egroupware/preferences/inc/class.preferences_settings.inc.php
2014-10-21 09:17:11 +00:00

645 lines
22 KiB
PHP

<?php
/**
* EGroupware: Preferences app UI for settings/preferences
*
* @link http://www.egroupware.org
* @author Ralf Becker <rb@stylite.de>
* @package preferences
* @copyright (c) 2013-14 by Ralf Becker <rb@stylite.de>
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @version $Id$
*/
/**
* UI for settings / preferences
*/
class preferences_settings
{
/**
* Methods callable via menuaction
* @var array
*/
public $public_functions = array(
'index' => true,
);
/**
* App we work on
* @var string
*/
public $appname = 'preferences';
/**
* Preferences read by call_hook
* @var array
*/
public $settings = array();
/**
* Edit preferences
*
* @param array $content =null
* @param string $msg =''
*/
function index(array $content=null, $msg='')
{
$tpl = new etemplate_new('preferences.settings');
if (!is_array($content))
{
$appname = isset($_GET['appname']) && $_GET['appname'] != 'preferences' &&
isset($GLOBALS['egw_info']['user']['apps'][$_GET['appname']]) ? $_GET['appname'] : 'common';
$type = 'user';
$account_id = $GLOBALS['egw_info']['user']['account_id'];
if ($GLOBALS['egw_info']['user']['apps']['admin'] &&
isset($_GET['account_id']) && (int)$_GET['account_id'] &&
$GLOBALS['egw']->accounts->exists((int)$_GET['account_id']))
{
$account_id = (int)$_GET['account_id'];
$type = $_GET['account_id'] < 0 ? 'group' : 'user';
}
$content['current_app'] = isset($GLOBALS['egw_info']['user']['apps'][$_GET['current_app']]) ? $_GET['current_app'] : $appname;
}
else
{
//error_log(__METHOD__."(".array2string($content).")");
if ($content['button'])
{
list($button) = each($content['button']);
$appname = $content['old_appname'] ? $content['old_appname'] : 'common';
switch($button)
{
case 'save':
case 'apply':
// check if user has rights to store preferences for $type and $account_id
if ($content['old_type'] !== 'user' && !$GLOBALS['egw_info']['user']['apps']['admin'])
{
throw new egw_exception_no_permission_admin;
}
list($type,$account_id) = explode(':', $content['old_type']);
// merge prefs of all tabs together again
$prefs = array();
foreach($content as $name => $val)
{
if (is_array($val) && strpos($name, 'tab') === 0)
{
$prefs = array_merge($prefs, $val);
}
}
//error_log(__METHOD__."() button=$button, content=".array2string($content).' --> prefs='.array2string($prefs));;;
if ($account_id && $account_id != $GLOBALS['egw']->preferences->get_account_id())
{
$GLOBALS['egw']->preferences->set_account_id($account_id);
$GLOBALS['egw']->preferences->read_repository();
}
// name of common preferences which require reload of framework, if there values change
$require_reload = array('template_set', 'lang');
$old_values = array_intersect_key($GLOBALS['egw_info']['user']['preferences']['common'], array_flip($require_reload));
$attribute = $type == 'group' ? 'user' : $type;
if (!($msg=$this->process_array($GLOBALS['egw']->preferences->$attribute, $prefs, $content['types'], $appname, $attribute)))
{
$msg_type = 'success';
$msg = lang('Preferences saved.');
// do we need to reload whole framework
if ($appname == 'common')
{
if ($account_id && $GLOBALS['egw']->preferences->get_account_id() != $GLOBALS['egw_info']['user']['account_id'])
{
$GLOBALS['egw']->preferences->set_account_id($GLOBALS['egw_info']['user']['account_id']);
}
$GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->read_repository();
$new_values = array_intersect_key($GLOBALS['egw_info']['user']['preferences']['common'], array_flip($require_reload));
//error_log(__METHOD__."() ".__LINE__.": old_values=".array2string($old_values).", new_values=".array2string($new_values));
if ($old_values != $new_values)
{
egw_framework::refresh_opener($msg, null, null, null, null, null, null, $msg_type);
}
}
}
// update client-side preferences in response
egw_framework::ajax_get_preference($appname);
}
if (in_array($button, array('save','cancel')))
{
egw_json_response::get()->call('egw.message', $msg, $msg_type);
egw_framework::window_close();
}
}
$appname = $content['appname'] ? $content['appname'] : 'common';
list($type,$account_id) = explode(':', $content['type']);
//_debug_array($prefs);
}
if ($account_id && $account_id != $GLOBALS['egw']->preferences->get_account_id())
{
$GLOBALS['egw']->preferences->set_account_id($account_id);
$GLOBALS['egw']->preferences->read_repository();
}
$preserve = array('types' => array());
// preserv open tab, if appname is not chanaged
if (!isset($content['old_appname']) || $content['old_appname'] == $content['appname'] ||
$content['old_appname'] == 'common' && !$content['appname'])
{
$old_tab = $content['tabs'];
}
// we need to run under calling app, to be able to restore it to it's index page after
$preserve['current_app'] = $content['current_app'];
$GLOBALS['egw_info']['flags']['currentapp'] = $content['current_app'] == 'common' ?
