admin_images.php

   1 <?php
   2
   3 # This form requires wfpl. See: http://sametwice.com/wfpl
   4
   5 define('ADMIN_IMAGES_DB_FIELDS', 'image,name,caption,sizes');
   6
   7 # Set this to the path to your uploads directory. It can be relative to the
   8 # location of this script. IT MUST END WITH A SLASH
   9 $GLOBALS['upload_directory'] = 'cms_images/';
  10
  11 $GLOBALS['image_max_width'] = '704';
  12 $GLOBALS['image_max_height'] = '1900';
  13 $GLOBALS['image_thumb_max_width'] = '70';
  14 $GLOBALS['image_thumb_max_height'] = '70';
  15 $GLOBALS['image_file_name'] = uniqid() . getmypid() . '.jpg'; # comment this out to use uploader's filename
  16
  17
  18 require_once(INC_WFPL . 'format.php');
  19 require_once(INC_WFPL . 'upload.php');
  20
  21 # example: 200x300
  22 function format_width_height($str) {
  23         $fields = explode('x', $str);
  24         if(count($fields) != 2) {
  25                 return '';
  26         }
  27
  28         list($width, $height) = $fields;
  29         $width = format_int_0($width);
  30         $height = format_int_0($height);
  31
  32         return "${width}x$height";
  33 }
  34
  35 function admin_images_get_fields() {
  36         $data = array();
  37
  38         $data['name'] = format_oneline(_REQUEST_cut('name'));
  39         $data['caption'] = format_oneline(_REQUEST_cut('caption'));
  40         $data['sizes'] = format_unix(_REQUEST_cut('sizes'));
  41
  42         if($_FILES['image'] && $_FILES['image']['error'] == 0) {
  43                 $data['image'] = convert_uploaded_image('image', $GLOBALS['upload_directory'] . $GLOBALS['image_file_name'], $GLOBALS['image_max_width'], $GLOBALS['image_max_height'], $GLOBALS['image_thumb_max_width'], $GLOBALS['image_thumb_max_height']);
  44         } else {
  45                 if(_REQUEST_cut('delete_image') == 'Yes') {
  46                         $data['image'] = '';
  47                 } else {
  48                         $data['image'] = format_image_w_h_thumb_w_h(_REQUEST_cut('old_image'));
  49                 }
  50         }
  51         unset($_FILES['image']);
  52
  53         return $data;
  54 }
  55
  56
  57 function admin_images_main() {
  58         if(!logged_in_as_admin()) {
  59                 $_REQUEST['url'] = this_url();
  60                 return 'admin_login';
  61         }
  62
  63         $id = _REQUEST_cut('edit_id');
  64         if($id) {
  65                 return admin_images_main_form($id);
  66         }
  67
  68         $id = _REQUEST_cut('admin_images_delete_id');
  69         if($id) {
  70                 return admin_images_main_delete($id);
  71         }
  72
  73         if(_REQUEST_cut('new')) {
  74                 return admin_images_main_form();
  75         }
  76
  77         if(_REQUEST_cut('list')) {
  78                 return admin_images_main_listing();
  79         }
  80
  81         $id = _REQUEST_cut('id');
  82         if($id) {
  83                 return admin_images_main_display($id);
  84         }
  85
  86         if(isset($_POST['name'])) {
  87                 return admin_images_main_form();
  88         }
  89
  90         # default action:
  91         return admin_images_main_listing();
  92 }
  93
  94 function admin_images_main_display($id) {
  95         $data = db_get_assoc('cms_images', 'id,'.ADMIN_IMAGES_DB_FIELDS, 'where id=%i', $id);
  96         if(!$data) {
  97                 message("Error: Broken Link (Image #$id not found)");
  98                 return './admin_images';
  99         }
 100
 101         # Find pages that have this image on it
 102         if($data['image']) {
 103                 $references = db_get_assocs('cms_pages', 'title,filename', 'where content like "%%%s%%" order by concat(nav_title,title)', substr(enc_image_src($data['image']), 0, -4)); # FIXME test that this works for smaller images
 104                 if($references) {
 105                         $data['references'] = array(
 106                                 'data' => $references,
 107                                 'count' => count($references));
 108                 }
 109         }
 110
 111         # display smaller versions with instructions and example code
 112         $smaller == array();
 113         if($data['image'] && $data['sizes']) {
 114                 $big_src = enc_image_src($data['image']);
 115                 $row = explode("\n", $data['sizes']);
 116                 foreach($row as $max_hw) {
 117                         $max_hw = format_width_height($max_hw);
 118                         if($max_hw == '') {
 119                                 continue;
 120                         }
 121                         list($max_width, $max_height) = explode('x', $max_hw);
 122                         $src = str_replace('.', "-$max_width-$max_height.", $big_src);
 123                         $dimensions = image_dimensions($src);
 124                         if($dimensions) {
 125                                 list($width, $height) = explode('x', $dimensions);
 126                         } else {
 127                                 $width = $max_width;
 128                                 $height = $max_height;
 129                         }
 130
 131                         $smaller[] = array(
 132                                 'src' => $src,
