com.manydesigns.portofino.chart.Chart2DGenerator Maven / Gradle / Ivy
The newest version!
/*
* Copyright (C) 2005-2024 ManyDesigns srl. All rights reserved.
* http://www.manydesigns.com/
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package com.manydesigns.portofino.chart;
import com.manydesigns.elements.ElementsThreadLocals;
import com.manydesigns.portofino.persistence.Persistence;
import com.manydesigns.portofino.persistence.QueryUtils;
import org.apache.commons.lang.StringUtils;
import org.hibernate.Session;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.*;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DrawingSupplier;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.renderer.category.StandardBarPainter;
import org.jfree.chart.title.LegendTitle;
import org.jfree.chart.title.TextTitle;
import org.jfree.chart.title.Title;
import org.jfree.chart.urls.CategoryURLGenerator;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.text.TextBlockAnchor;
import org.jfree.ui.*;
import java.awt.*;
import java.util.Locale;
/**
* @author Paolo Predonzani - [email protected]
* @author Angelo Lupo - [email protected]
* @author Giampiero Granatella - [email protected]
* @author Alessio Stalla - [email protected]
*/
public abstract class Chart2DGenerator extends AbstractChartGenerator {
public static final String copyright =
"Copyright (C) 2005-2024 ManyDesigns srl";
//**************************************************************************
// Other objects
//**************************************************************************
private final Font titleFont = new Font("SansSerif", Font.BOLD, 12);
private final Font axisFont = new Font("SansSerif", Font.PLAIN, 12);
private final Font legendFont = new Font("SansSerif", Font.BOLD, 10);
private final Font legendItemFont = new Font("SansSerif", Font.PLAIN, 10);
private final Color transparentColor = new Color(0, true);
public JFreeChart generate(ChartDefinition chartDefinition, Persistence persistence, Locale locale) {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
java.util.List result;
String query = chartDefinition.getQuery();
Session session = persistence.getSession(chartDefinition.getDatabase());
result = QueryUtils.runSql(session, query);
for (Object[] current : result) {
ComparableWrapper x = new ComparableWrapper((Comparable)current[0]);
ComparableWrapper y = new ComparableWrapper((Comparable)current[1]);
if(current.length > 3) {
x.setLabel(current[3].toString());
}
if(current.length > 4) {
y.setLabel(current[4].toString());
}
dataset.setValue((Number)current[2], x, y);
}
PlotOrientation plotOrientation = PlotOrientation.HORIZONTAL;
if (chartDefinition.getActualOrientation() == ChartDefinition.Orientation.VERTICAL) {
plotOrientation = PlotOrientation.VERTICAL;
}
JFreeChart chart = createChart(chartDefinition, dataset, plotOrientation);
chart.setAntiAlias(antiAlias);
// impostiamo il bordo invisibile
// eventualmente e' il css a fornirne uno
chart.setBorderVisible(borderVisible);
chart.setBorderPaint(Color.lightGray);
// impostiamo il titolo
TextTitle title = chart.getTitle();
title.setFont(titleFont);
title.setMargin(10.0, 0.0, 0.0, 0.0);
// ottieni il Plot
CategoryPlot plot = (CategoryPlot) chart.getPlot();
CategoryItemRenderer renderer = plot.getRenderer();
String urlExpression = chartDefinition.getUrlExpression();
if(!StringUtils.isBlank(urlExpression)) {
CategoryURLGenerator urlGenerator =
new ChartBarUrlGenerator(chartDefinition.getUrlExpression());
renderer.setBaseItemURLGenerator(urlGenerator);
} else {
renderer.setBaseItemURLGenerator(null);
}
renderer.setBaseOutlinePaint(Color.BLACK);
/////////////////
if (renderer instanceof BarRenderer) {
BarRenderer barRenderer = (BarRenderer)renderer;
barRenderer.setDrawBarOutline(true);
barRenderer.setShadowVisible(false);
barRenderer.setBarPainter(new StandardBarPainter());
}
/////////////////
// il plot ha sfondo e bordo trasparente
// (quindi si vede il colore del chart)
plot.setBackgroundPaint(transparentColor);
plot.setOutlinePaint(transparentColor);
//Modifico il toolTip
// plot.setToolTipGenerator(new StandardPieToolTipGenerator("{0} = {1} ({2})"));
// imposta il messaggio se non ci sono dati
plot.setNoDataMessage(ElementsThreadLocals.getText("no.data.available"));
plot.setRangeGridlinesVisible(true);
plot.setRangeGridlinePaint(Color.GRAY);
plot.setAxisOffset(new RectangleInsets(0,0,0,0));
// Category axis
CategoryAxis categoryAxis = plot.getDomainAxis();
categoryAxis.setAxisLinePaint(Color.BLACK);
categoryAxis.setLabelFont(axisFont);
categoryAxis.setAxisLineVisible(true);
// impostiamo la rotazione dell'etichetta
if (plot.getOrientation() == PlotOrientation.VERTICAL) {
CategoryLabelPosition pos =
new CategoryLabelPosition(RectangleAnchor.TOP_LEFT,
TextBlockAnchor.TOP_RIGHT,
TextAnchor.TOP_RIGHT, -Math.PI / 4.0,
CategoryLabelWidthType.CATEGORY, 100);
CategoryLabelPositions positions =
new CategoryLabelPositions(pos, pos, pos, pos);
categoryAxis.setCategoryLabelPositions(positions);
categoryAxis.setMaximumCategoryLabelWidthRatio(6.0f);
height = 333;
} else {
categoryAxis.setMaximumCategoryLabelWidthRatio(0.4f);
// recuperiamo 8 pixel a sinistra
plot.setInsets(new RectangleInsets(4.0, 0.0, 4.0, 8.0));
height = 74;
// contiamo gli elementi nel dataset
height += 23 * dataset.getColumnCount();
height += 57;
}
Axis rangeAxis = plot.getRangeAxis();
rangeAxis.setAxisLinePaint(Color.BLACK);
rangeAxis.setLabelFont(axisFont);
DrawingSupplier supplier =
new DesaturatedDrawingSupplier(plot.getDrawingSupplier());
plot.setDrawingSupplier(supplier);
// impostiamo il titolo della legenda
String legendString = chartDefinition.getLegend();
Title subtitle = new TextTitle(legendString, legendFont, Color.BLACK,
RectangleEdge.BOTTOM, HorizontalAlignment.CENTER,
VerticalAlignment.CENTER, new RectangleInsets(0, 0, 0, 0));
subtitle.setMargin(0, 0, 5, 0);
chart.addSubtitle(subtitle);
// impostiamo la legenda
LegendTitle legend = chart.getLegend();
legend.setBorder(0, 0, 0, 0);
legend.setItemFont(legendItemFont);
int legendMargin = 10;
legend.setMargin(0.0, legendMargin, legendMargin, legendMargin);
legend.setBackgroundPaint(transparentColor);
// impostiamo un gradiente orizzontale
Paint chartBgPaint = new GradientPaint(0, 0, new Color(255, 253, 240),
0, height, Color.WHITE);
chart.setBackgroundPaint(chartBgPaint);
return chart;
}
protected abstract JFreeChart createChart
(ChartDefinition chartDefinition, CategoryDataset dataset, PlotOrientation plotOrientation);
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy