/**
* Saves the mappings to the according preferences file.<br>
* Mappings to <code>null</code> are not saved, so if you want to clear a mapping, use <code>null
* </code> as value.<br>
* Even if the saving process fails, the mappings are kept while the application is running.
*/
protected void store() {
Properties props = new Properties();
try {
FileInputStream fileInputStream = new FileInputStream(Constants.COMMAND_BINDINGS_FILE);
props.load(fileInputStream);
fileInputStream.close();
} catch (FileNotFoundException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
} catch (IOException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
}
List<Object> toRemove = new ArrayList<Object>();
for (Object entry : props.keySet()) {
if (entry.toString().startsWith(SAVE_KEY)) {
toRemove.add(entry);
}
}
for (Object obj : toRemove) {
props.remove(obj);
}
for (Entry<String, K> entry : commandMapping.entrySet()) {
if (entry.getValue() != null) {
props.put(SAVE_KEY + entry.getKey(), saveObject(entry.getValue()));
}
}
try {
FileOutputStream fileOutputStream = new FileOutputStream(Constants.COMMAND_BINDINGS_FILE);
props.store(fileOutputStream, "Mapping from commands to keys"); // $NON-NLS-1$
fileOutputStream.close();
} catch (FileNotFoundException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
} catch (IOException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
}
}
/**
* Clears all mappings and (re-)loads the mappings from the according preferences file into the
* local structure.
*/
private void reload() {
commandMapping.clear();
identifierToCommand.clear();
Properties props = new Properties();
File f = new File(Constants.COMMAND_BINDINGS_FILE);
if (f.exists()) {
try {
props.load(new FileInputStream(f));
for (Entry<Object, Object> entry : props.entrySet()) {
String pluginCommand = (String) entry.getKey();
int underscoreIndex = pluginCommand.lastIndexOf("_"); // $NON-NLS-1$
String mainClass = pluginCommand.substring(0, underscoreIndex);
String commandKey = pluginCommand.substring(underscoreIndex + 1);
if (pluginCommand.startsWith(SAVE_KEY)) {
mainClass = mainClass.replaceFirst(SAVE_KEY, ""); // $NON-NLS-1$
CommandDefinition def = CommandDefinition.getSimpleCommandDef(mainClass, commandKey);
String value = (String) entry.getValue();
K recoverObject = recoverObject(value);
if (recoverObject != null) {
addCommandMappingInternal(def, recoverObject);
}
}
}
} catch (FileNotFoundException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
} catch (IOException e) {
logClass.error(
"Error: "
+ e.getMessage() // $NON-NLS-1$
+ Constants.LINE_SEPARATOR,
e);
}
}
}
/**
* Gets the bind object for the given command
*
* @param command the plugin command to get the object for
* @return the object or <code>null</code> if none found for the given plugin command
*/
protected K getObjectInternal(CommandDefinition command) {
K object = commandMapping.get(command.getIdentifierString());
return object;
}
/**
* Gets the plugin command for the given object
*
* @param object the object to get the command for
* @return the plugin command for the given object or <code>null</code> if no mapping exists
*/
protected CommandDefinition getCommandInternal(K object) {
String key = commandMapping.getKey(object);
return identifierToCommand.get(key);
}
/**
* Binds the given object to the given command.<br>
* Mappings to <code>null</code> are not save, so if you want to clear a mapping, use <code>null
* </code> as value for the key sequence.<br>
*
* @param command the plugin command
* @param object the object to bind to the command
*/
protected void addCommandMappingInternal(CommandDefinition command, K object) {
commandMapping.put(command.getIdentifierString(), object);
identifierToCommand.put(command.getIdentifierString(), command);
}