Board messages

<?php
/**
 * Board Messages Plugin for MyBB
 * Copyright © 2010 MyBB Mods
 *
 * By: Alan Crisp
 * Website: http://mods.mybb.com/
 * Version: 2.0.1
 */

// Disallow direct access to this file for security reasons
if(!defined("IN_MYBB"))
{
    die("Direct initialization of this file is not allowed.<br /><br />Please make sure IN_MYBB is defined.");
}

$plugins->add_hook('admin_load', 'board_messages_admin');
$plugins->add_hook('admin_config_menu', 'board_messages_admin_config_menu');
$plugins->add_hook('admin_config_action_handler', 'board_messages_admin_config_action_handler');
$plugins->add_hook('admin_config_permissions', 'board_messages_admin_config_permissions');
$plugins->add_hook('global_start', 'board_messages');

function board_messages_info()
{
    global $lang;
    $lang->load('board_messages');

    return array(
        'name'=> $lang->board_messages,
        'description'   => $lang->board_messages_desc,
        'website'       => 'http://mods.mybb.com/',
        'author'        => 'Alan Crisp',
        'authorsite'    => 'http://musicalmidget.com/',
        'version'       => '2.0.1',
        'guid'          => '2759907b61afa0e03b67e658b6b569e3',
        'compatibility' => '14*, 16*'
    );
}

function board_messages_install()
{
    global $db;

    $db->write_query("
        CREATE TABLE ".TABLE_PREFIX."board_messages (
            `mid` int(10) unsigned NOT NULL auto_increment,
            `message` text NOT NULL,
            `class` varchar(255) NOT NULL,
            `global` tinyint(1) NOT NULL default '1',
            `enabled` tinyint(1) NOT NULL default '0',
            PRIMARY KEY (mid)
        ) Type=MyISAM;
    ");
}

function board_messages_is_installed()
{
    global $db;

    if($db->table_exists('board_messages'))
    {
        return true;
    }

    return false;
}

function board_messages_uninstall()
{
    global $db;
    $db->drop_table('board_messages');
}

function board_messages_activate()
{
    global $db;

    $stylesheet = '.board_message {
    background: #EFEFEF;
    color: #333333;
    border-top: 2px solid #D4D4D4;
    border-bottom: 2px solid #D4D4D4;
    padding: 5px;
    margin-top: 10px;
}';

    $new_stylesheet = array(
        'name'         => 'board_messages.css',
        'tid'          => 1,
        'attachedto'   => '',
        'stylesheet'   => $stylesheet,
        'lastmodified' => TIME_NOW
    );

    $sid = $db->insert_query('themestylesheets', $new_stylesheet);
    $db->update_query('themestylesheets', array('cachefile' => "css.php?stylesheet={$sid}"), "sid='{$sid}'", 1);

    $query = $db->simple_select('themes', 'tid');
    while($theme = $db->fetch_array($query))
    {
        require_once MYBB_ADMIN_DIR.'inc/functions_themes.php';
        update_theme_stylesheet_list($theme['tid']);
    }

    require MYBB_ROOT.'inc/adminfunctions_templates.php';
    find_replace_templatesets('header', '#<navigation>#', "<navigation>\n\t\t\t{\$board_messages}");

    change_admin_permission('config', 'board_messages', 0);
}

function board_messages_deactivate()
{
    global $db;

    $db->delete_query('themestylesheets', "name='board_messages.css'");

    $query = $db->simple_select('themes', 'tid');
    while($theme = $db->fetch_array($query))
    {
        require_once MYBB_ADMIN_DIR.'inc/functions_themes.php';
        update_theme_stylesheet_list($theme['tid']);
    }

    require MYBB_ROOT.'inc/adminfunctions_templates.php';
    find_replace_templatesets('header', '#\n\t\t\t{\$board_messages}#', '', 0);

    change_admin_permission('config', 'board_messages', -1);
}

function board_messages_admin_config_menu(&$sub_menu)
{
    global $lang;
    $lang->load('board_messages');

