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package org.madore.damlengine;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.TreeSet;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
import org.w3c.dom.*;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSParser;
import org.w3c.dom.ls.LSInput;
public final class TodoWeblogIndexSelectElement extends TodoDefaultElement {
public static class Factory extends TodoElement.Factory {
@Override
public TodoWeblogIndexSelectElement newItem(Element node,
Context ctx,
TodoItem caller) {
return new TodoWeblogIndexSelectElement(node, ctx, caller);
}
}
public TodoWeblogIndexSelectElement(Element node,
Context ctx,
TodoItem caller) {
super(node, ctx, caller);
}
@Override
public void handleNodeOnly() {
WeblogSummary wsum = WeblogSummary.getSummary();
if ( wsum == null || wsum.entries == null ) {
throw new IllegalStateException("weblog-index-select element encountered with no weblog summary available");
}
TreeSet<Integer> entlist = new TreeSet<Integer>(wsum.entries.keySet());
Element ul = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "ul");
ul.setAttributeNS(null, "id", "index");
ul.appendChild(ctx.doc.createTextNode("\n"));
node.getParentNode().replaceChild(ul, node);
final DOMImplementationLS domi
= (DOMImplementationLS)ctx.doc.getImplementation();
LSParser par = domi.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
ArrayList<TodoElement> toProcess
= new ArrayList<TodoElement>(entlist.size()*2);
Context ctx2 = ctx.clone(); ctx2.killA = true;
for ( Iterator<Integer> iter=entlist.descendingIterator() ; iter.hasNext() ; ) {
WeblogSummary.EntrySummary ent = wsum.entries.get(iter.next());
Matcher matcher = Pattern.compile("^(\\d{4})-(\\d{2})-(\\d{2})$").matcher(ent.date);
if ( ! matcher.matches() )
throw new IllegalArgumentException("entry "+ent.id+" has badly formed date");
String yearStr = matcher.group(1);
String monthStr = matcher.group(2);
String dayStr = matcher.group(3);
String numberStr = String.format("%04d",ent.id);
String targetFile = "";
targetFile = ((ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/"))
+ yearStr + "-" + monthStr + ".html";
String targetFragment = "d." + yearStr + "-" + monthStr
+ "-" + dayStr + "." + numberStr;
String target = targetFile + "#" + targetFragment;
Element li = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "li");
ul.appendChild(li);
ul.appendChild(ctx.doc.createTextNode("\n"));
li.setAttributeNS(null, "id", targetFragment);
li.setAttributeNS(null, "class", "weblog-index-entry");
LangHelper.setLangRec(li, ent.lang);
Element link;
if ( ent.titleXml == null ) {
link = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
li.appendChild(link);
link.appendChild(ctx.doc.createTextNode(ent.date));
} else {
li.appendChild(ctx.doc.createTextNode(ent.date+": "));
link = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
li.appendChild(link);
LSInput input = domi.createLSInput();
input.setStringData(ent.titleXml);
Document temp = par.parse(input);
Node newNode = ctx.doc.adoptNode(temp.getDocumentElement());
String explicitLang = LangHelper.getLangNorec(newNode);
if ( explicitLang != null )
LangHelper.setLangNorec(link, explicitLang);
ArrayList<Node> childList = getChildList(newNode);
for ( Node child : childList ) {
link.appendChild(child);
if ( child instanceof Element ) {
TodoElement it
= TodoElement.getTodoElement((Element)child,
ctx2, this);
toProcess.add(it);
}
}
}
link.setAttributeNS(null, "href", target);
}
this.ownerDeque.registerAtStart(toProcess);
}
}
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