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Code Issues Releases Wiki Activity

remove unused code

This commit is contained in:
Austin Huang 2021-07-01 20:05:27 -04:00
parent 6fba483bd0
commit b1f31ab736
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GPG Key ID: 84C23AA04587A91F
1 changed files with 0 additions and 104 deletions
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104
app/src/main/java/awais/instagrabber/adapters/MultiSelectListAdapter.java
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@ -1,104 +0,0 @@
package awais.instagrabber.adapters;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.ListAdapter;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
public abstract class MultiSelectListAdapter<T extends MultiSelectListAdapter.Selectable, VH extends RecyclerView.ViewHolder> extends
ListAdapter<T, VH> {
private boolean isSelecting;
private OnItemClickListener<T> internalOnItemClickListener;
private OnItemLongClickListener<T> internalOnLongItemClickListener;
private final List<T> selectedItems = new ArrayList<>();
protected MultiSelectListAdapter(@NonNull final DiffUtil.ItemCallback<T> diffCallback,
final OnItemClickListener<T> clickListener,
final OnItemLongClickListener<T> longClickListener) {
super(diffCallback);
internalOnItemClickListener = (item, position) -> {
if (isSelecting) {
toggleSelection(item, position);
}
if (clickListener == null) {
return;
}
clickListener.onItemClick(item, position);
};
internalOnLongItemClickListener = (item, position) -> {
if (!isSelecting) {
isSelecting = true;
}
toggleSelection(item, position);
if (longClickListener == null) {
return true;
}
return longClickListener.onItemLongClick(item, position);
};
}
public OnItemClickListener<T> getInternalOnItemClickListener() {
return internalOnItemClickListener;
}
public OnItemLongClickListener<T> getInternalOnLongItemClickListener() {
return internalOnLongItemClickListener;
}
private void toggleSelection(final T item, final int position) {
if (item == null) {
return;
}
if (selectedItems.size() >= 100) {
// Toast.makeText(mainActivity, R.string.downloader_too_many, Toast.LENGTH_SHORT);
return;
}
if (item.isSelected()) {
item.setSelected(false);
selectedItems.remove(item);
} else {
item.setSelected(true);
selectedItems.add(item);
}
if (selectedItems.size() == 0) {
isSelecting = false;
}
notifyItemChanged(position);
}
public boolean isSelecting() {
return isSelecting;
}
public List<T> getSelectedModels() {
return selectedItems;
}
public void clearSelection() {
for (final T item : selectedItems) {
item.setSelected(false);
}
selectedItems.clear();
isSelecting = false;
notifyDataSetChanged();
}
public interface Selectable {
boolean isSelected();
void setSelected(boolean selected);
}
public interface OnItemClickListener<T> {
void onItemClick(T item, int position);
}
public interface OnItemLongClickListener<T> {
boolean onItemLongClick(T item, int position);
}
}