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      1 /*
      2  * Copyright (C) 2018 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.android.settingslib;
     17 
     18 import static android.text.InputType.TYPE_CLASS_TEXT;
     19 import static android.text.InputType.TYPE_TEXT_FLAG_CAP_SENTENCES;
     20 
     21 import android.app.Dialog;
     22 import android.content.Context;
     23 import android.content.DialogInterface;
     24 import android.os.Bundle;
     25 import android.util.AttributeSet;
     26 import android.view.View;
     27 import android.widget.EditText;
     28 
     29 import androidx.annotation.CallSuper;
     30 import androidx.appcompat.app.AlertDialog;
     31 import androidx.preference.EditTextPreference;
     32 import androidx.preference.EditTextPreferenceDialogFragmentCompat;
     33 
     34 public class CustomEditTextPreferenceCompat extends EditTextPreference {
     35 
     36     private CustomPreferenceDialogFragment mFragment;
     37 
     38     public CustomEditTextPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr,
     39             int defStyleRes) {
     40         super(context, attrs, defStyleAttr, defStyleRes);
     41     }
     42 
     43     public CustomEditTextPreferenceCompat(Context context, AttributeSet attrs, int defStyleAttr) {
     44         super(context, attrs, defStyleAttr);
     45     }
     46 
     47     public CustomEditTextPreferenceCompat(Context context, AttributeSet attrs) {
     48         super(context, attrs);
     49     }
     50 
     51     public CustomEditTextPreferenceCompat(Context context) {
     52         super(context);
     53     }
     54 
     55     public EditText getEditText() {
     56         if (mFragment != null) {
     57             final Dialog dialog = mFragment.getDialog();
     58             if (dialog != null) {
     59                 return (EditText) dialog.findViewById(android.R.id.edit);
     60             }
     61         }
     62         return null;
     63     }
     64 
     65     public boolean isDialogOpen() {
     66         return getDialog() != null && getDialog().isShowing();
     67     }
     68 
     69     public Dialog getDialog() {
     70         return mFragment != null ? mFragment.getDialog() : null;
     71     }
     72 
     73     protected void onPrepareDialogBuilder(AlertDialog.Builder builder,
     74             DialogInterface.OnClickListener listener) {
     75     }
     76 
     77     protected void onDialogClosed(boolean positiveResult) {
     78     }
     79 
     80     protected void onClick(DialogInterface dialog, int which) {
     81     }
     82 
     83     @CallSuper
     84     protected void onBindDialogView(View view) {
     85         final EditText editText = view.findViewById(android.R.id.edit);
     86         if (editText != null) {
     87             editText.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_FLAG_CAP_SENTENCES);
     88             editText.requestFocus();
     89         }
     90     }
     91 
     92     private void setFragment(CustomPreferenceDialogFragment fragment) {
     93         mFragment = fragment;
     94     }
     95 
     96     public static class CustomPreferenceDialogFragment extends
     97             EditTextPreferenceDialogFragmentCompat {
     98 
     99         public static CustomPreferenceDialogFragment newInstance(String key) {
    100             final CustomPreferenceDialogFragment fragment = new CustomPreferenceDialogFragment();
    101             final Bundle b = new Bundle(1);
    102             b.putString(ARG_KEY, key);
    103             fragment.setArguments(b);
    104             return fragment;
    105         }
    106 
    107         private CustomEditTextPreferenceCompat getCustomizablePreference() {
    108             return (CustomEditTextPreferenceCompat) getPreference();
    109         }
    110 
    111         @Override
    112         protected void onBindDialogView(View view) {
    113             super.onBindDialogView(view);
    114             getCustomizablePreference().onBindDialogView(view);
    115         }
    116 
    117         @Override
    118         protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
    119             super.onPrepareDialogBuilder(builder);
    120             getCustomizablePreference().setFragment(this);
    121             getCustomizablePreference().onPrepareDialogBuilder(builder, this);
    122         }
    123 
    124         @Override
    125         public void onDialogClosed(boolean positiveResult) {
    126             super.onDialogClosed(positiveResult);
    127             getCustomizablePreference().onDialogClosed(positiveResult);
    128         }
    129 
    130         @Override
    131         public void onClick(DialogInterface dialog, int which) {
    132             super.onClick(dialog, which);
    133             getCustomizablePreference().onClick(dialog, which);
    134         }
    135     }
    136 }
    137