--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/text/FlowAdapter.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,171 @@
+/*******************************************************************************
+ * Copyright (c) 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 dwtx.draw2d.text.FlowAdapter;
+
+import dwt.dwthelper.utils;
+import dwtx.dwtxhelper.Collection;
+
+import dwtx.draw2d.IFigure;
+import dwtx.draw2d.geometry.Dimension;
+import dwtx.draw2d.geometry.Rectangle;
+import dwtx.draw2d.text.FlowFigure;
+import dwtx.draw2d.text.BidiProcessor;
+import dwtx.draw2d.text.FlowFigureLayout;
+import dwtx.draw2d.text.FlowContext;
+import dwtx.draw2d.text.ContentBox;
+import dwtx.draw2d.text.BidiInfo;
+import dwtx.draw2d.text.BidiChars;
+
+
+/**
+ * Adapts non-flow figures for use within a parent hierarchy requiring flow figures.
+ * Normal draw2d figures can be added as children.  If a normal LayoutManager is set, the
+ * children will be positioned by that layout manager.  The size of this figure within
+ * the flow will be determined by its preferred size.
+ * <p>
+ * WARNING: This class is not intended to be subclassed by clients.
+ *
+ * @author Pratik Shah
+ * @since 3.1
+ */
+public class FlowAdapter
+    : FlowFigure
+{
+
+private FlowContext context;
+private FigureBox box;
+
+public this(){
+    box = new FigureBox();
+}
+/**
+ * This FlowFigure contributes an Object Replacement Character.
+ * @see FlowFigure#contributeBidi(BidiProcessor)
+ */
+protected void contributeBidi(BidiProcessor proc) {
+    box.setBidiLevel(-1);
+    // contributes a single object replacement char
+    proc.add(this, BidiChars.OBJ);
+}
+
+/**
+ * @return <code>null</code>
+ * @see dwtx.draw2d.text.FlowFigure#createDefaultFlowLayout()
+ */
+protected FlowFigureLayout createDefaultFlowLayout() {
+    return null;
+}
+
+/**
+ * Sizes the content box to be big enough to display all figures.  Wraps to the next line
+ * if there is not enough room on the current one.
+ * @see dwtx.draw2d.Figure#layout()
+ */
+protected void layout() {
+    int wHint = context.getRemainingLineWidth();
+    if (wHint is Integer.MAX_VALUE)
+        wHint = -1;
+    Dimension prefSize = getPreferredSize(wHint, -1);
+    if (context.isCurrentLineOccupied()
+            && prefSize.width > context.getRemainingLineWidth()) {
+        context.endLine();
+        prefSize = getPreferredSize(context.getRemainingLineWidth(), -1);
+    }
+    box.setSize(prefSize);
+    context.addToCurrentLine(box);
+}
+
+/**
+ * Updates the bounds of this figure to match that of its content box, and lays out this
+ * figure's children.
+ * @see FlowFigure#postValidate()
+ */
+public void postValidate() {
+    setBounds(new Rectangle(box.getX(), box.getBaseline() - box.ascent,
+            box.width, box.ascent));
+    super.layout();
+    for (Iterator itr = getChildren().iterator(); itr.hasNext();)
+        (cast(IFigure)itr.next()).validate();
+}
+
+/**
+ * Sets the bidi level of the content box associated with this Figure
+ * @see FlowFigure#setBidiInfo(BidiInfo)
+ */
+public void setBidiInfo(BidiInfo info) {
+    box.setBidiLevel(info.levelInfo[0]);
+}
+
+/**
+ * @see dwtx.draw2d.IFigure#setBounds(dwtx.draw2d.geometry.Rectangle)
+ */
+public void setBounds(Rectangle rect) {
+    int x = bounds.x,
+    y = bounds.y;
+
+    bool resize = (rect.width !is bounds.width) || (rect.height !is bounds.height),
+          translate = (rect.x !is x) || (rect.y !is y);
+
+    if ((resize || translate) && isVisible())
+        erase();
+    if (translate) {
+        int dx = rect.x - x;
+        int dy = rect.y - y;
+        primTranslate(dx, dy);
+    }
+
+    bounds.width = rect.width;
+    bounds.height = rect.height;
+
+    if (translate || resize) {
+        fireFigureMoved();
+        repaint();
+    }
+}
+
+/**
+ * @see FlowFigure#setFlowContext(FlowContext)
+ */
+public void setFlowContext(FlowContext flowContext) {
+    context = flowContext;
+}
+
+/**
+ * Do not validate children.
+ * @see dwtx.draw2d.IFigure#validate()
+ */
+public void validate() {
+    if (isValid())
+        return;
+    setValid(true);
+    layout();
+}
+
+private class FigureBox : ContentBox {
+    private int ascent;
+    public bool containsPoint(int x, int y) {
+        return this.outer.containsPoint(x, y);
+    }
+    public int getAscent() {
+        return ascent;
+    }
+    public int getDescent() {
+        return 0;
+    }
+    public void setSize(Dimension size) {
+        ascent = size.height;
+        width = size.width;
+    }
+}
+
+}