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egroupware/etemplate/inc/class.soetemplate.inc.php

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<?php
/**************************************************************************\
* phpGroupWare - EditableTemplates - Storage Objects *
* http://www.phpgroupware.org *
* Written by Ralf Becker <RalfBecker@outdoor-training.de> *
* -------------------------------------------- *
* This program is free software; you can redistribute it and/or modify it *
* under the terms of the GNU General Public License as published by the *
* Free Software Foundation; either version 2 of the License, or (at your *
* option) any later version. *
\**************************************************************************/
/* $Id$ */
/*!
@class soetemplate
@author ralfbecker
@abstract Storage Objects: Everything to store and retrive the eTemplates.
@discussion eTemplates are stored in the db in table 'phpgw_etemplate' and gets distributed
@discussion through the file 'etemplates.inc.php' in the setup dir of each app. That file gets
@discussion automatically imported in the db, whenever you show a eTemplate of the app. For
@discussion performace reasons the timestamp of the file is stored in the db, so 'new'
@discussion eTemplates need to have a newer file. The distribution-file is generated with the
@discussion function dump, usually by pressing a button in the editor.
@discussion writeLangFile writes an lang-file with all Labels, incorporating an existing one.
@discussion Beside a name eTemplates use the following keys to find the most suitable template
@discussion for an user (in order of precedence):
@discussion 1) User-/Group-Id (not yet implemented)
@discussion 2) preferd languages of the user (templates for all langs have $lang='')
@discussion 3) selected template: verdilak, ... (the default is called '' in the db, not default)
@discussion 4) a version-number of the form, eg: '0.9.13.001' (filled up with 0 same size)
*/
class soetemplate
{
var $public_functions = array(
'init' => True,
'read' => True,
'search' => True,
'save' => True,
'delete' => True,
'dump2setup' => True,
'import_dump' => True,
'writeLangFile' => True
);
var $debug; // =1 show some debug-messages, = 'app.name' show messages only for eTemplate 'app.name'
var $name; // name of the template, e.g. 'infolog.edit'
var $template; // '' = default (not 'default')
var $lang; // '' if general template else language short, e.g. 'de'
var $group; // 0 = not specific else groupId or if < 0 userId
var $version; // like 0.9.13.001
var $size; // witdh,height,border of table
var $style; // embeded CSS style-sheet
var $db,$db_name = 'phpgw_etemplate'; // DB name
var $db_key_cols = array(
'et_name' => 'name',
'et_template' => 'template',
'et_lang' => 'lang',
'et_group' => 'group',
'et_version' => 'version'
);
var $db_data_cols = array(
'et_data' => 'data',
'et_size' => 'size',
'et_style' => 'style',
'et_modified' => 'modified'
);
var $db_cols;
/*!
@function soetemplate
@abstract constructor of the class
@param as read
*/
function soetemplate($name='',$template='',$lang='',$group=0,$version='',$rows=2,$cols=2)
{
$this->db = $GLOBALS['phpgw']->db;
$this->db_cols = $this->db_key_cols + $this->db_data_cols;
if (empty($name))
{
$this->init($name,$template,$lang,$group,$version,$rows,$cols);
}
else
{
$this->read($name,$template,$lang,$group,$version,$rows,$cols);
}
}
/*!
@function num2chrs
@abstract generates column-names from index: 'A', 'B', ..., 'AA', 'AB', ..., 'ZZ' (not more!)
@param $num index to generate name from 1 => 'A'
@result the name
*/
function num2chrs($num)
{
$min = ord('A');
$max = ord('Z') - $min + 1;
if ($num >= $max)
{
$chrs = chr(($num / $max) + $min - 1);
}
$chrs .= chr(($num % $max) + $min);
return $chrs;
}
/*!
@function empty_cell
@abstracts constructor for a new / empty cell (nothing fancy so far)
@result the cell
*/
function empty_cell()
{
return array('type' => 'label', 'name' => '');
}
/*!
@function set_rows_cols()
@abstract initialises rows & cols from the size of the data-array
*/
function set_rows_cols()
{
$this->rows = count($this->data) - 1;
$this->cols = count($this->data[1]); // 1 = first row, not 0
}
/*!
