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package com.zeapo.pwdstore.utils;
import android.app.Activity;
import android.graphics.Color;
import android.support.annotation.NonNull;
import android.support.v4.content.ContextCompat;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;
import com.zeapo.pwdstore.R;
import java.util.ArrayList;
import java.util.Set;
import java.util.TreeSet;
public abstract class EntryRecyclerAdapter extends RecyclerView.Adapter<EntryRecyclerAdapter.ViewHolder> {
private final Activity activity;
private final ArrayList<PasswordItem> values;
final Set<Integer> selectedItems = new TreeSet<>();
EntryRecyclerAdapter(Activity activity, ArrayList<PasswordItem> values) {
this.activity = activity;
this.values = values;
}
// Return the size of your dataset (invoked by the layout manager)
@Override
public int getItemCount() {
return values.size();
}
public ArrayList<PasswordItem> getValues() {
return this.values;
}
public void clear() {
this.values.clear();
this.notifyDataSetChanged();
}
public void addAll(ArrayList<PasswordItem> list) {
this.values.addAll(list);
this.notifyDataSetChanged();
}
public void add(PasswordItem item) {
this.values.add(item);
this.notifyItemInserted(getItemCount());
}
void toggleSelection(int position) {
if (!selectedItems.remove(position)) {
selectedItems.add(position);
}
}
// use this after an item is removed to update the positions of items in set
// that followed the removed position
public void updateSelectedItems(int position, Set<Integer> selectedItems) {
Set<Integer> temp = new TreeSet<>();
for (int selected : selectedItems) {
if (selected > position) {
temp.add(selected - 1);
} else {
temp.add(selected);
}
}
selectedItems.clear();
selectedItems.addAll(temp);
}
public void remove(int position) {
this.values.remove(position);
this.notifyItemRemoved(position);
// keep selectedItems updated so we know what to notifyItemChanged
// (instead of just using notifyDataSetChanged)
updateSelectedItems(position, selectedItems);
}
@NonNull
protected View.OnLongClickListener getOnLongClickListener(ViewHolder holder, PasswordItem pass) {
return new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
return false;
}
};
}
// Replace the contents of a view (invoked by the layout manager)
@Override
public void onBindViewHolder(final ViewHolder holder, int position) {
final PasswordItem pass = getValues().get(position);
holder.name.setText(pass.toString());
if (pass.getType() == PasswordItem.TYPE_CATEGORY) {
holder.typeImage.setImageResource(R.drawable.ic_folder_grey600_24dp);
holder.name.setText(pass.toString() + "/");
} else {
holder.typeImage.setImageResource(R.drawable.ic_action_secure);
holder.name.setText(pass.toString());
}
holder.type.setText(pass.getFullPathToParent());
holder.view.setOnClickListener(getOnClickListener(holder, pass));
holder.view.setOnLongClickListener(getOnLongClickListener(holder, pass));
// after removal, everything is rebound for some reason; views are shuffled?
boolean selected = selectedItems.contains(position);
holder.view.setSelected(selected);
if (selected) {
holder.itemView.setBackgroundResource(R.color.deep_orange_200);
holder.type.setTextColor(Color.BLACK);
} else {
holder.itemView.setBackgroundResource(Color.alpha(1));
holder.type.setTextColor(ContextCompat.getColor(activity, R.color.grey_500));
}
}
@NonNull
protected abstract View.OnClickListener getOnClickListener(ViewHolder holder, PasswordItem pass);
// Provide a reference to the views for each data item
// Complex data items may need more than one view per item, and
// you provide access to all the views for a data item in a view holder
static class ViewHolder extends RecyclerView.ViewHolder {
// each data item is just a string in this case
public final View view;
public final TextView name;
final TextView type;
final ImageView typeImage;
ViewHolder(View v) {
super(v);
view = v;
name = (TextView) view.findViewById(R.id.label);
type = (TextView) view.findViewById(R.id.type);
typeImage = (ImageView) view.findViewById(R.id.type_image);
}
}
// Create new views (invoked by the layout manager)
@Override
public PasswordRecyclerAdapter.ViewHolder onCreateViewHolder(ViewGroup parent,
int viewType) {
// create a new view
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.password_row_layout, parent, false);
return new ViewHolder(v);
}
}
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