'preferences' : $content['current_app'];
egw_framework::includeCSS('preferences','app');
// if not just saved, call validation before, to be able to show failed validation of current prefs
if (!isset($button))
{
$attribute = $type == 'group' ? 'user' : $type;
$msg = $this->process_array($GLOBALS['egw']->preferences->$attribute,
(array)$GLOBALS['egw']->preferences->{$attribute}[$appname], $preserve['types'], $appname, $attribute, true);
}
$sel_options = $readonlys = null;
$data = $this->get_content($appname, $type, $sel_options, $readonlys, $preserve['types'], $tpl);
$preserve['appname'] = $preserve['old_appname'] = $data['appname'];
$preserve['type'] = $preserve['old_type'] = $data['type'];
if (isset($old_tab)) $data['tabs'] = $old_tab;
if ($msg) egw_framework::message($msg, $msg_type ? $msg_type : 'error');
$tpl->exec('preferences.preferences_settings.index', $data, $sel_options, $readonlys, $preserve, 2);
}
/**
* Verify and save preferences
*
* @param array &$repository values get updated here
* @param array $values new values
* @param array $types setting-name => type
* @param string $appname appname or 'common'
* @param string $type 'user', 'default', 'forced'
* @param boolean $only_verify =false
* @return string with verification error or null on success
*/
function process_array(array &$repository, array $values, array $types, $appname, $type, $only_verify=false)
{
//_debug_array($repository);
$prefs = &$repository[$appname];
unset($prefs['']);
//_debug_array($values);exit;
foreach($values as $var => $value)
{
// type specific validation
switch((string)$types[$var])
{
case 'password': // dont write empty password-fields
if (empty($value)) continue 2;
break;
case 'vfs_file':
case 'vfs_dir':
case 'vfs_dirs':
if ($value === '')
{
// empty is always allowed
// If forced, empty == not set
if($type == 'forced')
{
unset($prefs[$var]);
// need to call preferences::delete, to also set affective prefs!
if (!$only_verify) $GLOBALS['egw']->preferences->delete($appname, $var, $type);
continue 2;
}
}
elseif ($types[$var] == 'vfs_file')
{
if ($value[0] != '/' || !egw_vfs::stat($value) || egw_vfs::is_dir($value))
{
$error = lang('%1 is no existing vfs file!',htmlspecialchars($value));
}
}
else
{
// split multiple comma or whitespace separated directories
// to still allow space or comma in dirnames, we also use the trailing slash of all pathes to split
foreach($types[$var] == 'vfs_dir' ? array($value) : preg_split('/[,\s]+\//', $value) as $n => $dir)
{
if ($n) $dir = '/'.$dir; // re-adding trailing slash removed by split
if ($dir[0] != '/' || !egw_vfs::stat($dir) || !egw_vfs::is_dir($dir))
{
$error .= ($error ? ' ' : '').lang('%1 is no existing vfs directory!',$dir);
}
}
}
break;
case 'Array': // notify
$value = $GLOBALS['egw']->preferences->lang_notify($value, $types[$var], True);
break;
}
if (isset($value) && $value !== '' && $value !== '**NULL**' && $value !== array())
{
if (is_array($value)) $value = implode(',',$value); // multiselect
$prefs[$var] = $value;
// need to call preferences::add, to also set affective prefs!
if (!$only_verify) $GLOBALS['egw']->preferences->add($appname, $var, $prefs[$var], $type);
}
else
{
unset($prefs[$var]);
// need to call preferences::delete, to also set affective prefs!
