2008/12/2 Michael Bedward <[EMAIL PROTECTED]>:
> 2008/12/2 Paulo Santos <[EMAIL PROTECTED]>:
>> As format a JFormattedTextField with 99º99' 99.99' '? I am using NetBeans
>> 6.1. My Text must be 99º99' 99.99' ' e my Value 99999999.
>
> Hi Paulo
>
> You need a class derived from JFormattedTextField.AbstractFormatter to
> do this for you... and I just happen to have one here :)
>
...and here it is again without stupid the stupid bugs that affect
negative coordinates
Michael
/**
* Formatter to handle DMS data with JFormattedTextField
*
* @author Michael Bedward <[EMAIL PROTECTED]>
*/
class DMSFormatter extends JFormattedTextField.AbstractFormatter {
public static final String DEGREES = "\u00B0";
public static final String MINUTES = "\'";
public static final String SECONDS = "\"";
public static final String DECIMAL = ".";
private static final String[] delims = {DEGREES, MINUTES, DECIMAL, SECONDS};
/**
* Parse a string of degrees, minutes, seconds, decimal seconds
* to an Long representation
* @param text input string
* @return a new Long value
* @throws java.text.ParseException
*/
@Override
public Object stringToValue(String str) throws ParseException {
long value = 0;
String tStr = str.trim();
boolean negative = false;
if (tStr.startsWith("-")) {
negative = true;
tStr = tStr.substring(1);
}
int pos = 0;
long x = 1000000;
for (String delim : delims) {
int index = tStr.indexOf(delim, pos);
if (index > pos) {
int part = Integer.parseInt(tStr.substring(pos, index));
value += x * part;
pos = index + 1;
}
x /= 100;
}
return new Long(value);
}
/**
* Format 99999999 as 99d99m99.99s
* @param value an Integer value
* @return formatted string
* @throws java.text.ParseException
*/
@Override
public String valueToString(Object value) throws ParseException {
long lval = (Integer)value;
StringBuilder sb = new StringBuilder();
if (lval < 0) {
lval = -lval;
sb.append("-");
}
long[] parts = new long[4];
for (int i = 0; i < parts.length; i++) {
if (lval > 0) {
parts[i] = lval % 100;
lval /= 100;
} else {
parts[i] = 0;
}
}
for (int i = 0; i < parts.length; i++) {
sb.append(parts[parts.length - i - 1]);
sb.append(delims[i]);
}
return sb.toString();
}
}
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