mirror of
https://github.com/EGroupware/egroupware.git
synced 2025-01-07 06:29:31 +01:00
619 lines
15 KiB
PHP
619 lines
15 KiB
PHP
<?php
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/**
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* EGroupware API - Old phplib templates
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*
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* @copyright (c) Copyright 1999-2000 NetUSE GmbH Kristian Koehntopp
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* @license https://opensource.org/licenses/LGPL-2.1 GNU Lesser General Public License, version 2.1
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation; either version 2.1 of the License, or
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* any later version.
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*
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* @link http://www.egroupware.org
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* @package api
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* @subpackage framework
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* @version $Id$
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*/
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namespace EGroupware\Api\Framework;
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use EGroupware\Api;
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/**
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* Old phplib templates: DO NOT USE FOR ANY NEW DEVELOPMENT, use eTemplate2!
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*/
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class Template
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{
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var $classname = 'Template';
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/**
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* @var $debug mixed False for no debug, string or array of strings with:
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* - function-name like set_var to get eg. all assignments or
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* - handle- / variable-names - if you are only interested in some variables ;-)
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*/
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var $debug = False; // array('cat_list','cat_list_t');
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/**
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* $file[handle] = 'filename';
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*/
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var $file = array();
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/* relative filenames are relative to this pathname */
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var $root = '';
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/* $varkeys[key] = 'key'; $varvals[key] = 'value'; */
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var $varkeys = array();
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var $varvals = array();
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/**
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* How to deal with undefined placeholder:
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*
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* 'remove' => remove undefined variables
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* 'comment' => replace undefined variables with comments
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* 'keep' => keep undefined variables
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*
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* @var string
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*/
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var $unknowns = 'remove';
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/**
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* 'yes' => halt, 'report' => report error, continue, 'no' => ignore error quietly
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*
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* @var string
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*/
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var $halt_on_error = 'yes';
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/**
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* last error message is retained here
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*
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* @var string
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*/
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var $last_error = '';
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// if true change all phpGroupWare into eGroupWare in set_var
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var $egroupware_hack = False;
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/**
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* Constructor.
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*
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* @param string $root ='.' template directory.
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* @param string $unknowns ='remove' how to handle unknown variables.
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*/
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function __construct($root = '.', $unknowns = 'remove')
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{
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$this->set_root($root);
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$this->set_unknowns($unknowns);
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}
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/**
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* Set template directory
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*
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* @param string $root new template directory.
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*/
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function set_root($root)
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{
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if ($this->debug && $this->check_debug('set_root'))
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{
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echo "<p>Template::set_root('$root')</p>\n";
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}
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if (!is_dir($root))
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{
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$this->halt("set_root: $root is not a directory.");
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return false;
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}
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$this->root = $root;
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return true;
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}
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/**
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* How to deal with undefined placeholders
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*
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* @param string $unknowns 'remove', 'comment', 'keep'
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*/
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function set_unknowns($unknowns = 'keep')
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{
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if ($this->debug && $this->check_debug('set_unknows'))
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{
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echo "<p>Template::set_unknows('$unknowns')</p>\n";
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}
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$this->unknowns = $unknowns;
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}
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/**
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* Set template/file to process
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*
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* @param string|string[} $handle handle for a filename,
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* @param string $filename ='' name of template file
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*/
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function set_file($handle, $filename = '')
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{
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if ($this->debug && $this->check_debug('set_file',$handle,$filename))
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{
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echo "<p>Template::set_file('".print_r($handle,true)."','$filename')</p>\n";
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}
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if (!is_array($handle))
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{
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if ($filename == '')
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{
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$this->halt("set_file: For handle $handle filename is empty.");
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return false;
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}
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$this->file[$handle] = $this->filename($filename);
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}
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else
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{
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foreach($handle as $h => $f)
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{
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$this->file[$h] = $this->filename($f);
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}
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}
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}
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/**
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* Extract the template $handle from $parent and place variable {$name} instead
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*
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* @param string $parent name of tempalte containing $handle
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* @param string $handle name of part
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* @param string $name name of variable/placeholder
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* @return boolean
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*/
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function set_block($parent, $handle, $name = '')
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{
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if ($this->debug && $this->check_debug('set_block',$parent,$handle,$name))
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{
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echo "<p>Template::set_block('$parent','$handle','$name')</p>\n";
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}
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if (!$this->loadfile($parent))
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{
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$this->halt("set_block: unable to load '$parent'.");
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return false;
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}
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if ($name == '')
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{
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$name = $handle;
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}
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$str = $this->get_var($parent);
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$qhandle = preg_quote($handle, '/');
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$reg = "/<!--\\s+BEGIN $qhandle\\s+-->(.*)\n\\s*<!--\\s+END $qhandle\\s+-->/s";
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$match = null;
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if (!preg_match($reg,$str,$match))
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{
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// unfortunaly some apps set non-existing blocks, therefor I have to disable this diagnostics again for now
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$this->halt("set_block: unable to find block '$handle' in '$parent'=<pre>".htmlspecialchars($str)."</pre> this->root=$this->root");
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// return False;
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}
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$this->set_var($handle,$match[1]);
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$this->set_var($parent,preg_replace($reg, '{' . "$name}",$str));
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}
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/* public: set_var(array $values)
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* values: array of variable name, value pairs.
