# HG changeset patch
# User Dan
# Date 1210900144 14400
# Node ID 023a21c8f47c5c32547be0e5b561dfb3ed7d4076
# Parent  d9f37d2ea2cf0b6f21a7543066972b1164c744c8
Added support for embedding Snapr images as wikitext code into regular pages

diff -r d9f37d2ea2cf -r 023a21c8f47c plugins/Gallery.php
--- a/plugins/Gallery.php	Sat Feb 23 16:02:15 2008 -0500
+++ b/plugins/Gallery.php	Thu May 15 21:09:04 2008 -0400
@@ -4,7 +4,7 @@
 Plugin URI: http://enanocms.org/Enano.Img_Gallery
 Description: Provides an intuitive image gallery system with a browser, viewer for individual images, upload interface, and comment system integration.
 Author: Dan Fuhry
-Version: 0.1 beta 1
+Version: 0.1 beta 2
 Author URI: http://enanocms.org/
 */
 
@@ -67,5 +67,6 @@
 require( ENANO_ROOT . '/plugins/gallery/fetcher.php' );
 require( ENANO_ROOT . '/plugins/gallery/search.php' );
 require( ENANO_ROOT . '/plugins/gallery/sidebar.php' );
+require( ENANO_ROOT . '/plugins/gallery/imagetag.php' );
 
 ?>
diff -r d9f37d2ea2cf -r 023a21c8f47c plugins/gallery/fetcher.php
--- a/plugins/gallery/fetcher.php	Sat Feb 23 16:02:15 2008 -0500
+++ b/plugins/gallery/fetcher.php	Thu May 15 21:09:04 2008 -0400
@@ -34,7 +34,7 @@
   // sleep(5);
   
   $type = $paths->getParam(0);
-  if ( !in_array($type, array('thumb', 'preview', 'full')) )
+  if ( !in_array($type, array('thumb', 'preview', 'full', 'embed')) )
   {
     die('Hack attempt');
   }
@@ -87,6 +87,32 @@
         default: $mimetype = 'application/octet-stream';
       }
       break;
+    case 'embed':
+      if ( !isset($_GET['width']) || !isset($_GET['height']) )
+      {
+        die('Missing width or height.');
+      }
+      $src_filename  = ENANO_ROOT . '/files/' . $row['img_filename'];
+      $dest_filename = ENANO_ROOT . '/cache/' . $row['img_filename'] . "-embed-$width-$height.$ext";
+      $filename =& $dest_filename;
+      $ext = get_file_extension($filename);
+      
+      $width = intval($_GET['width']);
+      $height = intval($_GET['height']);
+      if ( empty($width) || empty($height) || $width > 2048 || $height > 2048 )
+      {
+        die('Bad width or height');
+      }
+      
+      if ( !file_exists($dest_filename) )
+      {
+        if ( !scale_image($src_filename, $dest_filename, $width, $height, false) )
+        {
+          die('Image scaling process failed.');
+        }
+      }
+      
+      break;
     default:
       die('PHP...insane...');
       break;
diff -r d9f37d2ea2cf -r 023a21c8f47c plugins/gallery/imagetag.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/gallery/imagetag.php	Thu May 15 21:09:04 2008 -0400
@@ -0,0 +1,259 @@
+<?php
+
+/*
+ * Snapr
+ * Version 0.1 beta 1
+ * Copyright (C) 2007 Dan Fuhry
+ *
+ * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
+ */
+
+// Add an [[:Image:foo]] tag handler to the wiki formatter
+$plugins->attachHook('render_wikiformat_pre', 'snapr_process_image_tags($text);');
+
+function snapr_process_image_tags(&$text)
+{
+  $text = snapr_image_tags_stage1($text, $taglist);
+  $text = snapr_image_tags_stage2($text, $taglist);
+}
+
+/*
+ * Functions copied from render.php
+ */
+
+/**
+ * Changes wikitext image tags to HTML.
+ * @param string The wikitext to process
+ * @param array Will be overwritten with the list of HTML tags (the system uses tokens for TextWiki compatibility)
+ * @return string
+ */
+
+function snapr_image_tags_stage1($text, &$taglist)
+{
+  global $db, $session, $paths, $template, $plugins; // Common objects
+  
+  static $idcache = array();
+  
+  $s_delim = "\xFF";
+  $f_delim = "\xFF";
+  $taglist = array();
+  
+  // Wicked huh?
