mirror of
https://github.com/topjohnwu/Magisk.git
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54 lines
1.3 KiB
Kotlin
54 lines
1.3 KiB
Kotlin
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package com.topjohnwu.magisk.utils
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import android.content.res.Resources
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import android.widget.TextView
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import androidx.databinding.BindingAdapter
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import androidx.databinding.InverseBindingAdapter
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sealed class TransitiveText {
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abstract val isEmpty: Boolean
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abstract fun getText(resources: Resources): CharSequence
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// ---
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class String(
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private val value: CharSequence
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) : TransitiveText() {
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override val isEmpty = value.isEmpty()
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override fun getText(resources: Resources) = value
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}
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class Res(
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private val value: Int,
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private vararg val params: Any
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) : TransitiveText() {
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override val isEmpty = value == 0
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override fun getText(resources: Resources) =
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resources.getString(value, *params)
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}
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// ---
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companion object {
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val empty = String("")
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}
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}
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fun Int.asTransitive(vararg params: Any) = TransitiveText.Res(this, *params)
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fun CharSequence.asTransitive() = TransitiveText.String(this)
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@BindingAdapter("android:text")
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fun TextView.setText(text: TransitiveText) {
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this.text = text.getText(resources)
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}
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@InverseBindingAdapter(attribute = "android:text", event = "android:textAttrChanged")
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fun TextView.getTransitiveText() = text.asTransitive()
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