com.joeyturczak.jtscanner.ui.FileListFragment.java Source code

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Here is the source code for com.joeyturczak.jtscanner.ui.FileListFragment.java

Source

package com.joeyturczak.jtscanner.ui;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

import com.joeyturczak.jtscanner.R;
import com.joeyturczak.jtscanner.adapters.FileListAdapter;
import com.joeyturczak.jtscanner.utils.Utility;

import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

/**
 * Created by joeyturczak on 9/16/15.
 * Copyright (C) 2015 Joey Turczak
 *
 *       Licensed under the Apache License, Version 2.0 (the "License");
 *       you may not use this file except in compliance with the License.
 *       You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *       Unless required by applicable law or agreed to in writing, software
 *       distributed under the License is distributed on an "AS IS" BASIS,
 *       WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *       See the License for the specific language governing permissions and
 *       limitations under the License.
 */
public class FileListFragment extends Fragment {

    public static final long ONE_DAY = 86400000;

    private ListView mFileList;
    private FileListAdapter mFileListAdapter;
    private List<String> mFileNames;

    private Toast mToast;

    public FileListFragment() {

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = inflater.inflate(R.layout.fragment_file_list, container, false);
        setHasOptionsMenu(true);

        mFileNames = new ArrayList<>();

        mFileList = (ListView) rootView.findViewById(R.id.file_list);
        mFileListAdapter = new FileListAdapter(getActivity(), R.layout.file_list_item, mFileNames);
        mFileList.setAdapter(mFileListAdapter);

        loadFileList();

        mFileList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                openFile(position);
            }
        });

        return rootView;
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        super.onCreateOptionsMenu(menu, inflater);
        MenuItem menuItem = menu.findItem(R.id.action_save_spreadsheet);
        menuItem.setVisible(true);
        Utility.tintMenuIcon(getContext(), menuItem, R.color.white);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        if (id == R.id.action_save_spreadsheet) {
            loadFileList();
            mFileListAdapter.notifyDataSetChanged();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private void loadFileList() {

        mFileListAdapter.clear();

        File externalDir = Environment.getExternalStorageDirectory();
        String externalDirPath = externalDir.getPath();

        File scannerDir = new File(externalDirPath + getString(R.string.file_directory));

        long today = Utility.normalizeDate(System.currentTimeMillis());

        int daysToKeep = Utility.getDaysToKeepFiles(getActivity());

        long daysToKeepMilliseconds = ONE_DAY * daysToKeep;

        long todayMinusDaysToKeep = today - daysToKeepMilliseconds;

        File[] files = scannerDir.listFiles();
        if (files != null) {
            Arrays.sort(files, Collections.reverseOrder());

            for (File file : files) {
                String fileName = file.getName();
                fileName = fileName.replace("JTS_", "");
                fileName = fileName.replace(".xls", "");

                long fileDate = Utility.dateToMilliseconds(fileName, "MM-dd-yyyy");

                if (fileDate < todayMinusDaysToKeep) {
                    file.delete();
                    Utility.trimCache(getActivity());
                } else {
                    mFileListAdapter.add(file.getName());
                }
            }
        }
    }

    private void openFile(final int position) {

        File externalDir = Environment.getExternalStorageDirectory();
        String externalDirPath = externalDir.getPath();

        final File scannerDir = new File(externalDirPath + getString(R.string.file_directory));

        File file = new File(scannerDir + File.separator + mFileNames.get(position));

        final Uri path = Uri.fromFile(file);

        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setDataAndType(path, getString(R.string.excel_data_type));
        try {
            startActivity(intent);
        } catch (Exception e) {
            if (mToast != null) {
                mToast.cancel();
            }
            mToast = Toast.makeText(getActivity(), R.string.toast_no_app_found, Toast.LENGTH_SHORT);
            mToast.show();
        }
    }
}