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package ca.allanwang.kau.kpref.activity.items
import android.view.View
import android.widget.SeekBar
import android.widget.TextView
import ca.allanwang.kau.R
import ca.allanwang.kau.kpref.activity.GlobalOptions
import ca.allanwang.kau.kpref.KPrefException
import ca.allanwang.kau.utils.tint
/**
* Created by Allan Wang on 2017-06-07.
*
* Checkbox preference
* When clicked, will toggle the preference and the apply the result to the checkbox
*/
open class KPrefSeekbar(val builder: KPrefSeekbarContract) : KPrefItemBase<Int>(builder) {
override fun defaultOnClick(itemView: View, innerContent: View?): Boolean = false
override fun onPostBindView(viewHolder: ViewHolder, textColor: Int?, accentColor: Int?) {
super.onPostBindView(viewHolder, textColor, accentColor)
val text = viewHolder.bindInnerView<TextView>(R.layout.kau_preference_seekbar_text)
if (textColor != null) text.setTextColor(textColor)
val tvc = builder.textViewConfigs
text.tvc()
val seekbar = viewHolder.bindLowerView<SeekBar>(R.layout.kau_preference_seekbar) {
it.max = builder.range
it.incrementProgressBy(builder.increments)
it.setOnSeekBarChangeListener(object : SeekBar.OnSeekBarChangeListener {
override fun onProgressChanged(sb: SeekBar, progress: Int, fromUser: Boolean) {
text.text = builder.toText(progress.fromProgress)
}
override fun onStartTrackingTouch(sb: SeekBar) {}
override fun onStopTrackingTouch(sb: SeekBar) {
val trueProgress = sb.progress.fromProgress
pref = trueProgress
}
})
}
if (accentColor != null) seekbar.tint(accentColor)
text.text = builder.toText(seekbar.progress.fromProgress) //set initial text in case no change occurs
seekbar.progress = pref.toProgress
}
/**
* Extension of the base contract
*/
interface KPrefSeekbarContract : BaseContract<Int> {
var min: Int
var max: Int
var increments: Int
var range: Int
/**
* Once a seekbar is let go, calculates what text to show in the text view
*/
var toText: (Int) -> String
var textViewConfigs: TextView.() -> Unit
}
/**
* Default implementation of [KPrefSeekbarContract]
*/
class KPrefSeekbarBuilder(
globalOptions: GlobalOptions,
titleRes: Int,
getter: () -> Int,
setter: (value: Int) -> Unit
) : KPrefSeekbarContract, BaseContract<Int> by BaseBuilder(globalOptions, titleRes, getter, setter) {
override var min: Int = 0
set(value) {
field = value
range = -1
}
override var max: Int = 100
set(value) {
field = value
range = -1
}
override var increments: Int = 1
override var range: Int = max - min
//value doesn't matter; setting will prompt the check
set(value) {
if (max <= min) throw KPrefException("Range min ($min) must be smaller than max ($max)")
field = max - min
}
override var toText: (Int) -> String = { it.toString() }
override var textViewConfigs: TextView.() -> Unit = {}
}
val Int.toProgress: Int
get() = this - builder.min
val Int.fromProgress: Int
get() = this + builder.min
override fun getType(): Int = R.id.kau_item_pref_seekbar
}
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