function _book_add_form_elements

Builds the common elements of the book form for the node and outline forms.

Parameters

$node: The node whose form is being viewed.

File

modules/book/book.module, line 519

Code

function _book_add_form_elements(&$form, &$form_state, $node) {
    // If the form is being processed during the Ajax callback of our book bid
    // dropdown, then $form_state will hold the value that was selected.
    if (isset($form_state['values']['book'])) {
        $node->book = $form_state['values']['book'];
    }
    $form['book'] = array(
        '#type' => 'fieldset',
        '#title' => t('Book outline'),
        '#weight' => 10,
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
        '#group' => 'additional_settings',
        '#attributes' => array(
            'class' => array(
                'book-outline-form',
            ),
        ),
        '#attached' => array(
            'js' => array(
                drupal_get_path('module', 'book') . '/book.js',
            ),
        ),
        '#tree' => TRUE,
    );
    foreach (array(
        'menu_name',
        'mlid',
        'nid',
        'router_path',
        'has_children',
        'options',
        'module',
        'original_bid',
        'parent_depth_limit',
    ) as $key) {
        $form['book'][$key] = array(
            '#type' => 'value',
            '#value' => $node->book[$key],
        );
    }
    $form['book']['plid'] = _book_parent_select($node->book);
    // @see _book_admin_table_tree(). The weight may be larger than 15.
    $form['book']['weight'] = array(
        '#type' => 'weight',
        '#title' => t('Weight'),
        '#default_value' => $node->book['weight'],
        '#delta' => max(15, abs($node->book['weight'])),
        '#weight' => 5,
        '#description' => t('Pages at a given level are ordered first by weight and then by title.'),
    );
    $options = array();
    $nid = isset($node->nid) ? $node->nid : 'new';
    if (isset($node->nid) && $nid == $node->book['original_bid'] && $node->book['parent_depth_limit'] == 0) {
        // This is the top level node in a maximum depth book and thus cannot be moved.
        $options[$node->nid] = $node->title;
    }
    else {
        foreach (book_get_books() as $book) {
            $options[$book['nid']] = $book['title'];
        }
    }
    if (user_access('create new books') && ($nid == 'new' || $nid != $node->book['original_bid'])) {
        // The node can become a new book, if it is not one already.
        $options = array(
            $nid => '<' . t('create a new book') . '>',
        ) + $options;
    }
    if (!$node->book['mlid']) {
        // The node is not currently in the hierarchy.
        $options = array(
            0 => '<' . t('none') . '>',
        ) + $options;
    }
    // Add a drop-down to select the destination book.
    $form['book']['bid'] = array(
        '#type' => 'select',
        '#title' => t('Book'),
        '#default_value' => $node->book['bid'],
        '#options' => $options,
        '#access' => (bool) $options,
        '#description' => t('Your page will be a part of the selected book.'),
        '#weight' => -5,
        '#attributes' => array(
            'class' => array(
                'book-title-select',
            ),
        ),
        '#ajax' => array(
            'callback' => 'book_form_update',
            'wrapper' => 'edit-book-plid-wrapper',
            'effect' => 'fade',
            'speed' => 'fast',
        ),
    );
}