123 lines
3.8 KiB
Kotlin
123 lines
3.8 KiB
Kotlin
package code.name.monkey.retromusic.adapter.base
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import android.annotation.SuppressLint
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import android.graphics.Color
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import android.view.Menu
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import android.view.MenuItem
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import androidx.annotation.MenuRes
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import androidx.fragment.app.FragmentActivity
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import androidx.recyclerview.widget.RecyclerView
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import code.name.monkey.appthemehelper.util.ATHUtil
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import code.name.monkey.retromusic.R
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import code.name.monkey.retromusic.interfaces.ICabCallback
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import code.name.monkey.retromusic.interfaces.ICabHolder
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import code.name.monkey.retromusic.util.RetroColorUtil
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import com.afollestad.materialcab.attached.AttachedCab
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import com.afollestad.materialcab.attached.destroy
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import com.afollestad.materialcab.attached.isActive
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import java.util.*
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abstract class AbsMultiSelectAdapter<V : RecyclerView.ViewHolder?, I>(
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open val activity: FragmentActivity, private val ICabHolder: ICabHolder?, @MenuRes menuRes: Int
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) : RecyclerView.Adapter<V>(), ICabCallback {
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private var cab: AttachedCab? = null
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private val checked: MutableList<I>
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private var menuRes: Int
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override fun onCabCreated(cab: AttachedCab, menu: Menu): Boolean {
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activity.window.statusBarColor =
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RetroColorUtil.shiftBackgroundColor(ATHUtil.resolveColor(activity, R.attr.colorSurface))
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return true
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}
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override fun onCabFinished(cab: AttachedCab): Boolean {
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clearChecked()
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activity.window.statusBarColor = Color.TRANSPARENT
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return true
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}
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override fun onCabItemClicked(item: MenuItem): Boolean {
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if (item.itemId == R.id.action_multi_select_adapter_check_all) {
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checkAll()
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} else {
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onMultipleItemAction(item, ArrayList(checked))
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cab?.destroy()
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clearChecked()
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}
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return true
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}
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private fun checkAll() {
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if (ICabHolder != null) {
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checked.clear()
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for (i in 0 until itemCount) {
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val identifier = getIdentifier(i)
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if (identifier != null) {
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checked.add(identifier)
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}
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}
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notifyDataSetChanged()
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updateCab()
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}
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}
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protected abstract fun getIdentifier(position: Int): I?
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protected open fun getName(i: I): String? {
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return i.toString()
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}
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protected fun isChecked(identifier: I): Boolean {
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return checked.contains(identifier)
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}
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protected val isInQuickSelectMode: Boolean
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get() = cab != null && cab!!.isActive()
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protected abstract fun onMultipleItemAction(menuItem: MenuItem, selection: List<I>)
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protected fun setMultiSelectMenuRes(@MenuRes menuRes: Int) {
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this.menuRes = menuRes
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}
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protected fun toggleChecked(position: Int): Boolean {
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if (ICabHolder != null) {
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val identifier = getIdentifier(position) ?: return false
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if (!checked.remove(identifier)) {
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checked.add(identifier)
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}
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notifyItemChanged(position)
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updateCab()
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return true
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}
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return false
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}
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private fun clearChecked() {
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checked.clear()
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notifyDataSetChanged()
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}
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@SuppressLint("StringFormatInvalid", "StringFormatMatches")
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private fun updateCab() {
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if (ICabHolder != null) {
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if (cab == null || !cab!!.isActive()) {
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cab = ICabHolder.openCab(menuRes, this)
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}
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val size = checked.size
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when {
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size <= 0 -> {
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cab?.destroy()
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}
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size == 1 -> {
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cab?.title(literal = getName(checked[0]))
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}
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else -> {
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cab?.title(literal = activity.getString(R.string.x_selected, size))
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}
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}
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}
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}
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init {
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checked = ArrayList()
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this.menuRes = menuRes
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}
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} |