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https://github.com/EGroupware/egroupware.git
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375 lines
14 KiB
PHP
375 lines
14 KiB
PHP
<?php
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/**
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* EGroupware - eTemplate serverside
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Ralf Becker <RalfBecker@outdoor-training.de>
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* @copyright 2002-11 by RalfBecker@outdoor-training.de
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* @version $Id$
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*/
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/**
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* New eTemplate serverside contains:
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* - main server methods like read, exec
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* -
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*
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* @ToDo supported customized templates stored in DB, currently we only support xet files stored in filesystem
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*/
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class etemplate_new
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{
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/**
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* Are we running as sitemgr module or not
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*
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* @public boolean
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*/
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public $sitemgr=false;
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/**
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* constructor of etemplate class, reads an eTemplate if $name is given
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*
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* @param string $name of etemplate or array with name and other keys
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* @param string|array $load_via with keys of other etemplate to load in order to get $name
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*/
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function __construct($name='',$load_via='')
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{
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$this->sitemgr = isset($GLOBALS['Common_BO']) && is_object($GLOBALS['Common_BO']);
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if ($name) $this->read($name,$template='default',$lang='default',$group=0,$version='',$load_via);
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}
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/**
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* Abstracts a html-location-header call
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*
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* In other UI's than html this needs to call the methode, defined by menuaction or
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* open a browser-window for any other links.
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*
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* @param string|array $params url or array with get-params incl. menuaction
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*/
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static function location($params='')
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{
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egw::redirect_link(is_array($params) ? '/index.php' : $params,
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is_array($params) ? $params : '');
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}
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/**
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* Generates a Dialog from an eTemplate - abstract the UI-layer
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*
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* This is the only function an application should use, all other are INTERNAL and
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* do NOT abstract the UI-layer, because they return HTML.
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* Generates a webpage with a form from the template and puts process_exec in the
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* form as submit-url to call process_show for the template before it
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* ExecuteMethod's the given $method of the caller.
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*
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* @param string $method Methode (e.g. 'etemplate.editor.edit') to be called if form is submitted
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* @param array $content with content to fill the input-fields of template, eg. the text-field
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* with name 'name' gets its content from $content['name']
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* @param $sel_options array or arrays with the options for each select-field, keys are the
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* field-names, eg. array('name' => array(1 => 'one',2 => 'two')) set the
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* options for field 'name'. ($content['options-name'] is possible too !!!)
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* @param array $readonlys with field-names as keys for fields with should be readonly
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* (eg. to implement ACL grants on field-level or to remove buttons not applicable)
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* @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
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* @param int $output_mode
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* 0 = echo incl. navbar
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* 1 = return html
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* -1 = first time return html, after use 0 (echo html incl. navbar), eg. for home
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* 2 = echo without navbar (eg. for popups)
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* 3 = return eGW independent html site
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* @param string $ignore_validation if not empty regular expression for validation-errors to ignore
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* @param array $changes change made in the last call if looping, only used internaly by process_exec
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* @return string html for $output_mode == 1, else nothing
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*/
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function exec($method,$content,$sel_options='',$readonlys='',$preserv='',$output_mode=0,$ignore_validation='',$changes='')
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{
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if (!$this->rel_path) throw new egw_exception_assertion_failed('No (valid) template read!');
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/* if (self::$response) // call is within an ajax event / form submit
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{
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}
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else // first call
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*/ {
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egw_framework::validate_file('.','etemplate2','etemplate');
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egw_framework::includeCSS('/etemplate/js/test/test.css');
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common::egw_header();
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if ($output_mode != 2)
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{
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parse_navbar();
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}
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echo '
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<div id="container"></div>
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<script>
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var et2 = new etemplate2(document.getElementById("container"), "etemplate_new::ajax_process_content");
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et2.load("'.$GLOBALS['egw_info']['server']['webserver_url'].$this->rel_path.'",'.json_encode(array(
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'content' => $content,
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'sel_options' => $sel_options,
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'readonlys' => $readonlys,
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'modifications' => $this->modifications,
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'validation_errros' => self::$validation_errors,
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)).');
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</script>
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';
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common::egw_footer();
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}
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}
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/**
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* Process via Ajax submitted content
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*/
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static public function ajax_process_content(array $content)
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{
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error_log(__METHOD__."(".print_r($content, true).")");
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$response = egw_json_response::get();
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$response->generic("et2_load", array(
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"url" => $GLOBALS['egw_info']['server']['webserver_url']."/etemplate/js/test/et2_test_expressions.xet",
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"data" => array(
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"content" => array(
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"display_text" => "",
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"textbox" => "Hello world!"