if (!$only_verify) $GLOBALS['egw']->preferences->delete($appname, $var, $type);
}
}
// the following hook can be used to verify the prefs
// if you return something else than False, it is treated as an error-msg and
// displayed to the user (the prefs are not saved)
//
if(($error .= $GLOBALS['egw']->hooks->single(array(
'location' => 'verify_settings',
'prefs' => &$repository[$appname],
'type' => $type,
'preprocess' => $only_verify,
),
$appname
)))
{
return $error;
}
if (!$only_verify) $GLOBALS['egw']->preferences->save_repository(True,$type);
// certain common prefs (language, template, ...) require the session to be re-created
if ($appname == 'common' && !$only_verify)
{
egw::invalidate_session_cache();
}
return null;
}
/**
* Get content, sel_options and readonlys for given appname and type
*
* @param string $appname appname or 'common'
* @param string $type
* @param array &$sel_options
* @param array &$readonlys
* @param array &$types on return setting-name => setting-type
* @param etemplate $tpl
* @throws egw_exception_wrong_parameter
* @return array content
*/
function get_content($appname, $type, &$sel_options, &$readonlys, &$types, $tpl)
{
if (!$this->call_hook($appname, $type, $GLOBALS['egw']->preferences->get_account_id()))
{
throw new egw_exception_wrong_parameter("Could not find settings for application: ".$appname);
}
$attribute = $type == 'group' ? 'user' : $type;
//error_log(__METHOD__."('$appname', '$type' ) attribute='$attribute', preferences->account_id=".$GLOBALS['egw']->preferences->get_account_id());
//_debug_array($this->settings); exit;
$sel_options = $readonlys = $content = $tabs = array();
// disable all but first tab and name current tab "tab1", for apps not using sections
$tab = 'tab1';
foreach($this->settings as $setting)
{
if (!is_array($setting)) continue;
if ($type != 'forced' && (string)$GLOBALS['egw']->preferences->forced[$appname][$setting['name']] !== '')
{
continue; // forced preferences are not displayed, unless we edit them
}
$types[$setting['name']] = $old_type = $setting['type'];
switch($old_type)
{
case 'section':
$tab = 'tab'.(1+count($tabs));
$tabs[] = array(
'id' => $tab,
'template' => 'preferences.settings.tab1',
'label' => $setting['title'],
);
// fall through
case 'subsection': // is in old code, but never seen it used
continue 2;
case 'notify':
$vars = $GLOBALS['egw']->preferences->vars;
if (is_array($setting['values'])) $vars += $setting['values'];
$GLOBALS['egw']->preferences->{$attribute}[$appname][$setting['name']] =
$GLOBALS['egw']->preferences->lang_notify($GLOBALS['egw']->preferences->{$attribute}[$appname][$setting['name']], $vars);
$types[$setting['name']] = $vars; // store vars for re-translation, instead type "notify"
if ($setting['help'] && ($setting['run_lang'] || !isset($setting['run_lang'])))
{
$setting['help'] = lang($setting['help']);
}
$setting['help'] .= '<p><b>'.lang('Substitutions and their meanings:').'</b>';
foreach($vars as $var => $var_help)
{
$lname = ($lname = lang($var)) == $var.'*' ? $var : $lname;
$setting['help'] .= "<br>\n".'<b>$$'.$lname.'$$</b>: '.$var_help;
}
$setting['help'] .= "</p>\n";
$setting['run_lang'] = false; // already done now
// handle as textarea
case 'textarea':
$setting['type'] = is_a($tpl, 'etemplate') ? 'textarea' : 'textbox';
$tpl->setElementAttribute($tab.'['.$setting['name'].']', 'multiline', 'true');
// anyway setting via css: width: 99%, height: 5em
// for old eT use size attribute
if (is_a($tpl, 'etemplate') && (!empty($setting['cols']) || !empty($setting['rows'])))
{
$setting['size'] = $setting['rows'].','.$setting['cols'];
}
break;
case 'password':
case 'vfs_file':
case 'vfs_dir':
case 'vfs_dirs':
case 'input':
$setting['type'] = 'textbox';
break;
case 'check':
$setting['type'] = 'select';
$setting['values'] = array('1' => lang('yes'), '0' => lang('no'));
break;
case 'multiselect':
$setting['type'] = 'select';
$tpl->setElementAttribute($tab.'['.$setting['name'].']', 'rows', 5);
if (!isset($setting['size'])) $setting['size'] = '5'; // old eT
break;
case 'color':
$setting['type'] = 'colorpicker';
break;
case 'date-duration':
if (!isset($setting['size'])) $setting['size'] = 'm,dhm,24,1';
$attrs = explode(',', $setting['size']);
foreach(array("data_format","display_format", "hours_per_day", "empty_not_0", "short_labels") as $n => $name)
{
if ((string)$attrs[$n] !== '') $tpl->setElementAttribute($tab.'['.$setting['name'].']', $name, $attrs[$n]);
}
break;
}
// move values/options to sel_options array
if (isset($setting['values']) && is_array($setting['values']))
{
if ($old_type != 'multiselect' && $old_type != 'notify')
{
switch($type)
{
case 'user':
$setting['values'] = array('' => lang('Use default'))+$setting['values'];
break;
case 'default':
case 'group':
$setting['values'] = array('' => lang('No default'))+$setting['values'];
break;
case 'forced';
$setting['values'] = array('**NULL**' => lang('Users choice'))+$setting['values'];
break;
}
}
$sel_options[$setting['name']] = $setting['values'];
}
if ($type == 'user')
{
$default = $GLOBALS['egw']->preferences->group[$appname][$setting['name']] ?
