_replace('/^return(.*);$/','if (\\1) ',$onclick) : '').
							(($cell['onchange'] == 1 || $img) ? "return submitit(document.eTemplate,'$form_name');" : $cell['onchange']).'; return false;';
						
						if (!$this->html->netscape4 && substr($img,-1) == '%' && is_numeric($percent = substr($img,0,-1)))
						{
							$html .= $this->html->progressbar($percent,$title,'onclick="'.$onclick.'" '.$options);
						}
						else
						{
							$html .= '<a href="" onClick="'.$onclick.'" '.$options.'>' .
								($img ? $this->html->image($app,$img,$title,'border="0"') : $title) . '</a>';
						}
					}
					else
					{
						if (!empty($img))
						{
							$options .= ' title="'.$title.'"';
						}
						if ($cell['onchange'] && $cell['onchange'] != 1)
						{
							$onclick = ($onclick ? preg_replace('/^return(.*);$/','if (\\1) ',$onclick) : '').$cell['onchange'];
						}
						$html .= !$readonly ? $this->html->submit_button($form_name,$label,$onclick,
							strlen($label) <= 1 || $cell['no_lang'],$options,$img,$app) :
							$this->html->image($app,$ro_img);
					}
					$extra_label = False;
					if (!$readonly)
					{
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = $cell['type'];
						if (strtolower($name) == 'cancel')
						{
							$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = 'cancel';
						}
					}
					break;
				case 'hrule':
					$html .= $this->html->hr($cell_options);
					break;
				case 'grid':
					if ($readonly)
					{
						if (!is_array($readonlys)) $readonlys = array();
						$readonlys['__ALL__'] = True;
					}
					if ($name != '')
					{
						$cname .= $cname == '' ? $name : '['.str_replace('[','][',str_replace(']','',$name)).']';
					}
					$html .= $this->show_grid($cell,$name ? $value : $content,$readonlys,$cname,$show_c,$show_row,$path);
					break;
				case 'template':	// size: index in content-array (if not full content is past further on)
					if (is_object($cell['name']))
					{
						$cell['obj'] = &$cell['name'];
						unset($cell['name']);
						$cell['name'] = 'was Object';
						echo "<p>Object in Name in tpl '$this->name': "; _debug_array($grid);
					}
					$obj_read = 'already loaded';
					if (is_array($cell['obj']))
					{
						$obj =& new etemplate();
						$obj->init($cell['obj']);
						$cell['obj'] =& $obj;
						unset($obj);
					}
					if (!is_object($cell['obj']))
					{
						if ($cell['name'][0] == '@')
						{
							$cell['obj'] = $this->get_array($content,substr($cell['name'],1));
							$obj_read = is_object($cell['obj']) ? 'obj from content' : 'obj read, obj-name from content';
							if (!is_object($cell['obj']))
							{
								$cell['obj'] = new etemplate($cell['obj'],$this->as_array());
							}
						}
						else
						{  $obj_read = 'obj read';
							$cell['obj'] = new etemplate($name,$this->as_array());
						}
					}
					if (is_int($this->debug) && $this->debug >= 3 || $this->debug == $cell['type'])
					{
						echo "<p>show_cell::template(tpl=$this->name,name=$cell[name]): $obj_read</p>\n";
					}
					if ($this->autorepeat_idx($cell,$show_c,$show_row,$idx,$idx_cname) || $cell_options != '')
					{
						if ($span == '' && isset($content[$idx]['span']))
						{	// this allows a colspan in autorepeated cells like the editor
							list($span) = explode(',',$content[$idx]['span']);
							if ($span == 'all')
							{
								$span = 1 + $content['cols'] - $show_c;
							}
						}
						$readonlys = $this->get_array($readonlys,$idx); //$readonlys[$idx];
						$content = $this->get_array($content,$idx); // $content[$idx];
						if ($idx_cname != '')
						{
							$cname .= $cname == '' ? $idx_cname : '['.str_replace('[','][',str_replace(']','',$idx_cname)).']';
						}
