Club Drupal

<?php

/**

 * @file css_injector.admin.inc

 * Administrative interface for CSS Injector.

 */

/**

 * Form builder function for CSS Injector's main admin page.

 */

function css_injector_admin_form($form, &$form_state) {

  $rules = _css_injector_load_rule(NULL, TRUE);

  $path = drupal_get_path('module', 'css_injector') . '/';

  $form = array();

  $form['#tree'] = TRUE;

  // Adding css stylesheet for icons.

  $form['#attached']['css'] = array(

    drupal_get_path('module', 'css_injector') . '/css_injector.css',

  );

  foreach ($rules as $rule) {

    $form['rules'][$rule['crid']]['#rule'] = $rule;

    $form['rules'][$rule['crid']]['edit'] = array(

      '#type' => 'submit',

      '#value' => t('Edit rule'),

      '#name' => 'edit' . $rule['crid'],

      '#submit' => array('css_injector_admin_edit_button'),

      '#attributes' => array('class' => array('css-inject-edit')),

      '#crid' => $rule['crid'],

    );

    $form['rules'][$rule['crid']]['delete'] = array(

      '#type' => 'submit',

      '#value' => t('Delete rule'),

      '#name' => 'delete' . $rule['crid'],

      '#submit' => array('css_injector_admin_delete_button'),

      '#attributes' => array('class' => array('css-inject-delete')),

      '#crid' => $rule['crid'],

    );

  }

  return $form;

}

/**

 * Edit button callback for the CSS rule listing form.

 */

function css_injector_admin_edit_button($form, &$form_state) {

  $button = $form_state['triggering_element'];

  $crid = $button['#crid'];

  $form_state['redirect'] = 'admin/config/development/css-injector/edit/' . $crid;

}

/**

 * Delete button callback for the CSS rule listing form.

 * Redirects the user to the confirmation form.

 */

function css_injector_admin_delete_button($form, &$form_state) {

  $button = $form_state['triggering_element'];

  $crid = $button['#crid'];

  $form_state['redirect'] = 'admin/config/development/css-injector/delete/' . $crid;

}

/**

 * Theme function for the CSS Injector admin overview form.

 */

function theme_css_injector_admin_form($variables) {

  $form = $variables['form'];

  $headers = array(t('Title'), t('Location'), t('Actions'));

  $rows = array();

  if (!empty($form['rules'])) {

    foreach (element_children($form['rules']) as $crid) {

      $row = array();

      $rule = $form['rules'][$crid]['#rule'];

      $row[] = check_plain($rule['title']);

      $row[] = _css_injector_rule_uri($rule['crid']);

      $row[] = drupal_render($form['rules'][$crid]);

      $rows[] = $row;

    }

  }

  $link = l(t('Create a new rule'), 'admin/config/development/css-injector/add');

  $row = array();

  if (empty($rows)) {

    $row[] = array(

      'data' => t('No CSS injection rules have been set up yet. !url.', array('!url' => $link)),

      'colspan' => 3,

    );

  }

  else {

    $row[] = array(

      'data' => t('!url.', array('!url' => $link)),

      'colspan' => 3,

    );

  }

  $rows[] = $row;

  $output = theme('table', array('header' => $headers, 'rows' => $rows));

  $output .= drupal_render_children($form);

  return $output;

}

/**

 * Form builder function for the CSS rule edit form.

 */

function css_injector_edit($form, $form_state, $crid = NULL) {

  if (isset($crid)) {

    $rule = _css_injector_load_rule($crid, TRUE);

    $path = _css_injector_rule_uri($rule['crid']);

    if (file_exists($path)) {

      $rule['css_text'] = file_get_contents($path);

    }

    else {

      $rule['css_text'] = '';

    }

  }

  else {

    $rule = array(

      'title' => '',

      'rule_type' => CSS_INJECTOR_PAGES_NOTLISTED,

      'rule_themes' => '',

      'rule_conditions' => '',

      'media' => 'all',

      'preprocess' => 1,

      'css_text' => '',

      'enabled' => 1,

    );

  }

  // Adding css stylesheet for icons.

  $form['#attached']['js'] = array(

    drupal_get_path('module', 'css_injector') . '/ace/ace.js',

    drupal_get_path('module', 'css_injector') . '/syntax_highlighter.js',

  );

  $form['#attached']['css'] = array(

    drupal_get_path('module', 'css_injector') . '/syntax_highlighter.css',

  );

  if (isset($crid)) {

  $form['crid'] = array(

      '#type' => 'value',

      '#value' => $crid,

    );

  }

  $form['title'] = array(

    '#type' => 'textfield',

    '#title' => t('Title'),

    '#default_value' => $rule['title'],

    '#required' => TRUE,

  );

  $form['css_text'] = array(

    '#type' => 'textarea',

    '#title' => t('CSS code'),

    '#rows' => 10,

    '#default_value' => $rule['css_text'],

    '#required' => TRUE,

  );

  $form['css_text_ace'] = array(

    '#prefix' => '<span class="disable-ace">Disable syntax highlighter</span>',

    '#markup' => '<div class="ace-editor"><div id="editor">' . $rule['css_text'] . '</div></div>',

  );

  // Get info of site themes.