@function init
@abstract initialises all internal data-structures of the eTemplate and sets the keys
@param $name name of the eTemplate or array with the keys or all data
@param $template,$lang,$group,$version see class
@param $rows,$cols initial size of the template
*/
function init($name='',$template='',$lang='',$group=0,$version='',$rows=1,$cols=1)
{
reset($this->db_cols);
while (list($db_col,$col) = each($this->db_cols))
{
$this->$col = is_array($name) ? $name[$col] : $$col;
}
if ($this->template == 'default')
{
$this->template = '';
}
if ($this->lang == 'default')
{
$this->lang = '';
}
$this->tpls_in_file = is_array($name) ? $name['tpls_in_file'] : 0;
if (is_array($name) && isset($name['data']))
{
$this->set_rows_cols();
return; // data already set
}
$this->size = $this->style = '';
$this->data = array();
$this->rows = $rows < 0 ? 1 : $rows;
$this->cols = $cols < 0 ? 1 : $cols;
for ($row = 1; $row <= $rows; ++$row)
{
for ($col = 0; $col < $cols; ++$col)
{
$this->data[$row][$this->num2chrs($col)] = $this->empty_cell();
}
}
}
/*!
@function read
@abstract Reads an eTemplate from the database
@param as discripted with the class, with the following exeptions
@param $template as '' loads the prefered template 'default' loads the default one '' in the db
@param $lang as '' loads the pref. lang 'default' loads the default one '' in the db
@param $group is NOT used / implemented yet
@result True if a fitting template is found, else False
*/
function read($name,$template='default',$lang='default',$group=0,$version='')
{
$this->init($name,$template,$lang,$group,$version);
if ($this->debug == 1 || $this->debug == $this->name)
{
echo "<p>soetemplate::read('$this->name','$this->template','$this->lang',$this->group,'$this->version')</p>\n";
}
if (($GLOBALS['phpgw_info']['server']['eTemplate-source'] == 'files' ||
$GLOBALS['phpgw_info']['server']['eTemplate-source'] == 'xslt') && $this->readfile())
{
return True;
}
if ($this->name)
{
$this->test_import($this->name); // import updates in setup-dir
}
$pref_lang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
$pref_templ = $GLOBALS['phpgw_info']['server']['template_set'];
$sql = "SELECT * FROM $this->db_name WHERE et_name='$this->name' AND ";
if (is_array($name))
{
$template = $name['template'];
}
if ($template == 'default')
{
$sql .= "(et_template='$pref_templ' OR et_template='')";
}
else
{
$sql .= "et_template='$this->template'";
}
$sql .= ' AND ';
if (is_array($name))
{
$lang = $name['lang'];
}
if ($lang == 'default' || $name['lang'] == 'default')
{
$sql .= "(et_lang='$pref_lang' OR et_lang='')";
}
else
{
$sql .= "et_lang='$this->lang'";
}
if ($this->version != '')
{
$sql .= "AND et_version='$this->version'";
}
$sql .= " ORDER BY et_lang DESC,et_template DESC,et_version DESC";
if ($this->debug == $this->name)
{
echo "<p>soetemplate::read: sql='$sql'</p>\n";
}
$this->db->query($sql,__LINE__,__FILE__);
if (!$this->db->next_record())
{
$version = $this->version;
return $this->readfile() && (empty($version) || $version == $this->version);
}
$this->db2obj();
return True;
}
/*!
@function readfile
@abstract Reads an eTemplate from the filesystem, the keys are already set by init in read
@result True if a template is found, else False
*/
function readfile()
{
list($app,$name) = split("\.",$this->name,2);
$template = $this->template == '' ? 'default' : $this->template;
if ($this->lang)
{
$lang = '.' . $this->lang;
}
$first_try = $ext = $GLOBALS['phpgw_info']['server']['eTemplate-source'] == 'xslt' ? '.xsl' : '.xet';
while ((!$lang || !@file_exists($file = PHPGW_SERVER_ROOT . "/$app/templates/$template/$name$lang$ext") &&
!@file_exists($file = PHPGW_SERVER_ROOT . "/$app/templates/default/$name$lang$ext")) &&
!@file_exists($file = PHPGW_SERVER_ROOT . "/$app/templates/$template/$name$ext") &&
!@file_exists($file = PHPGW_SERVER_ROOT . "/$app/templates/default/$name$ext"))
{
if ($ext == $first_try)
{
$ext = $ext == '.xet' ? '.xsl' : '.xet';
if ($this->debug == 1 || $this->name != '' && $this->debug == $this->name)
{
echo "<p>tried '$file' now trying it with extension '$ext' !!!</p>\n";
}
}
else
{
break;
}
}
if ($this->name == '' || $app == '' || $name == '' || !@file_exists($file) || !($f = @fopen($file,'r')))
{
if ($this->debug == 1 || $this->name != '' && $this->debug == $this->name)
{
echo "<p>Can't open template '$this->name' / '$file' !!!</p>\n";
}
return False;
}
$xml = fread ($f, filesize ($file));
fclose($f);
if ($ext == '.xsl')
{
$cell = $this->empty_cell();
$cell['type'] = 'xslt';
$cell['size'] = $this->name;
//$cell['xslt'] = &$xml; xslttemplate class cant use it direct at the moment
$cell['name'] = '';
$this->data = array(0 => array(),1 => array('A' => &$cell));
$this->rows = $this->cols = 1;
}
else
{
if (!is_object($this->xul_io))
{
$this->xul_io = CreateObject('etemplate.xul_io');
}
$loaded = $this->xul_io->import(&$this,$xml);
if (!is_array($loaded))
{
return False;
}
$this->name = $app . '.' . $name; // if template was copied or app was renamed
$this->tpls_in_file = count($loaded);
}
return True;
}
/*!
