<?php
/*
 * Gallery - a web based photo album viewer and editor
 * Copyright (C) 2000-2007 Bharat Mediratta
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
 */

GalleryCoreApi::requireOnce('modules/tags/classes/TagsHelper.class');

/**
 * Administering the Tags for the Tags module.
 *
 * @package Tags
 * @subpackage UserInterface
 * @author Eric Daniel <ehdaniel@gmail.com>
 * @version $Revision: 1060 $
 */
class AdminTagsController extends GalleryController {
    /**
     * @see GalleryController::handleRequest
     */
    function handleRequest($form) {
	global $gallery;

	$status = $error = $results = array();
	$target = array('view' => 'core.SiteAdmin', 'subView' => 'tags.AdminTags');

	if (isset($form['action']['add'])) {
	    if (isset($form['TagNameAdd']) && $form['TagNameAdd'] != '') {
		$tagName = $form['TagNameAdd'];
		list ($ret, $tagList) = TagsHelper::splitTags($tagName);
		if ($ret) {
		    return array($ret, null, null);
		}
		foreach ($tagList as $tag) {
		    $ret = TagsHelper::addNewTag(trim($tag));
		    if ($ret) {
			return $ret;
		    }
		}
		$status['added'] = 1;
	    } else {
		$error[] = 'form[error][notagname]';
	    }
	}

	if (isset($form['action']['delete'])) {
	    $ret = TagsHelper::removeTag($form['TagNameDel']);
	    if ($ret) {
		return array($ret, null);
	    }
	    $status['deleted'] = 1;
	}

	if (isset($form['action']['edit'])) {
	    if (isset($form['TagNameNew']) and $form['TagNameNew'] != '') {
		$ret = TagsHelper::renameTag($form['TagNameDel'], trim($form['TagNameNew']));
		if ($ret) {
		    return array($ret, null);
		}
		$status['renamed'] = 1;
	    } else {
		$error[] = 'form[error][nonewtagname]';
		$target['TagEdit'] = $form['TagNameDel'];
	    }
	}

	$results['status'] = $status;
	$results['error'] = $error;
	$results[empty($error) ? 'redirect' : 'delegate'] = $target;

	return array(null, $results);
    }
}

/**
 * Settings for the Tags module.
 */
class AdminTagsView extends GalleryView {

    /**
     * @see GalleryView::loadTemplate
     */
    function loadTemplate(&$template, &$form) {
	list ($ret, $tags) = TagsHelper::getTagListWithTagCount(true);
	if ($ret) {
	    return array($ret, null);
	}
	$TagNameEdit = GalleryUtilities::getRequestVariables('TagEdit');

	$template->setVariable('Tags', $tags);
	$template->setVariable('TagNameEdit', $TagNameEdit);
	$template->javascript('modules/tags/js/AdminTags.js');

	return array(null, array('body' => 'modules/tags/templates/AdminTags.tpl'));
    }
}
?>