org.alfresco.mobile.android.application.fragments.upload.UploadFormFragment.java Source code

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/*******************************************************************************
 * Copyright (C) 2005-2014 Alfresco Software Limited.
 * 
 * This file is part of Alfresco Mobile for Android.
 * 
 * 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.
 ******************************************************************************/
package org.alfresco.mobile.android.application.fragments.upload;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import org.alfresco.mobile.android.api.session.AlfrescoSession;
import org.alfresco.mobile.android.application.ApplicationManager;
import org.alfresco.mobile.android.application.R;
import org.alfresco.mobile.android.application.accounts.Account;
import org.alfresco.mobile.android.application.accounts.AccountManager;
import org.alfresco.mobile.android.application.accounts.AccountSchema;
import org.alfresco.mobile.android.application.accounts.fragment.AccountCursorAdapter;
import org.alfresco.mobile.android.application.activity.BaseActivity;
import org.alfresco.mobile.android.application.activity.HomeScreenActivity;
import org.alfresco.mobile.android.application.activity.PublicDispatcherActivity;
import org.alfresco.mobile.android.application.commons.utils.AndroidVersion;
import org.alfresco.mobile.android.application.exception.AlfrescoAppException;
import org.alfresco.mobile.android.application.fragments.fileexplorer.FileExplorerAdapter;
import org.alfresco.mobile.android.application.intent.IntentIntegrator;
import org.alfresco.mobile.android.application.manager.ActionManager;
import org.alfresco.mobile.android.application.manager.StorageManager;
import org.alfresco.mobile.android.application.security.DataProtectionManager;
import org.alfresco.mobile.android.application.utils.UIUtils;
import org.alfresco.mobile.android.ui.manager.MessengerManager;

import android.app.Fragment;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.ClipData;
import android.content.ClipData.Item;
import android.content.CursorLoader;
import android.content.Intent;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.CursorAdapter;
import android.widget.ListView;
import android.widget.Spinner;

/**
 * Display the form to choose account and import folder.
 * 
 * @author Jean Marie Pascal
 */
public class UploadFormFragment extends Fragment implements LoaderCallbacks<Cursor> {

    public static final String TAG = "ImportFormFragment";

    private Cursor selectedAccountCursor;

    private String fileName;

    private File file;

    private View rootView;

    private Integer folderImportId;

    private int importFolderIndex;

    /** Principal ListView of the fragment */
    protected ListView lv;

    protected ArrayAdapter<?> adapter;

    protected CursorAdapter cursorAdapter;

    protected int selectedPosition;

    protected List<File> files = new ArrayList<File>();

    private Spinner spinnerDoc;

    private Spinner spinnerAccount;

    public static UploadFormFragment newInstance(Bundle b) {
        UploadFormFragment fr = new UploadFormFragment();
        fr.setArguments(b);
        return fr;
    }

    // ///////////////////////////////////////////////////////////////////////////
    // LIFECYCLE
    // ///////////////////////////////////////////////////////////////////////////

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        UIUtils.displayTitle(getActivity(), R.string.import_document_title);

        rootView = inflater.inflate(R.layout.app_import, container, false);
        if (rootView.findViewById(R.id.listView) != null) {
            initDocumentList(rootView);
        } else {
            initiDocumentSpinner(rootView);
        }

        spinnerAccount = (Spinner) rootView.findViewById(R.id.accounts_spinner);
        spinnerAccount.setOnItemSelectedListener(new OnItemSelectedListener() {

            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                selectedAccountCursor = (Cursor) parent.getItemAtPosition(pos);
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0) {
                // Do nothing
            }
        });
        return rootView;
    }

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

        cursorAdapter = new AccountCursorAdapter(getActivity(), null, R.layout.sdk_list_row, null);
        spinnerAccount.setAdapter(cursorAdapter);
        getLoaderManager().initLoader(0, null, this);
    }

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

        Intent intent = getActivity().getIntent();
        String action = intent.getAction();
        String type = intent.getType();
        if (files != null) {
            files.clear();
        }

