| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.ResourceBundle; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jface.action.IAction; |
| import org.eclipse.jface.dialogs.*; |
| import org.eclipse.jface.operation.IRunnableWithProgress; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.team.core.TeamException; |
| import org.eclipse.team.ui.TeamImages; |
| |
| public class Utils { |
| |
| /** |
| * The SortOperation takes a collection of objects and returns |
| * a sorted collection of these objects. Concrete instances of this |
| * class provide the criteria for the sorting of the objects based on |
| * the type of the objects. |
| */ |
| static public abstract class Sorter { |
| /** |
| * Returns true is elementTwo is 'greater than' elementOne |
| * This is the 'ordering' method of the sort operation. |
| * Each subclass overides this method with the particular |
| * implementation of the 'greater than' concept for the |
| * objects being sorted. |
| */ |
| public abstract boolean compare(Object elementOne, Object elementTwo); |
| /** |
| * Sort the objects in sorted collection and return that collection. |
| */ |
| private Object[] quickSort(Object[] sortedCollection, int left, int right) { |
| int originalLeft = left; |
| int originalRight = right; |
| Object mid = sortedCollection[ (left + right) / 2]; |
| do { |
| while (compare(sortedCollection[left], mid)) |
| left++; |
| while (compare(mid, sortedCollection[right])) |
| right--; |
| if (left <= right) { |
| Object tmp = sortedCollection[left]; |
| sortedCollection[left] = sortedCollection[right]; |
| sortedCollection[right] = tmp; |
| left++; |
| right--; |
| } |
| } while (left <= right); |
| if (originalLeft < right) |
| sortedCollection = quickSort(sortedCollection, originalLeft, right); |
| if (left < originalRight) |
| sortedCollection = quickSort(sortedCollection, left, originalRight); |
| return sortedCollection; |
| } |
| /** |
| * Return a new sorted collection from this unsorted collection. |
| * Sort using quick sort. |
| */ |
| public Object[] sort(Object[] unSortedCollection) { |
| int size = unSortedCollection.length; |
| Object[] sortedCollection = new Object[size]; |
| //copy the array so can return a new sorted collection |
| System.arraycopy(unSortedCollection, 0, sortedCollection, 0, size); |
| if (size > 1) |
| quickSort(sortedCollection, 0, size - 1); |
| return sortedCollection; |
| } |
| } |
| |
| |
| /** |
| * Shows the given errors to the user. |
| * |
| * @param Exception the exception containing the error |
| * @param title the title of the error dialog |
| * @param message the message for the error dialog |
| * @param shell the shell to open the error dialog in |
| */ |
| public static void handleError(Shell shell, Exception exception, String title, String message) { |
| IStatus status = null; |
| boolean log = false; |
| boolean dialog = false; |
| Throwable t = exception; |
| if (exception instanceof TeamException) { |
| status = ((TeamException)exception).getStatus(); |
| log = false; |
| dialog = true; |
| } else if (exception instanceof InvocationTargetException) { |
| t = ((InvocationTargetException)exception).getTargetException(); |
| if (t instanceof TeamException) { |
| status = ((TeamException)t).getStatus(); |
| log = false; |
| dialog = true; |
| } else if (t instanceof CoreException) { |
| status = ((CoreException)t).getStatus(); |
| log = true; |
| dialog = true; |
| } else if (t instanceof InterruptedException) { |
| return; |
| } else { |
| status = new Status(IStatus.ERROR, TeamUIPlugin.ID, 1, Policy.bind("TeamAction.internal"), t); //$NON-NLS-1$ |
| log = true; |
| dialog = true; |
| } |
| } |
| if (status == null) return; |
| if (!status.isOK()) { |
| IStatus toShow = status; |
| if (status.isMultiStatus()) { |
| IStatus[] children = status.getChildren(); |
| if (children.length == 1) { |
| toShow = children[0]; |
| } |
| } |
| if (title == null) { |
| title = status.getMessage(); |
| } |
| if (message == null) { |
| message = status.getMessage(); |
| } |
| if (dialog && shell != null) { |
| ErrorDialog.openError(shell, title, message, toShow); |
| } |
| if (log || shell == null) { |
| TeamUIPlugin.log(toShow.getSeverity(), message, t); |
| } |
| } |
| } |
| public static void runWithProgress(Shell parent, boolean cancelable, |
| final IRunnableWithProgress runnable) throws InvocationTargetException, InterruptedException { |
| boolean createdShell = false; |
| try { |
| if (parent == null || parent.isDisposed()) { |
| Display display = Display.getCurrent(); |
| if (display == null) { |
| // cannot provide progress (not in UI thread) |
