SearchFolder.java

package net.pms.dlna;

import net.pms.Messages;
import net.pms.dlna.virtual.VirtualFolder;

public class SearchFolder extends VirtualFolder {
	private SearchObj sobj;

	public SearchFolder(SearchObj sobj) {
		this(Messages.getString("PMS.144"), sobj);
	}

	public SearchFolder(String name, SearchObj sobj) {
		super(name, null);
		this.sobj = sobj;
	}

	private void createSearcher(SearchObj obj, String initStr) {
		char i;
		Search s = new Search(obj, initStr);
		addChild(s);
		addChild(new SearchAction(s, '\0', "Clear"));
		addChild(new SearchAction(s, ' ', "Space"));
		addChild(new SearchAction(s, '\b', "Delete"));
		for (i = 'A'; i <= 'Z'; i++) {
			addChild(new SearchAction(s, i));
		}
		for (i = '0'; i <= '9'; i++) {
			addChild(new SearchAction(s, i));
		}
	}

	@Override
	public synchronized void resolve() {
	}

	@Override
	public void discoverChildren(String str) {
		if (str == null) {
			discoverChildren();
		} else {
			sobj.search(str, this);
		}
	}

	@Override
	public boolean isSearched() {
		return true;
	}

	@Override
	public void discoverChildren() {
		createSearcher(sobj, "");
	}

	@Override
	public boolean isRefreshNeeded() {
		return true;
	}

	@Override
	public boolean refreshChildren() {
		refreshChildren(null);
		return true;
	}

	@Override
	public boolean refreshChildren(String str) {
		if (str == null) {
			return false;
		}
		getChildren().clear();
		discoverChildren(str);
		return true;
	}
}