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)
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)
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));
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}
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/**
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* Path of template relative to EGW_SERVER_ROOT
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*
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* @var string
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*/
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public $rel_path;
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/**
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* Reads an eTemplate from filesystem or DB (not yet supported)
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*
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* @param string $name name of the eTemplate or array with the values for all keys
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* @param string $template template-set, '' loads the prefered template of the user, 'default' loads the default one '' in the db
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* @param string $lang language, '' loads the pref. lang of the user, 'default' loads the default one '' in the db
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* @param int $group id of the (primary) group of the user or 0 for none, not used at the moment !!!
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* @param string $version version of the eTemplate
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* @param mixed $load_via name/array of keys of etemplate to load in order to get $name (only as second try!)
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* @return boolean True if a fitting template is found, else False
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*
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* @ToDo supported customized templates stored in DB
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*/
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public function read($name,$template='default',$lang='default',$group=0,$version='',$load_via='')
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{
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list($app, $tpl_name) = explode('.', $name, 2);
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$this->rel_path = '/'.$app.'/templates/'.$template.'/'.$tpl_name.'.xet';
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if (!file_exists(EGW_SERVER_ROOT.$this->rel_path) && $template !== 'default')
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{
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$this->rel_path = '/'.$app.'/templates/default/'.$tpl_name.'.xet';
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}
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if (!file_exists(EGW_SERVER_ROOT.$this->rel_path))
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{
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$this->rel_path = null;
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error_log(__METHOD__."('$name',...,'$load_via') returning FALSE");
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return false;
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}
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//error_log(__METHOD__."('$name',...,'$load_via') this->rel_path=$this->rel_path returning TRUE");
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return true;
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}
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/**
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* Validation errors from process_show and the extensions, should be set via etemplate::set_validation_error
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*
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* @public array form_name => message pairs
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*/
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static protected $validation_errors = array();
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/**
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* Sets a validation error, to be displayed in the next exec
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*
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* @param string $name (complete) name of the widget causing the error
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* @param string $error error-message already translated
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* @param string $cname=null set it to '', if the name is already a form-name, defaults to self::$name_vars
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*/
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static function set_validation_error($name,$error,$cname=null)
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{
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if (is_null($cname)) $cname = self::$name_vars;
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//echo "<p>etemplate::set_validation_error('$name','$error','$cname');</p>\n";
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if ($cname) $name = self::form_name($cname,$name);
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if (self::$validation_errors[$name])
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{
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self::$validation_errors[$name] .= ', ';
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}
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self::$validation_errors[$name] .= $error;
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}
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/**
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* Check if we have not ignored validation errors
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*
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* @param string $ignore_validation='' if not empty regular expression for validation-errors to ignore
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* @param string $cname=null name-prefix, which need to be ignored, default self::$name_vars
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* @return boolean true if there are not ignored validation errors, false otherwise
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*/
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function validation_errors($ignore_validation='',$cname=null)
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{
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if (is_null($cname)) $cname = self::$name_vars;
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//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') validation_error="; _debug_array(self::$validation_errors);
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if (!$ignore_validation) return count(self::$validation_errors) > 0;
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foreach(self::$validation_errors as $name => $error)
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{
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if ($cname) $name = preg_replace('/^'.$cname.'\[([^\]]+)\](.*)$/','\\1\\2',$name);
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// treat $ignoare_validation only as regular expression, if it starts with a slash
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if ($ignore_validation[0] == '/' && !preg_match($ignore_validation,$name) ||
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$ignore_validation[0] != '/' && $ignore_validation != $name)
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{
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//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') name='$name' ($error) not ignored!!!</p>\n";
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return true;
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}
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//echo "<p>uietemplate::validation_errors('$ignore_validation','$cname') name='$name' ($error) ignored</p>\n";
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}
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return false;
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}
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/**
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* Modifications on the instancated template
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*
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* Get collected here to be send to the server
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*/
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protected $modifications = array();
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/**
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* Returns reference to an attribute in a named cell
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*
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* Currently we always return a reference to an not set value, unless it was set before.
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* We do not return a reference to the actual cell, as it get's contructed on client-side!
