Create FUNDING.yml

[mirrors/DokuWiki-Plugin-SVGEdit.git] / syntax.php

diff --git a/syntax.php b/syntax.php
index cc1945459666c1af271efc454615ff174764bec7..e52c01683e2ba7274b80faca8a56fc36121ecc1b 100755 (executable)
--- a/syntax.php
+++ b/syntax.php
@@ -26,7 +26,7 @@ class syntax_plugin_svgedit extends DokuWiki_Syntax_Plugin {
     function getInfo() { 
             return array('author' => 'Thomas Mudrunka',
                          'email'  => 'harvie--email-cz',
-                         'date'   => '2010-02-21',
+                         'date'   => '2010-06-20',
                          'name'   => 'SVG-Edit Plugin',
                          'desc'   => 'Nice way, to create, store, edit and embed SVG images into DokuWiki',
                          'url'    => 'http://www.dokuwiki.org/plugin:svgedit'
@@ -38,41 +38,70 @@ class syntax_plugin_svgedit extends DokuWiki_Syntax_Plugin {
     function getPType() { return 'block'; }
 
     function connectTo($mode) {  
-        $this->Lexer->addSpecialPattern("{{svg>.+?}}", $mode, 'plugin_svgedit');  
-        $this->Lexer->addSpecialPattern("{{SVG>.+?}}", $mode, 'plugin_svgedit');  
+        $this->Lexer->addSpecialPattern("{{ ?svg>.+?}}", $mode, 'plugin_svgedit');
+        $this->Lexer->addSpecialPattern("{{ ?SVG>.+?}}", $mode, 'plugin_svgedit');
                                $this->Lexer->addSpecialPattern("<svg.+?</svg>", $mode, 'plugin_svgedit');
     } 
 
-    function handle($match, $state, $pos, &$handler) {
+    function handle($match, $state, $pos, Doku_Handler $handler) {
                                $type = substr($match,0,4);
         return array($type, $match); 
     }
 
-    function render($format, &$renderer, $data) {
+               function svg_base64_encode($svg) { //create base64 encoded svg for use as svglink in svg_format_embed
+                       return 'data:image/svg+xml;base64,'.base64_encode($svg).'" type="image/svg+xml';
+               }
+
+               function svg_format_embed($svglink, $title, $svg_parameters, $align='') { //create xhtml code for svg embeding
+                               global $ID;
+
+                               //use object tag for stupid browsers (like firefox) - ugly (relies on browser identification)
+                               $is_webkit= preg_match('/webkit/', strtolower($_SERVER['HTTP_USER_AGENT']));
+                               if ($is_webkit) $svgtag='img src';
+                               else $svgtag='object '.$svg_parameters.' data';
+                               $svgtag_close = array_shift(preg_split('/ /', $svgtag, 2));
+
+                               return '<a href="'.$svglink.'" type="image/svg+xml" /><'.$svgtag.'="'.$svglink.'" class="media'.$align.'" alt="'.$title.'" title="'.$title.'" type="image/svg+xml">'."</$svgtag_close></a>";
+               }
+
+    function render($format, Doku_Renderer $renderer, $data) {
                                if ($format!='xhtml') return;
                                global $ID;
 
-//                             $renderer->doc .= "<!-- _X_X_ ".  strtolower($_SERVER['HTTP_USER_AGENT']) .  "-->";
-                               $is_webkit= preg_match('/webkit/',  strtolower($_SERVER['HTTP_USER_AGENT'])  ); // dirty, but fast /n3k/
-                               if ($is_webkit) { $svgtag='<img src="' ; }
-                               else  { $svgtag='<object data="'; }
+                               $svg_wiki_page = trim(substr($data[1], 6, -2)); //name of wiki page containing SVG image
+                               resolve_pageid(getNS($ID),$svg_wiki_page,$exists); //resolve relative IDs
+
+                               //detect image size for stupid browsers (like firefox) - ugly (fails if svg does not contain information about it's size)
+                               $svg_dimensions = '';
+                               preg_match('/width="[0-9]+" height="[0-9]+"/', $data[1].rawWiki($svg_wiki_page), $_);
+                               if(isset($_[0])) $svg_dimensions = $_[0];
+
+                               // Check alignment
+                               $ralign = (bool)preg_match('/^\{\{ /',$data[1]);
+                               $lalign = (bool)preg_match('/ \}\}$/',$data[1]);
+
+                               switch(true) {
+                                       case $lalign & $ralign: $align='center'; break;
+                                       case $ralign: $align='right'; break;
+                                       case $lalign: $align='left'; break;
+                                       default: $align='';
+                               }
+
                                if($data[0]==='<svg') {
-                                       $svgenc = 'data:image/svg+xml;base64,'.base64_encode($data[1]).'" type="image/svg+xml';
-                                       $renderer->doc .= '<a href="'.$svgenc.'" type="image/svg+xml" />'.$svgtag.$svgenc.'" alt="svg-image@'.$ID.'" /></a>'."<br />";
+                                       $svgenc = $this->svg_base64_encode($data[1]);
+                                       $renderer->doc .= $this->svg_format_embed($svgenc, 'inline-svg@'.$ID, $svg_dimensions);
                                        return true;
                                }
-                               if($data[0]==='{{sv') {
-                                       $data[1] = trim(substr($data[1], 6, -2));
-                                       $svgenc = exportlink($data[1],'svg');
-                                       $renderer->doc .= '<a href="'.$svgenc.'" type="image/svg+xml" />'.$svgtag.$svgenc.'" alt="image:'.htmlspecialchars($data[1]).'" type="image/svg+xml"/></a><br />';
-                                       $renderer->doc .= html_wikilink($data[1],'svg@'.$data[1]);
+                               if($data[0]==='{{sv' || $data[0]==='{{ s') {
+                                       $svglink = exportlink($svg_wiki_page,'svg');
+                                       $renderer->doc .= $this->svg_format_embed($svglink, 'image:'.htmlspecialchars($svg_wiki_page), $svg_dimensions, $align);
+                                       $renderer->doc .= '<br /><small>'.html_wikilink($svg_wiki_page,'svg@'.$svg_wiki_page).'</small>';
                return true;
                                }
-                               if($data[0]==='{{SV') {
-                                       $data[1] = trim(substr($data[1], 6, -2));
-                                       $svgenc = 'data:image/svg+xml;base64,'.base64_encode(rawWiki($data[1])).'" type="image/svg+xml';
-                                       $renderer->doc .= '<a href="'.$svgenc.'" type="image/svg+xml" />'.$svgtag.$svgenc.'" alt="image:'.htmlspecialchars($data[1]).'" /></a><br />'; 
-                                       $renderer->doc .= html_wikilink($data[1],'SVG@'.$data[1]);
+                               if($data[0]==='{{SV' || $data[0]==='{{ S') {
+                                       $svgenc = $this->svg_base64_encode(rawWiki($svg_wiki_page));
+                                       $renderer->doc .= $this->svg_format_embed($svgenc, 'image:'.htmlspecialchars($svg_wiki_page), $svg_dimensions, $align);
+                                       $renderer->doc .= '<br /><small>'.html_wikilink($svg_wiki_page,'SVG@'.$svg_wiki_page).'</small>';
                return true;
                                }
     }