<?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');

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

	$redirect = $status = $error = array();

	if (isset($form['action']['save'])) {
	    /* Error checking */
	    if ($form['tagAdminMode'] == 'General') {
		if (isset($form['PopularTaglimit']) && $form['PopularTaglimit'] != '' 
			&& (!is_numeric($form['PopularTaglimit']) 
			|| intval($form['PopularTaglimit']) != $form['PopularTaglimit'] 
			|| $form['PopularTaglimit'] < 0)) {
		    $error[] = 'form[error][badlimit]';
		} else {
		    foreach (array('TagCloudLink', 'LimitPopularTag', 'SummaryShow',
			    'SummaryAddTag') as $setting) {
			$ret = GalleryCoreApi::setPluginParameter('module', 'tags', $setting,
			    empty($form[$setting]) ? 0 : 1);
			if ($ret) {
			    return array($ret, null);
			}
		    }
		    $ret = GalleryCoreApi::setPluginParameter('module', 'tags',
			'PopularTaglimit', $form['PopularTaglimit']);
		    if ($ret) {
			return array($ret, null);
		    }
		}
	    }

	    if ($form['tagAdminMode'] == 'TagCloud') {
		if ($form['tagCloudTemplate'] == 'DefaultTextTemplate') {
		    /** @todo Add validation on the number of classes > 1. remove classNumber */
		    if (!isset($form['classNumber']) || $form['classNumber'] != '' 
			    && (!is_numeric($form['classNumber']) 
			    || intval($form['classNumber']) != $form['classNumber'] 
			    || $form['classNumber'] < 0)) {
			$error[] = 'form[error][classNumber]';
		    } else {
			$tagCssClass = '';
			for ($i = 0; $i < $form['classNumber']; $i++) {
			    $settings = $form['tagCssClass'][$i];
			    if ($settings['font'] != '') {
				if ($settings['color'] == '') {
				    $settings['color'] = '#000000'; /* default to black */
				}
				$tagCssClass .= $settings['font'] . '|' . $settings['color'] . '&&';
			    } else {
				/* Only store if the font / color are all set */
				$form['classNumber'] = $i;
				break;
			    }
			}
			$form['tagCssClass'] = substr($tagCssClass, 0, -2);

			foreach (array('classNumber', 'tagCssClass', 'tagCloudTemplate') 
				as $setting) {
			    $ret = GalleryCoreApi::setPluginParameter('module', 'tags', $setting,
				$form[$setting]);
			    if ($ret) {
				return array($ret, null);
			    }
			}
			/* Create the css file to use for the Tag Cloud */
			$ret = TagsHelper::createCssFile(true);
			if ($ret) {
			    return array($ret, null);
			}

		    }
		}
	    }

	    $method = empty($error) ? 'redirect' : 'delegate';
	    $status['saved'] = empty($error);

	    $results[$method]['view'] = 'core.SiteAdmin';
	    $results[$method]['subView'] = 'tags.AdminSettingsTags';
	    $results[$method]['tagAdminMode'] = $form['tagAdminMode'];
	}

	if (isset($form['action']['cancel'])) {
	    $results['redirect']['view'] = 'core.SiteAdmin';
	    $results['redirect']['subView'] = 'tags.AdminSettingsTags';
	    $results['redirect']['tagAdminMode'] = $form['tagAdminMode'];
	}

	$results['status'] = $status;
	$results['error'] = $error;

	return array(null, $results);
    }
}

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

    /**
     * @see GalleryView::loadTemplate
     */
    function loadTemplate(&$template, &$form) {
	list ($ret, $Settings) = GalleryCoreApi::fetchAllPluginParameters('module', 'tags');
	if ($ret) {
	    return array($ret, null);
	}

	if (!isset($form['formName'])) {
	    $form['formName'] = 'AdminSettingsTags';
	}

	/* Treat the classes */
	foreach (explode('&&', $Settings['tagCssClass']) as $class) {
	    $classSetting = explode('|', $class);
	    $tagCssClass[] = array($classSetting[0], $classSetting[1]);
	}
	$Settings['tagCssClass'] = $tagCssClass;

	$tagAdminMode = GalleryUtilities::getRequestVariables('tagAdminMode');
	$tagAdminMode = empty($tagAdminMode) ? 'General' : $tagAdminMode;

	$template->javascript('lib/yui/yahoo-min.js');
	$template->javascript('lib/yui/event-min.js');
	$template->javascript('lib/yui/dom-min.js');
	$template->javascript('lib/yui/dragdrop-min.js');
	$template->javascript('lib/yui/connection-min.js');
	$template->javascript('lib/yui/color.js');
	$template->javascript('lib/yui/slider-min.js');
	$template->javascript('lib/javascript/ColorChooser.js');

	$template->javascript('modules/tags/js/AdminTags.js');
	$template->setVariable('controller', 'tags.AdminSettingsTags');
	$template->setVariable('tagAdminMode', $tagAdminMode);
	$template->setVariable('Settings', $Settings);

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