--- /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;
+}
+
+?>