Update list badges
parent
c2079ebca5
commit
15f37644c0
GPG Key ID:
676DEE768C17A9D7
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package org.koitharu.kotatsu.core.ui.widgets
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import android.content.Context
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import android.os.Parcel
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import android.os.Parcelable
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import android.os.Parcelable.Creator
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import android.util.AttributeSet
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import androidx.core.content.withStyledAttributes
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import androidx.customview.view.AbsSavedState
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import com.google.android.material.shape.MaterialShapeDrawable
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import com.google.android.material.shape.ShapeAppearanceModel
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import com.google.android.material.textview.MaterialTextView
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import org.koitharu.kotatsu.R
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class BadgeView @JvmOverloads constructor(
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context: Context,
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attrs: AttributeSet? = null
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) : MaterialTextView(context, attrs, R.attr.badgeViewStyle) {
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private var maxCharacterCount = Int.MAX_VALUE
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var number: Int = 0
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set(value) {
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field = value
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updateText()
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}
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init {
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context.withStyledAttributes(attrs, R.styleable.BadgeView) {
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maxCharacterCount = getInt(R.styleable.BadgeView_maxCharacterCount, maxCharacterCount)
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number = getInt(R.styleable.BadgeView_number, number)
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val shape = ShapeAppearanceModel.builder(
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context,
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getResourceId(R.styleable.BadgeView_shapeAppearance, 0),
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0,
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).build()
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background = MaterialShapeDrawable(shape).also { bg ->
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bg.fillColor = getColorStateList(R.styleable.BadgeView_backgroundColor)
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}
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}
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}
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override fun onSaveInstanceState(): Parcelable? {
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val superState = super.onSaveInstanceState() ?: return null
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return SavedState(superState, number)
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}
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override fun onRestoreInstanceState(state: Parcelable?) {
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if (state is SavedState) {
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super.onRestoreInstanceState(state.superState)
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number = state.number
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} else {
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super.onRestoreInstanceState(state)
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}
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}
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private fun updateText() {
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if (number <= 0) {
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text = null
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return
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}
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val numberString = number.toString()
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text = if (numberString.length > maxCharacterCount) {
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buildString(maxCharacterCount) {
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repeat(maxCharacterCount - 1) { append('9') }
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append('+')
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}
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} else {
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numberString
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}
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}
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private class SavedState : AbsSavedState {
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val number: Int
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constructor(superState: Parcelable, number: Int) : super(superState) {
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this.number = number
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}
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constructor(source: Parcel, classLoader: ClassLoader?) : super(source, classLoader) {
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number = source.readInt()
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}
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override fun writeToParcel(out: Parcel, flags: Int) {
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super.writeToParcel(out, flags)
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out.writeInt(number)
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}
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companion object {
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@Suppress("unused")
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@JvmField
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val CREATOR: Creator<SavedState> = object : Creator<SavedState> {
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override fun createFromParcel(`in`: Parcel) = SavedState(`in`, SavedState::class.java.classLoader)
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override fun newArray(size: Int): Array<SavedState?> = arrayOfNulls(size)
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}
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}
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}
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}
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