* @copyright 2002-16 by RalfBecker@outdoor-training.de
* @version $Id$
*/
namespace EGroupware\Api;
/**
* New eTemplate serverside contains:
* - main server methods like read, exec
* -
*
* Not longer available methods:
* - set_(row|column)_attributes modifies template on run-time, was only used internally by etemplate itself
* - disable_(row|column) dto.
*/
class Etemplate extends Etemplate\Widget\Template
{
/**
* Are we running as sitemgr module or not
*
* @public boolean
*/
public $sitemgr=false;
/**
* Tell egw framework it's ok to call this
*/
public $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 $name
*/
function __construct($name='',$load_via='')
{
// we do NOT call parent consturctor, as we only want to enherit it's (static) methods
if (false) parent::__construct ($name); // satisfy IDE, as we dont call parent constructor
$this->sitemgr = isset($GLOBALS['Common_BO']) && is_object($GLOBALS['Common_BO']);
if ($name) $this->read($name,$template='default','default',0,'',$load_via);
// generate new etemplate request object, if not already existing
if(!isset(self::$request)) self::$request = Etemplate\Request::read();
}
/**
* 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='')
{
Framework::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
* 4 = json response
* @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,array $content,array $sel_options=null,array $readonlys=null,array $preserv=null,$output_mode=0,$ignore_validation='',array $changes=null)
{
$hook_data = Hooks::process(
array('hook_location' => 'etemplate2_before_exec') +
array('location_name' => $this->name) +
array('location_object' => &$this) +
$content
);
foreach($hook_data as $extras)
{
if (!$extras) continue;
foreach(isset($extras[0]) ? $extras : array($extras) as $extra)
{
if ($extra['data'] && is_array($extra['data']))
{
$content = array_merge($content, $extra['data']);
}
if ($extra['preserve'] && is_array($extra['preserve']))
{
$preserv = array_merge($preserv, $extra['preserve']);
}
if ($extra['readonlys'] && is_array($extra['readonlys']))
{
$readonlys = array_merge($readonlys, $extra['readonlys']);
}
}
}
unset($hook_data);
// Include the etemplate2 javascript code
Framework::includeJS('etemplate', 'etemplate2', 'api');
if (!$this->rel_path) throw new Exception\AssertionFailed("No (valid) template '$this->name' found!");
if ($output_mode == 4)
{
$output_mode = 0;
self::$response = Json\Response::get();
}
self::$request->output_mode = $output_mode; // let extensions "know" they are run eg. in a popup
self::$request->content = self::$cont = $content;
self::$request->changes = $changes;
self::$request->sel_options = is_array($sel_options) ? self::fix_sel_options($sel_options) : array();
self::$request->readonlys = $readonlys ? $readonlys : array();
self::$request->preserv = $preserv ? $preserv : array();
self::$request->method = $method;
self::$request->ignore_validation = $ignore_validation;
if (self::$request->output_mode == -1) self::$request->output_mode = 0;
self::$request->template = $this->as_array();
if (empty($this->name)) throw new Exception\AssertionFailed("Template name is not set '$this->name' !");
// instanciate template to fill self::$request->sel_options for select-* widgets
// not sure if we want to handle it this way, thought otherwise we will have a few ajax request for each dialog fetching predefined selectboxes
$template = self::instance($this->name, $this->template_set, $this->version, $this->laod_via);
if (!$template) throw new Exception\AssertionFailed("Template $this->name not instanciable! Maybe you forgot to rename template id.");
$template->run('beforeSendToClient', array('', array('cont'=>$content)));
// some apps (eg. InfoLog) set app_header only in get_rows depending on filter settings
self::$request->app_header = $GLOBALS['egw_info']['flags']['app_header'];
// compile required translations translations
$currentapp = $GLOBALS['egw_info']['flags']['currentapp'];
$langRequire = array('common' => array(), 'etemplate' => array()); // keep that order
foreach(Translation::$loaded_apps as $l_app => $lang)
{
if (!in_array($l_app, array($currentapp, 'custom')))
{
$langRequire[$l_app] = array('app' => $l_app, 'lang' => $lang, 'etag' => Translation::etag($l_app, $lang));
}
}
foreach(array($currentapp, 'custom') as $l_app)
{
if (isset(Translation::$loaded_apps[$l_app]))
{
$langRequire[$l_app] = array('app' => $l_app, 'lang' => Translation::$loaded_apps[$l_app], 'etag' => Translation::etag($l_app, Translation::$loaded_apps[$l_app]));
}
}
$data = array(
'etemplate_exec_id' => self::$request->id(),
'app_header' => self::$request->app_header,
'content' => self::$request->content,
'sel_options' => self::$request->sel_options,
