eads@2: <?php
eads@2: 
eads@4: /**
eads@4:  * Implementation of hook_menu().
eads@4:  */
eads@2: function dnd_test_menu() {
eads@2:   $items = array();
eads@2:   $items['dnd-test/library'] = array(
eads@2:     'title' => 'Drag and drop test library',
eads@28:     'page callback' => 'dnd_test_dnd_library',
eads@2:     'access arguments' => array('access dnd test library'),
eads@2:   );
eads@2:   return $items;
eads@2: }
eads@2: 
eads@4: /**
eads@4:  * Implementation of hook_perm().
eads@4:  */
eads@2: function dnd_test_perm() {
eads@2:   return array('access dnd test library');
eads@2: }
eads@2: 
eads@4: /**
eads@4:  * Implementation of hook_form_alter().
eads@4:  *
eads@4:  * This demonstrates how to attach Drag and Drop to a given textarea.
eads@4:  */
eads@2: function dnd_test_form_alter(&$form, &$form_state) {
eads@2:   if ($form['#id'] == 'node-form' && $form['type']['#value'] == 'page') {
eads@2:     $form['body_field']['body']['#dnd-enabled'] = TRUE;
eads@2:     $form['body_field']['body']['#dnd-settings'] = array(
eads@2:       'drop_selector' => '#edit-body-dnd-library .drop',
eads@28:       'url' => 'dnd-test/library/?json',
eads@2:     );
eads@2:     $form['body_field']['body']['#rows'] = 28;
eads@2:   }
eads@2: }
eads@2: 
eads@4: /**
eads@4:  * Implementation of hook_theme().
eads@4:  */
eads@4: function dnd_test_theme() {
eads@4:   return array(
eads@4:     'dnd_editor_item'  => array(
eads@4:       'arguments' => array('i' => NULL, 'size' => NULL),
eads@4:       'template'  => 'dnd-editor-item',
eads@4:     ),
eads@4:     'dnd_library_item' => array(
eads@4:       'arguments' => array('i' => NULL), 
eads@4:       'template'  => 'dnd-library-item',
eads@4:     ),
eads@17:     'dnd_library_preview' => array(
eads@17:       'arguments' => array('i' => NULL),
eads@17:       'template'  => 'dnd-library-preview',
eads@17:     ),
eads@4:   );
eads@4: }
eads@4: 
eads@4: /**
eads@28:  * Overloaded page callback.
eads@4:  */
eads@28: function dnd_test_dnd_library($element = NULL) {
eads@28:   $page = (array_key_exists('page', $_GET)) ? $_GET['page'] : 1;
eads@28:   drupal_add_css(drupal_get_path('module', 'dnd_test') .'/dnd_test.css');
eads@28:   drupal_json(dnd_test_generate_library($page));
eads@4: }
eads@2: 
eads@4: /**
eads@4:  * Create contrived output
eads@4:  */
eads@24: function dnd_test_generate_library($page = 1, $limit = 8) {
eads@4:   $start = ($page * $limit) - ($limit); 
eads@4:   $end   = $page * $limit;
eads@4: 
eads@28:   $library = theme('dnd_library_header', $page);
eads@4:   $editor_representations = array();
eads@17:   $library_previews = array();
eads@4:   for ($i=$start + 1; $i < $end + 1; $i++) {
eads@4:     $library .= theme('dnd_library_item', $i);
eads@4:     $editor_representations += dnd_editor_items($i);
eads@17:     $library_previews['dnd-test-'. $i] = theme('dnd_library_preview', $i);
eads@4:   }
eads@4:   return array(
eads@4:     'library' => $library,
eads@4:     'editor_representations' => $editor_representations,
eads@17:     'library_previews' => $library_previews,
eads@2:   );
eads@4: }
eads@4: 
eads@4: /**
eads@4:  * Theme wrapper that spins out multiple library representations for a given
eads@14:  * editor representation.  This is because we want to demonstrate how to allow
eads@4:  * for multiple versions (i.e. different sizes) of a single item
eads@4:  */
eads@4: function dnd_editor_items($i) {
eads@4:   $item = array();
eads@4:   foreach(array(t('S'), t('M'), t('L')) as $size) {
eads@24:     $item[$i .'-'. $size] = array(
eads@24:       'body' => theme('dnd_editor_item', $i, $size),
eads@24:       'title' => 'Item '. $i .'-S',
eads@24:     );
eads@2:   }
eads@4:   return $item;
eads@2: }
eads@4: 
eads@4: /**
eads@17:  * Completely contrived library preview theme function
eads@17:  */
eads@17: function template_preprocess_dnd_library_preview(&$variables) {
eads@17:   template_preprocess_dnd_library_item($variables);
eads@17: 
eads@17:   $variables['id'] = 'dnd-preview-'. $variables['i'];
eads@21:   $variables['image'] = '<img src="http://'. $_SERVER['HTTP_HOST'] . base_path() . drupal_get_path('module', 'dnd_test') .'/img/item-'. $variables['img_num'] .'-S.jpg" class="drop" width="125" height="94" />';
eads@17: 
eads@21:   $variables['description'] = 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.';
eads@17: }
eads@17: 
eads@17: 
eads@17: /**
eads@4:  * Completely contrived edit item theme function
eads@4:  */
eads@4: function template_preprocess_dnd_library_item(&$variables) {
eads@12:   global $_SERVER;
eads@12: 
eads@4:   $i = $variables['i'];
eads@9: 
eads@9:   if ($i % 3 == 0) {
eads@9:     $img = 3;
eads@9:   }
eads@9:   else if ($i % 2 == 0) {
eads@9:     $img = 2;
eads@9:   }
eads@9:   else {
eads@9:     $img = 1;
eads@9:   }
eads@9: 
eads@17:   $variables['img_num'] = $img;
eads@17:   $variables['id'] = 'dnd-test-'. $i;
eads@14:   $variables['image'] = '<img src="http://'. $_SERVER['HTTP_HOST'] . base_path() . drupal_get_path('module', 'dnd_test') .'/img/item-'. $img .'-thumb.jpg?dnd_id='. $i .'-M" class="drop" />';
eads@4:   $variables['title'] = t('Lorem Ipsum @count', array('@count' => $i));
eads@4:   $variables['date'] = 'Feb 18 2009';
eads@4:   $variables['author'] = 'David Eads';
eads@4:   foreach(array(t('S'), t('M'), t('L')) as $size) {
eads@14:     $sizes[] = '<img src="http://'. $_SERVER['HTTP_HOST'] . base_path() . drupal_get_path('module', 'dnd_test') .'/img/icon/'. $size .'.png?dnd_id='. $i .'-'. $size .'" class="drop" />';
eads@4:   }
eads@4:   $variables['sizes'] = '<ul><li>'. implode('</li><li>', $sizes) .'</li></ul>';
eads@4: }
eads@4: 
eads@4: function template_preprocess_dnd_editor_item(&$variables) {
eads@4:   list($i, $size) = array($variables['i'], $variables['size']);
eads@9: 
eads@9:   if ($i % 3 == 0) {
eads@9:     $img = 3;
eads@9:   }
eads@9:   else if ($i % 2 == 0) {
eads@9:     $img = 2;
eads@9:   }
eads@9:   else {
eads@9:     $img = 1;
eads@9:   }
eads@23:   $variables['image'] = theme('image', drupal_get_path('module', 'dnd_test') .'/img/item-'. $img .'-'. $size .'.jpg', '', '', array('class' => 'dnd-dropped', 'id' => 'dnd-id-'. $i));
eads@4: }
eads@20: 
eads@20: function template_preprocess_dnd_library_header(&$variables) {}