+++ /dev/null
-package tim.prune.function;
-
-import java.awt.BorderLayout;
-import java.awt.Component;
-import java.awt.FlowLayout;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
-import java.awt.event.KeyAdapter;
-import java.awt.event.KeyEvent;
-import java.io.File;
-
-import javax.swing.JButton;
-import javax.swing.JCheckBox;
-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 tim.prune.App;
-import tim.prune.DataSubscriber;
-import tim.prune.GenericFunction;
-import tim.prune.I18nManager;
-import tim.prune.UpdateMessageBroker;
-import tim.prune.config.Config;
-import tim.prune.function.cache.ManageCacheFunction;
-
-/**
- * Class to show the popup window for setting the path to disk cache
- */
-public class DiskCacheConfig extends GenericFunction
-{
- private JDialog _dialog = null;
- private JCheckBox _cacheCheckbox = null;
- private JTextField _cacheDirBox = null;
- private JButton _browseButton = null;
- private JButton _okButton = null, _manageButton = null;
- private boolean _initialCheckState = false;
- private String _initialCacheDir = null;
-
- /**
- * Constructor
- * @param inApp app object
- */
- public DiskCacheConfig(App inApp)
- {
- super(inApp);
- }
-
- /**
- * Return the name key for this function
- */
- public String getNameKey()
- {
- return "function.diskcache";
- }
-
- /**
- * @return the contents of the window as a Component
- */
- private Component makeContents()
- {
- JPanel dialogPanel = new JPanel();
- dialogPanel.setLayout(new BorderLayout(0, 5));
- // top panel
- JPanel topPanel = new JPanel();
- _cacheCheckbox = new JCheckBox(I18nManager.getText("dialog.diskcache.save"));
- _cacheCheckbox.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent arg0) {
- enableButtons();
- }
- });
- topPanel.add(_cacheCheckbox);
- dialogPanel.add(topPanel, BorderLayout.NORTH);
- // dir panel
- JPanel dirPanel = new JPanel();
- dirPanel.setLayout(new BorderLayout());
- dirPanel.add(new JLabel(I18nManager.getText("dialog.diskcache.dir") + " : "), BorderLayout.WEST);
- _cacheDirBox = new JTextField(24);
- _cacheDirBox.addKeyListener(new KeyAdapter() {
- public void keyReleased(KeyEvent arg0) {
- super.keyReleased(arg0);
- enableButtons();
- }
- });
- dirPanel.add(_cacheDirBox, BorderLayout.CENTER);
- _browseButton = new JButton(I18nManager.getText("button.browse"));
- _browseButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent arg0) {
- chooseDir();
- }
- });
- dirPanel.add(_browseButton, BorderLayout.EAST);
- // holder panel so it doesn't expand vertically
- JPanel dirHolderPanel = new JPanel();
- dirHolderPanel.setLayout(new BorderLayout());
- dirHolderPanel.add(dirPanel, BorderLayout.NORTH);
- dialogPanel.add(dirHolderPanel, BorderLayout.CENTER);
-
- // OK, Cancel buttons at the bottom right
- JPanel buttonPanelr = new JPanel();
- buttonPanelr.setLayout(new FlowLayout(FlowLayout.RIGHT));
- _okButton = new JButton(I18nManager.getText("button.ok"));
- _okButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- finish();
- _dialog.dispose();
- }
- });
- buttonPanelr.add(_okButton);
- JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
- cancelButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- _dialog.dispose();
- }
- });
- buttonPanelr.add(cancelButton);
-
- // Manage button at the bottom left
- JPanel buttonPanell = new JPanel();
- buttonPanell.setLayout(new FlowLayout(FlowLayout.LEFT));
- _manageButton = new JButton(I18nManager.getText("button.manage"));
- _manageButton.addActionListener(new ActionListener() {
- public void actionPerformed(ActionEvent e)
- {
- finish();
- new ManageCacheFunction(_app).begin();
- }
- });
- buttonPanell.add(_manageButton);
- // Put them together
- JPanel buttonPanel = new JPanel();
- buttonPanel.setLayout(new BorderLayout());
