New standard plugin: Swift Theme Creator (Create new theme elements which can be manually updated later).

git-svn-id: http://piwigo.org/svn/trunk@2445 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 259 insertions, 0 deletions

diff --git a/plugins/SwiftThemeCreator/theme_creator.php b/plugins/SwiftThemeCreator/theme_creator.php
new file mode 100644
index 000000000..8f52010e8
--- /dev/null
+++ b/plugins/SwiftThemeCreator/theme_creator.php
@@ -0,0 +1,259 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008      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.                                                                  |
+// +-----------------------------------------------------------------------+
+
+/* Ajouter le lien au menu de l'admin */
+if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
+if (!defined('IN_ADMIN') or !IN_ADMIN) die('Hacking attempt!');
+
+/*
+ * stc_hex2rgb convert any string to array of RGB values
+ */
+function stc_hex2rgb($color)
+{
+  if ($color[0] == '#') $color = substr($color, 1);
+  if (strlen($color) == 6)
+    list($r, $g, $b) = array($color[0].$color[1],
+                             $color[2].$color[3],
+                             $color[4].$color[5]);
+  else {
+    $color .= $color . $color . '000';
+    list($r, $g, $b) = array($color[0].$color[0],
+                             $color[1].$color[1], 
+                             $color[2].$color[2]);
+  }
+  return array(hexdec($r), hexdec($g), hexdec($b));
+}
+$errors = array();
+$infos = array();
+// +-----------------------------------------------------------------------+
+// |                            selected templates                         |
+// +-----------------------------------------------------------------------+
+if (!isset($swift_theme_creator)) $swift_theme_creator = new ThemeCreator();
+$swift_theme_creator->reload();
+$main = $swift_theme_creator->theme_config;
+
+if (isset($_POST['submit']) and (!is_adviser()))
+{
+  // 1 - Theme name control
+  $main['newtheme'] = strip_tags($_POST['new_theme']);
+  if ( !preg_match('/^[a-z0-9-_]{1,8}$/', $main['newtheme']) ) 
+      array_push($errors,
+         l10n('Invalid theme name: 1 to 8 lowercase alphanumeric characters'
+         . ' including "-" and "_".')); 
+
+  // 2 - Colours control
+  $main['color'] = array($_POST['color1'], $_POST['color2'], 
+                         $_POST['color3'], $_POST['color4'], 
+                         $_POST['color5']);
+  $colors = $main['color'][0] . $main['color'][1] . $main['color'][2] 
+          . $main['color'][3] . $main['color'][4];
+  if ( !preg_match('/^(#?([A-Fa-f0-9]{3}|[A-Fa-f0-9]{6})){5}$/', $colors) ) 
+      array_push($errors,
+         l10n('Invalid color code: 3 or 6 hexadecimal characters, preceded' 
+         . ' or not by "#"')); 
+
+  // 2.1 - Background and text control
+  list($r1,$g1,$b1) = stc_hex2rgb($main['color'][0]);
+  list($r2,$g2,$b2) = stc_hex2rgb($main['color'][1]);
+  // Formula for converting RGB values to YIQ values as perceived brightness difference.
