/**
* Set up the default screen control for this field.
*
* @param itsLocation Location of this component on screen (ie., GridBagConstraint).
* @param targetScreen Where to place this component (ie., Parent screen or GridBagLayout).
* @param converter The converter to set the screenfield to.
* @param iDisplayFieldDesc Display the label? (optional).
* @param properties Extra properties
* @return Return the component or ScreenField that is created for this field.
*/
public ScreenComponent setupDefaultView(
ScreenLoc itsLocation,
ComponentParent targetScreen,
Convert converter,
int iDisplayFieldDesc,
Map<String, Object> properties) {
converter = new FieldLengthConverter((Converter) converter, 25);
if (m_recSpecialFunction == null) {
m_recSpecialFunction = new SpecialFunction(this.getRecord().findRecordOwner());
if (m_recSpecialFunction.getRecordOwner() != null)
m_recSpecialFunction.getRecordOwner().removeRecord(m_recSpecialFunction);
}
FieldConverter convert =
new QueryConverter((Converter) converter, m_recSpecialFunction, SpecialFunction.NAME, true);
return createScreenComponent(
ScreenModel.COMBO_BOX, itsLocation, targetScreen, convert, iDisplayFieldDesc, properties);
}
/**
* Parse a double value
*
* @param d double to parse
* @param n number of significant figures
* @param p precision of the number
* @param f format of the number scientific, algebraic etc. return <i>true</i> if the parse was
* successful
*/
public boolean parseDouble(double d, int n, int p, int f) {
double x = d;
int left = n - p;
double right = 0;
int power;
int exponent;
int i;
StringBuffer s = new StringBuffer(n + 4);
if (left < 0) {
System.out.println("TextLine.parseDouble: Precision > significant figures!");
return false;
}
if (d < 0.0) {
x = -d;
s.append("-");
}
// System.out.println("parseDouble: value = "+x);
if (d == 0.0) exponent = 0;
else exponent = (int) (Math.floor(SpecialFunction.log10(x)));
// System.out.println("parseDouble: exponent = "+exponent);
power = exponent - (left - 1);
// System.out.println("parseDouble: power = "+power);
if (power < 0) {
for (i = power; i < 0; i++) {
x *= 10.0;
}
} else {
for (i = 0; i < power; i++) {
x /= 10.0;
}
}
// System.out.println("parseDouble: adjusted value = "+x);
left = (int) x;
s.append(left);
// System.out.println("parseDouble: left = "+left);
if (p > 0) {
s.append('.');
right = x - left;
for (i = 0; i < p; i++) {
right *= 10;
if (i == p - 1) right += 0.5;
s.append((int) (right));
right -= (int) right;
}
}
// System.out.println("parseDouble: right = "+right);
if (power != 0) {
if (f == SCIENTIFIC) {
s.append('E');
if (power < 0) s.append('-');
else s.append('+');
power = Math.abs(power);
if (power > 9) {
s.append(power);
} else {
s.append('0');
s.append(power);
}
} else {
s.append("x10{^");
s.append(power);
s.append("}");
}
}
setText(s.toString());
return true;
}