+  $regex = '/\[\[:' . str_replace('/', '\\/', preg_quote($paths->nslist['Gallery'])) . '([\w\s0-9_\(\)!@%\^\+\|\.-]+?)((\|thumb)|(\|([0-9]+)x([0-9]+)))?(\|left|\|right)?(\|raw|\|(.+))?\]\]/i';
+  
+  preg_match_all($regex, $text, $matches);
+  
+  foreach ( $matches[0] as $i => $match )
+  {
+    $full_tag   =& $matches[0][$i];
+    $imagename  =& $matches[1][$i];
+    $scale_type =& $matches[2][$i];
+    $width      =& $matches[5][$i];
+    $height     =& $matches[6][$i];
+    $clear      =& $matches[7][$i];
+    $caption    =& $matches[8][$i];
+    
+    // determine the image name
+    $imagename = sanitize_page_id($imagename);
+    if ( isset($idcache[$imagename]) )
+    {
+      $found_image_id = true;
+      $filename =& $idcache[$imagename];
+    }
+    else
+    {
+      $found_image_id = false;
+      // get the image ID
+      // Ech... he sent us a string... parse it and see what we get
+      if ( strstr($imagename, '/') )
+      {
+        $folders = explode('/', $imagename);
+      }
+      else
+      {
+        $folders = array($imagename);
+      }
+      foreach ( $folders as $i => $_crap )
+      {
+        $folder =& $folders[$i];
+        $folder = dirtify_page_id($folder);
+        $folder = str_replace('_', ' ', $folder);
+      }
+      unset($folder);
+      
+      $folders = array_reverse($folders);
+      // This is one of the best MySQL tricks on the market. We're going to reverse-travel a folder path using LEFT JOIN and the incredible power of metacoded SQL
+      $sql = 'SELECT g0.img_id, g0.img_title, g0.img_desc, g0.print_sizes, g0.img_time_upload, g0.img_time_mod, g0.img_filename, g0.folder_parent, g0.img_tags FROM '.table_prefix.'gallery AS g0';
+      $where = "\n  " . 'WHERE g0.img_title=\'' . $db->escape($folders[0]) . '\'';
+      foreach ( $folders as $i => $folder )
+      {
+        if ( $i == 0 )
+          continue;
+        $i_dec = $i - 1;
+        $folder = $db->escape($folder);
+        $sql .= "\n  LEFT JOIN ".table_prefix."gallery AS g{$i}\n    ON ( g{$i}.img_id=g{$i_dec}.folder_parent AND g{$i}.img_title='$folder' )";
+        $where .= "\n    ".'AND g'.$i.'.img_id IS NOT NULL';
+      }
+      $where .= "\n    AND g{$i}.folder_parent IS NULL";
+      $sql .= $where . ';';
+      
+      if ( !$db->sql_query($sql) )
+      {
+        $db->_die('The image metadata could not be loaded.');
+      }
+      
+      if ( $db->numrows() > 0 )
+      {
+        $found_image_id = true;
+        $row = $db->fetchrow();
+        $db->free_result();
+        $idcache[$imagename] = $row['img_id'];
+        $filename =& $idcache[$imagename];
+      }
+    }
+    
+    if ( !$found_image_id )
+    {
+      $text = str_replace($full_tag, '[[' . makeUrlNS('Gallery', $imagename) . ']]', $text);
+      continue;
+    }
+    
+    if ( $scale_type == '|thumb' )
+    {
+      $r_width  = 225;
+      $r_height = 225;
+      
+      $url = makeUrlNS('Special', 'GalleryFetcher/embed/' . $filename, 'width=' . $r_width . '&height=' . $r_height, true);
+    }
+    else if ( !empty($width) && !empty($height) )
+    {
+      $r_width = $width;
+      $r_height = $height;
+      
+      $url = makeUrlNS('Special', 'GalleryFetcher/embed/' . $filename, 'width=' . $r_width . '&height=' . $r_height, true);
+    }
+    else
+    {
+      $url = makeUrlNS('Special', 'GalleryFetcher/' . $filename);
