Merge pull request #259 from TouchInstinct/new_filters_list
Фильтры: Выбор одного/нескольких из доступных значений списка
This commit is contained in:
Grigorii
GitHub
commit
0650ba73a8
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/build
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# Описание
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Модуль содержит реализацию следующих типов фильтров:
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1. Выбор одного из доступных значений списка
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2. Выбор нескольких доступных значений из списка
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3. <em>добавить остальные по ходу реализаации</em>
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# Использование
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## Выбор одного/нескольких из доступных значений списка
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### Как использовать
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``` kotlin
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val selectorView = ListSelectionView<DefaultSelectionItem, SelectionItemViewHolder<DefaultSelectionItem>>(context)
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.Builder()
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.setItems(navArgs.items)
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.addItemDecoration((TopDividerItemDecoration(
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context = requireContext(),
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drawableId = R.drawable.list_divider_1dp,
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startMargin = START_MARGIN_DIVIDER_DP.px
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)))
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.withSelectionType(ListSelectionView.SelectionType.SINGLE_SELECT)
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.onResultListener { items ->
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viewModel.dispatchAction(SelectItemAction.SelectItem(items))
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}
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.build()
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```
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### Конфигурации
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* при создании `ListSelectionView<ItemType, HolderType>` необходимо передлать `ItemType` - класс модели данных в списке, `HolderType` - класс viewHolder-а в recyclerView.
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Для использования дефолтной реализации необходимо использовать типы `<DefaultSelectionItem, SelectionItemViewHolder<DefaultSelectionItem>>`
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* в метод `setItems(List<ItemType>)` необходимо передать список объектов
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* метод `addItemDecoration(itemDecoration: RecyclerView.ItemDecoration)` можно использовать для передачи объекта `RecyclerView.ItemDecoration`
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* метод `withSelectionType(type: SelectionType)` используется для указания типа выбора:
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* `SINGLE_SELECT` - <em>по умолчанию</em> - позволяет выбрать один выариант, при этом будет выбран всегда как минимум один вариант
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* `MULTI_SELECT` - позволяет выбрать несколько вариантов из списка, при этом можно полностью выбрать все варианты и убрать выделение со всех вариантов
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* метод `showInHolder(HolderFactoryType<ItemType>)` используется для определения кастомного viewHolder для списка с недефолтной разметкой.
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``` kotlin
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val selectorView = ListSelectionView<TestSelectionItem, TestItemViewHolder>(context)
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.Builder()
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.showInHolder { parent, clickListener, selectionType ->
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TestItemViewHolder(
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binding = TestSelectionItemBinding.inflate(LayoutInflater.from(parent.context), parent, false),
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onItemSelectAction = clickListener,
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selectionType = selectionType
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)
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}
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...
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.build()
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```
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* колбэк `onSelectedItemsListener(listener: OnSelectedItemsListener<ItemType>)` можно использовать для получения списка всех элементов `ItemType` после каждого выбора
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* колбэк `onSelectedItemListener(listener: OnSelectedItemListener<ItemType>)` можно использовать для получения элемента списка `ItemType`, по которому произошел клик
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* после вызова конфигурационных методов обязательно необходимо вызать метод `build()`
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### Кастомизация стиля дефолтной реализации ViewHolder без необходимости создания кастомного layout и viewHolder
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#### 1. Определить кастомную тему и стили элементов
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1. Стиль для **текста элемента списка** должен быть наследником стиля `Widget.FilterSelection.Item`
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``` xml
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<style name="Widget.Custom.FilterSelection.Item" parent="@style/Widget.FilterSelection.Item">
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<item name="android:textAppearance">@style/Text15sp.Regular.Black</item>
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<item name="android:paddingTop">2dp</item>
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<item name="android:lineSpacingExtra">3sp</item>
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<item name="android:translationY">-1.71sp</item>
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</style>
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```
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2. Стиль для **индикатора выбора** должен быть наследником стиля `Widget.FilterSelection.Radio`
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Передайте `selector-drawable` для кастомизации вида индикатора в конце строки
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``` xml
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<style name="Widget.Custom.FilterSelection.Radio" parent="@style/Widget.FilterSelection.Radio">
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<item name="android:button">@drawable/selector_checkbox</item>
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</style>
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```
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3. Создайте **тему**, которая должна быть наследником `Theme.FilterSelection`
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``` xml
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<style name="Theme.Custom.FilterSelection" parent="@style/Theme.FilterSelection">
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<item name="sheetSelection_itemStyle">@style/Widget.Custom.FilterSelection.Item</item>
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<item name="sheetSelection_radioStyle">@style/Widget.Custom.FilterSelection.Radio</item>
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</style>
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```
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#### 2. Применить тему при создании view
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При создании вью в коде можно указать тему, используя `ContextThemeWrapper`
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``` kotlin
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val newContext = ContextThemeWrapper(requireContext(), R.style.Theme_Custom_FilterSelection)
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val selectorView = ListSelectionView(newContext)
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.Builder()
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...
