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   1  <?php
   2  // $Id: image_gallery.admin.inc,v 1.2.2.1 2010/08/03 17:43:00 sun Exp $
   3  
   4  /**
   5   * @file
   6   * Contains menu callbacks for image_gallery admin pages.
   7   */
   8  
   9  /**
  10   * Menu callback for settings page.
  11   */
  12  function image_gallery_admin_settings() {
  13    _image_check_settings();
  14  
  15    // Show various messages if Views module is enabled.
  16    if (module_exists('views')) {
  17      // Test the status of the view:
  18      // It's enabled by default, so either:
  19      // - not set: view enabled
  20      // - FALSE:   view enabled
  21      // - TRUE:    view disabled
  22      // @see views_get_all_views().
  23      $status = variable_get('views_defaults', array());
  24      if (isset($status['image_gallery']) && $status['image_gallery']) {
  25        // The view is disabled: tell the user that more interesting things can be done.
  26        $form['info']['#value'] = t('Enabling the <a href="!views-link">image_gallery view</a> will give you many more ways to customize your galleries.', array('!views-link' => url('admin/build/views')));
  27      }
  28      else {
  29        // The view is enabled: explain why there are no settings here and leave.
  30        $form['info'] = array(
  31          '#type' => 'item',
  32          '#title' => t('Image galleries are being made with the Views module'),
  33        );
  34        if (module_exists('views_ui')) {
  35          $form['info']['#value'] = t('To change the way galleries are displayed, edit the image_gallery view on the <a href="!views-link">Views administration page</a>.', array('!views-link' => url('admin/build/views')));
  36        }
  37        else {
  38          $form['info']['#value'] = t('To change the way galleries are displayed, enable the <strong>Views UI</strong> module on the <a href="!modules-link">Modules administration page</a>, then override the default image_gallery view.', array('!modules-link' => url('admin/build/modules')));
  39        }
  40        return $form;
  41      }
  42    }
  43  
  44    $form['gallery'] = array(
  45      '#type' => 'fieldset',
  46      '#title' => t('Gallery settings'),
  47    );
  48    $form['gallery']['image_images_per_page'] = array(
  49      '#type' => 'textfield',
  50      '#title' => t('Images per page'),
  51      '#default_value' => variable_get('image_images_per_page', 6),
  52      '#size' => 3,
  53      '#description' => t('Sets the number of images to be displayed in a gallery page.'),
  54    );
  55    $form['gallery']['image_gallery_node_info'] = array(
  56      '#type' => 'checkbox',
  57      '#title' => t('Display node info'),
  58      '#default_value' => variable_get('image_gallery_node_info', 0),
  59      '#description' => t("Checking this will display the \"Posted by\" node information on the gallery pages."),
  60    );
  61    $form['gallery']['image_gallery_sort_order'] = array(
  62      '#type' => 'radios',
  63      '#title' => t('Image display sort order'),
  64      '#default_value' => variable_get('image_gallery_sort_order', IMAGE_GALLERY_SORT_CREATE_DESC),
  65      '#options' => array(
  66        IMAGE_GALLERY_SORT_CREATE_DESC => t('Create date, newest first'),
  67        IMAGE_GALLERY_SORT_CREATE_ASC  => t('Create date, oldest first'),
  68        IMAGE_GALLERY_SORT_FILENAME    => t('File name'),
  69        IMAGE_GALLERY_SORT_TITLE       => t('Image title'),
  70      ),
  71    );
  72  
  73    return system_settings_form($form);
  74  }
  75  
  76  /**
  77   * Menu callback for gallery admin.
  78   */
  79  function image_gallery_admin() {
  80    _image_check_settings();
  81  
  82    $tree = taxonomy_get_tree(_image_gallery_get_vid());
  83    if ($tree) {
  84      $header = array(t('Name'), t('Operations'));
  85      foreach ($tree as $term) {
  86        $rows[] = array(str_repeat(' -- ', $term->depth) . ' ' . l($term->name, "image/tid/$term->tid"), l(t('edit gallery'), "admin/content/image/edit/$term->tid"));
  87      }
  88      return theme('table', $header, $rows);
  89    }
  90    else {
  91      return t('No galleries available');
  92    }
  93  }
  94  
  95  /**
  96   * Menu callback for editing or adding a gallery.
  97   */
  98  function image_gallery_admin_edit($tid = NULL) {
  99    if ((isset($_POST['op']) && $_POST['op'] == t('Delete')) || isset($_POST['confirm'])) {
 100      return drupal_get_form('image_gallery_confirm_delete_form', $tid);
 101    }
 102  
 103    if (is_numeric($tid)) {
 104      $edit = (array) taxonomy_get_term($tid);
 105    }
 106    else {
 107      $edit = array(
 108        'name' => '',
 109        'description' => '',
 110        'vid' => _image_gallery_get_vid(),
 111        'tid' => NULL,
 112        'weight' => 0,
 113      );
 114    }
 115    return drupal_get_form('image_gallery_admin_form', $edit);
 116  }
 117  
 118  /**
 119   * Form for editing or adding a gallery.