    $sub_menu[] = array('id' => 'board_messages', 'title' => $lang->board_messages, 'link' => 'index.php?module=config/board_messages');
}

function board_messages_admin_config_action_handler(&$actions)
{
    $actions['board_messages'] = array('active' => 'board_messages', 'file' => 'board_messages');
}

function board_messages_admin_config_permissions(&$admin_permissions)
{
    global $lang;
    $admin_permissions['board_messages'] = $lang->can_manage_board_messages;
}

function board_messages_admin()
{
    global $db, $lang, $mybb, $page, $run_module, $action_file;

    if($run_module == 'config' && $action_file == 'board_messages')
    {
        $page->add_breadcrumb_item($lang->board_messages, 'index.php?module=config/board_messages');

        if($mybb->input['action'] == 'add')
        {
            if($mybb->request_method == 'post')
            {
                if(!trim($mybb->input['message']))
                {
                    $errors[] = $lang->error_no_message;
                }

                if(!$errors)
                {
                    $new_message = array(
                        'message' => $db->escape_string($mybb->input['message']),
                        'class'   => $db->escape_string($mybb->input['class']),
                        'global'  => intval($mybb->input['global']),
                        'enabled' => intval($mybb->input['enabled'])
                    );

                    $mid = $db->insert_query('board_messages', $new_message);

                    log_admin_action($mid);

                    flash_message($lang->success_message_saved, 'success');
                    admin_redirect('index.php?module=config/board_messages');
                }
            }

            $page->add_breadcrumb_item($lang->add_message);
            $page->output_header($lang->board_messages.' - '.$lang->add_message);

            $sub_tabs['manage_messages'] = array(
                'title' => $lang->board_messages,
                'link'  => 'index.php?module=config/board_messages',
            );

            $sub_tabs['add_message'] = array(
                'title'       => $lang->add_message,
                'link'        => 'index.php?module=config/board_messages&amp;action=add',
                'description' => $lang->add_message_desc
            );

            $page->output_nav_tabs($sub_tabs, 'add_message');

            if($errors)
            {
                $page->output_inline_error($errors);
            }

            $form = new Form('index.php?module=config/board_messages&amp;action=add', 'post', 'add');
            $form_container = new FormContainer($lang->add_message);
            $form_container->output_row($lang->message.' <em>*</em>', $lang->message_desc, $form->generate_text_area('message', $mybb->input['message']));
            $form_container->output_row($lang->class, $lang->class_desc, $form->generate_text_box('class', $mybb->input['class']));
            $form_container->output_row($lang->display_global.' <em>*</em>', $lang->display_global_desc, $form->generate_yes_no_radio('global', $mybb->input['global'], true));
            $form_container->output_row($lang->enabled.' <em>*</em>', $lang->enabled_desc, $form->generate_yes_no_radio('enabled', $mybb->input['enabled'], true));
            $form_container->end();

            $buttons[] = $form->generate_submit_button($lang->save_message);

            $form->output_submit_wrapper($buttons);

            $form->end();

            $page->output_footer();
        }

        if($mybb->input['action'] == 'edit')
        {
            $query = $db->simple_select('board_messages', '*', "mid='".intval($mybb->input['mid'])."'");
            $message = $db->fetch_array($query);

            if(!$message['mid'])
            {
                flash_message($lang->error_invalid_message, 'error');
                admin_redirect('index.php?module=config/board_messages');
            }

            if($mybb->request_method == 'post')
            {
                if(!trim($mybb->input['message']))
                {
                    $errors[] = $lang->error_no_message;
                }

                if(!$errors)
                {
                    $message = array(
                        'message' => $db->escape_string($mybb->input['message']),
                        'class'   => $db->escape_string($mybb->input['class']),
                        'global'  => intval($mybb->input['global']),
                        'enabled' => intval($mybb->input['enabled'])
                    );

                    $db->update_query('board_messages', $message, "mid='".intval($mybb->input['mid'])."'");

                    log_admin_action(intval($mybb->input['mid']));

                    flash_message($lang->success_message_saved, 'success');
                    admin_redirect('index.php?module=config/board_messages');
                }
            }

            $page->add_breadcrumb_item($lang->edit_message);
            $page->output_header($lang->board_messages.' - '.$lang->edit_message);

            $sub_tabs['edit_message'] = array(
                'title'       => $lang->edit_message,
                'link'        => 'index.php?module=config/board_messages',
                'description' => $lang->edit_message_desc
            );

            $page->output_nav_tabs($sub_tabs, 'edit_message');

            if($errors)
            {
                $page->output_inline_error($errors);
            }
            else
            {
                $mybb->input = $message;
            }

            $form = new Form('index.php?module=config/board_messages&amp;action=edit', 'post', 'edit');
            echo $form->generate_hidden_field('mid', $message['mid']);