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.build()
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```
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apply from: "../android-configs/lib-config.gradle"
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apply plugin: 'kotlin-parcelize'
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android {
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buildFeatures {
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viewBinding true
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}
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}
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dependencies {
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implementation project(":utils")
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implementation project(":recyclerview-adapters")
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implementation project(":navigation-base")
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implementation project(":kotlin-extensions")
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implementation("org.jetbrains.kotlin:kotlin-stdlib")
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implementation("androidx.core:core-ktx")
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implementation("androidx.appcompat:appcompat")
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implementation("com.google.android.material:material")
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implementation("androidx.constraintlayout:constraintlayout") {
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version {
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require '2.0.0'
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}
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}
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constraints {
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implementation("androidx.appcompat:appcompat") {
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version {
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require '1.0.0'
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}
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}
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implementation("androidx.core:core-ktx") {
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version {
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require '1.0.0'
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}
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}
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}
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}
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<manifest
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package="ru.touchin.roboswag.base_filters"/>
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package ru.touchin.roboswag.base_filters.select_list_item
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import android.content.Context
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import android.util.AttributeSet
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import android.view.ContextThemeWrapper
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import android.view.LayoutInflater
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import android.view.ViewGroup
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import android.view.ViewGroup.LayoutParams.MATCH_PARENT
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import android.view.ViewGroup.LayoutParams.WRAP_CONTENT
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import androidx.annotation.StyleRes
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
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import ru.touchin.roboswag.base_filters.databinding.SelectionItemBinding
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import ru.touchin.roboswag.base_filters.select_list_item.adapter.BaseSelectionViewHolder
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import ru.touchin.roboswag.base_filters.select_list_item.adapter.HolderFactoryType
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import ru.touchin.roboswag.base_filters.select_list_item.adapter.SelectionItemViewHolder
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import ru.touchin.roboswag.base_filters.select_list_item.adapter.SheetSelectionAdapter
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import ru.touchin.roboswag.base_filters.select_list_item.model.BaseSelectionItem
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private typealias OnSelectedItemListener<ItemType> = (item: ItemType) -> Unit
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private typealias OnSelectedItemsListener<ItemType> = (items: List<ItemType>) -> Unit
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/**
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* Base [ListSelectionView] to use in filters screen for choosing single or multi items in list.
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*
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* @param ItemType Type of model's element in list.
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* It must implement [BaseSelectionItem] abstract class.
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*
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* @param HolderType Type of viewHolder in recyclerView.
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* It must extend [BaseSelectionViewHolder] abstract class.
