css_editor.module in CSS Editor 7

File

css_editor.module

<?php

/**
 * Implements hook_init().
 */
function css_editor_init() {
  global $theme;
  $enabled_themes = variable_get('css_editor_enabled_themes', array());
  if (isset($enabled_themes[$theme]) && $enabled_themes[$theme] && !isset($_REQUEST['theme'])) {
    drupal_add_css(theme_get_setting('css', $theme), array(
      'type' => 'inline',
      'weight' => 9999,
      'group' => CSS_THEME,
    ));
  }
}

/**
 * Implements hook_menu().
 */
function css_editor_menu() {
  $items = array();
  $items['admin/config/user-interface/css-editor'] = array(
    'title' => t('CSS Editor'),
    'description' => t('General settings for custom CSS per theme.'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'css_editor_admin_settings',
    ),
    'access arguments' => array(
      'administer site configuration',
    ),
  );
  return $items;
}

/**
 * Form function for item `admin/config/user-interface/css`.
 */
function css_editor_admin_settings() {
  $themes = array();
  foreach (list_themes(TRUE) as $name => $theme) {
    if ($theme->status) {
      $themes[$name] = $name;
    }
  }
  $form['css_editor_enabled_themes'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Enabled themes'),
    '#description' => t('Choose which themes can use the custom CSS feature.'),
    '#options' => $themes,
    '#default_value' => variable_get('css_editor_enabled_themes', array()),
  );
  $form = system_settings_form($form);
  return $form;
}

/**
 * Implements hook_form_FORM_ID_alter() for `system_theme_settings`.
 */
function css_editor_form_system_theme_settings_alter(&$form, &$form_state, $form_id) {
  if (!(isset($form_state['build_info']) && isset($form_state['build_info']['args']) && isset($form_state['build_info']['args'][0]))) {
    return;
  }
  $theme = $form_state['build_info']['args'][0];
  $enabled_themes = variable_get('css_editor_enabled_themes', array());
  if (isset($enabled_themes[$theme]) && $enabled_themes[$theme]) {
    $form['css'] = array(
      '#title' => t('Custom CSS'),
      '#type' => 'textarea',
      '#prefix' => '<div id="css-editor-field">',
      '#description' => t('Type custom CSS code for this theme, above. If enabled, preview is displayed below.'),
      '#default_value' => theme_get_setting('css', $theme),
      '#attributes' => array(
        'id' => 'css-editor-textarea',
      ),
      '#suffix' => '</div>',
    );
    $preview_url = url('<front>', array(
      'absolute' => TRUE,
      'query' => array(
        'theme' => $theme,
      ),
    ));
    $form['css_preview'] = array(
      '#markup' => '<iframe src="' . $preview_url . '" id="css-editor-preview">' . t('Frames are not supported.') . '</iframe>',
    );
    drupal_add_js(drupal_get_path('module', 'css_editor') . '/lib/codemirror-3.11/lib/codemirror.js');
    drupal_add_css(drupal_get_path('module', 'css_editor') . '/lib/codemirror-3.11/lib/codemirror.css');
    drupal_add_js(drupal_get_path('module', 'css_editor') . '/lib/codemirror-3.11/mode/css/css.js');
    drupal_add_js(drupal_get_path('module', 'css_editor') . '/js/css_editor.js');
    drupal_add_css(drupal_get_path('module', 'css_editor') . '/css/css_editor.css');
    drupal_add_js(array(
      'CSSEditor' => array(
        'frontPage' => $preview_url,
      ),
    ), 'setting');
  }
}

/**
 * Implements hook_theme().
 */
function css_editor_custom_theme() {
  if (isset($_REQUEST['theme']) && isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] == url('admin/appearance/settings/' . $_REQUEST['theme'], array(
    'absolute' => TRUE,
  ))) {
    return $_REQUEST['theme'];
  }
}

Functions

Name	Description
css_editor_admin_settings	Form function for item `admin/config/user-interface/css`.
css_editor_custom_theme	Implements hook_theme().
css_editor_form_system_theme_settings_alter	Implements hook_form_FORM_ID_alter() for `system_theme_settings`.
css_editor_init	Implements hook_init().
css_editor_menu	Implements hook_menu().