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*
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* @param string|array $varname name of a variable to be defined or array with varname => value pairs
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* @param string $value ='' value of that variable, if it's not an array
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*/
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function set_var($varname, $value = '')
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{
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if (!is_array($varname))
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{
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if (empty($varname))
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{
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return;
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}
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$varname = array(
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$varname => $value
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);
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}
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foreach($varname as $k => $v)
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{
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if (!empty($k))
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{
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if ($this->debug && $this->check_debug('set_var',$k))
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{
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echo "<p>Template::set_var('$k','$v')</p>\n";
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}
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$this->varkeys[$k] = $this->varname($k);
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$this->varvals[$k] = $this->egroupware_hack ? str_replace(
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array('phpGroupWare','www.phpgroupware.org'),
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array('eGroupWare','www.eGroupWare.org'),$v
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) : $v;
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}
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}
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}
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/**
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* Substitue variables/placeholders and return result
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*
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* @param string $handle handle of template where variables are to be substituted
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* @return string
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*/
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function subst($handle)
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{
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if ($this->debug && $this->check_debug('subst',$handle))
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{
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echo "<p>Template::subst('$handle')</p>\n";
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}
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if (!$this->loadfile($handle))
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{
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$this->halt("subst: unable to load $handle.");
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return false;
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}
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$str = $this->get_var($handle);
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foreach($this->varkeys as $k => $v)
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{
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$str = str_replace($v, $this->varvals[$k], $str);
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}
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return $str;
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}
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/**
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* Substitue variables/placeholders and print result
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*
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* @param string $handle handle of template where variables are to be substituted
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* @return boolean false
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*/
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function psubst($handle)
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{
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print $this->subst($handle);
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return false;
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}
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/**
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* Substitue variables/placeholders, insert result into variable and return it
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*
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* @param string $target handle of variable to generate
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* @param string $handle handle of template where variables are to be substituted
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* @param boolean $append =false true: append to target handle
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* @return string
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*/
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function parse($target, $handle, $append = false)
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{
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if (!is_array($handle))
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{
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$str = $this->subst($handle);
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if ($append)
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{
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$this->set_var($target, $this->get_var($target) . $str);
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}
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else
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{
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$this->set_var($target, $str);
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}
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}
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else
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{
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foreach($handle as $h)
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{
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$str = $this->subst($h);
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$this->set_var($target, $str);
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}
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}
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return $str;
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}
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/**
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* Substitue variables/placeholders, insert result into variable and print it
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*
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* @param string $target handle of variable to generate
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* @param string $handle handle of template where variables are to be substituted
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* @param boolean $append =false true: append to target handle
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* @return boolean false
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*/
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function pparse($target, $handle, $append = false)
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{
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print $this->parse($target, $handle, $append);
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return false;
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}
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/**
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* This is short for finish parse
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*/
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function fp($target, $handle, $append = False)
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{
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return $this->finish($this->parse($target, $handle, $append));
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}
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/**
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* This is a short cut for print finish parse
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*/
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function pfp($target, $handle, $append = False)
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{
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echo $this->finish($this->parse($target, $handle, $append));
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}
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/**
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* Return all variables as array
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*
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* @return array
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*/
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function get_vars()
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{
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foreach(array_keys($this->varkeys) as $k)
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{
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$result[$k] = $this->varvals[$k];
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}
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return $result;
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}
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/**
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* Return a single or multiple variable
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*
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* @param string|array $varname variable name or array of names as key!
