1 files changed, 81 insertions, 0 deletions
diff --git a/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/p2/ui/ProvUI.java b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/p2/ui/ProvUI.java
new file mode 100644
index 000000000..a09162da6
--- /dev/null
+++ b/bundles/org.eclipse.equinox.p2.ui/src/org/eclipse/equinox/p2/ui/ProvUI.java
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright (c) 2007 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.p2.ui;
+
+import org.eclipse.core.runtime.*;
+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 methods
+ * 
+ * @since 3.4
+ */
+public class ProvUI {
+
+	/**
+	 * 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.
+	 */
+	public static IAdaptable getUIInfoAdapter(final Shell shell) {
+		return new IAdaptable() {
+			public Object getAdapter(Class clazz) {
+				if (clazz == Shell.class) {
+					return shell;
+				}
+				return null;
+			}
+		};
+	}
+
+	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 void 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);
+	}
+}