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package ca.allanwang.kau.kpref.items
import android.support.annotation.CallSuper
import android.support.annotation.IdRes
import android.support.annotation.LayoutRes
import android.support.v7.widget.RecyclerView
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.LinearLayout
import android.widget.TextView
import butterknife.ButterKnife
import ca.allanwang.kau.R
import ca.allanwang.kau.kpref.CoreAttributeContract
import ca.allanwang.kau.utils.*
import com.mikepenz.fastadapter.items.AbstractItem
import com.mikepenz.iconics.typeface.IIcon
/**
* Created by Allan Wang on 2017-06-05.
*
* Core class containing nothing but the view items
*/
abstract class KPrefItemCore(val core: CoreContract) : AbstractItem<KPrefItemCore, KPrefItemCore.ViewHolder>() {
override final fun getViewHolder(v: View) = ViewHolder(v)
@CallSuper
override fun bindView(viewHolder: ViewHolder, payloads: List<Any>) {
super.bindView(viewHolder, payloads)
with(viewHolder) {
val context = itemView.context
title.text = context.string(core.titleRes)
if (core.descRes > 0)
desc?.visible()?.setText(core.descRes)
else
desc?.gone()
if (core.iicon != null) icon?.visible()?.setIcon(core.iicon, 24)
else icon?.gone()
innerFrame?.removeAllViews()
val textColor = core.attributes.textColor?.invoke()
if (textColor != null) {
title.setTextColor(textColor)
desc?.setTextColor(textColor)
}
val accentColor = core.attributes.accentColor?.invoke()
if (accentColor != null) {
icon?.drawable?.setTint(accentColor)
}
onPostBindView(this, textColor, accentColor)
}
}
abstract fun onPostBindView(viewHolder: ViewHolder, textColor: Int?, accentColor: Int?)
abstract fun onClick(itemView: View, innerContent: View?): Boolean
override fun unbindView(holder: ViewHolder) {
super.unbindView(holder)
with(holder) {
title.text = null
desc?.text = null
icon?.setImageDrawable(null)
// innerFrame?.removeAllViews()
}
}
/**
* Core values for all kpref items
*/
interface CoreContract {
val attributes: CoreAttributeContract
val titleRes: Int
var descRes: Int
var iicon: IIcon?
}
/**
* Default impementation of [CoreContract]
*/
class CoreBuilder(override val attributes: CoreAttributeContract,
override val titleRes: Int) : CoreContract {
override var descRes: Int = -1
override var iicon: IIcon? = null
}
class ViewHolder(v: View) : RecyclerView.ViewHolder(v) {
val title: TextView by bindView(R.id.kau_pref_title)
val container: ViewGroup? by bindOptionalView(R.id.kau_pref_container)
val desc: TextView? by bindOptionalView(R.id.kau_pref_desc)
val icon: ImageView? by bindOptionalView(R.id.kau_pref_icon)
val innerFrame: LinearLayout? by bindOptionalView(R.id.kau_pref_inner_frame)
val innerContent: View?
get() = itemView.findViewById(R.id.kau_pref_inner_content)
init {
ButterKnife.bind(v)
}
inline fun <reified T : View> bindInnerView(@LayoutRes id: Int): T {
if (innerFrame == null) throw IllegalStateException("Cannot bind inner view when innerFrame does not exist")
if (innerContent !is T) {
innerFrame!!.removeAllViews()
LayoutInflater.from(innerFrame!!.context).inflate(id, innerFrame)
}
return innerContent as T
}
inline fun <reified T : View> getInnerView() = innerContent as T
operator fun get(@IdRes id: Int): View = itemView.findViewById(id)
}
}
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