						//echo "<p>show_cell-autorepeat($name,$show_c,$show_row,cname='$cname',idx='$idx',idx_cname='$idx_cname',span='$span'): content ="; _debug_array($content);
					}
					if ($readonly)
					{
						if (!is_array($readonlys)) $readonlys = array();
						$readonlys['__ALL__'] = True;
					}
					// propagate our onclick handler to embeded templates, if they dont have their own
					if (!isset($cell['obj']->onclick_handler)) $cell['obj']->onclick_handler = $this->onclick_handler;
					if ($cell['obj']->no_onclick)
					{
						$cell['obj']->onclick_proxy = $this->onclick_proxy ? $this->onclick_proxy : $this->name.':'.$this->version.':'.$path;
					}
					$html = $cell['obj']->show($content,$this->sel_options,$readonlys,$cname,$show_c,$show_row);
					break;
				case 'select':	// size:[linesOnMultiselect|emptyLabel]
					$sels = array();
					list($multiple) = explode(',',$cell_options);
					if (!empty($multiple) && 0+$multiple <= 0)
					{
						$sels[''] = $multiple < 0 ? 'all' : $multiple;
						// extra-option: no_lang=0 gets translated later and no_lang=1 gets translated too (now), only no_lang>1 gets not translated
						if ((int)$cell['no_lang'] == 1)
						{
							$sels[''] = substr($sels[''],-3) == '...' ? lang(substr($sels[''],0,-3)).'...' : lang($sels['']);
						}
						$multiple = 0;
					}
					if (!empty($cell['sel_options']))
					{
						if (!is_array($cell['sel_options']))
						{
							$opts = explode(',',$cell['sel_options']);
							while (list(,$opt) = each($opts))
							{
								list($k,$v) = explode('=',$opt);
								$sels[$k] = $v;
							}
						}
						else
						{
							$sels += $cell['sel_options'];
						}
					}
					if (isset($this->sel_options[$name]) && is_array($this->sel_options[$name]))
					{
						$sels += $this->sel_options[$name];
					}
					else
					{
						$name_parts = explode('[',str_replace(']','',$name));
						if (count($name_parts))
						{
							$org_name = $name_parts[count($name_parts)-1];
							if (isset($this->sel_options[$org_name]) && is_array($this->sel_options[$org_name]))
							{
								$sels += $this->sel_options[$org_name];
							}
							elseif (isset($this->sel_options[$name_parts[0]]) && is_array($this->sel_options[$name_parts[0]]))
							{
								$sels += $this->sel_options[$name_parts[0]];
							}
						}
					}
					if (isset($content["options-$name"]))
					{
						$sels += $content["options-$name"];
					}
					if ($multiple && !is_array($value)) $value = explode(',',$value);
					if ($readonly)
					{
						if ($multiple)
						{
							foreach($multiple ? $value : array($value) as $val)
							{
								$html .= ($html?"<br>\n":'').$this->html->htmlspecialchars($cell['no_lang'] ? $sels[$val] : lang($sels[$val]));
							}
						}
						else
						{
							$html .= $this->html->htmlspecialchars($cell['no_lang'] ? $sels[$value] : lang($sels[$value]));
						}
					}
					else
					{
						if ($multiple && is_numeric($multiple))	// eg. "3+" would give a regular multiselectbox
						{
							$html .= $this->html->checkbox_multiselect($form_name.($multiple > 1 ? '[]' : ''),$value,$sels,
								$cell['no_lang'],$options,$multiple);
						}
						else
						{
							$html .= $this->html->select($form_name.($multiple > 1 ? '[]' : ''),$value,$sels,
								$cell['no_lang'],$options,$multiple);
						}
						if (!isset($GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]))
						{
							$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = $cell['type'];
						}
					}
					break;
				case 'image':
					$image = $value != '' ? $value : $name;
					$image = $this->html->image(substr($this->name,0,strpos($this->name,'.')),
						$image,strlen($label) > 1 && !$cell['no_lang'] ? lang($label) : $label,'border="0"');
					$html .= $image;
					list($extra_link,$extra_link_target) = explode(',',$cell['size']);
