/*
* (non-Javadoc)
* @see android.text.TextWatcher#onTextChanged(java.lang.CharSequence,
* int, int, int)
*/
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
if (DEBUG) {
Log.d(TAG, "onTextChanged(" + s + ", " + start + ", " + before + ") ###############");
}
if (!mDest.hasWindowFocus() || mDest.hasFocus() || s == null) {
return;
}
final String str = s.toString();
if ("".equals(str)) {
mDest.setText("");
return;
}
try {
android.util.Log.v(TAG, "converting temp=" + str + "{" + Double.parseDouble(str) + "}");
final double result = convert(Double.parseDouble(str));
android.util.Log.v("TemperatureChangeWatcher", "result=" + result);
// final String resutlStr = String.format("%.2f", result);
mDest.setNumber(result);
} catch (NumberFormatException e) {
// WARNING:
// this is thrown while a number is entered
// for example just a '-'
} catch (Exception e) {
Log.e(TAG, "ERROR", e);
mSource.setError("ERROR: " + e.getLocalizedMessage());
}
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_temperature_converter);
EditNumber celsiusEditNumber = (EditNumber) findViewById(R.id.converter_celsius_input);
EditNumber fahrenheitEditNumber = (EditNumber) findViewById(R.id.converter_fahrenheit_input);
celsiusEditNumber.addTextChangedListener(
newCelciusToFehrenheitWatcher(celsiusEditNumber, fahrenheitEditNumber));
fahrenheitEditNumber.addTextChangedListener(
newFehrenheitToCelciusWatcher(fahrenheitEditNumber, celsiusEditNumber));
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
if (DEBUG) {
Log.d(TAG, "onCreate(" + savedInstanceState + ")");
}
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mCelsius = (EditNumber) findViewById(R.id.celsius);
mFahrenheit = (EditNumber) findViewById(R.id.fahrenheit);
mCelsius.addTextChangedListener(
new TemperatureChangeWatcher(mCelsius, mFahrenheit) {
@Override
protected double convert(double temp) {
return TemperatureConverter.celsiusToFahrenheit(temp);
}
});
mFahrenheit.addTextChangedListener(
new TemperatureChangeWatcher(mFahrenheit, mCelsius) {
@Override
protected double convert(double temp) {
return TemperatureConverter.fahrenheitToCelsius(temp);
}
});
if (savedInstanceState != null) {
if (savedInstanceState.containsKey(CELSIUS_KEY)) {
final double c = savedInstanceState.getDouble(CELSIUS_KEY);
final double f = TemperatureConverter.celsiusToFahrenheit(c);
if (DEBUG) {
Log.d(TAG, "onCreate: restoring celsius: " + c);
}
mCelsius.setNumber(c);
mFahrenheit.setNumber(f);
} else if (savedInstanceState.containsKey(FAHRENHEIT_KEY)) {
final double f = savedInstanceState.getDouble(FAHRENHEIT_KEY);
final double c = TemperatureConverter.fahrenheitToCelsius(f);
if (DEBUG) {
Log.d(TAG, "onCreate: restoring fahrenheit: " + f);
}
mFahrenheit.setNumber(f);
mCelsius.setNumber(c);
}
}
mCelsius.setOnFocusChangeListener(mTemperatureEntryFocusChangeListener);
mFahrenheit.setOnFocusChangeListener(mTemperatureEntryFocusChangeListener);
}
@Override
public void onTextChanged(CharSequence input, int start, int before, int count) {
if (!destinationEditNumber.hasWindowFocus()
|| destinationEditNumber.hasFocus()
|| input == null) {
return;
}
String str = input.toString();
if ("".equals(str)) {
destinationEditNumber.setText("");
return;
}
try {
double temp = Double.parseDouble(str);
double result =
(option == Option.C2F)
? TemperatureConverter.celsiusToFahrenheit(temp)
: TemperatureConverter.fahrenheitToCelsius(temp);
String resultString = String.format("%.2f", result);
destinationEditNumber.setNumber(result);
destinationEditNumber.setSelection(resultString.length());
} catch (NumberFormatException ignore) {
// WARNING this is generated whilst numbers are being entered,
// for example just a '-' so we don't want to show the error just yet
} catch (Exception e) {
sourceEditNumber.setError("ERROR: " + e.getLocalizedMessage());
}
}
public double getFahrenheit() {
return mFahrenheit.getNumber();
}
public double getCelsius() {
return mCelsius.getNumber();
}
