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<?php
/**
 * Simple Machines Forum (SMF)
 *
 * @package SMF
 * @author Simple Machines http://www.simplemachines.org
 * @copyright 2019 Simple Machines and individual contributors
 * @license http://www.simplemachines.org/about/smf/license.php BSD
 *
 * @version 2.1 RC1
 */

/**
 * The main sub template - for theme administration.
 */
function template_main()
{
    global $context, $scripturl, $txt, $modSettings;

    // Theme install info.
    echo '
        <div class="cat_bar">
            <h3 class="catbg">
                <a href="', $scripturl, '?action=helpadmin;help=themes" onclick="return reqOverlayDiv(this.href);" class="help"><span class="main_icons help" title="', $txt['help'], '"></span></a>
                ', $txt['themeadmin_title'], '
            </h3>
        </div>
        <div class="information">
            ', $txt['themeadmin_explain'], '
        </div>';

    echo '
        <form action="', $scripturl, '?action=admin;area=theme;sa=admin" method="post" accept-charset="', $context['character_set'], '">
            <div class="cat_bar">
                <h3 class="catbg">',
                    $txt['settings'], '
                </h3>
            </div>
            <div class="windowbg">
                <dl class="settings">
                    <dt>
                        <label for="options-theme_allow"> ', $txt['theme_allow'], '</label>
                    </dt>
                    <dd>
                        <input type="hidden" value="0" name="options[theme_allow]">
                        <input type="checkbox" name="options[theme_allow]" id="options-theme_allow" value="1"', !empty($modSettings['theme_allow']) ? ' checked' : '', '>
                    </dd>
                    <dt>
                        <label for="known_themes_list">', $txt['themeadmin_selectable'], '</label>:
                    </dt>
                    <dd>
                        <div id="known_themes_list">';

    foreach ($context['themes'] as $theme)
        echo '
                            <label for="options-known_themes_', $theme['id'], '"><input type="checkbox" name="options[known_themes][]" id="options-known_themes_', $theme['id'], '" value="', $theme['id'], '"', $theme['known'] ? ' checked' : '', '> ', $theme['name'], '</label><br>';

    echo '
                        </div>
                        <a href="javascript:void(0);" onclick="document.getElementById(\'known_themes_list\').classList.remove(\'hidden\'); document.getElementById(\'known_themes_link\').classList.add(\'hidden\'); return false; " id="known_themes_link" class="hidden">[ ', $txt['themeadmin_themelist_link'], ' ]</a>
                        <script>
                            document.getElementById("known_themes_list").classList.add(\'hidden\');
                            document.getElementById("known_themes_link").classList.remove(\'hidden\');
                        </script>
                    </dd>
                    <dt>
                        <label for="theme_guests">', $txt['theme_guests'], ':</label>
                    </dt>
                    <dd>
                        <select name="options[theme_guests]" id="theme_guests">';

    // Put an option for each theme in the select box.
    foreach ($context['themes'] as $theme)
        echo '
                            <option value="', $theme['id'], '"', $modSettings['theme_guests'] == $theme['id'] ? ' selected' : '', '>', $theme['name'], '</option>';

    echo '
                        </select>
                        <span class="smalltext pick_theme"><a href="', $scripturl, '?action=theme;sa=pick;u=-1;', $context['session_var'], '=', $context['session_id'], '">', $txt['theme_select'], '</a></span>
                    </dd>
                    <dt>
                        <label for="theme_reset">', $txt['theme_reset'], '</label>:
                    </dt>
                    <dd>
                        <select name="theme_reset" id="theme_reset">
                            <option value="-1" selected>', $txt['theme_nochange'], '</option>
                            <option value="0">', $txt['theme_forum_default'], '</option>';

    // Same thing, this time for changing the theme of everyone.
    foreach ($context['themes'] as $theme)
        echo '
                            <option value="', $theme['id'], '">', $theme['name'], '</option>';

    echo '
                        </select>
                        <span class="smalltext pick_theme"><a href="', $scripturl, '?action=theme;sa=pick;u=0;', $context['session_var'], '=', $context['session_id'], '">', $txt['theme_select'], '</a></span>
                    </dd>
                </dl>
                <input type="submit" name="save" value="' . $txt['save'] . '" class="button">
                <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                <input type="hidden" name="', $context['admin-tm_token_var'], '" value="', $context['admin-tm_token'], '">
            </div><!-- .windowbg -->
        </form>';

    // Link to simplemachines.org for latest themes and info!
    echo '
        <div class="cat_bar">
            <h3 class="catbg">
                ', $txt['theme_adding_title'], '
            </h3>
        </div>
        <div class="windowbg">
            ', $txt['theme_adding'], '
        </div>';

    // All the install options.
    echo '
        <div id="admin_form_wrapper">
            <div class="cat_bar">
                <h3 class="catbg">
                    ', $txt['theme_install'], '
                </h3>
            </div>
            <div class="windowbg">';

    if ($context['can_create_new'])
    {
        // From a file.
        echo '
                <fieldset>
                    <legend>', $txt['theme_install_file'], '</legend>
                    <form action="', $scripturl, '?action=admin;area=theme;sa=install;do=file" method="post" accept-charset="', $context['character_set'], '" enctype="multipart/form-data" class="padding">
                        <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                        <input type="hidden" name="', $context['admin-t-file_token_var'], '" value="', $context['admin-t-file_token'], '">
                        <input type="file" name="theme_gz" id="theme_gz" value="theme_gz" size="40" onchange="this.form.copy.disabled = this.value != \'\'; this.form.theme_dir.disabled = this.value != \'\';">
                        <input type="submit" name="save_file" value="' . $txt['upload'] . '" class="button">
                    </form>
                </fieldset>';

