vkxp.forms.inc in VK CrossPoster 7.2

vkxp.forms.inc Contains node form alters.

File

vkxp.forms.inc

<?php

/**
 * @file vkxp.forms.inc
 * Contains node form alters.
 */

/**
 * Add vkxp settings to node settings form.
 *
 * @param $form
 *   Node settings form.
 */
function _vkxp_process_node_settings_form(&$form) {

  // Do not process node form if it do not contain node type.
  if (empty($form['#node_type']->type)) {
    return;
  }
  $node_type = $form['#node_type']->type;
  $form['vkxp'] = array(
    '#type' => 'fieldset',
    '#title' => t('VKontakte CrossPoster settings'),
    '#group' => 'additional_settings',
  );

  // Enable setting.
  $form['vkxp']['vkxp_node_enabled'] = array(
    '#type' => 'checkbox',
    '#title' => t('Enable VKontakte CrossPoster'),
    '#default_value' => variable_get('vkxp_node_enabled_' . $node_type),
    '#description' => t('Enable or disable crosspost for this node type.'),
  );

  // Enable default setting.
  $form['vkxp']['vkxp_node_enabled_default'] = array(
    '#type' => 'checkbox',
    '#title' => t('Checkbox "Post this node to VK" are checked by default'),
    '#default_value' => variable_get('vkxp_node_enabled_default_' . $node_type),
    '#description' => t('Check this if you want checkbox "Post this node to VK" in node forms was checked by default.'),
  );
  $form['vkxp']['vkxp_node_enabled_prevent_double_post'] = array(
    '#type' => 'checkbox',
    '#title' => t('Uncheck previous checkbox if current node has already posted to VK'),
    '#description' => t('Prevent double posting for nodes that already sent to VK.'),
    '#default_value' => variable_get('vkxp_node_enabled_prevent_double_post_' . $node_type),
    '#states' => array(
      'visible' => array(
        ':input[name="vkxp_node_enabled_default"]' => array(
          'checked' => TRUE,
        ),
      ),
    ),
  );

  // Get information about node fields.
  $fields_info = field_info_instances('node', $node_type);

  // Collect all text and image fields.
  $text_fields = array(
    'title' => t('Title'),
  );
  $image_fields = array(
    0 => t('- None -'),
  );
  $hashtag_fields = array(
    0 => t('- None -'),
  );
  $image_field_types = array(
    'image',
  );
  foreach ($fields_info as $field_name => $field_instance) {
    $field_initial_settings = field_info_field($field_name);
    if ($field_instance['widget']['module'] == 'text') {
      $text_fields[$field_name] = $field_instance['label'] . ' (' . $field_name . ')';
    }
    elseif (in_array($field_initial_settings['type'], $image_field_types)) {
      $image_fields[$field_name] = $field_instance['label'] . ' (' . $field_name . ')';
    }
    if ($field_initial_settings['type'] == 'taxonomy_term_reference') {
      $hashtag_fields[$field_name] = $field_instance['label'] . ' (' . $field_name . ')';
    }
  }

  // Message.
  $form['vkxp']['vkxp_body'] = array(
    '#type' => 'fieldset',
    '#title' => t('Message'),
  );

  // Message field.
  $form['vkxp']['vkxp_body']['vkxp_node_message_field'] = array(
    '#type' => 'textarea',
    '#title' => t('Message template'),
    '#description' => t('Message template, written by token.'),
    '#default_value' => variable_get('vkxp_node_message_field_' . $node_type, 'title'),
  );
  if (module_exists('token')) {
    $form['vkxp']['vkxp_body']['token_help'] = array(
      '#theme' => 'token_tree',
      '#token_types' => array(
        'node',
      ),
    );
  }
  else {
    $form['vkxp']['vkxp_body']['token_help'] = array(
      '#markup' => t('This module use token for configuration of message template. Please enable token module for better configuration.'),
    );
  }

  // Message length.
  $form['vkxp']['vkxp_body']['vkxp_node_message_length'] = array(
    '#type' => 'textfield',
    '#title' => t('Cut message'),
    '#field_prefix' => t('Cut message if it has more than'),
    '#field_suffix' => t('symbols'),
    '#size' => 4,
    '#default_value' => variable_get('vkxp_node_message_length_' . $node_type, 255),
    '#description' => t('Leave this field empty to not cut a message.'),
    '#attributes' => array(
      'style' => 'width:auto;',
    ),
  );

  // Image.
  $form['vkxp']['vkxp_image'] = array(
    '#type' => 'fieldset',
    '#title' => t('Image'),
  );

  // Image source.
  $form['vkxp']['vkxp_image']['vkxp_node_image_field'] = array(
    '#type' => 'select',
    '#title' => t('Image source'),
    '#description' => t('Select field from which to take the image to crosspost.'),
    '#options' => $image_fields,
    '#default_value' => variable_get('vkxp_node_image_field_' . $node_type, 0),
  );

