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/*
* $Id$
* Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
* For details on use and redistribution please refer to the
* LICENSE file included with these sources.
*/
package org.apache.fop.fo.flow;
// FOP
import org.apache.fop.fo.*;
import org.apache.fop.fo.properties.*;
import org.apache.fop.fo.pagination.PageSequence;
import org.apache.fop.layout.*;
import org.apache.fop.apps.FOPException;
import org.apache.fop.datatypes.*;
// Java
import java.util.Hashtable;
import java.util.Enumeration;
public class BlockContainer extends FObj {
ColorType backgroundColor;
int position;
int top;
int bottom;
int left;
int right;
int width;
int height;
int span;
AreaContainer areaContainer;
public static class Maker extends FObj.Maker {
public FObj make(FObj parent,
PropertyList propertyList) throws FOPException {
return new BlockContainer(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new BlockContainer.Maker();
}
PageSequence pageSequence;
protected BlockContainer(FObj parent,
PropertyList propertyList) throws FOPException {
super(parent, propertyList);
this.name = "fo:block-container";
this.span = this.properties.get("span").getEnum();
}
public Status layout(Area area) throws FOPException {
if (this.marker == START) {
// Common Accessibility Properties
AbsolutePositionProps mAbsProps = propMgr.getAbsolutePositionProps();
// Common Border, Padding, and Background Properties
BorderAndPadding bap = propMgr.getBorderAndPadding();
BackgroundProps bProps = propMgr.getBackgroundProps();
// Common Margin-Block Properties
MarginProps mProps = propMgr.getMarginProps();
// this.properties.get("block-progression-dimension");
// this.properties.get("break-after");
// this.properties.get("break-before");
// this.properties.get("clip");
// this.properties.get("display-align");
// this.properties.get("height");
// this.properties.get("id");
// this.properties.get("keep-together");
// this.properties.get("keep-with-next");
// this.properties.get("keep-with-previous");
// this.properties.get("overflow");
// this.properties.get("reference-orientation");
// this.properties.get("span");
// this.properties.get("width");
// this.properties.get("writing-mode");
this.marker = 0;
this.backgroundColor =
this.properties.get("background-color").getColorType();
this.position = this.properties.get("position").getEnum();
this.top = this.properties.get("top").getLength().mvalue();
this.bottom = this.properties.get("bottom").getLength().mvalue();
this.left = this.properties.get("left").getLength().mvalue();
this.right = this.properties.get("right").getLength().mvalue();
this.width = this.properties.get("width").getLength().mvalue();
this.height = this.properties.get("height").getLength().mvalue();
span = this.properties.get("span").getEnum();
// initialize id
String id = this.properties.get("id").getString();
area.getIDReferences().initializeID(id, area);
}
boolean prevChildMustKeepWithNext = false;
AreaContainer container = (AreaContainer)area;
if ((this.width == 0) && (this.height == 0)) {
width = right - left;
height = bottom - top;
}
this.areaContainer =
new AreaContainer(propMgr.getFontState(container.getFontInfo()),
container.getXPosition() + left,
container.getYPosition() - top, width, height,
position);
areaContainer.setPage(area.getPage());
areaContainer.setBackgroundColor(backgroundColor);
areaContainer.setBorderAndPadding(propMgr.getBorderAndPadding());
areaContainer.start();
areaContainer.setAbsoluteHeight(area.getAbsoluteHeight());
areaContainer.setIDReferences(area.getIDReferences());
int numChildren = this.children.size();
for (int i = this.marker; i < numChildren; i++) {
FObj fo = (FObj)children.elementAt(i);
Status status;
if ((status = fo.layout(areaContainer)).isIncomplete()) {
/*
* if ((prevChildMustKeepWithNext) && (status.laidOutNone())) {
* this.marker = i - 1;
* FObj prevChild = (FObj) children.elementAt(this.marker);
* prevChild.removeAreas();
* prevChild.resetMarker();
* return new Status(Status.AREA_FULL_SOME);
* // should probably return AREA_FULL_NONE if first
* // or perhaps an entirely new status code
* } else {
* this.marker = i;
* return status;
* }
*/
}
if (status.getCode() == Status.KEEP_WITH_NEXT) {
prevChildMustKeepWithNext = true;
}
}
area.setAbsoluteHeight(areaContainer.getAbsoluteHeight());
areaContainer.end();
if (position == Position.ABSOLUTE)
areaContainer.setHeight(height);
area.addChild(areaContainer);
return new Status(Status.OK);
}
/**
* Return the content width of the boxes generated by this block
* container FO.
*/
public int getContentWidth() {
if (areaContainer != null)
return areaContainer.getContentWidth(); // getAllocationWidth()??
else
return 0; // not laid out yet
}
public boolean generatesReferenceAreas() {
return true;
}
public int getSpan() {
return this.span;
}
}
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