From 7216538165621816dc3f751adc0746bf66805421 Mon Sep 17 00:00:00 2001
From: Andreas Gohr <gohr@cosmocode.de>
Date: Mon, 31 Jan 2011 14:00:32 +0100
Subject: Make diff type selectable

---
 inc/html.php | 46 +++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 41 insertions(+), 5 deletions(-)

(limited to 'inc/html.php')

diff --git a/inc/html.php b/inc/html.php
index b962c6075..7abb05d2e 100644
--- a/inc/html.php
+++ b/inc/html.php
@@ -870,13 +870,18 @@ function html_backlinks(){
  * show diff
  *
  * @author Andreas Gohr <andi@splitbrain.org>
+ * @param  string $text - compare with this text with most current version
+ * @param  bool   $intr - display the intro text
  */
-function html_diff($text='',$intro=true){
+function html_diff($text='',$intro=true,$type=null){
     global $ID;
     global $REV;
     global $lang;
     global $conf;
 
+    if(!$type) $type = $_REQUEST['difftype'];
+    if($type != 'inline') $type = 'sidebyside';
+
     // we're trying to be clever here, revisions to compare can be either
     // given as rev and rev2 parameters, with rev2 being optional. Or in an
     // array in rev2.
@@ -993,17 +998,48 @@ function html_diff($text='',$intro=true){
     $df = new Diff(explode("\n",htmlspecialchars($l_text)),
         explode("\n",htmlspecialchars($r_text)));
 
-    $tdf = new TableDiffFormatter();
+    if($type == 'inline'){
+        $tdf = new InlineDiffFormatter();
+    } else {
+        $tdf = new TableDiffFormatter();
+    }
+
+
+
     if($intro) print p_locale_xhtml('diff');
 
     if (!$text) {
-        $diffurl = wl($ID, array('do'=>'diff', 'rev2[0]'=>$l_rev, 'rev2[1]'=>$r_rev));
         ptln('<p class="difflink">');
-        ptln('  <a class="wikilink1" href="'.$diffurl.'">'.$lang['difflink'].'</a>');
+
+        $form = new Doku_Form(array('action'=>wl()));
+        $form->addHidden('ID',$ID);
+        $form->addHidden('rev2[0]',$l_rev);
+        $form->addHidden('rev2[1]',$r_rev);
+        $form->addHidden('do','diff');
+        $form->addElement(form_makeListboxField(
+                            'difftype',
+                            array(
+                                'sidebyside' => $lang['diff_side'],
+                                'inline'     => $lang['diff_inline']),
+                            $type,
+                            $lang['diff_type'],
+                            '','',
+                            array('class'=>'quickselect')));
+        $form->addElement(form_makeButton('submit', 'diff','Go'));
+        $form->printForm();
+
+
+        $diffurl = wl($ID, array(
+                        'do'       => 'diff',
+                        'rev2[0]'  => $l_rev,
+                        'rev2[1]'  => $r_rev,
+                        'difftype' => $type,
+                      ));
+        ptln('<br /><a class="wikilink1" href="'.$diffurl.'">'.$lang['difflink'].'</a>');
         ptln('</p>');
     }
     ?>
-    <table class="diff">
+    <table class="diff diff_<?php echo $type?>">
     <tr>
     <th colspan="2" <?php echo $l_minor?>>
     <?php echo $l_head?>
-- 
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