					$extra_label = False;
					break;
				case 'file':
					if (!$readonly)
					{
						$html .= $this->html->input_hidden($path_name = str_replace($name,$name.'_path',$form_name),'.');
						$html .= $this->html->input($form_name,'','file',$options);
						$GLOBALS['phpgw_info']['etemplate']['form_options'] =
							"enctype=\"multipart/form-data\" onSubmit=\"set_element2(this,'$path_name','$form_name')\"";
						$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = $cell['type'];
					}
					break;
				case 'vbox':
				case 'hbox':
				case 'groupbox':
				case 'box':
					$rows = array();
					$box_row = 1;
					$box_col = 'A';
					$box_anz = 0;
					list($num,$orient) = explode(',',$cell_options);
					if (!$orient) $orient = $type == 'hbox' ? 'horizontal' : ($type == 'box' ? false : 'vertical');
					for ($n = 1; $n <= (int) $num; ++$n)
					{
						$h = $this->show_cell($cell[$n],$content,$readonlys,$cname,$show_c,$show_row,$nul,$cl,$path.'/'.$n);
						if ($h != '' && $h != '&nbsp;')
						{
							if ($orient != 'horizontal')
							{
								$box_row = $n;
							}
							else
							{
								$box_col = $this->num2chrs($n);
							}
							if (!$orient)
							{
								$html .= $h;
							}
							else
							{
								$rows[$box_row][$box_col] = $html = $h;
							}
							$box_anz++;
							if ($cell[$n]['align'])
							{
								$rows[$box_row]['.'.$box_col] = $this->html->formatOptions($cell[$n]['align'],'ALIGN');
							}
							$cl = $this->expand_name(isset($this->class_conf[$cl]) ? $this->class_conf[$cl] : $cl,
								$show_c,$show_row,$content['.c'],$content['.row'],$content);
							$rows[$box_row]['.'.$box_col] .= $this->html->formatOptions($cl,'CLASS');
						}
					}
					if ($box_anz > 1 && $orient)	// a single cell is NOT placed into a table
					{
						$html = $this->html->table($rows,$this->html->formatOptions($cell_options,',,CELLPADDING,CELLSPACING').
							($cell['align'] && $orient != 'horizontal' ? ' WIDTH="100%"' : ''));	// alignment only works if table has full width
					}
					if ($type == 'groupbox')
					{
						if (strlen($label) > 1 && $cell['label'] == $label)
						{
							$label = lang($label);
						}
						$html = $this->html->fieldset($html,$label);
					}
					elseif (!$orient)
					{
						$html = $this->html->div($html,$this->html->formatOptions(array(
								$cell['height'],
								$cell['width'],
								$cell['class'],
							),'HEIGHT,WIDTH,CLASS'));
					}
					if ($box_anz > 1)	// small docu in the html-source
					{
						$html = "\n\n<!-- BEGIN $cell[type] -->\n\n".$html."\n\n<!-- END $cell[type] -->\n\n";
					}
					$extra_label = False;
					break;
				case 'deck':
					for ($n = 1; $n <= $cell_options && (empty($value) || $value != $cell[$n]['name']); ++$n) ;
					if ($n > $cell_options)
					{
						$value = $cell[1]['name'];
					}
					if ($s_width = $cell['width'])
					{
						$s_width = "width: $s_width".(substr($s_width,-1) != '%' ? 'px' : '').';';
					}
					if ($s_height = $cell['height'])
					{
						$s_height = "height: $s_height".(substr($s_height,-1) != '%' ? 'px' : '').';';
					}
					for ($n = 1; $n <= $cell_options; ++$n)
					{
						$h = $this->show_cell($cell[$n],$content,$readonlys,$cname,$show_c,$show_row,$path.'/'.$n);
						$vis = !empty($value) && $value == $cell_options[$n]['name'] || $n == 1 && $first ? 'visible' : 'hidden';
						list (,$cl) = explode(',',$cell[$n]['span']);
						$html .= $this->html->div($h,$this->html->formatOptions(array(
							$cl.($cl ? ' ':'').'tab_body',
							"$s_width $s_height position: absolute; left: 0px; top: 0px; visibility: $vis; z-index: 50;",
							$cell[$n]['name']
						),'CLASS,STYLE,ID'));
					}
					$html .= $this->html->input_hidden($form_name,$value);	// to store active plane
					