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*
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**/
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class ListSelectionView<ItemType, HolderType> @JvmOverloads constructor(
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context: Context,
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attrs: AttributeSet? = null,
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defStyleAttr: Int = 0
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) : RecyclerView(context, attrs, defStyleAttr)
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where ItemType : BaseSelectionItem,
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HolderType : BaseSelectionViewHolder<ItemType> {
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enum class SelectionType { SINGLE_SELECT, MULTI_SELECT }
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constructor(context: Context, @StyleRes themeResId: Int) : this(ContextThemeWrapper(context, themeResId))
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private var mutableItems: List<ItemType> = emptyList()
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private var selectionType = SelectionType.SINGLE_SELECT
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private var onSelectedItemChanged: OnSelectedItemListener<ItemType>? = null
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private var onSelectedItemsChanged: OnSelectedItemsListener<ItemType>? = null
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private var factory: HolderFactoryType<ItemType> = getDefaultFactory()
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init {
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layoutParams = ViewGroup.LayoutParams(MATCH_PARENT, WRAP_CONTENT)
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layoutManager = LinearLayoutManager(context)
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}
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private fun getDefaultFactory(): HolderFactoryType<ItemType> = { parent, clickListener, selectionType ->
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SelectionItemViewHolder(
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binding = SelectionItemBinding.inflate(LayoutInflater.from(parent.context), parent, false),
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onItemSelectAction = clickListener,
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selectionType = selectionType
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)
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}
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private val selectionAdapter by lazy {
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SheetSelectionAdapter(
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onItemSelectAction = onItemSelectedListener,
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selectionType = selectionType,
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factory = factory
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)
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}
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private val onItemSelectedListener: (item: ItemType) -> Unit = { item ->
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onSelectedItemChanged?.invoke(item)
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updateAfterSelection(item)
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onSelectedItemsChanged?.invoke(mutableItems)
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}
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fun updateItems(items: List<ItemType>) {
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mutableItems = items
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updateList()
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}
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private fun updateList() {
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selectionAdapter.submitList(mutableItems)
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}
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private fun updateAfterSelection(selectedItem: ItemType) {
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mutableItems = mutableItems.map { item ->
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when {
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item.isItemTheSame(selectedItem) -> selectedItem
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selectionType == SelectionType.SINGLE_SELECT -> item.copyWithSelection(isSelected = false)
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else -> item
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}
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}
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updateList()
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}
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inner class Builder {
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fun setItems(items: List<ItemType>) = apply {
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mutableItems = items
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}
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fun <T> setItems(
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source: List<T>,
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mapper: (T) -> ItemType
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) = setItems(source.map { item -> mapper.invoke(item) })
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fun showInHolder(holderFactory: HolderFactoryType<ItemType>) = apply {
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factory = holderFactory
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}
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fun addItemDecoration(itemDecoration: RecyclerView.ItemDecoration) = apply {
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this@ListSelectionView.addItemDecoration(itemDecoration)
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}
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fun onSelectedItemListener(listener: OnSelectedItemListener<ItemType>) = apply {
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this@ListSelectionView.onSelectedItemChanged = listener
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}
