feature 2541 multisize

- admin GUI for choosing derivative parameters + persistence

git-svn-id: http://piwigo.org/svn/trunk@12820 68402e56-0260-453c-a942-63ccdbb3a9ee

9 files changed, 432 insertions, 46 deletions

diff --git a/admin.php b/admin.php
index 382ec76cb..411dcb9e2 100644
--- a/admin.php
+++ b/admin.php
@@ -165,6 +165,7 @@ $template->assign(
     'U_MAINTENANCE'=> $link_start.'maintenance',
     'U_NOTIFICATION_BY_MAIL'=> $link_start.'notification_by_mail',
     'U_CONFIG_GENERAL'=> $link_start.'configuration',
+    'U_CONFIG_DERIVATIVES'=> $link_start.'derivatives',
     'U_CONFIG_DISPLAY'=> $conf_link.'default',
     'U_CONFIG_EXTENTS'=> $link_start.'extend_for_templates',
     'U_CONFIG_MENUBAR'=> $link_start.'menubar',
diff --git a/admin/derivatives.php b/admin/derivatives.php
new file mode 100644
index 000000000..fbf1ccffb
--- /dev/null
+++ b/admin/derivatives.php
@@ -0,0 +1,235 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based photo gallery                                    |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008-2011 Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+defined('PHPWG_ROOT_PATH') or trigger_error('Hacking attempt!', E_USER_ERROR);
+
+$errors = array();
+
+if ( isset($_POST['d']) )
+{
+  $pderivatives = $_POST['d'];
+
+  // step 1 - sanitize HTML input
+  foreach($pderivatives as $type => &$pderivative)
+  {
+    if ($pderivative['must_square'] = ($type==IMG_SQUARE ? true : false))
+    {
+      $pderivative['h'] = $pderivative['w'];
+      $pderivative['minh'] = $pderivative['minw'] = $pderivative['w'];
+      $pderivative['crop'] = 100;
+    }
+    $pderivative['must_enable'] = ($type==IMG_SQUARE || $type==IMG_THUMB)? true : false;
+    $pderivative['enabled'] = isset($pderivative['enabled']) || $pderivative['must_enable'] ? true : false;
+  }
+  unset($pderivative);
+
+  // step 2 - check validity
+  $prev_w = $prev_h = 0;
+  foreach(ImageStdParams::get_all_types() as $type)
+  {
+    $pderivative = $pderivatives[$type];
+    if (!$pderivative['enabled'])
+      continue;
+
+    $v = intval($pderivative['w']);
+    if ($v<=0 || $v<=$prev_w)
+    {
+      $errors[$type]['w'] = '>'.$prev_w;
+    }
+    $v = intval($pderivative['h']);
+    if ($v<=0 || $v<=$prev_h)
+    {
+      $errors[$type]['h'] = '>'.$prev_h;
+    }
+    $v = intval($pderivative['crop']);
+    if ($v<0 || $v>100)
+    {
+      $errors[$type]['crop'] = '[0..100]';
+    }
+    
+    if ($v!=0)
+    {
+      $v = intval($pderivative['minw']);
+      if ($v<0 || $v>intval($pderivative['w']))
+      {
+        $errors[$type]['minw'] = '[0..'.intval($pderivative['w']).']';
+      }
+      $v = intval($pderivative['minh']);
+      if ($v<0 || $v>intval($pderivative['h']))
+      {
+        $errors[$type]['minh'] = '[0..'.intval($pderivative['h']).']';
+      }
+    }
+    
+    if (count($errors)==0)
+    {
+      $prev_w = intval($pderivative['w']);
+      $prev_h = intval($pderivative['h']);
+    }
+  }
+  // step 3 - save data
+  if (count($errors)==0)
+  {
+    $enabled = ImageStdParams::get_defined_type_map();
+    $disabled = @unserialize( @$conf['disabled_derivatives'] );
+    if ($disabled===false)
+    {
+      $disabled = array();
+    }
+    $changed_types = array();
+    
+    foreach(ImageStdParams::get_all_types() as $type)
+    {
+      $pderivative = $pderivatives[$type];
+      
+      if ($pderivative['enabled'])
+      {
+        $new_params = new DerivativeParams(
+            new SizingParams( 
+              array($pderivative['w'],$pderivative['h']),
+              round($pderivative['crop'] / 100, 2),
