| /* |
| * Copyright (c) 2014 Eike Stepper (Loehne, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.oomph.internal.util.table; |
| |
| import org.eclipse.oomph.util.AbstractIterator; |
| |
| import java.util.Iterator; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| final class OffsetRange extends AbstractRange |
| { |
| final Range range; |
| |
| final int cols; |
| |
| final int rows; |
| |
| public OffsetRange(OffsetRange source) |
| { |
| range = source.range; |
| cols = source.cols; |
| rows = source.rows; |
| } |
| |
| public OffsetRange(Range range, int cols, int rows) |
| { |
| this.range = range; |
| this.cols = cols; |
| this.rows = rows; |
| } |
| |
| @Override |
| public Table table() |
| { |
| return range.table(); |
| } |
| |
| @Override |
| public Iterator<Cell> iterator() |
| { |
| return new OffsetIterator(); |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| private final class OffsetIterator extends AbstractIterator<Cell> |
| { |
| private final Iterator<Cell> delegate = range.iterator(); |
| |
| @Override |
| protected Object computeNextElement() |
| { |
| while (delegate.hasNext()) |
| { |
| Cell cell = delegate.next(); |
| return cell.offset(cols, rows); |
| } |
| |
| return END_OF_DATA; |
| } |
| } |
| } |