/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.widget;
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import android.content.Context;
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import android.text.TextUtils;
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import android.util.AttributeSet;
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import android.view.View;
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import android.widget.TextView;
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import androidx.core.content.res.TypedArrayUtils;
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import androidx.preference.CheckBoxPreference;
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import androidx.preference.PreferenceViewHolder;
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import com.android.settings.R;
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/**
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* Check box preference with check box replaced by radio button.
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*
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* Functionally speaking, it's actually a CheckBoxPreference. We only modified
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* the widget to RadioButton to make it "look like" a RadioButtonPreference.
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*
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* In other words, there's no "RadioButtonPreferenceGroup" in this
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* implementation. When you check one RadioButtonPreference, if you want to
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* uncheck all the other preferences, you should do that by code yourself.
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*/
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public class RadioButtonPreference extends CheckBoxPreference {
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public interface OnClickListener {
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void onRadioButtonClicked(RadioButtonPreference emiter);
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}
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private OnClickListener mListener = null;
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private View appendix;
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private int appendixVisibility = -1;
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public RadioButtonPreference(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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setWidgetLayoutResource(R.layout.preference_widget_radiobutton);
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setLayoutResource(R.layout.preference_radio);
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setIconSpaceReserved(false);
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}
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public RadioButtonPreference(Context context, AttributeSet attrs) {
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this(context, attrs, TypedArrayUtils.getAttr(context,
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androidx.preference.R.attr.preferenceStyle,
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android.R.attr.preferenceStyle));
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}
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public RadioButtonPreference(Context context) {
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this(context, null);
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}
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public void setOnClickListener(OnClickListener listener) {
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mListener = listener;
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}
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@Override
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public void onClick() {
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if (mListener != null) {
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mListener.onRadioButtonClicked(this);
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}
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}
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@Override
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public void onBindViewHolder(PreferenceViewHolder view) {
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super.onBindViewHolder(view);
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View summaryContainer = view.findViewById(R.id.summary_container);
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if (summaryContainer != null) {
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summaryContainer.setVisibility(
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TextUtils.isEmpty(getSummary()) ? View.GONE : View.VISIBLE);
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appendix = view.findViewById(R.id.appendix);
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if (appendix != null && appendixVisibility != -1) {
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appendix.setVisibility(appendixVisibility);
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}
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}
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TextView title = (TextView) view.findViewById(android.R.id.title);
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if (title != null) {
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title.setSingleLine(false);
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title.setMaxLines(3);
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}
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}
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public void setAppendixVisibility(int visibility) {
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if (appendix != null) {
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appendix.setVisibility(visibility);
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}
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appendixVisibility = visibility;
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}
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}
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