+              array($pderivative['minw'],$pderivative['minh'])
+              ) 
+          );
+        if (isset($enabled[$type]))
+        {
+          $old_params = $enabled[$type];
+          $same = true;
+          if ( !size_equals($old_params->sizing->ideal_size, $new_params->sizing->ideal_size)
+            or $old_params->sizing->max_crop != $new_params->sizing->max_crop)
+          {
+            $same = false;
+          }
+
+          if ( $same && $new_params->sizing->max_crop != 0 
+              && !size_equals($old_params->sizing->min_size, $new_params->sizing->min_size) )
+          {
+            $same = false;
+          }
+          
+          if (!$same)
+          {
+            $new_params->last_mod_time = time();
+            $changed_types[] = $type;
+          }
+          else
+          {
+            $new_params->last_mod_time = $old_params->last_mod_time;
+          }
+          $enabled[$type] = $new_params;
+        }
+        else
+        {// now enabled, before was disabled
+          $enabled[$type] = $new_params;
+          unset($disabled[$type]);
+        }
+      }
+      else
+      {// disabled
+        if (isset($enabled[$type]))
+        {// now disabled, before was enabled
+          $disabled[$type] = $enabled[$type];
+          unset($enabled[$type]);
+        }
+      }
+    }
+
+    $enabled_by = array(); // keys ordered by all types
+    foreach(ImageStdParams::get_all_types() as $type)
+    {
+      if (isset($enabled[$type]))
+      {
+        $enabled_by[$type] = $enabled[$type];
+      }
+    }    
+    ImageStdParams::set_and_save($enabled_by);
+    if (count($disabled)==0)
+    {
+      $query='DELETE FROM '.CONFIG_TABLE.' WHERE param = \'disabled_derivatives\'';
+      pwg_query($query);
+    }
+    else
+    {
+      conf_update_param('disabled_derivatives', addslashes(serialize($disabled)) );
+    }
+    $conf['disabled_derivatives']=serialize($disabled);
+    
+    if (count($changed_types))
+    {
+      clear_derivative_cache($changed_types);
+    }
+  }
+  else
+  {
+    $template->assign('derivatives', $pderivatives);
+    $template->assign('ferrors', $errors);
+  }
+}
+
+if (count($errors)==0)
+{
+  $enabled = ImageStdParams::get_defined_type_map();
+  $disabled = @unserialize( @$conf['disabled_derivatives'] );
+  if ($disabled===false)
+  {
+    $disabled = array();
+  }
+
+  $tpl_vars = array();
+  foreach(ImageStdParams::get_all_types() as $type)
+  {
+    $tpl_var = array();
+
+    $tpl_var['must_square'] = ($type==IMG_SQUARE ? true : false);
+    $tpl_var['must_enable'] = ($type==IMG_SQUARE || $type==IMG_THUMB)? true : false;
+
+    if ($params=@$enabled[$type])
+    {
+      $tpl_var['enabled']=true;
+    }
+    else
+    {
+      $tpl_var['enabled']=false;
+      $params=@$disabled[$type];
+    }
+
+    if ($params)
+    {
+      list($tpl_var['w'],$tpl_var['h']) = $params->sizing->ideal_size;
+      if ( ($tpl_var['crop'] = round(100*$params->sizing->max_crop)) > 0)
+      {
+        list($tpl_var['minw'],$tpl_var['minh']) = $params->sizing->min_size;
+      }
+      else
+      {
+        $tpl_var['minw'] = $tpl_var['minh'] = "";
+      }
+    }
+    $tpl_vars[$type]=$tpl_var;
+  }
+  $template->assign('derivatives', $tpl_vars);
+}
+
+$template->set_filename('derivatives', 'derivatives.tpl');
+$template->assign_var_from_handle('ADMIN_CONTENT', 'derivatives');
+?>
\ No newline at end of file
diff --git a/admin/include/functions.php b/admin/include/functions.php
index 85ee0f4f2..0669c8d6d 100644
--- a/admin/include/functions.php
+++ b/admin/include/functions.php
@@ -2054,6 +2054,7 @@ function get_active_menu($menu_page)
       return 4;
 
