| /* |
| * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package sun.swing.text; |
| |
| import java.util.*; |
| import java.awt.Graphics; |
| import java.awt.print.*; |
| |
| |
| /** |
| * Printable to merge multiple printables into one. |
| * |
| * @author Igor Kushnirskiy |
| * |
| * @since 1.6 |
| */ |
| class CompoundPrintable implements CountingPrintable { |
| private final Queue<CountingPrintable> printables; |
| private int offset = 0; |
| |
| public CompoundPrintable(List<CountingPrintable> printables) { |
| this.printables = new LinkedList<CountingPrintable>(printables); |
| } |
| |
| public int print(final Graphics graphics, |
| final PageFormat pf, |
| final int pageIndex) throws PrinterException { |
| int ret = NO_SUCH_PAGE; |
| while (printables.peek() != null) { |
| ret = printables.peek().print(graphics, pf, pageIndex - offset); |
| if (ret == PAGE_EXISTS) { |
| break; |
| } else { |
| offset += printables.poll().getNumberOfPages(); |
| } |
| } |
| return ret; |
| } |
| |
| /** |
| * Returns the number of pages in this printable. |
| * <p> |
| * This number is defined only after {@code print} returns NO_SUCH_PAGE. |
| * |
| * @return the number of pages. |
| */ |
| public int getNumberOfPages() { |
| return offset; |
| } |
| |
| } |