source: trunk/admin/include/configuration_watermark_process.inc.php @ 14513

Last change on this file since 14513 was 14513, checked in by plg, 8 years ago

feature 2626: manage inline errors on form submission

File size: 5.0 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2012 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24if( !defined("PHPWG_ROOT_PATH") )
25{
26  die ("Hacking attempt!");
27}
28
29$errors = array();
30$pwatermark = $_POST['w'];
31
32// step 1 - sanitize HTML input
33switch ($pwatermark['position'])
34{
35  case 'topleft':
36  {
37    $pwatermark['xpos'] = 0;
38    $pwatermark['ypos'] = 0;
39    break;
40  }
41  case 'topright':
42  {
43    $pwatermark['xpos'] = 100;
44    $pwatermark['ypos'] = 0;
45    break;
46  }
47  case 'middle':
48  {
49    $pwatermark['xpos'] = 50;
50    $pwatermark['ypos'] = 50;
51    break;
52  }
53  case 'bottomleft':
54  {
55    $pwatermark['xpos'] = 0;
56    $pwatermark['ypos'] = 100;
57    break;
58  }
59  case 'bottomright':
60  {
61    $pwatermark['xpos'] = 100;
62    $pwatermark['ypos'] = 100;
63    break;
64  }
65}
66
67// step 2 - check validity
68$v = intval($pwatermark['xpos']);
69if ($v < 0 or $v > 100)
70{
71  $errors['watermark']['xpos'] = '[0..100]';
72}
73
74$v = intval($pwatermark['ypos']);
75if ($v < 0 or $v > 100)
76{
77  $errors['watermark']['ypos'] = '[0..100]';
78}
79
80$v = intval($pwatermark['opacity']);
81if ($v <= 0 or $v > 100)
82{
83  $errors['watermark']['opacity'] = '(0..100]';
84}
85
86// step 3 - save data
87if (count($errors) == 0)
88{
89  $watermark = new WatermarkParams();
90  $watermark->file = $pwatermark['file'];
91  $watermark->xpos = intval($pwatermark['xpos']);
92  $watermark->ypos = intval($pwatermark['ypos']);
93  $watermark->xrepeat = intval($pwatermark['xrepeat']);
94  $watermark->opacity = intval($pwatermark['opacity']);
95  $watermark->min_size = array(intval($pwatermark['minw']),intval($pwatermark['minh']));
96
97  $old_watermark = ImageStdParams::get_watermark();
98  $watermark_changed =
99    $watermark->file != $old_watermark->file
100    || $watermark->xpos != $old_watermark->xpos
101    || $watermark->ypos != $old_watermark->ypos
102    || $watermark->xrepeat != $old_watermark->xrepeat
103    || $watermark->opacity != $old_watermark->opacity;
104
105  // do we have to regenerate the derivatives?
106  $old_enabled = ImageStdParams::get_defined_type_map();
107  // $disabled = @unserialize( @$conf['disabled_derivatives'] );
108  // if ($disabled===false)
109  // {
110  //   $disabled = array();
111  // }
112
113  // save the new watermark configuration
114  ImageStdParams::set_watermark($watermark);
115
116  $new_enabled = ImageStdParams::get_defined_type_map();
117 
118  $changed_types = array();
119
120  foreach(ImageStdParams::get_all_types() as $type)
121  {
122    if (isset($old_enabled[$type]))
123    {
124      $old_params = $old_enabled[$type];
125      // echo '<pre>old '.$type."\n"; print_r($old_params); echo '</pre>';
126     
127      $new_params = $new_enabled[$type];
128      ImageStdParams::apply_global($new_params);
129      // echo '<pre>new '.$type."\n"; print_r($old_params); echo '</pre>';
130     
131      $same = true;
132         
133      if ($new_params->use_watermark != $old_params->use_watermark
134          or $new_params->use_watermark and $watermark_changed)
135      {
136        $same = false;
137      }
138
139      if (!$same)
140      {
141        $new_params->last_mod_time = time();
142        $changed_types[] = $type;
143      }
144      else
145      {
146        $new_params->last_mod_time = $old_params->last_mod_time;
147      }
148      $new_enabled[$type] = $new_params;
149    }
150  }
151
152  $enabled_by = array(); // keys ordered by all types
153  foreach(ImageStdParams::get_all_types() as $type)
154  {
155    if (isset($new_enabled[$type]))
156    {
157      $enabled_by[$type] = $new_enabled[$type];
158    }
159  }
160  ImageStdParams::set_and_save($enabled_by);
161
162  if (count($changed_types))
163  {
164    clear_derivative_cache($changed_types);
165  }
166}
167else
168{
169  $template->assign('watermark', $pwatermark);
170  $template->assign('ferrors', $errors);
171}
172?>
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