| /******************************************************************************* |
| * Copyright (c) 2004, 2008 Tasktop Technologies 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: |
| * Tasktop Technologies - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.provisional.commons.ui; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.jface.dialogs.DialogPage; |
| import org.eclipse.jface.dialogs.IMessageProvider; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.mylyn.internal.commons.ui.CommonsUiPlugin; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Menu; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * @author Steffen Pingel |
| */ |
| public class CommonUiUtil { |
| |
| private static final String KEY_ENABLED = "org.eclipse.mylyn.commons.ui.enabled"; //$NON-NLS-1$ |
| |
| public static void busyCursorWhile(final ICoreRunnable runnable) throws OperationCanceledException, CoreException { |
| try { |
| IRunnableWithProgress runner = new IRunnableWithProgress() { |
| public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| runnable.run(monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } catch (OperationCanceledException e) { |
| throw new InterruptedException(); |
| } finally { |
| monitor.done(); |
| } |
| } |
| }; |
| PlatformUI.getWorkbench().getProgressService().busyCursorWhile(runner); |
| } catch (InvocationTargetException e) { |
| if (e.getCause() instanceof CoreException) { |
| throw (CoreException) e.getCause(); |
| } else { |
| CommonsUiPlugin.getDefault().getLog().log( |
| new Status(IStatus.ERROR, CommonsUiPlugin.ID_PLUGIN, "Unexpected exception", e)); //$NON-NLS-1$ |
| } |
| } catch (InterruptedException e) { |
| throw new OperationCanceledException(); |
| } |
| } |
| |
| public static void run(IRunnableContext context, final ICoreRunnable runnable) throws CoreException { |
| try { |
| IRunnableWithProgress runner = new IRunnableWithProgress() { |
| public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| runnable.run(monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } catch (OperationCanceledException e) { |
| throw new InterruptedException(); |
| } finally { |
| monitor.done(); |
| } |
| } |
| }; |
| context.run(true, true, runner); |
| } catch (InvocationTargetException e) { |
| if (e.getCause() instanceof CoreException) { |
| throw (CoreException) e.getCause(); |
| } else { |
| CommonsUiPlugin.getDefault().getLog().log( |
| new Status(IStatus.ERROR, CommonsUiPlugin.ID_PLUGIN, "Unexpected exception", e)); //$NON-NLS-1$ |
| } |
| } catch (InterruptedException e) { |
| throw new OperationCanceledException(); |
| } |
| } |
| |
| public static void runInUi(ICoreRunnable runnable, ISchedulingRule rule) throws CoreException { |
| runInUi(PlatformUI.getWorkbench().getProgressService(), runnable, rule); |
| } |
| |
| public static void runInUi(IRunnableContext context, final ICoreRunnable runnable, ISchedulingRule rule) |
| throws CoreException { |
| try { |
| IRunnableWithProgress runner = new IRunnableWithProgress() { |
| public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { |
| try { |
| runnable.run(monitor); |
| } catch (CoreException e) { |
| throw new InvocationTargetException(e); |
| } catch (OperationCanceledException e) { |
| throw new InterruptedException(); |
| } finally { |
| monitor.done(); |
| } |
| } |
| }; |
| PlatformUI.getWorkbench().getProgressService().runInUI(context, runner, rule); |
| } catch (InvocationTargetException e) { |
| if (e.getCause() instanceof CoreException) { |
| throw (CoreException) e.getCause(); |
| } else { |
| CommonsUiPlugin.getDefault().getLog().log( |
| new Status(IStatus.ERROR, CommonsUiPlugin.ID_PLUGIN, "Unexpected exception", e)); //$NON-NLS-1$ |
| } |
| } catch (InterruptedException e) { |
| throw new OperationCanceledException(); |
| } |
| } |
| |
| public static void setMessage(DialogPage page, IStatus status) { |
| String message = status.getMessage(); |
| switch (status.getSeverity()) { |
| case IStatus.OK: |
| page.setMessage(null, IMessageProvider.NONE); |
| break; |
| case IStatus.INFO: |
| page.setMessage(message, IMessageProvider.INFORMATION); |
| break; |
| case IStatus.WARNING: |
| page.setMessage(message, IMessageProvider.WARNING); |
| break; |
| default: |
| page.setMessage(message, IMessageProvider.ERROR); |
| break; |
| } |
| } |
| |
| /** |
| * Recursively sets the menu of all children of <code>composite</code>. |
| */ |
| public static void setMenu(Composite composite, Menu menu) { |
| if (!composite.isDisposed()) { |
| composite.setMenu(menu); |
| for (Control child : composite.getChildren()) { |
| child.setMenu(menu); |
| if (child instanceof Composite) { |
| setMenu((Composite) child, menu); |
| } |
| } |
| } |
| } |
| |
| public static void setEnabled(Composite composite, boolean restore) { |
| if (restore) { |
| restoreState(composite); |
| } else { |
| saveStateAndDisable(composite); |
| } |
| } |
| |
| private static void saveStateAndDisable(Composite composite) { |
| if (!composite.isDisposed()) { |
| Object data = composite.getData(KEY_ENABLED); |
| if (data == null) { |
| if (!composite.getEnabled()) { |
| composite.setData(KEY_ENABLED, Boolean.FALSE); |
| } else { |
| composite.setData(KEY_ENABLED, Boolean.TRUE); |
| composite.setEnabled(false); |
| } |
| } |
| for (Control control : composite.getChildren()) { |
| if (control instanceof Composite) { |
| saveStateAndDisable((Composite) control); |
| } else { |
| data = control.getData(KEY_ENABLED); |
| if (data == null) { |
| if (!control.getEnabled()) { |
| control.setData(KEY_ENABLED, Boolean.FALSE); |
| } else { |
| control.setData(KEY_ENABLED, Boolean.TRUE); |
| control.setEnabled(false); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private static void restoreState(Composite composite) { |
| if (!composite.isDisposed()) { |
| Object data = composite.getData(KEY_ENABLED); |
| if (data != null) { |
| if (data == Boolean.TRUE) { |
| composite.setEnabled(data == Boolean.TRUE); |
| } |
| composite.setData(KEY_ENABLED, null); |
| } |
| for (Control control : composite.getChildren()) { |
| if (control instanceof Composite) { |
| restoreState((Composite) control); |
| } else { |
| data = control.getData(KEY_ENABLED); |
| if (data != null) { |
| if (data == Boolean.TRUE) { |
| control.setEnabled(true); |
| } |
| control.setData(KEY_ENABLED, null); |
| } |
| } |
| } |
| } |
| } |
| } |