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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.flow;
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.properties.CommonRelativePosition;
import org.apache.fop.fo.properties.KeepProperty;
import org.apache.fop.fo.properties.LengthRangeProperty;
import org.apache.fop.fo.properties.SpaceProperty;
/**
* Class modelling fo:leader object.
* The main property of fo:leader is leader-pattern.
* The following patterns are treated: rule, space, dots and use-content.
* @todo implement validateChildNode()
*/
public class Leader extends InlineLevel {
// The value of properties relevant for fo:leader.
// See also superclass InlineLevel
private Length alignmentAdjust;
private int alignmentBaseline;
private Length baselineShift;
private int dominantBaseline;
private String id;
private int leaderAlignment;
private LengthRangeProperty leaderLength;
private int leaderPattern;
private Length leaderPatternWidth;
private int ruleStyle;
private Length ruleThickness;
// private ToBeImplementedProperty letterSpacing;
// private ToBeImplementedProperty textShadow;
// Unused but valid items, commented out for performance:
// private CommonRelativePosition commonRelativePosition;
// private Length textDepth;
// private Length textAltitude;
// private KeepProperty keepWithNext;
// private KeepProperty keepWithPrevious;
// private SpaceProperty wordSpacing;
// End of property values
/**
* @param parent FONode that is the parent of this object
*/
public Leader(FONode parent) {
super(parent);
}
/**
* @see org.apache.fop.fo.FObj#bind(PropertyList)
*/
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();
id = pList.get(PR_ID).getString();
leaderAlignment = pList.get(PR_LEADER_ALIGNMENT).getEnum();
leaderLength = pList.get(PR_LEADER_LENGTH).getLengthRange();
leaderPattern = pList.get(PR_LEADER_PATTERN).getEnum();
leaderPatternWidth = pList.get(PR_LEADER_PATTERN_WIDTH).getLength();
switch(leaderPattern) {
case EN_SPACE:
// use Space
break;
case EN_RULE:
// the following properties only apply
// for leader-pattern = "rule"
ruleStyle = pList.get(PR_RULE_STYLE).getEnum();
ruleThickness = pList.get(PR_RULE_THICKNESS).getLength();
break;
case EN_DOTS:
break;
case EN_USECONTENT:
// use inline layout manager to create inline areas
// add the inline parent multiple times until leader full
break;
default:
throw new RuntimeException("Invalid leader pattern: " + leaderPattern);
}
// letterSpacing = pList.get(PR_LETTER_SPACING);
// textShadow = pList.get(PR_TEXT_SHADOW);
}
/**
* @see org.apache.fop.fo.FONode#startOfNode
*/
protected void startOfNode() throws FOPException {
checkId(id);
}
/**
* @return the "id" property.
*/
public String getId() {
return id;
}
/**
* @return the "rule-style" property.
*/
public int getRuleStyle() {
return ruleStyle;
}
/**
* @return the "rule-thickness" property.
*/
public Length getRuleThickness() {
return ruleThickness;
}
/**
* @return the "leader-alignment" property.
*/
public int getLeaderAlignment() {
return leaderAlignment;
}
/**
* @return the "leader-length" property.
*/
public LengthRangeProperty getLeaderLength() {
return leaderLength;
}
/**
* @return the "leader-pattern" property.
*/
public int getLeaderPattern() {
return leaderPattern;
}
/**
* @return the "leader-pattern-width" property.
*/
public Length getLeaderPatternWidth() {
return leaderPatternWidth;
}
/**
* @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;
}
/** @see org.apache.fop.fo.FONode#getLocalName() */
public String getLocalName() {
return "leader";
}
/**
* @see org.apache.fop.fo.FObj#getNameId()
*/
public int getNameId() {
return FO_LEADER;
}
}
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