Mercurial > projects > dwt2
view org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractComboBoxCellEditor.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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/******************************************************************************* * Copyright (c) 2008 Tom Schindl 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: * Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation (bug 174739) * Port to the D programming language: * Frank Benoit <benoit@tionex.de> ******************************************************************************/ module org.eclipse.jface.viewers.AbstractComboBoxCellEditor; import org.eclipse.jface.viewers.CellEditor; import org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.widgets.Composite; import java.lang.all; import java.util.Set; /** * Abstract base class for Cell-Editors presented as combo boxes * * @since 3.4 * */ abstract class AbstractComboBoxCellEditor : CellEditor { /** * The list is dropped down when the activation is done through the mouse */ public static const int DROP_DOWN_ON_MOUSE_ACTIVATION = 1; /** * The list is dropped down when the activation is done through the keyboard */ public static const int DROP_DOWN_ON_KEY_ACTIVATION = 1 << 1; /** * The list is dropped down when the activation is done without * ui-interaction */ public static const int DROP_DOWN_ON_PROGRAMMATIC_ACTIVATION = 1 << 2; /** * The list is dropped down when the activation is done by traversing from * cell to cell */ public static const int DROP_DOWN_ON_TRAVERSE_ACTIVATION = 1 << 3; private int activationStyle = SWT.NONE; /** * Create a new cell-editor * * @param parent * the parent of the combo * @param style * the style used to create the combo */ this(Composite parent, int style) { super(parent, style); } /** * Creates a new cell editor with no control and no st of choices. * Initially, the cell editor has no cell validator. * */ this() { } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.CellEditor#activate(org.eclipse.jface.viewers.ColumnViewerEditorActivationEvent) */ public void activate(ColumnViewerEditorActivationEvent activationEvent) { super.activate(activationEvent); if (activationStyle !is SWT.NONE) { bool dropDown = false; if ((activationEvent.eventType is ColumnViewerEditorActivationEvent.MOUSE_CLICK_SELECTION || activationEvent.eventType is ColumnViewerEditorActivationEvent.MOUSE_DOUBLE_CLICK_SELECTION) && (activationStyle & DROP_DOWN_ON_MOUSE_ACTIVATION) !is 0 ) { dropDown = true; } else if (activationEvent.eventType is ColumnViewerEditorActivationEvent.KEY_PRESSED && (activationStyle & DROP_DOWN_ON_KEY_ACTIVATION) !is 0 ) { dropDown = true; } else if (activationEvent.eventType is ColumnViewerEditorActivationEvent.PROGRAMMATIC && (activationStyle & DROP_DOWN_ON_PROGRAMMATIC_ACTIVATION) !is 0) { dropDown = true; } else if (activationEvent.eventType is ColumnViewerEditorActivationEvent.TRAVERSAL && (activationStyle & DROP_DOWN_ON_TRAVERSE_ACTIVATION) !is 0) { dropDown = true; } if (dropDown) { getControl().getDisplay().asyncExec(new class Runnable { public void run() { (cast(CCombo) getControl()).setListVisible(true); } }); } } } /** * This method allows to control how the combo reacts when activated * * @param activationStyle * the style used */ public void setActivationStyle(int activationStyle) { this.activationStyle = activationStyle; } }