X-Git-Url: http://git.argeo.org/?a=blobdiff_plain;f=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2FJcrTreeContentProvider.java;fp=swt%2Forg.argeo.tool.devops.e4%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2Fjcr%2FJcrTreeContentProvider.java;h=cc8479f78680fc60b8705a1a49471b88f66b3079;hb=825d60c5348dbe3f5be25b0bccf7bdebfe694219;hp=0000000000000000000000000000000000000000;hpb=5e991fff5cba01858dcc5747a27e637325bc5c8e;p=gpl%2Fargeo-jcr.git

diff --git a/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrTreeContentProvider.java b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrTreeContentProvider.java
new file mode 100644
index 0000000..cc8479f
--- /dev/null
+++ b/swt/org.argeo.tool.devops.e4/src/org/argeo/cms/ui/jcr/JcrTreeContentProvider.java
@@ -0,0 +1,82 @@
+package org.argeo.cms.ui.jcr;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+
+import org.argeo.eclipse.ui.EclipseUiException;
+import org.argeo.eclipse.ui.jcr.util.JcrItemsComparator;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.Viewer;
+
+/**
+ * Implementation of the {@code ITreeContentProvider} in order to display a
+ * single JCR node and its children in a tree like structure
+ */
+public class JcrTreeContentProvider implements ITreeContentProvider {
+	private static final long serialVersionUID = -2128326504754297297L;
+	// private Node rootNode;
+	private JcrItemsComparator itemComparator = new JcrItemsComparator();
+
+	/**
+	 * Sends back the first level of the Tree. input element must be a single node
+	 * object
+	 */
+	public Object[] getElements(Object inputElement) {
+		Node rootNode = (Node) inputElement;
+		return childrenNodes(rootNode);
+	}
+
+	public Object[] getChildren(Object parentElement) {
+		return childrenNodes((Node) parentElement);
+	}
+
+	public Object getParent(Object element) {
+		try {
+			Node node = (Node) element;
+			if (!node.getPath().equals("/"))
+				return node.getParent();
+			else
+				return null;
+		} catch (RepositoryException e) {
+			return null;
+		}
+	}
+
+	public boolean hasChildren(Object element) {
+		try {
+			return ((Node) element).hasNodes();
+		} catch (RepositoryException e) {
+			throw new EclipseUiException("Cannot check children existence on " + element, e);
+		}
+	}
+
+	protected Object[] childrenNodes(Node parentNode) {
+		try {
+			List<Node> children = new ArrayList<Node>();
+			NodeIterator nit = parentNode.getNodes();
+			while (nit.hasNext()) {
+				Node node = nit.nextNode();
+//				if (node.getName().startsWith("rep:") || node.getName().startsWith("jcr:")
+//						|| node.getName().startsWith("nt:"))
+//					continue nodes;
+				children.add(node);
+			}
+			Node[] arr = children.toArray(new Node[0]);
+			Arrays.sort(arr, itemComparator);
+			return arr;
+		} catch (RepositoryException e) {
+			throw new EclipseUiException("Cannot list children of " + parentNode, e);
+		}
+	}
+
+	public void dispose() {
+	}
+
+	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+	}
+}