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/*
* $Id: TraitSetter.java,v 1.6 2003/03/05 20:38:26 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.layoutmgr;
import org.apache.fop.fo.properties.CommonBorderAndPadding;
import org.apache.fop.traits.BorderProps;
import org.apache.fop.area.Area;
import org.apache.fop.area.Trait;
import org.apache.fop.fo.properties.CommonBackground;
/**
* This is a helper class used for setting common traits on areas.
*/
public class TraitSetter {
/**
* Sets border and padding traits on areas.
* @param area area to set the traits on
* @param bpProps border and padding properties
*/
public static void setBorderPaddingTraits(Area area,
CommonBorderAndPadding bpProps, boolean bNotFirst, boolean bNotLast) {
int iBP;
iBP = bpProps.getPadding(CommonBorderAndPadding.START, bNotFirst);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_START, new Integer(iBP)));
area.addTrait(Trait.PADDING_START, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.END, bNotLast);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_END, new Integer(iBP)));
area.addTrait(Trait.PADDING_END, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.BEFORE, false);
if (iBP > 0) {
// area.addTrait(new Trait(Trait.PADDING_BEFORE, new Integer(iBP)));
area.addTrait(Trait.PADDING_BEFORE, new Integer(iBP));
}
iBP = bpProps.getPadding(CommonBorderAndPadding.AFTER, false);
if (iBP > 0) {
//area.addTrait(new Trait(Trait.PADDING_AFTER, new Integer(iBP)));
area.addTrait(Trait.PADDING_AFTER, new Integer(iBP));
}
addBorderTrait(area, bpProps, bNotFirst,
CommonBorderAndPadding.START, Trait.BORDER_START);
addBorderTrait(area, bpProps, bNotLast, CommonBorderAndPadding.END,
Trait.BORDER_END);
addBorderTrait(area, bpProps, false, CommonBorderAndPadding.BEFORE,
Trait.BORDER_BEFORE);
addBorderTrait(area, bpProps, false, CommonBorderAndPadding.AFTER,
Trait.BORDER_AFTER);
}
/**
* Sets border traits on an area.
* @param area area to set the traits on
* @param bpProps border and padding properties
*/
private static void addBorderTrait(Area area,
CommonBorderAndPadding bpProps,
boolean bDiscard, int iSide,
Object oTrait) {
int iBP = bpProps.getBorderWidth(iSide, bDiscard);
if (iBP > 0) {
// area.addTrait(new Trait(oTrait,
// new BorderProps(bpProps.getBorderStyle(iSide),
// iBP,
// bpProps.getBorderColor(iSide))));
area.addTrait(oTrait,
new BorderProps(bpProps.getBorderStyle(iSide),
iBP, bpProps.getBorderColor(iSide)));
}
}
/**
* Add borders to an area.
* Layout managers that create areas with borders can use this to
* add the borders to the area.
* @param curBlock area to set the traits on
* @param bordProps border properties
*/
public static void addBorders(Area curBlock, CommonBorderAndPadding bordProps) {
BorderProps bps = getBorderProps(bordProps, CommonBorderAndPadding.TOP);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_BEFORE, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.BOTTOM);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_AFTER, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.LEFT);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_START, bps);
}
bps = getBorderProps(bordProps, CommonBorderAndPadding.RIGHT);
if (bps.width != 0) {
curBlock.addTrait(Trait.BORDER_END, bps);
}
int padding = bordProps.getPadding(CommonBorderAndPadding.START, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_START, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.END, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_END, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.BEFORE, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_BEFORE, new java.lang.Integer(padding));
}
padding = bordProps.getPadding(CommonBorderAndPadding.AFTER, false);
if (padding != 0) {
curBlock.addTrait(Trait.PADDING_AFTER, new java.lang.Integer(padding));
}
}
private static BorderProps getBorderProps(CommonBorderAndPadding bordProps, int side) {
BorderProps bps;
bps = new BorderProps(bordProps.getBorderStyle(side),
bordProps.getBorderWidth(side, false),
bordProps.getBorderColor(side));
return bps;
}
/**
* Add background to an area.
* Layout managers that create areas with a background can use this to
* add the background to the area.
* @param curBlock the current block
* @param backProps the background properties
*/
public static void addBackground(Area curBlock, CommonBackground backProps) {
Trait.Background back = new Trait.Background();
back.setColor(backProps.backColor);
if (backProps.backImage != null) {
back.setURL(backProps.backImage);
back.setRepeat(backProps.backRepeat);
if (backProps.backPosHorizontal != null) {
back.setHoriz(backProps.backPosHorizontal.getValue());
}
if (backProps.backPosVertical != null) {
back.setVertical(backProps.backPosVertical.getValue());
}
}
if (back.getColor() != null || back.getURL() != null) {
curBlock.addTrait(Trait.BACKGROUND, back);
}
}
}
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