From 443ecafa4675bdd4a9b21638610866ed6ce903ee Mon Sep 17 00:00:00 2001 From: Maxim NN Date: Tue, 3 Feb 2026 03:25:28 +0300 Subject: [PATCH] da --- .../base/BaseListDiffCallback.java | 28 +++++++++++++++++++ .../presentation/base/ListDiffInterface.java | 8 ++++++ .../filter/FilterContactTypeAdapter.java | 27 ++++-------------- .../filter/model/FilterContactTypeUi.java | 9 +++++- .../presentation/main/ContactAdapter.java | 22 ++------------- .../contacts/presentation/main/ContactUi.java | 8 +++++- .../presentation/sort/SortTypeAdapter.java | 22 ++------------- .../presentation/sort/SortTypeUI.java | 8 +++++- 8 files changed, 69 insertions(+), 63 deletions(-) create mode 100644 app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java create mode 100644 app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java new file mode 100644 index 000000000..16f809b2a --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java @@ -0,0 +1,28 @@ +package ru.yandex.practicum.contacts.presentation.base; + +import androidx.annotation.NonNull; +import androidx.annotation.Nullable; +import androidx.recyclerview.widget.DiffUtil; + +import ru.yandex.practicum.contacts.presentation.main.ContactUi; + +public class BaseListDiffCallback> extends DiffUtil.ItemCallback { + + + @Override + public boolean areItemsTheSame(@NonNull T oldItem, @NonNull T newItem) { + return oldItem.theSameAs(newItem); + } + + @Override + public boolean areContentsTheSame(@NonNull T oldItem, @NonNull T newItem) { + return oldItem.equals(newItem); + } + + @Nullable + public Object getChangePayload(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { + return newItem; + } +} + + diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java new file mode 100644 index 000000000..02c12e706 --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java @@ -0,0 +1,8 @@ +package ru.yandex.practicum.contacts.presentation.base; + +public interface ListDiffInterface{ + @Override + boolean equals(Object obj); + boolean theSameAs(T other); + +} diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java index 4203bc297..015f3e277 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/FilterContactTypeAdapter.java @@ -17,6 +17,8 @@ import ru.yandex.practicum.contacts.databinding.ItemFilterBinding; import ru.yandex.practicum.contacts.model.ContactType; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; import ru.yandex.practicum.contacts.presentation.filter.model.FilterContactType; import ru.yandex.practicum.contacts.presentation.filter.model.FilterContactTypeUi; import ru.yandex.practicum.contacts.utils.model.ContactTypeUtils; @@ -24,9 +26,10 @@ public class FilterContactTypeAdapter extends RecyclerView.Adapter { + private final AsyncListDiffer differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); private final Consumer clickListener; @@ -57,6 +60,7 @@ public void setItems(List items) { differ.submitList(items); } + static class ViewHolder extends RecyclerView.ViewHolder { private final ItemFilterBinding binding; @@ -75,7 +79,7 @@ public void bind(FilterContactTypeUi data) { final int sortResId = FilterContactTypeUtils.getStringRes(data.getContactType()); binding.text.setText(sortResId); binding.selected.setChecked(data.isSelected()); - if (data.getContactType() == FilterContactType.ALL){ + if (data.getContactType() == FilterContactType.ALL) { binding.logo.setVisibility(View.GONE); } else { final ContactType contactType = FilterContactTypeUtils.toContactType(data.getContactType()); @@ -85,23 +89,4 @@ public void bind(FilterContactTypeUi data) { } } } - - static class ListDiffCallback extends DiffUtil.ItemCallback { - - @Override - public boolean areItemsTheSame(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return oldItem.getContactType() == newItem.getContactType(); - } - - @Override - public boolean areContentsTheSame(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull FilterContactTypeUi oldItem, @NonNull FilterContactTypeUi newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java index fbb187fdf..967c859be 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/filter/model/FilterContactTypeUi.java @@ -2,7 +2,9 @@ import androidx.annotation.NonNull; -public class FilterContactTypeUi { +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; + +public class FilterContactTypeUi implements ListDiffInterface { private final FilterContactType contactType; private final boolean selected; @@ -37,4 +39,9 @@ public int hashCode() { result = 31 * result + (selected ? 1 : 0); return result; } + + @Override + public boolean theSameAs(FilterContactTypeUi other) { + return this.getContactType()==other.getContactType(); + } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java index 9c2317248..de776a733 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactAdapter.java @@ -23,12 +23,14 @@ import ru.yandex.practicum.contacts.R; import ru.yandex.practicum.contacts.databinding.ItemContactBinding; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; public class ContactAdapter extends RecyclerView.Adapter { private final AsyncListDiffer differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); @NonNull @@ -93,22 +95,4 @@ private void loadAvatar(ContactUi contact) { } } - static class ListDiffCallback extends DiffUtil.ItemCallback { - - @Override - public boolean areItemsTheSame(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return oldItem.hashCode() == newItem.hashCode(); - } - - @Override - public boolean areContentsTheSame(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull ContactUi oldItem, @NonNull ContactUi newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java index 4b2f216e8..e29c4d581 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/main/ContactUi.java @@ -5,8 +5,9 @@ import java.util.List; import ru.yandex.practicum.contacts.model.ContactType; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; -public class ContactUi { +public class ContactUi implements ListDiffInterface { private final String name; private final String phone; @@ -62,4 +63,9 @@ public int hashCode() { result = 31 * result + types.hashCode(); return result; } + + public boolean theSameAs(ContactUi other){ + return this.hashCode() == other.hashCode(); + } + } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java index fde5f59c8..2797a9fe0 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeAdapter.java @@ -17,13 +17,14 @@ import ru.yandex.practicum.contacts.R; import ru.yandex.practicum.contacts.databinding.ItemSortBinding; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; import ru.yandex.practicum.contacts.presentation.sort.model.SortType; public class SortTypeAdapter extends RecyclerView.Adapter { private final AsyncListDiffer differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); private final Consumer clickListener; @@ -88,23 +89,4 @@ private int resource(SortType sortType) { } } } - - static class ListDiffCallback extends DiffUtil.ItemCallback { - - @Override - public boolean areItemsTheSame(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return oldItem.getSortType() == newItem.getSortType(); - } - - @Override - public boolean areContentsTheSame(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return oldItem.equals(newItem); - } - - @Nullable - @Override - public Object getChangePayload(@NonNull SortTypeUI oldItem, @NonNull SortTypeUI newItem) { - return newItem; - } - } } diff --git a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java index eb71f27cd..cc60c1048 100644 --- a/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/sort/SortTypeUI.java @@ -2,9 +2,10 @@ import androidx.annotation.NonNull; +import ru.yandex.practicum.contacts.presentation.base.ListDiffInterface; import ru.yandex.practicum.contacts.presentation.sort.model.SortType; -public class SortTypeUI { +public class SortTypeUI implements ListDiffInterface { private final SortType sortType; private final boolean selected; @@ -33,6 +34,11 @@ public boolean equals(Object o) { return sortType == that.sortType; } + @Override + public boolean theSameAs(SortTypeUI other) { + return this.getSortType()==other.getSortType(); + } + @Override public int hashCode() { int result = sortType.hashCode();