+  // Background and text "brightness" difference control:
+  $dif = abs( ( (($r1*299)+($g1*587)+($b1*114)) / 1000 )
+          - ( (($r2*299)+($g2*587)+($b2*114)) / 1000 ));
+  if ( $dif < 125 )
+      array_push($errors,
+       l10n('Insufficient brightness difference between text and background. dif=') . $dif); 
+  // Background and text "colour" difference control:
+  $dif = (max($r1, $r2) - min($r1, $r2)) 
+     + (max($g1, $g2) - min($g1, $g2)) 
+     + (max($b1, $b2) - min($b1, $b2));
+  if ( $dif < 200 )
+    array_push($errors,
+       l10n('Insufficient colour difference between text and background. dif=') . $dif); 
+
+  // 2.2 - Background and Internal links control
+  list($r1,$g1,$b1) = stc_hex2rgb($main['color'][0]);
+  list($r2,$g2,$b2) = stc_hex2rgb($main['color'][2]);
+  // Background and Internal links "brightness" difference control:
+  $dif = abs( ( (($r1*299)+($g1*587)+($b1*114)) / 1000 )
+          - ( (($r2*299)+($g2*587)+($b2*114)) / 1000 ));
+  if ( $dif < 125 )
+      array_push($errors,
+       l10n('Insufficient brightness difference between Internal links and background. dif=') . $dif); 
+  // Background and Internal links "colour" difference control:
+  $dif = (max($r1, $r2) - min($r1, $r2)) 
+     + (max($g1, $g2) - min($g1, $g2)) 
+     + (max($b1, $b2) - min($b1, $b2));
+  if ( $dif < 200 )
+    array_push($errors,
+       l10n('Insufficient colour difference between Internal links and background. dif=') . $dif); 
+
+  // 3 - Directory control
+  $available_templates = array();
+  $template_dir = PHPWG_ROOT_PATH.'template';
+  foreach (get_dirs($template_dir) as $dir)
+  {
+    array_push($available_templates, $dir);
+  }
+  $templatedir = PHPWG_ROOT_PATH . 'template/' 
+               . $available_templates[$_POST['template']];
+  $themedir = $templatedir . '/' . $main['newtheme'];
+  if (is_dir(  $themedir )) 
+    array_push($errors,
+       '['.$themedir.'] : '.l10n('Invalid theme: This theme exists already (no override available).')); 
+  elseif (!is_writable($templatedir))
+    array_push($errors,
+       '['.$templatedir.'] : '.l10n('no_write_access'));
+
+  // 4 - Picture URL control
+  // 5 - Width and Height control
+  // 6 - Generate missing colors values
+
+
+  // Lors du parse si le second arg est à true, on récupère le résultat
+  // http://www.barelyfitz.com/projects/csscolor/csscolor.zip
+
+  /*
+   * Build background image for titrePage or definition list (in #menubar)
+   **/
+  $img = imagecreatefrompng(dirname(__FILE__) . '/titrePage-bg.png');
+  $dest = imagecreate(1, 64);
+  for ($i=0; $i<256; $i++) {
+    imagecolorallocate($dest, $i, $i, $i); 
+  }
+  imagecopy($dest, $img, 0, 0, 0, 0, 1, 64);
+  list($r1,$g1,$b1) = stc_hex2rgb($main['color'][4]);
+  for ($i = 0; $i < 256; $i++) {
+    imagecolorset($dest, $i, min($i * $r1 / 255, 255), 
+                   min($i * $g1 / 255, 255), 
+                   min($i * $b1 / 255, 255));
+  }
+  // to be tested imagecopymerge($dest,$img,0,0,0,0,1,64,33);
+  
+  // Uncomment to create the header stc.png
+  // imagepng( $dest, dirname(__FILE__) . '/stc.png', 9 );
+  imagedestroy ($img);
+  imagedestroy ($dest);
+
+  /* en gros reste à faire:
+   * creation de la directory 
+   * creation des différents fichiers
+   * parse pour theme.css et ecriture directe pour les autres  
+   */
+
+  // Go ahead 
+  if (count($errors) == 0) {
+    umask(0000);
+    // mkdir($themedir, 0777);
+    if (!is_dir(  $themedir ))
+        array_push($errors,
+          l10n('Theme directory creation failure: it can\'t be created (for now en attendant la suite 8-) ).'));
+  }
+  $swift_theme_creator->save_theme_config();  
+}
+
+// +-----------------------------------------------------------------------+
+// |                            reset values
