DeleteRowAction.java

/*******************************************************************************
 * Copyright (c) 2004, 2008 John Krasnay and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     John Krasnay - initial API and implementation
 *******************************************************************************/
package net.sf.vex.action;

import java.util.List;

import net.sf.vex.widget.IVexWidget;

/**
 * Delete selected table rows.
 */
public class DeleteRowAction extends AbstractVexAction {

    public void run(final IVexWidget vexWidget) {

        final List rows = ActionUtils.getSelectedTableRows(vexWidget).getRows();
        
        if (rows == null) {
            return;
        }

        vexWidget.doWork(new Runnable() {
            public void run() {
                int startOffset = ActionUtils.getOuterRange(rows.get(0)).getStart();
                int endOffset = ActionUtils.getOuterRange(rows.get(rows.size() - 1)).getEnd();
                
                vexWidget.moveTo(startOffset);
                vexWidget.moveTo(endOffset, true);
                vexWidget.deleteSelection();
            }
        });

    }

    public boolean isEnabled(IVexWidget vexWidget) {
        return ActionUtils.getSelectedTableRows(vexWidget).getRows() != null;
    }

}