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      1 /*
      2  * Copyright (C) 2009 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.ContentUris;
     20 import android.content.Context;
     21 import android.content.Intent;
     22 import android.net.Uri;
     23 import android.preference.Preference;
     24 import android.provider.Telephony;
     25 import android.util.AttributeSet;
     26 import android.util.Log;
     27 import android.view.View;
     28 import android.view.ViewGroup;
     29 import android.view.View.OnClickListener;
     30 import android.widget.CompoundButton;
     31 import android.widget.RadioButton;
     32 import android.widget.RelativeLayout;
     33 
     34 public class ApnPreference extends Preference implements
     35         CompoundButton.OnCheckedChangeListener, OnClickListener {
     36     final static String TAG = "ApnPreference";
     37 
     38     /**
     39      * @param context
     40      * @param attrs
     41      * @param defStyle
     42      */
     43     public ApnPreference(Context context, AttributeSet attrs, int defStyle) {
     44         super(context, attrs, defStyle);
     45         init();
     46     }
     47 
     48     /**
     49      * @param context
     50      * @param attrs
     51      */
     52     public ApnPreference(Context context, AttributeSet attrs) {
     53         super(context, attrs);
     54         init();
     55     }
     56 
     57     /**
     58      * @param context
     59      */
     60     public ApnPreference(Context context) {
     61         super(context);
     62         init();
     63     }
     64 
     65     private static String mSelectedKey = null;
     66     private static CompoundButton mCurrentChecked = null;
     67     private boolean mProtectFromCheckedChange = false;
     68     private boolean mSelectable = true;
     69 
     70     @Override
     71     public View getView(View convertView, ViewGroup parent) {
     72         View view = super.getView(convertView, parent);
     73 
     74         View widget = view.findViewById(R.id.apn_radiobutton);
     75         if ((widget != null) && widget instanceof RadioButton) {
     76             RadioButton rb = (RadioButton) widget;
     77             if (mSelectable) {
     78                 rb.setOnCheckedChangeListener(this);
     79 
     80                 boolean isChecked = getKey().equals(mSelectedKey);
     81                 if (isChecked) {
     82                     mCurrentChecked = rb;
     83                     mSelectedKey = getKey();
     84                 }
     85 
     86                 mProtectFromCheckedChange = true;
     87                 rb.setChecked(isChecked);
     88                 mProtectFromCheckedChange = false;
     89             } else {
     90                 rb.setVisibility(View.GONE);
     91             }
     92         }
     93 
     94         View textLayout = view.findViewById(R.id.text_layout);
     95         if ((textLayout != null) && textLayout instanceof RelativeLayout) {
     96             textLayout.setOnClickListener(this);
     97         }
     98 
     99         return view;
    100     }
    101 
    102     private void init() {
    103         setLayoutResource(R.layout.apn_preference_layout);
    104     }
    105 
    106     public boolean isChecked() {
    107         return getKey().equals(mSelectedKey);
    108     }
    109 
    110     public void setChecked() {
    111         mSelectedKey = getKey();
    112     }
    113 
    114     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
    115         Log.i(TAG, "ID: " + getKey() + " :" + isChecked);
    116         if (mProtectFromCheckedChange) {
    117             return;
    118         }
    119 
    120         if (isChecked) {
    121             if (mCurrentChecked != null) {
    122                 mCurrentChecked.setChecked(false);
    123             }
    124             mCurrentChecked = buttonView;
    125             mSelectedKey = getKey();
    126             callChangeListener(mSelectedKey);
    127         } else {
    128             mCurrentChecked = null;
    129             mSelectedKey = null;
    130         }
    131     }
    132 
    133     public void onClick(android.view.View v) {
    134         if ((v != null) && (R.id.text_layout == v.getId())) {
    135             Context context = getContext();
    136             if (context != null) {
    137                 int pos = Integer.parseInt(getKey());
    138                 Uri url = ContentUris.withAppendedId(Telephony.Carriers.CONTENT_URI, pos);
    139                 context.startActivity(new Intent(Intent.ACTION_EDIT, url));
    140             }
    141         }
    142     }
    143 
    144     public void setSelectable(boolean selectable) {
    145         mSelectable = selectable;
    146     }
    147 
    148     public boolean getSelectable() {
    149         return mSelectable;
    150     }
    151 }
    152