/* * 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; // XML import org.xml.sax.Locator; import org.apache.fop.apps.FOPException; import org.apache.fop.fo.FONode; import org.apache.fop.fo.FObj; import org.apache.fop.fo.PropertyList; import org.apache.fop.fo.ValidationException; /** * Class modelling the * fo:conditional-page-master-reference object. * * This is a reference to a page master with a set of conditions. * The conditions must be satisfied for the referenced master to * be used. * This element is must be the child of a repeatable-page-master-alternatives * element. */ public class ConditionalPageMasterReference extends FObj { // The value of properties relevant for fo:conditional-page-master-reference. private String masterReference; private int pagePosition; private int oddOrEven; private int blankOrNotBlank; // End of property values /** * Create a ConditionalPageMasterReference instance that is a * child of the given {@link FONode}. * * @param parent {@link FONode} that is the parent of this object */ public ConditionalPageMasterReference(FONode parent) { super(parent); } /** {@inheritDoc} */ public void bind(PropertyList pList) throws FOPException { masterReference = pList.get(PR_MASTER_REFERENCE).getString(); pagePosition = pList.get(PR_PAGE_POSITION).getEnum(); oddOrEven = pList.get(PR_ODD_OR_EVEN).getEnum(); blankOrNotBlank = pList.get(PR_BLANK_OR_NOT_BLANK).getEnum(); if (masterReference == null || masterReference.equals("")) { missingPropertyError("master-reference"); } } /** {@inheritDoc} */ protected void startOfNode() throws FOPException { getConcreteParent().addConditionalPageMasterReference(this); } private RepeatablePageMasterAlternatives getConcreteParent() { return (RepeatablePageMasterAlternatives) parent; } /** * {@inheritDoc} *
XSL Content Model: empty */ protected void validateChildNode(Locator loc, String nsURI, String localName) throws ValidationException { invalidChildError(loc, nsURI, localName); } /** * Check if the conditions for this reference are met. * checks the page number and emptyness to determine if this * matches. * @param isOddPage True if page number odd * @param isFirstPage True if page is first page * @param isLastPage True if page is last page * @param isBlankPage True if page is blank * @return True if the conditions for this reference are met */ protected boolean isValid(boolean isOddPage, boolean isFirstPage, boolean isLastPage, boolean isBlankPage) { return ( // page-position (pagePosition == EN_ANY || (pagePosition == EN_FIRST && isFirstPage) || (pagePosition == EN_LAST && isLastPage) || (pagePosition == EN_ONLY && (isFirstPage && isLastPage)) || (pagePosition == EN_REST && !(isFirstPage || isLastPage)) ) // odd-or-even && (oddOrEven == EN_ANY || (oddOrEven == EN_ODD && isOddPage) || (oddOrEven == EN_EVEN && !isOddPage) ) // blank-or-not-blank && (blankOrNotBlank == EN_ANY || (blankOrNotBlank == EN_BLANK && isBlankPage) || (blankOrNotBlank == EN_NOT_BLANK && !isBlankPage) )); } /** * Get the value for the master-reference property. * @return the "master-reference" property */ public String getMasterReference() { return masterReference; } /** * Get the value for the page-position property. * @return the page-position property value */ public int getPagePosition() { return this.pagePosition; } /** {@inheritDoc} */ public String getLocalName() { return "conditional-page-master-reference"; } /** * {@inheritDoc} * @return {@link org.apache.fop.fo.Constants#FO_CONDITIONAL_PAGE_MASTER_REFERENCE} */ public int getNameId() { return FO_CONDITIONAL_PAGE_MASTER_REFERENCE; } }