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Use INCLUSIVE_EXCLUSIVE to support 0-size numbers

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serso 2016-05-16 20:39:02 +02:00
parent 9e9d443144
commit 15b0984b23
1 changed files with 2 additions and 3 deletions
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5
app/src/main/java/org/solovyev/android/calculator/NumberBuilder.java
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@ -52,6 +52,7 @@ public class NumberBuilder extends BaseNumberBuilder {
@Nonnull NumeralBase nb, @Nonnull NumeralBase nb,
@Nonnull final MathEngine engine) { @Nonnull final MathEngine engine) {
if (oldNumber == null) { if (oldNumber == null) {
sb.setSpan(new NumberSpan(nb), sb.length(), sb.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
return 0; return 0;
} }
// in any case remove old number from text // in any case remove old number from text
@ -59,9 +60,7 @@ public class NumberBuilder extends BaseNumberBuilder {
sb.delete(sb.length() - oldNumberLength, sb.length()); sb.delete(sb.length() - oldNumberLength, sb.length());
final SpannableString newNumber = new SpannableString(engine.format(oldNumber, nb)); final SpannableString newNumber = new SpannableString(engine.format(oldNumber, nb));
if (newNumber.length() >= 1) { newNumber.setSpan(new NumberSpan(nb), 0, newNumber.length(), Spanned.SPAN_INCLUSIVE_EXCLUSIVE);
newNumber.setSpan(new NumberSpan(nb), 0, newNumber.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
sb.append(newNumber); sb.append(newNumber);
// offset between old number and new number // offset between old number and new number
return newNumber.length() - oldNumberLength; return newNumber.length() - oldNumberLength;