Example usage for org.jfree.chart ChartPanel getDefaultDirectoryForSaveAs

Introduction

In this page you can find the example usage for org.jfree.chart ChartPanel getDefaultDirectoryForSaveAs.

Prototype

public File getDefaultDirectoryForSaveAs() 

Source Link

Document

Returns the default directory for the "save as" option.

Usage

From source file:ec.util.chart.swing.Charts.java

public static void saveChart(@Nonnull ChartPanel chartPanel) throws IOException {
    JFileChooser fileChooser = new JFileChooser();
    FileFilter defaultFilter = new FileNameExtensionFilter("PNG (.png)", "png");
    fileChooser.addChoosableFileFilter(defaultFilter);
    fileChooser.addChoosableFileFilter(new FileNameExtensionFilter("JPG (.jpg) (.jpeg)", "jpg", "jpeg"));
    if (Charts.canWriteChartAsSVG()) {
        fileChooser.addChoosableFileFilter(new FileNameExtensionFilter("SVG (.svg)", "svg"));
        fileChooser.addChoosableFileFilter(new FileNameExtensionFilter("Compressed SVG (.svgz)", "svgz"));
    }/*from w  ww  . j a v a2s.  c o  m*/
    fileChooser.setFileFilter(defaultFilter);
    File currentDir = chartPanel.getDefaultDirectoryForSaveAs();
    if (currentDir != null) {
        fileChooser.setCurrentDirectory(currentDir);
    }
    if (fileChooser.showSaveDialog(chartPanel) == JFileChooser.APPROVE_OPTION) {
        File file = fileChooser.getSelectedFile();
        try (OutputStream stream = Files.newOutputStream(file.toPath())) {
            writeChart(getMediaType(file), stream, chartPanel.getChart(), chartPanel.getWidth(),
                    chartPanel.getHeight());
        }
        chartPanel.setDefaultDirectoryForSaveAs(fileChooser.getCurrentDirectory());
    }
}

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