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