        // Copied from the default.
        echo '
                <fieldset>
                    <legend>', $txt['theme_install_new'], '</legend>
                    <form action="', $scripturl, '?action=admin;area=theme;sa=install;do=copy" method="post" accept-charset="', $context['character_set'], '" class="padding">
                        <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                        <input type="hidden" name="', $context['admin-t-copy_token_var'], '" value="', $context['admin-t-copy_token'], '">
                        <input type="text" name="copy" id="copy" value="', $context['new_theme_name'], '" size="40">
                        <input type="submit" name="save_copy" value="' . $txt['save'] . '" class="button">
                    </form>
                </fieldset>';
    }

    // From a dir.
    echo '
                <fieldset>
                    <legend>', $txt['theme_install_dir'], '</legend>
                    <form action="', $scripturl, '?action=admin;area=theme;sa=install;do=dir" method="post" accept-charset="', $context['character_set'], '" class="padding">
                        <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                        <input type="hidden" name="', $context['admin-t-dir_token_var'], '" value="', $context['admin-t-dir_token'], '">
                        <input type="text" name="theme_dir" id="theme_dir" value="', $context['new_theme_dir'], '" size="40">
                        <input type="submit" name="save_dir" value="' . $txt['save'] . '" class="button">
                    </form>
                </fieldset>';

    echo '
            </div><!-- .windowbg -->
        </div><!-- #admin_form_wrapper -->';

    echo '
    <script>
        window.smfForum_scripturl = smf_scripturl;
        window.smfForum_sessionid = smf_session_id;
        window.smfForum_sessionvar = smf_session_var;
        window.smfThemes_writable = ', $context['can_create_new'] ? 'true' : 'false', ';
    </script>';
}

/**
 * This lists all themes
 */
function template_list_themes()
{
    global $context, $scripturl, $txt;

    // Show a nice confirmation message.
    if (isset($_GET['done']))
        echo '
    <div class="infobox">
        ', $txt['theme_confirmed_' . $_GET['done']], '
    </div>';

    echo '
        <div class="cat_bar">
            <h3 class="catbg">', $txt['themeadmin_list_heading'], '</h3>
        </div>
        <div class="information">
            ', $txt['themeadmin_list_tip'], '
        </div>
        <form id="admin_form_wrapper" action="', $scripturl, '?action=admin;area=theme;', $context['session_var'], '=', $context['session_id'], ';sa=list" method="post" accept-charset="', $context['character_set'], '">
            <div class="cat_bar">
                <h3 class="catbg">', $txt['theme_settings'], '</h3>
            </div>
            <br>';

    // Show each theme.... with X for delete, an enable/disable link and a link to their own settings page.
    foreach ($context['themes'] as $theme)
    {
        echo '
            <div class="cat_bar">
                <h3 class="catbg">
                    <span class="floatleft">
                        ', (!empty($theme['enable']) || $theme['id'] == 1 ? '<a href="' . $scripturl . '?action=admin;area=theme;th=' . $theme['id'] . ';' . $context['session_var'] . '=' . $context['session_id'] . ';sa=list">' . $theme['name'] . '</a>' : $theme['name']), '', (!empty($theme['version']) ? ' <em>(' . $theme['version'] . ')</em>' : ''), '
                    </span>';

        // You *cannot* disable/enable/delete the default theme. It's important!
        if ($theme['id'] != 1)
        {
            echo '
                    <span class="floatright">';

            // Enable/Disable.
            echo '
                        <a href="', $scripturl, '?action=admin;area=theme;sa=enable;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';', $context['admin-tre_token_var'], '=', $context['admin-tre_token'], '', (!empty($theme['enable']) ? ';disabled' : ''), '" data-confirm="', $txt['theme_' . (!empty($theme['enable']) ? 'disable' : 'enable') . '_confirm'], '" class="you_sure"><span class="main_icons ', !empty($theme['enable']) ? 'disable' : 'enable', '" title="', $txt['theme_' . (!empty($theme['enable']) ? 'disable' : 'enable')], '"></span></a>';

            // Deleting.
            echo '
                        <a href="', $scripturl, '?action=admin;area=theme;sa=remove;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';', $context['admin-tr_token_var'], '=', $context['admin-tr_token'], '" data-confirm="', $txt['theme_remove_confirm'], '" class="you_sure"><span class="main_icons delete" title="', $txt['theme_remove'], '"></span></a>';

            echo '
                    </span>';
        }

        echo '
                </h3>
            </div><!-- .cat_bar -->
            <div class="windowbg">
                <dl class="settings themes_list">
                    <dt>', $txt['themeadmin_list_theme_dir'], ':</dt>
                    <dd', $theme['valid_path'] ? '' : ' class="error"', '>', $theme['theme_dir'], $theme['valid_path'] ? '' : ' ' . $txt['themeadmin_list_invalid'], '</dd>
                    <dt>', $txt['themeadmin_list_theme_url'], ':</dt>
                    <dd>', $theme['theme_url'], '</dd>
                    <dt>', $txt['themeadmin_list_images_url'], ':</dt>
                    <dd>', $theme['images_url'], '</dd>
                </dl>
            </div>';
    }

    echo '
            <div class="cat_bar">
                <h3 class="catbg">', $txt['themeadmin_list_reset'], '</h3>
            </div>
            <div class="windowbg">
                <dl class="settings">
                    <dt>
                        <label for="reset_dir">', $txt['themeadmin_list_reset_dir'], '</label>:
                    </dt>
                    <dd>
                        <input type="text" name="reset_dir" id="reset_dir" value="', $context['reset_dir'], '" size="40">
                    </dd>
                    <dt>
                        <label for="reset_url">', $txt['themeadmin_list_reset_url'], '</label>:
                    </dt>
                    <dd>
                        <input type="text" name="reset_url" id="reset_url" value="', $context['reset_url'], '" size="40">
                    </dd>
                </dl>
                <input type="submit" name="save" value="', $txt['themeadmin_list_reset_go'], '" class="button">
                <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                <input type="hidden" name="', $context['admin-tl_token_var'], '" value="', $context['admin-tl_token'], '">
            </div>
        </form>';
}