 120   */
 121  function image_gallery_admin_form(&$form_state, $edit = array()) {
 122    $form['name'] = array(
 123      '#type' => 'textfield',
 124      '#title' => t('Gallery name'),
 125      '#default_value' => $edit['name'],
 126      '#size' => 60,
 127      '#maxlength' => 64,
 128      '#description' => t('The name is used to identify the gallery.'),
 129      '#required' => TRUE,
 130    );
 131    $form['description'] = array(
 132      '#type' => 'textarea',
 133      '#title' => t('Description'),
 134      '#default_value' => $edit['description'],
 135      '#cols' => 60,
 136      '#rows' => 5,
 137      '#description' => t('The description can be used to provide more information about the image gallery.'),
 138    );
 139    $form['parent']['#tree'] = TRUE;
 140    $form['parent'][0] = _image_gallery_parent_select($edit['tid'], t('Parent'), 'forum');
 141    $form['weight'] = array(
 142      '#type' => 'weight',
 143      '#title' => t('Weight'),
 144      '#default_value' => $edit['weight'],
 145      '#delta' => 10,
 146      '#description' => t('When listing galleries, those with with light (small) weights get listed before containers with heavier (larger) weights. Galleries with equal weights are sorted alphabetically.'),
 147    );
 148    $form['vid'] = array(
 149      '#type' => 'hidden',
 150      '#value' => _image_gallery_get_vid(),
 151    );
 152    $form['submit'] = array(
 153      '#type' => 'submit',
 154      '#value' => t('Save'),
 155    );
 156    if ($edit['tid']) {
 157      $form['delete'] = array(
 158        '#type' => 'submit',
 159        '#value' => t('Delete'),
 160      );
 161      $form['tid'] = array(
 162        '#type' => 'hidden',
 163        '#value' => $edit['tid'],
 164      );
 165    }
 166    $form['#submit'][] = 'image_gallery_admin_submit';
 167    $form['#theme'][] = 'image_gallery_admin';
 168    return $form;
 169  }
 170  
 171  function _image_gallery_parent_select($tid, $title) {
 172    $parents = taxonomy_get_parents($tid);
 173    if ($parents) {
 174      $parent = array_shift($parents);
 175      $parent = $parent->tid;
 176    }
 177    else {
 178      $parent = 0;
 179    }
 180  
 181    $children = taxonomy_get_tree(_image_gallery_get_vid(), $tid);
 182  
 183    // A term can't be the child of itself, nor of its children.
 184    foreach ($children as $child) {
 185      $exclude[] = $child->tid;
 186    }
 187    $exclude[] = $tid;
 188  
 189    $tree = taxonomy_get_tree(_image_gallery_get_vid());
 190    $options[0] = '<' . t('root') . '>';
 191    if ($tree) {
 192      foreach ($tree as $term) {
 193        if (!in_array($term->tid, $exclude)) {
 194          $options[$term->tid] = str_repeat(' -- ', $term->depth) . ' ' . $term->name;
 195        }
 196      }
 197    }
 198  
 199    return array(
 200      '#type' => 'select',
 201      '#title' => $title,
 202      '#default_value' => $parent,
 203      '#options' => $options,
 204      '#description' => t('Image galleries may be nested below other galleries.'),
 205      '#required' => TRUE,
 206    );
 207  }
 208  
 209  /**
 210   * Form submit handler.
 211   */
 212  function image_gallery_admin_submit($form, &$form_state) {
 213    $status = taxonomy_save_term($form_state['values']);
 214    switch ($status) {
 215      case SAVED_NEW:
 216        drupal_set_message(t('Created new gallery %term.', array('%term' => $form_state['values']['name'])));
 217        break;
 218  
 219      case SAVED_UPDATED:
 220        drupal_set_message(t('The gallery %term has been updated.', array('%term' => $form_state['values']['name'])));
 221        break;
 222  
 223      case SAVED_DELETED:
 224        drupal_set_message(t('The gallery %term has been deleted.', array('%term' => $form_state['values']['name'])));
 225        break;
 226    }
 227    return 'admin/content/image';
 228  }
 229  
 230  /**
 231   * Form for confirmation for deleting a gallery.
 232   */
 233  function image_gallery_confirm_delete_form(&$form_state, $tid) {
 234    $term = taxonomy_get_term($tid);
 235  
 236    $form['tid'] = array('#type' => 'value', '#value' => $tid);
 237    $form['name'] = array('#type' => 'value', '#value' => $term->name);
 238  
 239    return confirm_form($form, t('Are you sure you want to delete the image gallery %name?', array('%name' => $term->name)), 'admin/content/image', t('Deleting an image gallery will delete all sub-galleries. This action cannot be undone.'), t('Delete'), t('Cancel'));
 240  }
 241  
 242  /**
 243   * Form submit handler.
 244   */
 245  function image_gallery_confirm_delete_form_submit($form, &$form_state) {
 246    taxonomy_del_term($form_state['values']['tid']);
 247    drupal_set_message(t('The image gallery %term and all sub-galleries have been deleted.', array('%term' => $form_state['values']['name'])));
 248    $form_state['redirect'] = 'admin/content/image';
 249  }
 250