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package org.madore.damlengine;
import java.util.ArrayList;
import org.w3c.dom.*;
public final class TodoTitleElement extends TodoDefaultElement {
public static class Factory extends TodoElement.Factory {
@Override
public TodoTitleElement newItem(Element node,
Context ctx,
TodoItem caller) {
return new TodoTitleElement(node, ctx, caller);
}
}
public TodoTitleElement(Element node,
Context ctx,
TodoItem caller) {
super(node, ctx, caller);
}
public class TodoAgain extends TodoItem {
/* Make this a member class (i.e., not "static") so we can
* access the "node" field of the container class. Another
* option would have been to create a new subclass of
* TodoElement and initialize it on the same node: which is
* better? */
public TodoAgain(Context ctx, TodoItem caller) {
super(ctx, caller);
}
@Override
public void handle() {
assert(this.ctx == TodoTitleElement.this.ctx);
assert(this.caller == TodoTitleElement.this);
if ( ctx.gc.title != null )
throw new IllegalArgumentException("attempting to redefine title");
ctx.gc.title = ctx.doc.createDocumentFragment();
ctx.gc.titleStr = node.getTextContent();
ctx.gc.titleLang = LangHelper.getLangRec(node);
String lang = LangHelper.getLangNorec(node);
ArrayList<Node> childList = getChildList(node);
for ( Node child : childList ) {
ctx.gc.title.appendChild(child);
}
Element tit = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "title");
if ( lang != null )
LangHelper.setLangNorec(tit, lang);
node.getParentNode().replaceChild(tit, node);
tit.appendChild(ctx.doc.createTextNode(ctx.gc.titleStr));
}
}
@Override
public void handleNodeOnly() {
// First process the children, then come back to processing
// title, so we can extract the text content after replacement.
ArrayList<Node> childList = getChildList(this.node);
ArrayList<TodoElement> toProcess = new ArrayList<TodoElement>(childList.size());
for ( Node child : childList ) {
if ( child.getNodeType() == Node.ELEMENT_NODE ) {
TodoElement it
= TodoElement.getTodoElement((Element)child, this.ctx, this);
toProcess.add(it);
}
}
this.ownerDeque.registerAtStart(new TodoAgain(ctx, this));
this.ownerDeque.registerAtStart(toProcess);
}
}
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