- buttonPanel.add(buttonPanelr, BorderLayout.EAST);
- buttonPanel.add(buttonPanell, BorderLayout.WEST);
- dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
- return dialogPanel;
- }
-
- /**
- * Enable or disable the buttons according to what's changed
- */
- private void enableButtons()
- {
- final boolean checkState = _cacheCheckbox.isSelected();
- final String path = _cacheDirBox.getText();
- _cacheDirBox.setEditable(checkState);
- _browseButton.setEnabled(checkState);
- boolean ok = false;
- // If checkbox has stayed off then disable ok
- if (!_initialCheckState && !checkState) {ok = false;}
- else {
- // If checkbox has been switched off then enable
- if (!checkState) {ok = true;}
- else
- {
- // checkbox is on, check value
- if (path.equals("") || (_initialCacheDir != null && path.equals(_initialCacheDir))) {
- // Value blank or same as before
- ok = false;
- }
- else {
- ok = true;
- }
- }
- }
- _okButton.setEnabled(ok);
- // Manage button needs a valid cache
- boolean cacheDirGood = false;
- if (checkState && !path.equals(""))
- {
- File dir = new File(path);
- cacheDirGood = dir.exists() && dir.canRead() && dir.isDirectory();
- }
- _manageButton.setEnabled(cacheDirGood);
- }
-
- /**
- * Show window
- */
- public void begin()
- {
- if (_dialog == null)
- {
- _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()));
- _dialog.setLocationRelativeTo(_parentFrame);
- _dialog.getContentPane().add(makeContents());
- _dialog.pack();
- }
- // Set controls according to current config
- String currPath = Config.getConfigString(Config.KEY_DISK_CACHE);
- _cacheCheckbox.setSelected(currPath != null);
- _cacheDirBox.setText(currPath==null?"":currPath);
- enableButtons();
- // Remember current state
- _initialCheckState = _cacheCheckbox.isSelected();
- _dialog.setVisible(true);
- }
-
- /**
- * Function activated by the "Browse..." button to select a directory for the cache
- */
- private void chooseDir()
- {
- JFileChooser chooser = new JFileChooser();
- chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
- // Set start path from currently selected dir
- String path = _cacheDirBox.getText();
- if (path.length() > 1) {chooser.setCurrentDirectory(new File(path));}
- if (chooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION)
- {
- _cacheDirBox.setText(chooser.getSelectedFile().getAbsolutePath());
- }
- enableButtons();
- }
-
- /**
- * OK pressed, save selected settings in Config
- */
- private void finish()
- {
- String cachePath = (_cacheCheckbox.isSelected()?_cacheDirBox.getText():null);
- // Create dir if it doesn't exist already and creation confirmed
- if (cachePath != null)
- {
- File cacheDir = new File(cachePath);
- if ((!cacheDir.exists() || !cacheDir.isDirectory()) && (JOptionPane.showConfirmDialog(_dialog,
- I18nManager.getText("dialog.diskcache.createdir") + ": " + cacheDir.getAbsolutePath() + " ?",
- I18nManager.getText(getNameKey()), JOptionPane.OK_CANCEL_OPTION) == JOptionPane.CANCEL_OPTION || !cacheDir.mkdir()))
- {
- JOptionPane.showMessageDialog(_dialog, I18nManager.getText("dialog.diskcache.nocreate"),
- I18nManager.getText(getNameKey()), JOptionPane.WARNING_MESSAGE);
- return;
- }
- // Check that the cache path is writable too, and give warning if not
- if (cacheDir.exists() && cacheDir.isDirectory() && !cacheDir.canWrite())
- {
- JOptionPane.showMessageDialog(_dialog, I18nManager.getText("dialog.diskcache.cannotwrite"),
- I18nManager.getText(getNameKey()), JOptionPane.WARNING_MESSAGE);
- }
- }
- Config.setConfigString(Config.KEY_DISK_CACHE, cachePath);
- // inform subscribers so that tiles are wiped from memory and refetched
- UpdateMessageBroker.informSubscribers(DataSubscriber.MAPSERVER_CHANGED);
- }
-}
projects / GpsPrune.git / blobdiff