@function search
@syntax search($name,$template='default',$lang='default',$group=0,$version='')
@author ralfbecker
@abstract Lists the eTemplates matching the given criteria
@param as discripted with the class, with the following exeptions
@param $template as '' loads the prefered template 'default' loads the default one '' in the db
@param $lang as '' loads the pref. lang 'default' loads the default one '' in the db
@param $group is NOT used / implemented yet
@result array of arrays with the template-params
*/
function search($name,$template='default',$lang='default',$group=0,$version='')
{
if ($this->name)
{
$this->test_import($this->name); // import updates in setup-dir
}
$pref_lang = $GLOBALS['phpgw_info']['user']['preferences']['common']['lang'];
$pref_templ = $GLOBALS['phpgw_info']['server']['template_set'];
if (is_array($name))
{
$template = $name['template'];
$lang = $name['lang'];
$group = $name['group'];
$version = $name['version'];
$name = $name['name'];
}
$sql = "SELECT et_name,et_template,et_lang,et_group,et_version FROM $this->db_name WHERE et_name LIKE '$name%'";
if ($template != '' && $template != 'default')
{
$sql .= " AND et_template LIKE '$template%'";
}
if ($lang != '' && $lang != 'default')
{
$sql .= " AND et_lang LIKE '$lang%'";
}
if ($this->version != '')
{
$sql .= " AND et_version LIKE '$version%'";
}
$sql .= " ORDER BY et_name DESC,et_lang DESC,et_template DESC,et_version DESC";
$this->db->query($sql,__LINE__,__FILE__);
$result = array();
while ($this->db->next_record())
{
if ($this->db->f('et_lang') != '##') // exclude or import-time-stamps
{
$result[] = $this->db->Record;
}
}
return $result;
}
/*!
@function db2obj
@abstract copies all cols into the obj and unserializes the data-array
*/
function db2obj()
{
for (reset($this->db_cols); list($db_col,$name) = each($this->db_cols); )
{
$this->$name = $this->db->f($db_col);
}
$this->data = unserialize(stripslashes($this->data));
if ($this->name[0] != '.')
{
reset($this->data); each($this->data);
while (list($row,$cols) = each($this->data))
{
while (list($col,$cell) = each($cols))
{
if (is_array($cell['type']))
{
$this->data[$row][$col]['type'] = $cell['type'][0];
//echo "corrected in $this->name cell $col$row attribute type<br>\n";
}
if (is_array($cell['align']))
{
$this->data[$row][$col]['align'] = $cell['align'][0];
//echo "corrected in $this->name cell $col$row attribute align<br>\n";
}
}
}
}
$this->set_rows_cols();
}
/*!
@function compress_array
@syntax compress_array( $arr )
@author ralfbecker
@abstract to save space in the db all empty values in the array got unset
@discussion The never-'' type field ensures a cell does not disapear completely.
@discussion Calls it self recursivly for arrays / the rows
@param $arr the array to compress
@result the compressed array
*/
function compress_array($arr)
{
if (!is_array($arr))
{
return $arr;
}
while (list($key,$val) = each($arr))
{
if (is_array($val))
{
$arr[$key] = $this->compress_array($val);
}
elseif ($val == '' || $val == '0')
{
unset($arr[$key]);
}
}
return $arr;
}
/*!
@function as_array
@abstract returns obj-data as array
@param $data_too 0 = no data array, 1 = data array too, 2 = serialize data array
@result the array
*/
function as_array($data_too=0)
{
$arr = array();
reset($this->db_cols);
while (list($db_col,$col) = each($this->db_cols))
{
if ($col != 'data' || $data_too)
{
$arr[$col] = $this->$col;
}
}
if ($data_too == 2)
{
$arr['data'] = serialize($arr['data']);
}
if ($this->tpls_in_file) {
$arr['tpls_in_file'] = $this->tpls_in_file;
}
return $arr;
}
/*!
