com.ev.gui.views.AnnualDiagramView.java Source code

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Here is the source code for com.ev.gui.views.AnnualDiagramView.java

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/*
 * Copyright 2007-2009 Alexander Fabisch
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.ev.gui.views;

import com.ev.datamodel.CounterOfAYear;
import com.ev.logic.AnnualConsumption;
import java.awt.Dimension;
import java.util.*;
import org.jfree.chart.*;
import org.jfree.chart.plot.PlotOrientation;
import static com.ev.global.GlobalConfiguration.*;
import java.awt.Color;

/**
 * @author <a href="mailto:afabisch@tzi.de">Alexander Fabisch</a>
 * @since 0.8.2
 */
public class AnnualDiagramView extends AbstractDiagramView implements Observer {

    /**
     * Creates a new diagram for a specific year.
     * @param counter The data to by displayed. The argument has to be a subclass of Observable.
     * @throws ClassCastException Casting to Observable failed.
     */
    public AnnualDiagramView(CounterOfAYear counter) throws ClassCastException {
        ((Observable) counter).addObserver(this);
        init(counter);
    }

    /** @param energyData Counter values. */
    private void init(final CounterOfAYear counter) {
        final AnnualConsumption ac = new AnnualConsumption(counter);
        chart = ChartFactory.createBarChart3D(Integer.toString(counter.getYear()), getLang().getString("Month"),
                getLang().getString("Consumption"), ac.generateYearDatasetForDiagram(), PlotOrientation.VERTICAL,
                true, true, true);
        chartPanel = new ChartPanel(chart);
        chart.setBackgroundPaint(chartPanel.getBackground());
        chartPanel.setPreferredSize(new Dimension(PREFERRED_WIDTH, PREFERRED_HEIGHT));
        add(chartPanel);
    }

    @Override
    public final void update(Observable o, Object arg) {
        if (o instanceof CounterOfAYear) {
            removeAll();
            init((CounterOfAYear) o);
        }
    }
}