M7350/base/core/java/android/widget/EditText.java
2024-09-09 08:52:07 +00:00

118 lines
3.3 KiB
Java

/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.widget;
import android.content.Context;
import android.text.Editable;
import android.text.Selection;
import android.text.Spannable;
import android.text.TextUtils;
import android.text.method.ArrowKeyMovementMethod;
import android.text.method.MovementMethod;
import android.util.AttributeSet;
/*
* This is supposed to be a *very* thin veneer over TextView.
* Do not make any changes here that do anything that a TextView
* with a key listener and a movement method wouldn't do!
*/
/**
* EditText is a thin veneer over TextView that configures itself
* to be editable.
*
* <p>See the <a href="{@docRoot}resources/tutorials/views/hello-formstuff.html">Form Stuff
* tutorial</a>.</p>
* <p>
* <b>XML attributes</b>
* <p>
* See {@link android.R.styleable#EditText EditText Attributes},
* {@link android.R.styleable#TextView TextView Attributes},
* {@link android.R.styleable#View View Attributes}
*/
public class EditText extends TextView {
public EditText(Context context) {
this(context, null);
}
public EditText(Context context, AttributeSet attrs) {
this(context, attrs, com.android.internal.R.attr.editTextStyle);
}
public EditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
@Override
protected boolean getDefaultEditable() {
return true;
}
@Override
protected MovementMethod getDefaultMovementMethod() {
return ArrowKeyMovementMethod.getInstance();
}
@Override
public Editable getText() {
return (Editable) super.getText();
}
@Override
public void setText(CharSequence text, BufferType type) {
super.setText(text, BufferType.EDITABLE);
}
/**
* Convenience for {@link Selection#setSelection(Spannable, int, int)}.
*/
public void setSelection(int start, int stop) {
Selection.setSelection(getText(), start, stop);
}
/**
* Convenience for {@link Selection#setSelection(Spannable, int)}.
*/
public void setSelection(int index) {
Selection.setSelection(getText(), index);
}
/**
* Convenience for {@link Selection#selectAll}.
*/
public void selectAll() {
Selection.selectAll(getText());
}
/**
* Convenience for {@link Selection#extendSelection}.
*/
public void extendSelection(int index) {
Selection.extendSelection(getText(), index);
}
@Override
public void setEllipsize(TextUtils.TruncateAt ellipsis) {
if (ellipsis == TextUtils.TruncateAt.MARQUEE) {
throw new IllegalArgumentException("EditText cannot use the ellipsize mode "
+ "TextUtils.TruncateAt.MARQUEE");
}
super.setEllipsize(ellipsis);
}
}