- old versions may be reviewed and restored

- removed explicit replacement of '<' and '>', fix for first bug in: http://www.yacy-forum.de/viewtopic.php?t=3485

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3329 6c8d7289-2bf4-0310-a012-ef5d649a1542

htroot/Wiki.html

@@ -23,7 +23,10 @@
       <a href="Wiki.html">Start Page</a> -
       <a href="Wiki.html?index=Index">Index</a> -
       <a href="Wiki.html?page=#[pagename]#&amp;diff=">Versions</a> -
-      #(access)#<a href="Wiki.html?access=all">Grant Write Access to Everybody</a>::<a href="Wiki.html?access=admin">Grant Write Access to Admin only</a>#(/access)#
+      <form method="post" action="Wiki.html">
+        <label for="access">Grant Write Access to</label>
+        #(access)#<input type="submit" name="access" value="all" />::<input type="submit" name="access" value="admin" />#(/access)#
+      </form>
     </p>
     ::
     <!-- 1: edit -->
@@ -117,12 +120,14 @@
     <form method="get" action="Wiki.html">
       <fieldset><legend>Select versions of page '#[page]#</legend>
         <input type="hidden" name="page" value="#[page]#" />
+        <input type="hidden" name="diff" value="" />
         <dl>
           <dt><label for="old">Compare version from</label>:</dt>
           <dd>
             <select id="old" name="old">#{versions}# 
               <option value="#[date]#"#(oldselected)#:: selected="selected"#(/oldselected)#>#[fdate]#</option>#{/versions}# 
             </select>
+            <input type="submit" name="viewold" value="Show" />
           </dd>
           <dt><label for="new">with version from</label>:</dt>
           <dd>
@@ -131,7 +136,7 @@
               <option value="#[date]#"#(newselected)#:: selected="selected"#(/newselected)#>#[fdate]#</option>#{/versions}# 
             </select>
           </dd>
-          <dt><input type="submit" name="diff" value="Compare" /></dt>
+          <dt><input type="submit" name="compare" value="Compare" /></dt>
         </dl>
       </fieldset>
     </form>
@@ -139,7 +144,50 @@
     <p class="error">IO Error reading wiki database: #[message]#</p>
     ::<!-- no entries available for #[name]# -->
     #(/error)#
+    #(versioning)#
+    ::<!-- 1: View diff -->
     #[diff]#
+    ::<!-- 2: View selected version -->
+    <h2>Preview</h2>
+    <p>No changes have been submitted so far!</p>
+    <div class="Post">
+      <h2 class="PostSubject">YaCyWiki page: #[pagename]#</h2>
+      <div class="PostBody">
+        #[page]#
+      </div>
+      <p class="PostInfo">
+        last edited by #[author]# | change date #[date]#
+      </p>
+    </div>
+    <form action="Wiki.html" method="post" enctype="multipart/form-data" accept-charset="UTF-8">
+      <fieldset>
+        <input type="submit" name="submit" value="Submit" />
+        <input type="submit" name="view" value="Discard" />
+      </fieldset>
+      <h2>Edit</h2>
+      <fieldset>
+        <dl>
+          <dt><label for="author">Author:</label></dt>
+          <dd>
+            <input name="author" id="author" type="text" size="80" maxlength="80" value="#[author]#" />
+          </dd>
+          <dt><label for="content">Text:</label></dt>
+          <dd>
+            <textarea name="content" id="content" cols="80" rows="24">#[page-code]#</textarea>
+          </dd>
+        </dl>
+        <p class="help">
+          You can use
+          <a href="WikiHelp.html" onclick="window.open('WikiHelp.html','WikiHelp','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=640,height=480');return false;">Wiki Code</a> here.
+        </p>
+        <input type="hidden" name="page" value="#[pagename]#" />
+        <input type="hidden" name="reason" value="edit" />
+        <input type="submit" name="submit" value="Submit" />
+        <input type="submit" name="preview" value="Preview" />
+        <input type="submit" name="view" value="Discard" />
+      </fieldset>
+    </form>
+    #(/versioning)#
     <p class="Navigation">
       <a href="Wiki.html">Start Page</a> -
       <a href="Wiki.html?page=#[page]#">Return to #[page]#</a>

htroot/Wiki.java

@@ -143,7 +143,7 @@ public class Wiki {
             try {
                 prop.put("mode", 1); //edit
                 prop.put("mode_author", author);
-                prop.put("mode_page-code", new String(page.page(), "UTF-8").replaceAll("<","&lt;").replaceAll(">","&gt;"));
+                prop.put("mode_page-code", new String(page.page(), "UTF-8"));
                 prop.put("mode_pagename", pagename);
             } catch (UnsupportedEncodingException e) {}
         }
@@ -186,6 +186,7 @@ public class Wiki {
         }
         
         else if (post.containsKey("diff")) {
+            // Diff
             prop.put("mode", 4);
             prop.put("mode_page", pagename);
             prop.put("mode_error_page", pagename);
@@ -232,14 +233,20 @@ public class Wiki {
                 }
                 
                 if (nentry == null) nentry = entry;
-                if (post.get("diff", "").length() > 0 && oentry != null && nentry != null) {
+                if (post.containsKey("compare") && oentry != null && nentry != null) {
                     // TODO: split into paragraphs and compare them with the same diff-algo
                     Diff diff = new Diff(
                             new String(oentry.page(), "UTF-8"),
-                            new String(nentry.page(), "UTF-8"), 5);
-                    prop.putASIS("mode_diff", Diff.toHTML(new Diff[] { diff }));
-                } else {
-                    prop.put("mode_diff", "");
+                            new String(nentry.page(), "UTF-8"), 3);
+                    prop.putASIS("mode_versioning_diff", Diff.toHTML(new Diff[] { diff }));
+                    prop.put("mode_versioning", 1);
+                } else if (post.containsKey("viewold") && oentry != null) {
+                    prop.put("mode_versioning", 2);
+                    prop.put("mode_versioning_pagename", pagename);
+                    prop.put("mode_versioning_author", oentry.author());
+                    prop.put("mode_versioning_date", dateString(oentry.date()));
+                    prop.putWiki("mode_versioning_page", oentry.page());
+                    prop.put("mode_versioning_page-code", new String(oentry.page(), "UTF-8"));
                 }
             } catch (IOException e) {
                 prop.put("mode_error", 1); //IO Error reading Wiki