     case 'configuration':
+    case 'derivatives':
     case 'extend_for_templates':
     case 'menubar':
     case 'themes':
@@ -2247,23 +2248,34 @@ SELECT
   return array_from_query($query, 'user_id');
 }
 
-function clear_derivative_cache($type='all')
+/** delete all derivative files for one or several types */
+function clear_derivative_cache($types='all')
 {
   $pattern='#.*-';
-  if ($type == 'all')
+  if ($types == 'all')
+  {
+    $types = ImageStdParams::get_all_types();
+    $types[] = IMG_CUSTOM;
+  }
+  elseif (!is_array($types))
+  {
+    $types = array($types);
+  }
+
+  if (count($types)>1)
   {
     $type_urls = array();
-    foreach(ImageStdParams::get_all_types() as $dtype)
+    foreach($types as $dtype)
     {
       $type_urls[] = derivative_to_url($dtype);
     }
-    $type_urls[] = derivative_to_url(IMG_CUSTOM);
     $pattern .= '(' . implode('|',$type_urls) . ')';
   }
   else
   {
-    $pattern .= derivative_to_url($type);
+    $pattern .= derivative_to_url($types[0]);
   }
+  
   $pattern.='(_[a-zA-Z0-9]+)*\.[a-zA-Z0-9]{3,4}$#';
   if ($contents = opendir(PHPWG_ROOT_PATH.PWG_DERIVATIVE_DIR))
   {
@@ -2320,7 +2332,7 @@ function clear_derivative_cache_rec($path, $pattern)
         unlink($path.'/index.htm');
       }
       clearstatcache();
-      rmdir($path);
+      @rmdir($path);
     }
     return $rmdir;
   }
diff --git a/admin/themes/default/template/admin.tpl b/admin/themes/default/template/admin.tpl
index 320e11c7c..c04812090 100644
--- a/admin/themes/default/template/admin.tpl
+++ b/admin/themes/default/template/admin.tpl
@@ -84,6 +84,7 @@ jQuery(document).ready(function(){ldelim}
     <dd>
       <ul>
         <li><a href="{$U_CONFIG_GENERAL}">{'Options'|@translate}</a></li>
+				<li><a href="{$U_CONFIG_DERIVATIVES}">{'Derivatives'|@translate}</a></li>
         <li><a href="{$U_CONFIG_MENUBAR}">{'Menu Management'|@translate}</a></li>
         <li><a href="{$U_CONFIG_EXTENTS}">{'Templates'|@translate}</a></li>
         <li><a href="{$U_CONFIG_LANGUAGES}">{'Languages'|@translate}</a></li>
diff --git a/admin/themes/default/template/derivatives.tpl b/admin/themes/default/template/derivatives.tpl
new file mode 100644
index 000000000..212d72db7
--- /dev/null
+++ b/admin/themes/default/template/derivatives.tpl
@@ -0,0 +1,79 @@
+<h2>{'Derivatives'|@translate}</h2>
+
+{html_head}{literal}
+<style type="text/css">
+#derviativesForm .dError {
+	background-color: red;
+	color: yellow;
+}
+
+#derviativesForm .dErrorDesc {
+}
+
+#derviativesForm TABLE THEAD {
+	height: 3em;
+}
+
+#derviativesForm TABLE INPUT[type="text"] {
+	border: 0;
+	width: 5em;
+}
+
+</style>
+{/literal}{/html_head}
+
+<form method="post" id="derviativesForm">
+<table class="table2">
+	<thead>
+	<tr>
+		<td></td>
+		<td>Enabled</td>
+		<td>{'Width'|@translate}</td>
+		<td>{'Height'|@translate}</td>
+		<td>{'Crop'|@translate} (%)</td>
+		<td>{'Min Width'|@translate}</td>
+		<td>{'Min Height'|@translate}</td>
