123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268 |
- /*
- * 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 java.awt.Color;
- import java.util.NoSuchElementException;
-
- import org.xml.sax.Locator;
-
- import org.apache.fop.accessibility.StructureTreeElement;
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.datatypes.Length;
- import org.apache.fop.fo.CharIterator;
- import org.apache.fop.fo.FONode;
- import org.apache.fop.fo.FObj;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.ValidationException;
- import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
- import org.apache.fop.fo.properties.CommonFont;
- import org.apache.fop.fo.properties.CommonHyphenation;
- import org.apache.fop.fo.properties.CommonTextDecoration;
- import org.apache.fop.fo.properties.KeepProperty;
- import org.apache.fop.fo.properties.Property;
- import org.apache.fop.fo.properties.SpaceProperty;
- import org.apache.fop.fo.properties.StructureTreeElementHolder;
-
- /**
- * Class modelling the <a href="http://www.w3.org/TR/xsl/#fo_character">
- * <code>fo:character</code></a> object.
- */
- public class Character extends FObj implements StructureTreeElementHolder {
- // The value of properties relevant for fo:character.
- private CommonBorderPaddingBackground commonBorderPaddingBackground;
- private CommonFont commonFont;
- private CommonHyphenation commonHyphenation;
- private Length alignmentAdjust;
- private int alignmentBaseline;
- private Length baselineShift;
- private char character;
- private Color color;
- private int dominantBaseline;
- private KeepProperty keepWithNext;
- private KeepProperty keepWithPrevious;
- private Property letterSpacing;
- private SpaceProperty lineHeight;
- /** Holds the text decoration values. May be null */
- private CommonTextDecoration textDecoration;
- // private ToBeImplementedProperty textShadow;
- private Property wordSpacing;
- private StructureTreeElement structureTreeElement;
- // Unused but valid items, commented out for performance:
- // private CommonAural commonAural;
- // private CommonMarginInline commonMarginInline;
- // private CommonRelativePosition commonRelativePosition;
- // private ToBeImplementedProperty glyphOrientationHorizontal;
- // private ToBeImplementedProperty glyphOrientationVertical;
- // private int treatAsWordSpace;
- // private Length textDepth;
- // private Length textAltitude;
- // private int scoreSpaces;
- // private int suppressAtLineBreak;
- // private int textTransform;
- // private int visibility;
- // End of property values
-
- /** constant indicating that the character is OK */
- public static final int OK = 0;
- /** constant indicating that the character does not fit */
- public static final int DOESNOT_FIT = 1;
-
- /**
- * @param parent {@link FONode} that is the parent of this object
- */
- public Character(FONode parent) {
- super(parent);
- }
-
- /** {@inheritDoc} */
- public void bind(PropertyList pList) throws FOPException {
- super.bind(pList);
- commonBorderPaddingBackground = pList.getBorderPaddingBackgroundProps();
- commonFont = pList.getFontProps();
- commonHyphenation = pList.getHyphenationProps();
-
- alignmentAdjust = pList.get(PR_ALIGNMENT_ADJUST).getLength();
- alignmentBaseline = pList.get(PR_ALIGNMENT_BASELINE).getEnum();
- baselineShift = pList.get(PR_BASELINE_SHIFT).getLength();
- character = pList.get(PR_CHARACTER).getCharacter();
- color = pList.get(PR_COLOR).getColor(getUserAgent());
- dominantBaseline = pList.get(PR_DOMINANT_BASELINE).getEnum();
- keepWithNext = pList.get(PR_KEEP_WITH_NEXT).getKeep();
- keepWithPrevious = pList.get(PR_KEEP_WITH_PREVIOUS).getKeep();
- letterSpacing = pList.get(PR_LETTER_SPACING);
- lineHeight = pList.get(PR_LINE_HEIGHT).getSpace();
- textDecoration = pList.getTextDecorationProps();
- wordSpacing = pList.get(PR_WORD_SPACING);
- }
-
- /** {@inheritDoc} */
- protected void startOfNode() throws FOPException {
- super.startOfNode();
- getFOEventHandler().character(this);
- }
-
- /**
- * {@inheritDoc}
- * <br>XSL Content Model: empty
- */
- protected void validateChildNode(Locator loc, String nsURI, String localName)
- throws ValidationException {
- if (FO_URI.equals(nsURI)) {
- invalidChildError(loc, nsURI, localName);
- }
- }
-
- /** {@inheritDoc} */
- public CharIterator charIterator() {
- return new FOCharIterator(this);
- }
-
- /** @return the Common Border, Padding, and Background Properties */
- public CommonBorderPaddingBackground getCommonBorderPaddingBackground() {
- return commonBorderPaddingBackground;
- }
-
- /** @return the Common Font Properties */
- public CommonFont getCommonFont() {
- return commonFont;
- }
-
- /** @return the Common Hyphenation Properties */
- public CommonHyphenation getCommonHyphenation() {
- return commonHyphenation;
- }
-
- /** @return the "character" property */
- public char getCharacter() {
- return character;
- }
-
- /** @return the "color" property */
- public Color getColor() {
- return color;
- }
-
- /** @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;
- }
-
- /** @return the "letter-spacing" property */
- public Property getLetterSpacing() {
- return letterSpacing;
- }
-
- /** @return the "line-height" property */
- public SpaceProperty getLineHeight() {
- return lineHeight;
- }
-
- /** @return the "text-decoration" property. */
- public CommonTextDecoration getTextDecoration() {
- return textDecoration;
- }
-
- /** @return the "word-spacing" property */
- public Property getWordSpacing() {
- return wordSpacing;
- }
-
- /** @return the "keep-with-next" property */
- public KeepProperty getKeepWithNext() {
- return keepWithNext;
- }
-
- /** @return the "keep-with-previous" property */
- public KeepProperty getKeepWithPrevious() {
- return keepWithPrevious;
- }
-
- @Override
- public void setStructureTreeElement(StructureTreeElement structureTreeElement) {
- this.structureTreeElement = structureTreeElement;
- }
-
- /** {@inheritDoc} */
- public StructureTreeElement getStructureTreeElement() {
- return structureTreeElement;
- }
-
- /** {@inheritDoc} */
- public String getLocalName() {
- return "character";
- }
-
- /**
- * {@inheritDoc}
- * @return {@link org.apache.fop.fo.Constants#FO_CHARACTER}
- */
- public int getNameId() {
- return FO_CHARACTER;
- }
-
- private class FOCharIterator extends CharIterator {
-
- private boolean bFirst = true;
- private Character foChar;
-
- FOCharIterator(Character foChar) {
- this.foChar = foChar;
- }
-
- public boolean hasNext() {
- return bFirst;
- }
-
- public char nextChar() {
- if (bFirst) {
- bFirst = false;
- return foChar.character;
- } else {
- throw new NoSuchElementException();
- }
- }
-
- public void remove() {
- foChar.parent.removeChild(foChar);
- }
-
- public void replaceChar(char c) {
- foChar.character = c;
- }
-
- }
-
- }
|