/* * 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.flow; import org.xml.sax.Locator; import org.apache.fop.apps.FOPException; import org.apache.fop.datatypes.Length; import org.apache.fop.fo.FONode; import org.apache.fop.fo.PropertyList; import org.apache.fop.fo.ValidationException; /** * Class modelling the * fo:inline formatting object. */ public class Inline extends InlineLevel { // The value of properties relevant for fo:inline. // See also superclass InlineLevel private Length alignmentAdjust; private int alignmentBaseline; private Length baselineShift; private int dominantBaseline; // Unused but valid items, commented out for performance: // private CommonRelativePosition commonRelativePosition; // private LengthRangeProperty blockProgressionDimension; // private Length height; // private LengthRangeProperty inlineProgressionDimension; // private Length width; // private int wrapOption; // End of property values // used for FO validation private boolean blockOrInlineItemFound = false; private boolean canHaveBlockLevelChildren = true; /** * Base constructor * * @param parent {@link FONode} that is the parent of this object */ public Inline(FONode parent) { super(parent); } /** {@inheritDoc} */ public void bind(PropertyList pList) throws FOPException { super.bind(pList); alignmentAdjust = pList.get(PR_ALIGNMENT_ADJUST).getLength(); alignmentBaseline = pList.get(PR_ALIGNMENT_BASELINE).getEnum(); baselineShift = pList.get(PR_BASELINE_SHIFT).getLength(); dominantBaseline = pList.get(PR_DOMINANT_BASELINE).getEnum(); } /** {@inheritDoc} */ public void startOfNode() throws FOPException { super.startOfNode(); /* Check to see if this node can have block-level children. * See validateChildNode() below. */ int lvlLeader = findAncestor(FO_LEADER); int lvlFootnote = findAncestor(FO_FOOTNOTE); int lvlInCntr = findAncestor(FO_INLINE_CONTAINER); if (lvlLeader > 0) { if (lvlInCntr < 0 || (lvlInCntr > 0 && lvlInCntr > lvlLeader)) { canHaveBlockLevelChildren = false; } } else if (lvlFootnote > 0) { if (lvlInCntr < 0 || lvlInCntr > lvlFootnote) { canHaveBlockLevelChildren = false; } } getFOEventHandler().startInline(this); } /** {@inheritDoc} */ public void endOfNode() throws FOPException { super.endOfNode(); getFOEventHandler().endInline(this); } /** * {@inheritDoc} *
XSL Content Model: marker* (#PCDATA|%inline;|%block;)* *
Additionally: " An fo:inline that is a descendant of an fo:leader * or fo:footnote may not have block-level children, unless it has a * nearer ancestor that is an fo:inline-container." (paraphrased) */ protected void validateChildNode(Locator loc, String nsURI, String localName) throws ValidationException { if (FO_URI.equals(nsURI)) { if (localName.equals("marker")) { if (blockOrInlineItemFound) { nodesOutOfOrderError(loc, "fo:marker", "(#PCDATA|%inline;|%block;)"); } } else if (!isBlockOrInlineItem(nsURI, localName)) { invalidChildError(loc, nsURI, localName); } else if (!canHaveBlockLevelChildren && isBlockItem(nsURI, localName) && !isNeutralItem(nsURI, localName)) { invalidChildError(loc, getName(), nsURI, localName, "rule.inlineContent"); } else { blockOrInlineItemFound = true; } } } /** @return the "alignment-adjust" property */ public Length getAlignmentAdjust() { return alignmentAdjust; } /** @return the "alignment-baseline" property */ public int getAlignmentBaseline() { return alignmentBaseline; } /** @return the "baseline-shift" property */ public Length getBaselineShift() { return baselineShift; } /** @return the "dominant-baseline" property */ public int getDominantBaseline() { return dominantBaseline; } /** {@inheritDoc} */ public String getLocalName() { return "inline"; } /** * {@inheritDoc} * @return {@link org.apache.fop.fo.Constants#FO_INLINE} */ public int getNameId() { return FO_INLINE; } }