| /******************************************************************************* |
| * Copyright (c) 2001, 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal.properties; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.IStatusLineManager; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.part.IPageSite; |
| import org.eclipse.ui.part.PageBookView; |
| import org.eclipse.ui.views.properties.IPropertySheetEntry; |
| import org.eclipse.ui.views.properties.IPropertySheetPage; |
| import org.eclipse.ui.views.properties.IPropertySource; |
| import org.eclipse.ui.views.properties.IPropertySourceProvider; |
| import org.eclipse.ui.views.properties.PropertySheetPage; |
| import org.eclipse.wst.sse.ui.views.properties.IPropertySourceExtension; |
| import org.eclipse.wst.sse.ui.views.properties.PropertySheetConfiguration; |
| |
| |
| /** |
| * A configurable IPropertySheetPage since the standard PropertySheetPage does |
| * not expose its viewer field. |
| */ |
| |
| public class ConfigurablePropertySheetPage extends PropertySheetPage { |
| private class NullPropertySheetConfiguration extends PropertySheetConfiguration { |
| public IPropertySourceProvider getPropertySourceProvider(IPropertySheetPage page) { |
| return null; |
| } |
| } |
| |
| private static final boolean _DEBUG = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.sse.ui/propertySheet")); //$NON-NLS-1$ //$NON-NLS-2$;; |
| |
| private long _DEBUG_TIME = 0; |
| |
| private PropertySheetConfiguration fConfiguration; |
| private Object[] fSelectedEntries = null; |
| private ISelection fInput = null; |
| private IMenuManager fMenuManager; |
| |
| private RemoveAction fRemoveAction; |
| |
| private IStatusLineManager fStatusLineManager; |
| |
| private IToolBarManager fToolBarManager; |
| |
| private final PropertySheetConfiguration NULL_CONFIGURATION = new NullPropertySheetConfiguration(); |
| |
| public ConfigurablePropertySheetPage() { |
| super(); |
| } |
| |
| public void createControl(Composite parent) { |
| setPropertySourceProvider(getConfiguration().getPropertySourceProvider(this)); |
| super.createControl(parent); |
| } |
| |
| public void dispose() { |
| setConfiguration(null); |
| getSite().getWorkbenchWindow().getSelectionService().removePostSelectionListener(this); |
| fSelectedEntries = null; |
| fInput = null; |
| super.dispose(); |
| } |
| |
| public PropertySheetConfiguration getConfiguration() { |
| if (fConfiguration == null) |
| fConfiguration = NULL_CONFIGURATION; |
| return fConfiguration; |
| } |
| |
| public void handleEntrySelection(ISelection selection) { |
| if (getControl() != null && !getControl().isDisposed() && selection != null) { |
| super.handleEntrySelection(selection); |
| if (selection instanceof IStructuredSelection) { |
| fSelectedEntries = ((IStructuredSelection) selection).toArray(); |
| } |
| else { |
| fSelectedEntries = null; |
| } |
| fRemoveAction.setEnabled(!selection.isEmpty()); |
| } |
| } |
| |
| public void init(IPageSite pageSite) { |
| super.init(pageSite); |
| pageSite.getWorkbenchWindow().getSelectionService().addPostSelectionListener(this); |
| } |
| |
| public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) { |
| super.makeContributions(menuManager, toolBarManager, statusLineManager); |
| fMenuManager = menuManager; |
| fToolBarManager = toolBarManager; |
| fStatusLineManager = statusLineManager; |
| |
| fRemoveAction = new RemoveAction(this); |
| toolBarManager.add(fRemoveAction); |
| menuManager.add(fRemoveAction); |
| getConfiguration().addContributions(menuManager, toolBarManager, statusLineManager); |
| |
| menuManager.update(true); |
| } |
| |
| void remove() { |
| if (fSelectedEntries != null) { |
| Object[] entries = fSelectedEntries; |
| ISelection selection = fInput; |
| boolean needsRefresh = false; |
| if (selection != null && !selection.isEmpty() && selection instanceof IStructuredSelection) { |
| IPropertySource source = getConfiguration().getPropertySourceProvider(this).getPropertySource(((IStructuredSelection) selection).getFirstElement()); |
| if (source != null && source instanceof IPropertySourceExtension) { |
| for (int i = 0; i < entries.length; i++) { |
| if (entries[i] instanceof IPropertySheetEntry) { |
| IPropertySheetEntry entry = (IPropertySheetEntry) entries[i]; |
| needsRefresh = true; |
| ((IPropertySourceExtension) source).removeProperty(entry.getDisplayName()); |
| } |
| } |
| } |
| } |
| if (needsRefresh) { |
| refresh(); |
| } |
| } |
| } |
| |
| /* |
| * Filter the selection through the current Configuration. Not every |
| * selection received is a Structured selection nor are the Structured |
| * selection's elements all to be displayed. |
| * |
| * @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.IWorkbenchPart, |
| * org.eclipse.jface.viewers.ISelection) |
| */ |
| public void selectionChanged(IWorkbenchPart part, ISelection selection) { |
| if (_DEBUG) { |
| _DEBUG_TIME = System.currentTimeMillis(); |
| } |
| // skip if we're the source of this selection |
| if (part != null && part instanceof PageBookView) { |
| if (((PageBookView) part).getCurrentPage() == this) |
| return; |
| } |
| if (getControl() != null && getControl().isVisible()) { |
| ISelection preferredSelection = getConfiguration().getInputSelection(part, selection); |
| /* |
| * Do some minor caching of the selection. |
| * |
| * As a PropertySheetPage, we've always notified of selection |
| * changes, but we've also subscribed to post selection |
| * notification so we can track caret movements in source viewers. |
| * When selecting a block of text, we're thus notified of the new |
| * selection twice. Remembering what our last *effective* |
| * selection was allows us to cut out most of the |
| * double-notification penalty. |
| */ |
| if (!preferredSelection.equals(fInput)) { |
| fInput = preferredSelection; |
| fSelectedEntries = null; |
| super.selectionChanged(part, preferredSelection); |
| } |
| |
| if (_DEBUG) { |
| System.out.println("(P:service " + (System.currentTimeMillis() - _DEBUG_TIME) + "ms) " + part + " : " + ((IStructuredSelection) preferredSelection).getFirstElement()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| } |
| else if (_DEBUG) { |
| System.out.println("[skipped] (P:" + (System.currentTimeMillis() - _DEBUG_TIME) + "ms) " + part + " : " + selection); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ |
| } |
| } |
| |
| /** |
| * @param configuration |
| * The configuration to set. |
| */ |
| public void setConfiguration(PropertySheetConfiguration configuration) { |
| if (fConfiguration != null) { |
| fConfiguration.removeContributions(fMenuManager, fToolBarManager, fStatusLineManager); |
| fConfiguration.unconfigure(); |
| } |
| |
| fConfiguration = configuration; |
| |
| if (fConfiguration != null) { |
| setPropertySourceProvider(fConfiguration.getPropertySourceProvider(this)); |
| fConfiguration.addContributions(fMenuManager, fToolBarManager, fStatusLineManager); |
| } |
| } |
| |
| public void setFocus() { |
| super.setFocus(); |
| } |
| } |