ecommons.waltable/org.eclipse.statet.ecommons.waltable.core/src/org/eclipse/statet/ecommons/waltable/ui/matcher/CellLabelMouseEventMatcher.java

/*=============================================================================#
 # Copyright (c) 2012, 2021 Original NatTable authors and others.
 # 
 # This program and the accompanying materials are made available under the
 # terms of the Eclipse Public License 2.0 which is available at
 # https://www.eclipse.org/legal/epl-2.0.
 # 
 # SPDX-License-Identifier: EPL-2.0
 # 
 # Contributors:
 #     Original NatTable authors and others - initial API and implementation
 #=============================================================================*/

package org.eclipse.statet.ecommons.waltable.ui.matcher;

import org.eclipse.swt.events.MouseEvent;

import org.eclipse.statet.ecommons.waltable.NatTable;
import org.eclipse.statet.ecommons.waltable.layer.LabelStack;
import org.eclipse.statet.ecommons.waltable.layer.cell.ILayerCell;
import org.eclipse.statet.ecommons.waltable.ui.NatEventData;


/**
 * Matches mouse clicks on cells to which a specified configuration label has been applied.
 */
public class CellLabelMouseEventMatcher extends MouseEventMatcher {
	
	
	private final String labelToMatch;
	
	
	public CellLabelMouseEventMatcher(final String regionName, final int button, final String labelToMatch) {
		super(regionName, button);
		this.labelToMatch= labelToMatch;
	}
	
	public CellLabelMouseEventMatcher(final int stateMask, final String regionName, final int button, final String labelToMatch) {
		super(stateMask, regionName, button);
		this.labelToMatch= labelToMatch;
	}
	
	
	@Override
	public boolean matches(final NatTable natTable, final MouseEvent event, final LabelStack regionLabels) {
		final NatEventData eventData= NatEventData.createInstanceFromEvent(event);
		final ILayerCell cell= natTable.getCellByPosition(eventData.getColumnPosition(), eventData.getRowPosition());
		return (cell != null
				&& super.matches(natTable, event, regionLabels)
				&& cell.getConfigLabels().getLabels().contains(this.labelToMatch) );
	}
	
}