Java tutorial
/* ownCloud Android client application * Copyright (C) 2011 Bartek Przybylski * Copyright (C) 2012-2013 ownCloud Inc. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, * as published by the Free Software Foundation. * * 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. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package com.owncloud.android.ui.adapter; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Vector; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpPost; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; import org.json.JSONObject; import android.accounts.Account; import android.app.Dialog; import android.content.Context; import android.os.Handler; import android.os.Message; 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.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.owncloud.android.DisplayUtils; import com.owncloud.android.R; import com.owncloud.android.authentication.AccountUtils; import com.owncloud.android.datamodel.DataStorageManager; import com.owncloud.android.datamodel.OCFile; import com.owncloud.android.db.DbFriends; import com.owncloud.android.db.DbShareFile; import com.owncloud.android.files.services.FileDownloader.FileDownloaderBinder; import com.owncloud.android.files.services.FileUploader.FileUploaderBinder; import com.owncloud.android.ui.activity.TransferServiceGetter; /** * This Adapter populates a ListView with all files and folders in an ownCloud * instance. * * @author Bartek Przybylski * */ public class FileListListAdapter extends BaseAdapter implements ListAdapter, OnClickListener { private Context mContext; private OCFile mFile = null; private Vector<OCFile> mFiles = null; private DataStorageManager mStorageManager; private Account mAccount; private TransferServiceGetter mTransferServiceGetter; //total size of a directory (recursive) private Long totalSizeOfDirectoriesRecursive = null; private Long lastModifiedOfAllSubdirectories = null; private ArrayAdapter<String> shareWithFriends; private static String shareType = "0"; private static String permissions = "17"; private String accountName; private String url; DbFriends dataSource; DbShareFile dataSourceShareFile; List<String> sharedWith; public FileListListAdapter(Context context, TransferServiceGetter transferServiceGetter) { mContext = context; mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext); mTransferServiceGetter = transferServiceGetter; } @Override public boolean areAllItemsEnabled() { return true; } @Override public boolean isEnabled(int position) { return true; } @Override public int getCount() { return mFiles != null ? mFiles.size() : 0; } @Override public Object getItem(int position) { if (mFiles == null || mFiles.size() <= position) return null; return mFiles.get(position); } @Override public long getItemId(int position) { if (mFiles == null || mFiles.size() <= position) return 0; return mFiles.get(position).getFileId(); } @Override public int getItemViewType(int position) { return 0; } @Override public View getView(final int position, View convertView, ViewGroup parent) { View view = convertView; if (view == null) { LayoutInflater inflator = (LayoutInflater) mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflator.inflate(R.layout.list_item, null); } if (mFiles != null && mFiles.size() > position) { OCFile file = mFiles.get(position); TextView fileName = (TextView) view.findViewById(R.id.Filename); String name = file.getFileName(); if (dataSourceShareFile == null) dataSourceShareFile = new DbShareFile(mContext); Account account = AccountUtils.getCurrentOwnCloudAccount(mContext); String[] accountNames = account.name.split("@"); if (accountNames.length > 2) { accountName = accountNames[0] + "@" + accountNames[1]; url = accountNames[2]; } Map<String, String> fileSharers = dataSourceShareFile.getUsersWhoSharedFilesWithMe(accountName); TextView sharer = (TextView) view.findViewById(R.id.sharer); ImageView shareButton = (ImageView) view.findViewById(R.id.shareItem); fileName.setText(name); ImageView fileIcon = (ImageView) view.findViewById(R.id.imageView1); fileIcon.setImageResource(DisplayUtils.getResourceId(file.getMimetype())); ImageView localStateView = (ImageView) view.findViewById(R.id.imageView2); FileDownloaderBinder downloaderBinder = mTransferServiceGetter.getFileDownloaderBinder(); FileUploaderBinder uploaderBinder = mTransferServiceGetter.getFileUploaderBinder(); if (fileSharers.size() != 0 && (!file.equals("Shared") && file.getRemotePath().contains("Shared"))) { if (fileSharers.containsKey(name)) { sharer.setText(fileSharers.get(name)); fileSharers.remove(name); } else { sharer.setText(" "); } } else { sharer.setText(" "); } if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, file)) { localStateView.setImageResource(R.drawable.downloading_file_indicator); localStateView.setVisibility(View.VISIBLE); } else if (uploaderBinder != null && uploaderBinder.isUploading(mAccount, file)) { localStateView.setImageResource(R.drawable.uploading_file_indicator); localStateView.setVisibility(View.VISIBLE); } else if (file.isDown()) { localStateView.setImageResource(R.drawable.local_file_indicator); localStateView.setVisibility(View.VISIBLE); } else { localStateView.setVisibility(View.INVISIBLE); } TextView fileSizeV = (TextView) view.findViewById(R.id.file_size); TextView lastModV = (TextView) view.findViewById(R.id.last_mod); ImageView checkBoxV = (ImageView) view.findViewById(R.id.custom_checkbox); shareButton.setOnClickListener(new OnClickListener() { String shareStatusDisplay; int flagShare = 0; @Override public void onClick(View v) { final Dialog dialog = new Dialog(mContext); final OCFile fileToBeShared = (OCFile) getItem(position); final ArrayAdapter<String> shareWithFriends; final ArrayAdapter<String> shareAdapter; final String filePath; sharedWith = new ArrayList<String>(); dataSource = new DbFriends(mContext); dataSourceShareFile = new DbShareFile(mContext); dialog.setContentView(R.layout.share_file_with); dialog.setTitle("Share"); Account account = AccountUtils.getCurrentOwnCloudAccount(mContext); String[] accountNames = account.name.split("@"); if (accountNames.length > 2) { accountName = accountNames[0] + "@" + accountNames[1]; url = accountNames[2]; } final AutoCompleteTextView textView = (AutoCompleteTextView) dialog .findViewById(R.id.autocompleteshare); Button shareBtn = (Button) dialog.findViewById(R.id.ShareBtn); Button doneBtn = (Button) dialog.findViewById(R.id.ShareDoneBtn); final ListView listview = (ListView) dialog.findViewById(R.id.alreadySharedWithList); textView.setThreshold(2); final String itemType; filePath = "files" + String.valueOf(fileToBeShared.getRemotePath()); final String fileName = fileToBeShared.getFileName(); final String fileRemotePath = fileToBeShared.getRemotePath(); if (dataSourceShareFile == null) dataSourceShareFile = new DbShareFile(mContext); sharedWith = dataSourceShareFile.getUsersWithWhomIhaveSharedFile(fileName, fileRemotePath, accountName, String.valueOf(1)); shareAdapter = new ArrayAdapter<String>(mContext, android.R.layout.simple_list_item_1, sharedWith); listview.setAdapter(shareAdapter); final String itemSource; if (fileToBeShared.isDirectory()) { itemType = "folder"; int lastSlashInFolderPath = filePath.lastIndexOf('/'); itemSource = filePath.substring(0, lastSlashInFolderPath); } else { itemType = "file"; itemSource = filePath; } //Permissions disabled with friends app ArrayList<String> friendList = dataSource.getFriendList(accountName); dataSource.close(); shareWithFriends = new ArrayAdapter<String>(mContext, android.R.layout.simple_list_item_1, friendList); textView.setAdapter(shareWithFriends); textView.setFocusableInTouchMode(true); dialog.show(); textView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View v, int position, long id) { } }); final Handler finishedHandler = new Handler() { @Override public void handleMessage(Message msg) { shareAdapter.notifyDataSetChanged(); Toast.makeText(mContext, shareStatusDisplay, Toast.LENGTH_SHORT).show(); } }; shareBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { final String shareWith = textView.getText().toString(); if (shareWith.equals("")) { textView.setHint("Share With"); Toast.makeText(mContext, "Please enter the friends name with whom you want to share", Toast.LENGTH_SHORT).show(); } else if (sharedWith.contains(shareWith)) { textView.setHint("Share With"); Toast.makeText(mContext, "You