/*
* Return the lowercase of the first non-'&' character following
* an '&' character in the given string. If there are no '&'
* characters in the given string, return '\0'.
*/
char _findMnemonic(String string) {
if (string == null) return '\0';
int index = 0;
int length = string.length();
do {
while (index < length && string.charAt(index) != '&') index++;
if (++index >= length) return '\0';
if (string.charAt(index) != '&') return Character.toLowerCase(string.charAt(index));
index++;
} while (index < length);
return '\0';
}
void onMnemonic(TraverseEvent event) {
char mnemonic = _findMnemonic(text);
if (mnemonic == '\0') return;
if (Character.toLowerCase(event.character) != mnemonic) return;
Composite control = this.getParent();
while (control != null) {
Control[] children = control.getChildren();
int index = 0;
while (index < children.length) {
if (children[index] == this) break;
index++;
}
index++;
if (index < children.length) {
if (children[index].setFocus()) {
event.doit = true;
event.detail = SWT.TRAVERSE_NONE;
}
}
control = control.getParent();
}
}
private static long decodeDisplayLong(String val) throws Exception {
char[] chars = val.trim().toCharArray();
String digits = "";
String units = "";
for (char c : chars) {
if (Character.isDigit(c)) {
if (units.length() > 0) {
throw (new Exception("Invalid unit"));
}
digits += c;
} else {
if (digits.length() == 0) {
throw (new Exception("Missing digits"));
} else if (units.length() == 0 && Character.isWhitespace(c)) {
} else {
units += c;
}
}
}
long value = Long.parseLong(digits);
if (units.length() == 0) {
units = "m";
}
if (units.length() > 0) {
char c = Character.toLowerCase(units.charAt(0));
if (c == 'k') {
value = value * 1024;
} else if (c == 'm') {
value = value * 1024 * 1024;
} else if (c == 'g') {
value = value * 1024 * 1024 * 1024;
} else {
throw (new Exception("Invalid size unit '" + units + "'"));
}
}
return (value);
}