ExportDependenciesDialog.java

package husacct.analyse.presentation;

//TODO Due to time issues this was done here. THis class needs to move to the control service..
import husacct.control.task.threading.ThreadWithLoader;
import husacct.ServiceProvider;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.File;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JTextField;
import javax.swing.filechooser.FileNameExtensionFilter;

class ExportDependenciesDialog extends JDialog {

    private static final long serialVersionUID = -6928586336028017253L;
    private JLabel pathLabel;
    private JTextField pathField;
    private JButton browseButton, exportButton;
    private File selectedFile;
    private AnalyseUIController uiController;

    public ExportDependenciesDialog(AnalyseUIController uiController) {
        this.uiController = uiController;
        setTitle(uiController.translate("ExportDependencies"));
        setup();
        addComponents();
        setListeners();
        super.setVisible(true);
    }

    private void setup() {
        this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        this.setLayout(new FlowLayout());
        this.setSize(new Dimension(350, 100));
        this.setResizable(false);
        ServiceProvider.getInstance().getControlService().centerDialog(this);
    }

    private void addComponents() {
        pathLabel = new JLabel(uiController.translate("PathLabelShort"));
        pathField = new JTextField(20);
        browseButton = new JButton(uiController.translate("BrowseButton"));
        exportButton = new JButton(uiController.translate("ExportButton"));
        exportButton.setEnabled(false);
        pathField.setEnabled(false);

        getRootPane().setDefaultButton(exportButton);

        add(pathLabel);
        add(pathField);
        add(browseButton);
        add(exportButton);
    }

    private void setListeners() {
        browseButton.addActionListener(new ActionListener() {
            @Override
			public void actionPerformed(ActionEvent arg0) {
                showFileDialog();
            }
        });
        exportButton.addActionListener(new ActionListener() {
            @Override
			public void actionPerformed(ActionEvent arg0) {
                if (validateSelectedFile()) {
                    dispose();
                    ThreadedDependencyExport dependencyExport = new ThreadedDependencyExport(uiController, selectedFile.getAbsolutePath());
                    ThreadWithLoader analyseExportThread = ServiceProvider.getInstance().getControlService().getThreadWithLoader(ServiceProvider.getInstance().getLocaleService().getTranslatedString("ExportingDependencies"), dependencyExport);
                    analyseExportThread.run();
                }
            }
        });
    }

    private void showFileDialog() {
        FileNameExtensionFilter filter = new FileNameExtensionFilter("xls", "xls", "xls");
        FileDialog fileDialog = new FileDialog(JFileChooser.FILES_ONLY, uiController.translate("OpenButton"), filter);
        int returnVal = fileDialog.showDialog(this);
        if (returnVal == JFileChooser.APPROVE_OPTION) {
            if (fileDialog.getSelectedFile().exists()) {
                setFile(fileDialog.getSelectedFile());
            } else {
                setFile(new File(fileDialog.getSelectedFile().getAbsolutePath() + "." + fileDialog.getFileFilter().getDescription()));
            }
        }
    }

    private void setFile(File file) {
        selectedFile = file;
        pathField.setText(file.getAbsolutePath());
        exportButton.setEnabled(true);
    }

    public boolean validateSelectedFile() {
        if (selectedFile == null) {
            ServiceProvider.getInstance().getControlService().showErrorMessage(uiController.translate("NoFileLocationError"));
            return false;
        } else if (!Regex.matchRegex(Regex.filenameRegex, selectedFile.getName())) {
            ServiceProvider.getInstance().getControlService().showErrorMessage(uiController.translate("InvalidFilenameError"));
            return false;
        }
        return true;
    }
}