CMS Script

[lgpl/argeo-commons.git] / org.argeo.cms.ui / src / org / argeo / cms / util / ThemeUtils.java

diff --git a/org.argeo.cms.ui/src/org/argeo/cms/util/ThemeUtils.java b/org.argeo.cms.ui/src/org/argeo/cms/util/ThemeUtils.java
new file mode 100644 (file)
index 0000000..fdc1cb7
--- /dev/null
+++ b/org.argeo.cms.ui/src/org/argeo/cms/util/ThemeUtils.java
@@ -0,0 +1,50 @@
+package org.argeo.cms.util;
+
+import java.net.URL;
+import java.util.Enumeration;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.eclipse.rap.rwt.application.Application;
+import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleContext;
+
+public class ThemeUtils {
+       final static Log log = LogFactory.getLog(ThemeUtils.class);
+
+       public static Bundle findThemeBundle(BundleContext bundleContext, String themeId) {
+               if (themeId == null)
+                       return null;
+               // TODO optimize
+               // TODO deal with multiple versions
+               Bundle themeBundle = null;
+               if (themeId != null) {
+                       for (Bundle bundle : bundleContext.getBundles())
+                               if (themeId.equals(bundle.getSymbolicName())) {
+                                       themeBundle = bundle;
+                                       break;
+                               }
+               }
+               return themeBundle;
+       }
+
+       public static void addThemeResources(Application application, Bundle themeBundle, BundleResourceLoader themeBRL,
+                       String pattern) {
+               Enumeration<URL> themeResources = themeBundle.findEntries("/", pattern, true);
+               if (themeResources == null)
+                       return;
+               while (themeResources.hasMoreElements()) {
+                       String resource = themeResources.nextElement().getPath();
+                       // remove first '/' so that RWT registers it
+                       resource = resource.substring(1);
+                       if (!resource.endsWith("/")) {
+                               application.addResource(resource, themeBRL);
+                               if (log.isTraceEnabled())
+                                       log.trace("Registered " + resource + " from theme " + themeBundle);
+                       }
+
+               }
+
+       }
+
+}