+	</tr>
+	</thead>
+	{foreach from=$derivatives item=d key=type}
+	<tr>
+		<td>{$type|@translate}</td>
+		<td>
+		{if $d.must_enable}
+			x
+		{else}
+			<input type="checkbox" name="d[{$type}][enabled]" {if $d.enabled}checked="checked"{/if}>
+		{/if}
+		</td>
+		<td>
+			<input type="text" name="d[{$type}][w]" value="{$d.w}"{if isset($ferrors.$type.w)}class="dError"{/if}>
+			{if isset($ferrors.$type.w)}<span class="dErrorDesc" title="{$ferrors.$type.w}">!</span>{/if}
+		</td>
+		<td>{if !$d.must_square}
+			<input type="text" name="d[{$type}][h]" value="{$d.h}"{if isset($ferrors.$type.h)}class="dError"{/if}>
+			{if isset($ferrors.$type.h)}<span class="dErrorDesc" title="{$ferrors.$type.h}">!</span>{/if}
+		{/if}</td>
+		<td>{if !$d.must_square}
+			<input type="text" name="d[{$type}][crop]" value="{$d.crop}"{if isset($ferrors.$type.crop)}class="dError"{/if}>
+			{if isset($ferrors.$type.crop)}<span class="dErrorDesc" title="{$ferrors.$type.crop}">!</span>{/if}
+		{/if}</td>
+		<td>{if !$d.must_square}
+			<input type="text" name="d[{$type}][minw]" value="{$d.minw}"{if isset($ferrors.$type.minw)}class="dError"{/if}>
+			{if isset($ferrors.$type.minw)}<span class="dErrorDesc" title="{$ferrors.$type.minw}">!</span>{/if}
+		{/if}</td>
+		<td>{if !$d.must_square}
+			<input type="text" name="d[{$type}][minh]" value="{$d.minh}"{if isset($ferrors.$type.minh)}class="dError"{/if}>
+			{if isset($ferrors.$type.minh)}<span class="dErrorDesc" title="{$ferrors.$type.minh}">!</span>{/if}
+		{/if}</td>
+
+	</tr>
+	{/foreach}
+</table>
+<p><input type="submit" value="{'Submit'|@translate}"></p>
+</form>
+
+{footer_script}{literal}
+jQuery(".dError").bind("focus", function () {
+	jQuery(this).removeClass("dError");
+} );
+{/literal}{/footer_script}
\ No newline at end of file
diff --git a/i.php b/i.php
index 29909ec3b..515876535 100644
--- a/i.php
+++ b/i.php
@@ -167,7 +167,7 @@ function parse_request()
   {
     try
     {
-      $page['derivative_params'] = ImageParams::from_url_tokens($deriv);
+      $page['derivative_params'] = DerivativeParams::from_url_tokens($deriv);
     }
     catch (Exception $e)
     {
@@ -184,6 +184,33 @@ function parse_request()
 }
 
 
+function send_derivative($expires)
+{
+  global $page;
+  $fp = fopen($page['derivative_path'], 'rb');
+
+  $fstat = fstat($fp);
+  header('Last-Modified: '.gmdate('D, d M Y H:i:s', $fstat['mtime']).' GMT');
+  if ($expires!==false)
+  {
+    header('Expires: '.gmdate('D, d M Y H:i:s', $expires).' GMT');
+  }
+  header('Content-length: '.$fstat['size']);
+  header('Connection: close');
+
+  $ctype="application/octet-stream";
+  switch (strtolower($page['derivative_ext']))
+  {
+    case ".jpe": case ".jpeg": case ".jpg": $ctype="image/jpeg"; break;
+    case ".png": $ctype="image/png"; break;
+    case ".gif": $ctype="image/gif"; break;
+  }
+  header("Content-Type: $ctype");
+
+  fpassthru($fp);
+  fclose($fp);
+}
+
 
