/**
*
*/
package edu.umd.cs.findbugs.quickfix;
import java.io.InputStream;
import java.net.URL;
import java.util.List;
import java.util.concurrent.AbstractExecutorService;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.program.Program;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import edu.umd.cs.findbugs.BugCollection;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.IGuiCallback;
import edu.umd.cs.findbugs.Project;
import edu.umd.cs.findbugs.cloud.Cloud;
import edu.umd.cs.findbugs.cloud.Cloud.CloudListener;
import edu.umd.cs.findbugs.cloud.Cloud.CloudTask;
import edu.umd.cs.findbugs.cloud.Cloud.CloudTaskListener;
public class EclipseGuiCallback implements IGuiCallback {
private final AbstractExecutorService guiExecutor = new EclipseDisplayThreadExecutor();
private CloudListener cloudListener;
public void registerCloud(Project project, BugCollection collection, final Cloud cloud) {
cloudListener = new CloudListener() {
public void statusUpdated() {
final String statusMsg = cloud.getStatusMsg();
final IWorkbenchWindow win = QuickfixPlugin.getActiveWorkbenchWindow();
win.getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
IWorkbenchPage page = win.getActivePage();
IWorkbenchPart part = page.getActivePart();
if (part instanceof IEditorPart) {
IEditorPart epart = (IEditorPart) part;
Image image = QuickfixPlugin.getDefault().getImageRegistry().get("buggy-tiny-gray.png");
IStatusLineManager statusLineManager = epart.getEditorSite().getActionBars().getStatusLineManager();
if (statusMsg.equals("")) {
statusLineManager.setMessage("");
} else {
statusLineManager.setMessage(image, statusMsg);
}
}
}
});
}
public void issueUpdated(BugInstance bug) { // ok
}
public void taskStarted(final CloudTask task) {
task.setUseDefaultListener(false);
Job job = new Job(task.getName()) {
@Override
public boolean belongsTo(Object family) {
return QuickfixPlugin.class == family;
}
@Override
protected IStatus run(final IProgressMonitor monitor) {
monitor.beginTask(task.getName(), 1000);
monitor.subTask(task.getStatusLine());
monitor.worked((int) (task.getPercentCompleted() * 10));
final CountDownLatch latch = new CountDownLatch(1);
final AtomicBoolean success = new AtomicBoolean(false);
task.addListener(new CloudTaskListener() {
public void taskStatusUpdated(String statusLine, double percentCompleted) {
monitor.subTask(statusLine);
monitor.worked((int) (percentCompleted * 10)); // out
// of
// 1000
// work
// units
}
public void taskFinished() {
latch.countDown();
success.set(true);
}
public void taskFailed(String message) {
latch.countDown();
success.set(false);
}
});
try {
latch.await();
} catch (InterruptedException e) {
// ok
}
monitor.subTask("");
monitor.done();
return Status.OK_STATUS;
}
};
job.setPriority(Job.SHORT);
job.schedule();
}
};
cloud.addListener(cloudListener);
}
public void unregisterCloud(Project project, BugCollection collection, Cloud cloud) {
cloud.removeListener(cloudListener);
}
public String showQuestionDialog(String message, String title, final String defaultValue) {
final AtomicReference<Text> textBoxRef = new AtomicReference<Text>();
MessageDialog dlg = new MessageDialog(QuickfixPlugin.getShell(), title, null, message, MessageDialog.QUESTION,
new String[] { "OK", "Cancel" }, 1) {
@Override
protected Control createCustomArea(Composite parent) {
Text text = new Text(parent, SWT.SINGLE);
text.setText(defaultValue);
textBoxRef.set(text);
return text;
}
};
dlg.open();
return textBoxRef.get().getText();
}
public void showMessageDialogAndWait(String message) throws InterruptedException {
MessageDialog.openInformation(QuickfixPlugin.getShell(), null, message);
}
public void showMessageDialog(final String message) {
QuickfixPlugin.getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
MessageDialog.openInformation(QuickfixPlugin.getShell(), null, message);
}
});
}
public List<String> showForm(String message, String title, List<FormItem> labels) {
throw new UnsupportedOperationException();
}
public boolean showDocument(URL u) {
return Program.launch(u.toExternalForm());
}
public int showConfirmDialog(final String message, final String title, final String ok, final String cancel) {
final AtomicInteger result = new AtomicInteger(-1);
QuickfixPlugin.getShell().getDisplay().syncExec(new Runnable() {
public void run() {
MessageDialog dialog = new MessageDialog(QuickfixPlugin.getShell(), title, null, message, MessageDialog.NONE,
new String[] { ok, cancel }, 0) /*
* { { // the code below
* requires Eclipse 3.5
* setShellStyle
* (getShellStyle() |
* SWT.SHEET); } }
*/;
result.set(dialog.open());
}
});
return result.get();
}
public void setErrorMessage(String errorMsg) {
showMessageDialog(errorMsg);
}
public boolean isHeadless() {
return false;
}
public void invokeInGUIThread(Runnable r) {
QuickfixPlugin.getShell().getDisplay().asyncExec(r);
}
public InputStream getProgressMonitorInputStream(InputStream in, int length, String msg) {
return in;
}
public ExecutorService getBugUpdateExecutor() {
return guiExecutor;
}
public void displayNonmodelMessage(final String title, final String message) {
invokeInGUIThread(new Runnable() {
public void run() {
MessageDialog.openInformation(QuickfixPlugin.getShell(), title, message);
}
});
}
private final static class EclipseDisplayThreadExecutor extends AbstractExecutorService {
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
return false;
}
public boolean isShutdown() {
return false;
}
public boolean isTerminated() {
return false;
}
public void shutdown() {
return;
}
public List<Runnable> shutdownNow() {
return null;
}
public void execute(Runnable command) {
Display.getDefault().asyncExec(command);
}
}
}