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*
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* @param string $name cell-name
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* @param string $attr attribute-name
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* @return mixed reference to attribute, usually NULL
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*/
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function &get_cell_attribute($name,$attr)
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{
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error_log(__METHOD__."('$name', '$attr')");
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return $this->modifications[$name][$attr];
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}
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/**
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* set an attribute in a named cell if val is not NULL else return the attribute
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*
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* @param string $name cell-name
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* @param string $attr attribute-name
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* @param mixed $val if not NULL sets attribute else returns it
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* @return mixed number of changed cells or False, if none changed
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*/
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function &set_cell_attribute($name,$attr,$val)
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{
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error_log(__METHOD__."('$name', '$attr', ".array2string($val).')');
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$attr =& $this->get_cell_attribute($name, $attr);
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if (!is_null($val)) $attr = $val;
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return $attr;
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}
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/**
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* disables all cells with name == $name
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*
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* @param sting $name cell-name
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* @param boolean $disabled=true disable or enable a cell, default true=disable
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* @return mixed number of changed cells or False, if none changed
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*/
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function disable_cells($name,$disabled=True)
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{
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return $this->set_cell_attribute($name,'disabled',$disabled);
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}
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/**
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* set one or more attibutes for row $n
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*
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* @param int $n numerical row-number starting with 1 (!)
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* @param string $height percent or pixel or '' for no height
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* @param string $class name of css class (without the leading '.') or '' for no class
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* @param string $valign alignment (top,middle,bottom) or '' for none
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* @param boolean $disabled True or expression or False to disable or enable the row (Only the number 0 means dont change the attribute !!!)
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* @param string $path='/0' default is the first widget in the tree of children
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* @return false if $path is no grid or array(height,class,valign,disabled) otherwise
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*/
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function set_row_attributes($n,$height=0,$class=0,$valign=0,$disabled=0,$path='/0')
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{
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throw new egw_exception_assertion_failed('Not yet implemented!');
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$grid =& $this->get_widget_by_path($path);
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if (is_null($grid) || $grid['type'] != 'grid') return false;
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$grid_attr =& $grid['data'][0];
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list($old_height,$old_disabled) = explode(',',$grid_attr["h$n"]);
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$disabled = $disabled !== 0 ? $disabled : $old_disabled;
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$grid_attr["h$n"] = ($height !== 0 ? $height : $old_height).
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($disabled ? ','.$disabled : '');
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list($old_class,$old_valign) = explode(',',$grid_attr["c$n"]);
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$valign = $valign !== 0 ? $valign : $old_valign;
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$grid_attr["c$n"] = ($class !== 0 ? $class : $old_class).
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($valign ? ','.$valign : '');
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list($height,$disabled) = explode(',',$grid_attr["h$n"]);
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list($class,$valign) = explode(',',$grid_attr["c$n"]);
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return array($height,$class,$valign,$disabled);
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}
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/**
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* disables row $n
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*
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* @param int $n numerical row-number starting with 1 (!)
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* @param boolean $enable=false can be used to re-enable a row if set to True
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* @param string $path='/0' default is the first widget in the tree of children
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*/
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function disable_row($n,$enable=False,$path='/0')
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{
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$this->set_row_attributes($n,0,0,0,!$enable,$path);
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}
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/**
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* set one or more attibutes for column $c
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*
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* @param int|string $c numerical column-number starting with 0 (!), or the char-code starting with 'A'
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* @param string $width percent or pixel or '' for no height
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* @param mixed $disabled=0 True or expression or False to disable or enable the column (Only the number 0 means dont change the attribute !!!)
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* @param string $path='/0' default is the first widget in the tree of children
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* @return false if $path specifies no grid or array(width,disabled) otherwise
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*/
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function set_column_attributes($c,$width=0,$disabled=0,$path='/0')
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{
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throw new egw_exception_assertion_failed('Not yet implemented!');
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if (is_numeric($c))
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{
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$c = $this->num2chrs($c);
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}
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$grid =& $this->get_widget_by_path($path);
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if (is_null($grid) || $grid['type'] != 'grid') return false;
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$grid_attr =& $grid['data'][0];
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list($old_width,$old_disabled) = explode(',',$grid_attr[$c]);
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$disabled = $disabled !== 0 ? $disabled : $old_disabled;
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$grid_attr[$c] = ($width !== 0 ? $width : $old_width).
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($disabled ? ','.$disabled : '');
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//echo "set_column_attributes('$c',,'$path'): ".$grid_attr[$c]."</p>\n"; _debug_array($grid_attr);
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return explode(',',$grid_attr[$c]);
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}
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/**
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* disables column $c
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*
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* @param int|string $c numerical column-number starting with 0 (!), or the char-code starting with 'A'
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* @param boolean $enable can be used to re-enable a column if set to True
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* @param string $path='/0' default is the first widget in the tree of children
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*/
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function disable_column($c,$enable=False,$path='/0')
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{
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$this->set_column_attributes($c,0,!$enable,$path);
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}
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}
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