| runnable.run(new NullProgressMonitor()); |
| return; |
| } |
| // get the active shell or a suitable top-level shell |
| parent = display.getActiveShell(); |
| if (parent == null) { |
| parent = new Shell(display); |
| createdShell = true; |
| } |
| } |
| // pop up progress dialog after a short delay |
| final Exception[] holder = new Exception[1]; |
| BusyIndicator.showWhile(parent.getDisplay(), new Runnable() { |
| public void run() { |
| try { |
| runnable.run(new NullProgressMonitor()); |
| } catch (InvocationTargetException e) { |
| holder[0] = e; |
| } catch (InterruptedException e) { |
| holder[0] = e; |
| } |
| } |
| }); |
| if (holder[0] != null) { |
| if (holder[0] instanceof InvocationTargetException) { |
| throw (InvocationTargetException) holder[0]; |
| } else { |
| throw (InterruptedException) holder[0]; |
| } |
| } |
| //new TimeoutProgressMonitorDialog(parent, TIMEOUT).run(true /*fork*/, cancelable, runnable); |
| } finally { |
| if (createdShell) parent.dispose(); |
| } |
| } |
| /** |
| * Creates a progress monitor and runs the specified runnable. |
| * |
| * @param parent the parent Shell for the dialog |
| * @param cancelable if true, the dialog will support cancelation |
| * @param runnable the runnable |
| * |
| * @exception InvocationTargetException when an exception is thrown from the runnable |
| * @exception InterruptedException when the progress monitor is cancelled |
| */ |
| public static void runWithProgressDialog(Shell parent, boolean cancelable, |
| final IRunnableWithProgress runnable) throws InvocationTargetException, InterruptedException { |
| |
| new ProgressMonitorDialog(parent).run(cancelable, cancelable, runnable); |
| } |
| /* |
| * This method is only for use by the Target Management feature (see bug |
| * 16509). |
| * |
| * @param t |
| */ |
| public static void handle(Throwable t) { |
| IStatus error = null; |
| if (t instanceof InvocationTargetException) { |
| t = ((InvocationTargetException)t).getTargetException(); |
| } |
| if (t instanceof CoreException) { |
| error = ((CoreException)t).getStatus(); |
| } else if (t instanceof TeamException) { |
| error = ((TeamException)t).getStatus(); |
| } else { |
| error = new Status(IStatus.ERROR, TeamUIPlugin.ID, 1, Policy.bind("simpleInternal"), t); //$NON-NLS-1$ |
| } |
| |
| Shell shell = new Shell(Display.getDefault()); |
| |
| if (error.getSeverity() == IStatus.INFO) { |
| MessageDialog.openInformation(shell, Policy.bind("information"), error.getMessage()); //$NON-NLS-1$ |
| } else { |
| ErrorDialog.openError(shell, Policy.bind("exception"), null, error); //$NON-NLS-1$ |
| } |
| shell.dispose(); |
| // Let's log non-team exceptions |
| if (!(t instanceof TeamException)) { |
| TeamUIPlugin.log(error.getSeverity(), error.getMessage(), t); |
| } |
| } |
| |
| public static void initAction(IAction a, String prefix) { |
| Utils.initAction(a, prefix, Policy.bundle); |
| } |
| /** |
| * Initialize the given Action from a ResourceBundle. |
| */ |
| public static void initAction(IAction a, String prefix, ResourceBundle bundle) { |
| |
| String labelKey= "label"; //$NON-NLS-1$ |
| String tooltipKey= "tooltip"; //$NON-NLS-1$ |
| String imageKey= "image"; //$NON-NLS-1$ |
| String descriptionKey= "description"; //$NON-NLS-1$ |
| |
| if (prefix != null && prefix.length() > 0) { |
| labelKey= prefix + labelKey; |
| tooltipKey= prefix + tooltipKey; |
| imageKey= prefix + imageKey; |
| descriptionKey= prefix + descriptionKey; |
| } |
| |
| String s = Policy.bind(labelKey, bundle); |
| if(s != null) |
| a.setText(s); |
| s = Policy.bind(tooltipKey, bundle); |
| if(s != null) |
| a.setToolTipText(s); |
| s = Policy.bind(descriptionKey, bundle); |
| if(s != null) |
| a.setDescription(s); |
| |
| String relPath= Policy.bind(imageKey, bundle); |
| if (relPath != null && ! relPath.equals(imageKey) && relPath.trim().length() > 0) { |
| |
| String cPath; |
| String dPath; |
| String ePath; |
| |
| if (relPath.indexOf("/") >= 0) { //$NON-NLS-1$ |
| String path= relPath.substring(1); |
| cPath= 'c' + path; |
| dPath= 'd' + path; |
| ePath= 'e' + path; |
| } else { |
| cPath= "clcl16/" + relPath; //$NON-NLS-1$ |
| dPath= "dlcl16/" + relPath; //$NON-NLS-1$ |
| ePath= "elcl16/" + relPath; //$NON-NLS-1$ |
| } |
| |
| ImageDescriptor id= TeamImages.getImageDescriptor(dPath); // we set the disabled image first (see PR 1GDDE87) |
| if (id != null) |
| a.setDisabledImageDescriptor(id); |
| id= TeamUIPlugin.getImageDescriptor(cPath); |
| if (id != null) |
| a.setHoverImageDescriptor(id); |
| id= TeamUIPlugin.getImageDescriptor(ePath); |
| if (id != null) |
| a.setImageDescriptor(id); |
| } |
| } |
| } |