--- /dev/null
+package tim.prune.function.settings;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileReader;
+import java.util.Locale;
+
+import javax.swing.BorderFactory;
+import javax.swing.Box;
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JComboBox;
+import javax.swing.JDialog;
+import javax.swing.JFileChooser;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JTextField;
+import javax.swing.SwingConstants;
+import javax.swing.border.EtchedBorder;
+
+import tim.prune.App;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.config.Config;
+import tim.prune.load.GenericFileFilter;
+
+/**
+ * Class to show the popup window for setting the language code / file
+ */
+public class SetLanguage extends GenericFunction
+{
+ private JDialog _dialog = null;
+ private JComboBox<String> _languageDropDown = null;
+ private JTextField _langFileBox = null;
+ private int _startIndex = 0;
+
+ /** Names of languages for display in dropdown (not translated) */
+ private static final String[] LANGUAGE_NAMES = {"afrikaans", "\u010de\u0161tina", "deutsch", "english", "american english",
+ "espa\u00F1ol", "fran\u00E7ais", "italiano", "magyar", "nederlands", "polski", "portugu\u00EAs", "rom\u00E2n\u0103",
+ "suomi", "\u0440\u0443\u0441\u0441\u043a\u0438\u0439 (russian)", "\u4e2d\u6587 (chinese)",
+ "\u65E5\u672C\u8A9E (japanese)", "\uD55C\uAD6D\uC5B4/\uC870\uC120\uB9D0 (korean)", "schwiizerd\u00FC\u00FCtsch",
+ "\u0443\u043a\u0440\u0430\u0457\u043d\u0441\u044c\u043a\u0430 \u043c\u043e\u0432\u0430 (ukrainian)"
+ };
+ /** Associated language codes (must be in same order as names!) */
+ private static final String[] LANGUAGE_CODES = {"af", "cz", "de", "en", "en_us", "es", "fr", "it", "hu",
+ "nl", "pl", "pt", "ro", "fi", "ru", "zh", "ja", "ko", "de_ch", "uk"
+ };
+
+
+ /**
+ * Constructor
+ * @param inApp app object
+ */
+ public SetLanguage(App inApp)
+ {
+ super(inApp);
+ }
+
+ /**
+ * Return the name key for this function
+ */
+ public String getNameKey()
+ {
+ return "function.setlanguage";
+ }
+
+ /**
+ * @return the contents of the window as a Component
+ */
+ private Component makeContents()
+ {
+ JPanel mainPanel = new JPanel();
+ mainPanel.setLayout(new BorderLayout(0, 5));
+ JPanel midPanel = new JPanel();
+ midPanel.setLayout(new BoxLayout(midPanel, BoxLayout.Y_AXIS));
+ midPanel.setBorder(BorderFactory.createEmptyBorder(3, 3, 3, 3));
+ // description labels
+ JLabel label1 = new JLabel("<html>" + I18nManager.getText("dialog.setlanguage.firstintro") + "</html>");
+ label1.setAlignmentX(Component.LEFT_ALIGNMENT);
+ label1.setHorizontalAlignment(SwingConstants.LEFT);
+ midPanel.add(label1);
+ JLabel label2 = new JLabel("<html>" + I18nManager.getText("dialog.setlanguage.secondintro") + "</html>");
+ label2.setAlignmentX(Component.LEFT_ALIGNMENT);
+ label2.setHorizontalAlignment(SwingConstants.LEFT);
+ midPanel.add(label2);
+ midPanel.add(Box.createVerticalStrut(10));
+
+ // built-in languages
+ JPanel builtinPanel = new JPanel();
+ builtinPanel.setBorder(BorderFactory.createCompoundBorder(
+ BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3))
+ );
+ builtinPanel.setLayout(new BoxLayout(builtinPanel, BoxLayout.X_AXIS));
+ builtinPanel.add(new JLabel(I18nManager.getText("dialog.setlanguage.language") + " : "));
+ // Language dropdown
+ _languageDropDown = new JComboBox<String>(LANGUAGE_NAMES);
+ builtinPanel.add(_languageDropDown);
+ builtinPanel.add(Box.createHorizontalGlue());