					list (,$cl) = explode(',',$cell['span']);
					$html = $this->html->input_hidden($form_name,$value)."\n".	// to store active plane
						$this->html->div($html,$this->html->formatOptions(array(
							$cl,
							"$s_width $s_height position: relative; z-index: 100;"
						),'CLASS,STYLE'));
					break;
				default:
					if ($ext_type && $this->haveExtension($ext_type,'render'))
					{
						$html .= $this->extensionRender($ext_type,$form_name,$value,$cell,$readonly);
					}
					else
					{
						$html .= "<i>unknown type '$cell[type]'</i>";
					}
					break;
			}
			// extension-processing need to be after all other and only with diff. name
			if ($ext_type && !$readonly && $this->haveExtension($ext_type,'post_process'))	
			{	// unset it first, if it is already set, to be after the other widgets of the ext.
				$to_process = 'ext-'.$ext_type;
				if (is_array($GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]))
				{
					$to_process = $GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name];
					$to_process['type'] = 'ext-'.$ext_type;
				}
				unset($GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]);
				$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = $to_process;
			}
			// save blur-value to strip it in process_exec
			if (!empty($blur) && isset($GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]))
			{
				if (!is_array($GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]))
				{
					$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name] = array(
						'type' => $GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]
					);
				}
				$GLOBALS['phpgw_info']['etemplate']['to_process'][$form_name]['blur'] = $blur;
			}
			if ($extra_label && ($label != '' || $html == ''))
			{
				if (strlen($label) > 1 && !($cell['no_lang'] && $cell['label'] != $label || (int)$cell['no_lang'] == 2))
				{
					$label = lang($label);
				}
				$accesskey = false;
				if (($accesskey = strstr($label,'&')) && $accesskey[1] != ' ' && $form_name != '' &&
				    (($pos = strpos($accesskey,';')) === False || $pos > 5))
				{
					$label = str_replace('&'.$accesskey[1],'<u>'.$accesskey[1].'</u>',$label);
					$accesskey = $accesskey[1];
				}
				if ($label && ($accesskey || $label_for || $cell['name']))
				{
					$label = $this->html->label($label,$label_for ? $this->form_name($cname,$label_for) : 
						$form_name.($set_val?"[$set_val]":''),$accesskey);
				}
				if ($type == 'radio' || $type == 'checkbox' || strstr($label,'%s'))	// default for radio is label after the button
				{
					$html = strstr($label,'%s') ? str_replace('%s',$html,$label) : $html.' '.$label;
				}
				elseif (($html = $label . ' ' . $html) == ' ')
				{
					$html = '&nbsp;';
				}
			}
			if ($extra_link)
			{
				$extra_link = $this->expand_name($extra_link,$show_c,$show_row,$content['.c'],$content['.row'],$content);
				if ($extra_link[0] == '@')
				{
					$extra_link = $this->get_array($content,substr($extra_link,1));
				}
				if ($extra_link)
				{
					$options = " onMouseOver=\"self.status='".addslashes(lang($help))."'; return true;\"";
					$options .= " onMouseOut=\"self.status=''; return true;\"";
					if ($extra_link_target) $options .= ' target="'.$extra_link_target.'"';
					return $this->html->a_href($html,$extra_link,'',$help != '' ? $options : '');
				}
			}
			// if necessary show validation-error behind field
			if (isset($GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name]))
			{
				$html .= ' <font color="red">'.$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name].'</font>';
			}
			// generate an extra div, if we have an onclick handler and NO children or it's an extension
			//echo "<p>$this->name($this->onclick_handler:$this->no_onclick:$this->onclick_proxy): $cell[type]/$cell[name]</p>\n";
			if ($this->onclick_handler && !isset($this->widgets_with_children[$cell['type']]))
			{
				$handler = str_replace('%p',$this->no_onclick ? $this->onclick_proxy : $this->name.':'.$this->version.':'.$path,
					$this->onclick_handler);
				if ($type == 'button' || !$label)	// add something to click on
				{
					$html = (substr($html,-1) == "\n" ? substr($html,0,-1) : $html).'&nbsp;';
				}
				return $this->html->div($html,' ondblclick="'.$handler.'"','clickWidgetToEdit');
			}
			return $html;
		}