'readonlys' => self::$request->readonlys,
'modifications' => self::$request->modifications,
'validation_errors' => self::$validation_errors,
'langRequire' => array_values($langRequire),
'currentapp' => $currentapp,
);
// Info required to load the etemplate client-side
$dom_id = str_replace('.','-',$this->dom_id);
$load_array = array(
'name' => $this->name,
'url' => self::rel2url($this->rel_path),
'data' => $data,
'DOMNodeID' => $dom_id,
);
if (self::$response) // call is within an ajax event / form submit
{
//error_log("Ajax " . __LINE__);
self::$response->generic('et2_load', $load_array+Framework::get_extra());
Framework::clear_extra(); // to not send/set it twice for multiple etemplates (eg. CRM view)
}
else // first call
{
// check if application of template has a app.js file --> load it
list($app) = explode('.',$this->name);
if (file_exists(EGW_SERVER_ROOT.'/'.$app.'/js/app.js'))
{
Framework::includeJS('.','app',$app,true);
}
// Category styles
Categories::css($app);
// set action attribute for autocomplete form tag
// as firefox complains on about:balnk action, thus we have to literaly submit the form to a blank html
$form_action = "about:blank";
if (in_array(Header\UserAgent::type(), array('firefox', 'safari')))
{
$form_action = $GLOBALS['egw_info']['server']['webserver_url'].'/api/templates/default/empty.html';
}
// check if we are in an ajax-exec call from jdots template (or future other tabbed templates)
if (isset($GLOBALS['egw']->framework->response))
{
$content = ''."\n".
'';
$GLOBALS['egw']->framework->response->generic("data", array($content));
$GLOBALS['egw']->framework->response->generic('et2_load',$load_array+Framework::get_extra());
Framework::clear_extra(); // to not send/set it twice for multiple etemplates (eg. CRM view)
self::$request = null;
return;
}
// let framework know, if we are a popup or not ('popup' not true, which is allways used by index.php!)
if (!isset($GLOBALS['egw_info']['flags']['nonavbar']) || is_bool($GLOBALS['egw_info']['flags']['nonavbar']))
{
$GLOBALS['egw_info']['flags']['nonavbar'] = $output_mode == 2 ? 'popup' : false;
}
echo $GLOBALS['egw']->framework->header();
if ($output_mode != 2 && !$GLOBALS['egw_info']['flags']['nonavbar'])
{
parse_navbar();
}
else // mark popups as such, by enclosing everything in div#popupMainDiv
{
echo ''."\n";
}
// Send any accumulated json responses - after flush to avoid sending the buffer as a response
if(Json\Response::isJSONResponse())
{
$load_array['response'] = Json\Response::get()->returnResult();
}
// ';
if ($output_mode == 2)
{
echo "\n
\n";
echo $GLOBALS['egw']->framework->footer();
}
ob_flush();
}
self::$request = null;
}
/**
* Fix all sel_options, as Etemplate\Widget\Select::beforeSendToClient is not run for auto-repeated stuff not understood by server
*
* @param array $sel_options
* @return array
*/
static protected function fix_sel_options(array $sel_options)
{
foreach($sel_options as &$options)
{
if (!is_array($options)||empty($options)) continue;
foreach($options as $key => $value)
{
if (is_numeric($key) && (!is_array($value) || !isset($value['value'])))
{
Etemplate\Widget\Select::fix_encoded_options($options, true);
break;
}
}
}
return $sel_options;
}
/**
* Process via Ajax submitted content
*
* @param string $etemplate_exec_id
* @param array $_content
* @param boolean $no_validation
* @throws Exception\WrongParameter
*/
static public function ajax_process_content($etemplate_exec_id, array $_content, $no_validation)
{
//error_log(__METHOD__."(".array2string($etemplate_exec_id).', '.array2string($_content).")");
self::$request = Etemplate\Request::read($etemplate_exec_id);
//error_log('request='.array2string(self::$request));
self::$response = Json\Response::get();
if (!($template = self::instance(self::$request->template['name'], self::$request->template['template_set'],
self::$request->template['version'], self::$request->template['load_via'])))
{
throw new Exception\WrongParameter('Can NOT read template '.array2string(self::$request->template));
}
// let session class know, which is the app & method of this request
$GLOBALS['egw']->session->set_action('Etemplate: '.self::$request->method);
// Set current app for validation
list($app) = explode('.',self::$request->method);
if(!$app) list($app) = explode('::',self::$request->method);
if($app)
{
Translation::add_app($app);
$GLOBALS['egw_info']['flags']['currentapp'] = $app;
}
$validated = array();
$expand = array(
'cont' => &self::$request->content,
);
$template->run('validate', array('', $expand, $_content, &$validated), true); // $respect_disabled=true: do NOT validate disabled widgets and children
if ($no_validation)
{
self::$validation_errors = array();
