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<?php
/**
* Class for auto-generating the preferences user interface and
* processing the forms.
*
*
* $Horde: horde/lib/PrefsUI.php,v 1.2.2.8 2003/02/18 00:07:56 jan Exp $
*
* Copyright 2002-2003 Chuck Hagenbuch <chuck@horde.org>
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Chuck Hagenbuch <chuck@horde.org>
* @version $Revision: 1.2.2.8 $
* @since Horde 2.1
* @package horde.prefs
*/
class PrefsUI {
/**
* Determine whether or not a preferences group is editable.
*
* @access public
*
* @param string $group The preferences group to check.
*
* @return boolean Whether or not the group is editable.
*/
function groupIsEditable($group)
{
global $prefs, $prefGroups;
static $results;
if (!isset($results)) {
$results = array();
}
if (!array_key_exists($group, $results)) {
$results[$group] = false;
foreach ($prefGroups[$group]['members'] as $pref) {
if (!$prefs->isLocked($pref)) {
$results[$group] = true;
return true;
}
}
} else {
return $results[$group];
}
return false;
}
/**
* Handle a preferences form submission if there is one, updating
* any preferences which have been changed.
*
* @param optional string $group The preferences group that was edited.
*
* @return boolean Whether preferences have been updated.
*/
function handleForm($group = null)
{
global $prefs, $prefGroups, $_prefs, $notification, $registry;
$updated = false;
/* Run through the action handlers */
$actionID = Horde::getFormData('actionID', NOOP);
switch ($actionID) {
case HORDE_UPDATE_PREFS:
if (isset($group) && PrefsUI::groupIsEditable($group)) {
$updated = false;
foreach ($prefGroups[$group]['members'] as $pref) {
if (!$prefs->isLocked($pref) ||
($_prefs[$pref]['type'] == 'special')) {
switch ($_prefs[$pref]['type']) {
/* These either aren't set or are set in other parts
of the UI. */
case 'implicit':
case 'link':
break;
case 'select':
case 'text':
case 'textarea':
$prefs->setValue($pref, Horde::getFormData($pref));
$updated = true;
break;
case 'enum':
$val = Horde::getFormData($pref);
if (isset($_prefs[$pref]['enum'][$val])) {
$prefs->setValue($pref, $val);
$updated = true;
} else {
$notification->push(_("An illegal value was specified."), 'horde.error');
}
break;
case 'number':
$num = Horde::getFormData($pref);
if (intval($num) != $num) {
$notification->push(_("This value must be a number."), 'horde.error');
} elseif ($num == 0) {
$notification->push(_("This number must be at least one."), 'horde.error');
} else {
$prefs->setValue($pref, $num);
$updated = true;
}
break;
case 'checkbox':
$val = Horde::getFormData($pref);
$prefs->setValue($pref, isset($val) ? 1 : 0);
$updated = true;
break;
case 'special':
/* Code for special elements must be written
specifically for each application. */
if (function_exists('handle_' . $pref)) {
$updated = call_user_func('handle_' . $pref, $updated);
}
break;
}
}
}
// Do anything that you need to do as a result of certain
// preferences changing.
if ($prefs->isDirty('language')) {
Lang::setLang($prefs->getValue('language'));
Lang::setTextdomain($registry->getApp(), $registry->getParam('fileroot') . '/locale', Lang::getCharset());
}
if ($updated) {
if (function_exists('prefs_callback')) {
prefs_callback();
}
$prefs->store();
$notification->push(_("Your options have been updated."), 'horde.message');
$group = null;
}
}
break;
}
return $updated;
}
/**
* Generate the UI for the preferences interface, either for a
* specific group, or the group selection interface.
*
* @param optional string $group The group to generate the UI for.
*/
function generateUI($group = null)
{
global $prefs, $prefGroups, $_prefs, $registry;
/* Assign variables to hold select lists. */
if (!$prefs->isLocked('language')) {
$GLOBALS['language_options'] = &$GLOBALS['nls']['languages'];
}
if (!empty($group) &&
PrefsUI::groupIsEditable($group)) {
include $registry->getParam('templates', 'horde') . '/prefs/begin.inc';
foreach ($prefGroups[$group]['members'] as $pref) {
if (!$prefs->isLocked($pref)) {
switch ($_prefs[$pref]['type']) {
case 'implicit':
break;
case 'special':
include $registry->getParam('templates', $registry->getApp()) . "/prefs/$pref.inc";
break;
default:
include $registry->getParam('templates', 'horde') . '/prefs/' . $_prefs[$pref]['type'] . '.inc';
break;
}
}
}
include $registry->getParam('templates', 'horde') . '/prefs/end.inc';
} else {
$columns = array();
foreach ($prefGroups as $group => $gvals) {
$col = $gvals['column'];
unset($gvals['column']);
$columns[$col][$group] = $gvals;
}
$span = round(100 / count($columns));
include $registry->getParam('templates', 'horde') . '/prefs/overview.inc';
}
}
}
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