menu_block_split.module in Menu Block Split 5

Allow to have an splitted menu within two blocks

File

menu_block_split.module

<?php

/**
 * @file
 * Allow to have an splitted menu within two blocks
 */

/**
 * Implementation of hook_perm
 */
function menu_block_split_perm() {
  return array(
    'administer menu block split',
  );
}

/**
 * Implementation of hook_menu
 */
function menu_block_split_menu($may_cache) {
  global $user;
  $items = array();
  if ($may_cache) {
    $items[] = array(
      'path' => 'admin/settings/mbs',
      'title' => t('Menu block split'),
      'callback' => 'drupal_get_form',
      'callback arguments' => array(
        'menu_block_split_settings',
      ),
      'access' => user_access('administer menu block split'),
      'description' => t('Settings for Menu Block Split'),
    );
  }
  return $items;
}

/**
 * Settings form
 */
function menu_block_split_settings() {
  $form['mbs_howmany'] = array(
    '#type' => 'select',
    '#title' => t('How many blocks with first level menu do you need?'),
    '#default_value' => variable_get('mbs_howmany', 1),
    '#options' => range(0, 10),
    '#description' => t('Set how many first menu level blocks do you need and click on the Save Configuration button to have the form available.'),
  );
  unset($options);
  $blocks = _block_rehash();
  foreach ($blocks as $block) {
    if ($block['module'] == 'menu') {
      $options[$block['delta']] = $block['info'];
    }
  }
  for ($i = 1; $i <= variable_get('mbs_howmany', 1); $i++) {
    $form['mbs_fieldset_' . $i] = array(
      '#type' => 'fieldset',
      '#title' => t('Menu Block Split !i', array(
        '!i' => $i,
      )),
      '#collapsible' => TRUE,
      '#collapsed' => FALSE,
    );
    $form['mbs_fieldset_' . $i]['mbs_' . $i] = array(
      '#type' => 'select',
      '#title' => t('Block' . $i),
      '#options' => $options,
      '#default_value' => variable_get('mbs_' . $i, ''),
      '#description' => t('Choose a block as first level menu to split.'),
      '#attributes' => array(
        'onchange' => "auto=getElementById('edit-mbsinfo-" . $i . "');mbsinfo=getElementById('edit-mbs-" . $i . "').value;auto.value=mbsinfo",
      ),
    );
    $form['mbs_fieldset_' . $i]['mbstitle_' . $i] = array(
      '#type' => 'textfield',
      '#title' => t('Title' . $i),
      '#default_value' => variable_get('mbstitle_' . $i, ''),
      '#required' => FALSE,
      '#description' => t('Set the title of you resulting block.'),
    );
  }
  return system_settings_form($form);
}
function menu_block_split_block($op = 'list', $delta = 0, $edit = array()) {
  if ($op == 'list') {
    for ($i = 1; $i <= variable_get('mbs_howmany', 1); $i++) {
      $mid = variable_get('mbs_' . $i, '');
      $item = menu_get_item($mid);
      $blocks[$i]['info'] = 'mbs-' . $item['title'] . '-1st';
    }
    $blocks[1000]['info'] = 'mbs-2nd';
    return $blocks;
  }
  else {
    if ($op == 'configure' && $delta == 0) {
    }
    else {
      if ($op == 'save' && $delta == 0) {
      }
      else {
        if ($op == 'view') {
          switch ($delta) {
            case $delta < 1000:
              $block['subject'] = variable_get('mbstitle_' . $delta, '');
              $block['content'] = theme(menu_block_split_first_level_menu, variable_get('mbs_' . $delta, ''));
              break;
            case 1000:
              $mid = menu_get_active_nontask_item();
              for ($i = 1; $i <= variable_get('mbs_howmany', 1); $i++) {
                $pid = variable_get('mbs_' . $i, '');
                if (menu_block_split_is_child($pid, $mid)) {
                  if (menu_block_split_is_first_level($mid)) {
                    $item = menu_get_item($mid);
                    $block['subject'] = $item['title'];
                    $block['content'] = theme('menu_tree', $mid);
                  }
                  else {
                    $menu = menu_get_menu();
                    $menu = $menu['visible'];
                    foreach ($menu as $key => $value) {
                      if (menu_in_active_trail($key) && menu_block_split_is_first_level($key)) {
                        $block['subject'] = menu_block_split_block_title($key, false);
                        $block['content'] = theme('menu_tree', $key);
                      }
                    }
                  }
                }
              }
          }
          return $block;
        }
      }
    }
  }
}
function menu_block_split_first_level_menu_tree($pid = 1) {
  $menu = menu_get_menu();
  $output = '';
  if (isset($menu['visible'][$pid]) && $menu['visible'][$pid]['children']) {
    foreach ($menu['visible'][$pid]['children'] as $mid) {
      $output .= theme('menu_item', $mid);
    }
  }
  return $output;
}
function theme_menu_block_split_first_level_menu($pid = 1) {
  if ($tree = menu_block_split_first_level_menu_tree($pid)) {
    return "\n<ul class=\"menu\">\n" . $tree . "\n</ul>\n";
  }
}
function menu_block_split_is_first_level($mid) {
  $item = menu_get_item($mid);
  $parent = menu_get_item($item['pid']);
  if ($parent['pid'] == 0) {
    return TRUE;
  }
  else {
    return FALSE;
  }
}
function menu_block_split_is_second_level($mid) {
  $item = menu_get_item($mid);
  return menu_block_split_is_first_level($item['pid']);
}
function menu_block_split_block_title($mid, $parent) {
  $item = menu_get_item($mid);
  $parent_item = menu_get_item($item['pid']);
  $title = $parent ? $parent_item['title'] : $item['title'];
  return $title;
}
function menu_block_split_is_child($parent, $child) {
  $item = menu_get_item($parent);
  if (is_array($item['children'])) {
    if (in_array($child, $item['children'])) {
      return TRUE;
    }
    else {
      foreach ($item['children'] as $c) {
        return menu_block_split_is_child($c, $child);
      }
    }
  }
  return FALSE;
}

Functions

Name	Description
menu_block_split_block
menu_block_split_block_title
menu_block_split_first_level_menu_tree
menu_block_split_is_child
menu_block_split_is_first_level
menu_block_split_is_second_level
menu_block_split_menu	Implementation of hook_menu
menu_block_split_perm	Implementation of hook_perm
menu_block_split_settings	Settings form
theme_menu_block_split_first_level_menu