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   1 /*
   2  * Copyright (C) 2013 Tobias Brunner
   3  *
   4  * Copyright (C) secunet Security Networks AG
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2 of the License, or (at your
   9  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  13  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * for more details.
  15  */
  16
  17 package org.strongswan.android.ui;
  18
  19 import android.content.Context;
  20 import android.os.Bundle;
  21 import android.view.View;
  22 import android.widget.ListView;
  23
  24 import org.strongswan.android.R;
  25 import org.strongswan.android.logic.imc.RemediationInstruction;
  26 import org.strongswan.android.ui.adapter.RemediationInstructionAdapter;
  27
  28 import java.util.ArrayList;
  29
  30 import androidx.annotation.NonNull;
  31 import androidx.annotation.Nullable;
  32 import androidx.fragment.app.ListFragment;
  33
  34 public class RemediationInstructionsFragment extends ListFragment
  35 {
  36         public static final String EXTRA_REMEDIATION_INSTRUCTIONS = "instructions";
  37         private static final String KEY_POSITION = "position";
  38         private ArrayList<RemediationInstruction> mInstructions = null;
  39         private OnRemediationInstructionSelectedListener mListener;
  40         private RemediationInstructionAdapter mAdapter;
  41         private int mCurrentPosition = -1;
  42
  43         /**
  44          * The activity containing this fragment should implement this interface
  45          */
  46         public interface OnRemediationInstructionSelectedListener
  47         {
  48                 public void onRemediationInstructionSelected(RemediationInstruction instruction);
  49         }
  50
  51         @Override
  52         public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState)
  53         {
  54                 super.onViewCreated(view, savedInstanceState);
  55
  56                 if (savedInstanceState != null)
  57                 {
  58                         mInstructions = savedInstanceState.getParcelableArrayList(EXTRA_REMEDIATION_INSTRUCTIONS);
  59                         mCurrentPosition = savedInstanceState.getInt(KEY_POSITION);
  60                 }
  61         }
  62
  63         @Override
  64         public void onSaveInstanceState(Bundle outState)
  65         {
  66                 super.onSaveInstanceState(outState);
  67                 outState.putParcelableArrayList(RemediationInstructionsFragment.EXTRA_REMEDIATION_INSTRUCTIONS, mInstructions);
  68                 outState.putInt(KEY_POSITION, mCurrentPosition);
  69         }
  70
  71         @Override
  72         public void onAttach(Context context)
  73         {
  74                 super.onAttach(context);
  75
  76                 if (context instanceof OnRemediationInstructionSelectedListener)
  77                 {
  78                         mListener = (OnRemediationInstructionSelectedListener)context;
  79                 }
  80         }
  81
  82         @Override
  83         public void onStart()
  84         {
  85                 super.onStart();
  86
  87                 boolean two_pane = getParentFragmentManager().findFragmentById(R.id.remediation_instruction_fragment) != null;
  88                 if (two_pane)
  89                 {       /* two-pane layout, make list items selectable */
  90                         getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
  91                 }
  92
  93                 Bundle args = getArguments();
  94                 if (mInstructions == null && args != null)
  95                 {
  96                         mInstructions = args.getParcelableArrayList(EXTRA_REMEDIATION_INSTRUCTIONS);
  97                 }
  98                 updateView(mInstructions);
  99
 100                 if (two_pane && mCurrentPosition == -1 && mInstructions.size() > 0)
 101                 {       /* two-pane layout, select first instruction */
 102                         mCurrentPosition = 0;
 103                         mListener.onRemediationInstructionSelected(mInstructions.get(0));
 104                 }
 105                 getListView().setItemChecked(mCurrentPosition, true);
 106         }
 107
 108         @Override
 109         public void onListItemClick(ListView l, View v, int position, long id)
 110         {
 111                 mCurrentPosition = position;
 112                 mListener.onRemediationInstructionSelected(mInstructions.get(position));
 113                 getListView().setItemChecked(position, true);
 114         }
 115
 116         public void updateView(ArrayList<RemediationInstruction> instructions)
 117         {
 118                 if (mAdapter == null)
 119                 {
 120                         mAdapter = new RemediationInstructionAdapter(getActivity());
 121                         setListAdapter(mAdapter);
 122                 }
 123                 mInstructions = instructions;
 124                 mAdapter.setData(mInstructions);
 125         }
 126 }