$GLOBALS['egw']->preferences->group[$appname][$setting['name']] :
$GLOBALS['egw']->preferences->default[$appname][$setting['name']];
// replace default value(s) for selectboxes with selectbox labels
if (isset($setting['values']) && is_array($setting['values']))
{
$default = self::get_default_label($default, $setting['values']);
}
if (is_array($types[$setting['name']])) // translate the substitution names
{
$default = $GLOBALS['egw']->preferences->lang_notify($default, $types[$setting['name']]);
}
}
if ($setting['help'] && ($setting['run_lang'] || !isset($setting['run_lang'])))
{
$setting['help'] = lang($setting['help']);
}
$content[$tab][] = array(
'name' => $setting['name'],
'type' => $setting['type'],
'label' => preg_replace('|<br[ /]*>|i', "\n", $setting['label']),
'help' => lang($setting['help']), // is html
//'size' => $setting['size'], // old eT
'default' => !empty($default) ? lang('Default').': '.$default : null,
'onchange' => $setting['onchange'],
);
//error_log("appname=$appname, attribute=$attribute, setting=".array2string($setting));
$content[$tab][$setting['name']] = $GLOBALS['egw']->preferences->{$attribute}[$appname][$setting['name']];
//if ($old_type == 'multiselect') $content[$tab][$setting['name']] = explode(',', $content[$tab][$setting['name']]);
}
// defining used tabs on run-time
if ($tabs)
{
$tpl->setElementAttribute('tabs', 'tabs', $tabs);
}
else
{
// Modifications are kept in the request, so reset to just one
$tpl->setElementAttribute('tabs', 'tabs', array(array(
'id' => 'tab1',
'template' => 'preferences.settings.tab1',
'label' => 'general settings'
)));
}
$content['appname'] = $appname;
$sel_options['appname'] = array();
foreach($GLOBALS['egw']->hooks->hook_implemented('settings') as $app)
{
if ($app != 'preferences' && $GLOBALS['egw_info']['user']['apps'][$app])
{
$sel_options['appname'][$app] = $GLOBALS['egw_info']['apps'][$app]['title'];
}
}
natcasesort($sel_options['appname']);
$sel_options['type'] = array(
'user' => 'Your preferences',
'default' => 'Default preferences',
'forced' => 'Forced preferences',
);
if ($GLOBALS['egw_info']['user']['apps']['admin'])
{
$content['type'] = $type;
if (($id = $GLOBALS['egw']->preferences->get_account_id()) != $GLOBALS['egw_info']['user']['account_id'])
{
$content['type'] .= ':'.$id;
$sel_options['type'][$content['type']] = common::grab_owner_name($GLOBALS['egw']->preferences->account_id);
// Restrict app list to apps the user has access to
$user_apps = $GLOBALS['egw']->acl->get_user_applications($id);
$sel_options['appname'] = array_intersect_key($sel_options['appname'], $user_apps);
}
foreach($GLOBALS['egw']->accounts->search(array('type' => 'groups', 'order' => 'account_lid')) as $account_id => $group)
{
$sel_options['type']['group:'.$account_id] = lang('Preferences').' '.common::display_fullname($group['account_lid'], '', '', $account_id);
}
}
else
{
$content['type'] = 'user';
$readonlys['type'] = true;
}
//_debug_array($content); exit;
//_debug_array($sel_options); //exit;
return $content;
}
/**
* Get label for given default value(s)
*
* @param string|array $default default value(s) to get label for
* @param array $values values optional including optgroups
* @param boolean $lang =true
* @return string comma-separated and translated labels
*/
protected static function get_default_label($default, array $values, $lang=true)
{
// explode comma-separated multiple default values
if (!is_array($default) && !isset($values[$default]) && strpos($default, ',') !== false)
{
$labels = explode(',', $default);
}
else
{
$labels = (array)$default;
}
foreach($labels as &$def)
{
if (isset($values[$def]))
{
$def = is_array($values[$def]) ? $values[$def]['label'] : $values[$def];
}
else // value could be in an optgroup
{
foreach($values as $value)
{