}
elseif (self::validation_errors(self::$request->ignore_validation))
{
error_log(__METHOD__."(,".array2string($_content).') validation_errors='.array2string(self::$validation_errors));
self::$response->generic('et2_validation_error', self::$validation_errors);
exit;
}
// tell request call to remove request, if it is not modified eg. by call to exec in callback
self::$request->remove_if_not_modified();
foreach(Hooks::process(array(
'hook_location' => 'etemplate2_before_process',
'location_name' => $template->id,
) + self::complete_array_merge(self::$request->preserv, $validated)) as $extras)
{
if (!$extras) continue;
foreach(isset($extras[0]) ? $extras : array($extras) as $extra)
{
if ($extra['data'] && is_array($extra['data']))
{
$validated = array_merge($validated, $extra['data']);
}
}
}
//error_log(__METHOD__."(,".array2string($content).')');
//error_log(' validated='.array2string($validated));
$content = ExecMethod(self::$request->method, self::complete_array_merge(self::$request->preserv, $validated));
$tcontent = is_array($content) ? $content :
self::complete_array_merge(self::$request->preserv, $validated);
$hook_data = Hooks::process(
array(
'hook_location' => 'etemplate2_after_process',
'location_name' => $template->id
) + $tcontent);
unset($tcontent);
if (is_array($content))
{
foreach($hook_data as $extras)
{
if (!$extras) continue;
foreach(isset($extras[0]) ? $extras : array($extras) as $extra) {
if ($extra['data'] && is_array($extra['data'])) {
$content = array_merge($content, $extra['data']);
}
}
}
}
unset($hook_data);
if (isset($GLOBALS['egw_info']['flags']['java_script']))
{
// Strip out any script tags
$GLOBALS['egw_info']['flags']['java_script'] = preg_replace(array('/(]*>)([^<]*)/is','/<\/script>/'),array('$2',''),$GLOBALS['egw_info']['flags']['java_script']);
self::$response->script($GLOBALS['egw_info']['flags']['java_script']);
//error_log($app .' added javascript to $GLOBALS[egw_info][flags][java_script] - use Json\Response->script() instead.');
}
return $content;
}
/**
* Notify server that eT session/request is no longer needed, because user closed window
*
* @param string $_exec_id
*/
static public function ajax_destroy_session($_exec_id)
{
//error_log(__METHOD__."('$_exec_id')");
if (($request = Etemplate\Request::read($_exec_id)))
{
$request->remove_if_not_modified();
unset($request);
}
}
/**
* Process via POST submitted content
*/
static public function process_exec()
{
if (get_magic_quotes_gpc()) $_POST['value'] = stripslashes($_POST['value']);
$content = json_decode($_POST['value'],true);
//error_log(__METHOD__."(".array2string($content).")");
self::$request = Etemplate\Request::read($_POST['etemplate_exec_id']);
if (!($template = self::instance(self::$request->template['name'], self::$request->template['template_set'],
self::$request->template['version'], self::$request->template['load_via'])))
{
throw new Exception\WrongParameter('Can NOT read template '.array2string(self::$request->template));
}
$validated = array();
$expand = array(
'cont' => &self::$request->content,
);
$template->run('validate', array('', $expand, $content, &$validated), true); // $respect_disabled=true: do NOT validate disabled widgets and children
if (self::validation_errors(self::$request->ignore_validation))
{
error_log(__METHOD__."(,".array2string($content).') validation_errors='.array2string(self::$validation_errors));
exit;
}
//error_log(__METHOD__."(,".array2string($content).')');
//error_log(' validated='.array2string($validated));
return ExecMethod(self::$request->method, self::complete_array_merge(self::$request->preserv, $validated));
}
public $name;
public $template_set;
public $version;
public $laod_via;
/**
*
* @var string If the template needs a div named other than the template name, this is it
*/
protected $dom_id;
/**
* 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_set =null default try template-set from user and if not found "default"
* @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,$template_set=null,$lang='default',$group=0,$version='',$load_via='')
{
// For mobile experience try to load custom mobile templates
if (Header\UserAgent::mobile())
{
$template_set = "mobile";
}
unset($lang); unset($group); // not used, but in old signature
$this->rel_path = self::relPath($this->name=$name, $this->template_set=$template_set,
$this->version=$version, $this->laod_via = $load_via);
//error_log(__METHOD__."('$name', '$template_set', '$lang', $group, '$version', '$load_via') rel_path=".array2string($this->rel_path));
$this->dom_id = $name;
return (boolean)$this->rel_path;
}
/**
* Set the DOM ID for the etemplate div. If not set, it will be generated from the template name.