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* @return string|array value or array of values
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*/
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function get_var($varname)
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{
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if (!is_array($varname))
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{
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return $this->varvals[$varname];
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}
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else
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{
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foreach(array_keys($varname) as $k)
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{
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$result[$k] = $this->varvals[$k];
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}
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return $result;
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}
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}
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/**
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* Return undefined variables/placeholders of a handle
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*
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* @param string handle handle of a template
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* @return array|boolean array with undefined variables as key and value, or false if none
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*/
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function get_undefined($handle)
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{
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if (!$this->loadfile($handle))
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{
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$this->halt("get_undefined: unable to load $handle.");
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return false;
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}
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$matches = null;
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preg_match_all("/\{([^}]+)\}/", $this->get_var($handle), $matches);
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$m = $matches[1];
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if (!is_array($m))
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{
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return false;
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}
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foreach($m as $v)
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{
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if (!isset($this->varkeys[$v]))
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{
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$result[$v] = $v;
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}
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}
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if (count($result))
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{
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return $result;
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}
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else
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{
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return false;
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}
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}
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/**
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* Finish: remove or keep unknown variables/placeholders
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*
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* @param string $str string to finish
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*/
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function finish($str)
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{
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switch ($this->unknowns)
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{
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case 'keep':
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break;
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case 'remove':
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$str = preg_replace('/{[a-z0-9_-]+}/i', '', $str);
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break;
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case 'comment':
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$str = preg_replace('/{([a-z0-9_-]+)}/i', "<!-- Template variable \\1 undefined -->", $str);
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break;
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}
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return $str;
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}
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/**
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* Finish and print a given variable
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*
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* @param string $varname name of variable to print.
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*/
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function p($varname)
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{
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print $this->finish($this->get_var($varname));
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}
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/**
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* Finish and return a given variable
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*
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* @param string $varname name of variable to print.
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*/
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function get($varname)
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{
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return $this->finish($this->get_var($varname));
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}
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/**
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/*
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* @param string $filename name to be completed
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* @param string $root ='' default $this->root
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* @param int $time =1
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*/
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protected function filename($filename,$root='',$time=1)
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{
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if($root == '')
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{
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$root = $this->root;
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}
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if(substr($filename, 0, 1) != '/')
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{
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$new_filename = $root . '/' . $filename;
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}
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else
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{
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$new_filename = $filename;
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}
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if (!file_exists($new_filename))
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{
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if($time==2)
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{
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$this->halt("filename: file $new_filename does not exist.");
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}
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else
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{
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$new_root = dirname($root) . DIRECTORY_SEPARATOR . 'default';