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fun onSelectedItemsListener(listener: OnSelectedItemsListener<ItemType>) = apply {
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this@ListSelectionView.onSelectedItemsChanged = listener
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}
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fun withSelectionType(type: SelectionType) = apply {
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selectionType = type
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}
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fun build() = this@ListSelectionView.also {
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it.adapter = selectionAdapter
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updateList()
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}
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}
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}
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@ -0,0 +1,11 @@
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package ru.touchin.roboswag.base_filters.select_list_item.adapter
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import android.view.View
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import androidx.recyclerview.widget.RecyclerView
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import ru.touchin.roboswag.base_filters.select_list_item.model.BaseSelectionItem
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abstract class BaseSelectionViewHolder<ItemType : BaseSelectionItem>(val view: View)
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: RecyclerView.ViewHolder(view) {
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abstract fun bind(item: ItemType)
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}
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package ru.touchin.roboswag.base_filters.select_list_item.adapter
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import android.view.View
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import ru.touchin.roboswag.base_filters.databinding.SelectionItemBinding
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import ru.touchin.roboswag.base_filters.select_list_item.ListSelectionView
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import ru.touchin.roboswag.base_filters.select_list_item.model.BaseSelectionItem
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class SelectionItemViewHolder<ItemType : BaseSelectionItem>(
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private val binding: SelectionItemBinding,
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private val onItemSelectAction: (ItemType) -> Unit,
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private val selectionType: ListSelectionView.SelectionType
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) : BaseSelectionViewHolder<ItemType>(binding.root) {
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override fun bind(item: ItemType) {
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binding.itemTitle.text = item.title
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binding.itemRadiobutton.isChecked = item.isSelected
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setupCheckListener(item)
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}
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private fun setupCheckListener(item: ItemType) = with(binding) {
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val checkListener = View.OnClickListener {
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itemRadiobutton.isChecked = true
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onItemSelectAction.invoke(item.copyWithSelection(isSelected = when (selectionType) {
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ListSelectionView.SelectionType.SINGLE_SELECT -> true
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else -> !item.isSelected
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}))
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}
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root.setOnClickListener(checkListener)
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itemRadiobutton.setOnClickListener(checkListener)
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}
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}
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@ -0,0 +1,30 @@
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package ru.touchin.roboswag.base_filters.select_list_item.adapter
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import androidx.recyclerview.widget.DiffUtil
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import ru.touchin.roboswag.base_filters.select_list_item.ListSelectionView
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import ru.touchin.roboswag.base_filters.select_list_item.model.BaseSelectionItem
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import ru.touchin.roboswag.recyclerview_adapters.adapters.DelegationListAdapter
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class SheetSelectionAdapter<ItemType : BaseSelectionItem>(
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onItemSelectAction: (ItemType) -> Unit,
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selectionType: ListSelectionView.SelectionType,
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factory: HolderFactoryType<ItemType>
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) : DelegationListAdapter<BaseSelectionItem>(object : DiffUtil.ItemCallback<BaseSelectionItem>() {
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|
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override fun areItemsTheSame(oldItem: BaseSelectionItem, newItem: BaseSelectionItem): Boolean =
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oldItem.isItemTheSame(newItem)
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|
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override fun areContentsTheSame(oldItem: BaseSelectionItem, newItem: BaseSelectionItem): Boolean =
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oldItem.isContentTheSame(newItem)
|
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|
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}) {
|
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|
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init {
|
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addDelegate(SheetSelectionDelegate(
