addresses #17

* integrate Marko Samastur's translate.js with gettext and php
 * translate the first JavaScript strings
 * add scripts/i18n.php to generate the list of i18n dictionary

admin/i18n.inc.php

@@ -138,7 +138,11 @@ if ($_SESSION["language"]) {
 putenv(sprintf("LANG=%s", $_SESSION["language"]));
 putenv(sprintf("LANGUAGE=%s", $_SESSION["language"]));
 $_SESSION["locale"] = _setlocale(LC_ALL, $_SESSION["language"]);
-bindtextdomain($project, realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR .
-                                  ".." . DIRECTORY_SEPARATOR . "po"));
+bindtextdomain($project,
+               realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR .
+                        ".." . DIRECTORY_SEPARATOR . "po"));
+bindtextdomain($project . "js",
+               realpath(dirname(__FILE__) . DIRECTORY_SEPARATOR .
+                        ".." . DIRECTORY_SEPARATOR . "po"));
 textdomain($project);
 ?>

admin/scripts/directories.js

@@ -27,7 +27,7 @@
  */
 function handleerror(xmldata) {
     if ($('error', xmldata).size()) {
-        var msg = 'Es ist ein Fehler aufgetreten:\n';
+        var msg = intl.translate('An error occured:\n');
         $('error', xmldata).find('errormsg').each(function(i) {
             msg += $(this).text();
         });
@@ -44,9 +44,9 @@ function updateDirectories(xmldata) {
     var filecount = $('filecount', xmldata).text();
     var filesize = $('filesize', xmldata).text();
     var maydelete = $('maydelete', xmldata).text();
-    var htmltext = '<td>' + dirname + '</td><td>' + groups + '</td><td>' + filecount + ', ' + filesize + '</td><td><a id="edit' + dirname + '" class="editlink" href="#" title="Die Gruppenzuordnungen dieses Verzeichnisses bearbeiten"><img class="actionicon" src="images/groups.png" width="16" height="16" alt="Gruppen"/></a>';
+    var htmltext = '<td>' + dirname + '</td><td>' + groups + '</td><td>' + filecount + ', ' + filesize + '</td><td><a id="edit' + dirname + '" class="editlink" href="#" title="' + intl.translate("Edit this directory's group assignments.") + '"><img class="actionicon" src="images/groups.png" width="16" height="16" alt="' + intl.translate("groups") + '"/></a>';
     if (maydelete == '1') {
-        htmltext = htmltext + '<a id="delete' + dirname + '" class="deletelink" href="#" title="Dieses Verzeichnis löschen"><img class="actionicon" src="images/delete.png" width="16" height="16" alt="löschen" /></a>';
+        htmltext = htmltext + '<a id="delete' + dirname + '" class="deletelink" href="#" title="' + intl.translate("Delete this directory.") + '"><img class="actionicon" src="images/delete.png" width="16" height="16" alt="' + intl.translate("delete") + '" /></a>';
     }
     htmltext = htmltext + '</td>';
     $('#dirtable').find('tr#dir' + dirname).empty().append(htmltext);

admin/scripts/i18n.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * JavaScript internationalization code for DAVAdmin.
+ *
+ * @author Jan Dittberner <jan@dittberner.info>
+ * @version $Id$
+ * @license GPL
+ * @package DAVAdmin
+ *
+ * Copyright (c) 2007 Jan Dittberner
+ *
+ * This file is part of DAVAdmin.
+ *
+ * This program is free software; you can redistribute it 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 more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA.
+ */
+
+/** Include the internationalization code. */
+require_once(".." . DIRECTORY_SEPARATOR . "i18n.inc.php");
+textdomain("davadminjs");
+
+$translatable = file(realpath(implode(DIRECTORY_SEPARATOR,
+                                      array(dirname(__FILE__), "..", "..",
+                                            "po", "transjs.txt"))));
+header("Content-Type: application/x-javascript;charset=UTF-8");
+if (is_array($translatable)) {
+  print "i18nDict = ";
+  $transmap = array();
+  foreach ($translatable as $sentence) {
+    $sentence = stripcslashes(stripcslashes(trim($sentence)));
+    $transmap[$sentence] = _($sentence);
+  }
+  print json_encode($transmap);
+  print ";";
+} else {
+  print "i18nDict = {};";
+}
+
+print("\n\nvar intl = new i18n(i18nDict);");
+?>

admin/scripts/translate.js

@@ -0,0 +1,80 @@
+/*
+ * Helper functions
+ */
+function stripStr(str) {
+	return str.replace(/^\s*/, "").replace(/\s*$/, "");
+}
+
+// Multiline strip
+function stripStrML(str) {
+	// Split because m flag doesn't exist before JS1.5 and we need to
+	// strip newlines anyway
+	var parts = str.split('\n');
+	for (var i=0; i<parts.length; i++)
+		parts[i] = stripStr(parts[i]);
+
+	// Don't join with empty strings, because it "concats" words
+	// And strip again
+	return stripStr(parts.join(" "));
+}
+
+/*
+ * C-printf like function, which substitutes %s with parameters
+ * given in list. %%s is used to escape %s.
+ *
+ * Doesn't work in IE5.0 (splice)
+ */ 
+function printf(S, L) {
+		if (!L) return S;
+
+		var nS = "";
+		var tS = S.split("%s");
+
+		for(var i=0; i<L.length; i++) {
+			if (tS[i].lastIndexOf('%') == tS[i].length-1 && i != L.length-1)
+				tS[i] += "s"+tS.splice(i+1,1)[0];
+			nS += tS[i] + L[i];
+		}
+		return nS + tS[tS.length-1];
+}
+
+/*
+ * i18n
+ */
+function i18n(i18n_dict) {
+	this.i18nd = i18n_dict;
+
+	// Change to entity representation non-ASCII characters
+	this.toEntity = function (str) {
+		var newstr = "";
+		for (var i=0;i<str.length; i++) {
+			if (str.charCodeAt(i) > 128)
+				newstr += "&#"+str.charCodeAt(i)+";";
+			else
+				newstr += str.charAt(i);
+		}
+		return newstr;
+	}
+
+	// Return translation, if translation dictionary exists and has a translation.
+	this.translate = function (str, params) {
+		var transl = str;
+		if (this.i18nd && this.i18nd[str])
+			transl = this.i18nd[str];
+		return printf(transl, params);
+	}
+
+	this.translateNodes = function () {
+		var nodes = document.getElementsByTagName("*");
+		for (var i=0;i<nodes.length;i++)
+			if (nodes[i].className.match("i18n")) {
+				var orig = stripStrML(nodes[i].innerHTML);
+				var transl = this.translate(orig);
+
+				// If translation not found, try again with
+				// entity representation
+				if (transl == orig) transl = this.translate(this.toEntity(orig));
+				nodes[i].innerHTML = transl;
+			}
+	}
+}

admin/templates/header.html

@@ -32,4 +32,6 @@
 <link rel="stylesheet" type="text/css" href="format.css" />
 <link rel="stylesheet" type="text/css" href="dynaform.css" />
 <script type="text/javascript" src="scripts/jquery.js"></script>
+<script type="text/javascript" src="scripts/translate.js"></script>
+<script type="text/javascript" src="scripts/i18n.php" ></script>
 <body>