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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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;
// XML
import org.xml.sax.Locator;
import org.xml.sax.SAXParseException;
// FOP
import org.apache.fop.datatypes.ColorType;
import org.apache.fop.datatypes.Length;
import org.apache.fop.fo.CharIterator;
import org.apache.fop.fo.FONode;
import org.apache.fop.fo.FObjMixed;
import org.apache.fop.fo.InlineCharIterator;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.properties.CommonAccessibility;
import org.apache.fop.fo.properties.CommonAural;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
import org.apache.fop.fo.properties.CommonFont;
import org.apache.fop.fo.properties.CommonMarginInline;
import org.apache.fop.fo.properties.CommonRelativePosition;
import org.apache.fop.fo.properties.KeepProperty;
import org.apache.fop.fo.properties.LengthRangeProperty;
/**
* Class modelling the fo:inline formatting object.
*/
public class Inline extends FObjMixed {
// The value of properties relevant for fo:inline.
private CommonAccessibility commonAccessibility;
private CommonAural commonAural;
private CommonBorderPaddingBackground commonBorderPaddingBackground;
private CommonFont commonFont;
private CommonMarginInline commonMarginInline;
private CommonRelativePosition commonRelativePosition;
// private ToBeImplementedProperty alignmentAdjust;
// private ToBeImplementedProperty alignmentBaseline;
private Length baselineShift;
private LengthRangeProperty blockProgressionDimension;
private ColorType color;
// private ToBeImplementedProperty dominantBaseline;
private Length height;
private String id;
private LengthRangeProperty inlineProgressionDimension;
private KeepProperty keepTogether;
private KeepProperty keepWithNext;
private KeepProperty keepWithPrevious;
private Length lineHeight;
private int textDecoration;
// private ToBeImplementedProperty visibility;
private Length width;
private int wrapOption;
// End of property values
// used for FO validation
private boolean blockOrInlineItemFound = false;
private boolean canHaveBlockLevelChildren = true;
/**
* @param parent FONode that is the parent of this object
*/
public Inline(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
public void bind(PropertyList pList) throws SAXParseException {
commonAccessibility = pList.getAccessibilityProps();
commonAural = pList.getAuralProps();
commonBorderPaddingBackground = pList.getBorderPaddingBackgroundProps();
commonFont = pList.getFontProps();
commonMarginInline = pList.getMarginInlineProps();
commonRelativePosition = pList.getRelativePositionProps();
// alignmentAdjust = pList.get(PR_ALIGNMENT_ADJUST);
// alignmentBaseline = pList.get(PR_ALIGNMENT_BASELINE);
baselineShift = pList.get(PR_BASELINE_SHIFT).getLength();
blockProgressionDimension = pList.get(PR_BLOCK_PROGRESSION_DIMENSION).getLengthRange();
color = pList.get(PR_COLOR).getColorType();
// dominantBaseline = pList.get(PR_DOMINANT_BASELINE);
height = pList.get(PR_HEIGHT).getLength();
id = pList.get(PR_ID).getString();
inlineProgressionDimension = pList.get(PR_INLINE_PROGRESSION_DIMENSION).getLengthRange();
keepTogether = pList.get(PR_KEEP_TOGETHER).getKeep();
keepWithNext = pList.get(PR_KEEP_WITH_NEXT).getKeep();
keepWithPrevious = pList.get(PR_KEEP_WITH_PREVIOUS).getKeep();
lineHeight = pList.get(PR_LINE_HEIGHT).getLength();
textDecoration = pList.get(PR_TEXT_DECORATION).getEnum();
// visibility = pList.get(PR_VISIBILITY);
width = pList.get(PR_WIDTH).getLength();
wrapOption = pList.get(PR_WRAP_OPTION).getEnum();
}
/**
* @see org.apache.fop.fo.FONode#startOfNode
*/
protected void startOfNode() throws SAXParseException {
/* 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;
}
}
checkId(id);
getFOEventHandler().startInline(this);
}
/**
* @see org.apache.fop.fo.FONode#endOfNode
*/
protected void endOfNode() throws SAXParseException {
getFOEventHandler().endInline(this);
}
/**
* @see org.apache.fop.fo.FONode#validateChildNode(Locator, String, String)
* 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 SAXParseException {
if (nsURI == FO_URI && 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)) {
String ruleViolated =
" 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.";
invalidChildError(loc, nsURI, localName, ruleViolated);
} else {
blockOrInlineItemFound = true;
}
}
/**
* Return the Common Margin Properties-Inline.
*/
public CommonMarginInline getCommonMarginInline() {
return commonMarginInline;
}
/**
* 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 "color" property.
*/
public ColorType getColor() {
return color;
}
/**
* Return the "id" property.
*/
public String getId() {
return id;
}
/**
* Return the "text-decoration" property.
*/
public int getTextDecoration() {
return textDecoration;
}
/**
* @see org.apache.fop.fo.FObjMixed#charIterator
*/
public CharIterator charIterator() {
return new InlineCharIterator(this, propMgr.getBorderAndPadding());
}
/**
* @see org.apache.fop.fo.FObj#getName()
*/
public String getName() {
return "fo:inline";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_INLINE;
}
}
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