Mercurial > projects > dwt2
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> |
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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 @@ -0,0 +1,108 @@ +/******************************************************************************* + * 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(); + } + +}