+ JButton selectLangButton = new JButton(I18nManager.getText("button.select"));
+ selectLangButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ selectLanguage();
+ }
+ });
+ builtinPanel.add(selectLangButton);
+ builtinPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+ midPanel.add(builtinPanel);
+ midPanel.add(Box.createVerticalStrut(4));
+
+ // external language file
+ JPanel extraPanel = new JPanel();
+ extraPanel.setBorder(BorderFactory.createCompoundBorder(
+ BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(3, 3, 3, 3))
+ );
+ extraPanel.setLayout(new BoxLayout(extraPanel, BoxLayout.X_AXIS));
+ extraPanel.add(new JLabel(I18nManager.getText("dialog.setlanguage.languagefile") + " : "));
+ _langFileBox = new JTextField("some_long_example_file_path.txt");
+ extraPanel.add(_langFileBox);
+ // browse button
+ JButton browseButton = new JButton(I18nManager.getText("button.browse"));
+ extraPanel.add(browseButton);
+ browseButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent arg0) {
+ chooseFile();
+ }
+ });
+ extraPanel.add(Box.createHorizontalStrut(5));
+ JButton selectFileButton = new JButton(I18nManager.getText("button.select"));
+ selectFileButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e) {
+ selectLanguageFile();
+ }
+ });
+ extraPanel.add(selectFileButton);
+ extraPanel.setAlignmentX(Component.LEFT_ALIGNMENT);
+ midPanel.add(Box.createVerticalStrut(5));
+ midPanel.add(extraPanel);
+ midPanel.add(Box.createVerticalGlue());
+ mainPanel.add(midPanel, BorderLayout.CENTER);
+
+ // Cancel button at the bottom
+ JPanel buttonPanel = new JPanel();
+ buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+ cancelButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ _dialog.dispose();
+ }
+ });
+ buttonPanel.add(cancelButton);
+ mainPanel.add(buttonPanel, BorderLayout.SOUTH);
+ return mainPanel;
+ }
+
+
+ /**
+ * Show window
+ */
+ public void begin()
+ {
+ if (_dialog == null)
+ {
+ _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()));
+ _dialog.setLocationRelativeTo(_parentFrame);
+ _dialog.getContentPane().add(makeContents());
+ _dialog.pack();
+ }
+ // Try to use code from config
+ String code = Config.getConfigString(Config.KEY_LANGUAGE_CODE);
+ int index = getLanguageIndex(code);
+ // If it's not present, then use system locale settings
+ if (index < 0) {
+ Locale locale = Locale.getDefault();
+ index = getLanguageIndex(locale.getLanguage() + "_" + locale.getCountry());
+ if (index < 0) {
+ index = getLanguageIndex(locale.getLanguage());
+ }
+ }
+ // Select appropriate language from dropdown
+ if (index >= 0) {
+ _languageDropDown.setSelectedIndex(index);
+ }
+ _startIndex = _languageDropDown.getSelectedIndex();
+ // Get language file from config
+ String langfile = Config.getConfigString(Config.KEY_LANGUAGE_FILE);
+ _langFileBox.setText(langfile==null?"":langfile);
+ _dialog.setVisible(true);
+ }
+
+ /**
+ * Find the index of the given language code
+ * @param inCode code to look for
+ * @return index if found or -1
+ */
+ private static int getLanguageIndex(String inCode)
+ {
+ int idx = -1;
+ if (inCode != null && !inCode.equals("")) {
+ for (int i=0; i<LANGUAGE_CODES.length; i++) {
+ if (LANGUAGE_CODES[i].equalsIgnoreCase(inCode)) {
+ idx = i;
+ }
+ }
+ }
+ return idx;
+ }
+
+ /**
+ * Set the currently selected language in the Config
+ */
+ private void selectLanguage()
+ {
+ int index = _languageDropDown.getSelectedIndex();
