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package it.niedermann.nextcloud.deck.ui.filter;
import android.content.res.ColorStateList;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.content.ContextCompat;
import androidx.recyclerview.widget.RecyclerView;
import java.util.ArrayList;
import java.util.List;
import it.niedermann.nextcloud.deck.R;
import it.niedermann.nextcloud.deck.databinding.ItemFilterLabelBinding;
import it.niedermann.nextcloud.deck.model.Label;
import it.niedermann.nextcloud.deck.util.ColorUtil;
@SuppressWarnings("WeakerAccess")
public class FilterLabelsAdapter extends RecyclerView.Adapter<FilterLabelsAdapter.LabelViewHolder> {
@NonNull
private final List<Label> labels = new ArrayList<>();
@NonNull
private final List<Label> selectedLabels = new ArrayList<>();
@Nullable
private static final Label NOT_ASSIGNED = null;
@Nullable
private final SelectionListener<Label> selectionListener;
public FilterLabelsAdapter(@NonNull List<Label> labels, @NonNull List<Label> selectedLabels, boolean noAssignedLabel, @Nullable SelectionListener<Label> selectionListener) {
super();
this.labels.add(NOT_ASSIGNED);
this.labels.addAll(labels);
if (noAssignedLabel) {
this.selectedLabels.add(NOT_ASSIGNED);
}
this.selectedLabels.addAll(selectedLabels);
this.selectionListener = selectionListener;
setHasStableIds(true);
notifyDataSetChanged();
}
@Override
public long getItemId(int position) {
@Nullable final Label label = labels.get(position);
return label == null ? -1L : label.getLocalId();
}
@NonNull
@Override
public LabelViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
return new LabelViewHolder(ItemFilterLabelBinding.inflate(LayoutInflater.from(parent.getContext()), parent, false));
}
@Override
public void onBindViewHolder(@NonNull LabelViewHolder viewHolder, int position) {
if (position == 0) {
viewHolder.bindNotAssigned();
} else {
viewHolder.bind(labels.get(position));
}
}
@Override
public int getItemCount() {
return labels.size();
}
class LabelViewHolder extends RecyclerView.ViewHolder {
private ItemFilterLabelBinding binding;
LabelViewHolder(@NonNull ItemFilterLabelBinding binding) {
super(binding.getRoot());
this.binding = binding;
}
void bind(final Label label) {
binding.label.setText(label.getTitle());
final int labelColor = label.getColor();
binding.label.setChipBackgroundColor(ColorStateList.valueOf(labelColor));
final int color = ColorUtil.getForegroundColorForBackgroundColor(labelColor);
binding.label.setTextColor(color);
itemView.setSelected(selectedLabels.contains(label));
bindClickListener(label);
}
public void bindNotAssigned() {
binding.label.setText(itemView.getContext().getString(R.string.no_assigned_label));
binding.label.setTextColor(ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.accent)));
binding.label.setChipIcon(ContextCompat.getDrawable(itemView.getContext(), R.drawable.ic_baseline_block_24));
binding.label.setChipBackgroundColor(ColorStateList.valueOf(ContextCompat.getColor(itemView.getContext(), R.color.primary)));
binding.label.setRippleColor(null);
itemView.setSelected(selectedLabels.contains(NOT_ASSIGNED));
bindClickListener(NOT_ASSIGNED);
}
private void bindClickListener(@Nullable Label label) {
itemView.setOnClickListener(view -> {
if (selectedLabels.contains(label)) {
selectedLabels.remove(label);
itemView.setSelected(false);
if (selectionListener != null) {
selectionListener.onItemDeselected(label);
}
} else {
selectedLabels.add(label);
itemView.setSelected(true);
if (selectionListener != null) {
selectionListener.onItemSelected(label);
}
}
});
}
}
}
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