diff org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewerFocusCellManager.d @ 12:bc29606a740c

Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/org.eclipse.jface/src/org/eclipse/jface/viewers/TableViewerFocusCellManager.d	Sat Mar 14 18:23:29 2009 +0100
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+/*******************************************************************************
+ * Copyright (c) 2007, 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> - initial API and implementation
+ *                                                 fix in bug: 210752
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+
+module org.eclipse.jface.viewers.TableViewerFocusCellManager;
+
+import org.eclipse.jface.viewers.SWTFocusCellManager;
+import org.eclipse.jface.viewers.CellNavigationStrategy;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.FocusCellHighlighter;
+import org.eclipse.jface.viewers.ViewerCell;
+
+import org.eclipse.swt.widgets.Table;
+
+import java.lang.all;
+import java.util.Set;
+
+/**
+ * This class is responsible to provide the concept of cells for {@link Table}.
+ * This concept is needed to provide features like editor activation with the
+ * keyboard
+ *
+ * @since 3.3
+ *
+ */
+public class TableViewerFocusCellManager : SWTFocusCellManager {
+    private static const CellNavigationStrategy TABLE_NAVIGATE;
+    static this(){
+        TABLE_NAVIGATE = new CellNavigationStrategy();
+    }
+
+    /**
+     * Create a new manager with a default navigation strategy:
+     * <ul>
+     * <li><code>SWT.ARROW_UP</code>: navigate to cell above</li>
+     * <li><code>SWT.ARROW_DOWN</code>: navigate to cell below</li>
+     * <li><code>SWT.ARROW_RIGHT</code>: navigate to next visible cell on
+     * the right</li>
+     * <li><code>SWT.ARROW_LEFT</code>: navigate to next visible cell on the
+     * left</li>
+     * </ul>
+     *
+     * @param viewer
+     *            the viewer the manager is bound to
+     * @param focusDrawingDelegate
+     *            the delegate responsible to highlight selected cell
+     */
+    public this(TableViewer viewer,
+            FocusCellHighlighter focusDrawingDelegate) {
+        this(viewer, focusDrawingDelegate, TABLE_NAVIGATE);
+    }
+
+    /**
+     * Create a new manager
+     *
+     * @param viewer
+     *            the viewer the manager is bound to
+     * @param focusDrawingDelegate
+     *            the delegate responsible to highlight selected cell
+     * @param navigationStrategy
+     *            the strategy used to navigate the cells
+     * @since 3.4
+     */
+    public this(TableViewer viewer,
+            FocusCellHighlighter focusDrawingDelegate,
+            CellNavigationStrategy navigationStrategy) {
+        super(viewer, focusDrawingDelegate, navigationStrategy);
+    }
+
+    override ViewerCell getInitialFocusCell() {
+        Table table = cast(Table) getViewer().getControl();
+
+        if (! table.isDisposed() && table.getItemCount() > 0 && ! table.getItem(0).isDisposed()) {
+            return getViewer().getViewerRowFromItem_package(table.getItem(0))
+                    .getCell(0);
+        }
+
+        return null;
+    }
+
+    public ViewerCell getFocusCell() {
+        ViewerCell cell = super.getFocusCell();
+        Table t = cast(Table) getViewer().getControl();
+
+        // It is possible that the selection has changed under the hood
+        if (cell !is null) {
+            if (t.getSelection().length is 1
+                    && t.getSelection()[0] !is cell.getItem()) {
+                setFocusCell(getViewer().getViewerRowFromItem_package(
+                        t.getSelection()[0]).getCell(cell.getColumnIndex()));
+            }
+        }
+
+        return super.getFocusCell();
+    }
+
+}