/**
 * This lets you reset themes
 */
function template_reset_list()
{
    global $context, $scripturl, $txt;

    echo '
        <div class="cat_bar">
            <h3 class="catbg">', $txt['themeadmin_reset_title'], '</h3>
        </div>
        <div class="information">
            ', $txt['themeadmin_reset_tip'], '
        </div>
        <div id="admin_form_wrapper">';

    // Show each theme.... with X for delete and a link to settings.
    foreach ($context['themes'] as $theme)
    {
        echo '
            <div class="cat_bar">
                <h3 class="catbg">', $theme['name'], '</h3>
            </div>
            <div class="windowbg">
                <ul>
                    <li>
                        <a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=reset">', $txt['themeadmin_reset_defaults'], '</a> <em class="smalltext">(', $theme['num_default_options'], ' ', $txt['themeadmin_reset_defaults_current'], ')</em>
                    </li>
                    <li>
                        <a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=reset;who=1">', $txt['themeadmin_reset_members'], '</a>
                    </li>
                    <li>
                        <a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=reset;who=2;', $context['admin-stor_token_var'], '=', $context['admin-stor_token'], '" data-confirm="', $txt['themeadmin_reset_remove_confirm'], '" class="you_sure">', $txt['themeadmin_reset_remove'], '</a> <em class="smalltext">(', $theme['num_members'], ' ', $txt['themeadmin_reset_remove_current'], ')</em>
                    </li>
                </ul>
            </div>';
    }

    echo '
        </div><!-- #admin_form_wrapper -->';
}

/**
 * This displays the form for setting theme options
 */
function template_set_options()
{
    global $context, $scripturl, $txt;

    echo '
        <form action="', $scripturl, '?action=admin;area=theme;th=', $context['theme_settings']['theme_id'], ';sa=reset" method="post" accept-charset="', $context['character_set'], '">
            <input type="hidden" name="who" value="', $context['theme_options_reset'] ? 1 : 0, '">
            <div class="cat_bar">
                <h3 class="catbg">
                    ', $txt['theme_options_title'], ' - ', $context['theme_settings']['name'], '
                </h3>
            </div>
            <div class="information noup">
                ', $context['theme_options_reset'] ? $txt['themeadmin_reset_options_info'] : $txt['theme_options_defaults'], '
            </div>
            <div class="windowbg noup">
                <dl class="settings">';

    $skeys = array_keys($context['options']);
    $first_option_key = array_shift($skeys);
    $titled_section = false;

    foreach ($context['options'] as $i => $setting)
    {
        // Just spit out separators and move on
        if (empty($setting) || !is_array($setting))
        {
            // Insert a separator (unless this is the first item in the list)
            if ($i !== $first_option_key)
                echo '
                </dl>
                <hr>
                <dl class="settings">';

            // Should we give a name to this section?
            if (is_string($setting) && !empty($setting))
            {
                $titled_section = true;
                echo '
                    <dt><strong>' . $setting . '</strong></dt>
                    <dd></dd>';
            }
            else
                $titled_section = false;

            continue;
        }

        echo '
                    <dt>';

        // Show the change option box?
        if ($context['theme_options_reset'])
            echo '
                        <span class="floatleft">
                            <select name="', !empty($setting['default']) ? 'default_' : '', 'options_master[', $setting['id'], ']" onchange="this.form.options_', $setting['id'], '.disabled = this.selectedIndex != 1;">
                                <option value="0" selected>', $txt['themeadmin_reset_options_none'], '</option>
                                <option value="1">', $txt['themeadmin_reset_options_change'], '</option>
                                <option value="2">', $txt['themeadmin_reset_options_default'], '</option>
                            </select>
                        </span>';

        echo '
                        <label for="options_', $setting['id'], '">', !$titled_section ? '<strong>' : '', $setting['label'], !$titled_section ? '</strong>' : '', '</label>';

        if (isset($setting['description']))
            echo '
                        <br>
                        <span class="smalltext">', $setting['description'], '</span>';
        echo '
                    </dt>';

        // Display checkbox options
        if ($setting['type'] == 'checkbox')
            echo '
                    <dd>
                        <input type="hidden" name="' . (!empty($setting['default']) ? 'default_' : '') . 'options[' . $setting['id'] . ']" value="0">
                        <input type="checkbox" name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="options_', $setting['id'], '"', !empty($setting['value']) ? ' checked' : '', $context['theme_options_reset'] ? ' disabled' : '', ' value="1" class="floatleft">';

        // How about selection lists, we all love them
        elseif ($setting['type'] == 'list')
        {
            echo '
                    <dd>
                        <select class="floatleft" name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="options_', $setting['id'], '"', $context['theme_options_reset'] ? ' disabled' : '', '>';

            foreach ($setting['options'] as $value => $label)
                echo '
                            <option value="', $value, '"', $value == $setting['value'] ? ' selected' : '', '>', $label, '</option>';

            echo '
                        </select>';
        }
        // A textbox it is then
        else
        {
            echo '
                    <dd>';

            if (isset($setting['type']) && $setting['type'] == 'number')
            {
                $min = isset($setting['min']) ? ' min="' . $setting['min'] . '"' : ' min="0"';
                $max = isset($setting['max']) ? ' max="' . $setting['max'] . '"' : '';
                $step = isset($setting['step']) ? ' step="' . $setting['step'] . '"' : '';

                echo '
                        <input type="number"', $min . $max . $step;
            }
            elseif (isset($setting['type']) && $setting['type'] == 'url')
                echo '
                        <input type="url"';

            else
                echo '
                        <input type="text"';

            echo ' name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="options_', $setting['id'], '" value="', $setting['value'], '"', $setting['type'] == 'number' ? ' size="5"' : '', $context['theme_options_reset'] ? ' disabled' : '', '>';
        }