have shared the file with that person", Toast.LENGTH_SHORT).show(); } else { textView.setText(""); Runnable runnable = new Runnable() { @Override public void run() { HttpPost post = new HttpPost( "http://" + url + "/owncloud/androidshare.php"); final ArrayList<NameValuePair> params = new ArrayList<NameValuePair>(); params.add(new BasicNameValuePair("itemType", itemType)); params.add(new BasicNameValuePair("itemSource", itemSource)); params.add(new BasicNameValuePair("shareType", shareType)); params.add(new BasicNameValuePair("shareWith", shareWith)); params.add(new BasicNameValuePair("permission", permissions)); params.add(new BasicNameValuePair("uidOwner", accountName)); HttpEntity entity; String shareSuccess = "false"; try { entity = new UrlEncodedFormEntity(params, "utf-8"); HttpClient client = new DefaultHttpClient(); post.setEntity(entity); HttpResponse response = client.execute(post); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { HttpEntity entityresponse = response.getEntity(); String jsonentity = EntityUtils.toString(entityresponse); JSONObject obj = new JSONObject(jsonentity); shareSuccess = obj.getString("SHARE_STATUS"); flagShare = 1; if (shareSuccess.equals("true")) { dataSourceShareFile.putNewShares(fileName, fileRemotePath, accountName, shareWith); sharedWith.add(shareWith); shareStatusDisplay = "File share succeeded"; } else if (shareSuccess.equals("INVALID_FILE")) { shareStatusDisplay = "File you are trying to share does not exist"; } else if (shareSuccess.equals("INVALID_SHARETYPE")) { shareStatusDisplay = "File Share type is invalid"; } else { shareStatusDisplay = "Share did not succeed. Please check your internet connection"; } finishedHandler.sendEmptyMessage(flagShare); } } catch (Exception e) { e.printStackTrace(); } } }; new Thread(runnable).start(); } if (flagShare == 1) { } } }); doneBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { dialog.dismiss(); //dataSourceShareFile.close(); } }); } }); //dataSourceShareFile.close(); if (!file.isDirectory()) { fileSizeV.setVisibility(View.VISIBLE); fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength())); lastModV.setVisibility(View.VISIBLE); lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())); // this if-else is needed even thoe fav icon is visible by default // because android reuses views in listview if (!file.keepInSync()) { view.findViewById(R.id.imageView3).setVisibility(View.GONE); } else { view.findViewById(R.id.imageView3).setVisibility(View.VISIBLE); } ListView parentList = (ListView) parent; if (parentList.getChoiceMode() == ListView.CHOICE_MODE_NONE) { checkBoxV.setVisibility(View.GONE); } else { if (parentList.isItemChecked(position)) { checkBoxV.setImageResource(android.R.drawable.checkbox_on_background); } else { checkBoxV.setImageResource(android.R.drawable.checkbox_off_background); } checkBoxV.setVisibility(View.VISIBLE); } } else { fileSizeV.setVisibility(View.VISIBLE); fileSizeV.setText(DisplayUtils.bytesToHumanReadable(file.getFileLength())); lastModV.setVisibility(View.VISIBLE); lastModV.setText(DisplayUtils.unixTimeToHumanReadable(file.getModificationTimestamp())); checkBoxV.setVisibility(View.GONE); view.findViewById(R.id.imageView3).setVisibility(View.GONE); } } return view; } @Override public int getViewTypeCount() { return 1; } @Override public boolean hasStableIds() { return true; } @Override public boolean isEmpty() { return (mFiles == null || mFiles.isEmpty()); } /** * Change the adapted directory for a new one * @param directory New file to adapt. Can be NULL, meaning "no content to adapt". * @param updatedStorageManager Optional updated storage manager; used to replace mStorageManager if is different (and not NULL) */ public void swapDirectory(OCFile directory, DataStorageManager updatedStorageManager) { mFile = directory; if (updatedStorageManager != null && updatedStorageManager != mStorageManager) { mStorageManager = updatedStorageManager; mAccount = AccountUtils.getCurrentOwnCloudAccount(mContext); } if (mStorageManager != null) { mFiles = mStorageManager.getDirectoryContent(mFile); } else { mFiles = null; } notifyDataSetChanged(); } @Override public void onClick(View arg0) { // TODO Auto-generated method stub } }