/* * 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.os.Bundle; 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; import android.view.accessibility.AccessibilityNodeInfo; /* * 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. * *

See the Text Fields * guide.

*

* XML attributes *

* 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 defStyleAttr) { this(context, attrs, defStyleAttr, 0); } public EditText(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) { super(context, attrs, defStyleAttr, defStyleRes); } @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); } @Override public CharSequence getAccessibilityClassName() { return EditText.class.getName(); } /** @hide */ @Override public boolean performAccessibilityActionInternal(int action, Bundle arguments) { switch (action) { case AccessibilityNodeInfo.ACTION_SET_TEXT: { CharSequence text = (arguments != null) ? arguments.getCharSequence( AccessibilityNodeInfo.ACTION_ARGUMENT_SET_TEXT_CHARSEQUENCE) : null; setText(text); if (text != null && text.length() > 0) { setSelection(text.length()); } return true; } default: { return super.performAccessibilityActionInternal(action, arguments); } } } }