+// +-----------------------------------------------------------------------+
+
+// To be implemented delete $main save and redirect
+
+// Don't forget to re-read because some statements are superfluous
+ 
+// +-----------------------------------------------------------------------+
+// |                            template initialization
+// +-----------------------------------------------------------------------+
+$template->set_filenames(array(
+    'plugin_admin_content' => dirname(__FILE__) . '/theme_creator.tpl'));
+$template->append('head_elements',
+  '<script type="text/javascript" src="./plugins/SwiftThemeCreator/farbtastic/farbtastic.js"></script>
+<link rel="stylesheet" href="./plugins/SwiftThemeCreator/farbtastic/farbtastic.css" type="text/css" />
+<style type="text/css" media="screen">
+.colorwell { border: 3px double #F30; width: 6em; text-align: center; cursor: pointer; }
+body .colorwell-selected { border: 3px double #F36; font-weight: bold; }
+.radio { margin: 0 10px 0 50px; }
+</style>'
+    );
+
+/* Templates */
+$template->assign('template_options', $available_templates);
+if (!isset($main['template_options'])) $main['template_options'] = 0; 
+
+/* New theme */
+if (isset($_POST['new_theme'])) $main['new_theme'] = $_POST['new_theme'];
+
+/* Colors */
+if (isset($_POST['color1'])) $main['color1'] = $_POST['color1'];
+if (isset($_POST['color2'])) $main['color2'] = $_POST['color2'];
+if (isset($_POST['color3'])) $main['color3'] = $_POST['color3'];
+if (isset($_POST['color4'])) $main['color4'] = $_POST['color4'];
+if (isset($_POST['color5'])) $main['color5'] = $_POST['color5'];
+if (!isset($main['color1'])) $main['color1'] = '#111111'; 
+if (!isset($main['color2'])) $main['color2'] = '#EEEEEE'; 
+if (!isset($main['color3'])) $main['color3'] = '#FF7700'; 
+if (!isset($main['color4'])) $main['color4'] = '#FF3333'; 
+if (!isset($main['color5'])) $main['color5'] = '#FF3363'; 
+
+/* header */
+if (isset($_POST['background'])) $main['background'] = $_POST['background'];
+if (!isset($main['background'])) $main['background'] = 'off'; 
+$template->assign('background_options',
+  array(
+    'off' => l10n('No'),
+    'random' => l10n('24H Random'),
+    'fixed' => l10n('Fixed URL'),
+  ));
+
+$query = '
+SELECT id,name,uppercats,global_rank
+  FROM ' . CATEGORIES_TABLE . ';';
+display_select_cat_wrapper($query,array(),'src_category');
+if (isset($_POST['src_category'])) $main['src_category'] = 
+    $_POST['src_category'];
+
+$main['picture_url'] = get_absolute_root_url() 
+                     . 'plugins/SwiftThemeCreator/sample.jpg';
+if (isset($swift_theme_creator->picture_url)) 
+    $main['picture_url'] = $swift_theme_creator->picture_url;
+if (isset($_POST['picture_url'])) $main['picture_url'] = $_POST['picture_url'];
+
+if (isset($_POST['picture_width'])) $main['picture_width'] = $_POST['picture_width'];
+if (!isset($main['picture_width'])) $main['picture_width'] = 2048; 
+if (isset($_POST['picture_height'])) $main['picture_height'] = $_POST['picture_height'];
+if (!isset($main['picture_height'])) $main['picture_height'] = 100; 
+
+if (isset($_POST['background_mode'])) 
+      $main['background_mode'] = $_POST['background_mode'];
+if (!isset($main['background_mode'])) $main['background_mode'] = 'as'; 
+$template->assign('background_mode_options',
+  array(
+    'as' => l10n('As is'),
+    'crop' => l10n('Truncated'),
+    'sized' => l10n('Resized'),
+  ));
+if (count($errors) != 0) $template->assign('errors', $errors);
+/* Restore Main values */
+$template->assign('main', $main);
+$template->assign_var_from_handle('ADMIN_CONTENT', 'plugin_admin_content');
+$swift_theme_creator->theme_config = $main;
+$swift_theme_creator->save_theme_config();
+?>
\ No newline at end of file