            $form_container = new FormContainer($lang->edit_message);
            $form_container->output_row($lang->message.' <em>*</em>', $lang->message_desc, $form->generate_text_area('message', $mybb->input['message']));
            $form_container->output_row($lang->class, $lang->class_desc, $form->generate_text_box('class', $mybb->input['class']));
            $form_container->output_row($lang->display_global.' <em>*</em>', $lang->display_global_desc, $form->generate_yes_no_radio('global', $mybb->input['global'], true));
            $form_container->output_row($lang->enabled.' <em>*</em>', $lang->enabled_desc, $form->generate_yes_no_radio('enabled', $mybb->input['enabled'], true));
            $form_container->end();

            $buttons[] = $form->generate_submit_button($lang->save_message);
            $buttons[] = $form->generate_reset_button($lang->reset);

            $form->output_submit_wrapper($buttons);

            $form->end();

            $page->output_footer();
        }

        if($mybb->input['action'] == 'delete')
        {
            $query = $db->simple_select('board_messages', '*', "mid='".intval($mybb->input['mid'])."'");
            $message = $db->fetch_array($query);

            if(!$message['mid'])
            {
                flash_message($lang->error_invalid_message, 'error');
                admin_redirect('index.php?module=config/board_messages');
            }

            if($mybb->input['no'])
            {
                admin_redirect('index.php?module=config/board_messages');
            }

            if($mybb->request_method == 'post')
            {
                $db->delete_query('board_messages', "mid='{$message['mid']}'");

                log_admin_action($message['mid']);

                flash_message($lang->success_message_deleted, 'success');
                admin_redirect('index.php?module=config/board_messages');
            }
            else
            {
                $page->output_confirm_action("index.php?module=config/board_messages&amp;action=delete&amp;mid={$message['mid']}", $lang->confirm_message_deletion);
            }
        }

        if(!$mybb->input['action'])
        {
            $page->output_header($lang->board_messages);

            $sub_tabs['manage_messages'] = array(
                'title'       => $lang->board_messages,
                'link'        => 'index.php?module=config/board_messages',
                'description' => $lang->manage_messages_desc
            );

            $sub_tabs['add_message'] = array(
                'title' => $lang->add_message,
                'link'  => 'index.php?module=config/board_messages&amp;action=add'
            );

            $page->output_nav_tabs($sub_tabs, 'manage_messages');

            $table = new Table;
            $table->construct_header($lang->message, array('colspan' => 2));
            $table->construct_header($lang->location, array('class' => "align_center"));
            $table->construct_header($lang->controls, array('class' => "align_center", 'colspan' => 2));

            $query = $db->simple_select('board_messages', '*');
            while($message = $db->fetch_array($query))
            {
                if($message['enabled'] == 1)
                {
                    $icon = "<img src=\"styles/{$page->style}/images/icons/bullet_on.gif\" alt=\"(Enabled)\" title=\"Enabled\"  style=\"vertical-align: middle;\" />";
                }
                else
                {
                    $icon = "<img src=\"styles/{$page->style}/images/icons/bullet_off.gif\" alt=\"(Disabled)\" title=\"Disabled\"  style=\"vertical-align: middle;\" />";
                }

                if($message['global'] != 1)
                {
                    $location = $lang->index_only;
                }
                else
                {
                    $location = $lang->global;
                }

                $table->construct_cell($icon, array('width' => 1));
                $table->construct_cell($message['message'], array('width' => '65%'));
                $table->construct_cell($location, array('class' => "align_center"));
                $table->construct_cell("<a href=\"index.php?module=config/board_messages&amp;action=edit&amp;mid={$message['mid']}\">{$lang->edit}</a>", array("class" => "align_center"));
                $table->construct_cell("<a href=\"index.php?module=config/board_messages&amp;action=delete&amp;mid={$message['mid']}&amp;my_post_key={$mybb->post_code}\" onclick=\"return AdminCP.deleteConfirmation(this, '{$lang->confirm_message_deletion}')\">{$lang->delete}</a>", array("class" => "align_center"));
                $table->construct_row();
            }

            if($table->num_rows() == 0)
            {
                $table->construct_cell($lang->no_board_messages, array('colspan' => 5));
                $table->construct_row();
            }

            $table->output($lang->board_messages);

            $page->output_footer();
        }

        exit;
    }
}

function board_messages()
{
    global $db, $templates, $board_messages, $current_page;

    $board_messages = '';
    $query = $db->simple_select('board_messages', '*', "enabled='1'");
    while($message = $db->fetch_array($query))
    {
        if($message['global'] != 0 || $current_page == 'index.php')
        {
            if(!$message['class'])
            {
                $message['class'] = 'board_message';
            }

            $board_messages .= '<div class="'.$message['class'].'">'.$message['message'].'</div>';
        }
    }
}
?>