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      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.preference.EditTextPreference;
     21 import android.preference.ListPreference;
     22 import android.text.TextUtils;
     23 import android.util.AttributeSet;
     24 import android.view.View;
     25 import android.widget.EditText;
     26 
     27 public class SelectableEditTextPreference extends EditTextPreference {
     28 
     29     private int mSelectionMode;
     30 
     31     public static final int SELECTION_CURSOR_END   = 0;
     32     public static final int SELECTION_CURSOR_START = 1;
     33     public static final int SELECTION_SELECT_ALL   = 2;
     34 
     35     public SelectableEditTextPreference(Context context, AttributeSet attrs) {
     36         super(context, attrs);
     37     }
     38 
     39     /**
     40      * Sets the selection mode for the text when it shows up in the dialog
     41      * @hide
     42      * @param selectionMode can be SELECTION_CURSOR_START, SELECTION_CURSOR_END or
     43      * SELECTION_SELECT_ALL. Default is SELECTION_CURSOR_END
     44      */
     45     public void setInitialSelectionMode(int selectionMode) {
     46         mSelectionMode = selectionMode;
     47     }
     48 
     49     @Override
     50     protected void onBindDialogView(View view) {
     51         super.onBindDialogView(view);
     52 
     53         EditText editText = getEditText();
     54         // Set the selection based on the mSelectionMode
     55         int length = editText.getText() != null ? editText.getText().length() : 0;
     56         if (!TextUtils.isEmpty(editText.getText())) {
     57             switch (mSelectionMode) {
     58             case SELECTION_CURSOR_END:
     59                 editText.setSelection(length);
     60                 break;
     61             case SELECTION_CURSOR_START:
     62                 editText.setSelection(0);
     63                 break;
     64             case SELECTION_SELECT_ALL:
     65                 editText.setSelection(0, length);
     66                 break;
     67             }
     68         }
     69     }
     70 }
     71 
     72