        // End of this defintion, close open dds
        echo '
                    </dd>';
    }

    // Close the option page up
    echo '
                </dl>
                <input type="submit" name="submit" value="', $txt['save'], '" class="button">
                <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                <input type="hidden" name="', $context['admin-sto_token_var'], '" value="', $context['admin-sto_token'], '">
            </div>
        </form>';
}

/**
 * The page for setting and managing theme settings.
 */
function template_set_settings()
{
    global $context, $settings, $scripturl, $txt;

    echo '
    <div id="admin_form_wrapper">
        <form action="', $scripturl, '?action=admin;area=theme;sa=list;th=', $context['theme_settings']['theme_id'], '" method="post" accept-charset="', $context['character_set'], '">
            <div class="cat_bar">
                <h3 class="catbg">
                    <a href="', $scripturl, '?action=helpadmin;help=theme_settings" onclick="return reqOverlayDiv(this.href);" class="help"><span class="main_icons help" title="', $txt['help'], '"></span></a> ', $txt['theme_settings'], ' - ', $context['theme_settings']['name'], '
                </h3>
            </div>
            <div class="windowbg">';

    // @todo Why can't I edit the default theme popup.
    if ($context['theme_settings']['theme_id'] != 1)
        echo '
                <div class="title_bar">
                    <h3 class="titlebg config_hd">
                        ', $txt['theme_edit'], '
                    </h3>
                </div>
                <div class="windowbg">
                    <ul>
                        <li>
                            <a href="', $scripturl, '?action=admin;area=theme;th=', $context['theme_settings']['theme_id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=edit;filename=index.template.php">', $txt['theme_edit_index'], '</a>
                        </li>
                        <li>
                            <a href="', $scripturl, '?action=admin;area=theme;th=', $context['theme_settings']['theme_id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=edit;directory=css">', $txt['theme_edit_style'], '</a>
                        </li>
                    </ul>
                </div>';

    echo '
                <div class="title_bar">
                    <h3 class="titlebg config_hd">
                        ', $txt['theme_url_config'], '
                    </h3>
                </div>
                <dl class="settings">
                    <dt>
                        <label for="theme_name">', $txt['actual_theme_name'], '</label>
                    </dt>
                    <dd>
                        <input type="text" id="theme_name" name="options[name]" value="', $context['theme_settings']['name'], '" size="32">
                    </dd>
                    <dt>
                        <label for="theme_url">', $txt['actual_theme_url'], '</label>
                    </dt>
                    <dd>
                        <input type="text" id="theme_url" name="options[theme_url]" value="', $context['theme_settings']['actual_theme_url'], '" size="50">
                    </dd>
                    <dt>
                        <label for="images_url">', $txt['actual_images_url'], '</label>
                    </dt>
                    <dd>
                        <input type="text" id="images_url" name="options[images_url]" value="', $context['theme_settings']['actual_images_url'], '" size="50">
                    </dd>
                    <dt>
                        <label for="theme_dir">', $txt['actual_theme_dir'], '</label>
                    </dt>
                    <dd>
                        <input type="text" id="theme_dir" name="options[theme_dir]" value="', $context['theme_settings']['actual_theme_dir'], '" size="50">
                    </dd>
                </dl>';

    // Do we allow theme variants?
    if (!empty($context['theme_variants']))
    {
        echo '
                <div class="title_bar">
                    <h3 class="titlebg config_hd">
                        ', $txt['theme_variants'], '
                    </h3>
                </div>
                <dl class="settings">
                    <dt>
                        <label for="variant">', $txt['theme_variants_default'], '</label>:
                    </dt>
                    <dd>
                        <select id="variant" name="options[default_variant]" onchange="changeVariant(this.value)">';

        foreach ($context['theme_variants'] as $key => $variant)
            echo '
                            <option value="', $key, '"', $context['default_variant'] == $key ? ' selected' : '', '>', $variant['label'], '</option>';

        echo '
                        </select>
                    </dd>
                    <dt>
                        <label for="disable_user_variant">', $txt['theme_variants_user_disable'], '</label>:
                    </dt>
                    <dd>
                        <input type="hidden" name="options[disable_user_variant]" value="0">
                        <input type="checkbox" name="options[disable_user_variant]" id="disable_user_variant"', !empty($context['theme_settings']['disable_user_variant']) ? ' checked' : '', ' value="1">
                    </dd>
                </dl>
                <img src="', $context['theme_variants'][$context['default_variant']]['thumbnail'], '" id="variant_preview" alt="">';
    }

    echo '
                <div class="title_bar">
                    <h3 class="titlebg config_hd">
                        ', $txt['theme_options'], '
                    </h3>
                </div>
                <dl class="settings">';

    $skeys = array_keys($context['settings']);
    $first_setting_key = array_shift($skeys);
    $titled_section = false;

    foreach ($context['settings'] as $i => $setting)
    {
        // Is this a separator?
        if (empty($setting) || !is_array($setting))
        {
            // We don't need a separator before the first list element
            if ($i !== $first_setting_key)
                echo '
                </dl>
                <hr>
                <dl class="settings">';

