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Cleanup EasyRv

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tarsin committed 2023-07-16 18:45:12 +08:00
1 parent 91accb6655
commit 8f5094efef
1 file changed
+13 -181
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app/src/main/java/com/hippo/ehviewer/ui/legacy/EasyRecyclerView.kt
+13 -181
View File
@@ -20,39 +20,25 @@ import android.os.Parcel
import android.os.Parcelable
import android.util.AttributeSet
import android.util.SparseBooleanArray
import android.view.ActionMode
import android.view.Menu
import android.view.MenuItem
import android.view.View
import android.widget.Checkable
import androidx.collection.LongSparseArray
import androidx.core.os.ParcelCompat.readParcelable
import androidx.recyclerview.widget.RecyclerView
/**
* Add setChoiceMode for RecyclerView
*/
// Get some code from twoway-view and AbsListView.
open class EasyRecyclerView : RecyclerView {
class EasyRecyclerView @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyle: Int = 0,
) : RecyclerView(context, attrs, defStyle) {
// Fling friction
var pageScrollThreshold = 0f
/**
* Wrapper for the multiple choice mode callback; AbsListView needs to perform
* a few extra actions around what application code does.
*/
var mMultiChoiceModeCallback: MultiChoiceModeWrapper? = null
private var pageScrollThreshold = 0f
/**
* Controls if/how the user may choose/check items in the list
*/
private var mChoiceMode = CHOICE_MODE_NONE
/**
* Controls CHOICE_MODE_MULTIPLE_MODAL. null when inactive.
*/
private var mChoiceActionMode: ActionMode? = null
/**
* Listener for custom multiple choices
*/
@@ -85,22 +71,6 @@ open class EasyRecyclerView : RecyclerView {
private var mCheckedIdStates: LongSparseArray<Int>? = null
private var mAdapter: Adapter<*>? = null
constructor(context: Context) : super(context) {
init(context)
}
constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
init(context)
}
constructor(context: Context, attrs: AttributeSet?, defStyle: Int) : super(
context,
attrs,
defStyle,
) {
init(context)
}
/**
* {@inheritDoc}
*/
@@ -212,22 +182,13 @@ open class EasyRecyclerView : RecyclerView {
* Sets all items checked.
*/
fun checkAll() {
if (mChoiceMode == CHOICE_MODE_NONE || mChoiceMode == CHOICE_MODE_SINGLE) {
if (mChoiceMode == CHOICE_MODE_NONE) {
return
}
// Check is intoCheckMode
check(!(mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM && !isInCustomChoice)) { "Call intoCheckMode first" }
// Start selection mode if needed. We don't need to if we're unchecking something.
if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) {
check(mMultiChoiceModeCallback != null && mMultiChoiceModeCallback!!.hasWrappedCallback()) {
"EasyRecyclerView: attempted to start selection mode " +
"for CHOICE_MODE_MULTIPLE_MODAL but no choice mode callback was " +
"supplied. Call setMultiChoiceModeListener to set a callback."
}
mChoiceActionMode = startActionMode(mMultiChoiceModeCallback)
}
for (i in 0 until mAdapter!!.itemCount) {
val oldValue = mCheckStates!![i]
mCheckStates!!.put(i, true)
@@ -237,15 +198,6 @@ open class EasyRecyclerView : RecyclerView {
if (!oldValue) {
checkedItemCount++
}
if (mChoiceActionMode != null) {
val id = mAdapter!!.getItemId(i)
mMultiChoiceModeCallback!!.onItemCheckedStateChanged(
mChoiceActionMode!!,
i,
id,
true,
)
}
if (mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
val id = mAdapter!!.getItemId(i)
mCustomChoiceListener!!.onItemCheckedStateChanged(this, i, id, true)
@@ -275,17 +227,7 @@ open class EasyRecyclerView : RecyclerView {
// Check is intoCheckMode
check(!(mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM && !isInCustomChoice)) { "Call intoCheckMode first" }
// Start selection mode if needed. We don't need to if we're unchecking something.
if (value && mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && mChoiceActionMode == null) {
check(mMultiChoiceModeCallback != null && mMultiChoiceModeCallback!!.hasWrappedCallback()) {
"EasyRecyclerView: attempted to start selection mode " +
"for CHOICE_MODE_MULTIPLE_MODAL but no choice mode callback was " +
"supplied. Call setMultiChoiceModeListener to set a callback."
}
mChoiceActionMode = startActionMode(mMultiChoiceModeCallback)
}
if (mChoiceMode == CHOICE_MODE_MULTIPLE || mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL || mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
if (mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
val oldValue = mCheckStates!![position]
mCheckStates!!.put(position, value)
if (mCheckedIdStates != null && mAdapter!!.hasStableIds()) {
@@ -302,11 +244,6 @@ open class EasyRecyclerView : RecyclerView {
checkedItemCount--
}
}
if (mChoiceActionMode != null) {
val id = mAdapter!!.getItemId(position)
mMultiChoiceModeCallback!!
