Example usage for weka.gui ConverterFileChooser getLoader

Introduction

In this page you can find the example usage for weka.gui ConverterFileChooser getLoader.

Prototype

public AbstractFileLoader getLoader() 

Source Link

Document

returns the loader that was chosen by the user, can be null in case the user aborted the dialog or the save dialog was shown.

Usage

From source file:meka.gui.explorer.classify.OpenTestData.java

License:Open Source License

/**
 * Returns the action lister to use in the menu.
 *
 * @return          the listener/*ww  w .  j av a 2 s.  c  o m*/
 */
public ActionListener getActionListener(final ClassifyTab owner) {
    return new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            ConverterFileChooser filechooser;
            if (!hasSessionValue(owner, SESSION_KEY_FILECHOOSER)) {
                filechooser = GUIHelper.newConverterFileChooser();
                ExtensionFileFilter filter = new ExtensionFileFilter(".model", "Model files (*.model)");
                filechooser.addChoosableFileFilter(filter);
                filechooser.setFileFilter(filter);
                filechooser.setAcceptAllFileFilterUsed(true);
                setSessionValue(owner, SESSION_KEY_FILECHOOSER, filechooser);
            } else {
                filechooser = (ConverterFileChooser) getSessionValue(owner, SESSION_KEY_FILECHOOSER);
            }
            if (filechooser.showOpenDialog(owner) != ConverterFileChooser.APPROVE_OPTION)
                return;
            AbstractFileLoader loader = filechooser.getLoader();
            try {
                Instances data = loader.getDataSet();
                if (data != null)
                    owner.setTestData(data);
            } catch (Exception ex) {
                String msg = "Failed to load file: " + filechooser.getSelectedFile();
                System.err.println(msg);
                ex.printStackTrace();
                JOptionPane.showMessageDialog(owner, msg + "\n" + ex, "Error", JOptionPane.ERROR_MESSAGE);
            }
        }
    };
}

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