            // Add a fake heading?
            if (is_string($setting) && !empty($setting))
            {
                $titled_section = true;
                echo '
                    <dt><strong>' . $setting . '</strong></dt>
                    <dd></dd>';
            }
            else
                $titled_section = false;

            continue;
        }

        echo '
                    <dt>
                        <label for="', $setting['id'], '">', !$titled_section ? '<strong>' : '', $setting['label'], !$titled_section ? '</strong>' : '', '</label>:';

        if (isset($setting['description']))
            echo '<br>
                        <span class="smalltext">', $setting['description'], '</span>';

        echo '
                    </dt>';

        // A checkbox?
        if ($setting['type'] == 'checkbox')
            echo '
                    <dd>
                        <input type="hidden" name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" value="0">
                        <input type="checkbox" name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="', $setting['id'], '"', !empty($setting['value']) ? ' checked' : '', ' value="1">
                    </dd>';

        // A list with options?
        elseif ($setting['type'] == 'list')
        {
            echo '
                    <dd>
                        <select name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="', $setting['id'], '">';

            foreach ($setting['options'] as $value => $label)
                echo '
                            <option value="', $value, '"', $value == $setting['value'] ? ' selected' : '', '>', $label, '</option>';

            echo '
                        </select>
                    </dd>';
        }
        // A Textarea?
        elseif ($setting['type'] == 'textarea')
        {
            echo '
                    <dd>
                        <textarea rows="4" style="width: 95%;" cols="40" name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="', $setting['id'], '">', $setting['value'], '</textarea>
                    </dd>';
        }
        // A regular input box, then?
        else
        {
            echo '
                    <dd>';

            if (isset($setting['type']) && $setting['type'] == 'number')
            {
                $min = isset($setting['min']) ? ' min="' . $setting['min'] . '"' : ' min="0"';
                $max = isset($setting['max']) ? ' max="' . $setting['max'] . '"' : '';
                $step = isset($setting['step']) ? ' step="' . $setting['step'] . '"' : '';

                echo '
                        <input type="number"', $min . $max . $step;
            }
            elseif (isset($setting['type']) && $setting['type'] == 'url')
                echo '
                        <input type="url"';

            else
                echo '
                        <input type="text"';

            echo ' name="', !empty($setting['default']) ? 'default_' : '', 'options[', $setting['id'], ']" id="options_', $setting['id'], '" value="', $setting['value'], '"', $setting['type'] == 'number' ? ' size="5"' : (empty($setting['size']) ? ' size="40"' : ' size="' . $setting['size'] . '"'), '>
                    </dd>';
        }
    }

    echo '
                </dl>
                <input type="submit" name="save" value="', $txt['save'], '" class="button">
                <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">
                <input type="hidden" name="', $context['admin-sts_token_var'], '" value="', $context['admin-sts_token'], '">
            </div><!-- .windowbg -->
        </form>
    </div><!-- #admin_form_wrapper -->';

    if (!empty($context['theme_variants']))
    {
        echo '
        <script>
        var oThumbnails = {';

        // All the variant thumbnails.
        $count = 1;
        foreach ($context['theme_variants'] as $key => $variant)
        {
            echo '
            \'', $key, '\': \'', $variant['thumbnail'], '\'', (count($context['theme_variants']) == $count ? '' : ',');
            $count++;
        }

        echo '
        }
        </script>';
    }
}

/**
 * This template allows for the selection of different themes ;)
 */
function template_pick()
{
    global $context, $scripturl, $txt;

    echo '
    <div id="pick_theme">
        <form action="', $scripturl, '?action=theme;sa=pick;u=', $context['current_member'], ';', $context['session_var'], '=', $context['session_id'], '" method="post" accept-charset="', $context['character_set'], '">';

    // Just go through each theme and show its information - thumbnail, etc.
    foreach ($context['available_themes'] as $theme)
    {
        echo '
            <div class="cat_bar">
                <h3 class="catbg">
                    <a href="', $scripturl, '?action=theme;sa=pick;u=', $context['current_member'], ';th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], !empty($theme['variants']) ? ';vrt=' . $theme['selected_variant'] : '', '">', $theme['name'], '</a>
                </h3>
            </div>
            <div class="windowbg', $theme['selected'] ? ' selected' : '', '">
                <div class="flow_hidden">
                    <div class="floatright">
                        <a href="', $scripturl, '?action=theme;sa=pick;u=', $context['current_member'], ';theme=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], '" id="theme_thumb_preview_', $theme['id'], '" title="', $txt['theme_preview'], '">
                            <img src="', $theme['thumbnail_href'], '" id="theme_thumb_', $theme['id'], '" alt="" class="padding">
                        </a>
                    </div>
                    <p>', $theme['description'], '</p>';

        if (!empty($theme['variants']))
        {
            echo '
                    <label for="variant', $theme['id'], '"><strong>', $theme['pick_label'], '</strong></label>:
                    <select id="variant', $theme['id'], '" name="vrt[', $theme['id'], ']" onchange="changeVariant', $theme['id'], '(this.value);">';

            foreach ($theme['variants'] as $key => $variant)
                echo '
                        <option value="', $key, '"', $theme['selected_variant'] == $key ? ' selected' : '', '>', $variant['label'], '</option>';

            echo '
                    </select>
                    <noscript>
                        <input type="submit" name="save[', $theme['id'], ']" value="', $txt['save'], '" class="button">
                    </noscript>';
        }

