--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/viewers/ComboBoxCellEditor.d	Sat Mar 14 18:23:29 2009 +0100
@@ -0,0 +1,306 @@
+/*******************************************************************************
+ * 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
+ *     Tom Schindl <tom.schindl@bestsolution.at> - bugfix in 174739
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+
+module org.eclipse.jface.viewers.ComboBoxCellEditor;
+
+import org.eclipse.jface.viewers.CellEditor;
+import org.eclipse.jface.viewers.AbstractComboBoxCellEditor;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.CCombo;
+import org.eclipse.swt.events.FocusAdapter;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.KeyAdapter;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.TraverseEvent;
+import org.eclipse.swt.events.TraverseListener;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.core.runtime.Assert;
+
+import java.lang.all;
+import java.util.Set;
+import tango.text.convert.Format;
+
+/**
+ * A cell editor that presents a list of items in a combo box. The cell editor's
+ * value is the zero-based index of the selected item.
+ * <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 ComboBoxCellEditor : AbstractComboBoxCellEditor {
+
+    /**
+     * The list of items to present in the combo box.
+     */
+    private String[] items;
+
+    /**
+     * The zero-based index of the selected item.
+     */
+    int selection;
+
+    /**
+     * The custom combo box control.
+     */
+    CCombo comboBox;
+
+    /**
+     * Default ComboBoxCellEditor style
+     */
+    private static const int defaultStyle = SWT.NONE;
+
+    /**
+     * Creates a new cell editor with no control and no st of choices.
+     * Initially, the cell editor has no cell validator.
+     *
+     * @since 2.1
+     * @see CellEditor#setStyle
+     * @see CellEditor#create
+     * @see ComboBoxCellEditor#setItems
+     * @see CellEditor#dispose
+     */
+    public this() {
+        setStyle(defaultStyle);
+    }
+
+    /**
+     * Creates a new cell editor with a combo containing the given list of
+     * choices and parented under the given control. The cell editor value is
+     * the zero-based index of the selected item. Initially, the cell editor has
+     * no cell validator and the first item in the list is selected.
+     *
+     * @param parent
+     *            the parent control
+     * @param items
+     *            the list of strings for the combo box
+     */
+    public this(Composite parent, String[] items) {
+        this(parent, items, defaultStyle);
+    }
+
+    /**
+     * Creates a new cell editor with a combo containing the given list of
+     * choices and parented under the given control. The cell editor value is
+     * the zero-based index of the selected item. Initially, the cell editor has
+     * no cell validator and the first item in the list is selected.
+     *
+     * @param parent
+     *            the parent control
+     * @param items
+     *            the list of strings for the combo box
+     * @param style
+     *            the style bits
+     * @since 2.1
+     */
+    public this(Composite parent, String[] items, int style) {
+        super(parent, style);
+        setItems(items);
+    }
+
+    /**
+     * Returns the list of choices for the combo box
+     *
+     * @return the list of choices for the combo box
+     */
+    public String[] getItems() {
+        return this.items;
+    }
+
+    /**
+     * Sets the list of choices for the combo box
+     *
+     * @param items
+     *            the list of choices for the combo box
+     */
+    public void setItems(String[] items) {
+//         Assert.isNotNull(items);
+        this.items = items;
+        populateComboBoxItems();
+    }
+
+    /*
+     * (non-Javadoc) Method declared on CellEditor.
+     */
+    protected override Control createControl(Composite parent) {
+
+        comboBox = new CCombo(parent, getStyle());
+        comboBox.setFont(parent.getFont());
+
+        populateComboBoxItems();
+
+        comboBox.addKeyListener(new class KeyAdapter {
+            // hook key pressed - see PR 14201
+            public void keyPressed(KeyEvent e) {
+                keyReleaseOccured(e);
+            }
+        });
+
+        comboBox.addSelectionListener(new class SelectionAdapter {
+            public void widgetDefaultSelected(SelectionEvent event) {
+                applyEditorValueAndDeactivate();
+            }
+
+            public void widgetSelected(SelectionEvent event) {
+                selection = comboBox.getSelectionIndex();
+            }
+        });
+
+        comboBox.addTraverseListener(new class TraverseListener {
+            public void keyTraversed(TraverseEvent e) {
+                if (e.detail is SWT.TRAVERSE_ESCAPE
+                        || e.detail is SWT.TRAVERSE_RETURN) {
+                    e.doit = false;
+                }
+            }
+        });
+
+        comboBox.addFocusListener(new class FocusAdapter {
+            public void focusLost(FocusEvent e) {
+                this.outer.focusLost();
+            }
+        });
+        return comboBox;
+    }
+
+    /**
+     * The <code>ComboBoxCellEditor</code> implementation of this
+     * <code>CellEditor</code> framework method returns the zero-based index
+     * of the current selection.
