Migrate user admin to Eclipse 4

[lgpl/argeo-commons.git] / org.argeo.cms.e4 / src / org / argeo / cms / e4 / jcr / handlers / Refresh.java

diff --git a/org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/Refresh.java b/org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/Refresh.java
new file mode 100644 (file)
index 0000000..0b8daf4
--- /dev/null
+++ b/org.argeo.cms.e4/src/org/argeo/cms/e4/jcr/handlers/Refresh.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2007-2012 Argeo GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.argeo.cms.e4.jcr.handlers;
+
+import java.util.List;
+
+import javax.inject.Named;
+
+import org.argeo.cms.e4.jcr.JcrBrowserView;
+import org.argeo.cms.ui.jcr.JcrBrowserUtils;
+import org.argeo.eclipse.ui.TreeParent;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.e4.ui.workbench.modeling.EPartService;
+import org.eclipse.e4.ui.workbench.modeling.ESelectionService;
+
+/**
+ * Force the selected objects of the active view to be refreshed doing the
+ * following:
+ * <ol>
+ * <li>The model objects are recomputed</li>
+ * <li>the view is refreshed</li>
+ * </ol>
+ */
+public class Refresh {
+
+       @Execute
+       public void execute(@Named(IServiceConstants.ACTIVE_PART) MPart part, EPartService partService,
+                       ESelectionService selectionService) {
+
+               JcrBrowserView view = (JcrBrowserView) part.getObject();
+               List<?> selection = (List<?>) selectionService.getSelection();
+
+               if (selection != null && !selection.isEmpty()) {
+                       for (Object obj : selection)
+                               if (obj instanceof TreeParent) {
+                                       TreeParent tp = (TreeParent) obj;
+                                       JcrBrowserUtils.forceRefreshIfNeeded(tp);
+                                       view.refresh(obj);
+                               }
+               } else if (view instanceof JcrBrowserView)
+                       view.refresh(null); // force full refresh
+       }
+}