        echo '
                    <br>
                    <p>
                        <em class="smalltext">', $theme['num_users'], ' ', ($theme['num_users'] == 1 ? $txt['theme_user'] : $txt['theme_users']), '</em>
                    </p>
                    <br>
                    <ul>
                        <li>
                            <a href="', $scripturl, '?action=theme;sa=pick;u=', $context['current_member'], ';th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], !empty($theme['variants']) ? ';vrt=' . $theme['selected_variant'] : '', '" id="theme_use_', $theme['id'], '">[', $txt['theme_set'], ']</a>
                        </li>
                        <li>
                            <a href="', $scripturl, '?action=theme;sa=pick;u=', $context['current_member'], ';theme=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], '" id="theme_preview_', $theme['id'], '">[', $txt['theme_preview'], ']</a>
                        </li>
                    </ul>
                </div>
            </div>';

        if (!empty($theme['variants']))
        {
            echo '
            <script>
            var sBaseUseUrl', $theme['id'], ' = smf_prepareScriptUrl(smf_scripturl) + \'action=theme;sa=pick;u=', $context['current_member'], ';th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], '\';
            var sBasePreviewUrl', $theme['id'], ' = smf_prepareScriptUrl(smf_scripturl) + \'action=theme;sa=pick;u=', $context['current_member'], ';theme=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], '\';
            var oThumbnails', $theme['id'], ' = {';

            // All the variant thumbnails.
            $count = 1;
            foreach ($theme['variants'] as $key => $variant)
            {
                echo '
                \'', $key, '\': \'', $variant['thumbnail'], '\'', (count($theme['variants']) == $count ? '' : ',');
                $count++;
            }

            echo '
            }

            function changeVariant', $theme['id'], '(sVariant)
            {
                document.getElementById(\'theme_thumb_', $theme['id'], '\').src = oThumbnails', $theme['id'], '[sVariant];
                document.getElementById(\'theme_use_', $theme['id'], '\').href = sBaseUseUrl', $theme['id'] == 0 ? $context['default_theme_id'] : $theme['id'], ' + \';vrt=\' + sVariant;
                document.getElementById(\'theme_thumb_preview_', $theme['id'], '\').href = sBasePreviewUrl', $theme['id'], ' + \';vrt=\' + sVariant + \';variant=\' + sVariant;
                document.getElementById(\'theme_preview_', $theme['id'], '\').href = sBasePreviewUrl', $theme['id'], ' + \';vrt=\' + sVariant + \';variant=\' + sVariant;
            }
            </script>';
        }
    }

    echo '
        </form>
    </div><!-- #pick_theme -->';
}

/**
 * Okay, that theme was installed/updated successfully!
 */
function template_installed()
{
    global $context, $scripturl, $txt;

    // The aftermath.
    echo '
        <div class="cat_bar">
            <h3 class="catbg">', $context['page_title'], '</h3>
        </div>
        <div class="windowbg">';

    // Oops! there was an error :(
    if (!empty($context['error_message']))
        echo '
            <p>
                ', $context['error_message'], '
            </p>';

    // Not much to show except a link back...
    else
        echo '
            <p>
                <a href="', $scripturl, '?action=admin;area=theme;sa=list;th=', $context['installed_theme']['id'], ';', $context['session_var'], '=', $context['session_id'], '">', $context['installed_theme']['name'], '</a> ', $txt['theme_' . (isset($context['installed_theme']['updated']) ? 'updated' : 'installed') . '_message'], '
            </p>
            <p>
                <a href="', $scripturl, '?action=admin;area=theme;sa=admin;', $context['session_var'], '=', $context['session_id'], '">', $txt['back'], '</a>
            </p>';

    echo '
        </div><!-- .windowbg -->';
}

/**
 * The page for editing themes.
 */
function template_edit_list()
{
    global $context, $scripturl, $txt;

    echo '
    <div id="admin_form_wrapper">
        <div class="cat_bar">
            <h3 class="catbg">', $txt['themeadmin_edit_title'], '</h3>
        </div>
        <div class="windowbg">';

    foreach ($context['themes'] as $theme)
    {
        echo '
            <fieldset>
                <legend>
                    <a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=edit">', $theme['name'], '</a>', !empty($theme['version']) ? '
                    <em>(' . $theme['version'] . ')</em>' : '', '
                </legend>
                <ul>
                    <li><a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=edit">', $txt['themeadmin_edit_browse'], '</a></li>', $theme['can_edit_style'] ? '
                    <li><a href="' . $scripturl . '?action=admin;area=theme;th=' . $theme['id'] . ';' . $context['session_var'] . '=' . $context['session_id'] . ';sa=edit;directory=css">' . $txt['themeadmin_edit_style'] . '</a></li>' : '', '
                    <li><a href="', $scripturl, '?action=admin;area=theme;th=', $theme['id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=copy">', $txt['themeadmin_edit_copy_template'], '</a></li>
                </ul>
            </fieldset>';
    }

    echo '
        </div><!-- .windowbg -->
    </div><!-- #admin_form_wrapper -->';
}

/**
 * The page allowing you to copy a template from one theme to another.
 */
function template_copy_template()
{
    global $context, $scripturl, $txt;

    echo '
        <div class="cat_bar">
            <h3 class="catbg">', $txt['themeadmin_edit_filename'], '</h3>
        </div>
        <div class="information">
            ', $txt['themeadmin_edit_copy_warning'], '
        </div>
        <div class="windowbg">
            <ul class="theme_options">';

    foreach ($context['available_templates'] as $template)
    {
        echo '
                <li class="flow_hidden windowbg">
                    <span class="floatleft">', $template['filename'], $template['already_exists'] ? ' <span class="error">(' . $txt['themeadmin_edit_exists'] . ')</span>' : '', '</span>
                    <span class="floatright">';

        if ($template['can_copy'])
            echo '
                        <a href="', $scripturl, '?action=admin;area=theme;th=', $context['theme_id'], ';', $context['session_var'], '=', $context['session_id'], ';sa=copy;template=', $template['value'], '" data-confirm="', $template['already_exists'] ? $txt['themeadmin_edit_overwrite_confirm'] : $txt['themeadmin_edit_copy_confirm'], '" class="you_sure">', $txt['themeadmin_edit_do_copy'], '</a>';
        else
            echo $txt['themeadmin_edit_no_copy'];

