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package org.eclipse.team.internal.ui;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved.
*/
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IPluginDescriptor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;
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.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.plugin.AbstractUIPlugin;
/**
* TeamUIPlugin is the plugin for generic, non-provider specific,
* team UI functionality in the workbench.
*/
public class TeamUIPlugin extends AbstractUIPlugin {
private static TeamUIPlugin instance;
public static final String ID = "org.eclipse.team.ui"; //$NON-NLS-1$
private static List propertyChangeListeners = new ArrayList(5);
/**
* Creates a new TeamUIPlugin.
*
* @param descriptor the plugin descriptor
*/
public TeamUIPlugin(IPluginDescriptor descriptor) {
super(descriptor);
instance = this;
}
/**
* Creates an extension. If the extension plugin has not
* been loaded a busy cursor will be activated during the duration of
* the load.
*
* @param element the config element defining the extension
* @param classAttribute the name of the attribute carrying the class
* @return the extension object
*/
public static Object createExtension(final IConfigurationElement element, final String classAttribute) throws CoreException {
// If plugin has been loaded create extension.
// Otherwise, show busy cursor then create extension.
IPluginDescriptor plugin = element.getDeclaringExtension().getDeclaringPluginDescriptor();
if (plugin.isPluginActivated()) {
return element.createExecutableExtension(classAttribute);
} else {
final Object [] ret = new Object[1];
final CoreException [] exc = new CoreException[1];
BusyIndicator.showWhile(null, new Runnable() {
public void run() {
try {
ret[0] = element.createExecutableExtension(classAttribute);
} catch (CoreException e) {
exc[0] = e;
}
}
});
if (exc[0] != null)
throw exc[0];
else
return ret[0];
}
}
/**
* Convenience method to get the currently active workbench page. Note that
* the active page may not be the one that the usr perceives as active in
* some situations so this method of obtaining the activae page should only
* be used if no other method is available.
*
* @return the active workbench page
*/
public static IWorkbenchPage getActivePage() {
IWorkbenchWindow window = getPlugin().getWorkbench().getActiveWorkbenchWindow();
if (window == null) return null;
return window.getActivePage();
}
/**
* Return the default instance of the receiver. This represents the runtime plugin.
*
* @return the singleton plugin instance
*/
public static TeamUIPlugin getPlugin() {
return instance;
}
/**
* Initializes the preferences for this plugin if necessary.
*/
protected void initializePreferences() {
IPreferenceStore store = getPreferenceStore();
store.setDefault(UIConstants.PREF_ALWAYS_IN_INCOMING_OUTGOING, false);
}
/**
* Convenience method for logging statuses to the plugin log
*
* @param status the status to log
*/
public static void log(IStatus status) {
getPlugin().getLog().log(status);
}
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);
}
/**
* @see Plugin#startup()
*/
public void startup() throws CoreException {
Policy.localize("org.eclipse.team.internal.ui.messages"); //$NON-NLS-1$
initializePreferences();
}
/*
* 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);
}
}
/**
* Register for changes made to Team properties.
*/
public static void addPropertyChangeListener(IPropertyChangeListener listener) {
propertyChangeListeners.add(listener);
}
/**
* Deregister as a Team property changes.
*/
public static void removePropertyChangeListener(IPropertyChangeListener listener) {
propertyChangeListeners.remove(listener);
}
/**
* Broadcast a Team property change.
*/
public static void broadcastPropertyChange(PropertyChangeEvent event) {
for (Iterator it = propertyChangeListeners.iterator(); it.hasNext();) {
IPropertyChangeListener listener = (IPropertyChangeListener)it.next();
listener.propertyChange(event);
}
}
}
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