		/**
		 * applies stripslashes recursivly on each element of an array
		 * 
		 * @param array &$var 
		 * @return array
		 */
		function array_stripslashes($var)
		{
			if (!is_array($var))
			{
				return stripslashes($var);
			}
			foreach($var as $key => $val)
			{
				$var[$key] = is_array($val) ? $this->array_stripslashes($val) : stripslashes($val);
			}
			return $var;
		}

		/**
		 * makes necessary adjustments on $_POST after a eTemplate / form gots submitted
		 *
		 * This is only an internal function, dont call it direct use only exec
		 * Process_show uses a list of input-fields/widgets generated by show.
		 *
		 * @internal
		 * @param array $content $_POST[$cname], on return the adjusted content
		 * @param array $to_process list of widgets/form-fields to process
		 * @param string $cname basename of our returnt content (same as in call to show)
		 * @return int number of validation errors (the adjusted content is returned by the var-param &$content !)
		*/
		function process_show(&$content,$to_process,$cname='')
		{
			if (!isset($content) || !is_array($content) || !is_array($to_process))
			{
				return;
			}
			if (is_int($this->debug) && $this->debug >= 1 || $this->debug == $this->name && $this->name)
			{
				echo "<p>process_show($this->name) cname='$cname' start: content ="; _debug_array($content);
			}
			$content_in = $cname ? array($cname => $content) : $content;
			$content = array();
			if (get_magic_quotes_gpc())
			{
				$content_in = $this->array_stripslashes($content_in);
			}
			$GLOBALS['phpgw_info']['etemplate']['validation_errors'] = array();
			$this->canceled = $this->button_pressed = False;

			foreach($to_process as $form_name => $type)
			{
				if (is_array($type))
				{
					$attr = $type;
					$type = $attr['type'];
				}
				else
				{
					$attr = array();
				}
				$value = $this->get_array($content_in,$form_name,True);

				if (isset($attr['blur']) && $attr['blur'] == $value)
				{
					$value = '';	// blur-values is equal to emtpy
				}
				// echo "<p>process_show($this->name) $type: $form_name = '$value'</p>\n";
				list($type,$sub) = explode('-',$type);
				switch ($type)
				{
					case 'ext':
						$_cont = &$this->get_array($content,$form_name,True);
						if (!$this->extensionPostProcess($sub,$form_name,$_cont,$value))
						{
							$this->unset_array($content,$form_name);
						}
						// this else should NOT be unnecessary as $_cont is a reference to the index 
						// $form_name of $content, but under some circumstances a set/changed $_cont
						// does not result in a change in $content -- RalfBecker 2004/09/18
						elseif ($_cont && !$this->isset_array($content,$form_name))
						{
							$this->set_array($content,$form_name,$_cont);
						}
						if ($_cont === '' && $attr['needed'])
						{
							$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang('Field must not be empty !!!',$value);
						}
						break;
					case 'htmlarea':
						$this->set_array($content,$form_name,$value);
						break;
					case 'int':
					case 'float':
					case 'text':
					case 'textarea':
						if ($value === '' && $attr['needed'])
						{
							$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang('Field must not be empty !!!',$value);
						}
						if ((int) $attr['maxlength'] > 0 && strlen($value) > (int) $attr['maxlength'])
						{
							$value = substr($value,0,(int) $attr['maxlength']);
						}
						if ($attr['preg'] && !preg_match($attr['preg'],$value))
						{
							switch($type)
							{
								case 'int':
									$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang("'%1' is not a valid integer !!!",$value);
									break;
								case 'float':
									$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang("'%1' is not a valid floatingpoint number !!!",$value);
									break;
								default:
									$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang("'%1' has an invalid format !!!",$value);
									break;
							}
						}
						elseif ($type == 'int' || $type == 'float')	// cast int and float and check range
						{
							if ($value !== '' || $attr['needed'])	// empty values are Ok if needed is not set
							{
								$value = $type == 'int' ? (int) $value : (float) str_replace(',','.',$value);	// allow for german (and maybe other) format