@function save
@abstract saves eTemplate-object to db, can be used as saveAs by giving keys as params
@params keys see class
@result the number of affected rows, 1 should be ok, 0 somethings wrong
*/
function save($name='',$template='.',$lang='.',$group='',$version='.')
{
if (is_array($name))
{
$template = $name['template'];
$lang = $name['lang'];
$group = $name['group'];
$version = $name['version'];
$name = $name['name'];
}
if ($name != '')
{
$this->name = $name;
}
if ($lang != '.')
{
$this->lang = $lang;
}
if ($template != '.')
{
$this->template = $template;
}
if ($group != '')
{
$this->group = $group;
}
if ($version != '.')
{
$this->version = $version;
}
if ($this->name == '') // name need to be set !!!
{
return False;
}
if ($this->debug > 0 || $this->debug == $this->name)
{
echo "<p>soetemplate::save('$this->name','$this->template','$this->lang',$this->group,'$this->version')</p>\n";
}
$this->delete(); // so we have always a new insert
if ($this->name[0] != '.') // correct up old messed up templates
{
reset($this->data); each($this->data);
while (list($row,$cols) = each($this->data))
{
while (list($col,$cell) = each($cols))
{
if (is_array($cell['type'])) {
$this->data[$row][$col]['type'] = $cell['type'][0];
//echo "corrected in $this->name cell $col$row attribute type<br>\n";
}
if (is_array($cell['align'])) {
$this->data[$row][$col]['align'] = $cell['align'][0];
//echo "corrected in $this->name cell $col$row attribute align<br>\n";
}
}
}
}
if (!$this->modified)
{
$this->modified = time();
}
$data = $this->as_array(1);
$data['data'] = serialize($this->compress_array($data['data']));
$sql = "INSERT INTO $this->db_name (";
for (reset($this->db_cols); list($db_col,$col) = each($this->db_cols); )
{
$sql .= $db_col . ',';
$vals .= "'" . addslashes($data[$col]) . "',";
}
$sql[strlen($sql)-1] = ')';
$sql .= " VALUES ($vals";
$sql[strlen($sql)-1] = ')';
$this->db->query($sql,__LINE__,__FILE__);
return $this->db->affected_rows();
}
/*!
@function delete
@abstract Deletes the eTemplate from the db, object itself is unchanged
@result the number of affected rows, 1 should be ok, 0 somethings wrong
*/
function delete()
{
for (reset($this->db_key_cols); list($db_col,$col) = each($this->db_key_cols); )
{
$vals .= ($vals ? ' AND ' : '') . $db_col . "='" . $this->$col . "'";
}
$this->db->query("DELETE FROM $this->db_name WHERE $vals",__LINE__,__FILE__);
return $this->db->affected_rows();
}
/*!
@function dump2setup
@abstract dumps all eTemplates to <app>/setup/etemplates.inc.php for distribution
@param $app app- or template-name
@result the number of templates dumped as message
*/
function dump2setup($app)
{
list($app) = explode('.',$app);
$this->db->query("SELECT * FROM $this->db_name WHERE et_name LIKE '$app%'");
$dir = PHPGW_SERVER_ROOT . "/$app/setup";
if (!is_writeable($dir))
{
return "Error: webserver is not allowed to write into '$dir' !!!";
}
$file = "$dir/etemplates.inc.php";
if (file_exists($file))
{
rename($file,"$dir/etemplates.old.inc.php");
}
if (!($f = fopen($file,'w')))
{
return 0;
}
fwrite($f,"<?php\n// eTemplates for Application '$app', generated by etemplate.dump() ".date('Y-m-d H:i')."\n\n");
for ($n = 0; $this->db->next_record(); ++$n)
{
$str = '$templ_data[] = array(';
for (reset($this->db_cols); list($db_col,$name) = each($this->db_cols); )
{
$str .= "'$name' => '".addslashes($this->db->f($db_col))."',";
}
$str .= ");\n\n";
fwrite($f,$str);
}
fclose($f);
return "$n eTemplates for Application '$app' dumped to '$file'";
}
/*!
