/[drupal]/contributions/modules/watermark/watermark.module
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Diff of /contributions/modules/watermark/watermark.module

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revision 1.8, Tue Jul 3 17:59:58 2007 UTC revision 1.9, Sat Jul 7 17:54:09 2007 UTC
# Line 1  Line 1 
1  <?php  <?php
2    
3  // $Id: watermark.module,v 1.7 2007/06/27 17:24:23 kbahey Exp $  // $Id: watermark.module,v 1.5.2.5 2007/07/07 17:53:29 kbahey Exp $
4  // Author: Khalid Baheyeldin of http://2bits.com  // Author: Khalid Baheyeldin of http://2bits.com
5    // Additional features by schnizZzla for http://BerlinerStrassen.com
6    
7  define('WATERMARK_ENABLE',                'watermark_enable');  define('WATERMARK_ENABLE',                'watermark_enable');
8  define('WATERMARK_PATH',                  'watermark_path');  define('WATERMARK_PATH',                  'watermark_path');
# Line 23  define('WATERMARK_POS_BOTTOMMIDDLE', Line 24  define('WATERMARK_POS_BOTTOMMIDDLE',
24  define('WATERMARK_POS_BOTTOMRIGHT',       7);  define('WATERMARK_POS_BOTTOMRIGHT',       7);
25  define('WATERMARK_POS_BOTTOMLEFT',        8);  define('WATERMARK_POS_BOTTOMLEFT',        8);
26    
27    define('WATERMARK_PERM_MANAGE',           'manage watermarks');
28    
29  function watermark_help($section) {  function watermark_help($section) {
30    switch ($section) {    switch ($section) {
# Line 45  function watermark_menu($may_cache) { Line 47  function watermark_menu($may_cache) {
47    return $items;    return $items;
48  }  }
49    
50    function watermark_perm() {
51      return array(WATERMARK_PERM_MANAGE);
52    }
53    
54  function watermark_admin_settings() {  function watermark_admin_settings() {
55    if (!watermark_check_functions()) {    if (!watermark_check_functions()) {
56      return;      return;
# Line 227  function watermark_nodeapi(&$node, $op, Line 233  function watermark_nodeapi(&$node, $op,
233      return;      return;
234    }    }
235    
236    $watermark = variable_get(WATERMARK_PATH, '');    // We hook into node validation to be able to have a watermark on all uploads, also in previews!
237    // $dir removed --> http://drupal.org/node/142178    if ($op == 'validate') {
238    // see CHANGELOG.txt and TODO.txt      // Was a new file uploaded?
239    $location = variable_get(WATERMARK_LOCATION, 0);      $is_new_file = $node->new_file && is_array($node->images);
240        // Has this node already an image?
241    switch ($op) {      $has_image = !empty($node->images['_original']);
242      case 'validate':      // for users with "manage watermarks" permission bypass automatic watermark process
243        // watermark on preview!      if (user_access(WATERMARK_PERM_MANAGE)) {
244        // check for new image upload        if ($node->wm_apply) {
245        if ($node->new_file && is_array($node->images)) {          // do we need a watermark, is there any image?
246          foreach ($node->images as $label => $filepath) {          if (!$has_image && !$is_new_file) {
247            if (variable_get(WATERMARK . $label, false)) {            return;
             if (_watermark_process($filepath, $watermark, $location)) {  
               drupal_set_message(t('Watermark applied to image: %file', array('%file' => $label)));  
             }  
             else {  
               drupal_set_message(t('Error adding watermark.'), 'error');  
               watchdog('error', 'Error adding watermark');  
             }  
           }  
248          }          }
249            _watermark_apply($node);
250        }        }
251      break;      }
252        // normal user, automatic watermark process
253        else if ($is_new_file) {
254          _watermark_apply($node);
255        }
256      }
257    }
258    
259      case 'insert':  function watermark_form_alter($form_id, &$form) {
260      case 'update':    // additional option to toggle watermark process when a user has "manage watermarks" permission
261        // new image upload check, when the node is saved without preview    if ($form_id == 'image_node_form' && user_access(WATERMARK_PERM_MANAGE)) {
262        if ($node->new_file && is_array($node->images)) {      $apply_watermark = true;
263          // We get the image from the database to guarantee it is the correct path, not temp files  
264          $result = db_query('SELECT filename, filepath FROM {files} WHERE nid = %d', $node->nid);      if (preg_match('/^\/node\/[0-9]+\/edit$/i', $form['#action'])) {
265          while ($row = db_fetch_object($result)) {        $apply_watermark = false;
266            if (variable_get(WATERMARK . $row->filename, false)) {      }
267              if (_watermark_process($row->filepath, $watermark, $location)) {      else if ($form['#action'] != '/node/add/image') {
268                drupal_set_message(t('Watermark applied to image: %file', array( '%file' => $row->filename ) ) );        return;
269              }      }
270              else {  
271                drupal_set_message(t('Error adding watermark.'), 'error');      $form['watermark'] = array(
272                watchdog('error', 'Error adding watermark');        '#type' => 'fieldset',
273              }        '#title' => t('Watermark settings'),
274            }        '#collapsible' => true,
275          }        '#collapsed' => false,
276        );
277        $form['watermark']['wm_apply'] = array(
278          '#title' => t('Apply watermark'),
279          '#type' => 'checkbox',
280          '#description' => t('<strong>Automatic watermark process bypass:</strong> Please decide yourself if a watermark needs to be applied. <strong>Be careful, do not apply watermarks twice!</strong>'),
281          '#default_value' => $apply_watermark,
282        );
283      }
284    }
285    
286    function _watermark_apply($node) {
287      $watermark = variable_get(WATERMARK_PATH, '');
288      $location = variable_get(WATERMARK_LOCATION, 0);
289      foreach ($node->images as $label => $filepath) {
290        if (variable_get(WATERMARK . $label, false)) {
291          if (_watermark_process($filepath, $watermark, $location)) {
292            drupal_set_message(t('Watermark applied to image: %file', array('%file' => $label)));
293          }
294          else {
295            drupal_set_message(t('Error adding watermark.'), 'error');
296            watchdog('error', 'Error adding watermark');
297        }        }
298      break;      }
299    }    }
300  }  }
301    
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