        echo '
                    </span>
                </li>';
    }

    echo '
            </ul>
        </div><!-- .windowbg -->';
}

/**
 * This lets you browse a list of files in a theme so you can choose which one to edit.
 */
function template_edit_browse()
{
    global $context, $txt;

    if (!empty($context['browse_title']))
        echo '
        <div class="cat_bar">
            <h3 class="catbg">', $context['browse_title'], '</h3>
        </div>';

    echo '
        <table class="table_grid tborder">
            <thead>
                <tr class="title_bar">
                    <th class="lefttext half_table" scope="col">', $txt['themeadmin_edit_filename'], '</th>
                    <th class="quarter_table" scope="col">', $txt['themeadmin_edit_modified'], '</th>
                    <th class="quarter_table" scope="col">', $txt['themeadmin_edit_size'], '</th>
                </tr>
            </thead>
            <tbody>';

    foreach ($context['theme_files'] as $file)
    {
        echo '
                <tr class="windowbg">
                    <td>';

        if ($file['is_editable'])
            echo '
                        <a href="', $file['href'], '"', $file['is_template'] ? ' style="font-weight: bold;"' : '', '>', $file['filename'], '</a>';

        elseif ($file['is_directory'])
            echo '
                        <a href="', $file['href'], '" class="is_directory"><span class="main_icons folder"></span>', $file['filename'], '</a>';

        else
            echo $file['filename'];

        echo '
                    </td>
                    <td class="righttext">', !empty($file['last_modified']) ? $file['last_modified'] : '', '</td>
                    <td class="righttext">', $file['size'], '</td>
                </tr>';
    }

    echo '
            </tbody>
        </table>';
}

/**
 * Wanna edit the stylesheet?
 */
function template_edit_style()
{
    global $context, $settings, $scripturl, $txt;

    if ($context['session_error'])
        echo '
    <div class="errorbox">
        ', $txt['error_session_timeout'], '
    </div>';

    // From now on no one can complain that editing css is difficult. If you disagree, go to www.w3schools.com.
    echo '
        <script>
            var previewData = "";
            var previewTimeout;
            var editFilename = ', JavaScriptEscape($context['edit_filename']), ';

            // Load up a page, but apply our stylesheet.
            function navigatePreview(url)
            {
                var myDoc = new XMLHttpRequest();
                myDoc.onreadystatechange = function ()
                {
                    if (myDoc.readyState != 4)
                        return;

                    if (myDoc.responseText != null && myDoc.status == 200)
                    {
                        previewData = myDoc.responseText;
                        document.getElementById("css_preview_box").style.display = "";

                        // Revert to the theme they actually use ;).
                        var tempImage = new Image();
                        tempImage.src = smf_prepareScriptUrl(smf_scripturl) + "action=admin;area=theme;sa=edit;theme=', $settings['theme_id'], ';preview;" + (new Date().getTime());

                        refreshPreviewCache = null;
                        refreshPreview(false);
                    }
                };

                var anchor = "";
                if (url.indexOf("#") != -1)
                {
                    anchor = url.substr(url.indexOf("#"));
                    url = url.substr(0, url.indexOf("#"));
                }

                myDoc.open("GET", url + (url.indexOf("?") == -1 ? "?" : ";") + "theme=', $context['theme_id'], ';normalcss" + anchor, true);
                myDoc.send(null);
            }
            navigatePreview(smf_scripturl);

            var refreshPreviewCache;
            function refreshPreview(check)
            {
                var identical = document.forms.stylesheetForm.entire_file.value == refreshPreviewCache;

                // Don\'t reflow the whole thing if nothing changed!!
                if (check && identical)
                    return;
                refreshPreviewCache = document.forms.stylesheetForm.entire_file.value;
                // Replace the paths for images.
                refreshPreviewCache = refreshPreviewCache.replace(/url\(\.\.\/images/gi, "url(" + smf_images_url);

                // Try to do it without a complete reparse.
                if (identical)
                {
                    try
                    {
                    ';

    if (isBrowser('is_ie'))
        echo '
                        var sheets = frames["css_preview_box"].document.styleSheets;
                        for (var j = 0; j < sheets.length; j++)
                        {
                            if (sheets[j].id == "css_preview_box")
                                sheets[j].cssText = document.forms.stylesheetForm.entire_file.value;
                        }';
    else
        echo '
                        setInnerHTML(frames["css_preview_box"].document.getElementById("css_preview_sheet"), document.forms.stylesheetForm.entire_file.value);';
    echo '
                    }
                    catch (e)
                    {
                        identical = false;
                    }
                }

                // This will work most of the time... could be done with an after-apply, maybe.
                if (!identical)
                {
                    var data = previewData + "";
                    var preview_sheet = document.forms.stylesheetForm.entire_file.value;
                    var stylesheetMatch = new RegExp(\'<link rel="stylesheet"[^>]+href="[^"]+\' + editFilename + \'[^>]*>\');

                    // Replace the paths for images.
                    preview_sheet = preview_sheet.replace(/url\(\.\.\/images/gi, "url(" + smf_images_url);
                    data = data.replace(stylesheetMatch, "<style type=\"text/css\" id=\"css_preview_sheet\">" + preview_sheet + "<" + "/style>");

                    frames["css_preview_box"].document.open();
                    frames["css_preview_box"].document.write(data);
                    frames["css_preview_box"].document.close();