 $page=array();
 
@@ -221,6 +248,13 @@ if ($derivative_mtime === false or
   $need_generate = true;
 }
 
+$expires=false;
+$now = time();
+if ( $now > (max($src_mtime, $params->last_mod_time) + 24*3600) )
+{// somehow arbitrary - if derivative params or src didn't change for the last 24 hours, we send an expire header for several days
+  $expires = $now + 10*24*3600;
+}
+
 if (!$need_generate)
 {
   if ( isset( $_SERVER['HTTP_IF_MODIFIED_SINCE'] )
@@ -230,7 +264,7 @@ if (!$need_generate)
     header('Expires: '.gmdate('D, d M Y H:i:s', time()+10*24*3600).' GMT', true, 304);
     exit;
   }
-  // todo send pass-through
+  send_derivative($expires);
 }
 
 
@@ -270,23 +304,5 @@ if (!$changes)
 $image->write( $page['derivative_path'] );
 $image->destroy();
 
-$fp = fopen($page['derivative_path'], 'rb');
-
-$fstat = fstat($fp);
-header('Last-Modified: '.gmdate('D, d M Y H:i:s', $fstat['mtime']).' GMT');
-header('Expires: '.gmdate('D, d M Y H:i:s', time()+10*24*3600).' GMT');
-header('Content-length: '.$fstat['size']);
-header('Connection: close');
-
-$ctype="application/octet-stream";
-switch (strtolower($page['derivative_ext']))
-{
-  case ".jpe": case ".jpeg": case ".jpg": $ctype="image/jpeg"; break;
-  case ".png": $ctype="image/png"; break;
-  case ".gif": $ctype="image/gif"; break;
-}
-header("Content-Type: $ctype");
-
-fpassthru($fp);
-fclose($fp);
+send_derivative($expires);
 ?>
\ No newline at end of file
diff --git a/include/derivative_params.inc.php b/include/derivative_params.inc.php
index a84c0f854..42bdfb7d5 100644
--- a/include/derivative_params.inc.php
+++ b/include/derivative_params.inc.php
@@ -278,7 +278,7 @@ final class SizingParams
 
 
 /*how we generate a derivative image*/
-final class ImageParams
+final class DerivativeParams
 {
   public $type = IMG_CUSTOM;
   public $last_mod_time = 0; // used for non-custom images to regenerate the cached files
@@ -289,6 +289,11 @@ final class ImageParams
     $this->sizing = $sizing;
   }
 
+  public function __sleep()
+  {
+      return array('last_mod_time', 'sizing');
+  }
+    
   function add_url_tokens(&$tokens)
   {
     $this->sizing->add_url_tokens($tokens);
@@ -297,7 +302,7 @@ final class ImageParams
   static function from_url_tokens($tokens)
   {
     $sizing = SizingParams::from_url_tokens($tokens);
-    $ret = new ImageParams($sizing);
+    $ret = new DerivativeParams($sizing);
     return $ret;
   }
 
diff --git a/include/derivative_std_params.inc.php b/include/derivative_std_params.inc.php
index 3a6394886..41056cadf 100644
--- a/include/derivative_std_params.inc.php
+++ b/include/derivative_std_params.inc.php
@@ -34,12 +34,12 @@ final class ImageStdParams
   private static $all_type_map = array();
   private static $type_map = array();
   private static $undefined_type_map = array();
-  
+
   static function get_all_types()
   {
     return self::$all_types;
   }
-  
+
   static function get_all_type_map()
   {
     return self::$all_type_map;
@@ -54,36 +54,66 @@ final class ImageStdParams
   {
     return self::$undefined_type_map;
   }
-  
+
   static function get_by_type($type)
   {
     return self::$all_type_map[$type];
   }
-  
+
   static function load_from_db()
   {
-    self::make_default();
+    global $conf;
+    $arr = @unserialize($conf['derivatives']);
+    if (false!==$arr)
+    {
+      self::$type_map = $arr['d'];
+    }
+    else
+    {
+      self::make_default();
+    }
     self::build_maps();
   }
 
