1 /* 2 * Copyright (C) 2010 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.contacts.interactions; 17 18 import com.android.contacts.R; 19 20 import android.app.AlertDialog; 21 import android.app.Dialog; 22 import android.app.DialogFragment; 23 import android.content.DialogInterface; 24 import android.content.DialogInterface.OnShowListener; 25 import android.os.Bundle; 26 import android.text.Editable; 27 import android.text.TextUtils; 28 import android.text.TextWatcher; 29 import android.view.LayoutInflater; 30 import android.view.View; 31 import android.view.WindowManager; 32 import android.widget.Button; 33 import android.widget.EditText; 34 35 /** 36 * A common superclass for creating and renaming groups. 37 */ 38 public abstract class GroupNameDialogFragment extends DialogFragment { getTitleResourceId()39 protected abstract int getTitleResourceId(); initializeGroupLabelEditText(EditText editText)40 protected abstract void initializeGroupLabelEditText(EditText editText); onCompleted(String groupLabel)41 protected abstract void onCompleted(String groupLabel); 42 43 @Override onCreateDialog(Bundle savedInstanceState)44 public Dialog onCreateDialog(Bundle savedInstanceState) { 45 final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 46 final LayoutInflater layoutInflater = LayoutInflater.from(builder.getContext()); 47 final View view = layoutInflater.inflate(R.layout.group_name_dialog, null); 48 final EditText editText = (EditText) view.findViewById(R.id.group_label); 49 initializeGroupLabelEditText(editText); 50 51 builder.setTitle(getTitleResourceId()); 52 builder.setView(view); 53 editText.requestFocus(); 54 builder.setPositiveButton(android.R.string.ok, 55 new DialogInterface.OnClickListener() { 56 @Override 57 public void onClick(DialogInterface dialogInterface, int whichButton) { 58 onCompleted(editText.getText().toString().trim()); 59 } 60 } 61 ); 62 63 builder.setNegativeButton(android.R.string.cancel, null); 64 final AlertDialog dialog = builder.create(); 65 66 dialog.setOnShowListener(new OnShowListener() { 67 @Override 68 public void onShow(DialogInterface dialogInterface) { 69 updateOkButtonState(dialog, editText); 70 } 71 }); 72 editText.addTextChangedListener(new TextWatcher() { 73 @Override 74 public void onTextChanged(CharSequence s, int start, int before, int count) { 75 } 76 77 @Override 78 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 79 } 80 81 @Override 82 public void afterTextChanged(Editable s) { 83 updateOkButtonState(dialog, editText); 84 } 85 }); 86 dialog.getWindow().setSoftInputMode( 87 WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); 88 return dialog; 89 } 90 updateOkButtonState(AlertDialog dialog, EditText editText)91 /* package */ void updateOkButtonState(AlertDialog dialog, EditText editText) { 92 final Button okButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE); 93 okButton.setEnabled(!TextUtils.isEmpty(editText.getText().toString().trim())); 94 } 95 } 96