private void openButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_openButtonActionPerformed
        int result = openChooser.showOpenDialog(this);
        if (result == JFileChooser.APPROVE_OPTION) {
            File[] selected = openChooser.getSelectedFiles();
            if (selected.length > 0) {
                for (File file : selected) {
                    loadFile(file);
                }
            } else {
                loadFile(openChooser.getSelectedFile());
            }
            try {
                saveProjectConf(getWork());
            } catch (IOException ex) {
                Main.logger.log(Level.SEVERE, "Error", ex);
                ex.printStackTrace(System.err);
            }
        }
}//GEN-LAST:event_openButtonActionPerformed