1 /* 2 * Copyright (C) 2017 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 17 package com.android.car.settings.common; 18 19 import android.support.annotation.Nullable; 20 import android.support.v7.widget.RecyclerView; 21 import android.text.Editable; 22 import android.text.InputType; 23 import android.text.TextWatcher; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.EditText; 28 import android.widget.TextView; 29 30 import com.android.car.settings.R; 31 32 /** 33 * Contains logic for a line item represents text only view of a title and a EditText as input. 34 */ 35 public class EditTextLineItem<VH extends EditTextLineItem.ViewHolder> 36 extends TypedPagedListAdapter.LineItem<VH> { 37 private final CharSequence mTitle; 38 private final CharSequence mInitialInputText; 39 40 public interface TextChangeListener { 41 textChanged(Editable s)42 void textChanged(Editable s); 43 } 44 45 private TextChangeListener mTextChangeListener; 46 private EditText mEditText; 47 protected TextType mTextType = TextType.NONE; 48 49 public enum TextType { 50 // None editable text 51 NONE(0), 52 // text input 53 TEXT(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_NORMAL), 54 // password, input is replaced by dot 55 HIDDEN_PASSWORD(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD), 56 // password, visible. 57 VISIBLE_PASSWORD( 58 InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD); 59 60 private int mValue; 61 TextType(int value)62 TextType(int value) { 63 mValue = value; 64 } 65 getValue()66 public int getValue() { 67 return mValue; 68 } 69 } 70 EditTextLineItem(CharSequence title)71 public EditTextLineItem(CharSequence title) { 72 this(title, null); 73 } 74 EditTextLineItem(CharSequence title, CharSequence initialInputText)75 public EditTextLineItem(CharSequence title, CharSequence initialInputText) { 76 mTitle = title; 77 mInitialInputText = initialInputText; 78 } 79 setTextType(TextType textType)80 public void setTextType(TextType textType) { 81 mTextType = textType; 82 } 83 setTextChangeListener(TextChangeListener listener)84 public void setTextChangeListener(TextChangeListener listener) { 85 mTextChangeListener = listener; 86 } 87 88 @Nullable getInput()89 public String getInput() { 90 return mEditText == null ? null : mEditText.getText().toString(); 91 } 92 93 @Override getType()94 public int getType() { 95 return EDIT_TEXT_TYPE; 96 } 97 98 @Override bindViewHolder(VH viewHolder)99 public void bindViewHolder(VH viewHolder) { 100 viewHolder.titleView.setText(mTitle); 101 mEditText = viewHolder.editText; 102 mEditText.setInputType(mTextType.getValue()); 103 if (mInitialInputText != null) { 104 mEditText.setText(mInitialInputText); 105 } 106 mEditText.addTextChangedListener(new TextWatcher() { 107 @Override 108 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 109 // don't care 110 } 111 112 @Override 113 public void onTextChanged(CharSequence s, int start, int before, int count) { 114 // dont' care 115 } 116 117 @Override 118 public void afterTextChanged(Editable s) { 119 if (mTextChangeListener != null) { 120 mTextChangeListener.textChanged(s); 121 } 122 } 123 }); 124 } 125 126 public static class ViewHolder extends RecyclerView.ViewHolder { 127 public final TextView titleView; 128 public final EditText editText; 129 ViewHolder(View view)130 public ViewHolder(View view) { 131 super(view); 132 titleView = view.findViewById(R.id.title); 133 editText = view.findViewById(R.id.input); 134 } 135 } 136 createViewHolder(ViewGroup parent)137 public static RecyclerView.ViewHolder createViewHolder(ViewGroup parent) { 138 return new ViewHolder(LayoutInflater.from(parent.getContext()) 139 .inflate(R.layout.edit_text_line_item, parent, false)); 140 } 141 142 @Override getDesc()143 public CharSequence getDesc() { 144 return null; 145 } 146 147 @Override isExpandable()148 public boolean isExpandable() { 149 return false; 150 } 151 } 152