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package tim.prune.function.settings;
import java.io.File;
import javax.swing.JOptionPane;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.config.Config;
/**
* Function responsible for migrating the config file
* from the old location to the new one
*/
public class MigrateConfig extends GenericFunction
{
private final File _targetFile;
/**
* Constructor
* @param inApp application object for callback
* @param inTarget target file for new config location
*/
public MigrateConfig(App inApp, File inTarget) {
super(inApp);
_targetFile = inTarget;
}
/** Get the name key */
public String getNameKey() {
return "function.migrateconfig";
}
/**
* Begin the function
*/
public void begin()
{
if (_targetFile == null) {
return;
}
if (getConfig().getConfigBoolean(Config.KEY_ASKED_ABOUT_CONFIG_MIGRATION)) {
return;
}
// Ask whether to do the migration or not
File oldConfigFile = getConfig().getConfigFile();
String oldPath = oldConfigFile.getAbsolutePath();
String nextPath = _targetFile.getAbsolutePath();
String message = I18nManager.getText("dialog.migrateconfig.confirm", oldPath, nextPath);
int answer = JOptionPane.showConfirmDialog(_app.getFrame(), message, getName(),
JOptionPane.YES_NO_CANCEL_OPTION);
if (answer == JOptionPane.CANCEL_OPTION || answer == JOptionPane.CLOSED_OPTION) {
return;
}
if (answer == JOptionPane.YES_OPTION)
{
File dirToCreate = _targetFile.getAbsoluteFile().getParentFile();
if (dirToCreate != null
&& (dirToCreate.isFile()
|| (!dirToCreate.exists() && !dirToCreate.mkdirs()))) {
String errorMessage = I18nManager.getText("error.migrateconfig.couldnotcreatedirectory", dirToCreate.getAbsolutePath());
_app.showErrorMessageNoLookup(getNameKey(), errorMessage);
return;
}
// Save config to new location
getConfig().setConfigFile(_targetFile);
SaveConfig saveFunction = new SaveConfig(_app);
if (!saveFunction.silentSave()) {
// if it didn't work, maybe we haven't got write permissions?
return;
}
// Try to delete old file
if (!deleteFile(oldConfigFile)) {
String errorMessage = I18nManager.getText("error.migrateconfig.couldnotdeletefile", oldConfigFile.getAbsolutePath());
_app.showErrorMessageNoLookup(getNameKey(), errorMessage);
}
}
else
{
// user said no to the migration, so keep file where it is, but don't ask again
getConfig().setConfigBoolean(Config.KEY_ASKED_ABOUT_CONFIG_MIGRATION, true);
// save silently to avoid asking again
new SaveConfig(_app).silentSave();
}
}
/** @return true if the given file was deleted, false if it still exists */
private boolean deleteFile(File inConfigFile) {
return inConfigFile == null
|| !inConfigFile.exists()
|| inConfigFile.delete();
}
}
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