133 lines
3.9 KiB
Java
133 lines
3.9 KiB
Java
package app.fedilab.android.drawers;
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/* Copyright 2017 Thomas Schneider
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*
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* This file is a part of Fedilab
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Fedilab; if not,
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* see <http://www.gnu.org/licenses>. */
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import android.content.Context;
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import androidx.annotation.NonNull;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.Filter;
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import android.widget.Filterable;
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import android.widget.TextView;
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import java.util.ArrayList;
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import java.util.List;
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import app.fedilab.android.R;
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/**
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* Created by Thomas on 09/10/2017.
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* Adapter for tags when searching
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*/
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public class TagsSearchAdapter extends ArrayAdapter<String> implements Filterable {
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private List<String> tags, tempTags, suggestions ;
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private LayoutInflater layoutInflater;
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public TagsSearchAdapter(Context context, List<String> tags){
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super(context, android.R.layout.simple_list_item_1, tags);
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this.tags = tags;
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this.tempTags = new ArrayList<>(tags);
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this.suggestions = new ArrayList<>(tags);
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layoutInflater = LayoutInflater.from(context);
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}
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@Override
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public int getCount() {
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return tags.size();
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}
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@Override
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public String getItem(int position) {
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return tags.get(position);
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}
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@Override
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public long getItemId(int position) {
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return position;
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}
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@NonNull
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@Override
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public View getView(final int position, View convertView, @NonNull ViewGroup parent) {
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final String tag = tags.get(position);
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final ViewHolder holder;
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if (convertView == null) {
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convertView = layoutInflater.inflate(R.layout.drawer_tag_search, parent, false);
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holder = new ViewHolder();
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holder.tag_name = convertView.findViewById(R.id.tag_name);
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convertView.setTag(holder);
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} else {
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holder = (ViewHolder) convertView.getTag();
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}
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holder.tag_name.setText(String.format("#%s", tag));
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return convertView;
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}
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@NonNull
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@Override
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public Filter getFilter() {
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return searchFilter;
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}
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private Filter searchFilter = new Filter() {
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@Override
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public CharSequence convertResultToString(Object resultValue) {
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String tag = (String) resultValue;
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return "#" + tag;
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}
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@Override
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protected FilterResults performFiltering(CharSequence constraint) {
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if (constraint != null) {
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suggestions.clear();
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suggestions.addAll(tempTags);
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FilterResults filterResults = new FilterResults();
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filterResults.values = suggestions;
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filterResults.count = suggestions.size();
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return filterResults;
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} else {
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return new FilterResults();
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}
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}
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@Override
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protected void publishResults(CharSequence constraint, FilterResults results) {
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ArrayList<String> c = (ArrayList<String>) results.values;
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if (results.count > 0) {
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clear();
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addAll(c);
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notifyDataSetChanged();
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} else{
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clear();
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notifyDataSetChanged();
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}
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}
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};
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private class ViewHolder {
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TextView tag_name;
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}
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} |