<?php

/**
 * @file
 * Stylizer module.
 *
 * This module allows styles to be created and managed on behalf of modules
 * that implement styles.
 *
 * The Stylizer tool allows recolorable styles to be created via a miniature
 * scripting language. Panels utilizes this to allow administrators to add
 * styles directly to any panel display.
 */

/**
 * Implements hook_permission()
 */
function stylizer_permission() {
  return array(
    'administer stylizer' => array(
      'title' => t("Use the Stylizer UI"),
      'description' => t("Allows a user to use the CTools Stylizer UI."),
    ),
  );
}

/**
 * Implementation of hook_ctools_plugin_directory() to let the system know
 * we implement task and task_handler plugins.
 */
function stylizer_ctools_plugin_directory($module, $plugin) {
  // Most of this module is implemented as an export ui plugin, and the
  // rest is in ctools/includes/stylizer.inc.
  if ($module == 'ctools' && $plugin == 'export_ui') {
    return 'plugins/' . $plugin;
  }
}

/**
 * Implements hook_ctools_plugin_type() to inform the plugin system that
 * Stylizer style_base plugin types.
 */
function stylizer_ctools_plugin_type() {
  return array(
    'style_bases' => array(
      'load themes' => TRUE,
    ),
  );
}

/**
 * Implementation of hook_panels_dashboard_blocks().
 *
 * Adds page information to the Panels dashboard.
 */
function stylizer_panels_dashboard_blocks(&$vars) {
  $vars['links']['stylizer'] = array(
    'title' => l(t('Custom style'), 'admin/structure/stylizer/add'),
    'description' => t('Custom styles can be applied to Panel regions and Panel panes.'),
  );

  // Load all mini panels and their displays.
  ctools_include('export');
  ctools_include('stylizer');
  $items = ctools_export_crud_load_all('stylizer');
  $count = 0;
  $rows = array();

  $base_types = ctools_get_style_base_types();
  foreach ($items as $item) {
    $style = ctools_get_style_base($item->settings['style_base']);
    if ($style && $style['module'] == 'panels') {
      $type = $base_types[$style['module']][$style['type']]['title'];

      $rows[] = array(
        check_plain($item->admin_title),
        $type,
        array(
          'data' => l(t('Edit'), "admin/structure/stylizer/list/$item->name/edit"),
          'class' => 'links',
        ),
      );

      // Only show 10.
      if (++$count >= 10) {
        break;
      }
    }
  }

  if ($rows) {
    $content = theme('table', array('rows' => $rows, 'attributes' => array('class' => 'panels-manage')));
  }
  else {
    $content = '<p>' . t('There are no custom styles.') . '</p>';
  }

  $vars['blocks']['stylizer'] = array(
    'title' => t('Manage styles'),
    'link' => l(t('Go to list'), 'admin/structure/stylizer'),
    'content' => $content,
    'class' => 'dashboard-styles',
    'section' => 'left',
  );
}

/**
 * Implementation of hook_theme to load all content plugins and pass thru if
 * necessary.
 */
function stylizer_theme() {
  $theme = array();
  ctools_include('stylizer');
  // Register all themes given for basetypes.
  $plugins = ctools_get_style_bases();
  $base_types = ctools_get_style_base_types();
  foreach ($plugins as $plugin) {
    if (!empty($base_types[$plugin['module']][$plugin['type']]) && !empty($plugin['theme'])) {
      $base_type = $base_types[$plugin['module']][$plugin['type']];
      $theme[$plugin['theme']] = array(
        'variables' => $base_type['theme variables'],
        'path' => $plugin['path'],
      );

      // If no theme function exists, assume template.
      if (!function_exists("theme_$plugin[theme]")) {
        $theme[$plugin['theme']]['template'] = str_replace('_', '-', $plugin['theme']);
        // For preprocess.
        $theme[$plugin['theme']]['file'] = $plugin['file'];
      }
    }
  }

  return $theme;
}
