1 /*
2  * Copyright (C) 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.settings;
18 
19 import android.content.Context;
20 import android.text.TextUtils;
21 import android.util.AttributeSet;
22 import android.view.View;
23 import android.widget.EditText;
24 
25 public class SelectableEditTextPreference extends CustomEditTextPreference {
26 
27     private int mSelectionMode;
28 
29     public static final int SELECTION_CURSOR_END   = 0;
30     public static final int SELECTION_CURSOR_START = 1;
31     public static final int SELECTION_SELECT_ALL   = 2;
32 
SelectableEditTextPreference(Context context, AttributeSet attrs)33     public SelectableEditTextPreference(Context context, AttributeSet attrs) {
34         super(context, attrs);
35     }
36 
37     /**
38      * Sets the selection mode for the text when it shows up in the dialog
39      * @hide
40      * @param selectionMode can be SELECTION_CURSOR_START, SELECTION_CURSOR_END or
41      * SELECTION_SELECT_ALL. Default is SELECTION_CURSOR_END
42      */
setInitialSelectionMode(int selectionMode)43     public void setInitialSelectionMode(int selectionMode) {
44         mSelectionMode = selectionMode;
45     }
46 
47     @Override
onBindDialogView(View view)48     protected void onBindDialogView(View view) {
49         super.onBindDialogView(view);
50 
51         EditText editText = getEditText();
52         // Set the selection based on the mSelectionMode
53         int length = editText.getText() != null ? editText.getText().length() : 0;
54         if (!TextUtils.isEmpty(editText.getText())) {
55             switch (mSelectionMode) {
56             case SELECTION_CURSOR_END:
57                 editText.setSelection(length);
58                 break;
59             case SELECTION_CURSOR_START:
60                 editText.setSelection(0);
61                 break;
62             case SELECTION_SELECT_ALL:
63                 editText.setSelection(0, length);
64                 break;
65             }
66         }
67     }
68 }
69 
70