Subversion Repositories bacoAlunos

import jomm.utils.BytesUtils;

import jomm.utils.MimeTypeGuesser;

import org.jfree.chart.ChartFactory;

import org.jfree.chart.JFreeChart;

import org.jfree.chart.block.BlockBorder;

import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;

import org.jfree.chart.plot.CategoryPlot;

import org.jfree.chart.plot.PiePlot;

import org.jfree.chart.plot.PlotOrientation;

import org.jfree.chart.plot.RingPlot;

import org.jfree.chart.renderer.category.StackedBarRenderer;

import org.jfree.chart.title.LegendTitle;

import org.jfree.data.category.DefaultCategoryDataset;

import org.jfree.data.general.DefaultPieDataset;

import org.jfree.ui.RectangleInsets;

import pt.estgp.estgweb.services.courses.coursereport.documentmodel.CourseReportDocument;

import pt.estgp.estgweb.utils.Globals;

import pt.estgp.estgweb.web.controllers.utils.FileUploaded;

import javax.imageio.ImageIO;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.FileOutputStream;

import java.io.IOException;

import java.text.DecimalFormat;

    /**

     *

     * @param results

     * @return the tmp path for generated chart

     * @throws java.io.IOException

     */

    public FileUploaded generateChart2tmp(UnitsLearningResultsTable results, CourseReportDocument courseReportDocument) throws 1.5.0/docs/api/java/io/IOException.html">IOException

    {

        //Anos para aparecer no grafico e para serem percorridos no foreach

        java.util.List<UnitsLearningResultYear> years = results.getYears();

        1.5.0/docs/api/java/lang/String.html">String tempName = BytesUtils.generateHexKey() + ".png";

        DefaultCategoryDataset data = new DefaultCategoryDataset();

        //Percorre cada ano, o year tem os métodos necessários para obter dados percentuais

        for(UnitsLearningResultYear year : years) {

            data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(year.getAprovados1013Percent()), "Aprovados 10-13", year.getAno() + "ºAno");

            data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(year.getAprovados1416Percent()), "Aprovados 14-16", year.getAno() + "ºAno");

            data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(year.getAprovados1720Percent()), "Aprovados 17-20", year.getAno() + "ºAno");

        }

        //addvalue parametros(valor,fila,coluna)

        data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(results.getAprovados1013Percent()), "Aprovados 10-13","Total");

        data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(results.getAprovados1416Percent()), "Aprovados 14-16","Total");

        data.addValue(new 1.5.0/docs/api/java/lang/Double.html">Double(results.getAprovados1720Percent()), "Aprovados 17-20","Total");

        //Cria o grafico com orientação e a data

        JFreeChart chart = ChartFactory.createStackedBarChart(null,null, null, data, PlotOrientation.VERTICAL, true, false, false);

        //Fundo e linhas visiveis

        chart.setBackgroundPaint(new 1.5.0/docs/api/java/awt/Color.html">Color(255,255,255));

        CategoryPlot plot = (CategoryPlot) chart.getPlot();

        plot.setBackgroundPaint(new 1.5.0/docs/api/java/awt/Color.html">Color(255, 255, 255));

        plot.setRangeGridlinePaint(1.5.0/docs/api/java/awt/Color.html">Color.GRAY);

        plot.setRangeGridlinesVisible(true);

        //Insets do grafico, com o padding

        RectangleInsets rectangle = new RectangleInsets(0,0,30F,0);

        chart.setPadding(rectangle);

        //Estilo do texto no grafico

        plot.getDomainAxis().setTickLabelFont(new 1.5.0/docs/api/java/awt/Font.html">Font("Helvetica", 1.5.0/docs/api/java/awt/Font.html">Font.PLAIN, 25));

        plot.getRangeAxis().setTickLabelFont(new 1.5.0/docs/api/java/awt/Font.html">Font("Helvetica", 1.5.0/docs/api/java/awt/Font.html">Font.PLAIN, 25));

        StackedBarRenderer renderer = (StackedBarRenderer) plot.getRenderer();

        //Cores do grafico

        renderer.setSeriesPaint(0, new 1.5.0/docs/api/java/awt/Color.html">Color(240, 130, 25));

        renderer.setSeriesPaint(1, new 1.5.0/docs/api/java/awt/Color.html">Color(255, 218, 0));

        renderer.setSeriesPaint(2, new 1.5.0/docs/api/java/awt/Color.html">Color(120, 173, 38));

        //Grossura das barras

        renderer.setMaximumBarWidth(0.1);

        //O primeiro parametro é {2} por defeito, o 2º formata os valores no chart. Mete-o visivel e formata a letra

        renderer.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator("{2}", new 1.5.0/docs/api/java/text/DecimalFormat.html">DecimalFormat("#.##'%'")));

        renderer.setBaseItemLabelsVisible(true);

        renderer.setBaseItemLabelFont(new 1.5.0/docs/api/java/awt/Font.html">Font("Helvetica", 1.5.0/docs/api/java/awt/Font.html">Font.PLAIN, 25));

        //Legenda do grafico

        LegendTitle legend = chart.getLegend();

        legend.setItemFont(new 1.5.0/docs/api/java/awt/Font.html">Font("Helvetica", 1.5.0/docs/api/java/awt/Font.html">Font.PLAIN, 25));

        legend.setFrame(BlockBorder.NONE);

        1.5.0/docs/api/java/awt/image/BufferedImage.html">BufferedImage image = chart.createBufferedImage( 300*4, 200*4);

        1.5.0/docs/api/java/lang/String.html">String pathGraficoTiposAlunos = Globals.TMP_DIR + java.io.1.5.0/docs/api/java/io/File.html">File.separator + tempName;

        java.io.1.5.0/docs/api/java/io/File.html">File output = new java.io.1.5.0/docs/api/java/io/File.html">File(pathGraficoTiposAlunos);

        1.5.0/docs/api/javax/imageio/ImageIO.html">ImageIO.write(image, "png", new 1.5.0/docs/api/java/io/FileOutputStream.html">FileOutputStream(output));

        FileUploaded fileUploaded = new FileUploaded();

        fileUploaded.setTmpName(tempName);

        fileUploaded.setTitle("Taxa global de aproveitamento");

        fileUploaded.setDescription("Curso: " + courseReportDocument.getCourseName() + " (" + courseReportDocument.getCourseCode()+ ") ano " + courseReportDocument.getYear());

        fileUploaded.setContentType(MimeTypeGuesser.getInstance().guessMimeType(output));

        fileUploaded.setFileSize(output.length());

        fileUploaded.setExtension("png");

        return fileUploaded;

    }

    public static void main(1.5.0/docs/api/java/lang/String.html">String [] args) throws 1.5.0/docs/api/java/io/IOException.html">IOException {

    }