Added source for ByteEdit

src/org/fife/ui/autocomplete/DelegatingCellRenderer.java

@@ -0,0 +1,94 @@
+/*
+ * 12/22/2008
+ *
+ * DelegatingCellRenderer.java - A renderer for Completions that will delegate
+ * to the Completion's provider's renderer, if there is one.
+ * 
+ * This library is distributed under a modified BSD license.  See the included
+ * AutoComplete.License.txt file for details.
+ */
+package org.fife.ui.autocomplete;
+
+import java.awt.Component;
+import javax.swing.DefaultListCellRenderer;
+import javax.swing.JComponent;
+import javax.swing.JList;
+import javax.swing.ListCellRenderer;
+
+
+/**
+ * List cell renderer that delegates to a {@link CompletionProvider}'s
+ * renderer, if it has one.  If it doesn't, it calls into a fallback renderer.
+ * If a fallback renderer isn't specified, it simply renders
+ * <code>(({@link Completion})value).toString()</code>.
+ *
+ * @author Robert Futrell
+ * @version 1.0
+ */
+class DelegatingCellRenderer extends DefaultListCellRenderer {
+
+	/**
+	 * The renderer to fall back on if one isn't specified by a provider.
+	 * This is usually <tt>this</tt>.
+	 */
+	private ListCellRenderer fallback;
+
+
+	/**
+	 * Returns the fallback cell renderer.
+	 *
+	 * @return The fallback cell renderer.
+	 * @see #setFallbackCellRenderer(ListCellRenderer)
+	 */
+	public ListCellRenderer getFallbackCellRenderer() {
+		return fallback;
+	}
+
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public Component getListCellRendererComponent(JList list, Object value,
+						int index, boolean selected, boolean hasFocus) {
+		Completion c = (Completion)value;
+		CompletionProvider p = c.getProvider();
+		ListCellRenderer r = p.getListCellRenderer();
+		if (r!=null) {
+			return r.getListCellRendererComponent(list, value, index, selected,
+													hasFocus);
+		}
+		if (fallback==null) {
+			return super.getListCellRendererComponent(list, value, index,
+												selected, hasFocus);
+		}
+		return fallback.getListCellRendererComponent(list, value, index,
+													selected, hasFocus);
+	}
+
+
+	/**
+	 * Sets the fallback cell renderer.
+	 *
+	 * @param fallback The fallback cell renderer.  If this is
+	 *        <code>null</code>, <tt>this</tt> will be used.
+	 * @see #getFallbackCellRenderer()
+	 */
+	public void setFallbackCellRenderer(ListCellRenderer fallback) {
+		this.fallback = fallback;
+	}
+
+
+	/**
+	 * {@inheritDoc}
+	 */
+	@Override
+	public void updateUI() {
+		super.updateUI();
+		if ((fallback instanceof JComponent) && fallback!=this) {
+			((JComponent)fallback).updateUI();
+		}
+	}
+
+
+}