                    // Next, fix all its links so we can handle them and reapply the new css!
                    frames["css_preview_box"].onload = function ()
                    {
                        var fixLinks = frames["css_preview_box"].document.getElementsByTagName("a");
                        for (var i = 0; i < fixLinks.length; i++)
                        {
                            if (fixLinks[i].onclick)
                                continue;
                            fixLinks[i].onclick = function ()
                            {
                                window.parent.navigatePreview(this.href);
                                return false;
                            };
                        }
                    };
                }
            }
        </script>
        <iframe id="css_preview_box" name="css_preview_box" src="about:blank" frameborder="0" style="display: none;"></iframe>';

    // Just show a big box.... gray out the Save button if it's not saveable... (ie. not 777.)
    echo '
        <form action="', $scripturl, '?action=admin;area=theme;th=', $context['theme_id'], ';sa=edit" method="post" accept-charset="', $context['character_set'], '" name="stylesheetForm" id="stylesheetForm">
            <div class="cat_bar">
                <h3 class="catbg">', $txt['theme_edit'], ' - ', $context['edit_filename'], '</h3>
            </div>
            <div class="windowbg">';

    if (!$context['allow_save'])
        echo '
                ', $txt['theme_edit_no_save'], ': ', $context['allow_save_filename'], '<br>';

    echo '
                <textarea class="edit_file" name="entire_file" cols="80" rows="20" onkeyup="setPreviewTimeout();" onchange="refreshPreview(true);">', $context['entire_file'], '</textarea>
                <br>
                <div class="padding righttext">
                    <input type="submit" name="save" value="', $txt['theme_edit_save'], '"', $context['allow_save'] ? '' : ' disabled', ' class="button">
                    <input type="button" value="', $txt['themeadmin_edit_preview'], '" onclick="refreshPreview(false);" class="button">
                </div>
            </div>
            <input type="hidden" name="filename" value="', $context['edit_filename'], '">
            <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">';

    // Hopefully it exists.
    if (isset($context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token']))
        echo '
            <input type="hidden" name="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token_var'], '" value="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token'], '">';

    echo '
        </form>';
}

/**
 * This edits the template...
 */
function template_edit_template()
{
    global $context, $scripturl, $txt;

    if ($context['session_error'])
        echo '
    <div class="errorbox">
        ', $txt['error_session_timeout'], '
    </div>';

    if (isset($context['parse_error']))
        echo '
    <div class="errorbox">
        ', $txt['themeadmin_edit_error'], '
        <div><pre>', $context['parse_error'], '</pre></div>
    </div>';

    // Just show a big box.... gray out the Save button if it's not saveable... (ie. not 777.)
    echo '
        <form action="', $scripturl, '?action=admin;area=theme;th=', $context['theme_id'], ';sa=edit" method="post" accept-charset="', $context['character_set'], '">
            <div class="cat_bar">
                <h3 class="catbg">', $txt['theme_edit'], ' - ', $context['edit_filename'], '</h3>
            </div>
            <div class="windowbg">';

    if (!$context['allow_save'])
        echo '
                ', $txt['theme_edit_no_save'], ': ', $context['allow_save_filename'], '<br>';

    foreach ($context['file_parts'] as $part)
        echo '
                <label for="on_line', $part['line'], '">', $txt['themeadmin_edit_on_line'], ' ', $part['line'], '</label>:<br>
                <div class="centertext">
                    <textarea id="on_line', $part['line'], '" name="entire_file[]" cols="80" rows="', $part['lines'] > 14 ? '14' : $part['lines'], '" class="edit_file">', $part['data'], '</textarea>
                </div>';

    echo '
                <div class="padding righttext">
                    <input type="submit" name="save" value="', $txt['theme_edit_save'], '"', $context['allow_save'] ? '' : ' disabled', ' class="button">
                    <input type="hidden" name="filename" value="', $context['edit_filename'], '">
                    <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">';

    // Hopefully it exists.
    if (isset($context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token']))
        echo '
                    <input type="hidden" name="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token_var'], '" value="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token'], '">';

    echo '
                </div><!-- .righttext -->
            </div><!-- .windowbg -->
        </form>';
}

/**
 * This allows you to edit a file
 */
function template_edit_file()
{
    global $context, $scripturl, $txt;

    if ($context['session_error'])
        echo '
    <div class="errorbox">
        ', $txt['error_session_timeout'], '
    </div>';

    // Is this file writeable?
    if (!$context['allow_save'])
        echo '
    <div class="errorbox">
        ', $txt['theme_edit_no_save'], ': ', $context['allow_save_filename'], '
    </div>';

    // Just show a big box.... gray out the Save button if it's not saveable... (ie. not 777.)
    echo '
        <form action="', $scripturl, '?action=admin;area=theme;th=', $context['theme_id'], ';sa=edit" method="post" accept-charset="', $context['character_set'], '">
            <div class="cat_bar">
                <h3 class="catbg">', $txt['theme_edit'], ' - ', $context['edit_filename'], '</h3>
            </div>
            <div class="windowbg">
                <textarea name="entire_file" id="entire_file" cols="80" rows="20" class="edit_file">', $context['entire_file'], '</textarea><br>
                <input type="submit" name="save" value="', $txt['theme_edit_save'], '"', $context['allow_save'] ? '' : ' disabled', ' class="button">
                <input type="hidden" name="filename" value="', $context['edit_filename'], '">
                <input type="hidden" name="', $context['session_var'], '" value="', $context['session_id'], '">';

    // Hopefully it exists.
    if (isset($context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token']))
        echo '
                <input type="hidden" name="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token_var'], '" value="', $context['admin-te-' . md5($context['theme_id'] . '-' . $context['edit_filename']) . '_token'], '">';

    echo '
            </div><!-- .windowbg -->
        </form>';
}

?>