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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.accessibility;
import android.content.Context;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import androidx.annotation.DrawableRes;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import com.android.settings.R;
import java.util.List;
/**
* An {@link ArrayAdapter} to fill the information of {@link ItemInfo} in the item view. The item
* view must have textview to set the title.
*
* @param <T> the type of elements in the array, inherited from {@link ItemInfo}.
*/
public class ItemInfoArrayAdapter<T extends ItemInfoArrayAdapter.ItemInfo> extends ArrayAdapter<T> {
public ItemInfoArrayAdapter(@NonNull Context context, @NonNull List<T> items) {
super(context, R.layout.dialog_single_radio_choice_list_item, R.id.title, items);
}
@NonNull
@Override
public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {
final View root = super.getView(position, convertView, parent);
final ItemInfo item = getItem(position);
final TextView title = root.findViewById(R.id.title);
title.setText(item.mTitle);
final TextView summary = root.findViewById(R.id.summary);
if (!TextUtils.isEmpty(item.mSummary)) {
summary.setVisibility(View.VISIBLE);
summary.setText(item.mSummary);
} else {
summary.setVisibility(View.GONE);
}
final ImageView image = root.findViewById(R.id.image);
image.setImageResource(item.mDrawableId);
if (getContext().getResources().getConfiguration().getLayoutDirection()
== View.LAYOUT_DIRECTION_LTR) {
image.setScaleType(ImageView.ScaleType.FIT_START);
} else {
image.setScaleType(ImageView.ScaleType.FIT_END);
}
return root;
}
/**
* Presents a data structure shown in the item view.
*/
public static class ItemInfo {
@NonNull
public final CharSequence mTitle;
@Nullable
public final CharSequence mSummary;
@DrawableRes
public final int mDrawableId;
public ItemInfo(@NonNull CharSequence title, @Nullable CharSequence summary,
@DrawableRes int drawableId) {
mTitle = title;
mSummary = summary;
mDrawableId = drawableId;
}
}
}
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