removed mods directory from the ATutor codebase

[atutor.git] / mods / wiki / plugins / action / diff.php

diff --git a/mods/wiki/plugins/action/diff.php b/mods/wiki/plugins/action/diff.php
deleted file mode 100644 (file)
index 0bc8915..0000000
--- a/mods/wiki/plugins/action/diff.php
+++ /dev/null
@@ -1,86 +0,0 @@
-<?php
-
-/*
-  this is the "stupid diff", which shows up changes between two
-  saved versions of a WikiPage; even if working very unclean it
-  allows to see what has changed
-  it is accessible through the "info about page" action
-*/
-
-
-
- $ewiki_plugins["action"]["diff"] = "ewiki_page_stupid_diff";
- $ewiki_config["action_links"]["info"]["diff"] = "diff";
-
-
-
- function ewiki_page_stupid_diff($id, $data, $action) {
-
-
-    if ($uu=$GLOBALS["ewiki_diff_versions"]) {
-       list($new_ver, $old_ver) = $uu;
-       $data = ewiki_db::GET($id, $new_ver);
-    }
-    else {
-       $new_ver = $data["version"];
-       $old_ver = $new_ver - 1;
-    }
-    if ($old_ver > 0) {
-       $data0 = ewiki_db::GET($id, $old_ver);
-    }
-
-    $o = ewiki_make_title($id, "Differences between version $new_ver and $old_ver of »{$id}«");
-
-    $o .= ewiki_stupid_diff($data["content"], $data0["content"]);
-
-    return($o);
- }
-
-
- function ewiki_stupid_diff($new, $old, $show_unchanged=1, $informational=0) {
-
-    $old = preg_split("/\s*\n/", trim($old));
-    $new = preg_split("/\s*\n/", trim($new));
-
-    $diff_rm = array_diff($old, $new);
-    $diff_add = array_diff($new, $old);
-    if ($informational) {
-       $i = array_intersect($new, $old);
-       if (empty($i)) {
-          if (count($diff_add) >= (6.5 * count(array_unique($diff_rm)))) {
-             $o .= '<div class="note"><b>(overwritten with previous[?] content)</b></div>' . "\n";
-             $diff_add = array();
-          }
-          elseif ($diff_rm) {
-             $o .= '<div class="note"><b>(previous content completely removed)</b></div>' . "\n";
-             $diff_rm = array();
-          }
-       }
-    }
-
-    foreach ($new as $i=>$line) {
-    
-       $i2 = $i;
-       while ($rm = $diff_rm[$i2++]) {
-          $o .= '<div class="del"><b>-</b><font color="#990000"> <tt>' . htmlentities($rm) . "</tt></font></div>\n";
-          unset($diff_rm[$i2-1]);
-       }
-
-       if (in_array($line, $diff_add)) {
-          $o .= '<div class="add"><b>+</b><font color="#009900"> <tt>' . htmlentities($line) . "</tt></font></div>\n";
-       }
-       elseif ($show_unchanged) {
-          $o .= "<div><b>&nbsp;</b> " . htmlentities($line) . "</div>\n";
-       }
-
-    }
-
-    foreach ($diff_rm as $rm) {
-       $o .= '<div class="del"><b>-</b><font color="#990000"> <tt>' . htmlentities($rm) . "</tt></font></div>\n";
-    }
-    
-    return('<div class="diff">' . $o . '</div>');
- }
-
-
-?>
\ No newline at end of file