ref #9189: move datasource to webapp

[taxeditor.git] / eu.etaxonomy.taxeditor.webapp / src / main / java / eu / etaxonomy / taxeditor / webapp / view / datasource / e4 / handler / AbstractDataSourceHandlerE4.java

diff --git a/eu.etaxonomy.taxeditor.webapp/src/main/java/eu/etaxonomy/taxeditor/webapp/view/datasource/e4/handler/AbstractDataSourceHandlerE4.java b/eu.etaxonomy.taxeditor.webapp/src/main/java/eu/etaxonomy/taxeditor/webapp/view/datasource/e4/handler/AbstractDataSourceHandlerE4.java
new file mode 100644 (file)
index 0000000..fdadd94
--- /dev/null
+++ b/eu.etaxonomy.taxeditor.webapp/src/main/java/eu/etaxonomy/taxeditor/webapp/view/datasource/e4/handler/AbstractDataSourceHandlerE4.java
@@ -0,0 +1,71 @@
+/**
+* Copyright (C) 2007 EDIT
+* European Distributed Institute of Taxonomy
+* http://www.e-taxonomy.eu
+*
+* The contents of this file are subject to the Mozilla Public License Version 1.1
+* See LICENSE.TXT at the top of this package for the full license terms.
+*/
+
+package eu.etaxonomy.taxeditor.webapp.view.datasource.e4.handler;
+
+import javax.inject.Named;
+
+import org.eclipse.e4.core.di.annotations.CanExecute;
+import org.eclipse.e4.core.di.annotations.Execute;
+import org.eclipse.e4.core.di.annotations.Optional;
+import org.eclipse.e4.ui.di.UISynchronize;
+import org.eclipse.e4.ui.model.application.ui.basic.MPart;
+import org.eclipse.e4.ui.model.application.ui.menu.MHandledMenuItem;
+import org.eclipse.e4.ui.services.IServiceConstants;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.widgets.Shell;
+
+import eu.etaxonomy.taxeditor.webapp.view.datasource.CdmMetaDataAwareDataSourceContainer;
+import eu.etaxonomy.taxeditor.webapp.view.datasource.e4.CdmDataSourceViewPartE4;
+
+/**
+ *
+ * @author pplitzner
+ * @date 22.08.2017
+ *
+ */
+public abstract class AbstractDataSourceHandlerE4 {
+
+    protected UISynchronize sync;
+
+       @Execute
+    public void execute(
+            @Named(IServiceConstants.ACTIVE_SHELL)Shell shell,
+            @Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
+            @Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
+            UISynchronize sync) {
+
+           this.sync = sync;
+
+               CdmDataSourceViewPartE4 view = (CdmDataSourceViewPartE4) thisPart.getObject();
+
+               boolean refresh = specificExecute(view,
+                       (CdmMetaDataAwareDataSourceContainer) selection.getFirstElement(), shell);
+
+               if(refresh) {
+            view.refresh();
+        }
+       }
+
+    @CanExecute
+    public boolean canExecute(
+            @Optional@Named(IServiceConstants.ACTIVE_SELECTION)IStructuredSelection selection,
+            @Named(IServiceConstants.ACTIVE_PART)MPart thisPart,
+            MHandledMenuItem menuItem) {
+        boolean canExecute = false;
+        canExecute = thisPart.getObject() instanceof CdmDataSourceViewPartE4
+                && selection!=null
+                && selection.size()==1
+                && selection.getFirstElement() instanceof CdmMetaDataAwareDataSourceContainer;
+        menuItem.setVisible(canExecute);
+        return canExecute;
+    }
+
+       public abstract boolean specificExecute(CdmDataSourceViewPartE4 dataSourceViewPart, CdmMetaDataAwareDataSourceContainer container, Shell shell);
+}