contenttools.module

<?php
/**
 * @file
 * Provides enhanced node navigation to replace the primary tabs.
 *
 * Also provides a floating palette for working with content.
 * The palette provides some of the administrative form features
 * normally hidden in the vertical tabs when creating/editing a
 * node in a floating palette. For example, adding tags,
 * setting published status, etc.
 *
 * @author: Adam Kempler <akempler@gmail.com>
 */


/**
 * Implements hook_init().
 *
 * @todo provide error if fontawesome not found.
 */
function contenttools_init() {

  $cdn = variable_get('contentpalette_fontawesome_cdn', 1);
  if ($cdn) {
    drupal_add_css('http://maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css', array(
      'type' => 'external',
      'group' => CSS_DEFAULT,
      'every_page' => TRUE,
    ));
  }
  else {
    // Check locally for fontawesome.
    drupal_add_css('//maxcdn.bootstrapcdn.com/font-awesome/4.1.0/css/font-awesome.min.css', array(
      'group' => CSS_DEFAULT,
      'every_page' => TRUE,
    ));
    // Error if not found.
  }
}


/**
 * Implements hook_menu().
 */
function contenttools_menu() {
  $items = array();
  $items['admin/config/user-interface/contenttools'] = array(
    'title' => 'ContentTools settings',
    'description' => 'Congigure the ContentTools module',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'contenttools_settings_form',
    ),
    'access arguments' => array('administer contenttools'),
    'access callback' => TRUE,
    'file' => 'contenttools.admin.inc',
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}

/**
 * Implements hook_permission().
 */
function contenttools_permission() {
  return array(
    'administer contenttools' => array(
      'title' => t('Administer the ContentTools module'),
    ),
    'view contenttools nodeinfo' => array(
      'title' => t('View node info'),
      'description' => t('View the node info icon and the corresponding tooltip containing info about the node.'),
    ),
  );
}


/**
 * Implements hook_block_info().
 */
function contenttools_block_info() {
  $blocks['contenttools_create'] = array(
    'info' => t('Create content'),
    'cache' => DRUPAL_CACHE_GLOBAL,
  );
  return $blocks;
}

/**
 * Implements hook_block_view().
 */
function contenttools_block_view($delta) {
  $block = array();
  switch ($delta) {

    case 'contenttools_create':
      $block['subject'] = t('Create Content');
      $block['content'] = contentcreate_block();
      break;
  }
  return $block;
}


/**
 * Implements hook_preprocess_page().
 *
 * Adds the content palette to the specified region.
 * Removes other blocks from that region.
 */
function contenttools_preprocess_page(&$vars) {

  // Remove all the sidebar blocks if we are on a node add or edit page.
  $arg0 = arg(0);
  $arg1 = arg(1);
  $arg2 = arg(2);
  // Whether or not the palette is being displayed.
  $active = FALSE;

  if ($arg0 == 'node' && ($arg1 == 'add' || $arg2 == 'edit') && isset($arg2)) {

    $display_palette = variable_get('contentpalette_display', TRUE);
    if ($display_palette) {

      // Prevent displaying the content palette to users without proper permissions.
      $action = ($arg1 == 'add') ? 'create' : 'edit';
      $access = FALSE;
      if ($action == 'edit') {
        if (node_access("update", $vars['node']) === TRUE) {
          $access = TRUE;
        }
      } else if (node_access("create", $arg2) === TRUE) {
        $access = TRUE;
      }

      if ($access) {
        $display_palette = variable_get('contentpalette_display', TRUE);
        // Whether or not the palette is being displayed.
        $active = TRUE;

        // Add the content palette.
        $content = array(
          '#markup' => theme('content_palette'),
          '#weight' => 40,
        );

        array_unshift($vars['page']['content'], $content);

      }
    }
  }
  else {
    // Display the node management icons.
    drupal_add_library('system', 'ui', true);
    drupal_add_library('system', 'ui.tooltip', true);

    $args = array();
    if (isset($vars['node'])) {
      $args['node'] = $vars['node'];
    }

    $content = array(
      '#markup' => theme('contentnav', $args),
      '#weight' => 40,
    );
    // Add the icons for managing the node to the top of the page content.
    array_unshift($vars['page']['content'], $content);
  }

  drupal_add_js(array(
    'contenttools' => array(
      'contenttoolsactive' => $active,
      'modulepath' => drupal_get_path('module', 'contenttools'),
    ),
  ), array(
    'type' => 'setting',
  ));

