package org.nchc.incident;

import java.io.IOException;

import org.zkoss.json.JSONArray;
import org.zkoss.pivot.PivotField;
import org.zkoss.pivot.PivotModel;
import org.zkoss.pivot.Pivottable;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zk.ui.sys.ContentRenderer;

public class CustomPivottable extends Pivottable {
	
	private static final long serialVersionUID = 8944029960538732195L;
	
	@Override
	public void onInitRender(Event event) {
		super.onInitRender(event);
		PivotModel model = getModel();
		PivotField[] dataPF = model.getFields(PivotField.Type.DATA);
		smartUpdate("dataLs", JSONArray.toJSONString(getLabels(dataPF)));
		invalidate();
	}

	@Override
	protected void renderProperties(ContentRenderer renderer) throws IOException {
		super.renderProperties(renderer);
		PivotModel model = getModel();
		PivotField[] dataPF = model.getFields(PivotField.Type.DATA);
		render(renderer, "dataLs", JSONArray.toJSONString(getLabels(dataPF)));
	}
	
	private static String[] getLabels(PivotField[] fields) {
		int len = fields.length;
		String[] labels = new String[len];
		for(int i = 0; i < len; i++)
			labels[i] = fields[i].getFieldName() + "long long column name";
		return labels;
	}

}