improved past
This commit is contained in:
Vladimir
parent
af7e505bc5
commit
c720619c37
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@ -7,14 +7,15 @@ import androidx.core.widget.doOnTextChanged
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import ru.touchin.roboswag.components.views.R
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import java.text.DecimalFormat
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import java.text.DecimalFormatSymbols
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import kotlin.math.abs
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import kotlin.math.max
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import kotlin.math.min
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import kotlin.math.pow
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class AmountWithDecimalEditText @JvmOverloads constructor(
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context: Context,
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attrs: AttributeSet?,
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defStyleAttr: Int = R.attr.editTextStyle
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context: Context,
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attrs: AttributeSet?,
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defStyleAttr: Int = R.attr.editTextStyle
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) : AppCompatEditText(context, attrs, defStyleAttr) {
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companion object {
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@ -52,28 +53,43 @@ class AmountWithDecimalEditText @JvmOverloads constructor(
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}
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if (text == decimalSeparator || text.count { it == decimalSeparator[0] } > 1) {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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if (abs(textBefore.length - text.length) > 1) {
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setTextWhichWasPasted(text)
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} else {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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}
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return@doOnTextChanged
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}
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if (text.take(2) == "00") {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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if (abs(textBefore.length - text.length) > 1) {
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setTextWhichWasPasted(text)
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} else {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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}
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return@doOnTextChanged
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}
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if (text.length >= 2 && text[0] == '0' && text[1] != decimalSeparator[0]) {
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setText(text[1].toString())
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setSelection(max(cursorPos - 1, 0))
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if (abs(textBefore.length - text.length) > 1) {
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setTextWhichWasPasted(text)
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} else {
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setTextWhichWasPasted(text)
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setSelection(max(cursorPos - 1, 0))
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}
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return@doOnTextChanged
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}
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val decimalPartLength_ = text.split(decimalSeparator).getOrNull(1)?.length
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if (!isSeparatorCutInvalidDecimalLength && decimalPartLength_ != null && decimalPartLength_ > decimalPartLength) {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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if (abs(textBefore.length - text.length) > 1) {
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setTextWhichWasPasted(text)
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} else {
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setText(textBefore)
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setSelection(max(cursorPos - 1, 0))
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}
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return@doOnTextChanged
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}
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@ -87,15 +103,10 @@ class AmountWithDecimalEditText @JvmOverloads constructor(
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setSelection(min(cursorPos + diff, textAfter.length))
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} else {
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if (!textBefore.contains(decimalSeparator)
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&& textAfter.contains(decimalSeparator)
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&& textAfter.contains(decimalSeparator)
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) {
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setText(textAfter)
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setSelection(
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min(
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textAfter.length,
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textAfter.indexOf(decimalSeparator) + 1
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)
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)
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setSelection(min(textAfter.length, textAfter.indexOf(decimalSeparator) + 1))
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return@doOnTextChanged
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}
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val diff = textBefore.length - textAfter.length
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@ -115,6 +126,28 @@ class AmountWithDecimalEditText @JvmOverloads constructor(
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}
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}
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private fun setTextWhichWasPasted(text: String) {
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var result = ""
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var decimalLength = -1
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var index = 0
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while (decimalLength < decimalPartLength && index < text.length) {
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if (text[index] == decimalSeparator[0]) {
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if (decimalLength == -1 && decimalPartLength != 0) {
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decimalLength = 0
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result += text[index]
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} else {
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break
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}
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} else {
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result += text[index]
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}
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index++
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}
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result = result.formatMoney(decimalPartLength)
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setText(result)
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setSelection(result.length)
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}
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fun getTextWithoutFormatting() = text.toString().withoutFormatting()
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@ -124,28 +157,33 @@ class AmountWithDecimalEditText @JvmOverloads constructor(
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return result
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}
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private fun String.prepareForDoubleCast(): String {
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var result = this
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possibleDecimalSeparators.forEach {
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result = result.replace(it, ".")
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}
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return result.withoutFormatting()
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}
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private fun isTextErased(textBefore: String, textAfter: String) =
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textAfter.length <= textBefore.length
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textAfter.length <= textBefore.length
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private fun String.formatMoney(decimalPartLength_: Int?): String {
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var mask = COMMON_MONEY_MASK
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if (decimalPartLength_ != null && decimalPartLength != 0) mask += "." + "0".repeat(
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min(
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decimalPartLength_,
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decimalPartLength
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)
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)
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if (decimalPartLength_ != null && decimalPartLength != 0) {
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mask += "." + "0".repeat(min(decimalPartLength_, decimalPartLength))
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}
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val formatter = DecimalFormat(mask)
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formatter.decimalFormatSymbols = DecimalFormatSymbols().also {
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it.decimalSeparator = decimalSeparator[0]
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it.groupingSeparator = GROUPING_SEPARATOR
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}
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return formatter.format(this.replace(",", ".").toDouble().floor())
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return formatter.format(this.prepareForDoubleCast().toDouble().floor())
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}
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private fun Double.floor() =
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(this * 10.toDouble().pow(decimalPartLength)).toLong() / 10.toDouble()
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.pow(decimalPartLength)
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(this * 10.toDouble().pow(decimalPartLength)).toLong() / 10.toDouble()
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.pow(decimalPartLength)
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}
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}
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