.onItemCheckedStateChanged(mChoiceActionMode!!, position, id, value)
}
if (mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
val id = mAdapter!!.getItemId(position)
mCustomChoiceListener!!.onItemCheckedStateChanged(this, position, id, value)
@@ -347,10 +284,6 @@ open class EasyRecyclerView : RecyclerView {
*/
fun setChoiceMode(choiceMode: Int) {
mChoiceMode = choiceMode
if (mChoiceActionMode != null) {
mChoiceActionMode!!.finish()
mChoiceActionMode = null
}
if (mChoiceMode != CHOICE_MODE_NONE) {
if (mCheckStates == null) {
mCheckStates = SparseBooleanArray(0)
@@ -358,11 +291,7 @@ open class EasyRecyclerView : RecyclerView {
if (mCheckedIdStates == null && mAdapter != null && mAdapter!!.hasStableIds()) {
mCheckedIdStates = LongSparseArray(0)
}
// Modal multi-choice mode only has choices when the mode is active. Clear them.
if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL) {
clearChoices()
isLongClickable = true
} else if (mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
if (mChoiceMode == CHOICE_MODE_MULTIPLE_CUSTOM) {
if (mTempCheckStates == null) {
mTempCheckStates = SparseBooleanArray(0)
}
@@ -389,7 +318,7 @@ open class EasyRecyclerView : RecyclerView {
}
}
private fun init(context: Context) {
init {
val scale = context.resources.displayMetrics.density
// g (m/s^2)
// inch/meter
@@ -398,7 +327,7 @@ open class EasyRecyclerView : RecyclerView {
pageScrollThreshold = scale * 80
}
public override fun onSaveInstanceState(): Parcelable? {
override fun onSaveInstanceState(): Parcelable {
val ss = SavedState(super.onSaveInstanceState())
ss.choiceMode = mChoiceMode
ss.customChoice = isInCustomChoice
@@ -408,7 +337,7 @@ open class EasyRecyclerView : RecyclerView {
return ss
}
public override fun onRestoreInstanceState(state: Parcelable) {
override fun onRestoreInstanceState(state: Parcelable) {
val ss = state as SavedState
super.onRestoreInstanceState(ss.superState)
setChoiceMode(ss.choiceMode)
@@ -420,36 +349,9 @@ open class EasyRecyclerView : RecyclerView {
if (ss.checkIdState != null) {
mCheckedIdStates = ss.checkIdState
}
if (mChoiceMode == CHOICE_MODE_MULTIPLE_MODAL && checkedItemCount > 0) {
mChoiceActionMode = startActionMode(mMultiChoiceModeCallback)
}
updateOnScreenCheckedViews()
}
/**
* A MultiChoiceModeListener receives events for [android.widget.AbsListView.CHOICE_MODE_MULTIPLE_MODAL].
* It acts as the [android.view.ActionMode.Callback] for the selection mode and also receives
* [.onItemCheckedStateChanged] events when the user
* selects and deselects list items.
*/
interface MultiChoiceModeListener : ActionMode.Callback {
/**
* Called when an item is checked or unchecked during selection mode.
*
* @param mode The [android.view.ActionMode] providing the selection mode
* @param position Adapter position of the item that was checked or unchecked
* @param id Adapter ID of the item that was checked or unchecked
* @param checked `true` if the item is now checked, `false`
* if the item is now unchecked.
*/
fun onItemCheckedStateChanged(
mode: ActionMode,
position: Int,
id: Long,
checked: Boolean,
)
}
/**
* Custom checked
*/
@@ -554,79 +456,9 @@ open class EasyRecyclerView : RecyclerView {
}
}
inner class MultiChoiceModeWrapper : MultiChoiceModeListener {
private val mWrapped: MultiChoiceModeListener? = null
fun hasWrappedCallback(): Boolean {
return mWrapped != null
}
override fun onCreateActionMode(mode: ActionMode, menu: Menu): Boolean {
if (mWrapped!!.onCreateActionMode(mode, menu)) {
// Initialize checked graphic state?
isLongClickable = false
return true
}
return false
}
override fun onPrepareActionMode(mode: ActionMode, menu: Menu): Boolean {
return mWrapped!!.onPrepareActionMode(mode, menu)
}
override fun onActionItemClicked(mode: ActionMode, item: MenuItem): Boolean {
return mWrapped!!.onActionItemClicked(mode, item)
}
override fun onDestroyActionMode(mode: ActionMode) {
mWrapped!!.onDestroyActionMode(mode)
mChoiceActionMode = null
// Ending selection mode means deselecting everything.
clearChoices()
requestLayout()
isLongClickable = true
}
override fun onItemCheckedStateChanged(
mode: ActionMode,
position: Int,
id: Long,
checked: Boolean,
) {
mWrapped!!.onItemCheckedStateChanged(mode, position, id, checked)
// If there are no items selected we no longer need the selection mode.
if (checkedItemCount == 0) {
mode.finish()
}
}
}
companion object {
/**
* Normal list that does not indicate choices
*/
const val CHOICE_MODE_NONE = 0
/**
* The list allows up to one choice
*/
const val CHOICE_MODE_SINGLE = 1
/**
* The list allows multiple choices
*/
const val CHOICE_MODE_MULTIPLE = 2
/**
* The list allows multiple choices in a modal selection mode
*/
const val CHOICE_MODE_MULTIPLE_MODAL = 3
/**
* The list allows multiple choices in custom action
*/
const val CHOICE_MODE_MULTIPLE_CUSTOM = 4
const val CHOICE_MODE_MULTIPLE_CUSTOM = 1
fun setViewChecked(view: View, checked: Boolean) {
if (view is Checkable) {
(view as Checkable).isChecked = checked