erik/TESRemoteProgrammer
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Added support for leading zeros.

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This commit is contained in:
Erik C. Thauvin 2016-08-30 00:26:17 -07:00
parent 5761d9e3e6
commit 77d5e3d835
1 changed files with 36 additions and 10 deletions
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46
app/src/main/java/net/thauvin/erik/android/tesremoteprogrammer/filters/MinMaxFilter.kt
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@ -19,28 +19,54 @@ package net.thauvin.erik.android.tesremoteprogrammer.filters
import android.text.InputFilter
import android.text.Spanned
import org.jetbrains.anko.AnkoLogger
class MinMaxFilter : InputFilter {
class MinMaxFilter : InputFilter, AnkoLogger {
private val min: Int
private val max: Int
private val size: Int
private val zeros: Boolean
constructor(min: Int, max: Int, size: Int) {
constructor(min: Int, max: Int, size: Int, zeros: Boolean) {
this.min = min
this.max = max
this.size = size
this.zeros = zeros
}
override fun filter(source: CharSequence, start: Int, end: Int, dest: Spanned, dstart: Int, dend: Int): CharSequence? {
try {
val input = (dest.toString() + source.toString()).toInt()
val len = dest.length + source.length
if ((min > 0 && size > 1 && len < size && input == 0) || input in IntRange(min, max)) {
return null
}
} catch (nef: NumberFormatException) {
}
val input = (dest.toString() + source.toString())
if (isInRange(input, size, min, max, zeros)) {
return null
}
return ""
}
private fun isInRange(s: String, size: Int, min: Int, max: Int, zeros: Boolean): Boolean {
try {
var i = s.toInt()
val len = s.length
if (zeros) {
if (size > 1 && len != size) {
if (i == 0) {
return true
} else {
i = s.padEnd(size, '0').toInt()
}
}
} else {
if (len > 1 && s.startsWith("0")) {
return false
} else if (len < max.toString().length) {
i = s.padEnd(size, '0').toInt()
}
}
return i in IntRange(min, max)
} catch (nfe: NumberFormatException) {
return false
}
}
}