From bc03da7975e7c493aa839aa328fb76e0db4f4581 Mon Sep 17 00:00:00 2001
From: Mathieu Baudier <mbaudier@argeo.org>
Date: Wed, 23 Dec 2020 10:13:23 +0100
Subject: [PATCH] Introduce NodeElement interface.

---
 .../ui/jcr/NodeColumnLabelProvider.java       | 83 +++++++++++++++++--
 .../org/argeo/eclipse/ui/jcr/NodeElement.java |  8 ++
 2 files changed, 85 insertions(+), 6 deletions(-)
 create mode 100644 org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeElement.java

diff --git a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeColumnLabelProvider.java b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeColumnLabelProvider.java
index c4644789f..7e12becd8 100644
--- a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeColumnLabelProvider.java
+++ b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeColumnLabelProvider.java
@@ -4,6 +4,8 @@ import javax.jcr.Node;
 import javax.jcr.RepositoryException;
 
 import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.graphics.Image;
 
 /** Simplifies writing JCR-based column label provider. */
@@ -22,30 +24,99 @@ public class NodeColumnLabelProvider extends ColumnLabelProvider {
 		return super.getImage(node);
 	}
 
+	protected Font getNodeFont(Node node) throws RepositoryException {
+		return super.getFont(node);
+	}
+
+	public Color getNodeBackground(Node node) throws RepositoryException {
+		return super.getBackground(node);
+	}
+
+	public Color getNodeForeground(Node node) throws RepositoryException {
+		return super.getForeground(node);
+	}
+
 	@Override
 	public String getText(Object element) {
 		try {
-			return getNodeText((Node) element);
+			if (element instanceof Node)
+				return getNodeText((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeText(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
 		} catch (RepositoryException e) {
-			throw new RuntimeException("Runtime repository exception when accessing " + element, e);
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
 		}
 	}
 
 	@Override
 	public Image getImage(Object element) {
 		try {
-			return getNodeImage((Node) element);
+			if (element instanceof Node)
+				return getNodeImage((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeImage(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
 		} catch (RepositoryException e) {
-			throw new RuntimeException("Runtime repository exception when accessing " + element, e);
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
 		}
 	}
 
 	@Override
 	public String getToolTipText(Object element) {
 		try {
-			return getNodeToolTipText((Node) element);
+			if (element instanceof Node)
+				return getNodeToolTipText((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeToolTipText(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
+		}
+	}
+
+	@Override
+	public Font getFont(Object element) {
+		try {
+			if (element instanceof Node)
+				return getNodeFont((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeFont(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
+		}
+	}
+
+	@Override
+	public Color getBackground(Object element) {
+		try {
+			if (element instanceof Node)
+				return getNodeBackground((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeBackground(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
+		} catch (RepositoryException e) {
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
+		}
+	}
+
+	@Override
+	public Color getForeground(Object element) {
+		try {
+			if (element instanceof Node)
+				return getNodeForeground((Node) element);
+			else if (element instanceof NodeElement)
+				return getNodeForeground(((NodeElement) element).getNode());
+			else
+				throw new IllegalArgumentException("Unsupported element type " + element.getClass());
 		} catch (RepositoryException e) {
-			throw new RuntimeException("Runtime repository exception when accessing " + element, e);
+			throw new IllegalStateException("Repository exception when accessing " + element, e);
 		}
 	}
 
diff --git a/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeElement.java b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeElement.java
new file mode 100644
index 000000000..787c92ed5
--- /dev/null
+++ b/org.argeo.eclipse.ui/src/org/argeo/eclipse/ui/jcr/NodeElement.java
@@ -0,0 +1,8 @@
+package org.argeo.eclipse.ui.jcr;
+
+import javax.jcr.Node;
+
+/** An element which is related to a JCR {@link Node}. */
+public interface NodeElement {
+	Node getNode();
+}
-- 
2.30.2