preferencesdialog.java

FuncPlotter is a combined Java application and applet for displaying two-dimensional plots of explic

    private void validatePreferences( )
        throws AppException
    {
        validatePreferencesGeneral( );
        validatePreferencesAppearance( );
        validatePreferencesPlot( );
        validatePreferencesFunction( );
        validatePreferencesFonts( );
    }

    //------------------------------------------------------------------

    private void setPreferences( )
    {
        setPreferencesGeneral( );
        setPreferencesAppearance( );
        setPreferencesPlot( );
        setPreferencesFunction( );
        setPreferencesFonts( );
    }

    //------------------------------------------------------------------

    private void doEnableBackgroundColour( )
    {
        backgroundColourButton.setEnabled( backgroundColourCheckBox.isSelected( ) );
    }

    //------------------------------------------------------------------

    private void doChooseBackgroundColour( )
    {
        Color colour = JColorChooser.showDialog( this, BACKGROUND_COLOUR_TITLE_STR,
                                                 backgroundColourButton.getForeground( ) );
        if ( colour != null )
            backgroundColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotFocusedBorderColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_FOCUSED_BORDER_COLOUR_TITLE_STR,
                                                 plotFocusedBorderColourButton.getForeground( ) );
        if ( colour != null )
            plotFocusedBorderColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotImageMarginColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_IMAGE_MARGIN_COLOUR_TITLE_STR,
                                                 plotImageMarginColourButton.getForeground( ) );
        if ( colour != null )
            plotImageMarginColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotBackgroundColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_BACKGROUND_COLOUR_TITLE_STR,
                                                 plotBackgroundColourButton.getForeground( ) );
        if ( colour != null )
            plotBackgroundColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotGridColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_GRID_COLOUR_TITLE_STR,
                                                 plotGridColourButton.getForeground( ) );
        if ( colour != null )
            plotGridColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotAxisColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_AXIS_COLOUR_TITLE_STR,
                                                 plotAxisColourButton.getForeground( ) );
        if ( colour != null )
            plotAxisColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChoosePlotScaleColour( )
    {
        Color colour = JColorChooser.showDialog( this, PLOT_SCALE_MARKINGS_COLOUR_TITLE_STR,
                                                 plotScaleMarkingsColourButton.getForeground( ) );
        if ( colour != null )
            plotScaleMarkingsColourButton.setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doChooseFunctionDirectory( )
    {
        if ( directoryFileChooser == null )
        {
            directoryFileChooser = new JFileChooser( );
            directoryFileChooser.setDialogTitle( SELECT_DIR_STR1 );
            directoryFileChooser.setFileSelectionMode( JFileChooser.DIRECTORIES_ONLY );
            directoryFileChooser.setApproveButtonMnemonic( KeyEvent.VK_S );
            directoryFileChooser.setApproveButtonToolTipText( SELECT_DIR_STR2 );
            App.applyOrientationByLocale( directoryFileChooser );
        }
        directoryFileChooser.setCurrentDirectory( directoryField.getCanonicalFile( ) );
        directoryFileChooser.rescanCurrentDirectory( );
        if ( directoryFileChooser.showDialog( this, SELECT_STR ) == JFileChooser.APPROVE_OPTION )
            directoryField.setFile( directoryFileChooser.getSelectedFile( ),
                                    AppConfig.getInstance( ).isShowUnixPathnames( ) );
    }

    //------------------------------------------------------------------

    private void doChooseFunctionColour( String str )
    {
        int index = Integer.parseInt( str );
        Color colour = JColorChooser.showDialog( this, FUNCTION_COLOUR_TITLE_STR + (index + 1),
                                                 functionColourButtons[index].getForeground( ) );
        if ( colour != null )
            functionColourButtons[index].setForeground( colour );
    }

    //------------------------------------------------------------------

    private void doSaveConfiguration( )
    {
        try
        {
            validatePreferences( );

            File file = AppConfig.getInstance( ).chooseFile( );
            if ( file != null )
            {
                if ( !file.exists( ) ||
                     (JOptionPane.showOptionDialog( this, App.getPathname( file ) +
                                                                            AppConstants.ALREADY_EXISTS_STR,
                                                    SAVE_CONFIG_FILE_STR, JOptionPane.OK_CANCEL_OPTION,
                                                    JOptionPane.WARNING_MESSAGE, null,
                                                    AppConstants.RC_OPTION_STRS,
                                                    AppConstants.RC_OPTION_STRS[1] )
                                                                                == JOptionPane.OK_OPTION) )
                {
                    setPreferences( );
                    accepted = true;
                    OperationDialog.showDialog( this, WRITE_CONFIG_FILE_STR,
                                                new Operation.WriteConfig( file ) );
                }
            }
        }
        catch ( AppException e )
        {
            JOptionPane.showMessageDialog( this, e, App.SHORT_NAME, JOptionPane.ERROR_MESSAGE );
        }
        if ( accepted )
            doClose( );
    }