  // We don't need this option if image fields is not presented.
  if (!empty($image_fields)) {
    $image_styles = image_styles();
    if (!empty($image_styles)) {
      $styles[] = t('Choose a style');
      foreach ($image_styles as $style => $style_info) {
        $styles[$style] = $style_info['label'];
      }

      // Adds an image style selector.
      $form['vkxp']['vkxp_image']['vkxp_node_image_field_style'] = array(
        '#type' => 'select',
        '#title' => t('Image style'),
        '#description' => t('Select image style to apply it to image which will be send into VK.'),
        '#options' => $styles,
        '#default_value' => variable_get('vkxp_node_image_field_style_' . $node_type, 0),
        '#states' => array(
          'invisible' => array(
            'select[name="vkxp_node_image_field"]' => array(
              'value' => 0,
            ),
          ),
        ),
      );
    }
  }

  // Image limit.
  $form['vkxp']['vkxp_image']['vkxp_node_image_limit'] = array(
    '#type' => 'select',
    '#title' => t('Images limit'),
    '#description' => t('Select maximum amount of images to crosspost.'),
    '#options' => drupal_map_assoc(range(0, 10)),
    '#default_value' => variable_get('vkxp_node_image_limit_' . $node_type, 0),
  );

  //Hashtag.
  $form['vkxp']['vkxp_hashtags'] = array(
    '#type' => 'fieldset',
    '#title' => t('Hashtags'),
  );
  $form['vkxp']['vkxp_hashtags']['vkxp_node_hashtag_field'] = array(
    '#type' => 'select',
    '#title' => t('Tags field'),
    '#description' => t('Select field from which to take hashtags to crosspost.'),
    '#options' => $hashtag_fields,
    '#default_value' => variable_get('vkxp_node_hashtag_field_' . $node_type, 0),
  );
}

/**
 * Add vkxp fieldset to node add/edit form.
 *
 * @param $form
 *   Node add/edit form.
 */
function _vkxp_process_node_form(&$form) {
  $form['vkxp'] = array(
    '#type' => 'fieldset',
    '#title' => t('VKontakte CrossPoster'),
    '#group' => 'additional_settings',
    '#weight' => -10,
  );
  $vkxp_node_enabled_default_checkbox = variable_get('vkxp_node_enabled_default_' . $form['#node']->type);
  $vkxp_node_prevent_doublepost = variable_get('vkxp_node_enabled_prevent_double_post_' . $form['#node']->type);

  // If default checkbox for node is enabled but prevent variable is false and this post
  // has already pushed to VK, making checkbox unchecked.
  if ($vkxp_node_enabled_default_checkbox) {
    if ($vkxp_node_prevent_doublepost) {
      $post_this_node = empty($form['#node']->vkxp_sent);
    }
    else {
      $post_this_node = TRUE;
    }
  }
  else {
    $post_this_node = FALSE;
  }
  $form['vkxp']['vkxp_post_this_node'] = array(
    '#type' => 'checkbox',
    '#title' => t('Post this node to VK'),
    '#default_value' => $post_this_node,
    '#description' => t('After you submit this node it will be posted to VK.'),
  );

  // Disable crosspost if cURL library is not installed on a server.
  if (!function_exists('curl_init')) {
    $form['vkxp']['vkxp_post_this_node']['#disabled'] = TRUE;
    $form['vkxp']['vkxp_post_this_node']['#value'] = 0;
    $form['vkxp']['vkxp_post_this_node']['#description'] = t("You can't crosspost nodes until cURL library is not installed on your server.");
  }

  // Disable crosspost if no access token recieved.
  if (!variable_get('vkxp_access_token')) {
    $form['vkxp']['vkxp_post_this_node']['#disabled'] = TRUE;
    $form['vkxp']['vkxp_post_this_node']['#value'] = 0;
    $form['vkxp']['vkxp_post_this_node']['#description'] = t("You can't crosspost nodes until access token not recieved from VK.");
  }
}

/**
 * Render callback for tab_post form.
 */
function vkxp_post_tab_form(array $form, array $form_state) {
  if (arg(0) == 'node' && is_numeric(arg(1))) {
    $nid = arg(1);
  }
  else {
    $nid = 0;
  }
  $form['nid'] = array(
    '#type' => 'hidden',
    '#value' => $nid,
  );
  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => t('Post node to Vkontakte'),
  );
  return $form;
}

/**
 * Submit callback for post_tab form.
 */
function vkxp_post_tab_form_submit(array $form, array &$form_state) {
  $nid = $form_state['values']['nid'];
  if (is_numeric($nid)) {
    $node = node_load($nid);
    if (!empty($node)) {
      _vkxp_process_node($node, TRUE);
    }
  }
}

Functions

Name	Description
vkxp_post_tab_form	Render callback for tab_post form.
vkxp_post_tab_form_submit	Submit callback for post_tab form.
_vkxp_process_node_form	Add vkxp fieldset to node add/edit form.
_vkxp_process_node_settings_form	Add vkxp settings to node settings form.