|
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onItemSelectAction = onItemSelectAction,
|
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selectionType = selectionType,
|
||||||
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factory = factory
|
||||||
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))
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||||||
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}
|
||||||
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|
||||||
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}
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@ -0,0 +1,28 @@
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package ru.touchin.roboswag.base_filters.select_list_item.adapter
|
||||||
|
|
||||||
|
import android.view.ViewGroup
|
||||||
|
import ru.touchin.roboswag.base_filters.select_list_item.ListSelectionView.SelectionType
|
||||||
|
import ru.touchin.roboswag.base_filters.select_list_item.model.BaseSelectionItem
|
||||||
|
import ru.touchin.roboswag.recyclerview_adapters.adapters.ItemAdapterDelegate
|
||||||
|
|
||||||
|
typealias HolderFactoryType<ItemType> = (ViewGroup, (ItemType) -> Unit, SelectionType) -> BaseSelectionViewHolder<ItemType>
|
||||||
|
|
||||||
|
class SheetSelectionDelegate<ItemType>(
|
||||||
|
private val onItemSelectAction: (ItemType) -> Unit,
|
||||||
|
private val selectionType: SelectionType,
|
||||||
|
private val factory: HolderFactoryType<ItemType>
|
||||||
|
) : ItemAdapterDelegate<BaseSelectionViewHolder<ItemType>, ItemType>()
|
||||||
|
where ItemType : BaseSelectionItem {
|
||||||
|
|
||||||
|
override fun onCreateViewHolder(parent: ViewGroup): BaseSelectionViewHolder<ItemType> =
|
||||||
|
factory.invoke(parent, onItemSelectAction, selectionType)
|
||||||
|
|
||||||
|
override fun onBindViewHolder(
|
||||||
|
holder: BaseSelectionViewHolder<ItemType>,
|
||||||
|
item: ItemType,
|
||||||
|
adapterPosition: Int,
|
||||||
|
collectionPosition: Int,
|
||||||
|
payloads: MutableList<Any>
|
||||||
|
) = holder.bind(item)
|
||||||
|
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,14 @@
|
||||||
|
package ru.touchin.roboswag.base_filters.select_list_item.model
|
||||||
|
|
||||||
|
abstract class BaseSelectionItem(
|
||||||
|
open val id: Int,
|
||||||
|
open val title: String,
|
||||||
|
open val isSelected: Boolean
|
||||||
|
) {
|
||||||
|
|
||||||
|
abstract fun isItemTheSame(compareItem: BaseSelectionItem): Boolean
|
||||||
|
|
||||||
|
abstract fun isContentTheSame(compareItem: BaseSelectionItem): Boolean
|
||||||
|
|
||||||
|
abstract fun <ItemType> copyWithSelection(isSelected: Boolean): ItemType
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,24 @@
|
||||||
|
package ru.touchin.roboswag.base_filters.select_list_item.model
|
||||||
|
|
||||||
|
import android.os.Parcelable
|
||||||
|
import kotlinx.parcelize.Parcelize
|
||||||
|
|
||||||
|
@Parcelize
|
||||||
|
data class DefaultSelectionItem(
|
||||||
|
override val id: Int,
|
||||||
|
override val title: String,
|
||||||
|
override val isSelected: Boolean = false
|
||||||
|
) : BaseSelectionItem(id, title, isSelected), Parcelable {
|
||||||
|
|
||||||
|
override fun isItemTheSame(compareItem: BaseSelectionItem): Boolean = when {
|
||||||
|
compareItem is DefaultSelectionItem && id == compareItem.id -> true
|
||||||
|
else -> false
|
||||||
|
}
|
||||||
|
|
||||||
|
override fun isContentTheSame(compareItem: BaseSelectionItem): Boolean =
|
||||||
|
this == compareItem
|
||||||
|
|
||||||
|
@Suppress("UNCHECKED_CAST")
|
||||||
|
override fun <ItemType> copyWithSelection(isSelected: Boolean): ItemType =
|
||||||
|
this.copy(isSelected = isSelected) as ItemType
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,29 @@
|
||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<androidx.constraintlayout.widget.ConstraintLayout
|
||||||
|
xmlns:android="http://schemas.android.com/apk/res/android"
|
||||||
|
xmlns:app="http://schemas.android.com/apk/res-auto"
|
||||||
|
xmlns:tools="http://schemas.android.com/tools"
|
||||||
|
android:layout_width="match_parent"
|
||||||
|
android:layout_height="wrap_content">
|
||||||
|
|
||||||
|
<TextView
|
||||||
|
android:id="@+id/item_title"
|
||||||
|
style="?attr/sheetSelection_itemStyle"
|
||||||
|
android:layout_width="0dp"
|
||||||
|
android:layout_height="wrap_content"
|
||||||
|
app:layout_constraintTop_toTopOf="parent"
|
||||||
|
app:layout_constraintEnd_toStartOf="@id/item_radiobutton"
|
||||||
|
app:layout_constraintStart_toStartOf="parent"
|
||||||
|
app:layout_constraintBottom_toBottomOf="parent"
|
||||||
|
tools:text="Заголовок" />
|
||||||
|
|
||||||
|
<androidx.appcompat.widget.AppCompatRadioButton
|
||||||
|
android:id="@+id/item_radiobutton"
|
||||||
|
style="?attr/sheetSelection_radioStyle"
|
||||||
|
android:layout_width="22dp"
|
||||||
|
android:layout_height="22dp"
|
||||||
|
android:checked="true"
|
||||||
|
app:layout_constraintEnd_toEndOf="parent"
|
||||||
|
app:layout_constraintTop_toTopOf="parent" />
|
||||||
|
|
||||||
|
</androidx.constraintlayout.widget.ConstraintLayout>
|
||||||
|
|
@ -0,0 +1,9 @@
|
||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<resources>
|
||||||
|
|
||||||
|
<declare-styleable name="FilterSelection">
|
||||||
|
<attr name="sheetSelection_itemStyle" format="reference" />
|
||||||
|
<attr name="sheetSelection_radioStyle" format="reference" />
|
||||||
|
</declare-styleable>
|
||||||
|
|
||||||
|
</resources>
|
||||||
|
|
@ -0,0 +1,18 @@
|
||||||
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<resources>
|
||||||
|
|
||||||
|
<style name="Theme.FilterSelection" parent="@style/Theme.MaterialComponents.Light.BottomSheetDialog">
|
||||||
|
<item name="sheetSelection_itemStyle">@style/Widget.FilterSelection.Item</item>
|
||||||
|
<item name="sheetSelection_radioStyle">@style/Widget.FilterSelection.Radio</item>
|
||||||
|
</style>
|
||||||
|
|
||||||
|
<style name="Widget.FilterSelection.Item" parent="@style/Widget.MaterialComponents.TextView">
|
||||||
|
<item name="android:layout_margin">16dp</item>
|
||||||
|
</style>
|
||||||
|
|
||||||
|
<style name="Widget.FilterSelection.Radio" parent="@style/Widget.MaterialComponents.CompoundButton.RadioButton">
|
||||||
|
<item name="android:layout_marginTop">16dp</item>
|
||||||
|
<item name="android:layout_marginEnd">16dp</item>
|
||||||
|
</style>
|
||||||
|
|
||||||
|
</resources>
|
||||||
Loading…
Reference in New Issue