    //------------------------------------------------------------------

    private void doAccept( )
    {
        try
        {
            validatePreferences( );
            setPreferences( );
            accepted = true;
            doClose( );
        }
        catch ( AppException e )
        {
            JOptionPane.showMessageDialog( this, e, App.SHORT_NAME, JOptionPane.ERROR_MESSAGE );
        }
    }

    //------------------------------------------------------------------

    private void doClose( )
    {
        location = getLocation( );
        setVisible( false );
        dispose( );
    }

    //------------------------------------------------------------------

    private JPanel getPanelGeneral( )
    {

        //----  Control panel

        GridBagLayout gridBag = new GridBagLayout( );
        GridBagConstraints gbc = new GridBagConstraints( );

        JPanel controlPanel = new JPanel( gridBag );
        GuiUtilities.setPaddedLineBorder( controlPanel );

        int gridY = 0;

        AppConfig config = AppConfig.getInstance( );

        // Label: default file type

        JLabel defaultFileTypeLabel = new FLabel( DEFAULT_FILE_TYPE_STR );

        gbc.gridx = 0;
        gbc.gridy = gridY;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_END;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( defaultFileTypeLabel, gbc );
        controlPanel.add( defaultFileTypeLabel );

        // Combo box: default file type

        defaultFileTypeComboBox = new FComboBox( FileType.values( ) );
        defaultFileTypeComboBox.setSelectedItem( config.getDefaultFileType( ) );

        gbc.gridx = 1;
        gbc.gridy = gridY++;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_START;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( defaultFileTypeComboBox, gbc );
        controlPanel.add( defaultFileTypeComboBox );

        // Label: new document on startup

        JLabel newDocOnStartupLabel = new FLabel( NEW_DOC_ON_STARTUP_STR );

        gbc.gridx = 0;
        gbc.gridy = gridY;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_END;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( newDocOnStartupLabel, gbc );
        controlPanel.add( newDocOnStartupLabel );

        // Combo box: new document on startup

        newDocOnStartupComboBox = new BooleanComboBox( config.isNewDocumentOnStartup( ) );

        gbc.gridx = 1;
        gbc.gridy = gridY++;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_START;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( newDocOnStartupComboBox, gbc );
        controlPanel.add( newDocOnStartupComboBox );

        // Label: save function colours

        JLabel saveFunctionColoursLabel = new FLabel( SAVE_FUNCTION_COLOURS_STR );

        gbc.gridx = 0;
        gbc.gridy = gridY;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_END;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( saveFunctionColoursLabel, gbc );
        controlPanel.add( saveFunctionColoursLabel );

        // Combo box: save function colours

        saveFunctionColoursComboBox = new FComboBox( AppConfig.NoYesAsk.values( ) );
        saveFunctionColoursComboBox.setSelectedItem( config.getSaveFunctionColours( ) );

        gbc.gridx = 1;
        gbc.gridy = gridY++;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_START;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( saveFunctionColoursComboBox, gbc );
        controlPanel.add( saveFunctionColoursComboBox );

        // Label: show UNIX pathnames

        JLabel showUnixPathnamesLabel = new FLabel( SHOW_UNIX_PATHNAMES_STR );

        gbc.gridx = 0;
        gbc.gridy = gridY;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_END;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( showUnixPathnamesLabel, gbc );
        controlPanel.add( showUnixPathnamesLabel );

        // Combo box: show UNIX pathnames

        showUnixPathnamesComboBox = new BooleanComboBox( config.isShowUnixPathnames( ) );

        gbc.gridx = 1;
        gbc.gridy = gridY++;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.LINE_START;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = AppConstants.COMPONENT_INSETS;
        gridBag.setConstraints( showUnixPathnamesComboBox, gbc );
        controlPanel.add( showUnixPathnamesComboBox );


        //----  Outer panel

        JPanel outerPanel = new JPanel( gridBag );
        outerPanel.setBorder( BorderFactory.createEmptyBorder( 2, 2, 2, 2 ) );

        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.gridwidth = 1;
        gbc.gridheight = 1;
        gbc.weightx = 0.0;
        gbc.weighty = 0.0;
        gbc.anchor = GridBagConstraints.CENTER;
        gbc.fill = GridBagConstraints.NONE;
        gbc.insets = new Insets( 0, 0, 0, 0 );
        gridBag.setConstraints( controlPanel, gbc );
        outerPanel.add( controlPanel );

        return outerPanel;

    }

    //------------------------------------------------------------------

    private JPanel getPanelAppearance( )
    {

        //----  Control panel

        GridBagLayout gridBag = new GridBagLayout( );
        GridBagConstraints gbc = new GridBagConstraints( );

        JPanel controlPanel = new JPanel( gridBag );
        GuiUtilities.setPaddedLineBorder( controlPanel );