+     *
+     * @return the zero-based index of the current selection wrapped as an
+     *         <code>Integer</code>
+     */
+    protected override Object doGetValue() {
+        return new ValueWrapperInt(selection);
+    }
+
+    /*
+     * (non-Javadoc) Method declared on CellEditor.
+     */
+    protected override void doSetFocus() {
+        comboBox.setFocus();
+    }
+
+    /**
+     * The <code>ComboBoxCellEditor</code> implementation of this
+     * <code>CellEditor</code> framework method sets the minimum width of the
+     * cell. The minimum width is 10 characters if <code>comboBox</code> is
+     * not <code>null</code> or <code>disposed</code> else it is 60 pixels
+     * to make sure the arrow button and some text is visible. The list of
+     * CCombo will be wide enough to show its longest item.
+     */
+    public override LayoutData getLayoutData() {
+        LayoutData layoutData = super.getLayoutData();
+        if ((comboBox is null) || comboBox.isDisposed()) {
+            layoutData.minimumWidth = 60;
+        } else {
+            // make the comboBox 10 characters wide
+            GC gc = new GC(comboBox);
+            layoutData.minimumWidth = (gc.getFontMetrics()
+                    .getAverageCharWidth() * 10) + 10;
+            gc.dispose();
+        }
+        return layoutData;
+    }
+
+    /**
+     * The <code>ComboBoxCellEditor</code> implementation of this
+     * <code>CellEditor</code> framework method accepts a zero-based index of
+     * a selection.
+     *
+     * @param value
+     *            the zero-based index of the selection wrapped as an
+     *            <code>Integer</code>
+     */
+    protected override void doSetValue(Object value) {
+        Assert.isTrue(comboBox !is null && (cast(ValueWrapperInt)value ));
+        selection = (cast(ValueWrapperInt) value).value;
+        comboBox.select(selection);
+    }
+
+    /**
+     * Updates the list of choices for the combo box for the current control.
+     */
+    private void populateComboBoxItems() {
+        if (comboBox !is null && items !is null) {
+            comboBox.removeAll();
+            for (int i = 0; i < items.length; i++) {
+                comboBox.add(items[i], i);
+            }
+
+            setValueValid(true);
+            selection = 0;
+        }
+    }
+
+    /**
+     * Applies the currently selected value and deactivates the cell editor
+     */
+    void applyEditorValueAndDeactivate() {
+        // must set the selection before getting value
+        selection = comboBox.getSelectionIndex();
+        Object newValue = doGetValue();
+        markDirty();
+        bool isValid = isCorrect(newValue);
+        setValueValid(isValid);
+
+        if (!isValid) {
+            // Only format if the 'index' is valid
+            if (items.length > 0 && selection >= 0 && selection < items.length) {
+                // try to insert the current value into the error message.
+                setErrorMessage(Format(getErrorMessage(),
+                        [ items[selection] ]));
+            } else {
+                // Since we don't have a valid index, assume we're using an
+                // 'edit'
+                // combo so format using its text value
+                setErrorMessage(Format(getErrorMessage(),
+                        [ comboBox.getText() ]));
+            }
+        }
+
+        fireApplyEditorValue();
+        deactivate();
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.eclipse.jface.viewers.CellEditor#focusLost()
+     */
+    protected override void focusLost() {
+        if (isActivated()) {
+            applyEditorValueAndDeactivate();
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     *
+     * @see org.eclipse.jface.viewers.CellEditor#keyReleaseOccured(org.eclipse.swt.events.KeyEvent)
+     */
+    protected override void keyReleaseOccured(KeyEvent keyEvent) {
+        if (keyEvent.character is '\u001b') { // Escape character
+            fireCancelEditor();
+        } else if (keyEvent.character is '\t') { // tab key
+            applyEditorValueAndDeactivate();
+        }
+    }
+}