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 require_once(DOCROOT . 'inc/wfpl/format.php');
   8 require_once(DOCROOT . 'inc/wfpl/upload.php');
   9
  10 # example: 200x300
  11 function format_width_height($str) {
  12         $fields = explode('x', $str);
  13         if(count($fields) != 2) {
  14                 return '';
  15         }
  16
  17         list($width, $height) = $fields;
  18         $width = format_int_0($width);
  19         $height = format_int_0($height);
  20
  21         return "${width}x$height";
  22 }
  23
  24 function admin_images_get_fields() {
  25         $data = array();
  26
  27         $data['name'] = format_oneline(_REQUEST_cut('name'));
  28         $data['caption'] = format_oneline(_REQUEST_cut('caption'));
  29
  30         if($_FILES['image'] && $_FILES['image']['error'] == 0 && file_exists($_FILES['image']['tmp_name'])) {
  31                 $image_fn_ext = path_or_mime_to_ext($_FILES['image']['name'], $_FILES['image']['type']);
  32                 $image_fn_ext = ext_to_web_image_ext($image_fn_ext);
  33                 $image_fn_base = sha1_file($_FILES['image']['tmp_name']);
  34                 if (strlen($image_fn_base) == 40) {
  35                         $image_fn_base = substr($image_fn_base, 0, 16);
  36                         $image_filename = 'cms_images/' . $image_fn_base . '.' . $image_fn_ext;
  37                         $data['image'] = convert_uploaded_image('image', $image_filename);
  38                 }
  39         } else {
  40                 if(_REQUEST_cut('delete_image') == 'Yes') {
  41                         $data['image'] = '';
  42                 } else {
  43                         $data['image'] = format_image_w_h(_REQUEST_cut('old_image'));
  44                 }
  45         }
  46         unset($_FILES['image']);
  47
  48         return $data;
  49 }
  50
  51
  52 function admin_images_main() {
  53         session_auth_must('admin_images');
  54
  55         $id = _REQUEST_cut('edit_id');
  56         if($id) {
  57                 return admin_images_main_form($id);
  58         }
  59
  60         $id = _REQUEST_cut('admin_images_delete_id');
  61         if($id) {
  62                 return admin_images_main_delete($id);
  63         }
  64
  65         if(_REQUEST_cut('new')) {
  66                 return admin_images_main_form();
  67         }
  68
  69         if(_REQUEST_cut('list')) {
  70                 return admin_images_main_listing();
  71         }
  72
  73         $id = _REQUEST_cut('id');
  74         if($id) {
  75                 return admin_images_main_display($id);
  76         }
  77
  78         if(isset($_POST['name'])) {
  79                 return admin_images_main_form();
  80         }
  81
  82         # default action:
  83         return admin_images_main_listing();
  84 }
  85
  86 function admin_images_main_display($id) {
  87         $data = db_get_assoc('cms_images', 'id,'.ADMIN_IMAGES_DB_FIELDS, 'where id=%i', $id);
  88         if(!$data) {
  89                 message("Error: Broken Link (Image #$id not found)");
  90                 return './admin_images';
  91         }
  92
  93         # Find pages that have this image on it
  94         if($data['image']) {
  95                 $references = db_get_assocs('cms_pages', 'title,filename', 'where content like "%%%s%%" order by concat(nav_title,title)', substr(enc_image_src($data['image']), 0, -4));
  96                 if($references) {
  97                         $data['references'] = array(
  98                                 'data' => $references,
  99                                 'count' => count($references));
 100                 }
 101         }
 102
 103         tem_set('display', $data);
 104 }
 105
 106 function admin_images_main_delete($id) {
 107         $data = db_get_assoc('cms_images', 'image,sizes', 'where id=%i', $id);
 108         if ($data) {
 109                 $src = enc_image_src($data['image']);
 110                 if ($src) {
 111                         $filenames = array($src);
 112                         foreach ($GLOBALS['wfpl_image_widths'] as $w) {
 113                                 $filenames [] = substr($src, 0, -4) . 'w' . $w . substr($src, -4);
 114                         }
 115                         foreach ($filenames as $filename) {
 116                                 if (file_exists($filename)) {
 117                                         unlink($filename);
 118                                 }
 119                         }
 120                 }
 121                 db_delete('cms_images', 'where id=%i', $id);
 122                 message('Image deleted.');
 123         } else {
 124                 message("Couldn't find image to delete. Maybe it's already been deleted?");
 125         }
 126         return './admin_images';
 127 }
 128
 129 function admin_images_main_listing() {
 130         $listing_rows = db_get_assocs('cms_images', 'id,image,name,caption', 'order by name, caption');
 131         tem_set('listings', $listing_rows);
 132 }
 133
 134 function admin_images_main_form($id = false) {
 135         if($id) {
 136                 tem_set('id', $id);
 137         }
 138
 139         if(isset($_POST['name'])) {
 140                 $data = admin_images_get_fields();
 141
 142                 # save anything
 143                 # Note: If you change this to re-display the form in some cases, be sure to handle image uploads well (don't make them upload it again.)
 144
 145                 # save to database
 146                 if($id) {
 147                         db_update_assoc('cms_images', $data, 'where id=%i', $id);
 148                         message('Image updated.');
 149                         $saved_id = $id;
 150                 } else {
 151                         db_insert_assoc('cms_images', $data);
 152                         message('Image saved. Next time you open a page editor, this image will be availble in the "Insert Image" dialog.');
 153                         $saved_id = db_auto_id();
 154                 }
 155
 156                 # return user to display page where they can see instructions, etc
 157                 return "./admin_images";
 158
 159         } elseif($id) {
 160                 # we've recieved an edit id, but no data. So we grab the values to be edited from the database
 161                 $data = db_get_assoc('cms_images', ADMIN_IMAGES_DB_FIELDS, 'where id=%i', $id);
 162         } else {
 163                 # form not submitted, set default values:
 164                 $data = array('sizes' => '275x500');
 165         }
 166
 167         tem_set('upload_max_filesize', upload_max_filesize());
 168
 169         tem_set('form', $data);
 170 }