 133                                 'max_width' => $max_width,
 134                                 'max_height' => $max_height,
 135                                 'width' => $width,
 136                                 'height' => $height);
 137                 }
 138         }
 139         if($smaller) {
 140                 $data['smaller'] = $smaller;
 141         } else {
 142                 tem_set('no_sizes');
 143         }
 144
 145         tem_set('display', $data);
 146 }
 147
 148 function admin_images_main_delete($id) {
 149         $data = db_get_assoc('cms_images', 'image,sizes', 'where id=%i', $id);
 150         if ($data) {
 151                 $filenames = array();
 152                 $space = strpos($data['image'], ' ');
 153                 $dot = strpos($data['image'], '.');
 154                 if ($space !== false && $dot !== false && $dot < $space) {
 155                         $base = substr($data['image'], 0, $dot);
 156                         $ext = substr($data['image'], $dot, $space - $dot);
 157                         $filenames[] = "$base$ext";
 158                         $filenames[] = "{$base}_thumb$ext";
 159                         $sizes = explode("\n", $data['sizes']);
 160                         foreach ($sizes as $max_hw) {
 161                                 $max_hw = format_width_height($max_hw);
 162                                 if($max_hw == '') {
 163                                         continue;
 164                                 }
 165                                 list($max_width, $max_height) = explode('x', $max_hw);
 166                                 $filenames[] = "$base-{$max_width}x$max_height$ext"; # old naming scheme
 167                                 $filenames[] = "$base-{$max_width}-$max_height$ext"; # new namich scheme
 168                         }
 169                 }
 170                 foreach ($filenames as $filename) {
 171                         if (file_exists($filename)) {
 172                                 unlink($filename);
 173                         }
 174                 }
 175                 db_delete('cms_images', 'where id=%i', $id);
 176                 message('Image deleted.');
 177         } else {
 178                 message("Couldn't find image to delete. Maybe it's already been deleted?");
 179         }
 180         return './admin_images';
 181 }
 182
 183 function admin_images_main_listing() {
 184         $listing_rows = db_get_assocs('cms_images', 'id,image,name,caption', 'order by name, caption');
 185         tem_set('listings', $listing_rows);
 186 }
 187
 188 function admin_images_main_form($id = false) {
 189         if($id) {
 190                 tem_set('id', $id);
 191         }
 192
 193         if(isset($_POST['name'])) {
 194                 $data = admin_images_get_fields();
 195
 196                 # save anything
 197                 # Note: If you change this to re-display the form in some cases, be sure to handle image uploads well (don't make them upload it again.)
 198
 199                 # resize image as needed
 200                 if($data['image'] && $data['sizes']) {
 201                         $big_src = enc_image_src($data['image']);
 202                         $row = explode("\n", $data['sizes']);
 203                         foreach($row as $max_hw) {
 204                                 $max_hw = format_width_height($max_hw);
 205                                 if($max_hw == '') {
 206                                         continue;
 207                                 }
 208                                 list($max_width, $max_height) = explode('x', $max_hw);
 209                                 $src = str_replace('.', "-$max_width-$max_height.", $big_src);
 210                                 if(($_FILES['image'] && $_FILES['image']['error'] == 0) || !file_exists($src)) {
 211                                         imagemagick_convert($big_src, $src, "-geometry $max_hw", 'Resizing image');
 212                                 }
 213                         }
 214                 }
 215
 216                 # save to database
 217                 if($id) {
 218                         db_update_assoc('cms_images', $data, 'where id=%i', $id);
 219                         message('Image updated.');
 220                         $saved_id = $id;
 221                 } else {
 222                         db_insert_assoc('cms_images', $data);
 223                         message('Image saved. Next time you open a page editor, this image will be availble in the "Insert Image" dialog.');
 224                         $saved_id = db_auto_id();
 225                 }
 226
 227                 # return user to display page where they can see instructions, etc
 228                 return "./admin_images";
 229
 230         } elseif($id) {
 231                 # we've recieved an edit id, but no data. So we grab the values to be edited from the database
 232                 $data = db_get_assoc('cms_images', ADMIN_IMAGES_DB_FIELDS, 'where id=%i', $id);
 233         } else {
 234                 # form not submitted, set default values:
 235                 $data = array('sizes' => '275x500');
 236         }
 237
 238         tem_set('upload_max_filesize', upload_max_filesize());
 239
 240         tem_set('form', $data);
 241 }