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47 changes: 40 additions & 7 deletions lib/src/main/java/me/ibrahimsn/lib/PhoneNumberKit.kt
Original file line number Diff line number Diff line change
Expand Up @@ -60,12 +60,12 @@ class PhoneNumberKit private constructor(

private var textChangedListener: MaskedTextChangedListener? = null

private fun setupListener(editText: EditText, pattern: String) {
private fun setupListener(editText: EditText, pattern: String, otherPatterns: List<String>) {
editText.removeTextChangedListener(textChangedListener)
textChangedListener = installOn(
editText,
pattern,
emptyList(),
otherPatterns,
AffinityCalculationStrategy.WHOLE_STRING,
object : MaskedTextChangedListener.ValueListener {
override fun onTextChanged(
Expand Down Expand Up @@ -102,18 +102,51 @@ class PhoneNumberKit private constructor(
}

private fun setCountry(country: Country) {
val formattedNumber = proxy.formatPhoneNumber(
proxy.getExampleNumber(country.iso2)
)
val exampleNumber = proxy.getExampleNumber(country.iso2)
val formattedNumber = proxy.formatPhoneNumber(exampleNumber)

val pattern = CountryPattern.create(
formattedNumber.orEmpty()
)

val patterns = findOtherPatterns(
formattedNumber.orEmpty(),
country.iso2
).map {
CountryPattern.create(it)
}

state.value = State.Attached(
country = country,
pattern = pattern
pattern = pattern,
otherPatterns = patterns
)
}

private fun findOtherPatterns(formattedNumber: String, iso2: String?): List<String> {
val validPatterns = mutableListOf<String>()
var testedNumber = formattedNumber

do {
testedNumber = testedNumber.dropLast(1)
val isValid = proxy.validateNumber(testedNumber, iso2)
if (isValid) {
validPatterns.add(testedNumber)
}
} while (isValid && testedNumber.isNotEmpty())

testedNumber = formattedNumber
do {
testedNumber += '0'
val isValid = proxy.validateNumber(testedNumber, iso2)
if (isValid) {
validPatterns.add(testedNumber)
}
} while (isValid && testedNumber.isNotEmpty())

return validPatterns
}

fun attachToInput(
input: TextInputLayout,
defaultCountry: Int,
Expand Down Expand Up @@ -157,7 +190,7 @@ class PhoneNumberKit private constructor(
}
}
input.get()?.editText?.let { editText ->
setupListener(editText, state.pattern)
setupListener(editText, state.pattern, state.otherPatterns)
}
if (inputValue.isNullOrEmpty()) {
inputValue = state.country.code.toString()
Expand Down
1 change: 1 addition & 0 deletions lib/src/main/java/me/ibrahimsn/lib/internal/model/State.kt
Original file line number Diff line number Diff line change
Expand Up @@ -10,5 +10,6 @@ sealed class State {
data class Attached(
val country: Country,
val pattern: String,
val otherPatterns: List<String>,
) : State()
}