org.strongswan.android.ui.fragment.RemediationInstructionsFragment.java Source code

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Here is the source code for org.strongswan.android.ui.fragment.RemediationInstructionsFragment.java

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/*
 * Copyright (C) 2013 Tobias Brunner
 * Hochschule fuer Technik Rapperswil
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * for more details.
 */

package org.strongswan.android.ui.fragment;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.widget.ListView;

import org.strongswan.android.R;
import org.strongswan.android.logic.imc.RemediationInstruction;
import org.strongswan.android.ui.adapter.RemediationInstructionAdapter;

import java.util.ArrayList;

public class RemediationInstructionsFragment extends ListFragment {
    public static final String EXTRA_REMEDIATION_INSTRUCTIONS = "instructions";
    private static final String KEY_POSITION = "position";
    private ArrayList<RemediationInstruction> mInstructions = null;
    private OnRemediationInstructionSelectedListener mListener;
    private RemediationInstructionAdapter mAdapter;
    private int mCurrentPosition = -1;

    /**
     * The activity containing this fragment should implement this interface
     */
    public interface OnRemediationInstructionSelectedListener {
        public void onRemediationInstructionSelected(RemediationInstruction instruction);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        if (savedInstanceState != null) {
            mInstructions = savedInstanceState.getParcelableArrayList(EXTRA_REMEDIATION_INSTRUCTIONS);
            mCurrentPosition = savedInstanceState.getInt(KEY_POSITION);
        }
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putParcelableArrayList(RemediationInstructionsFragment.EXTRA_REMEDIATION_INSTRUCTIONS,
                mInstructions);
        outState.putInt(KEY_POSITION, mCurrentPosition);
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);

        if (context instanceof OnRemediationInstructionSelectedListener) {
            mListener = (OnRemediationInstructionSelectedListener) context;
        }
    }

    @Override
    public void onStart() {
        super.onStart();

        boolean two_pane = getFragmentManager().findFragmentById(R.id.remediation_instruction_fragment) != null;
        if (two_pane) { /* two-pane layout, make list items selectable */
            getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        }

        Bundle args = getArguments();
        if (mInstructions == null && args != null) {
            mInstructions = args.getParcelableArrayList(EXTRA_REMEDIATION_INSTRUCTIONS);
        }
        updateView(mInstructions);

        if (two_pane && mCurrentPosition == -1
                && mInstructions.size() > 0) { /* two-pane layout, select first instruction */
            mCurrentPosition = 0;
            mListener.onRemediationInstructionSelected(mInstructions.get(0));
        }
        getListView().setItemChecked(mCurrentPosition, true);
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        mCurrentPosition = position;
        mListener.onRemediationInstructionSelected(mInstructions.get(position));
        getListView().setItemChecked(position, true);
    }

    public void updateView(ArrayList<RemediationInstruction> instructions) {
        if (mAdapter == null) {
            mAdapter = new RemediationInstructionAdapter(getActivity());
            setListAdapter(mAdapter);
        }
        mInstructions = instructions;
        mAdapter.setData(mInstructions);
    }
}