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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fo.pagination;
-
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.datatypes.Numeric;
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.PropertyList;
-
- /**
- * Abstract base class for the <a href="http://www.w3.org/TR/xsl/#fo_page-sequence">
- * <code>fo:page-sequence</code></a> formatting object and the
- * <a href="http://xmlgraphics.apache.org/fop/0.95/extensions.html#external-document">
- * <code>fox:external-document</code></a> extension object.
- */
- public abstract class AbstractPageSequence extends FObj {
-
- // The value of properties relevant for fo:page-sequence.
- /** initial page number */
- protected Numeric initialPageNumber;
- /** forced page count */
- protected int forcePageCount;
- private String format;
- private int letterValue;
- private char groupingSeparator;
- private int groupingSize;
- private Numeric referenceOrientation; //XSL 1.1
- // End of property values
-
- private PageNumberGenerator pageNumberGenerator;
-
- /** starting page number */
- protected int startingPageNumber = 0;
-
- /**
- * Create an AbstractPageSequence that is a child
- * of the given parent {@link FONode}.
- *
- * @param parent the parent {@link FONode}
- */
- public AbstractPageSequence(FONode parent) {
- super(parent);
- }
-
- /** {@inheritDoc} */
- public void bind(PropertyList pList) throws FOPException {
- super.bind(pList);
- initialPageNumber = pList.get(PR_INITIAL_PAGE_NUMBER).getNumeric();
- forcePageCount = pList.get(PR_FORCE_PAGE_COUNT).getEnum();
- format = pList.get(PR_FORMAT).getString();
- letterValue = pList.get(PR_LETTER_VALUE).getEnum();
- groupingSeparator = pList.get(PR_GROUPING_SEPARATOR).getCharacter();
- groupingSize = pList.get(PR_GROUPING_SIZE).getNumber().intValue();
- referenceOrientation = pList.get(PR_REFERENCE_ORIENTATION).getNumeric();
- }
-
- /** {@inheritDoc} */
- protected void startOfNode() throws FOPException {
- this.pageNumberGenerator = new PageNumberGenerator(
- format, groupingSeparator, groupingSize, letterValue);
-
- }
-
- /**
- * Initialize the current page number for the start of the page sequence.
- */
- public void initPageNumber() {
- int pageNumberType = 0;
-
- if (initialPageNumber.getEnum() != 0) {
- // auto | auto-odd | auto-even.
- startingPageNumber = getRoot().getEndingPageNumberOfPreviousSequence() + 1;
- pageNumberType = initialPageNumber.getEnum();
- if (pageNumberType == EN_AUTO_ODD) {
- if (startingPageNumber % 2 == 0) {
- startingPageNumber++;
- }
- } else if (pageNumberType == EN_AUTO_EVEN) {
- if (startingPageNumber % 2 == 1) {
- startingPageNumber++;
- }
- }
- } else { // <integer> for explicit page number
- int pageStart = initialPageNumber.getValue();
- startingPageNumber = (pageStart > 0) ? pageStart : 1; // spec rule
- }
- }
-
- /**
- * Get the starting page number for this page sequence.
- *
- * @return the starting page number
- */
- public int getStartingPageNumber() {
- return startingPageNumber;
- }
-
- /**
- * Retrieves the string representation of a page number applicable
- * for this page sequence
- * @param pageNumber the page number
- * @return string representation of the page number
- */
- public String makeFormattedPageNumber(int pageNumber) {
- return pageNumberGenerator.makeFormattedPageNumber(pageNumber);
- }
-
- /**
- * Public accessor for the ancestor Root.
- * @return the ancestor Root
- */
- public Root getRoot() {
- return (Root)this.getParent();
- }
-
- /**
- * Get the value of the <code>force-page-count</code> property.
- * @return the force-page-count value
- */
- public int getForcePageCount() {
- return forcePageCount;
- }
-
- /**
- * Get the value of the <code>initial-page-number</code> property.
- * @return the initial-page-number property value
- */
- public Numeric getInitialPageNumber() {
- return initialPageNumber;
- }
-
- /**
- * Get the value of the <code>reference-orientation</code> property.
- * @return the "reference-orientation" property
- * @since XSL 1.1
- */
- public int getReferenceOrientation() {
- return referenceOrientation.getValue();
- }
-
- }
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