@function getToTranslate
@abstract extracts all texts: labels and helptexts from an eTemplate-object
@discussion some extensions use a '|' to squezze multiple texts in a label or help field
@result array with messages as key AND value
*/
function getToTranslate()
{
$to_trans = array();
reset($this->data); each($this->data); // skip width
while (list($row,$cols) = each($this->data))
{
while (list($col,$cell) = each($cols))
{
$all = explode('|',$cell['help'].($cell['type'] != 'image'?'|'.$cell['label']:''));
while (list(,$str) = each($all))
{
if (strlen($str) > 1)
{
$to_trans[strtolower($str)] = $str;
}
}
}
}
return $to_trans;
}
/*!
@function getToTranslateApp
@abstract Read all eTemplates of an app an extracts the texts to an array
@param $app name of the app
@result the array with texts
*/
function getToTranslateApp($app)
{
$to_trans = array();
$tmpl = new soetemplate; // to not alter our own data
$tmpl->db->query("SELECT * FROM $this->db_name WHERE et_name LIKE '$app.%'");
for ($n = 0; $tmpl->db->next_record(); ++$n)
{
$tmpl->db2obj();
$to_trans += $tmpl->getToTranslate();
}
return $to_trans;
}
/*!
@function writeLangFile
@abstract Write new lang-file using the existing one and all text from the eTemplates
@param $app app- or template-name
@param $lang language the messages in the template are, defaults to 'en'
@param $additional extra texts to translate, if you pass here an array with all messages and
@param select-options they get writen too (form is <unique key> => <message>)
@result message with number of messages written (total and new)
*/
function writeLangFile($app,$lang='en',$additional='')
{
if (!$additional)
{
$addtional = array();
}
list($app) = explode('.',$app);
$solangfile = CreateObject('developer_tools.solangfile');
$langarr = $solangfile->load_app($app,$lang);
$to_trans = $this->getToTranslateApp($app);
if (is_array($additional))
{
//echo "writeLangFile: additional ="; _debug_array($additional);
reset($additional);
while (list($nul,$msg) = each($additional))
{
$to_trans[strtolower($msg)] = $msg;
}
}
for ($new = $n = 0; list($message_id,$content) = each($to_trans); ++$n) {
if (!isset($langarr[$content]) && !isset($langarr[$message_id]))
{ // caused by not lowercased-message_id's
$langarr[$message_id] = $langarr[$content];
unset($langarr[$content]);
}
if (!isset($langarr[$message_id]))
{
$langarr[$message_id] = array(
'message_id' => $message_id,
'app_name' => $app,
'content' => $content
);
++$new;
}
}
ksort($langarr);
$dir = PHPGW_SERVER_ROOT . "/$app/setup";
if (!is_writeable($dir))
{
return "Error: webserver is not allowed to write into '$dir' !!!";
}
$file = "$dir/phpgw_$lang.lang";
if (file_exists($file))
{
rename($file,"$dir/phpgw_$lang.old.lang");
}
$solangfile->write_file($app,$langarr,$lang);
$solangfile->loaddb($app,$lang);
return "$n ($new new) Messages writen for Application '$app' and Languages '$lang'";
}
/*!
@function import_dump
@abstract Imports the dump-file /$app/setup/etempplates.inc.php unconditional (!)
@param $app app name
@result message with number of templates imported
*/
function import_dump($app)
{
include($path = PHPGW_SERVER_ROOT."/$app/setup/etemplates.inc.php");
$templ = new etemplate($app);
for ($n = 0; isset($templ_data[$n]); ++$n)
{
for (reset($this->db_cols); list($db_col,$name) = each($this->db_cols); )
{
$templ->$name = $templ_data[$n][$name];
}
$templ->data = unserialize(stripslashes($templ->data));
if (!$templ->modified)
{
$templ->modified = filemtime($path);
}
$templ->save();
}
return "$n new eTemplates imported for Application '$app'";
}
/*!
@function test_import
@abstract test if new template-import necessary for app and does the import
@discussion Get called on every read of a eTemplate, caches the result in phpgw_info.
@discussion The timestamp of the last import for app gets written into the db.
@param $app app- or template-name
*/
function test_import($app) // should be done from the setup-App
{
list($app) = explode('.',$app);
if (!$app || $GLOBALS['phpgw_info']['etemplate']['import_tested'][$app])
{
return ''; // ensure test is done only once per call and app
}
$GLOBALS['phpgw_info']['etemplate']['import_tested'][$app] = True; // need to be done before new ...
$path = PHPGW_SERVER_ROOT."/$app/setup/etemplates.inc.php";
if ($time = @filemtime($path))
{
$templ = new soetemplate(".$app",'','##');
if ($templ->lang != '##' || $templ->modified < $time) // need to import
{
$ret = $this->import_dump($app);
$templ->modified = $time;
$templ->save(".$app",'','##');
}
}
return $ret;
}
};
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