| /******************************************************************************* |
| * Copyright (c) 2004, 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 |
| * Wind River Systems - Ted Williams - [Memory View] Memory View: Workflow Enhancements (Bug 215432) |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.internal.ui.views.memory; |
| |
| import org.eclipse.swt.custom.CTabFolder; |
| import org.eclipse.swt.custom.CTabItem; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| |
| /** |
| * Controls view tab enablement based on tab folder selection |
| * |
| * @since 3.0 |
| */ |
| public class ViewTabEnablementManager implements SelectionListener { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent) |
| */ |
| public void widgetSelected(SelectionEvent e) { |
| if (e.getSource() instanceof CTabFolder) |
| { |
| handleTabFolderSelection(e); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent) |
| */ |
| public void widgetDefaultSelected(SelectionEvent e) { |
| |
| |
| } |
| |
| private void handleTabFolderSelection(SelectionEvent event) |
| { |
| CTabFolder folder = (CTabFolder)event.getSource(); |
| |
| CTabItem selectedItem = folder.getSelection(); |
| IMemoryViewTab selectedViewTab; |
| |
| // get selected view tab |
| if (selectedItem != null) |
| { |
| Object obj = selectedItem.getData(); |
| |
| if (obj instanceof IMemoryViewTab) |
| { |
| selectedViewTab = (IMemoryViewTab)obj; |
| } |
| else |
| { |
| return; |
| } |
| } |
| else |
| { |
| return; |
| } |
| |
| // get all tabs |
| CTabItem[] allTabs = folder.getItems(); |
| |
| // check all tabs to make sure they are enabled/disabled properly |
| for (int i=0; i<allTabs.length; i++) |
| { |
| IMemoryViewTab viewTab; |
| Object obj = allTabs[i].getData(); |
| |
| if (obj instanceof IMemoryViewTab) |
| { |
| viewTab = (IMemoryViewTab)obj; |
| |
| // if view tab matches the selected item |
| if (viewTab == selectedViewTab && !viewTab.isEnabled() ) |
| { |
| // if the item has been selected and this tab is not enabled |
| // enable it. |
| viewTab.setEnabled(true); |
| viewTab.getRendering().activated(); |
| |
| } |
| else if (viewTab != selectedViewTab && viewTab.isEnabled()) |
| { |
| // if the tab is not selected, disable it |
| viewTab.setEnabled(false); |
| viewTab.getRendering().deactivated(); |
| } |
| } |
| } |
| } |
| |
| } |