+ // If index hasn't changed then don't dismiss dialog
+ if (index >= 0 && index != _startIndex)
+ {
+ String code = LANGUAGE_CODES[index];
+ // Set code and langfile in config
+ Config.setConfigString(Config.KEY_LANGUAGE_CODE, code);
+ Config.setConfigString(Config.KEY_LANGUAGE_FILE, null);
+ _dialog.dispose();
+ showEndMessage();
+ }
+ }
+
+ /**
+ * Select the currently selected language file to use for texts
+ */
+ private void selectLanguageFile()
+ {
+ final String oldPath = Config.getConfigString(Config.KEY_LANGUAGE_FILE);
+ String filename = _langFileBox.getText();
+ // Check there is an entry in the box
+ if (filename != null && !filename.equals(""))
+ {
+ // Check the file exists and is readable
+ File textsFile = new File(filename);
+ if (!textsFile.exists() || !textsFile.canRead())
+ {
+ _app.showErrorMessage(getNameKey(), "error.load.noread");
+ }
+ else if (!languageFileLooksOk(textsFile))
+ {
+ _app.showErrorMessage(getNameKey(), "error.language.wrongfile");
+ }
+ else if (oldPath == null || !textsFile.getAbsolutePath().equalsIgnoreCase(oldPath))
+ {
+ // Set in Config
+ Config.setConfigString(Config.KEY_LANGUAGE_FILE, textsFile.getAbsolutePath());
+ _dialog.dispose();
+ showEndMessage();
+ }
+ }
+ else {
+ // if file was previously selected, and now it's blank, then reset Config
+ if (oldPath != null && oldPath.length() > 0)
+ {
+ Config.setConfigString(Config.KEY_LANGUAGE_FILE, null);
+ _dialog.dispose();
+ showEndMessage();
+ }
+ }
+ }
+
+ /**
+ * Check the given file to see if it looks like a language file
+ * @param inFile File object to load
+ * @return true if file looks ok
+ */
+ private static boolean languageFileLooksOk(File inFile)
+ {
+ boolean ok = false;
+ boolean wrong = false;
+ BufferedReader reader = null;
+ try
+ {
+ // Read through text file looking for lines with the right start
+ reader = new BufferedReader(new FileReader(inFile));
+ String currLine = reader.readLine();
+ while (currLine != null && !ok && !wrong)
+ {
+ if (currLine.trim().length() > 0 && currLine.matches("[a-z.]+=.+")) {
+ ok = true;
+ }
+ if (currLine.indexOf('\0', 0) >= 0) {
+ wrong = true;
+ }
+ currLine = reader.readLine();
+ }
+ }
+ catch (Exception e) {} // ignore exceptions, flag remains as set
+ finally {
+ try {reader.close();} catch (Exception e2) {}
+ }
+ return ok && !wrong;
+ }
+
+ /**
+ * Function activated by the "Browse..." button to select a file
+ */
+ private void chooseFile()
+ {
+ JFileChooser chooser = new JFileChooser();
+ chooser.addChoosableFileFilter(
+ new GenericFileFilter("filetype.txt", new String[] {"txt", "text"}));
+ chooser.setAcceptAllFileFilterUsed(true);
+ // Set start path from currently selected file
+ String currPath = _langFileBox.getText();
+ if (currPath != null && currPath.length() > 1) {
+ chooser.setSelectedFile(new File(currPath));
+ }
+ if (chooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
+ {
+ _langFileBox.setText(chooser.getSelectedFile().getAbsolutePath());
+ }
+ }
+
+ /**
+ * Show message to remind about saving settings and restarting
+ */
+ private void showEndMessage()
+ {
+ final String messageKey = Config.getConfigBoolean(Config.KEY_AUTOSAVE_SETTINGS)?
+ "dialog.setlanguage.endmessagewithautosave":"dialog.setlanguage.endmessage";
+ JOptionPane.showMessageDialog(_parentFrame,
+ I18nManager.getText(messageKey),
+ I18nManager.getText(getNameKey()), JOptionPane.INFORMATION_MESSAGE);
+ }
+}