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/*******************************************************************************
* Copyright (c) 2009 R.Dvorak and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* Contributors:
* Radek Dvorak - initial API and implementation
*******************************************************************************/
package org.eclipse.m2m.internal.qvt.oml.debug.ui;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.IStatusHandler;
import org.eclipse.debug.core.model.IDebugTarget;
import org.eclipse.debug.core.model.IThread;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.m2m.internal.qvt.oml.debug.ui.actions.QVTOBreakpointPropertiesAction;
import org.eclipse.m2m.qvt.oml.debug.core.BreakpointError;
import org.eclipse.m2m.qvt.oml.debug.core.QVTOBreakpoint;
import org.eclipse.m2m.qvt.oml.debug.core.QVTODebugCore;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
public class BreakpointCondErrorHandler implements IStatusHandler {
private static class CondErrorDialog extends ErrorDialog {
CondErrorDialog(Shell parentShell, String message, IStatus status) {
super(parentShell, DebugUIMessages.BreakpointCondErrorHandler_DialogTitle, message, status, IStatus.ERROR);
}
@Override
protected void createButtonsForButtonBar(Composite parent) {
// create buttons to cancel the handler or edit the condition settings
createButton(parent, IDialogConstants.CANCEL_ID,
IDialogConstants.CANCEL_LABEL, false);
createButton(
parent,
IDialogConstants.OK_ID,
DebugUIMessages.BreakpointCondErrorHandler_EditConditionButtonLabel,
true);
}
}
public BreakpointCondErrorHandler() {
super();
}
public Object handleStatus(IStatus status, Object source) throws CoreException {
if(source instanceof IDebugTarget == false) {
throw new CoreException(QVTODebugCore.createStatus(IStatus.ERROR,
"Unable to resolve status for:" + source)); //$NON-NLS-1$
}
BreakpointError breakpointError = (BreakpointError) status;
final IDebugTarget target = (IDebugTarget) source;
suspendDebugUI(target);
showErrorDialog(
breakpointError.getfBreakpointID(),
breakpointError.getMessage(),
breakpointError.getDetail());
return Boolean.TRUE;
}
public void showErrorDialog(final long breakPointID, final String errorMessage, final String detail) {
final Display display = QVTODebugUIPlugin.getStandardDisplay();
display.asyncExec(new Runnable() {
public void run() {
QVTOBreakpoint breakpoint = QVTOBreakpoint.getBreakpointByID(breakPointID);
if(breakpoint == null) {
QVTODebugCore.log(QVTODebugCore.createStatus(IStatus.ERROR,"Breakpoint not found")); //$NON-NLS-1$
return;
}
if (display.isDisposed()) {
return;
}
Shell shell = QVTODebugUIPlugin.getActiveWorkbenchShell();
IStatus errorStatus = QVTODebugUIPlugin.createErrorStatus(detail);
CondErrorDialog dialog = new CondErrorDialog(shell, errorMessage, errorStatus);
int result = dialog.open();
if (result == Window.OK) {
// jump to breakpoint properties
QVTOBreakpointPropertiesAction action = new QVTOBreakpointPropertiesAction();
action.selectionChanged(null, new StructuredSelection(breakpoint));
action.run(null);
}
}
});
}
private void suspendDebugUI(final IDebugTarget target) {
QVTODebugUIPlugin.getStandardDisplay().asyncExec(new Runnable() {
public void run() {
try {
IThread[] threads = target.getThreads();
IThread mainThread = (threads.length > 0) ? threads[0] : null;
// check if we still execute
if(mainThread != null) {
// Note: broadcast the suspend even to update the debug framework UI
DebugEvent debugEvent = new DebugEvent(mainThread, DebugEvent.SUSPEND, DebugEvent.BREAKPOINT);
DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] { debugEvent });
}
} catch (DebugException e) {
QVTODebugUIPlugin.log(e.getStatus());
}
}
});
}
}
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