  $themes = array();

  $theme_list = list_themes();

  $default_theme = variable_get('theme_default');

  foreach ($theme_list as $single_theme) {

    $themes[$single_theme->name] = $single_theme->info['name'];

  }

  $rule['rule_themes'] = unserialize($rule['rule_themes']);

  $form['conditional']['rule_themes'] = array(

  '#type' => 'select',

  '#title' => 'Themes to show on',

  '#default_value' => isset($rule['rule_themes']) ? $rule['rule_themes'] : $default_theme,

  '#options' => $themes,

  '#description' => t('Select themes css will be applied to. @theme theme is selected by default.', array('@theme' => $themes[$default_theme])),

  '#multiple' => TRUE,

  );

  // Shamelessly ripped from block.module. Who doesn't use this snippet

  // of code, really?

  $php_access = (user_access('use PHP for settings') && module_exists('php'));

  $options = array(

    CSS_INJECTOR_PAGES_NOTLISTED => t('Add on every page except the listed pages.'),

    CSS_INJECTOR_PAGES_LISTED => t('add on only the listed pages.')

  );

  $description = t("Enter one page per line as Drupal paths. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));

  if ($php_access) {

    $options[CSS_INJECTOR_PHP] = t('Add if the following PHP code outputs a nonzero value (PHP-mode, experts only).');

    $description .= ' ' . t('If the PHP-mode is chosen, enter PHP code between %php. Note that executing incorrect PHP-code can break your Drupal site.', array('%php' => '<?php ?>'));

  }

  $form['conditional']['rule_type'] = array(

    '#type' => 'radios',

    '#title' => t('Add the CSS on specific pages'),

    '#options' => $options,

    '#default_value' => $rule['rule_type'],

  );

  $form['conditional']['rule_conditions'] = array(

    '#type' => 'textarea',

    '#title' => t('Pages'),

    '#default_value' => $rule['rule_conditions'],

    '#description' => $description,

  );

  $form['media'] = array(

    '#type' => 'select',

    '#title' => t('Media'),

    '#options' => array(

      'all' => t('All'),

      'screen' => t('Screen'),

      'print' => t('Print'),

      'IE 7' => t('IE7'),

      'IE 8' => t('IE8'),

      'IE 9' => t('IE9'),

    ),

    '#default_value' => $rule['media'],

  );

  $form['preprocess'] = array(

    '#type' => 'checkbox',

    '#title' => t('Preprocess CSS'),

    '#default_value' => $rule['preprocess'],

  );

  $form['enabled'] = array(

    '#type' => 'checkbox',

    '#title' => t('Enable rule'),

    '#default_value' => isset($rule['enabled']) ? $rule['enabled'] : 1,

  );

  $form['buttons']['save'] = array(

    '#type' => 'submit',

    '#value' => t('Save'),

    '#submit' => array('css_injector_edit_save'),

  );

  $form['buttons']['save_and_continue'] = array(

    '#type' => 'submit',

    '#value' => t('Save and Continue Editing'),

    '#submit' => array('css_injector_edit_save_and_continue'),

  );

  if (!empty($rule['crid'])) {

    $form['buttons']['delete'] = array(

      '#type' => 'submit',

      '#value' => t('Delete'),

      '#crid' => $rule['crid'],

      '#submit' => array('css_injector_admin_delete_button'),

    );

  }

  return $form;

}

/**

 * Validation callback for the CSS rule edit form.

 */

function css_injector_edit_validate($form, &$form_state) {

  $directory = drupal_realpath('public://css_injector');

  if (!file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {

    form_error($form, t('The directory %directory is not writable', array('%directory' => $directory)));

  }

}

/**

 * Submit button callback for the CSS rule edit form.

 */

function css_injector_edit_save($form, &$form_state) {

  //$themes = implode('//', $form_state['values']['themes']);

  $rule = $form_state['values'];

  $crid = !empty($form_state['values']['crid']) ? $form_state['values']['crid'] : NULL;

  // Serialize themes list before inserting to databse.

  $rule['rule_themes'] = serialize($rule['rule_themes']);

  drupal_write_record('css_injector_rule', $rule, empty($crid) ? array() : 'crid');

  // Unserialize themes list for form state.

  $rule['rule_themes'] = unserialize($rule['rule_themes']);

  $form_state['values']['rule'] = $rule;

  file_unmanaged_save_data($rule['css_text'], _css_injector_rule_uri($rule['crid']), FILE_EXISTS_REPLACE);

  _css_injector_load_rule(NULL, TRUE);

  drupal_set_message(t('Your CSS injection rule %title was saved.', array('%title' => $rule['title'])));

  $form_state['redirect'] = 'admin/config/development/css-injector';

}

/**

 * Save and continue callback for the CSS rule edit form.

 */

function css_injector_edit_save_and_continue($form, &$form_state) {

  css_injector_edit_save($form, $form_state);

  $form_state['redirect'] = 'admin/config/development/css-injector/edit/' . $form_state['values']['rule']['crid'];

}

/**

 * Menu callback -- ask for confirmation of rule deletion.

 */

function css_injector_delete_confirm($form, &$form_state, $crid) {

  $form['crid'] = array(

    '#type' => 'value',

    '#value' => $crid,

  );

  $rule = _css_injector_load_rule($crid);

  return confirm_form($form,

    t('Are you sure you want to delete %title?', array('%title' => $rule['title'])),

    isset($_GET['destination']) ? $_GET['destination'] : 'admin/config/development/css-injector',

    t('This action cannot be undone.'),

    t('Delete'),

    t('Cancel')

  );

}

/**

 * Execute node deletion.

 */

function css_injector_delete_confirm_submit($form, &$form_state) {

  if ($form_state['values']['confirm']) {

    _css_injector_delete_rule($form_state['values']['crid']);

  }

  $form_state['redirect'] = 'admin/config/development/css-injector';

  return;

}