function system_themes_page

Menu callback; displays a listing of all themes.

File

modules/system/system.admin.inc, line 136

Code

function system_themes_page() {
    // Get current list of themes.
    $themes = system_rebuild_theme_data();
    uasort($themes, 'system_sort_modules_by_info_name');
    $theme_default = variable_get('theme_default', 'bartik');
    $theme_groups = array();
    foreach ($themes as &$theme) {
        if (!empty($theme->info['hidden'])) {
            continue;
        }
        $admin_theme_options[$theme->name] = $theme->info['name'];
        $theme->is_default = $theme->name == $theme_default;
        // Identify theme screenshot.
        $theme->screenshot = NULL;
        // Create a list which includes the current theme and all its base themes.
        if (isset($themes[$theme->name]->base_themes)) {
            $theme_keys = array_keys($themes[$theme->name]->base_themes);
            $theme_keys[] = $theme->name;
        }
        else {
            $theme_keys = array(
                $theme->name,
            );
        }
        // Look for a screenshot in the current theme or in its closest ancestor.
        foreach (array_reverse($theme_keys) as $theme_key) {
            if (isset($themes[$theme_key]) && file_exists($themes[$theme_key]->info['screenshot'])) {
                $theme->screenshot = array(
                    'path' => $themes[$theme_key]->info['screenshot'],
                    'alt' => t('Screenshot for !theme theme', array(
                        '!theme' => $theme->info['name'],
                    )),
                    'title' => t('Screenshot for !theme theme', array(
                        '!theme' => $theme->info['name'],
                    )),
                    'attributes' => array(
                        'class' => array(
                            'screenshot',
                        ),
                    ),
                );
                break;
            }
        }
        if (empty($theme->status)) {
            // Ensure this theme is compatible with this version of core.
            // Require the 'content' region to make sure the main page
            // content has a common place in all themes.
            $theme->incompatible_core = !isset($theme->info['core']) || $theme->info['core'] != DRUPAL_CORE_COMPATIBILITY || !isset($theme->info['regions']['content']);
            $theme->incompatible_php = version_compare(phpversion(), $theme->info['php']) < 0;
        }
        $query['token'] = drupal_get_token('system-theme-operation-link');
        $theme->operations = array();
        if (!empty($theme->status) || !$theme->incompatible_core && !$theme->incompatible_php) {
            // Create the operations links.
            $query['theme'] = $theme->name;
            if (drupal_theme_access($theme)) {
                $theme->operations[] = array(
                    'title' => t('Settings'),
                    'href' => 'admin/appearance/settings/' . $theme->name,
                    'attributes' => array(
                        'title' => t('Settings for !theme theme', array(
                            '!theme' => $theme->info['name'],
                        )),
                    ),
                );
            }
            if (!empty($theme->status)) {
                if (!$theme->is_default) {
                    $theme->operations[] = array(
                        'title' => t('Disable'),
                        'href' => 'admin/appearance/disable',
                        'query' => $query,
                        'attributes' => array(
                            'title' => t('Disable !theme theme', array(
                                '!theme' => $theme->info['name'],
                            )),
                        ),
                    );
                    $theme->operations[] = array(
                        'title' => t('Set default'),
                        'href' => 'admin/appearance/default',
                        'query' => $query,
                        'attributes' => array(
                            'title' => t('Set !theme as default theme', array(
                                '!theme' => $theme->info['name'],
                            )),
                        ),
                    );
                }
            }
            else {
                $theme->operations[] = array(
                    'title' => t('Enable'),
                    'href' => 'admin/appearance/enable',
                    'query' => $query,
                    'attributes' => array(
                        'title' => t('Enable !theme theme', array(
                            '!theme' => $theme->info['name'],
                        )),
                    ),
                );
                $theme->operations[] = array(
                    'title' => t('Enable and set default'),
                    'href' => 'admin/appearance/default',
                    'query' => $query,
                    'attributes' => array(
                        'title' => t('Enable !theme as default theme', array(
                            '!theme' => $theme->info['name'],
                        )),
                    ),
                );
            }
        }
        // Add notes to default and administration theme.
        $theme->notes = array();
        $theme->classes = array();
        if ($theme->is_default) {
            $theme->classes[] = 'theme-default';
            $theme->notes[] = t('default theme');
        }
        // Sort enabled and disabled themes into their own groups.
        $theme_groups[$theme->status ? 'enabled' : 'disabled'][] = $theme;
    }
    // There are two possible theme groups.
    $theme_group_titles = array(
        'enabled' => format_plural(count($theme_groups['enabled']), 'Enabled theme', 'Enabled themes'),
    );
    if (!empty($theme_groups['disabled'])) {
        $theme_group_titles['disabled'] = format_plural(count($theme_groups['disabled']), 'Disabled theme', 'Disabled themes');
    }
    uasort($theme_groups['enabled'], 'system_sort_themes');
    drupal_alter('system_themes_page', $theme_groups);
    $admin_form = drupal_get_form('system_themes_admin_form', $admin_theme_options);
    return theme('system_themes_page', array(
        'theme_groups' => $theme_groups,
        'theme_group_titles' => $theme_group_titles,
    )) . drupal_render($admin_form);
}