| /******************************************************************************* |
| * Copyright (c) 2000, 2004 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.pde.internal.ui.editor; |
| |
| import org.eclipse.ui.*; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.viewers.*; |
| import org.eclipse.ui.part.*; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.views.properties.*; |
| import org.eclipse.swt.*; |
| import java.util.*; |
| |
| public class PDEMultiPagePropertySheet implements IPropertySheetPage { |
| private PageBook pagebook; |
| private Hashtable recMap = new Hashtable(); |
| private PropertySheetPage defaultPage; |
| private IActionBars actionBars; |
| private IPropertySheetPage currentPage; |
| private boolean disposed = false; |
| |
| class PageRec { |
| IPropertySheetPage page; |
| SubActionBars bars; |
| void setBarsActive(boolean active) { |
| if (active) |
| bars.activate(); |
| else |
| bars.deactivate(); |
| } |
| void dispose() { |
| if (bars!=null) { |
| bars.dispose(); |
| bars = null; |
| } |
| if (page!=null) { |
| page.dispose(); |
| page = null; |
| } |
| } |
| } |
| |
| public PDEMultiPagePropertySheet() { |
| defaultPage = new PropertySheetPage(); |
| } |
| |
| public void createControl(Composite parent) { |
| disposed = false; |
| pagebook = new PageBook(parent, SWT.NULL); |
| defaultPage.createControl(pagebook); |
| if (currentPage != null) |
| setPageActive(currentPage); |
| } |
| private PageRec createPageRec(IPropertySheetPage page) { |
| if (actionBars == null) |
| return null; |
| PageRec rec = new PageRec(); |
| rec.page = page; |
| |
| rec.bars = new SubActionBars(actionBars); |
| getPageControl(page); |
| |
| page.setActionBars(rec.bars); |
| recMap.put(page, rec); |
| return rec; |
| } |
| public void dispose() { |
| updateActionBars(); |
| |
| for (Enumeration enm=recMap.elements(); enm.hasMoreElements();) { |
| PageRec rec = (PageRec)enm.nextElement(); |
| rec.dispose(); |
| } |
| recMap.clear(); |
| |
| if (pagebook != null && !pagebook.isDisposed()) { |
| pagebook.dispose(); |
| } |
| if (defaultPage!=null) { |
| defaultPage.dispose(); |
| defaultPage=null; |
| } |
| pagebook = null; |
| disposed = true; |
| } |
| |
| public boolean isDisposed() { |
| return disposed; |
| } |
| |
| public Control getControl() { |
| return pagebook; |
| } |
| |
| public void closeActiveEditor() { |
| if (currentPage==null) return; |
| } |
| |
| private Control getPageControl(IPropertySheetPage page) { |
| Control control = page.getControl(); |
| if (control == null || control.isDisposed()) { |
| // first time |
| page.createControl(pagebook); |
| control = page.getControl(); |
| } |
| return control; |
| } |
| public void selectionChanged(IWorkbenchPart part, ISelection sel) { |
| if (currentPage != null) |
| currentPage.selectionChanged(part, sel); |
| } |
| public void setActionBars(IActionBars bars) { |
| this.actionBars = bars; |
| |
| createPageRec(defaultPage); |
| |
| if (currentPage != null) { |
| PageRec rec = createPageRec(currentPage); |
| setPageActive(rec); |
| updateActionBars(); |
| } |
| } |
| public void setDefaultPageActive() { |
| setPageActive(defaultPage); |
| } |
| public void setFocus() { |
| if (currentPage != null) |
| currentPage.setFocus(); |
| } |
| private void setPageActive(PageRec pageRec) { |
| IPropertySheetPage page = pageRec.page; |
| Control control = getPageControl(page); |
| pagebook.showPage(control); |
| pageRec.setBarsActive(true); |
| } |
| public void setPageActive(IPropertySheetPage page) { |
| IPropertySheetPage oldPage = currentPage; |
| this.currentPage = page; |
| if (pagebook == null) { |
| // still not being made |
| return; |
| } |
| if (oldPage != null) { |
| PageRec oldRec = (PageRec) recMap.get(oldPage); |
| if (oldRec != null) { |
| oldRec.setBarsActive(false); |
| } |
| } |
| PageRec rec = (PageRec) recMap.get(page); |
| if (rec == null) { |
| rec = createPageRec(page); |
| } |
| if (rec != null) { |
| setPageActive(rec); |
| updateActionBars(); |
| } |
| } |
| private void updateActionBars() { |
| refreshGlobalActionHandlers(); |
| actionBars.updateActionBars(); |
| } |
| private void refreshGlobalActionHandlers() { |
| // Clear old actions. |
| actionBars.clearGlobalActionHandlers(); |
| |
| // Set new actions. |
| if (recMap == null || currentPage == null) |
| return; |
| PageRec activeRec = (PageRec) recMap.get(currentPage); |
| Map newActionHandlers = activeRec.bars.getGlobalActionHandlers(); |
| if (newActionHandlers != null) { |
| Set keys = newActionHandlers.entrySet(); |
| Iterator iter = keys.iterator(); |
| while (iter.hasNext()) { |
| Map.Entry entry = (Map.Entry) iter.next(); |
| actionBars.setGlobalActionHandler( |
| (String) entry.getKey(), |
| (IAction) entry.getValue()); |
| } |
| } |
| } |
| } |