+    }
+    
+    $img_tag = '<img src="' . $url . '" ';
+    
+    // if ( isset($r_width) && isset($r_height) && $scale_type != '|thumb' )
+    // {
+    //   $img_tag .= 'width="' . $r_width . '" height="' . $r_height . '" ';
+    // }
+    
+    $img_tag .= 'style="border-width: 0px; /* background-color: white; */" ';
+    
+    $code = $plugins->setHook('snapr_img_tag_parse_img');
+    foreach ( $code as $cmd )
+    {
+      eval($cmd);
+    }
+    
+    $img_tag .= '/>';
+    
+    $complete_tag = '';
+    
+    if ( !empty($scale_type) && $caption != '|raw' )
+    {
+      $complete_tag .= '<div class="thumbnail" ';
+      $clear_text = '';
+      if ( !empty($clear) )
+      {
+        $side = ( $clear == '|left' ) ? 'left' : 'right';
+        $opposite = ( $clear == '|left' ) ? 'right' : 'left';
+        $clear_text .= "float: $side; margin-$opposite: 20px; width: {$r_width}px;";
+        $complete_tag .= 'style="' . $clear_text . '" ';
+      }
+      $complete_tag .= '>';
+      
+      $complete_tag .= '<a href="' . makeUrlNS('Gallery', $filename) . '" style="display: block;">';
+      $complete_tag .= $img_tag;
+      $complete_tag .= '</a>';
+      
+      $mag_button = '<a href="' . makeUrlNS('Gallery', $filename) . '" style="display: block; float: right; clear: right; margin: 0 0 10px 10px;"><img alt="[ + ]" src="' . scriptPath . '/images/thumbnail.png" style="border-width: 0px;" /></a>';
+    
+      if ( !empty($caption) )
+      {
+        $cap = substr($caption, 1);
+        $complete_tag .= $mag_button . $cap;
+      }
+      
+      $complete_tag .= '</div>';
+    }
+    else if ( $caption == '|raw' )
+    {
+      $complete_tag .= "$img_tag";
+      $taglist[$i] = $complete_tag;
+      
+      $repl = "{$s_delim}e_img_{$i}{$f_delim}";
+      $text = str_replace($full_tag, $repl, $text);
+      continue;
+    }
+    else
+    {
+      $complete_tag .= '<a href="' . makeUrlNS('Gallery', $filename) . '" style="display: block;"';
+      $code = $plugins->setHook('snapr_img_tag_parse_link');
+      foreach ( $code as $cmd )
+      {
+        eval($cmd);
+      }
+      $complete_tag .= '>';
+      $complete_tag .= $img_tag;
+      $complete_tag .= '</a>';
+    }
+    
+    $complete_tag .= "\n\n";
+    $taglist[$i] = $complete_tag;
+    
+    $pos = strpos($text, $full_tag);
+    
+    while(true)
+    {
+      $check1 = substr($text, $pos, 3);
+      $check2 = substr($text, $pos, 1);
+      if ( $check1 == '<p>' || $pos == 0 || $check2 == "\n" )
+      {
+        // die('found at pos '.$pos);
+        break;
+      }
+      $pos--;
+    }
+    
+    $repl = "{$s_delim}e_img_{$i}{$f_delim}";
+    $text = substr($text, 0, $pos) . $repl . substr($text, $pos);
+    
+    $text = str_replace($full_tag, '', $text);
+    
+    unset($full_tag, $filename, $scale_type, $width, $height, $clear, $caption, $r_width, $r_height);
+    
+  }
+  
+  return $text;
+}
+
+/**
+ * Finalizes processing of image tags.
+ * @param string The preprocessed text
+ * @param array The list of image tags created by RenderMan::process_image_tags()
+ */
+ 
+function snapr_image_tags_stage2($text, $taglist)
+{
+  $s_delim = "\xFF";
+  $f_delim = "\xFF";
+  foreach ( $taglist as $i => $tag )
+  {
+    $repl = "{$s_delim}e_img_{$i}{$f_delim}";
+    $text = str_replace($repl, $tag, $text);
+  }               
+  return $text;
+}
+
+?>