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package ca.allanwang.kau.kpref.items
import android.support.annotation.CallSuper
import android.support.annotation.StringRes
import ca.allanwang.kau.R
import ca.allanwang.kau.kpref.KPrefAdapterBuilder
import com.mikepenz.iconics.typeface.IIcon
/**
* Created by Allan Wang on 2017-06-05.
*
* Base class for pref setters that include the Shared Preference hooks
*/
abstract class KPrefItemBase<T>(builder: KPrefAdapterBuilder,
@StringRes title: Int,
@StringRes description: Int = -1,
iicon: IIcon? = null,
val enabler: () -> Boolean = { true },
private val getter: () -> T,
private val setter: (value: T) -> Unit) : KPrefItemCore(builder, title, description, iicon) {
var pref: T
get() = getter.invoke()
set(value) {
setter.invoke(value)
}
@CallSuper
override fun onPostBindView(viewHolder: ViewHolder, textColor: Int?, accentColor: Int?) {
val enabled = enabler.invoke()
with(viewHolder) {
container?.isEnabled = enabled
container?.alpha = if (enabled) 1.0f else 0.3f
}
}
override fun unbindView(holder: ViewHolder) {
super.unbindView(holder)
with(holder) {
container?.isEnabled = true
container?.alpha = 1.0f
}
}
override final fun getLayoutRes(): Int = R.layout.kau_preference
}
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