/** Constructor, initializing the default options. */
protected AProp() {
try {
for (final Field f : getClass().getFields()) {
final Object obj = f.get(null);
if (!(obj instanceof Object[])) continue;
final Object[] arr = (Object[]) obj;
props.put(arr[0].toString(), arr[1]);
}
} catch (final Exception ex) {
Util.notexpected(ex);
}
}
/** Code completion. */
private void complete() {
if (selected()) return;
// find first character
final int caret = editor.pos(), startPos = editor.completionStart();
final String prefix = string(substring(editor.text(), startPos, caret));
if (prefix.isEmpty()) return;
// find insertion candidates
final TreeMap<String, String> tmp = new TreeMap<>();
for (final Entry<String, String> entry : REPLACE.entrySet()) {
final String key = entry.getKey();
if (key.startsWith(prefix)) tmp.put(key, entry.getValue());
}
if (tmp.size() == 1) {
// insert single candidate
complete(tmp.values().iterator().next(), startPos);
} else if (!tmp.isEmpty()) {
// show popup menu
final JPopupMenu pm = new JPopupMenu();
final ActionListener al =
new ActionListener() {
@Override
public void actionPerformed(final ActionEvent ae) {
complete(ae.getActionCommand().replaceAll("^.*?\\] ", ""), startPos);
}
};
for (final Entry<String, String> entry : tmp.entrySet()) {
final JMenuItem mi = new JMenuItem("[" + entry.getKey() + "] " + entry.getValue());
pm.add(mi);
mi.addActionListener(al);
}
pm.addSeparator();
final JMenuItem mi = new JMenuItem(Text.INPUT + Text.COLS + prefix);
mi.setEnabled(false);
pm.add(mi);
final int[] cursor = rend.cursor();
pm.show(this, cursor[0], cursor[1]);
// highlight first entry
final MenuElement[] me = {pm, (JMenuItem) pm.getComponent(0)};
MenuSelectionManager.defaultManager().setSelectedPath(me);
}
}
/**
* Reads the configuration file and initializes the project properties. The file is located in the
* project home directory.
*
* @param prop property file extension
*/
protected synchronized void read(final String prop) {
file = new IOFile(HOME + IO.BASEXSUFFIX + prop);
final StringList read = new StringList();
final TokenBuilder err = new TokenBuilder();
if (!file.exists()) {
err.addExt("Saving properties in \"%\"..." + NL, file);
} else {
BufferedReader br = null;
try {
br = new BufferedReader(new FileReader(file.file()));
for (String line; (line = br.readLine()) != null; ) {
line = line.trim();
if (line.isEmpty() || line.charAt(0) == '#') continue;
final int d = line.indexOf('=');
if (d < 0) {
err.addExt("%: \"%\" ignored. " + NL, file, line);
continue;
}
final String val = line.substring(d + 1).trim();
String key = line.substring(0, d).trim();
// extract numeric value in key
int num = 0;
final int ss = key.length();
for (int s = 0; s < ss; ++s) {
if (Character.isDigit(key.charAt(s))) {
num = Integer.parseInt(key.substring(s));
key = key.substring(0, s);
break;
}
}
read.add(key);
final Object entry = props.get(key);
if (entry == null) {
err.addExt("%: \"%\" not found. " + NL, file, key);
} else if (entry instanceof String) {
props.put(key, val);
} else if (entry instanceof Integer) {
props.put(key, Integer.parseInt(val));
} else if (entry instanceof Boolean) {
props.put(key, Boolean.parseBoolean(val));
} else if (entry instanceof String[]) {
if (num == 0) {
props.put(key, new String[Integer.parseInt(val)]);
} else {
((String[]) entry)[num - 1] = val;
}
} else if (entry instanceof int[]) {
((int[]) entry)[num] = Integer.parseInt(val);
}
}
} catch (final Exception ex) {
err.addExt("% could not be parsed." + NL, file);
Util.debug(ex);
} finally {
if (br != null)
try {
br.close();
} catch (final IOException ex) {
}
}
}
// check if all mandatory files have been read
try {
if (err.isEmpty()) {
boolean ok = true;
for (final Field f : getClass().getFields()) {
final Object obj = f.get(null);
if (!(obj instanceof Object[])) continue;
final String key = ((Object[]) obj)[0].toString();
ok &= read.contains(key);
}
if (!ok) err.addExt("Saving properties in \"%\"..." + NL, file);
}
} catch (final IllegalAccessException ex) {
Util.notexpected(ex);
}
if (!err.isEmpty()) {
Util.err(err.toString());
write();
}
}
/**
* Assigns the specified object for the specified key.
*
* @param key key to be found
* @param val value to be written
*/
public final synchronized void setObject(final String key, final Object val) {
props.put(key, val);
finish();
}