if (is_array($value) && !isset($value['label']) && isset($value[$def]))
{
$def = is_array($value[$def]) ? $value[$def]['label'] : $value[$def];
break;
}
}
}
if ($lang) $def = lang($def);
}
$label = implode(', ', $labels);
//error_log(__METHOD__."(".array2string($default).', '.array2string($values).") returning $label");
return $label;
}
/**
* Get preferences by calling various hooks to supply them
*
* Sets $this->appname and $this->settings
*
* @param string $appname appname or 'common'
* @param string $type ='user' 'default', 'forced', 'user' or 'group'
* @param int|string $account_id =null account_id for user or group prefs, or "forced" or "default"
* @return boolean
*/
protected function call_hook($appname, $type='user', $account_id=null)
{
$this->appname = $appname == 'common' ? 'preferences' : $appname;
// Set framework here to make sure we get the right settings for user's [newly] selected template
$GLOBALS['egw_info']['server']['template_set'] = $GLOBALS['egw']->preferences->data['common']['template_set'];
translation::add_app($this->appname);
if($this->appname != 'preferences')
{
translation::add_app('preferences'); // we need the prefs translations too
}
// make type available, to hooks from applications can use it, eg. activesync
$hook_data = array(
'location' => 'settings',
'type' => $type,
'account_id' => $account_id,
);
$GLOBALS['type'] = $type; // old global variable
// calling app specific settings hook
$settings = $GLOBALS['egw']->hooks->single($hook_data, $this->appname);
// it either returns the settings or save it in $GLOBALS['settings'] (deprecated!)
if (isset($settings) && is_array($settings) && $settings)
{
$this->settings = array_merge($this->settings, $settings);
}
elseif(isset($GLOBALS['settings']) && is_array($GLOBALS['settings']) && $GLOBALS['settings'])
{
$this->settings = array_merge($this->settings, $GLOBALS['settings']);
}
else
{
return False; // no settings returned
}
// calling settings hook all apps can answer (for a specific app)
$hook_data['location'] = 'settings_'.$this->appname;
foreach($GLOBALS['egw']->hooks->process($hook_data, $this->appname,true) as $settings)
{
if (isset($settings) && is_array($settings) && $settings)
{
$this->settings = array_merge($this->settings,$settings);
}
}
/* Remove ui-only settings */
if($this->xmlrpc)
{
foreach($this->settings as $key => $valarray)
{
if(!$valarray['xmlrpc'])
{
unset($this->settings[$key]);
}
}
}
else
{
/* Here we include the settings hook file for the current template, if it exists.
This is not handled by the hooks class and is only valid if not using xml-rpc.
*/
$tmpl_settings = EGW_SERVER_ROOT.$GLOBALS['egw']->framework->template_dir.'/hook_settings.inc.php';
if($this->appname == 'preferences' && file_exists($tmpl_settings))
{
include($tmpl_settings);
$this->settings = array_merge($this->settings,$GLOBALS['settings']);
}
}
// check if we have a default/forced value from the settings hook,
// which is NOT stored as default currently
// --> store it as default, to allow to propagate defaults to existing installations
foreach ($this->settings as $name => $data)
{
// only set not yet set default prefs, so user is able to unset it again with ""
// (only works with type vfs_*, other types delete empty values!)
if (!isset($GLOBALS['egw']->preferences->default[$appname][$name]) &&
((string)$data['default'] !== '' || (string)$data['forced'] !== ''))
{
$default = (string)$data['forced'] !== '' ? $data['forced'] : $data['default'];
//echo "<p>".__METHOD__."($appname) $this->appname/$appname/$name=$default NOT yet set!</p>\n";
$GLOBALS['egw']->preferences->default[$appname][$name] = $default;
$need_update = true;
}
}
if ($need_update)
{
$GLOBALS['egw']->preferences->save_repository(false,'default',true);
}
if($this->debug)
{
_debug_array($this->settings);
}
return True;
}
}