drawnzer.anurag.archivereaddemo.TarFragment.java Source code

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Here is the source code for drawnzer.anurag.archivereaddemo.TarFragment.java

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/**
 * Copyright(c) 2014 DRAWNZER.ORG PROJECTS -> ANURAG
 * 
 * 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.
 *                             
 *                             anurag.dev1512@gmail.com
 *
 */

package drawnzer.anurag.archivereaddemo;

import java.io.File;
import java.util.zip.ZipException;

import android.os.Bundle;
import android.os.Environment;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;
import drawnzer.anurag.archiveread.ReadArchive;
import drawnzer.anurag.tarHelper.TarObj;

/**
 * 
 * @author Anurag....
 *
 */
public class TarFragment extends Fragment {

    //main object holding the archive....
    private ReadArchive read_tar;

    //true if archive is opened....
    private boolean opened;

    private String tar_path = null;
    //sdcard path....
    private String path = Environment.getExternalStorageDirectory().getAbsolutePath();

    public TarFragment() {
        // TODO Auto-generated constructor stub
        opened = false;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        return inflater.inflate(R.layout.ls, container, false);
    }

    @Override
    public void onViewCreated(View view, Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        final ListView lsView = (ListView) view.findViewById(R.id.ls);
        lsView.setSelector(R.drawable.button_click);
        lsView.setAdapter(new FileAdapter(getActivity(), new File(path).listFiles()));

        lsView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                // TODO Auto-generated method stub

                if (opened) {
                    //zip file already opened....
                    //we are selecting sub files inside of zip file....

                    //getting selected entry from list view....
                    TarObj obj = (TarObj) lsView.getAdapter().getItem(arg2);

                    //getting path of selected folder inside zip archive....
                    tar_path = obj.getPath();

                    if (obj.isFile()) {
                        // a files is selected inside of archive....
                        Toast.makeText(getActivity(), "A file is selected....", Toast.LENGTH_SHORT).show();
                    } else {
                        //a folder is selected inside zip archive....
                        //so further listing the selected folder....

                        if (tar_path.startsWith("/"))
                            tar_path = tar_path.substring(1, tar_path.length());
                        try {
                            lsView.setAdapter(read_tar.getAdapter(tar_path, getActivity()));
                        } catch (ZipException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            Toast.makeText(getActivity(), "Something went wrong....", Toast.LENGTH_SHORT).show();
                        } catch (Exception e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            Toast.makeText(getActivity(), "Something went wrong....", Toast.LENGTH_SHORT).show();
                        }
                    }
                    return;
                }

                //folder or some file is selected....
                //getting the file....
                File getFile = (File) lsView.getAdapter().getItem(arg2);

                if (getFile.isDirectory()) {
                    //updating th path....
                    path = path + "/" + getFile.getName();

                    //updating the listview as per new path....
                    lsView.setAdapter(new FileAdapter(getActivity(), new File(path).listFiles()));
                } else {
                    //file is selected....
                    if (getFile.getName().endsWith(".tar") || getFile.getName().endsWith(".tar.bz2")) {
                        //open the zip file....
                        opened = true;
                        read_tar = new ReadArchive(getFile);

                        if (tar_path == null)
                            tar_path = "/";

                        try {
                            lsView.setAdapter(read_tar.getAdapter(tar_path, getActivity()));
                        } catch (Exception e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                            Toast.makeText(getActivity(), "Invalid tar file....", Toast.LENGTH_SHORT).show();
                        }
                    } else
                        Toast.makeText(getActivity(), "Choose a tar file to open....", Toast.LENGTH_SHORT).show();
                }
            }
        });
        lsView.setOnItemLongClickListener(null);
    }
}