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/*******************************************************************************
* Copyright (c) 2007, 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
*******************************************************************************/
package org.eclipse.equinox.internal.provisional.p2.ui;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.operations.*;
import org.eclipse.core.runtime.*;
import org.eclipse.equinox.configurator.Configurator;
import org.eclipse.equinox.internal.p2.core.helpers.ServiceHelper;
import org.eclipse.equinox.internal.p2.ui.ProvUIActivator;
import org.eclipse.equinox.internal.p2.ui.ProvUIMessages;
import org.eclipse.equinox.internal.p2.ui.dialogs.ApplyProfileChangesDialog;
import org.eclipse.equinox.internal.provisional.p2.ui.viewers.IUColumnConfig;
import org.eclipse.equinox.internal.provisional.p2.ui.viewers.StructuredViewerProvisioningListener;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.statushandlers.StatusManager;
/**
* Generic provisioning UI utility and policy methods.
*
* @since 3.4
*/
public class ProvUI {
// Public constants for common command and tooltip names
public static final String INSTALL_COMMAND_LABEL = ProvUIMessages.InstallIUCommandLabel;
public static final String INSTALL_COMMAND_TOOLTIP = ProvUIMessages.InstallIUCommandTooltip;
public static final String UNINSTALL_COMMAND_LABEL = ProvUIMessages.UninstallIUCommandLabel;
public static final String UNINSTALL_COMMAND_TOOLTIP = ProvUIMessages.UninstallIUCommandTooltip;
public static final String UPDATE_COMMAND_LABEL = ProvUIMessages.UpdateIUCommandLabel;
public static final String UPDATE_COMMAND_TOOLTIP = ProvUIMessages.UpdateIUCommandTooltip;
public static final String REVERT_COMMAND_LABEL = ProvUIMessages.RevertIUCommandLabel;
public static final String REVERT_COMMAND_TOOLTIP = ProvUIMessages.RevertIUCommandTooltip;
static ObjectUndoContext provisioningUndoContext;
private static final int DEFAULT_COLUMN_WIDTH = 200;
private static IUColumnConfig[] iuColumnConfig = new IUColumnConfig[] {new IUColumnConfig(ProvUIMessages.ProvUI_NameColumnTitle, IUColumnConfig.COLUMN_NAME, DEFAULT_COLUMN_WIDTH), new IUColumnConfig(ProvUIMessages.ProvUI_VersionColumnTitle, IUColumnConfig.COLUMN_VERSION, DEFAULT_COLUMN_WIDTH)};
public static Shell getShell(IAdaptable uiInfo) {
Shell shell;
if (uiInfo != null) {
shell = (Shell) uiInfo.getAdapter(Shell.class);
if (shell != null) {
return shell;
}
}
// Get the default shell
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null) {
return window.getShell();
}
Display display = Display.getCurrent();
if (display == null) {
display = Display.getDefault();
}
return display.getActiveShell();
}
public static IStatus handleException(Throwable t, String message) {
if (message == null && t != null) {
message = t.getMessage();
}
IStatus status = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, 0, message, t);
StatusManager.getManager().handle(status, StatusManager.SHOW | StatusManager.LOG);
return status;
}
public static void reportStatus(IStatus status) {
// TODO investigate why platform status manager is so ugly with INFO status
if (status.getSeverity() == IStatus.INFO) {
MessageDialog.openInformation(null, ProvUIMessages.ProvUI_InformationTitle, status.getMessage());
return;
}
StatusManager.getManager().handle(status, StatusManager.SHOW | StatusManager.LOG);
}
public static IUColumnConfig[] getIUColumnConfig() {
return iuColumnConfig;
}
public static void setIUColumnConfig(IUColumnConfig[] columnConfig) {
iuColumnConfig = columnConfig;
}
public static void requestRestart(boolean restartRequired, Shell shell) {
int retCode = ApplyProfileChangesDialog.promptForRestart(shell, restartRequired);
if (retCode == ApplyProfileChangesDialog.PROFILE_APPLYCHANGES) {
Configurator configurator = (Configurator) ServiceHelper.getService(ProvUIActivator.getContext(), Configurator.class.getName());
try {
configurator.applyConfiguration();
} catch (IOException e) {
ProvUI.handleException(e, null);
}
} else if (retCode == ApplyProfileChangesDialog.PROFILE_RESTART) {
PlatformUI.getWorkbench().restart();
}
}
public static IUndoContext getProvisioningUndoContext() {
