com.etest.view.tq.charts.GraphicalInventoryBarChart.java Source code

Introduction

Here is the source code for com.etest.view.tq.charts.GraphicalInventoryBarChart.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package com.etest.view.tq.charts;

import com.etest.model.Curriculum;
import com.etest.service.CurriculumService;
import com.etest.service.ReportService;
import com.etest.serviceprovider.CurriculumServiceImpl;
import com.etest.serviceprovider.ReportServiceImpl;
import com.etest.utilities.CommonUtilities;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import java.awt.Color;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.data.category.DefaultCategoryDataset;
import org.vaadin.addon.JFreeChartWrapper;

/**
 *
 * @author jetdario
 */
public class GraphicalInventoryBarChart extends Window {

    CurriculumService cs = new CurriculumServiceImpl();
    ReportService rs = new ReportServiceImpl();

    public GraphicalInventoryBarChart() {
        setModal(true);

        VerticalLayout v = new VerticalLayout();
        v.setMargin(true);

        //        Panel panel = new Panel();
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        for (Curriculum c : cs.getAllCurriculum()) {
            for (int i = 0; i < 2; i++) {
                if (i == 0) {
                    dataset.addValue(rs.getTotalCasesBySubject(c.getCurriculumId()), "Cases", c.getSubject());
                } else {
                    dataset.addValue(rs.getTotalItemsBySubject(c.getCurriculumId()), "Items", c.getSubject());
                }
            }
        }

        JFreeChart chart = ChartFactory.createBarChart("Inventory of Items and Cases", "Subjects", "", dataset,
                PlotOrientation.VERTICAL, true, true, false);

        CategoryPlot plot = chart.getCategoryPlot();
        BarRenderer renderer = (BarRenderer) plot.getRenderer();

        Color color;

        for (int i = 0; i < dataset.getRowCount(); i++) {
            if (i % 2 == 0) {
                renderer.setSeriesPaint(i, new Color(0, 0, 255));
            } else {
                renderer.setSeriesPaint(i, new Color(255, 0, 0));
            }
        }

        //        JFreeChartWrapper wrapper = new JFreeChartWrapper(chart){
        //            
        //            @Override
        //            public void attach(){
        //                super.attach();
        //                setResource("src", getSource());
        //            }
        //            
        //        };

        v.addComponent(new ReportChartWrapper(chart, null, null));
        v.setWidthUndefined();
        v.setHeightUndefined();

        setContent(v);
        getContent().setWidthUndefined();
        getContent().setHeightUndefined();
        center();
    }

    double calculatePercentageOfCasesPerSubject(int totalCases, int totalCasesPerSubject) {
        return CommonUtilities.roundOffToTwoDecimal(((double) totalCasesPerSubject / totalCases) * 100);
    }
}