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      1 /*
      2  * Copyright (C) 2015 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.AlertDialog;
     22 import android.app.Dialog;
     23 import android.content.Context;
     24 import android.content.DialogInterface;
     25 import android.os.Bundle;
     26 import android.support.annotation.CallSuper;
     27 import android.support.v14.preference.EditTextPreferenceDialogFragment;
     28 import android.support.v7.preference.EditTextPreference;
     29 import android.util.AttributeSet;
     30 import android.view.View;
     31 import android.widget.EditText;
     32 
     33 public class CustomEditTextPreference extends EditTextPreference {
     34 
     35     private CustomPreferenceDialogFragment mFragment;
     36 
     37     public CustomEditTextPreference(Context context, AttributeSet attrs, int defStyleAttr,
     38             int defStyleRes) {
     39         super(context, attrs, defStyleAttr, defStyleRes);
     40     }
     41 
     42     public CustomEditTextPreference(Context context, AttributeSet attrs, int defStyleAttr) {
     43         super(context, attrs, defStyleAttr);
     44     }
     45 
     46     public CustomEditTextPreference(Context context, AttributeSet attrs) {
     47         super(context, attrs);
     48     }
     49 
     50     public CustomEditTextPreference(Context context) {
     51         super(context);
     52     }
     53 
     54     public EditText getEditText() {
     55         if (mFragment != null) {
     56             final Dialog dialog = mFragment.getDialog();
     57             if (dialog != null) {
     58                 return (EditText) dialog.findViewById(android.R.id.edit);
     59             }
     60         }
     61         return null;
     62     }
     63 
     64     public boolean isDialogOpen() {
     65         return getDialog() != null && getDialog().isShowing();
     66     }
     67 
     68     public Dialog getDialog() {
     69         return mFragment != null ? mFragment.getDialog() : null;
     70     }
     71 
     72     protected void onPrepareDialogBuilder(AlertDialog.Builder builder,
     73             DialogInterface.OnClickListener listener) {
     74     }
     75 
     76     protected void onDialogClosed(boolean positiveResult) {
     77     }
     78 
     79     protected void onClick(DialogInterface dialog, int which) {
     80     }
     81 
     82     @CallSuper
     83     protected void onBindDialogView(View view) {
     84         final EditText editText = view.findViewById(android.R.id.edit);
     85         if (editText != null) {
     86             editText.setInputType(TYPE_CLASS_TEXT | TYPE_TEXT_FLAG_CAP_SENTENCES);
     87             editText.requestFocus();
     88         }
     89     }
     90 
     91     private void setFragment(CustomPreferenceDialogFragment fragment) {
     92         mFragment = fragment;
     93     }
     94 
     95     public static class CustomPreferenceDialogFragment extends EditTextPreferenceDialogFragment {
     96 
     97         public static CustomPreferenceDialogFragment newInstance(String key) {
     98             final CustomPreferenceDialogFragment fragment = new CustomPreferenceDialogFragment();
     99             final Bundle b = new Bundle(1);
    100             b.putString(ARG_KEY, key);
    101             fragment.setArguments(b);
    102             return fragment;
    103         }
    104 
    105         private CustomEditTextPreference getCustomizablePreference() {
    106             return (CustomEditTextPreference) getPreference();
    107         }
    108 
    109         @Override
    110         protected void onBindDialogView(View view) {
    111             super.onBindDialogView(view);
    112             getCustomizablePreference().onBindDialogView(view);
    113         }
    114 
    115         @Override
    116         protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
    117             super.onPrepareDialogBuilder(builder);
    118             getCustomizablePreference().setFragment(this);
    119             getCustomizablePreference().onPrepareDialogBuilder(builder, this);
    120         }
    121 
    122         @Override
    123         public void onDialogClosed(boolean positiveResult) {
    124             super.onDialogClosed(positiveResult);
    125             getCustomizablePreference().onDialogClosed(positiveResult);
    126         }
    127 
    128         @Override
    129         public void onClick(DialogInterface dialog, int which) {
    130             super.onClick(dialog, which);
    131             getCustomizablePreference().onClick(dialog, which);
    132         }
    133     }
    134 }
    135