1 files changed, 55 insertions, 0 deletions
diff --git a/plugins/infra/textedit/org.eclipse.papyrus.infra.textedit.modelexplorer/src/org/eclipse/papyrus/infra/textedit/modelexplorer/internal/handlers/AbstractTextDocumentCommandHandler.java b/plugins/infra/textedit/org.eclipse.papyrus.infra.textedit.modelexplorer/src/org/eclipse/papyrus/infra/textedit/modelexplorer/internal/handlers/AbstractTextDocumentCommandHandler.java
new file mode 100755
index 00000000000..7274b9472d7
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+++ b/plugins/infra/textedit/org.eclipse.papyrus.infra.textedit.modelexplorer/src/org/eclipse/papyrus/infra/textedit/modelexplorer/internal/handlers/AbstractTextDocumentCommandHandler.java
@@ -0,0 +1,55 @@
+/*****************************************************************************
+ * Copyright (c) 2021 CEA LIST and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * Contributors:
+ *  Vincent Lorenzo (CEA LIST) <vincent.lorenzo@cea.fr> - Initial API and implementation
+ *
+ *****************************************************************************/
+package org.eclipse.papyrus.infra.textedit.modelexplorer.internal.handlers;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
+import org.eclipse.papyrus.infra.textedit.textdocument.TextDocument;
+import org.eclipse.papyrus.infra.ui.command.AbstractCommandHandler;
+
+/**
+ * This abstract handler provides the method to select documents.
+ *
+ */
+public abstract class AbstractTextDocumentCommandHandler extends AbstractCommandHandler {
+
+	/**
+	 * Get the list of selected documents.
+	 *
+	 * @return the list of selected documents
+	 */
+	public List<TextDocument> getSelectedTextDocument() {
+		final List<TextDocument> documents = new ArrayList<>();
+
+		// Get first element if the selection is an IStructuredSelection
+		final Iterator<?> iterator = getSelectedElements().iterator();
+
+		while (iterator.hasNext()) {
+			Object current = iterator.next();
+			// Get the document template object (Facet Element) by IAdaptable mechanism
+			EObject document = EMFHelper.getEObject(current);
+			if (document instanceof TextDocument) {
+				documents.add((TextDocument) document);
+			}
+		}
+
+		return documents;
+	}
+
+}