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package org.madore.damlengine;
import org.w3c.dom.*;
public class TodoWXrefAttr extends TodoAttr {
public static class Factory extends TodoAttr.Factory {
@Override
public TodoWXrefAttr newItem(Attr attr, Element owner,
Context ctx,
TodoItem caller) {
return new TodoWXrefAttr(attr, owner, ctx, caller);
}
}
public TodoWXrefAttr(Attr attr, Element owner,
Context ctx,
TodoItem caller) {
super(attr, owner, ctx, caller);
}
@Override
public void handle() {
String wxrefStr = attr.getValue();
if ( wxrefStr.equals("##weblog-selection-older") ) {
if ( ctx.wsc == null )
throw new IllegalStateException("wxref attribute encountered with no weblog selection state");
int prev = ctx.wsc.sel.first() - 1;
WeblogSummary sum = WeblogSummary.getSummary();
if ( sum != null && sum.entries != null
&& sum.entries.containsKey(new Integer(prev)) ) {
WeblogSummary.EntrySummary ent
= sum.entries.get(new Integer(prev));
String target = "#d." + ent.date + "."
+ String.format("%04d", ent.id);
this.owner.removeAttributeNode(this.attr);
Attr newAttr
= ctx.doc.createAttributeNS(DamlEngine.DAML_NS, "d:wref");
newAttr.setValue(target);
this.owner.setAttributeNodeNS(newAttr);
this.ownerDeque.registerAtStart(new TodoWrefAttr(newAttr, this.owner,
this.ctx, this));
} else {
String target = ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
+ "weblog-index.html";
this.owner.removeAttributeNode(this.attr);
Attr newAttr = ctx.doc.createAttributeNS(null, "href");
newAttr.setValue(target);
this.owner.setAttributeNodeNS(newAttr);
}
} else
throw new IllegalArgumentException("couldn't understand argument to wxref attribute");
}
}
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