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$new_filename = $this->filename(str_replace($root.'/','',$new_filename),$new_root,2);
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}
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}
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return $new_filename;
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}
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/**
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* @param string $varname name of a replacement variable to be protected
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*/
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protected function varname($varname)
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{
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return '{'.$varname.'}';
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}
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/**
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* @param string $handle load file defined by handle, if it is not loaded yet
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*/
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function loadfile($handle)
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{
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if ($this->debug && $this->check_debug('loadfile',$handle))
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{
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echo "<p>Template::loadfile('$handle') file=<pre>\n".print_r($this->file,True)."</pre>\n";
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echo "<p>backtrace: ".function_backtrace()."</p>\n";
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}
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if (isset($this->varkeys[$handle]) && !empty($this->varvals[$handle]))
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{
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return true;
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}
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if (!isset($this->file[$handle]))
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{
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if ($this->debug && $this->check_debug('loadfile',$handle))
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{
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echo "varkeys =<pre>".print_r($this->varkeys,True)."</pre>varvals =<pre>".print_r($this->varvals,True)."</pre>\n";
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}
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$this->halt("loadfile: $handle is not a valid handle.");
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return false;
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}
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$filename = $this->file[$handle];
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$str = file_get_contents($filename);
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if (empty($str))
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{
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$this->halt("loadfile: While loading $handle, $filename does not exist or is empty.");
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return false;
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}
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$this->set_var($handle, $str);
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return true;
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}
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|
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/**
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* Giving a error message and halt the execution (if $this->halt_on_error == 'yes')
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*
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* @param string $msg error message to show
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*/
|
|
function halt($msg)
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{
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$this->last_error = $msg;
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switch ($this->halt_on_error)
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{
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case 'no':
|
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// ignore error quitely
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break;
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case 'report':
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printf("<b>Template Error:</b> %s<br>\n", $msg);
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echo "<b>Backtrace</b>: ".function_backtrace(2)."<br>\n";
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break;
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case 'yes':
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throw new Api\Exception\WrongParameter('Template Error: '.$msg);
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}
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}
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|
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function check_debug()
|
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{
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if (!$this->debug) return False;
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|
|
foreach(func_get_args() as $arg)
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|
{
|
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if (!is_array($this->debug) && $this->debug === $arg ||
|
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(is_array($this->debug) && (@$this->debug[$arg] || in_array($arg,$this->debug,True))))
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{
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return True;
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}
|
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}
|
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return False;
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}
|
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|
|
/**
|
|
* get template dir of an application
|
|
*
|
|
* @param $appname appication name optional can be derived from $GLOBALS['egw_info']['flags']['currentapp'];
|
|
* @return string template directory
|
|
* @throws Api\Exception\WrongParameter if no directory is found
|
|
*/
|
|
static function get_dir($appname = '')
|
|
{
|
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if (!$appname)
|
|
{
|
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$appname = $GLOBALS['egw_info']['flags']['currentapp'];
|
|
}
|
|
if ($appname == 'logout' || $appname == 'login')
|
|
{
|
|
$appname = 'phpgwapi';
|
|
}
|
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|
|
if (!isset($GLOBALS['egw_info']['server']['template_set']) && isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
|
|
{
|
|
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
|
|
}
|
|
|
|
// Setting this for display of template choices in user preferences
|
|
if ($GLOBALS['egw_info']['server']['template_set'] == 'user_choice')
|
|
{
|
|
$GLOBALS['egw_info']['server']['usrtplchoice'] = 'user_choice';
|
|
}
|
|
|
|
if (($GLOBALS['egw_info']['server']['template_set'] == 'user_choice' ||
|
|
!isset($GLOBALS['egw_info']['server']['template_set'])) &&
|
|
isset($GLOBALS['egw_info']['user']['preferences']['common']['template_set']))
|
|
{
|
|
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw_info']['user']['preferences']['common']['template_set'];
|
|
}
|
|
if (!file_exists(EGW_SERVER_ROOT.'/phpgwapi/templates/'.basename($GLOBALS['egw_info']['server']['template_set']).'/class.'.
|
|
$GLOBALS['egw_info']['server']['template_set'].'_framework.inc.php') &&
|
|
!file_exists(EGW_SERVER_ROOT.'/'.basename($GLOBALS['egw_info']['server']['template_set']).'/inc/class.'.
|
|
$GLOBALS['egw_info']['server']['template_set'].'_framework.inc.php'))
|
|
{
|
|
$GLOBALS['egw_info']['server']['template_set'] = 'idots';
|
|
}
|
|
$tpldir = EGW_SERVER_ROOT . '/' . $appname . '/templates/' . $GLOBALS['egw_info']['server']['template_set'];
|
|
$tpldir_default = EGW_SERVER_ROOT . '/' . $appname . '/templates/default';
|
|
|
|
if (@is_dir($tpldir))
|
|
{
|
|
return $tpldir;
|
|
}
|
|
elseif (@is_dir($tpldir_default))
|
|
{
|
|
return $tpldir_default;
|
|
}
|
|
throw new Api\Exception\WrongParameter("Template directory for app '$appname' not found!");
|
|
}
|
|
}
|