| /****************************************************************************** |
| * Copyright (c) 2002, 2007 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 |
| ****************************************************************************/ |
| |
| package org.eclipse.gmf.runtime.diagram.ui.actions.internal; |
| |
| import org.eclipse.gmf.runtime.diagram.ui.actions.ActionIds; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.l10n.DiagramUIActionsMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties; |
| import org.eclipse.gmf.runtime.diagram.ui.internal.util.FontHelper; |
| import org.eclipse.gmf.runtime.diagram.ui.internal.util.IUIConstants; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.ui.IWorkbenchPage; |
| |
| /** |
| * Drop down combo box conbtribution item that changes font's size |
| * |
| * @author Natalia Balaba |
| * @canBeSeenBy %level1 |
| */ |
| public class FontSizeContributionItem |
| extends PropertyChangeContributionItem |
| implements Listener { |
| |
| /** |
| * The current font name |
| */ |
| private Integer lastFontSize; |
| |
| |
| /** |
| * Constructor for FontSizeContributionItem. |
| * @see org.eclipse.gmf.runtime.diagram.ui.ui.actions.ActionContribution#ActionContribution(IEditorPart, String) |
| */ |
| public FontSizeContributionItem(IWorkbenchPage workbenchPage) { |
| super(workbenchPage, ActionIds.CUSTOM_FONT_SIZE, |
| Properties.ID_FONTSIZE, |
| DiagramUIActionsMessages.PropertyDescriptorFactory_FontSize); |
| setLabel(DiagramUIActionsMessages.FontSizeContributionItem_tooltip); |
| } |
| |
| /** |
| * Create a drop down combo box anb populate it with font sizes |
| * |
| * @see org.eclipse.gmf.runtime.diagram.ui.ui.actions.ActionContribution#newControl(Composite) |
| */ |
| protected Control createControl(Composite parent) { |
| Combo box = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY); |
| box.setVisibleItemCount(IUIConstants.DEFAULT_DROP_DOWN_SIZE); |
| box.setItems(FontHelper.getFontSizes()); |
| box.addListener(SWT.Selection, this); |
| box.select(0); |
| return box; |
| } |
| |
| /** |
| * Assert a new proprty value to be set to the selected IView object(s) [whenever there is |
| * a mutiple selection this method will be called per valid selected item] |
| * |
| * @see org.eclipse.gmf.runtime.diagram.ui.actions.internal.PropertyChangeContributionItem#getNewPropertyValue() |
| */ |
| protected Object getNewPropertyValue() { |
| return lastFontSize; |
| } |
| |
| /** |
| * @see org.eclipse.gmf.runtime.common.ui.action.AbstractContributionItem#refreshItem() |
| */ |
| protected void refreshItem() { |
| Combo box = (Combo) getControl(); |
| Integer fontSize = (Integer) getOperationSetPropertyValue(getPropertyId(),false); |
| |
| if (fontSize != null) { |
| int index = box.indexOf(Integer.toString(fontSize.intValue())); |
| box.select(index); |
| } else { |
| box.clearSelection(); |
| } |
| super.refreshItem(); |
| } |
| |
| /** |
| * @see org.eclipse.swt.widgets.Listener#handleEvent(org.eclipse.swt.widgets.Event) |
| */ |
| public void handleEvent(Event event) { |
| Combo box = (Combo) getControl(); |
| int selectedSize = |
| Integer.parseInt(box.getItem(box.getSelectionIndex())); |
| lastFontSize = new Integer(selectedSize); |
| runWithEvent(event); |
| } |
| |
| protected boolean isOperationHistoryListener() { |
| return true; |
| } |
| |
| @Override |
| protected boolean digIntoGroups() { |
| return true; |
| } |
| } |