multigraph.module

<?php

require_once DRUPAL_ROOT.'/'.drupal_get_path('module','multigraph')."/multigraph_functions.inc";

/**
 * Implements hook_node_info() to provide our multigraph type.
 */
function multigraph_node_info() {
  return array(
    'multigraph' => array(
      'name'        => t('Multigraph'),
      'base'        => 'multigraph',
      'description' => t('Use <i>multigraphs</i> to create interactive graph content with Multigraph.'),
      'has_title'   => TRUE,
      'title_label' => t('Title'),
      'help'        => t('Enter a title, description, width, height, and the MUGL (xml) for a Multigraph.'),
    ),
  );
}

function multigraph_menu() {
  $items['multigraph/mugl/%'] = array(
    'title'           => 'MUGL SERVICE URI',
    'type'            => MENU_CALLBACK,
    'page callback'   => '_multigraph_muglservice_controller',
    'page arguments'  => array(2),
    'access callback' => TRUE,
  );
  return $items;
}


function _multigraph_muglservice_controller($nid) {
  $node = node_load($nid);
  if (!$node || $node->type != 'multigraph') {
    $mugl = 'What?';
  } else {
    $mugl = $node->field_multigraph_mugl['und']['0']['value'];
  }

  header('Content-type: text/xml');
  print $mugl;
  exit();
}

/*
function _multigraph_string_ends_with($string, $suffix) {
  $suffix_len = strlen($suffix);
  $string_len = strlen($string);
  for ($i=1; $i<=$suffix_len; ++$i) {
    if ($string[$string_len-$i] != $suffix[$suffix_len-$i]) {
      return false;
    }
  }
  return true;
}
*/

/**
 * Implement hook_form() with the standard default form.
 */
function multigraph_form($node, $form_state) {
  $form = node_content_form($node, $form_state);
  return $form;
}


function multigraph_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'multigraph_node_form') {
    if ((count($form['field_multigraph_swf']['und']['#default_value']) <= 0)
	||
	(!in_array($form['field_multigraph_swf']['und']['#default_value']['0'],
		   $form['field_multigraph_swf']['und']['#options']))) {
      $swf_paths = _multigraph_available_swf_paths('multigraph');
      if (count($swf_paths) <= 0) {
	drupal_set_message("This site's multigraph package has not yet been set up with a copy of the Multigraph SWF file.  See the README.txt file in the multigraph package directory for instructions.", 'warning');
      } else {
	$form['field_multigraph_swf']['und']['#default_value'] = $swf_paths[count($swf_paths)-1];
      }
    }
  }
}



/**
 * Implementation of hook_menu_alter().
 */
function multigraph_menu_alter(&$callbacks) {
  // If the user does not have 'administer nodes' permission,
  // disable the multigraph menu item by setting its access callback to FALSE.
  /*
    ?????????
    sometimes the following user_access() returns false, even for the admin user, even
    when the admin user DOES still have 'administer nodes' perm.  WHY WHY WHY???
    ?????????
  if (!user_access('administer nodes')) {
    $callbacks['node/add/multigraph']['access callback'] = FALSE;
    // Must unset access arguments or Drupal will use user_access()
    // as a default access callback.
    unset($callbacks['node/add/multigraph']['access arguments']);
  }
  */
}

/**
 * Implementation of hook_permission().
 */
function multigraph_permission() { 
  return array(
  'create multigraph' => array(
    'title' => t('Create a multigraph'),
    'description' => t('Create a multigraph'),
  ),
  'edit own multigraph' => array(
    'title' => t('Edit own multigraph'),
    'description' => t('Edit your own multigraph'),
  ),
  'edit any multigraph' => array(
    'title' => t('Edit any multigraph'),
    'description' => t('Edit any multigraph'),
  ),
  'delete own multigraph' => array(
    'title' => t('Delete own multigraph'),
    'description' => t('Delete own multigraph'),
  ),
  'delete any multigraph' => array(
    'title' => t('Delete any multigraph'),
    'description' => t('Delete any multigraph'),
  ),
 );
}


/**
 * Implementation of hook_validate().
 */
/*
function multigraph_validate($node) {
  // Enforce a minimum character count of 2 on company names.
//  if (isset($node->multigraph_company) && strlen($node->multigraph_company['und'][0]['value']) < 2) {
//    form_set_error('multigraph_company', t('The company name line of your multigraph is too short. You need at least 2 characters.'), $limit_validation_errors = NULL);
//  }
}
*/


/**
 * Implementation of hook_insert().
 */
/*
function multigraph_insert($node) {
// log details of the multigraphing to watchdog  
//  watchdog('multigraph', 'A new multigraph titled: '.$node->title.' for company: '.$node->multigraph_company['und'][0]['value'].' was added by UID: '.$node->uid, $variables = array(), WATCHDOG_NOTICE, $link = 'node/'.$node->nid);  
}
*/

/**
 * Implementation of hook_update().
 */
/*
 function multigraph_update($node) { 
// log details of the multigraphing to watchdog  
//  watchdog('multigraph', 'A multigraph titled: '.$node->title.' for company: '.$node->multigraph_company['und'][0]['value'].' was updated by UID: '.$node->uid, $variables = array(), WATCHDOG_NOTICE, $link = 'node/'.$node->nid);
 }
*/
 
/**
 * Implementation of hook_delete().
 */
/*
 function multigraph_delete($node) { 
// log details of the multigraphing to watchdog  
//  watchdog('multigraph', 'A multigraph titled: '.$node->title.' for company: '.$node->multigraph_company['und'][0]['value'].' was deleted by UID: '.$node->uid, $variables = array(), WATCHDOG_NOTICE, $link = 'node/'.$node->nid);
 } 
*/
 
/**
 * Implementation of hook_load().
 */
/*
function multigraph_load($nodes) { 
// Add a new element to the node at load time for storing the multigraphing sponsor information
//  foreach ($nodes as $node) {
//     $node->sponsor = "ACME Career Services, Your Source for Drupal Jobs";
//  }  
//  return $node;
} 
*/
 
/**
 * Implement hook_view().
 */
function multigraph_view($node, $view_mode) { 
  if ($view_mode == 'full') {
    $width  = $node->field_multigraph_width['und']['0']['value'];
    $height = $node->field_multigraph_height['und']['0']['value'];
    $swf    = $node->field_multigraph_swf['und']['0']['value'];
    $node->content['graph'] = array(
      '#markup' => theme('graph',
         array('nid'    => $node->nid,
               'mugl'   => $node->field_multigraph_mugl['und']['0']['value'],
               'width'  => $node->field_multigraph_width['und']['0']['value'],
               'height' => $node->field_multigraph_height['und']['0']['value'],
               'swf'    => $node->field_multigraph_swf['und']['0']['value'],
               'flashcode' => _multigraph_object_embed_string($width,$height,
                                                              base_path()
                                                              . "multigraph/mugl/" . $node->nid,
                                                              base_path()
                                                              . drupal_get_path('module', 'multigraph')
                                                              . "/multigraph/"
                                                              . $swf))
                         ),
      '#weight' => 0,
    );
    unset($node->field_multigraph_mugl);
  }
  return $node; 
}

 
/**
 * Implementation of hook_theme().
 */
function multigraph_theme() {
  return array(
    'graph' => array('variables' => array('nid'    => NULL,
					  'mugl'   => NULL,
					  'width'  => NULL,
					  'height' => NULL,
					  'swf'    => NULL,
					  'flashcode'    => NULL),
		     'template'  => 'graph',
    ),
  );
}