        try {
            if (Intent.ACTION_SEND_MULTIPLE.equals(action)) {
                if (AndroidVersion.isJBOrAbove()) {
                    ClipData clipdata = intent.getClipData();
                    if (clipdata != null && clipdata.getItemCount() > 1) {
                        Item item = null;
                        for (int i = 0; i < clipdata.getItemCount(); i++) {
                            item = clipdata.getItemAt(i);
                            Uri uri = item.getUri();
                            if (uri != null) {
                                retrieveIntentInfo(uri);
                            } else {
                                String timeStamp = new SimpleDateFormat("yyyyddMM_HHmmss").format(new Date());
                                File localParentFolder = StorageManager.getCacheDir(getActivity(),
                                        "AlfrescoMobile/import");
                                File f = createFile(localParentFolder, timeStamp + ".txt",
                                        item.getText().toString());
                                if (f.exists()) {
                                    retrieveIntentInfo(Uri.fromFile(f));
                                }
                            }
                            if (!files.contains(file)) {
                                files.add(file);
                            }
                        }
                    }
                } else {
                    if (intent.getExtras() != null
                            && intent.getExtras().get(Intent.EXTRA_STREAM) instanceof ArrayList) {
                        @SuppressWarnings("unchecked")
                        List<Object> attachments = (ArrayList<Object>) intent.getExtras().get(Intent.EXTRA_STREAM);
                        for (Object object : attachments) {
                            if (object instanceof Uri) {
                                Uri uri = (Uri) object;
                                if (uri != null) {
                                    retrieveIntentInfo(uri);
                                }
                                if (!files.contains(file)) {
                                    files.add(file);
                                }
                            }
                        }
                    } else if (file == null || fileName == null) {
                        MessengerManager.showLongToast(getActivity(),
                                getString(R.string.import_unsupported_intent));
                        getActivity().finish();
                        return;
                    }
                }
            } else {
                // Manage only one clip data. If multiple we ignore.
                if (AndroidVersion.isJBOrAbove() && (!Intent.ACTION_SEND.equals(action) || type == null)) {
                    ClipData clipdata = intent.getClipData();
                    if (clipdata != null && clipdata.getItemCount() == 1 && clipdata.getItemAt(0) != null
                            && (clipdata.getItemAt(0).getText() != null
                                    || clipdata.getItemAt(0).getUri() != null)) {
                        Item item = clipdata.getItemAt(0);
                        Uri uri = item.getUri();
                        if (uri != null) {
                            retrieveIntentInfo(uri);
                        } else {
                            String timeStamp = new SimpleDateFormat("yyyyddMM_HHmmss").format(new Date());
                            File localParentFolder = StorageManager.getCacheDir(getActivity(),
                                    "AlfrescoMobile/import");
                            File f = createFile(localParentFolder, timeStamp + ".txt", item.getText().toString());
                            if (f.exists()) {
                                retrieveIntentInfo(Uri.fromFile(f));
                            }
                        }
                    }
                }

                if (file == null && Intent.ACTION_SEND.equals(action) && type != null) {
                    Uri uri = (Uri) intent.getParcelableExtra(Intent.EXTRA_STREAM);
                    retrieveIntentInfo(uri);
                } else if (action == null && intent.getData() != null) {
                    retrieveIntentInfo(intent.getData());
                } else if (file == null || fileName == null) {
                    MessengerManager.showLongToast(getActivity(), getString(R.string.import_unsupported_intent));
                    getActivity().finish();
                    return;
                }
                if (!files.contains(file)) {
                    files.add(file);
                }
            }
        } catch (AlfrescoAppException e) {
            org.alfresco.mobile.android.application.manager.ActionManager.actionDisplayError(this, e);
            getActivity().finish();
            return;
        }

        if (adapter == null && files != null) {
            adapter = new FileExplorerAdapter(this, R.layout.app_list_progress_row, files);
            if (lv != null) {
                lv.setAdapter(adapter);
            } else if (spinnerDoc != null) {
                spinnerDoc.setAdapter(adapter);
            }
        }

        Button b = UIUtils.initCancel(rootView, R.string.cancel);
        b.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                getActivity().finish();
            }
        });

        b = UIUtils.initValidation(rootView, R.string.next);
        b.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                next();
            }
        });

        refreshImportFolder();
    }

    // ///////////////////////////////////////////
    // ACCOUNT CURSOR
    // ///////////////////////////////////////////
    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        return new CursorLoader(getActivity(), AccountManager.CONTENT_URI, AccountManager.COLUMN_ALL,
                AccountSchema.COLUMN_ACTIVATION + " IS NULL OR " + AccountSchema.COLUMN_ACTIVATION + "= ''", null,
                null);
    }

    public void onLoadFinished(Loader<Cursor> arg0, Cursor cursor) {
        if (cursor.getCount() == 0) {
            startActivityForResult(new Intent(getActivity(), HomeScreenActivity.class), 1);
            return;
        }
        cursorAdapter.changeCursor(cursor);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> arg0) {
        cursorAdapter.changeCursor(null);
    }

