1 /* 2 * Copyright 2012 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.notificationstudio.editor; 18 19 import android.text.Editable; 20 import android.text.InputType; 21 import android.text.TextWatcher; 22 import android.view.View; 23 import android.widget.EditText; 24 25 import com.android.notificationstudio.R; 26 import com.android.notificationstudio.editor.Editors.Editor; 27 import com.android.notificationstudio.model.EditableItem; 28 29 public class TextEditor implements Editor { 30 bindEditor(View v, final EditableItem item, final Runnable afterChange)31 public Runnable bindEditor(View v, final EditableItem item, final Runnable afterChange) { 32 final EditText textEditor = (EditText) v.findViewById(R.id.text_editor); 33 textEditor.setVisibility(View.VISIBLE); 34 textEditor.setInputType(getInputType()); 35 Runnable updateEditText = new Runnable() { 36 public void run() { 37 textEditor.setText(item.getValue() == null ? "" : item.getValue().toString()); 38 }}; 39 if (item.hasValue()) 40 updateEditText.run(); 41 textEditor.addTextChangedListener(new TextWatcher() { 42 public void afterTextChanged(Editable s) { 43 Object newVal = parseValue(s.length() == 0 ? null : s.toString()); 44 if (equal(newVal, item.getValue())) 45 return; 46 item.setValue(newVal); 47 afterChange.run(); 48 } 49 50 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 51 // noop 52 } 53 54 public void onTextChanged(CharSequence s, int start, int before, int count) { 55 // noop 56 } 57 }); 58 return updateEditText; 59 } 60 getInputType()61 protected int getInputType() { 62 return InputType.TYPE_CLASS_TEXT; 63 } 64 parseValue(String str)65 protected Object parseValue(String str) { 66 return str; 67 } 68 equal(Object a, Object b)69 private static boolean equal(Object a, Object b) { 70 return a == b || (a != null && a.equals(b)); 71 } 72 73 }