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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.ui.views;
import org.eclipse.core.commands.Command;
import org.eclipse.core.commands.ParameterizedCommand;
import org.eclipse.core.expressions.EvaluationContext;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.ui.ISources;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.commands.ICommandService;
import org.eclipse.ui.handlers.IHandlerService;
import org.eclipse.ui.navigator.CommonNavigator;
/**
* Utility methods to deal with views.
*/
public class ViewsUtil {
/**
* Returns the workbench part identified by the given id.
*
* @param id The view id. Must not be <code>null</code>.
* @return The workbench part or <code>null</code>.
*/
public static IWorkbenchPart getPart(String id) {
// Check the active workbench window and active page instances
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow() != null && PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() != null) {
// Get the view reference
IViewReference reference = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findViewReference(id);
// Return the view part from the reference, but do not restore it
return reference != null ? reference.getPart(false) : null;
}
return null;
}
/**
* Asynchronously refresh the view identified by the given id.
*
* @param id The view id. Must not be <code>null</code>.
*/
public static void refresh(final String id) {
Assert.isNotNull(id);
// Create the runnable
Runnable runnable = new Runnable() {
@Override
public void run() {
// Check the active workbench window and active page instances
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow() != null && PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() != null) {
// Get the view reference
IViewReference reference = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findViewReference(id);
// Get the view part from the reference, but do not restore it
IWorkbenchPart part = reference != null ? reference.getPart(false) : null;
// If the part is a common navigator, get the common viewer
Viewer viewer = part instanceof CommonNavigator ? ((CommonNavigator)part).getCommonViewer() : null;
// If not a common navigator, try to adapt to the viewer
if (viewer == null) viewer = part != null ? (Viewer)part.getAdapter(Viewer.class) : null;
// Refresh the viewer
if (viewer != null) viewer.refresh();
}
}
};
// Execute asynchronously
if (PlatformUI.isWorkbenchRunning()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(runnable);
}
}
/**
* Asynchronously set the given selection to the view identified by the given id.
*
* @param id The view id. Must not be <code>null</code>.
* @param selection The selection or <code>null</code>.
*/
public static void setSelection(final String id, final ISelection selection) {
Assert.isNotNull(id);
// Create the runnable
Runnable runnable = new Runnable() {
@Override
public void run() {
// Check the active workbench window and active page instances
if (PlatformUI.getWorkbench().getActiveWorkbenchWindow() != null && PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage() != null) {
// Get the view reference
IViewReference reference = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().findViewReference(id);
// Get the view part from the reference, but do not restore it
IWorkbenchPart part = reference != null ? reference.getPart(false) : null;
// Get the selection provider
ISelectionProvider selectionProvider = part != null && part.getSite() != null ? part.getSite().getSelectionProvider() : null;
// And apply the selection
if (selectionProvider != null) selectionProvider.setSelection(selection);
}
}
};
// Execute asynchronously
if (PlatformUI.isWorkbenchRunning()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(runnable);
}
}
/**
* Opens the properties editor or dialog on the given selection.
*
* @param selection The selection. Must not be <code>null</code>.
*/
public static void openProperties(final ISelection selection) {
Assert.isNotNull(selection);
// Create the runnable
Runnable runnable = new Runnable() {
@Override
public void run() {
ICommandService service = (ICommandService)PlatformUI.getWorkbench().getAdapter(ICommandService.class);
if (service != null) {
final Command command = service.getCommand("org.eclipse.ui.file.properties"); //$NON-NLS-1$
if (command != null && command.isDefined()) {
// Construct the application context
EvaluationContext context = new EvaluationContext(null, selection);
// Apply the selection to the "activeMenuSelection" and "selection" variable too
context.addVariable(ISources.ACTIVE_CURRENT_SELECTION_NAME, selection);
context.addVariable(ISources.ACTIVE_MENU_SELECTION_NAME, selection);
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
context.addVariable(ISources.ACTIVE_WORKBENCH_WINDOW_NAME, window);
context.addVariable(ISources.ACTIVE_SHELL_NAME, window.getShell());
IWorkbenchPart part = window.getActivePage().getActivePart();
IWorkbenchPartSite site = part.getSite();
context.addVariable(ISources.ACTIVE_PART_ID_NAME, site.getId());
context.addVariable(ISources.ACTIVE_PART_NAME, part);
context.addVariable(ISources.ACTIVE_SITE_NAME, site);
// Allow plugin activation
context.setAllowPluginActivation(true);
// And execute the event
try {
ParameterizedCommand pCmd = ParameterizedCommand.generateCommand(command, null);
Assert.isNotNull(pCmd);
IHandlerService handlerSvc = (IHandlerService)PlatformUI.getWorkbench().getService(IHandlerService.class);
Assert.isNotNull(handlerSvc);
handlerSvc.executeCommandInContext(pCmd, null, context);
} catch (Exception e) { /* ignored on purpose */ }
}
}
}
};
// Execute asynchronously
if (PlatformUI.isWorkbenchRunning()) {
PlatformUI.getWorkbench().getDisplay().asyncExec(runnable);
}
}
}
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