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package org.apache.xml.fop.fo.flow;
// FOP
import org.apache.xml.fop.fo.*;
import org.apache.xml.fop.fo.properties.*;
import org.apache.xml.fop.fo.pagination.PageSequence;
import org.apache.xml.fop.layout.Area;
import org.apache.xml.fop.apps.FOPException;
// Java
import java.util.Hashtable;
import java.util.Enumeration;
public class Flow extends FObj {
public static class Maker extends FObj.Maker {
public FObj make(FObj parent, PropertyList propertyList)
throws FOPException {
return new Flow(parent, propertyList);
}
}
public static FObj.Maker maker() {
return new Flow.Maker();
}
PageSequence pageSequence;
protected Flow(FObj parent, PropertyList propertyList)
throws FOPException {
super(parent, propertyList);
this.name = "fo:flow";
if (parent.getName().equals("fo:page-sequence")) {
this.pageSequence = (PageSequence) parent;
} else {
throw new FOPException("flow must be child of "
+ "page-sequence, not "
+ parent.getName());
}
pageSequence.setFlow(this);
}
public int layout(Area area) throws FOPException {
if (this.marker == START) {
this.marker = 0;
}
int numChildren = this.children.size();
for (int i = this.marker; i < numChildren; i++) {
FObj fo = (FObj) children.elementAt(i);
int status;
if ((status = fo.layout(area)) != OK) {
this.marker = i;
return status;
}
}
return OK;
}
}
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