room.utilization.BarGraph.java Source code

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Here is the source code for room.utilization.BarGraph.java

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/*
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package room.utilization;

import java.awt.Color;
import java.awt.Container;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer3D;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.general.Dataset;

/**
 *
 * @author Olasubomi
 */
public class BarGraph extends JFrame {
    private final String AXIS_LABEL = "Rooms";
    private final String VALUE_AXIS_LABEL = "Utilization Percentage";

    private String title = null;
    private String[][] data = null;

    public BarGraph(String graphTitle, String[][] graphData) {
        super(graphTitle);
        title = graphTitle;
        data = graphData;

        createBarGraph();
    }

    private void createBarGraph() {
        Container contentPane = getContentPane();

        contentPane.setBackground(Color.WHITE);

        setSize(700, 500);
        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        setLocation(500, 250);
        setIconImage(new ImageIcon(
                "C:\\Users\\Olasubomi\\Documents\\NetBeansProjects\\Room Utilization\\src\\room\\utilization\\icon.png")
                        .getImage());
        contentPane.add(createPanel());
        setVisible(true);
    }

    private CategoryDataset createDataset() {
        DefaultCategoryDataset ds = new DefaultCategoryDataset();
        int len = 0;

        for (int x = 0; x < data.length; x++) {
            len = data[x].length;
            ds.addValue(Double.parseDouble(data[x][len - 1]), data[x][0], data[x][0]);
        }

        return ds;
    }

    private JFreeChart createGraph(CategoryDataset dataset) {
        JFreeChart graph = null;
        BarRenderer3D br = null;
        graph = ChartFactory.createBarChart3D(title, AXIS_LABEL, VALUE_AXIS_LABEL, dataset,
                PlotOrientation.VERTICAL, true, true, false);

        return graph;
    }

    private JPanel createPanel() {
        JFreeChart graph = null;
        ChartPanel panel = null;

        graph = createGraph(createDataset());
        panel = new ChartPanel(graph);
        panel.setBackground(Color.WHITE);

        return panel;
    }
}