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/*
* Copyright (C) 2015 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.messaging.ui.appsettings;
import android.content.Context;
import android.preference.EditTextPreference;
import android.support.v4.text.BidiFormatter;
import android.support.v4.text.TextDirectionHeuristicsCompat;
import android.text.InputType;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.view.View;
import com.android.messaging.R;
import com.android.messaging.util.PhoneUtils;
/**
* Preference that displays a phone number and allows editing via a dialog.
* <p>
* A default number can be assigned, which is shown in the preference view and
* used to populate the dialog editor when the preference value is not set. If
* the user sets the preference to a number equivalent to the default, the
* underlying preference is cleared.
*/
public class PhoneNumberPreference extends EditTextPreference {
private String mDefaultPhoneNumber;
private int mSubId;
public PhoneNumberPreference(final Context context, final AttributeSet attrs) {
super(context, attrs);
mDefaultPhoneNumber = "";
}
public void setDefaultPhoneNumber(final String phoneNumber, final int subscriptionId) {
mDefaultPhoneNumber = phoneNumber;
mSubId = subscriptionId;
}
@Override
protected void onBindView(final View view) {
// Show the preference value if it's set, or the default number if not.
// If we don't have a default, fall back to a static string (e.g. Unknown).
String value = getText();
if (TextUtils.isEmpty(value)) {
value = mDefaultPhoneNumber;
}
final String displayValue = (!TextUtils.isEmpty(value))
? PhoneUtils.get(mSubId).formatForDisplay(value)
: getContext().getString(R.string.unknown_phone_number_pref_display_value);
final BidiFormatter bidiFormatter = BidiFormatter.getInstance();
final String phoneNumber = bidiFormatter.unicodeWrap
(displayValue, TextDirectionHeuristicsCompat.LTR);
// Set the value as the summary and let the superclass populate the views
setSummary(phoneNumber);
super.onBindView(view);
}
@Override
protected void onBindDialogView(final View view) {
super.onBindDialogView(view);
final String value = getText();
// If the preference is empty, populate the EditText with the default number instead.
if (TextUtils.isEmpty(value) && !TextUtils.isEmpty(mDefaultPhoneNumber)) {
final BidiFormatter bidiFormatter = BidiFormatter.getInstance();
final String phoneNumber = bidiFormatter.unicodeWrap
(PhoneUtils.get(mSubId).getCanonicalBySystemLocale(mDefaultPhoneNumber),
TextDirectionHeuristicsCompat.LTR);
getEditText().setText(phoneNumber);
}
getEditText().setInputType(InputType.TYPE_CLASS_PHONE);
}
@Override
protected void onDialogClosed(final boolean positiveResult) {
if (positiveResult && mDefaultPhoneNumber != null) {
final String value = getEditText().getText().toString();
final PhoneUtils phoneUtils = PhoneUtils.get(mSubId);
final String phoneNumber = phoneUtils.getCanonicalBySystemLocale(value);
final String defaultPhoneNumber = phoneUtils.getCanonicalBySystemLocale(
mDefaultPhoneNumber);
// If the new value is the default, clear the preference.
if (phoneNumber.equals(defaultPhoneNumber)) {
setText("");
return;
}
}
super.onDialogClosed(positiveResult);
}
@Override
public void setText(final String text) {
super.setText(text);
// EditTextPreference doesn't show the value on the preference view, but we do.
// We thus need to force a rebind of the view when a new value is set.
notifyChanged();
}
}
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