   static function load_from_file()
   {
-    self::make_default();
+    global $conf;
+    $arr = @unserialize(@file_get_contents(PHPWG_ROOT_PATH.$conf['data_location'].'derivatives.dat'));
+    if (false!==$arr)
+    {
+      self::$type_map = $arr['d'];
+    }
+    else
+    {
+      self::make_default();
+    }
+    self::build_maps();
+  }
+
+  static function set_and_save($map)
+  {
+    global $conf;
+    self::$type_map = $map;
+
+    $ser = serialize( array(
+      'd' => self::$type_map
+      ) );
+    conf_update_param('derivatives', addslashes($ser) );
+    file_put_contents(PHPWG_ROOT_PATH.$conf['data_location'].'derivatives.dat', $ser);
     self::build_maps();
   }
 
   static function make_default()
   {
-    //todo
-    self::$type_map[IMG_SQUARE] = new ImageParams( SizingParams::square(100,100) );
-    self::$type_map[IMG_THUMB] = new ImageParams( SizingParams::classic(144,144) );
-    self::$type_map[IMG_SMALL] = new ImageParams( SizingParams::classic(240,240) );
-    self::$type_map[IMG_MEDIUM] = new ImageParams( SizingParams::classic(432,432) );
-    self::$type_map[IMG_LARGE] = new ImageParams( SizingParams::classic(648,576) );
-    self::$type_map[IMG_XLARGE] = new ImageParams( SizingParams::classic(864,648) );
-    self::$type_map[IMG_XXLARGE] = new ImageParams( SizingParams::classic(1200,900) );
+    self::$type_map[IMG_SQUARE] = new DerivativeParams( SizingParams::square(100,100) );
+    self::$type_map[IMG_THUMB] = new DerivativeParams( SizingParams::classic(144,144) );
+    self::$type_map[IMG_SMALL] = new DerivativeParams( SizingParams::classic(240,240) );
+    self::$type_map[IMG_MEDIUM] = new DerivativeParams( SizingParams::classic(432,432) );
+    self::$type_map[IMG_LARGE] = new DerivativeParams( SizingParams::classic(648,576) );
+    self::$type_map[IMG_XLARGE] = new DerivativeParams( SizingParams::classic(864,648) );
+    self::$type_map[IMG_XXLARGE] = new DerivativeParams( SizingParams::classic(1200,900) );
   }
-  
+
   private static function build_maps()
   {
     foreach (self::$type_map as $type=>$params)
@@ -110,7 +140,7 @@ final class ImageStdParams
       }
     }
   }
-  
+
 }
 
 ?>
\ No newline at end of file
diff --git a/language/en_UK/common.lang.php b/language/en_UK/common.lang.php
index 2b1534c92..ac36d5c51 100644
--- a/language/en_UK/common.lang.php
+++ b/language/en_UK/common.lang.php
@@ -362,5 +362,12 @@ $lang['Your comment has NOT been registered because it did not pass the validati
 $lang['Your favorites'] = "Your favorites";
 $lang['Your Gallery Customization'] = "Your gallery customization";
 $lang['Your password has been reset'] = 'Your password has been reset';
-
+$lang['square'] = "Square";
+$lang['thumb'] = "Thumb";
+$lang['small'] = "Small";
+$lang['medium'] = "Medium";
+$lang['large'] = "Large";
+$lang['xlarge'] = "XLarge";
+$lang['xxlarge'] = "XXLarge";
+$lang['original'] = "Original";
 ?>
\ No newline at end of file