if (provisioningUndoContext == null) {
provisioningUndoContext = new ObjectUndoContext(new Object(), "Provisioning Undo Context"); //$NON-NLS-1$
IOperationHistory opHistory = PlatformUI.getWorkbench().getOperationSupport().getOperationHistory();
opHistory.addOperationApprover(getOperationApprover());
}
return provisioningUndoContext;
}
public static Object getAdapter(Object object, Class adapterType) {
if (object == null)
return null;
if (adapterType.isInstance(object))
return object;
if (object instanceof IAdaptable)
return ((IAdaptable) object).getAdapter(adapterType);
return null;
}
static IOperationApprover getOperationApprover() {
return new IOperationApprover() {
public IStatus proceedUndoing(final IUndoableOperation operation, IOperationHistory history, IAdaptable info) {
final IStatus[] status = new IStatus[1];
status[0] = Status.OK_STATUS;
if (operation.hasContext(provisioningUndoContext) && operation instanceof IAdvancedUndoableOperation) {
final IRunnableWithProgress runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
try {
status[0] = ((IAdvancedUndoableOperation) operation).computeUndoableStatus(monitor);
if (!status[0].isOK()) {
StatusManager.getManager().handle(status[0], StatusManager.SHOW);
}
} catch (ExecutionException e) {
status[0] = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e);
ProvUI.handleException(e.getCause(), null);
}
}
};
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
public void run() {
try {
new ProgressMonitorDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell()).run(true, true, runnable);
} catch (InterruptedException e) {
// don't report thread interruption
} catch (InvocationTargetException e) {
status[0] = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e);
ProvUI.handleException(e.getCause(), null);
}
}
});
}
return status[0];
}
public IStatus proceedRedoing(final IUndoableOperation operation, IOperationHistory history, IAdaptable info) {
final IStatus[] status = new IStatus[1];
status[0] = Status.OK_STATUS;
if (operation.hasContext(provisioningUndoContext) && operation instanceof IAdvancedUndoableOperation) {
final IRunnableWithProgress runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) {
try {
status[0] = ((IAdvancedUndoableOperation) operation).computeRedoableStatus(monitor);
if (!status[0].isOK()) {
StatusManager.getManager().handle(status[0], StatusManager.SHOW);
}
} catch (ExecutionException e) {
status[0] = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e);
ProvUI.handleException(e.getCause(), null);
}
}
};
PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
public void run() {
try {
new ProgressMonitorDialog(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell()).run(true, true, runnable);
} catch (InterruptedException e) {
// don't report thread interruption
} catch (InvocationTargetException e) {
status[0] = new Status(IStatus.ERROR, ProvUIActivator.PLUGIN_ID, e.getMessage(), e);
ProvUI.handleException(e.getCause(), null);
}
}
});
}
return status[0];
}
};
}
/**
* Make an <code>IAdaptable</code> that adapts to the specified shell,
* suitable for passing for passing to any
* {@link org.eclipse.core.commands.operations.IUndoableOperation} or
* {@link org.eclipse.core.commands.operations.IOperationHistory} method
* that requires an {@link org.eclipse.core.runtime.IAdaptable}
* <code>uiInfo</code> parameter.
*
* @param shell
* the shell that should be returned by the IAdaptable when asked
* to adapt a shell. If this parameter is <code>null</code>,
* the returned shell will also be <code>null</code>.
*
* @return an IAdaptable that will return the specified shell.
*/
static IAdaptable getUIInfoAdapter(final Shell shell) {
return new IAdaptable() {
public Object getAdapter(Class clazz) {
if (clazz == Shell.class) {
return shell;
}
return null;
}
};
}
public static void addProvisioningListener(StructuredViewerProvisioningListener listener) {
ProvUIActivator.getDefault().addProvisioningListener(listener);
}
public static void removeProvisioningListener(StructuredViewerProvisioningListener listener) {
ProvUIActivator.getDefault().removeProvisioningListener(listener);
}
}
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