od_share.admin.inc

<?php

/**
 * List page.
 */
function od_share_list() {
  $headers = array(
    t('Content type'),
    t('Edit'),
    t('Remove'),
  );
  
  $enabled = variable_get('od_share_enabled', array());
  $rows = array();
  foreach ($enabled as $type) {
    $name = node_get_types('name', array('type' => $type));
    $rows[] = array(
      l($name, 'admin/settings/od_share/'. $type),
      l(t('Edit'), 'admin/settings/od_share/'. $type),
      l(t('Remove'), 'admin/settings/od_share/'. $type .'/remove'),
    );
  }
  if ($rows) {
    $output = theme('table', $headers, $rows);
  }
  else {
    $output = 'no output';
  }
  return $output;
}

/**
 * Content types settings.
 */
function od_share_ctypes() {
  // Options.
  $types = node_get_types();
  $options = array();
  foreach ($types as $type) {
    $options[$type->type] = $type->name;
  }
  // Form.
  $form['od_share_ctypes'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Select content types'),
    '#description' => t(''),
    '#default_value' => variable_get('od_share_enabled', array()),
    '#options' => $options,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Submit'),
  );
  $form['#redirect'] = 'admin/settings/od_share';
  return $form;
}

/**
 * Content types settings submit.
 */
function od_share_ctypes_submit($form, $form_state) {
  $ctypes = array_filter($form_state['values']['od_share_ctypes']);
  variable_set('od_share_enabled', $ctypes);
}

/**
 * Edit plugins.
 */
function od_share_edit(&$form_state, $type) {
  // Check enabled content type.
  if (!in_array($type, variable_get('od_share_enabled', array()))) {
    drupal_not_found();
    exit();
  }
  // Set title.
  $name = node_get_types('name', array('type' => $type));
  drupal_set_title('Share button for '. $name);
  
  // Generate form.
  $form['od_share']['#tree'] = TRUE;
  $plugins = od_share_get_plugins();
  // Get settings.
  if ($_info = od_share_get_type_info($type)) {
    $info = array();
    // Re-structure.
    $max_weight = -999;
    foreach ($_info as $i) {
      $info[$i['plugin']] = $i;
      // Set max weight
      if ($i['weight'] > $max_weight) $max_weight = $i['weight'];
    }
    // Make form in case of new plugins available.
    foreach ($plugins as $plugin) {
      // Make form.
      if ($i = $info[$plugin['plugin']]) {
        
        $plugin['enabled'] = $i['enabled'];
        $plugin['option_value'] = $i['options'];
        
        $form['od_share'][$i['weight']] = od_share_edit_fields($i['weight'], $plugin);
      }
      else {
        $max_weight++;
        $form['od_share'][$max_weight] = od_share_edit_fields($max_weight, $plugin);
      }
    }
  }
  // Make default.
  else {
    foreach ($plugins as $weight => $plugin) {
      $form['od_share'][$weight] = od_share_edit_fields($weight, $plugin);
    }
  }
  // Display position.
  $form['position'] = array(
    '#type' => 'radios',
    '#title' => t('Display position'),
    '#default_value' => variable_get('od_share_type_'. $type .'_position', 'link'),
    '#options' => array(
      'node' => t('Content by weight'),
      'link' => t('Link'),
    ),
  );
  $form['weight'] = array(
    '#type' => 'textfield',
    '#title' => t('Weight position'),
    '#description' => t('If above you select Content by weight, you need to enter weight.'),
    '#default_value' => variable_get('od_share_type_'. $type .'_weight', '0'),
    '#size' => 1,
  );
  $form['type'] = array(
    '#type' => 'hidden',
    '#value' => $type,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Save configuration'),
    '#suffix' => l(t('Back'), 'admin/settings/od_share'),
  );
  ksort($form['od_share']);
  return $form;
}
/**
 * Edit fields.
 */
function od_share_edit_fields($weight, $plugin) {
  $form['name'] = array(
    '#type' => 'markup',
    '#value' => $plugin['name'],
  );
  $form['plugin'] = array(
    '#type' => 'hidden',
    '#value' => $plugin['plugin'],
  );
  $form['options'] = array(
    '#type' => 'select',
    '#options' => $plugin['options callback'](),
    '#default_value' => $plugin['option_value'],
  );
  $form['enabled'] = array(
    '#type' => 'checkbox',
    '#default_value' => $plugin['enabled'] ? $plugin['enabled'] : 0,
  );
  $form['weight'] = array(
  	'#type' => 'weight',
  	'#default_value' => $weight,
  );
  return $form;
}

/**
 * Edit submit.
 */
function od_share_edit_submit($form, $form_state) {
  $values = $form_state['values'];
  variable_set('od_share_type_'. $values['type'], $values['od_share']);
  variable_set('od_share_type_'. $values['type'] .'_position', $values['position']);
  variable_set('od_share_type_'. $values['type'] .'_weight', $values['weight']);
  drupal_set_message('The configuration options have been saved.');
}


/**
 * Facebook Application Settings.
 */

function od_share_facebook_app_settings() {
  $form['od_share_facebook_app_id'] = array(
    '#type' => 'textfield',
    '#default_value' => variable_get('od_share_facebook_app_id', 'undefined'),
    '#description' => t('Facebook Application ID. ') .
                        l(
                           t('Get it here.'),
                           'http://developers.facebook.com/docs/reference/plugins/like/',
                           array('attributes' =>
                             array('target' => '_blank')
                           )
                         ),
    '#title' => t('App Id'),
  );
  $form['od_share_facebook_like_fbml_width'] = array(
    '#type' => 'textfield',
    '#default_value' => variable_get('od_share_facebook_like_fbml_width', '450'),
    '#description' => t('Width in px.'),
    '#title' => t('Box Width'),
  );
  /*
  $form['od_share_facebook_use_send_button'] = array(
    '#type' => 'checkbox',
    '#default_value' => variable_get('od_share_facebook_use_send_button', FALSE),
    '#description' => t('Tick for show like and send button.'),
    '#title' => t('Use Send Button'),
  );
  $form['od_share_facebook_use_xfbml'] = array(
    '#type' => 'checkbox',
    '#default_value' => variable_get('od_share_facebook_use_xfbml', TRUE),
    '#description' => t('Description'),
    '#title' => t('Use FBML'),
  );
  */
  return system_settings_form($form);
}