/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.richfaces.model;
import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import org.richfaces.json.JSONArray;
import org.richfaces.json.JSONObject;
import org.richfaces.renderkit.ChartRendererBase;
/**
*
* @author Lukas Macko
*/
public abstract class ChartDataModel<T, S> {
private Map<T, S> data;
protected ChartType type;
protected ChartStrategy strategy;
protected List<T> keys;
private Map<String, Object> attributes;
public ChartDataModel(ChartType type) {
data = new HashMap<T, S>();
keys = new LinkedList<T>();
this.type = type;
}
public void setData(Map<T, S> data) {
this.data = data;
}
public Map<T, S> getData() {
return data;
}
public void put(T key, S value) {
data.put(key, value);
keys.add(key);
}
public void remove(T key) {
data.remove(key);
keys.remove(key);
}
public JSONObject defaultExport() throws IOException {
JSONObject output = new JSONObject();
JSONArray jsdata;
// data
jsdata = new JSONArray();
for (T key : keys) {
JSONArray point = new JSONArray();
S value = (S) data.get(key);
point.put(key);
point.put(value);
jsdata.put(point);
}
ChartRendererBase.addAttribute(output, "data", jsdata);
// label
ChartRendererBase.addAttribute(output, "label",
getAttributes().get("label"));
// color
ChartRendererBase.addAttribute(output, "color",
getAttributes().get("color"));
return output;
}
public Object export() throws IOException {
return strategy.export(this);
}
public Map<String, Object> getAttributes() {
return attributes;
}
public void setAttributes(Map<String, Object> attributes) {
this.attributes = attributes;
}
public ChartType getType() {
return type;
}
public abstract Class getKeyType();
public abstract Class getValueType();
public enum ChartType {
line, bar, pie
}
}