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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.properties;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.expr.PropertyException;
/**
* <p>Dimensioned property maker.</p>
*/
public class DimensionPropertyMaker extends CorrespondingPropertyMaker {
private int[][] extraCorresponding = null;
/**
* Instantiate a dimension property maker.
* @param baseMaker the base property maker
*/
public DimensionPropertyMaker(PropertyMaker baseMaker) {
super(baseMaker);
}
/**
* Set extra correspondences.
* @param extraCorresponding an array of four element integer arrays
*/
public void setExtraCorresponding(int[][] extraCorresponding) {
if (extraCorresponding == null) {
throw new NullPointerException();
}
for (int i = 0; i < extraCorresponding.length; i++) {
int[] eca = extraCorresponding[i];
if ((eca == null) || (eca.length != 4)) {
throw new IllegalArgumentException ("bad sub-array @ [" + i + "]");
}
}
this.extraCorresponding = extraCorresponding;
}
/**
* Determine if corresponding property is forced.
* @param propertyList the property list to use
* @return true if it is forced
*/
public boolean isCorrespondingForced(PropertyList propertyList) {
if (super.isCorrespondingForced(propertyList)) {
return true;
}
for (int i = 0; i < extraCorresponding.length; i++) {
int wmcorr = extraCorresponding[i][0]; //propertyList.getWritingMode()];
if (propertyList.getExplicit(wmcorr) != null) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
public Property compute(PropertyList propertyList) throws PropertyException {
// Based on [width|height]
Property p = super.compute(propertyList);
if (p == null) {
p = baseMaker.make(propertyList);
}
// Based on min-[width|height]
int wmcorr = propertyList.selectFromWritingMode(extraCorresponding[0][0],
extraCorresponding[0][1],
extraCorresponding[0][2],
extraCorresponding[0][3]);
Property subprop = propertyList.getExplicitOrShorthand(wmcorr);
if (subprop != null) {
baseMaker.setSubprop(p, Constants.CP_MINIMUM, subprop);
}
// Based on max-[width|height]
wmcorr = propertyList.selectFromWritingMode(extraCorresponding[1][0],
extraCorresponding[1][1],
extraCorresponding[1][2],
extraCorresponding[1][3]);
subprop = propertyList.getExplicitOrShorthand(wmcorr);
// TODO: Don't set when NONE.
if (subprop != null) {
baseMaker.setSubprop(p, Constants.CP_MAXIMUM, subprop);
}
return p;
}
}
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