egroupware/etemplate/inc/class.etemplate_new.inc.php

373 lines
14 KiB
PHP

<?php
/**
* EGroupware - eTemplate serverside
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Ralf Becker <RalfBecker@outdoor-training.de>
* @copyright 2002-11 by RalfBecker@outdoor-training.de
* @version $Id$
*/
/**
* New eTemplate serverside contains:
* - main server methods like read, exec
* -
*
* @ToDo supported customized templates stored in DB, currently we only support xet files stored in filesystem
*/
class etemplate_new
{
/**
* Are we running as sitemgr module or not
*
* @public boolean
*/
public $sitemgr=false;
/**
* 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 $name
*/
function __construct($name='',$load_via='')
{
$this->sitemgr = isset($GLOBALS['Common_BO']) && is_object($GLOBALS['Common_BO']);
if ($name) $this->read($name,$template='default',$lang='default',$group=0,$version='',$load_via);
}
/**
* 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 $params url or array with get-params incl. menuaction
*/
static function location($params='')
{
egw::redirect_link(is_array($params) ? '/index.php' : $params,
is_array($params) ? $params : '');
}
/**
* Generates 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
* -1 = first time return html, after use 0 (echo html incl. navbar), eg. for home
* 2 = echo without navbar (eg. for popups)
* 3 = return eGW independent html site
* @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='',$changes='')
{
if (!$this->rel_path) throw new egw_exception_assertion_failed('No (valid) template read!');
/* if (self::$response) // call is within an ajax event / form submit
{
}
else // first call
*/ {
egw_framework::validate_file('.','et2_xml','etemplate');
egw_framework::validate_file('.','et2_baseWidget','etemplate');
egw_framework::validate_file('.','et2_contentArrayMgr','etemplate');
egw_framework::includeCSS('/etemplate/js/test/test.css');
common::egw_header();
if ($output_mode != 2)
{
parse_navbar();
}
echo '
<div id="container"></div>
<script>
var container = null;
function open_xet(file, content) {
et2_loadXMLFromURL(file,
function(_xmldoc) {
if (container != null)
{
container.destroy();
container = null;
}
container = new et2_container(null);
container.setParentDOMNode(document.getElementById("container"));
container.setContentMgr(new et2_contentArrayMgr(content));
container.loadFromXML(_xmldoc);
});
}
open_xet("'.$GLOBALS['egw_info']['server']['webserver_url'].$this->rel_path.'",'.json_encode(array(
'content' => $content,
'sel_options' => $sel_options,
'readonlys' => $readonlys,
'modifications' => $this->modifications,
'validation_errros' => self::$validation_errors,
)).');
</script>
';
common::egw_footer();
}
}
/**
* Path of template relative to EGW_SERVER_ROOT
*
* @var string
*/
public $rel_path;
/**
* Reads an eTemplate from filesystem or DB (not yet supported)
*
* @param string $name name of the eTemplate or array with the values for all keys
* @param string $template template-set, '' loads the prefered template of the user, 'default' loads the default one '' in the db
* @param string $lang language, '' loads the pref. lang of the user, 'default' loads the default one '' in the db
* @param int $group id of the (primary) group of the user or 0 for none, not used at the moment !!!
* @param string $version version of the eTemplate
* @param mixed $load_via name/array of keys of etemplate to load in order to get $name (only as second try!)
* @return boolean True if a fitting template is found, else False
*
* @ToDo supported customized templates stored in DB
*/
public function read($name,$template='default',$lang='default',$group=0,$version='',$load_via='')
{
list($app, $tpl_name) = explode('.', $name, 2);
$this->rel_path = '/'.$app.'/templates/'.$template.'/'.$tpl_name.'.xet';
if (!file_exists(EGW_SERVER_ROOT.$this->rel_path) && $template !== 'default')
{
$this->rel_path = '/'.$app.'/templates/default/'.$tpl_name.'.xet';
}
if (!file_exists(EGW_SERVER_ROOT.$this->rel_path))
{
$this->rel_path = null;
error_log(__METHOD__."('$name',...,'$load_via') returning FALSE");
return false;
}
error_log(__METHOD__."('$name',...,'$load_via') this->rel_path=$this->rel_path returning FALSE");
return true;
}
/**
* Validation errors from process_show and the extensions, should be set via etemplate::set_validation_error
*
* @public array form_name => message pairs
*/
static protected $validation_errors = array();
/**
* Sets a validation error, to be displayed in the next exec
*
* @param string $name (complete) name of the widget causing the error
* @param string $error error-message already translated
* @param string $cname=null set it to '', if the name is already a form-name, defaults to self::$name_vars
*/
static function set_validation_error($name,$error,$cname=null)
{
if (is_null($cname)) $cname = self::$name_vars;
//echo "<p>etemplate::set_validation_error('$name','$error','$cname');</p>\n";
if ($cname) $name = self::form_name($cname,$name);
if (self::$validation_errors[$name])
{
self::$validation_errors[$name] .= ', ';
}
self::$validation_errors[$name] .= $error;
}
/**
* Check if we have not ignored validation errors
*
* @param string $ignore_validation='' if not empty regular expression for validation-errors to ignore
* @param string $cname=null name-prefix, which need to be ignored, default self::$name_vars
* @return boolean true if there are not ignored validation errors, false otherwise
*/
function validation_errors($ignore_validation='',$cname=null)
{
if (is_null($cname)) $cname = self::$name_vars;
//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') validation_error="; _debug_array(self::$validation_errors);
if (!$ignore_validation) return count(self::$validation_errors) > 0;
foreach(self::$validation_errors as $name => $error)
{
if ($cname) $name = preg_replace('/^'.$cname.'\[([^\]]+)\](.*)$/','\\1\\2',$name);
// treat $ignoare_validation only as regular expression, if it starts with a slash
if ($ignore_validation[0] == '/' && !preg_match($ignore_validation,$name) ||
$ignore_validation[0] != '/' && $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;
}
/**
* Modifications on the instancated template
*
* Get collected here to be send to the server
*/
protected $modifications = array();
/**
* Returns reference to an attribute in a named cell
*
* Currently we always return a reference to an not set value, unless it was set before.