  // Override the default theme used for the tabs
  // so we can insert our own html into it.
  // TODO this wouldn't be necessary if I can figure out
  // how to modify the "#prefix" being added to the local tasks.
  $vars['tabs']['#theme'] = 'content_primary_tabs';
}

/**
 * Implements hook_theme().
 */
function contenttools_theme() {
  $path = drupal_get_path('module', 'contenttools');

  return array(
    'content_primary_tabs' => array(
      // 'render element' => 'form',
      'template' => 'primary_tabs',
      // 'file' => 'primary_tabs',
      'path' => $path . '/theme',
      'variables' => array(
        'variables' => NULL,
      ),
    ),
    'contentnav' => array(
      'template' => 'contentnav',
      'file' => 'theme.inc',
      'path' => $path . '/theme',
      'variables' => array(
        'node' => NULL,
      ),
    ),
    'contentcreate_icon' => array(
      'template' => 'contentcreate',
      'file' => 'theme.inc',
      'path' => $path . '/theme',
      'variables' => array(
        'node' => NULL,
      ),
    ),
    'content_palette' => array(
      'template' => 'content_palette',
      'path' => $path . '/theme',
      'variables' => array(),
      'file' => 'theme.inc',
    ),
  );
}


/**
 * Display an + icon for creating content.
 *
 * @return string
 *   The html to be displayed.
 */
function contentcreate_block() {
  $out = '';

  $node = menu_get_object();
  $out .= theme('contentcreate_icon', array('node' => $node));

  return $out;
}


/**
 * Provide an administrative form for controlling content.
 *
 * Duplicates some of the form fields used for nodes,
 * and provides them in a more accessible format.
 *
 * @return string
 *   html form.
 */
function content_palette_form() {
  $arg0 = arg(0);
  $arg1 = arg(2);
  if ($arg0 == 'node' && $arg1 == 'edit') {
    // if($arg0 =='node' && ($arg1 == 'add' || $arg1 == 'edit')) {
    $nid = arg(1);
    $node = node_load($nid);
  }
  else {
    $type = arg(2);
    $node = new stdClass();
    $node->type = $type;
    node_object_prepare($node);
  }

  $form = array();

  $form['published'] = array(
    '#type' => 'checkbox',
    '#title' => t('Publish'),
    '#default_value' => $node->status,
    '#tree' => FALSE,
  );

  $form['promoted'] = array(
    '#type' => 'checkbox',
    '#title' => t('Promoted to front page'),
    '#default_value' => $node->promote,
    '#tree' => FALSE,
  );

  $fields = field_info_instances('node', $node->type);
  if (isset($fields['field_tags'])) {
    $tags = array();
    if (isset($node->field_tags['und'])) {
      foreach ($node->field_tags['und'] as $item) {
        $tags[$item['tid']] = isset($item['taxonomy_term']) ? $item['taxonomy_term'] : taxonomy_term_load($item['tid']);
      }
    }

    $form['tags'] = array(
      '#type' => 'textfield',
      '#default_value' => taxonomy_implode_tags($tags),
      '#title' => 'Add Tags',
      '#autocomplete_path' => 'taxonomy/autocomplete/field_tags',
      '#maxlength' => 1024,
      '#element_validate' => array(
        'taxonomy_autocomplete_validate',
      ),
      '#description' => 'Enter a comma-separated list<br />of words to describe your content.',
      '#size' => 25,
    );
  }

  $form['save2'] = array(
    '#type' => 'submit',
    '#value' => t('Save'),
    '#weight' => 15,
    '#attributes' => array(
    // 'onclick' => 'contentnav_publish_submit',
    ),
  );
  // '#executes_submit_callback' => FALSE!
  // Stops it from submitting, but nothing works.
  $form['#attributes'] = array(
    'onsubmit' => 'return false',
  );

  return $form;
}


/**
 * Implements hook_contextual_links_view_alter().
 *
 * Hiding the contextual tools from the Contenttools Create block
 * because it overlaps the icon and makes the ui awkward.
 */
function contenttools_contextual_links_view_alter(&$element, &$items) {
  if (isset($element['#element']['#block']) && $element['#element']['#block']->delta == 'contenttools_create') {
    unset($element['#links']);
  }
}