be.vds.jtbdive.client.view.core.stats.StatPanel.java Source code

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Here is the source code for be.vds.jtbdive.client.view.core.stats.StatPanel.java

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/*
 * Jt'B Dive Logbook - Electronic dive logbook.
 * 
 * Copyright (C) 2010  Gautier Vanderslyen
 * 
 * Jt'B Dive Logbook is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package be.vds.jtbdive.client.view.core.stats;

import java.awt.BorderLayout;
import java.awt.CardLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.util.Observable;
import java.util.Observer;

import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;

import org.jfree.chart.ChartPanel;

import be.smd.i18n.swing.I18nLabel;
import be.vds.jtbdive.client.core.LogBookManagerFacade;
import be.vds.jtbdive.client.core.UnitsAgent;
import be.vds.jtbdive.client.core.event.LogBookEvent;
import be.vds.jtbdive.client.core.stats.StatQueryObject;
import be.vds.jtbdive.client.swing.component.DetailPanel;
import be.vds.jtbdive.client.view.utils.UIAgent;
import be.vds.jtbdive.client.view.wizard.stats.StatWizard;

public class StatPanel extends JPanel implements Observer {

    private static final long serialVersionUID = 827001315401416888L;
    private LogBookManagerFacade logBookManagerFacade;
    private ChartPanel chartPanel;
    private JButton statWizardButton;
    private CardLayout cardLayout;
    private JPanel centralPanel;
    private StatQueryObject statQueryObject;

    public StatPanel(LogBookManagerFacade logBookManagerFacade) {
        this.logBookManagerFacade = logBookManagerFacade;
        logBookManagerFacade.addObserver(this);
        UnitsAgent.getInstance().addObserver(this);
        init();
    }

    private void init() {
        this.setLayout(new BorderLayout());
        this.setBackground(UIAgent.getInstance().getColorBaseBackground());
        this.setOpaque(true);
        this.add(createHeader(), BorderLayout.NORTH);
        this.add(createCentralPanel(), BorderLayout.CENTER);
    }

    private Component createHeader() {
        statWizardButton = new JButton(new AbstractAction() {

            private static final long serialVersionUID = -5345284505247399133L;

            @Override
            public void actionPerformed(ActionEvent e) {
                StatWizard wizard = new StatWizard(logBookManagerFacade);
                statQueryObject = wizard.launchWizard();
                displayStatQueryObjectResult();
            }

        });
        statWizardButton.setIcon(UIAgent.getInstance().getIcon(UIAgent.ICON_STATISTICS_16));
        statWizardButton.setEnabled(false);

        JPanel p = new JPanel(new FlowLayout(FlowLayout.LEFT));
        p.setOpaque(false);
        p.add(statWizardButton);
        return p;
    }

    private void displayStatQueryObjectResult() {
        if (null != statQueryObject) {
            chartPanel.setChart(StatChartGenerator.buildChart(statQueryObject));
            showGraphPanel(true);
        } else {
            showGraphPanel(false);
        }
    }

    private JComponent createCentralPanel() {
        cardLayout = new CardLayout();
        centralPanel = new DetailPanel(cardLayout);

        centralPanel.add(createDefaultPanel(), "default");
        centralPanel.add(createGraphPanel(), "graph");
        return centralPanel;
    }

    private Component createDefaultPanel() {
        JPanel p = new JPanel();
        p.setOpaque(false);
        p.add(new I18nLabel("no.query.defined"));
        return p;
    }

    private Component createGraphPanel() {
        chartPanel = new ChartPanel(null);
        chartPanel.setOpaque(false);

        return chartPanel;
    }

    @Override
    public void update(Observable o, Object arg) {
        if (o.equals(UnitsAgent.getInstance())) {
            displayStatQueryObjectResult();
        } else if (arg instanceof LogBookEvent) {
            LogBookEvent event = (LogBookEvent) arg;
            if (event.getType().equals(LogBookEvent.LOGBOOK_CLOSED)
                    || event.getType().equals(LogBookEvent.LOGBOOK_DELETED)) {
                statQueryObject = null;
                showGraphPanel(false);
                statWizardButton.setEnabled(false);
            } else if (event.getType().equals(LogBookEvent.LOGBOOK_LOADED)) {
                statWizardButton.setEnabled(true);
            }
        }

    }

    private void showGraphPanel(boolean b) {
        cardLayout.show(centralPanel, b ? "graph" : "default");
    }

    public void updateLanguage() {
        displayStatQueryObjectResult();
    }
}