/*-- $Id: ListItem.java,v 1.10 2001/01/25 15:05:52 eschaeffer Exp $ --
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999 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.fo.flow;
// FOP
import org.apache.fop.fo.*;
import org.apache.fop.fo.properties.*;
import org.apache.fop.layout.Area;
import org.apache.fop.layout.BlockArea;
import org.apache.fop.layout.FontState;
import org.apache.fop.apps.FOPException;
// Java
import java.util.Enumeration;
public class ListItem extends FObj {
public static class Maker extends FObj.Maker {
public FObj make(FObj parent, PropertyList propertyList)
throws FOPException {
return new ListItem(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new ListItem.Maker();
}
FontState fs;
int align;
int alignLast;
int breakBefore;
int breakAfter;
int lineHeight;
int startIndent;
int endIndent;
int spaceBefore;
int spaceAfter;
String id;
public ListItem(FObj parent, PropertyList propertyList) {
super(parent, propertyList);
this.name = "fo:list-item";
}
public Status layout(Area area) throws FOPException {
if (this.marker == START) {
String fontFamily =
this.properties.get("font-family").getString();
String fontStyle =
this.properties.get("font-style").getString();
String fontWeight =
this.properties.get("font-weight").getString();
int fontSize =
this.properties.get("font-size").getLength().mvalue();
// font-variant support
// added by Eric SCHAEFFER
int fontVariant =
this.properties.get("font-variant").getEnum();
this.fs = new FontState(area.getFontInfo(), fontFamily,
fontStyle, fontWeight, fontSize, fontVariant);
this.align = this.properties.get("text-align").getEnum();
this.alignLast =
this.properties.get("text-align-last").getEnum();
this.lineHeight =
this.properties.get("line-height").getLength().mvalue();
this.startIndent =
this.properties.get("start-indent").getLength().mvalue();
this.endIndent =
this.properties.get("end-indent").getLength().mvalue();
this.spaceBefore =
this.properties.get("space-before.optimum").getLength().mvalue();
this.spaceAfter =
this.properties.get("space-after.optimum").getLength().mvalue();
this.id =
this.properties.get("id").getString();
area.getIDReferences().createID(id);
this.marker = 0;
}
/* not sure this is needed given we know area is from list block */
if (area instanceof BlockArea) {
area.end();
}
if (spaceBefore != 0) {
area.addDisplaySpace(spaceBefore);
}
startIndent += this.bodyIndent;
BlockArea blockArea =
new BlockArea(fs, area.getAllocationWidth(),
area.spaceLeft(), startIndent, endIndent,
0, align, alignLast, lineHeight);
blockArea.setPage(area.getPage());
blockArea.start();
blockArea.setAbsoluteHeight(area.getAbsoluteHeight());
blockArea.setIDReferences(area.getIDReferences());
int numChildren = this.children.size();
if (numChildren != 2) {
throw new FOPException("list-item must have exactly two children");
}
ListItemLabel label = (ListItemLabel) children.elementAt(0);
ListItemBody body = (ListItemBody) children.elementAt(1);
label.setDistanceBetweenStarts(this.distanceBetweenStarts);
label.setLabelSeparation(this.labelSeparation);
label.setBodyIndent(this.bodyIndent);
body.setDistanceBetweenStarts(this.distanceBetweenStarts);
body.setBodyIndent(this.bodyIndent);
/* this doesn't actually do anything */
body.setLabelSeparation(this.labelSeparation);
Status status;
// what follows doesn't yet take into account whether the
// body failed completely or only got some text in
if (this.marker == 0) {
// configure id
area.getIDReferences().configureID(id,area);
status = label.layout(blockArea);
if (status.isIncomplete()) {
return status;
}
}
status = body.layout(blockArea);
if (status.isIncomplete()) {
blockArea.end();
area.addChild(blockArea);
area.increaseHeight(blockArea.getHeight());
area.setAbsoluteHeight(blockArea.getAbsoluteHeight());
this.marker = 1;
return status;
}
blockArea.end();
area.addChild(blockArea);
area.increaseHeight(blockArea.getHeight());
area.setAbsoluteHeight(blockArea.getAbsoluteHeight());
if (spaceAfter != 0) {
area.addDisplaySpace(spaceAfter);
}
/* not sure this is needed given we know area is from list block */
if (area instanceof BlockArea) {
area.start();
}
return new Status(Status.OK);
}
}