package pt.estgp.estgweb.services.courses.coursereport.documentmodel.learningresults.components;
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.utils.documentBuilder.ImageComponent;
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;
/**
* Created by jorgemachado on 31/10/17.
*/
public class GlobalLearningResultsChartYearImg
extends ImageComponent
{
/**
*
* @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 {
}
}