--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.ui.forms/src/org/eclipse/ui/forms/widgets/ILayoutExtension.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,52 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module org.eclipse.ui.forms.widgets.ILayoutExtension;
+
+import java.lang.all;
+import org.eclipse.swt.widgets.Composite;
+/**
+ * Classes that extend abstract class Layout and implement this interface can
+ * take part in layout computation of the TableWrapLayout manager. This layout
+ * uses alternative algorithm that computes columns before rows. It allows it
+ * to 'flow' wrapped text proportionally (similar to the way web browser
+ * renders tables). Custom layout managers that implement this interface will
+ * allow TableWrapLayout to properly compute width hint to pass.
+ * 
+ * @see TableWrapLayout
+ * @see ColumnLayout
+ * @since 3.0
+ */
+public interface ILayoutExtension {
+    /**
+     * Computes the minimum width of the parent. All widgets capable of word
+     * wrapping should return the width of the longest word that cannot be
+     * broken any further.
+     * 
+     * @param parent the parent composite
+     * @param changed <code>true</code> if the cached information should be
+     * flushed, <code>false</code> otherwise.
+     * @return the minimum width of the parent composite
+     */
+    public int computeMinimumWidth(Composite parent, bool changed);
+    /**
+     * Computes the maximum width of the parent. All widgets capable of word
+     * wrapping should return the length of the entire text with wrapping
+     * turned off.
+     * 
+     * @param parent the parent composite
+     * @param changed <code>true</code> if the cached information
+     * should be flushed, <code>false</code> otherwise.
+     * @return the maximum width of the parent composite
+     */
+    public int computeMaximumWidth(Composite parent, bool changed);
+}