* We do not return a reference to the actual cell, as it get's contructed on client-side!
*
* @param string $name cell-name
* @param string $attr attribute-name
* @return mixed reference to attribute, usually NULL
*/
function &get_cell_attribute($name,$attr)
{
error_log(__METHOD__."('$name', '$attr')");
return $this->modifications[$name][$attr];
}
/**
* set an attribute in a named cell if val is not NULL else return the attribute
*
* @param string $name cell-name
* @param string $attr attribute-name
* @param mixed $val if not NULL sets attribute else returns it
* @return mixed number of changed cells or False, if none changed
*/
function &set_cell_attribute($name,$attr,$val)
{
error_log(__METHOD__."('$name', '$attr', ".array2string($val).')');
$attr =& $this->get_cell_attribute($name, $attr);
if (!is_null($val)) $attr = $val;
return $attr;
}
/**
* disables all cells with name == $name
*
* @param sting $name cell-name
* @param boolean $disabled=true disable or enable a cell, default true=disable
* @return mixed number of changed cells or False, if none changed
*/
function disable_cells($name,$disabled=True)
{
return $this->set_cell_attribute($name,'disabled',$disabled);
}
/**
* set one or more attibutes for row $n
*
* @param int $n numerical row-number starting with 1 (!)
* @param string $height percent or pixel or '' for no height
* @param string $class name of css class (without the leading '.') or '' for no class
* @param string $valign alignment (top,middle,bottom) or '' for none
* @param boolean $disabled True or expression or False to disable or enable the row (Only the number 0 means dont change the attribute !!!)
* @param string $path='/0' default is the first widget in the tree of children
* @return false if $path is no grid or array(height,class,valign,disabled) otherwise
*/
function set_row_attributes($n,$height=0,$class=0,$valign=0,$disabled=0,$path='/0')
{
throw new egw_exception_assertion_failed('Not yet implemented!');
$grid =& $this->get_widget_by_path($path);
if (is_null($grid) || $grid['type'] != 'grid') return false;
$grid_attr =& $grid['data'][0];
list($old_height,$old_disabled) = explode(',',$grid_attr["h$n"]);
$disabled = $disabled !== 0 ? $disabled : $old_disabled;
$grid_attr["h$n"] = ($height !== 0 ? $height : $old_height).
($disabled ? ','.$disabled : '');
list($old_class,$old_valign) = explode(',',$grid_attr["c$n"]);
$valign = $valign !== 0 ? $valign : $old_valign;
$grid_attr["c$n"] = ($class !== 0 ? $class : $old_class).
($valign ? ','.$valign : '');
list($height,$disabled) = explode(',',$grid_attr["h$n"]);
list($class,$valign) = explode(',',$grid_attr["c$n"]);
return array($height,$class,$valign,$disabled);
}
/**
* disables row $n
*
* @param int $n numerical row-number starting with 1 (!)
* @param boolean $enable=false can be used to re-enable a row if set to True
* @param string $path='/0' default is the first widget in the tree of children
*/
function disable_row($n,$enable=False,$path='/0')
{
$this->set_row_attributes($n,0,0,0,!$enable,$path);
}
/**
* set one or more attibutes for column $c
*
* @param int|string $c numerical column-number starting with 0 (!), or the char-code starting with 'A'
* @param string $width percent or pixel or '' for no height
* @param mixed $disabled=0 True or expression or False to disable or enable the column (Only the number 0 means dont change the attribute !!!)
* @param string $path='/0' default is the first widget in the tree of children
* @return false if $path specifies no grid or array(width,disabled) otherwise
*/
function set_column_attributes($c,$width=0,$disabled=0,$path='/0')
{
throw new egw_exception_assertion_failed('Not yet implemented!');
if (is_numeric($c))
{
$c = $this->num2chrs($c);
}
$grid =& $this->get_widget_by_path($path);
if (is_null($grid) || $grid['type'] != 'grid') return false;
$grid_attr =& $grid['data'][0];
list($old_width,$old_disabled) = explode(',',$grid_attr[$c]);
$disabled = $disabled !== 0 ? $disabled : $old_disabled;
$grid_attr[$c] = ($width !== 0 ? $width : $old_width).
($disabled ? ','.$disabled : '');
//echo "set_column_attributes('$c',,'$path'): ".$grid_attr[$c]."</p>\n"; _debug_array($grid_attr);
return explode(',',$grid_attr[$c]);
}
/**
* disables column $c
*
* @param int|string $c numerical column-number starting with 0 (!), or the char-code starting with 'A'
* @param boolean $enable can be used to re-enable a column if set to True
* @param string $path='/0' default is the first widget in the tree of children
*/
function disable_column($c,$enable=False,$path='/0')
{
$this->set_column_attributes($c,0,!$enable,$path);
}
}