diff --git a/Readme.md b/Readme.md new file mode 100644 index 000000000..764c17703 --- /dev/null +++ b/Readme.md @@ -0,0 +1 @@ +// dev branch for Y.Practicum 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..be257071a --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/BaseListDiffCallback.java @@ -0,0 +1,25 @@ +package ru.yandex.practicum.contacts.presentation.base; + +import androidx.annotation.NonNull; +import androidx.annotation.Nullable; +import androidx.recyclerview.widget.DiffUtil; + +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 + @Override + public Object getChangePayload(@NonNull T oldItem, @NonNull T newItem) { + return newItem; + + } +} \ No newline at end of file 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..702f753a4 --- /dev/null +++ b/app/src/main/java/ru/yandex/practicum/contacts/presentation/base/ListDiffInterface.java @@ -0,0 +1,6 @@ +package ru.yandex.practicum.contacts.presentation.base; + +public interface ListDiffInterface { + boolean theSameAs(T t); + boolean equals(Object o); +} \ No newline at end of file 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..ca61e1654 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 @@ -5,11 +5,11 @@ import android.view.ViewGroup; import androidx.annotation.NonNull; -import androidx.annotation.Nullable; + import androidx.recyclerview.widget.AdapterListUpdateCallback; import androidx.recyclerview.widget.AsyncDifferConfig; import androidx.recyclerview.widget.AsyncListDiffer; -import androidx.recyclerview.widget.DiffUtil; + import androidx.recyclerview.widget.RecyclerView; import java.util.List; @@ -17,6 +17,7 @@ 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.filter.model.FilterContactType; import ru.yandex.practicum.contacts.presentation.filter.model.FilterContactTypeUi; import ru.yandex.practicum.contacts.utils.model.ContactTypeUtils; @@ -26,7 +27,7 @@ public class FilterContactTypeAdapter extends RecyclerView.Adapter differ = new AsyncListDiffer<>( new AdapterListUpdateCallback(this), - new AsyncDifferConfig.Builder<>(new ListDiffCallback()).build() + new AsyncDifferConfig.Builder<>(new BaseListDiffCallback()).build() ); private final Consumer clickListener; @@ -86,22 +87,5 @@ 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..66045787f 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; @@ -20,6 +22,11 @@ public boolean isSelected() { return selected; } + @Override + public boolean theSameAs(FilterContactTypeUi t) { + return this.getContactType() == t.getContactType(); + } + @Override public boolean equals(Object o) { if (this == o) return true; 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..1170c6266 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 @@ -8,12 +8,12 @@ import android.view.ViewGroup; import androidx.annotation.NonNull; -import androidx.annotation.Nullable; + import androidx.core.content.ContextCompat; import androidx.recyclerview.widget.AdapterListUpdateCallback; import androidx.recyclerview.widget.AsyncDifferConfig; import androidx.recyclerview.widget.AsyncListDiffer; -import androidx.recyclerview.widget.DiffUtil; + import androidx.recyclerview.widget.RecyclerView; import com.bumptech.glide.Glide; @@ -23,12 +23,13 @@ import ru.yandex.practicum.contacts.R; import ru.yandex.practicum.contacts.databinding.ItemContactBinding; +import ru.yandex.practicum.contacts.presentation.base.BaseListDiffCallback; 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 +94,5 @@ 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..fb2ec16c6 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; @@ -41,6 +42,11 @@ public List getTypes() { return types; } + @Override + public boolean theSameAs(ContactUi t) { + return this.hashCode() == t.hashCode(); + } + @Override public boolean equals(Object o) { if (this == o) return true; @@ -62,4 +68,5 @@ public int hashCode() { result = 31 * result + types.hashCode(); return result; } + } 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..5863646e8 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 @@ -5,11 +5,11 @@ import android.view.ViewGroup; import androidx.annotation.NonNull; -import androidx.annotation.Nullable; + import androidx.recyclerview.widget.AdapterListUpdateCallback; import androidx.recyclerview.widget.AsyncDifferConfig; import androidx.recyclerview.widget.AsyncListDiffer; -import androidx.recyclerview.widget.DiffUtil; + import androidx.recyclerview.widget.RecyclerView; import java.util.List; @@ -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; @@ -89,22 +90,5 @@ 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..cd59a2cf5 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; @@ -22,6 +23,11 @@ public boolean isSelected() { return selected; } + @Override + public boolean theSameAs(SortTypeUI t) { + return this.getSortType() == t.getSortType(); + } + @Override public boolean equals(Object o) { if (this == o) return true; @@ -39,4 +45,5 @@ public int hashCode() { result = 31 * result + (selected ? 1 : 0); return result; } + }