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fixed review

This commit is contained in:
Vladimir 2020-08-27 11:20:34 +05:00
parent 7c38dd0379
commit 66189db56a
1 changed files with 29 additions and 25 deletions
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54
views/src/main/java/ru/touchin/widget/AmountWithDecimalDecorator.kt
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@ -11,7 +11,10 @@ import kotlin.math.pow
@Suppress("detekt.LabeledExpression")
class AmountWithDecimalDecorator(
val editText: EditText
val editText: EditText,
val decimalSeparator: String = DEFAULT_DECIMAL_SEPARATOR,
val decimalPartLength: Int = DEFAULT_DECIMAL_PART_LENGTH,
val isSeparatorCutInvalidDecimalLength: Boolean = false
) {
companion object {
@ -25,56 +28,51 @@ class AmountWithDecimalDecorator(
}
var decimalSeparator = DEFAULT_DECIMAL_SEPARATOR
set(value) {
if (!possibleDecimalSeparators.contains(value)) {
throw IllegalArgumentException("Not allowed decimal separator. Supports only: $possibleDecimalSeparators")
}
field = value
}
var decimalPartLength = DEFAULT_DECIMAL_PART_LENGTH
var isSeparatorCutInvalidDecimalLength = false
var onTextChanged: (text: String) -> Unit = {}
private var textBefore = ""
private var isTextWasArtificiallyChanged = true
init {
if (!possibleDecimalSeparators.contains(decimalSeparator)) {
throw IllegalArgumentException("Not allowed decimal separator. Supports only: $possibleDecimalSeparators")
}
@Suppress("detekt.TooGenericExceptionCaught")
editText.doOnTextChanged { text, _, _, _ ->
if (isTextWasArtificiallyChanged) {
isTextWasArtificiallyChanged = false
val cursorPos = editText.selectionStart
val cursorPosition = editText.selectionStart
try {
var text = text.toString()
var currentText = text.toString()
possibleDecimalSeparators.forEach {
text = text.replace(it, decimalSeparator)
currentText = currentText.replace(it, decimalSeparator)
}
if (text == decimalSeparator || text.count { it == decimalSeparator[0] } > 1 || text.take(2) == "00") {
setTextWhenNewInputIncorrect(text, cursorPos)
if (isTextFormatIncorrect(currentText)) {
setTextWhenNewInputIncorrect(currentText, cursorPosition)
return@doOnTextChanged
}
if (text.length >= 2 && text[0] == '0' && text[1] != decimalSeparator[0]) {
setTextWithHeadZero(text, cursorPos)
if (isTextHasHeadZero(currentText)) {
setTextWithHeadZero(currentText, cursorPosition)
return@doOnTextChanged
}
val currentDecimalPartLength = text.split(decimalSeparator).getOrNull(1)?.length
val currentDecimalPartLength = currentText.split(decimalSeparator).getOrNull(1)?.length
if (isDecimalPathTooLong(currentDecimalPartLength)) {
setTextWhenNewInputIncorrect(text, cursorPos)
setTextWhenNewInputIncorrect(currentText, cursorPosition)
return@doOnTextChanged
}
val textAfter = if (text.isNotEmpty()) {
text.withoutFormatting().formatMoney(currentDecimalPartLength)
val textAfter = if (currentText.isNotEmpty()) {
currentText.withoutFormatting().formatMoney(currentDecimalPartLength)
} else ""
if (!isTextErased(textBefore, textAfter)) {
onTextErased(textAfter, cursorPos)
onTextErased(textAfter, cursorPosition)
} else {
onTextInserted(textAfter, cursorPos)
onTextInserted(textAfter, cursorPosition)
}
} catch (e: Throwable) {
editText.setText(textBefore)
@ -91,6 +89,12 @@ class AmountWithDecimalDecorator(
fun getTextWithoutFormatting(decimalSeparatorToReplace: String = decimalSeparator): String =
textBefore.withoutFormatting(decimalSeparatorToReplace)
private fun isTextFormatIncorrect(currentText: String) =
currentText == decimalSeparator || currentText.count { it == decimalSeparator[0] } > 1 || currentText.take(2) == "00"
private fun isTextHasHeadZero(currentText: String) =
currentText.length >= 2 && currentText[0] == '0' && currentText[1] != decimalSeparator[0]
private fun setTextWithHeadZero(text: String, cursorPos: Int) {
if (abs(textBefore.length - text.length) > 1) {
setTextWhichWasPasted(text)
@ -166,7 +170,7 @@ class AmountWithDecimalDecorator(
return result
}
private fun String.prepareForDoubleCast(): String {
private fun String.replaceSeparatorsToDot(): String {
var result = this
possibleDecimalSeparators.forEach {
result = result.replace(it, ".")
@ -188,7 +192,7 @@ class AmountWithDecimalDecorator(
it.decimalSeparator = decimalSeparator[0]
it.groupingSeparator = GROUPING_SEPARATOR
}
return formatter.format(this.prepareForDoubleCast().toDouble().floor())
return formatter.format(this.replaceSeparatorsToDot().toDouble().floor())
}
private fun Double.floor() =