--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/viewers/ColorCellEditor.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,255 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 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.jface.viewers.ColorCellEditor;
+
+import org.eclipse.jface.viewers.DialogCellEditor;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.TableTree;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.FontMetrics;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.PaletteData;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.ColorDialog;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Layout;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.Tree;
+
+import java.lang.all;
+import java.util.Set;
+import tango.text.convert.Format;
+
+/**
+ * A cell editor that manages a color field.
+ * The cell editor's value is the color (an SWT <code>RBG</code>).
+ * <p>
+ * This class may be instantiated; it is not intended to be subclassed.
+ * </p>
+ * @noextend This class is not intended to be subclassed by clients.
+ */
+public class ColorCellEditor : DialogCellEditor {
+
+    /**
+     * The default extent in pixels.
+     */
+    private static const int DEFAULT_EXTENT = 16;
+
+    /**
+     * Gap between between image and text in pixels.
+     */
+    private static const int GAP = 6;
+
+    /**
+     * The composite widget containing the color and RGB label widgets
+     */
+    private Composite composite;
+
+    /**
+     * The label widget showing the current color.
+     */
+    private Label colorLabel;
+
+    /**
+     * The label widget showing the RGB values.
+     */
+    private Label rgbLabel;
+
+    /**
+     * The image.
+     */
+    private Image image;
+
+    /**
+     * Internal class for laying out this cell editor.
+     */
+    private class ColorCellLayout : Layout {
+        public override Point computeSize(Composite editor, int wHint, int hHint,
+                bool force) {
+            if (wHint !is SWT.DEFAULT && hHint !is SWT.DEFAULT) {
+                return new Point(wHint, hHint);
+            }
+            Point colorSize = colorLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT,
+                    force);
+            Point rgbSize = rgbLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT,
+                    force);
+            return new Point(colorSize.x + GAP + rgbSize.x, Math.max(
+                    colorSize.y, rgbSize.y));
+        }
+
+        public override void layout(Composite editor, bool force) {
+            Rectangle bounds = editor.getClientArea();
+            Point colorSize = colorLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT,
+                    force);
+            Point rgbSize = rgbLabel.computeSize(SWT.DEFAULT, SWT.DEFAULT,
+                    force);
+            int ty = (bounds.height - rgbSize.y) / 2;
+            if (ty < 0) {
+                ty = 0;
+            }
+            colorLabel.setBounds(-1, 0, colorSize.x, colorSize.y);
+            rgbLabel.setBounds(colorSize.x + GAP - 1, ty, bounds.width
+                    - colorSize.x - GAP, bounds.height);
+        }
+    }
+
+    /**
+     * Creates a new color cell editor parented under the given control.
+     * The cell editor value is black (<code>RGB(0,0,0)</code>) initially, and has no
+     * validator.
+     *
+     * @param parent the parent control
+     */
+    public this(Composite parent) {
+        this(parent, SWT.NONE);
+    }
+
+    /**
+     * Creates a new color cell editor parented under the given control.
+     * The cell editor value is black (<code>RGB(0,0,0)</code>) initially, and has no
+     * validator.
+     *
+     * @param parent the parent control
+     * @param style the style bits
+     * @since 2.1
+     */
+    public this(Composite parent, int style) {
+        super(parent, style);
+        doSetValue(new RGB(0, 0, 0));
+    }
+
+    /**
+     * Creates and returns the color image data for the given control
+     * and RGB value. The image's size is either the control's item extent
+     * or the cell editor's default extent, which is 16 pixels square.
+     *
+     * @param w the control
+     * @param color the color
+     */
+    private ImageData createColorImage(Control w, RGB color) {
+
+        GC gc = new GC(w);
+        FontMetrics fm = gc.getFontMetrics();
+        int size = fm.getAscent();
+        gc.dispose();
+
+        int indent = 6;
+        int extent = DEFAULT_EXTENT;
+        if ( auto i = cast(Table)w ) {
+            extent = i.getItemHeight() - 1;
+        } else if ( auto i = cast(Tree)w ) {
+            extent = i.getItemHeight() - 1;
+        } else if ( auto i = cast(TableTree)w ) {
+            extent = i.getItemHeight() - 1;
+        }
+
+        if (size > extent) {
+            size = extent;
+        }
+
+        int width = indent + size;
+        int height = extent;
+
+        int xoffset = indent;
+        int yoffset = (height - size) / 2;
+
+        RGB black = new RGB(0, 0, 0);
+        PaletteData dataPalette = new PaletteData([ black, black,
+                color ]);
+        ImageData data = new ImageData(width, height, 4, dataPalette);
+        data.transparentPixel = 0;
+
+        int end = size - 1;
+        for (int y = 0; y < size; y++) {
+            for (int x = 0; x < size; x++) {
+                if (x is 0 || y is 0 || x is end || y is end) {
+                    data.setPixel(x + xoffset, y + yoffset, 1);
+                } else {
+                    data.setPixel(x + xoffset, y + yoffset, 2);
+                }
+            }
+        }
+
+        return data;
+    }
+
+    /* (non-Javadoc)
+     * Method declared on DialogCellEditor.
+     */
+    protected override Control createContents(Composite cell) {
+        Color bg = cell.getBackground();
+        composite = new Composite(cell, getStyle());
+        composite.setBackground(bg);
+        composite.setLayout(new ColorCellLayout());
+        colorLabel = new Label(composite, SWT.LEFT);
+        colorLabel.setBackground(bg);
+        rgbLabel = new Label(composite, SWT.LEFT);
+        rgbLabel.setBackground(bg);
+        rgbLabel.setFont(cell.getFont());
+        return composite;
+    }
+
+    /* (non-Javadoc)
+     * Method declared on CellEditor.
+     */
+    public override void dispose() {
+        if (image !is null) {
+            image.dispose();
+            image = null;
+        }
+        super.dispose();
+    }
+
+    /* (non-Javadoc)
+     * Method declared on DialogCellEditor.
+     */
+    protected override Object openDialogBox(Control cellEditorWindow) {
+        ColorDialog dialog = new ColorDialog(cellEditorWindow.getShell());
+        Object value = getValue();
+        if (value !is null) {
+            dialog.setRGB(cast(RGB) value);
+        }
+        value = dialog.open();
+        return dialog.getRGB();
+    }
+
+    /* (non-Javadoc)
+     * Method declared on DialogCellEditor.
+     */
+    protected override void updateContents(Object value) {
+        RGB rgb = cast(RGB) value;
+        // XXX: We don't have a value the first time this method is called".
+        if (rgb is null) {
+            rgb = new RGB(0, 0, 0);
+        }
+        // XXX: Workaround for 1FMQ0P3: SWT:ALL - TableItem.setImage doesn't work if using the identical image."
+        if (image !is null) {
+            image.dispose();
+        }
+
+        ImageData id = createColorImage(colorLabel.getParent().getParent(), rgb);
+        ImageData mask = id.getTransparencyMask();
+        image = new Image(colorLabel.getDisplay(), id, mask);
+        colorLabel.setImage(image);
+
+        rgbLabel
+                .setText( Format( "({},{},{})", rgb.red, rgb.green, rgb.blue));//$NON-NLS-4$//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
+    }
+}