1 /**
2 * This file Copyright (c) 2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.templating.editor.client.jsni;
35
36
37 import com.google.gwt.core.client.GWT;
38 import com.google.gwt.dom.client.Document;
39 import com.google.gwt.dom.client.Element;
40 import com.google.gwt.dom.client.MetaElement;
41 import com.google.gwt.dom.client.NodeList;
42 import com.google.gwt.i18n.client.Dictionary;
43
44 /**
45 * A JSNI wrapper around native javascript functions found in general.js, inline.js and others plus some utilities.
46 * @version $Id$
47 *
48 */
49 public final class LegacyJavascript {
50
51 private static Dictionary dictionary;
52
53 static {
54 //TODO move messages we need to this module?
55 LegacyJavascript.exposeMgnlMessagesToGwtDictionary("info.magnolia.module.admininterface.messages");
56 dictionary = Dictionary.getDictionary("mgnlGwtMessages");
57 }
58
59 private LegacyJavascript() {
60 //do not instantiate it.
61 }
62
63 public static native void mgnlOpenDialog(String path, String collectionName, String nodeName, String paragraph, String workspace, String dialogPage, String width, String height, String locale) /*-{
64 $wnd.mgnlOpenDialog(path, collectionName, nodeName, paragraph, workspace, dialogPage, width, height, locale);
65 }-*/;
66
67 public static native void mgnlMoveNodeStart(String id) /*-{
68 $wnd.mgnlMoveNodeStart('',id,'__'+id);
69 }-*/;
70
71 public static native void mgnlMoveNodeHigh(Object source) /*-{
72 $wnd.mgnlMoveNodeHigh(source);
73 }-*/;
74
75 public static native void mgnlMoveNodeEnd(Object source, String path) /*-{
76 $wnd.mgnlMoveNodeEnd(source, path);
77 }-*/;
78
79 public static native void mgnlMoveNodeReset(Object source) /*-{
80 $wnd.mgnlMoveNodeReset(source);
81 }-*/;
82
83 public static native void mgnlDeleteNode(String path) /*-{
84 $wnd.mgnlDeleteNode(path,'', '');
85 }-*/;
86
87 /**
88 * Exposes the messages object corresponding to the passed in basename as a global (thus accessible by GWT Dictionary) variable named <em>mgnlGwtMessages</em>.
89 */
90 public static native void exposeMgnlMessagesToGwtDictionary(String basename) /*-{
91 $wnd.mgnlGwtMessages = $wnd.mgnlMessages.messages[basename];
92 }-*/;
93
94 public static native void showTree(String workspace, String path) /*-{
95 $wnd.MgnlAdminCentral.showTree(workspace, path)
96 }-*/;
97
98 public static native void mgnlPreview(boolean setPreview) /*-{
99 $wnd.mgnlPreview(setPreview)
100 }-*/;
101
102 /**
103 * @return <code>true</code> if the current page is in preview mode, <code>false</code> otherwise.
104 */
105 public static native boolean isPreviewMode() /*-{
106 return $wnd.location.href.indexOf('mgnlPreview=true') != -1;
107 }-*/;
108
109 public static native String getContextPath() /*-{
110 return $wnd.location.protocol + "//"+ $wnd.location.host + $wnd.contextPath + "/"
111 }-*/;
112
113 public static boolean isNotEmpty(final String string) {
114 return !isEmpty(string);
115 }
116
117 public static boolean isEmpty(final String string) {
118 return string == null || string.length() == 0;
119 }
120
121 /**
122 * This method will look for the specified key inside a GWT {@link Dictionary}. If the key does not exist it will return a string
123 * in the form <code>???missing.key???</code>. The keys looked for must reside in <code>info.magnolia.module.admininterface.messages</code> and
124 * MUST end with the special suffix <code>.js</code> (i.e. <code>my.cool.i18nkey.js</code>).
125 * <p><strong>WARNING: this way of exposing i18n messages to GWT is very likely to change in 5.0</strong>
126 */
127 public static String getI18nMessage(final String key) {
128 try {
129 return dictionary.get(key);
130 } catch(RuntimeException e) {
131 GWT.log("key ["+ key +"] was not found in dictionary", e);
132 return "???" + key + "???";
133 }
134 }
135
136 /**
137 * A String representing the value for the GWT meta property whose content is <em>locale</em>.
138 * See also <a href='http://code.google.com/webtoolkit/doc/latest/DevGuideI18nLocale.html#LocaleSpecifying'>GWT Dev Guide to i18n</a>
139 */
140 public static String detectCurrentLocale() {
141 String locale = "en";
142 final NodeList<Element> meta = Document.get().getDocumentElement().getElementsByTagName("meta");
143 for (int i = 0; i < meta.getLength(); i++) {
144 MetaElement metaTag = MetaElement.as(meta.getItem(i));
145 if ("gwt:property".equals(metaTag.getName()) && metaTag.getContent().contains("locale")) {
146 String[] split = metaTag.getContent().split("=");
147 locale = split.length == 2 ? split[1] : "en";
148 GWT.log("Detected Locale " + locale);
149 break;
150 }
151 }
152 return locale;
153 }
154 }