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package org.eclipse.debug.internal.examples.mixedmode;

import java.util.HashSet;
import java.util.Set;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationListener;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.debug.internal.core.LaunchConfiguration;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.internal.ui.SWTFactory;
import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;

public class FooDuplicateTab extends AbstractLaunchConfigurationTab implements ILaunchConfigurationListener {

	protected Button fButt = null;
	protected Set<String> fOptions = null;

	/**
	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#getName()
	 */
	@Override
	public String getName() {
		return Messages.FooDuplicateTab_0;
	}

	/**
	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#createControl(org.eclipse.swt.widgets.Composite)
	 */
	@Override
	public void createControl(Composite parent) {
		Composite comp = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH);
		fButt = SWTFactory.createCheckButton(comp, Messages.FooDuplicateTab_1, null, false, 1);
		fButt.addSelectionListener(new SelectionListener() {

			@Override
			public void widgetDefaultSelected(SelectionEvent e) {
			}

			@Override
			public void widgetSelected(SelectionEvent e) {
				updateLaunchConfigurationDialog();
			}

		});
		setControl(comp);
		getLaunchManager().addLaunchConfigurationListener(this);
	}

	/**
	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#initializeFrom(org.eclipse.debug.core.ILaunchConfiguration)
	 */
	@Override
	public void initializeFrom(ILaunchConfiguration configuration) {
		try {
			Set<?> options = configuration.getAttribute(LaunchConfiguration.ATTR_LAUNCH_MODES, (Set<String>) null);
			if (options != null) {
				fButt.setSelection(options.containsAll(getModes()));
			} else {
				fButt.setSelection(false);
			}
		} catch (CoreException ce) {
		}
	}

	/**
	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#performApply(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	 */
	@Override
	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
		if (isDirty()) {
			if (fButt.getSelection()) {
				configuration.addModes(getModes());
			} else {
				configuration.removeModes(getModes());
			}
		}
	}

	/**
	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#dispose()
	 */
	@Override
	public void dispose() {
		getLaunchManager().removeLaunchConfigurationListener(this);
		super.dispose();
	}

	/**
	 * @see org.eclipse.debug.ui.ILaunchConfigurationTab#setDefaults(org.eclipse.debug.core.ILaunchConfigurationWorkingCopy)
	 */
	@Override
	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
	}

	/**
	 * @return the set modes this tab works with
	 */
	protected Set<String> getModes() {
		if (fOptions == null) {
			fOptions = new HashSet<String>();
			fOptions.add(Messages.FooDuplicateTab_2);
		}
		return fOptions;
	}

	/**
	 * @see org.eclipse.debug.ui.AbstractLaunchConfigurationTab#getId()
	 */
	@Override
	public String getId() {
		return Messages.FooDuplicateTab_3;
	}

	/**
	 * @see org.eclipse.debug.core.ILaunchConfigurationListener#launchConfigurationChanged(org.eclipse.debug.core.ILaunchConfiguration)
	 */
	@Override
	public void launchConfigurationChanged(ILaunchConfiguration configuration) {
		try {
			Set<?> modes = configuration.getModes();
			if (!fButt.isDisposed()) {
				boolean sel = fButt.getSelection();
				if (sel & !modes.containsAll(getModes())) {
					fButt.setSelection(false);
				} else if (!sel & modes.containsAll(getModes())) {
					fButt.setSelection(true);
				}
			}
		} catch (CoreException ce) {
			DebugUIPlugin.log(ce);
		}
	}

	/**
	 * @see org.eclipse.debug.core.ILaunchConfigurationListener#launchConfigurationAdded(org.eclipse.debug.core.ILaunchConfiguration)
	 */
	@Override
	public void launchConfigurationAdded(ILaunchConfiguration configuration) {
	}

	/**
	 * @see org.eclipse.debug.core.ILaunchConfigurationListener#launchConfigurationRemoved(org.eclipse.debug.core.ILaunchConfiguration)
	 */
	@Override
	public void launchConfigurationRemoved(ILaunchConfiguration configuration) {
	}
}

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