/**
* Creates a line chart with default settings.
*
* @param title the chart title.
* @param categoryAxisLabel the label for the category axis.
* @param valueAxisLabel the label for the value axis.
* @param data the dataset for the chart.
* @param legend a flag specifying whether or not a legend is required.
* @param tooltips configure chart to generate tool tips?
* @param urls configure chart to generate URLs?
* @return a line chart.
*/
public static JFreeChart createLineChart(
String title,
java.awt.Font titleFont,
String categoryAxisLabel,
String valueAxisLabel,
CategoryDataset data,
PlotOrientation orientation,
boolean legend,
boolean tooltips,
boolean urls,
CategoryURLGenerator urlGenerator) {
CategoryAxis categoryAxis = new CategoryAxis(categoryAxisLabel);
ValueAxis valueAxis = new NumberAxis(valueAxisLabel);
LineAndShapeRenderer renderer = new LineAndShapeRenderer();
renderer.setLinesVisible(true);
renderer.setShapesVisible(false);
if (tooltips) {
renderer.setToolTipGenerator(new StandardCategoryToolTipGenerator());
}
if (urls) {
renderer.setItemURLGenerator(urlGenerator);
}
CategoryPlot plot = new CategoryPlot(data, categoryAxis, valueAxis, renderer);
plot.setOrientation(orientation);
JFreeChart chart = new JFreeChart(title, titleFont, plot, legend);
return chart;
}
public static void createChart() {
// criação do gráfico
JFreeChart chart =
ChartFactory.createLineChart(
"Gráfico da Função: " + funcao, // titulo do gráfico
"Resultados", // eixoy
"Valores de Entrada", // eixox
dataset, // base de dados
PlotOrientation.VERTICAL,
false, // legenda
true, // dica, popup
false // urls
);
// personalizando o gráfico
TextTitle source =
new TextTitle(
"Atenção! Dependo do número de valores, pode ser que não apareça os mesmos no eixo horizontal.");
source.setFont(new Font("SansSerif", Font.PLAIN, 10));
source.setPosition(RectangleEdge.BOTTOM);
source.setHorizontalAlignment(HorizontalAlignment.RIGHT);
source.setBackgroundPaint(Color.WHITE);
chart.addSubtitle(source);
chart.setBackgroundPaint(Color.GRAY);
CategoryPlot plot = (CategoryPlot) chart.getPlot();
plot.setBackgroundPaint(Color.DARK_GRAY);
plot.setRangeGridlinePaint(Color.BLACK);
// desenha os pontos
LineAndShapeRenderer renderer = (LineAndShapeRenderer) plot.getRenderer();
renderer.setShapesVisible(true);
renderer.setDrawOutlines(true);
renderer.setUseFillPaint(true);
renderer.setLegendTextPaint(1, Color.WHITE);
// change the auto tick unit selection to integer units only...
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
rangeAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
ChartFrame frame = new ChartFrame("Gráfico - Calculadora Função Atividade 2", chart);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
/**
* Updates the plot properties to match the properties defined on the panel.
*
* @param plot The plot.
*/
public void updatePlotProperties(Plot plot) {
// set the plot properties...
plot.setOutlinePaint(getOutlinePaint());
plot.setOutlineStroke(getOutlineStroke());
plot.setBackgroundPaint(getBackgroundPaint());
plot.setInsets(getPlotInsets());
// then the axis properties...
if (this.domainAxisPropertyPanel != null) {
Axis domainAxis = null;
if (plot instanceof CategoryPlot) {
CategoryPlot p = (CategoryPlot) plot;
domainAxis = p.getDomainAxis();
} else if (plot instanceof XYPlot) {
XYPlot p = (XYPlot) plot;
domainAxis = p.getDomainAxis();
}
if (domainAxis != null) {
this.domainAxisPropertyPanel.setAxisProperties(domainAxis);
}
}
if (this.rangeAxisPropertyPanel != null) {
Axis rangeAxis = null;
if (plot instanceof CategoryPlot) {
CategoryPlot p = (CategoryPlot) plot;
rangeAxis = p.getRangeAxis();
} else if (plot instanceof XYPlot) {
XYPlot p = (XYPlot) plot;
rangeAxis = p.getRangeAxis();
} else if (plot instanceof PolarPlot) {
PolarPlot p = (PolarPlot) plot;
rangeAxis = p.getAxis();
}
if (rangeAxis != null) {
this.rangeAxisPropertyPanel.setAxisProperties(rangeAxis);
}
}
if (this.plotOrientation != null) {
if (plot instanceof CategoryPlot) {
CategoryPlot p = (CategoryPlot) plot;
p.setOrientation(this.plotOrientation);
} else if (plot instanceof XYPlot) {
XYPlot p = (XYPlot) plot;
p.setOrientation(this.plotOrientation);
}
}
if (this.drawLines != null) {
if (plot instanceof CategoryPlot) {
CategoryPlot p = (CategoryPlot) plot;
CategoryItemRenderer r = p.getRenderer();
if (r instanceof LineAndShapeRenderer) {
((LineAndShapeRenderer) r).setLinesVisible(this.drawLines.booleanValue());
}
} else if (plot instanceof XYPlot) {
XYPlot p = (XYPlot) plot;
XYItemRenderer r = p.getRenderer();
if (r instanceof StandardXYItemRenderer) {
((StandardXYItemRenderer) r).setPlotLines(this.drawLines.booleanValue());
}
}
}
if (this.drawShapes != null) {
if (plot instanceof CategoryPlot) {
CategoryPlot p = (CategoryPlot) plot;
CategoryItemRenderer r = p.getRenderer();
if (r instanceof LineAndShapeRenderer) {
((LineAndShapeRenderer) r).setShapesVisible(this.drawShapes.booleanValue());
}
} else if (plot instanceof XYPlot) {
XYPlot p = (XYPlot) plot;
XYItemRenderer r = p.getRenderer();
if (r instanceof StandardXYItemRenderer) {
((StandardXYItemRenderer) r).setBaseShapesVisible(this.drawShapes.booleanValue());
}
}
}
// dmo: added this panel for colorbar control. (start dmo additions)
if (this.colorBarAxisPropertyPanel != null) {
ColorBar colorBar = null;
if (plot instanceof ContourPlot) {
ContourPlot p = (ContourPlot) plot;
colorBar = p.getColorBar();
}
if (colorBar != null) {
this.colorBarAxisPropertyPanel.setAxisProperties(colorBar);
}
}
// dmo: (end dmo additions)
}