/*
* 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: CollapsingBorderModelEyeCatching.java 679326 2008-07-24 09:35:34Z vhennebert $ */
package org.apache.fop.layoutmgr.table;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.flow.table.BorderSpecification;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground;
import org.apache.fop.fo.properties.CommonBorderPaddingBackground.BorderInfo;
/**
* Implements the normal "collapse" border model defined in 6.7.10 in XSL 1.0.
*
* TODO Column groups are not yet checked in this algorithm!
*/
public class CollapsingBorderModelEyeCatching extends CollapsingBorderModel {
/** {@inheritDoc} */
public BorderSpecification determineWinner(BorderSpecification border1,
BorderSpecification border2, boolean discard) {
BorderInfo bi1 = border1.getBorderInfo();
BorderInfo bi2 = border2.getBorderInfo();
if (discard) {
if (bi1.getWidth().isDiscard()) {
if (bi2.getWidth().isDiscard()) {
return new BorderSpecification(
CommonBorderPaddingBackground.getDefaultBorderInfo(), 0/*TODO*/);
} else {
return border2;
}
} else if (bi2.getWidth().isDiscard()) {
return border1;
}
}
// Otherwise, fall back to the default resolution algorithm
return determineWinner(border1, border2);
}
/** {@inheritDoc} */
public BorderSpecification determineWinner(BorderSpecification border1,
BorderSpecification border2) {
BorderInfo bi1 = border1.getBorderInfo();
BorderInfo bi2 = border2.getBorderInfo();
// Rule 1
if (bi1.getStyle() == Constants.EN_HIDDEN) {
return border1;
} else if (bi2.getStyle() == Constants.EN_HIDDEN) {
return border2;
}
// Rule 2
if (bi2.getStyle() == Constants.EN_NONE) {
return border1;
} else if (bi1.getStyle() == Constants.EN_NONE) {
return border2;
}
// Rule 3
int width1 = bi1.getRetainedWidth();
int width2 = bi2.getRetainedWidth();
if (width1 > width2) {
return border1;
} else if (width1 == width2) {
int cmp = compareStyles(bi1.getStyle(), bi2.getStyle());
if (cmp > 0) {
return border1;
} else if (cmp < 0) {
return border2;
}
} else {
return border2;
}
// Rule 4
int cmp = compareFOs(border1.getHolder(), border2.getHolder());
if (cmp > 0) {
return border1;
} else if (cmp < 0) {
return border2;
}
return null;
}
}