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/*******************************************************************************
 * Copyright (c) 2004, 2009 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial implementation
 *******************************************************************************/
package org.eclipse.debug.internal.ui.actions.breakpointGroups;

import org.eclipse.debug.internal.ui.breakpoints.provisional.IBreakpointContainer;
import org.eclipse.debug.internal.ui.views.breakpoints.BreakpointSetOrganizer;
import org.eclipse.debug.internal.ui.views.breakpoints.WorkingSetCategory;
import org.eclipse.debug.ui.IDebugUIConstants;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IWorkingSet;

/**
 * Toggles the default breakpoint group based on selection.
 */
public class ToggleDefaultGroupAction extends AbstractBreakpointsViewAction {

    private IWorkingSet fSelectedSet;

    @Override
	public void run(IAction action) {
        IWorkingSet defaultWorkingSet = BreakpointSetOrganizer.getDefaultWorkingSet();
        IWorkingSet set = null;
        if (!fSelectedSet.equals(defaultWorkingSet)) {
            set = fSelectedSet;
        }
        BreakpointSetOrganizer.setDefaultWorkingSet(set);
    }

    @Override
	public void selectionChanged(IAction action, ISelection sel) {
        fSelectedSet = null;
        if (sel instanceof IStructuredSelection) {
            IStructuredSelection selection = (IStructuredSelection) sel;
            if (selection.size() == 1) {
	            Object firstElement = selection.getFirstElement();
	            if (firstElement instanceof IBreakpointContainer) {
	                IBreakpointContainer container = (IBreakpointContainer) firstElement;
	                if (container.getCategory() instanceof WorkingSetCategory) {
	                    WorkingSetCategory category = (WorkingSetCategory)container.getCategory();
	                    if (IDebugUIConstants.BREAKPOINT_WORKINGSET_ID.equals(category.getWorkingSet().getId())) {
	                        IWorkingSet set = category.getWorkingSet();
	                        action.setEnabled(true);
	                        boolean isDefault = set == BreakpointSetOrganizer.getDefaultWorkingSet();
	                        action.setChecked(isDefault);
	                        fSelectedSet = set;
	                        return;
	                    }
	                }
	            }
            }
        }
        action.setEnabled(false);
        action.setChecked(false);
    }
}

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