1 /* 2 * Copyright (C) 2006 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 android.widget; 18 19 import android.content.Context; 20 import android.text.Editable; 21 import android.text.Selection; 22 import android.text.Spannable; 23 import android.text.TextUtils; 24 import android.text.method.ArrowKeyMovementMethod; 25 import android.text.method.MovementMethod; 26 import android.util.AttributeSet; 27 import android.view.accessibility.AccessibilityEvent; 28 import android.view.accessibility.AccessibilityNodeInfo; 29 30 31 /* 32 * This is supposed to be a *very* thin veneer over TextView. 33 * Do not make any changes here that do anything that a TextView 34 * with a key listener and a movement method wouldn't do! 35 */ 36 37 /** 38 * EditText is a thin veneer over TextView that configures itself 39 * to be editable. 40 * 41 * <p>See the <a href="{@docRoot}guide/topics/ui/controls/text.html">Text Fields</a> 42 * guide.</p> 43 * <p> 44 * <b>XML attributes</b> 45 * <p> 46 * See {@link android.R.styleable#EditText EditText Attributes}, 47 * {@link android.R.styleable#TextView TextView Attributes}, 48 * {@link android.R.styleable#View View Attributes} 49 */ 50 public class EditText extends TextView { EditText(Context context)51 public EditText(Context context) { 52 this(context, null); 53 } 54 EditText(Context context, AttributeSet attrs)55 public EditText(Context context, AttributeSet attrs) { 56 this(context, attrs, com.android.internal.R.attr.editTextStyle); 57 } 58 EditText(Context context, AttributeSet attrs, int defStyle)59 public EditText(Context context, AttributeSet attrs, int defStyle) { 60 super(context, attrs, defStyle); 61 } 62 63 @Override getDefaultEditable()64 protected boolean getDefaultEditable() { 65 return true; 66 } 67 68 @Override getDefaultMovementMethod()69 protected MovementMethod getDefaultMovementMethod() { 70 return ArrowKeyMovementMethod.getInstance(); 71 } 72 73 @Override getText()74 public Editable getText() { 75 return (Editable) super.getText(); 76 } 77 78 @Override setText(CharSequence text, BufferType type)79 public void setText(CharSequence text, BufferType type) { 80 super.setText(text, BufferType.EDITABLE); 81 } 82 83 /** 84 * Convenience for {@link Selection#setSelection(Spannable, int, int)}. 85 */ setSelection(int start, int stop)86 public void setSelection(int start, int stop) { 87 Selection.setSelection(getText(), start, stop); 88 } 89 90 /** 91 * Convenience for {@link Selection#setSelection(Spannable, int)}. 92 */ setSelection(int index)93 public void setSelection(int index) { 94 Selection.setSelection(getText(), index); 95 } 96 97 /** 98 * Convenience for {@link Selection#selectAll}. 99 */ selectAll()100 public void selectAll() { 101 Selection.selectAll(getText()); 102 } 103 104 /** 105 * Convenience for {@link Selection#extendSelection}. 106 */ extendSelection(int index)107 public void extendSelection(int index) { 108 Selection.extendSelection(getText(), index); 109 } 110 111 @Override setEllipsize(TextUtils.TruncateAt ellipsis)112 public void setEllipsize(TextUtils.TruncateAt ellipsis) { 113 if (ellipsis == TextUtils.TruncateAt.MARQUEE) { 114 throw new IllegalArgumentException("EditText cannot use the ellipsize mode " 115 + "TextUtils.TruncateAt.MARQUEE"); 116 } 117 super.setEllipsize(ellipsis); 118 } 119 120 @Override onInitializeAccessibilityEvent(AccessibilityEvent event)121 public void onInitializeAccessibilityEvent(AccessibilityEvent event) { 122 super.onInitializeAccessibilityEvent(event); 123 event.setClassName(EditText.class.getName()); 124 } 125 126 @Override onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info)127 public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) { 128 super.onInitializeAccessibilityNodeInfo(info); 129 info.setClassName(EditText.class.getName()); 130 } 131 } 132