From 4573968ecd0f824ab2600c49f1c085f83379b8b6 Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Sun, 6 Dec 2020 07:53:31 +0100
Subject: [PATCH] Introduce query table content provider.

---
 .../ui/jcr/QueryTableContentProvider.java     | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/QueryTableContentProvider.java

diff --git a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/QueryTableContentProvider.java b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/QueryTableContentProvider.java
new file mode 100644
index 000000000..934fa6781
--- /dev/null
+++ b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/QueryTableContentProvider.java
@@ -0,0 +1,35 @@
+package org.argeo.eclipse.ui.jcr;
+
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.query.Query;
+
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.jface.viewers.IStructuredContentProvider;
+import org.eclipse.jface.viewers.Viewer;
+
+/** Content provider based on a JCR {@link Query}. */
+public class QueryTableContentProvider implements IStructuredContentProvider {
+	private static final long serialVersionUID = 760371460907204722L;
+
+	@Override
+	public void dispose() {
+	}
+
+	@Override
+	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+	}
+
+	@Override
+	public Object[] getElements(Object inputElement) {
+		Query query = (Query) inputElement;
+		try {
+			NodeIterator nit = query.execute().getNodes();
+			return JcrUtils.nodeIteratorToList(nit).toArray();
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+}
-- 
2.30.2