* @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) + array('sel_options' => $sel_options) + $content ); foreach($hook_data as $extras) { if (!$extras) continue; foreach(count(array_filter(array_keys($extras), 'is_int')) ? $extras : array($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, $extra['readonlys']); } if ($extra['sel_options'] && is_array($extra['sel_options'])) { $sel_options = array_merge($sel_options, $extra['sel_options']); } } } unset($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."); $this->children = array($template); $template->run('beforeSendToClient', array('', array('cont'=>$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' => $currentapp, ); if($data['content']['nm']['rows'] && is_array($data['content']['nm']['rows'])) { // Deep copy rows so we don't lose them when request is set to null // (some content by reference) $data['content']['nm'] = self::deep_copy($data['content']['nm']); } // 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) // Really important to run this or weird things happen // See https://help.egroupware.org/t/nextmatch-wert-im-header-ausgeben/73412/11 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']) { $GLOBALS['egw']->framework->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(); } // '; echo $form; if ($output_mode == 2) { echo "\n
\n"; echo $GLOBALS['egw']->framework->footer(); } ob_flush(); if ($output_mode == 1) return $form; } self::$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); return; } // 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($validated)); if(is_callable(self::$request->method)) { call_user_func(self::$request->method,self::complete_array_merge(self::$request->preserv, $validated)); } else { // Deprecated, but may still be needed $content = ExecMethod(self::$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 = $new_id; } /** * Make sure there's a new request, in case of multiple Etemplates in one call. * Normally this isn't a problem, but if you've got an etemplate in the sidebox, * and are seeing problems submitting another etemplate, try this before executing * the sidebox etemplate. */ public static function reset_request() { self::$request = Etemplate\Request::read(); self::$cache = array(); } /** * 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; } /** * Deep copy array to make sure there are no references * * @param Array $array * @return Array */ public static function deep_copy($source) { $arr = array(); foreach ($source as $key => $element) { if (is_array($element)) { $arr[$key] = static::deep_copy($element); } else if (is_object($element)) { // make an object copy $arr[$key] = clone $element; } else { $arr[$key] = $element; } } return $arr; } /** * 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; } }