    // ///////////////////////////////////////////////////////////////////////////
    // INTERNALS
    // ///////////////////////////////////////////////////////////////////////////
    private void initiDocumentSpinner(View v) {
        spinnerDoc = (Spinner) v.findViewById(R.id.import_documents_spinner);
        if (adapter != null) {
            spinnerDoc.setAdapter(adapter);
        }
    }

    private void initDocumentList(View v) {
        lv = (ListView) v.findViewById(R.id.listView);

        if (adapter != null) {
            lv.setAdapter(adapter);
            lv.setSelection(selectedPosition);
        }
    }

    private void retrieveIntentInfo(Uri uri) {
        if (uri == null) {
            throw new AlfrescoAppException(getString(R.string.import_unsupported_intent), true);
        }

        String tmpPath = ActionManager.getPath(getActivity(), uri);
        if (tmpPath != null) {
            file = new File(tmpPath);

            if (file == null || !file.exists()) {
                throw new AlfrescoAppException(getString(R.string.error_unknown_filepath), true);
            }
            fileName = file.getName();

            if (getActivity() instanceof PublicDispatcherActivity) {
                files.add(file);
                ((PublicDispatcherActivity) getActivity()).setUploadFile(files);
            }
        } else {
            // Error case : Unable to find the file path associated
            // to user pick.
            // Sample : Picasa image case
            throw new AlfrescoAppException(getString(R.string.error_unknown_filepath), true);
        }
    }

    private void refreshImportFolder() {
        Spinner spinner = (Spinner) rootView.findViewById(R.id.import_folder_spinner);
        UploadFolderAdapter upLoadadapter = new UploadFolderAdapter(getActivity(), R.layout.sdk_list_row,
                IMPORT_FOLDER_LIST);
        spinner.setAdapter(upLoadadapter);
        spinner.setOnItemSelectedListener(new OnItemSelectedListener() {

            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                folderImportId = (Integer) parent.getItemAtPosition(pos);
                importFolderIndex = pos;
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0) {
                // DO Nothing
            }
        });
        if (folderImportId == null) {
            importFolderIndex = 0;
        }
        spinner.setSelection(importFolderIndex);
    }

    @SuppressWarnings("serial")
    private static final List<Integer> IMPORT_FOLDER_LIST = new ArrayList<Integer>(3) {
        {
            add(R.string.menu_downloads);
            add(R.string.menu_browse_sites);
            add(R.string.menu_favorites_folder);
            add(R.string.menu_browse_root);
        }
    };

    private void next() {
        long accountId = selectedAccountCursor.getLong(AccountSchema.COLUMN_ID_ID);
        Account tmpAccount = AccountManager.retrieveAccount(getActivity(), accountId);

        switch (folderImportId) {
        case R.string.menu_browse_sites:
        case R.string.menu_browse_root:
        case R.string.menu_favorites_folder:

            if (getActivity() instanceof PublicDispatcherActivity) {
                ((PublicDispatcherActivity) getActivity()).setUploadFolder(folderImportId);
            }

            AlfrescoSession session = ApplicationManager.getInstance(getActivity()).getSession(tmpAccount.getId());

            // Try to use Session used by the application
            if (session != null) {
                ((BaseActivity) getActivity()).setCurrentAccount(tmpAccount);
                ((BaseActivity) getActivity()).setRenditionManager(null);
                LocalBroadcastManager.getInstance(getActivity())
                        .sendBroadcast(new Intent(IntentIntegrator.ACTION_LOAD_ACCOUNT_COMPLETED)
                                .putExtra(IntentIntegrator.EXTRA_ACCOUNT_ID, tmpAccount.getId()));
                return;
            }

            // Session is not used by the application so create one.
            ActionManager.loadAccount(getActivity(), tmpAccount);

            break;
        case R.string.menu_downloads:
            if (files.size() == 1) {
                UploadLocalDialogFragment fr = UploadLocalDialogFragment.newInstance(tmpAccount, file);
                fr.show(getActivity().getFragmentManager(), UploadLocalDialogFragment.TAG);
            } else {
                File folderStorage = StorageManager.getDownloadFolder(getActivity(), tmpAccount);
                DataProtectionManager.getInstance(getActivity()).copyAndEncrypt(tmpAccount, files, folderStorage);
                getActivity().finish();
            }
            break;
        default:
            break;
        }
    }

    private File createFile(File localParentFolder, String filename, String data) {
        File outputFile = null;
        Writer writer = null;
        try {
            if (!localParentFolder.isDirectory()) {
                localParentFolder.mkdir();
            }
            outputFile = new File(localParentFolder, filename);
            writer = new BufferedWriter(new FileWriter(outputFile));
            writer.write(data);
            writer.close();
        } catch (IOException e) {
            Log.w(TAG, Log.getStackTraceString(e));
        }
        return outputFile;
    }
}