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@hrules6872
hrules6872 / ComposeStore.kt
Last active February 22, 2023 09:49
Redux implementation for Kotlin :)
private val LocalStore: ProvidableCompositionLocal<Store<*>> = compositionLocalOf { error("Store not provided") }
@Composable
fun <STATE : State> StoreProvider(store: Store<STATE>, content: @Composable Store<STATE>.() -> Unit) {
CompositionLocalProvider(LocalStore provides store) {
store.content()
}
}
@Composable
@hrules6872
hrules6872 / WindowInsetsFrameLayout.kt
Created December 2, 2019 10:03
A fragment container enabling the use of android:fitsSystemWindows in fragment layouts
class WindowInsetsFrameLayout @JvmOverloads constructor(
context: Context,
attrs: AttributeSet? = null,
defStyleAttr: Int = 0
) : FrameLayout(context, attrs, defStyleAttr) {
init {
setOnHierarchyChangeListener(object : OnHierarchyChangeListener {
override fun onChildViewAdded(
parent: View,
@hrules6872
hrules6872 / LineView.kt
Last active December 10, 2019 20:48
Dash/LineView custom view for Android
class LineView @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
) : View(context, attrs, defStyleAttr) {
companion object {
const val ORIENTATION_VERTICAL = 0
const val ORIENTATION_HORIZONTAL = 1
private const val DEFAULT_ORIENTATION = ORIENTATION_HORIZONTAL
@hrules6872
hrules6872 / KotlinDsl.kt
Last active December 10, 2019 20:49
Kotlin DSL example
@DslMarker
annotation class HorizontalSelectorGroups
interface HorizontalSelectorHelper {
fun groups(block: GroupsBuilder.() -> Unit): List<Pair<Header, List<Item>>> = GroupsBuilder().apply(block).build()
@HorizontalSelectorGroups
class GroupsBuilder {
private val groups = mutableListOf<Group>()
@hrules6872
hrules6872 / StickyHeaderItemDecoration.kt
Last active September 11, 2019 14:15
ItemDecorator for sticky headers in Kotlin
import android.graphics.*
import android.view.*
import android.view.MotionEvent.ACTION_DOWN
import androidx.recyclerview.widget.RecyclerView
class StickyHeaderItemDecoration(
parent: RecyclerView,
private val isHeader: (position: Int) -> Boolean
) : RecyclerView.ItemDecoration() {
@hrules6872
hrules6872 / delete-darktable-rejected.sh
Created August 18, 2019 12:46
Delete all Darktable rejected and low-rated pictures
#!/bin/sh
if [ -z "$1" ]; then
echo Delete all Darktable rejected pictures
echo
echo "Usage:"
echo $0 [source] --onestar to delete also all pictures with one star rating
exit 1
fi
@hrules6872
hrules6872 / ClazzesExt.kt
Last active August 12, 2019 19:29
Reduce two (Data) Classes in Kotlin
inline infix fun <reified T : Any> T?.reduce(other: T?): T? = when {
this == null && other == null -> null
this != null && other == null -> this
this == null && other != null -> other
else -> {
val nameToProperty = T::class.declaredMemberProperties.associateBy { property -> property.name }
val primaryConstructor = T::class.primaryConstructor!!
val args = primaryConstructor.parameters.associate { parameter ->
val property = nameToProperty[parameter.name]!!