*
* @param string $new_id
*/
public function set_dom_id($new_id)
{
$this->dom_id = $new_id;
}
/**
* Get template data as array
*
* @return array
*/
public function as_array()
{
return array(
'name' => $this->name,
'template_set' => $this->template_set,
'version' => $this->version,
'load_via' => $this->load_via,
);
}
/**
* 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 $attr attribute-name
* @return mixed reference to attribute, usually NULL
* @deprecated use getElementAttribute($name, $attr)
*/
public function &get_cell_attribute($name,$attr)
{
return self::getElementAttribute($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 $val if not NULL sets attribute else returns it
* @return reference to attribute
* @deprecated use setElementAttribute($name, $attr, $val)
*/
public function &set_cell_attribute($name,$attr,$val)
{
return self::setElementAttribute($name, $attr, $val);
}
/**
* disables all cells with name == $name
*
* @param sting $name cell-name
* @param boolean $disabled =true disable or enable a cell, default true=disable
* @return reference to attribute
* @deprecated use disableElement($name, $disabled=true)
*/
public function disable_cells($name,$disabled=True)
{
return self::disableElement($name, $disabled);
}
/**
* merges $old and $new, content of $new has precedence over $old
*
* THIS IS NOT THE SAME AS PHP's functions:
* - array_merge, as it calls itself recursive for values which are arrays.
* - array_merge_recursive accumulates values with the same index and $new does NOT overwrite $old
*
* @param array $old
* @param array $new
* @return array the merged array
*/
public static function complete_array_merge($old,$new)
{
if (is_array($new))
{
if (!is_array($old)) $old = (array) $old;
foreach($new as $k => $v)
{
if (!is_array($v) || !isset($old[$k]) || // no array or a new array
isset($v[0]) && !is_array($v[0]) && isset($v[count($v)-1]) || // or no associative array, eg. selecting multiple accounts
is_array($v) && count($v) == 0) // Empty array replacing non-empty
{
$old[$k] = $v;
}
else
{
$old[$k] = self::complete_array_merge($old[$k],$v);
}
}
}
return $old;
}
/**
* Debug callback just outputting content
*
* @param array $content =null
*/
public function debug(array $content=null)
{
$GLOBALS['egw']->framework->render(print_r($content, true));
}
/**
* Message containing the max Upload size from the current php.ini settings
*
* We have to take the smaler one of upload_max_filesize AND post_max_size-2800 into account.
* memory_limit does NOT matter any more, because of the stream-interface of the vfs.
*
* @param int &$max_upload=null on return max. upload size in byte
* @return string
*/
static function max_upload_size_message(&$max_upload=null)
{
$upload_max_filesize = ini_get('upload_max_filesize');
$post_max_size = ini_get('post_max_size');
$max_upload = min(self::km2int($upload_max_filesize),self::km2int($post_max_size)-2800);
return lang('Maximum size for uploads').': '.Vfs::hsize($max_upload).
" (php.ini: upload_max_filesize=$upload_max_filesize, post_max_size=$post_max_size)";
}
/**
* Format a number according to user prefs with decimal and thousands separator (later only for readonly)
*
* @param int|float|string $number
* @param int $num_decimal_places =2
* @param boolean $readonly =true
* @return string
*/
static public function number_format($number,$num_decimal_places=2,$readonly=true)
{
static $dec_separator=null,$thousands_separator=null;
if (is_null($dec_separator))
{
$dec_separator = $GLOBALS['egw_info']['user']['preferences']['common']['number_format'][0];
if (empty($dec_separator)) $dec_separator = '.';
$thousands_separator = $GLOBALS['egw_info']['user']['preferences']['common']['number_format'][1];
}
if ((string)$number === '') return '';
return number_format(str_replace(' ','',$number),$num_decimal_places,$dec_separator,$readonly ? $thousands_separator : '');
}
/**
* Convert numbers like '32M' or '512k' to integers
*
* @param string $size
* @return int
*/
private static function km2int($size)
{
if (!is_numeric($size))
{
switch(strtolower(substr($size,-1)))
{
case 'm':
$size = 1024*1024*(int)$size;
break;
case 'k':
$size = 1024*(int)$size;
break;
}
}
return (int)$size;
}
}