								if (!empty($attr['min']) && $value < $attr['min'])
								{
									$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang("Value has to be at least '%1' !!!",$attr['min']);
									$value = $type == 'int' ? (int) $attr['min'] : (float) $attr['min'];
								}
								if (!empty($attr['max']) && $value > $attr['max'])
								{
									$GLOBALS['phpgw_info']['etemplate']['validation_errors'][$form_name] = lang("Value has to be at maximum '%1' !!!",$attr['max']);
									$value = $type == 'int' ? (int) $attr['max'] : (float) $attr['max'];
								}
							}
						}
						$this->set_array($content,$form_name,$value);
						break;
					case 'cancel':	// cancel button ==> dont care for validation errors
						if ($value)
						{
							$this->canceled = True;
							$this->set_array($content,$form_name,$value);
						}
						break;
					case 'button':
						if ($value)
						{
							$this->button_pressed = True;
							$this->set_array($content,$form_name,$value);
						}
						break;
					case 'select':
						$this->set_array($content,$form_name,is_array($value) ? implode(',',$value) : $value);
						break;
					case 'checkbox':
						if (!isset($value))	// checkbox was not checked
						{
							$value = 0;			// need to be reported too
						}
						if (!empty($attr['values']))
						{
							list($true_val,$false_val) = explode(',',$attr['values']);
							$value = $value ? $true_val : $false_val;
						}
						$this->set_array($content,$form_name,$value);
						break;
					case 'file':
						$parts = explode('[',str_replace(']','',$form_name));
						$name = array_shift($parts);
						$index  = count($parts) ? '['.implode('][',$parts).']' : '';
						$value = array();
						foreach(array('tmp_name','type','size','name') as $part)
						{
							$value[$part] = is_array($_FILES[$name]) ? $this->get_array($_FILES[$name],$part.$index) : False;
						}
						$value['path'] = $this->get_array($content_in,substr($form_name,0,-1).'_path]');
						$value['ip'] = get_var('REMOTE_ADDR',Array('SERVER'));
						if (function_exists('is_uploaded_file') && !is_uploaded_file($value['tmp_name']))
						{
							$value = array();	// to be on the save side
						}
						//_debug_array($value);
						// fall-throught
					default:
						$this->set_array($content,$form_name,$value);
						break;
				}
			}
			if ($cname)
			{
				$content = $content[$cname];
			}
			if (is_int($this->debug) && $this->debug >= 2 || $this->debug == $this->name && $this->name)
			{
				echo "<p>process_show($this->name) end: content ="; _debug_array($content);
				if (count($GLOBALS['phpgw_info']['etemplate']['validation_errors']))
				{
					echo "<p>validation_errors = "; _debug_array($GLOBALS['phpgw_info']['etemplate']['validation_errors']);
				}
			}
			return count($GLOBALS['phpgw_info']['etemplate']['validation_errors']);
		}

		/**
		 * is javascript enabled?
		 *
		 * this should be tested by the api at login
		 *
		 * @return boolean true if javascript is enabled or not yet tested and $consider_not_tested_as_enabled 
		*/
		function java_script($consider_not_tested_as_enabled = True)
		{
			$ret = !!$GLOBALS['phpgw_info']['etemplate']['java_script'] ||
				$consider_not_tested_as_enabled && !isset($GLOBALS['phpgw_info']['etemplate']['java_script']);
			//echo "<p>java_script($consider_not_tested_as_enabled)='$ret', java_script='".$GLOBALS['phpgw_info']['etemplate']['java_script']."', isset(java_script)=".isset($GLOBALS['phpgw_info']['etemplate']['java_script'])."</p>\n";
			
			return $ret;
			return !!$GLOBALS['phpgw_info']['etemplate']['java_script'] ||
				$consider_not_tested_as_enabled &&
				(!isset($GLOBALS['phpgw_info']['etemplate']['java_script']) ||
				$GLOBALS['phpgw_info']['etemplate']['java_script'].'' == '');
		}

		/**
		 * returns the javascript to be included by exec
		 *
		 * @param int $what &1 = returns the test, note: has to be included in the body, not the header, 
		 *		&2 = returns the common functions, best to be included in the header
		 * @return string javascript
		 */
		function include_java_script($what = 3)
		{
			// this is to test if javascript is enabled
			if ($what & 1 && !isset($GLOBALS['phpgw_info']['etemplate']['java_script']))
			{
				$js = '<script language="javascript">
document.write(\''.str_replace("\n",'',$this->html->input_hidden('java_script','1')).'\');
if (document.getElementById) {
	document.write(\''.str_replace("\n",'',$this->html->input_hidden('dom_enabled','1')).'\');
}
</script>
';
			}

			// here are going all the necesarry functions if javascript is enabled
			if ($what & 2 && $this->java_script(True))
			{
				$js .= '<script type="text/javascript" src="'.
					$GLOBALS['phpgw_info']['server']['webserver_url'].'/etemplate/js/etemplate.js"></script>';
			}
			return $js;
		}
	};