Java tutorial
/** * This file is part of FileSpace for Android, an app for managing your server (files, talks...). * <p> * Copyright (c) 2014-2015 FileSpace for Android contributors (http://mercandalli.com) * <p> * LICENSE: * <p> * FileSpace for Android 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. * <p> * FileSpace for Android 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. * * @author Jonathan Mercandalli * @license http://www.gnu.org/licenses/gpl.html * @copyright 2014-2015 FileSpace for Android contributors (http://mercandalli.com) */ package com.mercandalli.android.apps.files.file.cloud; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.os.Build; import android.os.Bundle; import android.support.annotation.IntRange; import android.support.annotation.NonNull; import android.support.design.widget.FloatingActionButton; import android.support.v4.widget.SwipeRefreshLayout; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.text.Html; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.mercandalli.android.apps.files.R; import com.mercandalli.android.apps.files.common.animation.ScaleAnimationAdapter; import com.mercandalli.android.apps.files.common.fragment.BackFragment; import com.mercandalli.android.apps.files.common.listener.IListener; import com.mercandalli.android.apps.files.common.listener.IPostExecuteListener; import com.mercandalli.android.apps.files.common.listener.ResultCallback; import com.mercandalli.android.apps.files.common.net.TaskPost; import com.mercandalli.android.apps.files.common.util.StringPair; import com.mercandalli.android.apps.files.file.FileAddDialog; import com.mercandalli.android.apps.files.file.FileManager; import com.mercandalli.android.apps.files.file.FileModel; import com.mercandalli.android.apps.files.file.FileModelAdapter; import com.mercandalli.android.apps.files.file.FileModelListener; import com.mercandalli.android.apps.files.file.FileTypeModelENUM; import com.mercandalli.android.apps.files.file.cloud.fab.FileCloudFabManager; import com.mercandalli.android.apps.files.file.local.FileLocalPagerFragment; import com.mercandalli.android.apps.files.main.Config; import com.mercandalli.android.apps.files.main.Constants; import com.mercandalli.android.apps.files.main.network.NetUtils; import com.mercandalli.android.library.base.dialog.DialogUtils; import org.json.JSONException; import org.json.JSONObject; import java.util.ArrayList; import java.util.List; import java.util.Stack; public class FileMyCloudFragment extends BackFragment implements FileLocalPagerFragment.ListController, SwipeRefreshLayout.OnRefreshListener, FileCloudFabManager.FabController { /** * A key for the view pager position. */ private static final String ARG_POSITION_IN_VIEW_PAGER = "FileMyCloudFragment.Args.ARG_POSITION_IN_VIEW_PAGER"; @NonNull private final ArrayList<FileModel> mFilesList = new ArrayList<>(); @NonNull private final Stack<Integer> mIdFileDirectoryStack = new Stack<>(); @NonNull private final List<FileModel> mFilesToCutList = new ArrayList<>(); private RecyclerView mRecyclerView; private FileModelAdapter mFileModelAdapter; private ProgressBar mProgressBar; private TextView mMessageTextView; private SwipeRefreshLayout mSwipeRefreshLayout; private int mPositionInViewPager; private boolean mForceFab0Hidden = false; private ScaleAnimationAdapter scaleAnimationAdapter; private FileManager mFileManager; private FileCloudFabManager mFileCloudFabManager; public static FileMyCloudFragment newInstance(final int positionInViewPager) { final FileMyCloudFragment fileMyCloudLocalFragment = new FileMyCloudFragment(); final Bundle args = new Bundle(); args.putInt(ARG_POSITION_IN_VIEW_PAGER, positionInViewPager); fileMyCloudLocalFragment.setArguments(args); return fileMyCloudLocalFragment; } @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); final Bundle args = getArguments(); if (!args.containsKey(ARG_POSITION_IN_VIEW_PAGER)) { throw new IllegalStateException("Missing args. Please use newInstance()"); } mPositionInViewPager = args.getInt(ARG_POSITION_IN_VIEW_PAGER); mFileCloudFabManager = FileCloudFabManager.getInstance(); mFileCloudFabManager.addFabController(mPositionInViewPager, this); mFileManager = FileManager.getInstance(getContext()); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { final View rootView = inflater.inflate(R.layout.fragment_file_files, container, false); final Activity activity = getActivity(); final String succeed = "succeed"; mProgressBar = (ProgressBar) rootView.findViewById(R.id.circularProgressBar); mMessageTextView = (TextView) rootView.findViewById(R.id.message); mSwipeRefreshLayout = (SwipeRefreshLayout) rootView .findViewById(R.id.fragment_file_files_swipe_refresh_layout); mSwipeRefreshLayout.setOnRefreshListener(this); mSwipeRefreshLayout.setColorSchemeResources(android.R.color.holo_blue_bright, android.R.color.holo_green_light, android.R.color.holo_orange_light, android.R.color.holo_red_light); mRecyclerView = (RecyclerView) rootView.findViewById(R.id.fragment_file_files_recycler_view); mRecyclerView.setHasFixedSize(true); final int nbColumn = getResources().getInteger(R.integer.column_number_card); if (nbColumn <= 1) { mRecyclerView.setLayoutManager(new LinearLayoutManager(activity)); } else { mRecyclerView.setLayoutManager(new GridLayoutManager(activity, nbColumn)); } resetPath(); mFileModelAdapter = new FileModelAdapter(getContext(), mFilesList, new FileModelListener() { @Override public void executeFileModel(final FileModel fileModel, final View view) { final AlertDialog.Builder menuAlert = new AlertDialog.Builder(getContext()); String[] menuList = { getString(R.string.download), getString(R.string.rename), getString(R.string.delete), getString(R.string.cut), getString(R.string.properties) }; if (!fileModel.isDirectory()) { if (FileTypeModelENUM.IMAGE.type.equals(fileModel.getType())) { menuList = new String[] { getString(R.string.download), getString(R.string.rename), getString(R.string.delete), getString(R.string.cut), getString(R.string.properties), (fileModel.isPublic()) ? "Become private" : "Become public", "Set as profile" }; } else if (FileTypeModelENUM.APK.type.equals(fileModel.getType()) && Config.isUserAdmin()) { menuList = new String[] { getString(R.string.download), getString(R.string.rename), getString(R.string.delete), getString(R.string.cut), getString(R.string.properties), (fileModel.isPublic()) ? "Become private" : "Become public", (fileModel.isApkUpdate()) ? "Remove the update" : "Set as update" }; } else { menuList = new String[] { getString(R.string.download), getString(R.string.rename), getString(R.string.delete), getString(R.string.cut), getString(R.string.properties), (fileModel.isPublic()) ? "Become private" : "Become public" }; } } menuAlert.setTitle(getString(R.string.action)); menuAlert.setItems(menuList, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int item) { switch (item) { case 0: mFileManager.download(getActivity(), fileModel, new IListener() { @Override public void execute() { Toast.makeText(getContext(), "Download finished.", Toast.LENGTH_SHORT).show(); } }); break; case 1: DialogUtils.prompt(getActivity(), "Rename", "Rename " + (fileModel.isDirectory() ? "directory" : "file") + " " + fileModel.getName() + " ?", "Ok", new DialogUtils.OnDialogUtilsStringListener() { @Override public void onDialogUtilsStringCalledBack(String text) { mFileManager.rename(fileModel, text, new IListener() { @Override public void execute() { if (mFilesToCutList.size() != 0) { mFilesToCutList.clear(); mFileCloudFabManager.updateFabButtons(); } refreshCurrentList(); } }); } }, "Cancel", null, fileModel.getFullName()); break; case 2: DialogUtils.alert(getActivity(), "Delete", "Delete " + (fileModel.isDirectory() ? "directory" : "file") + " " + fileModel.getName() + " ?", "Yes", new DialogUtils.OnDialogUtilsListener() { @Override public void onDialogUtilsCalledBack() { mFileManager.delete(fileModel, new IListener() { @Override public void execute() { if (mFilesToCutList.size() != 0) { mFilesToCutList.clear(); mFileCloudFabManager.updateFabButtons(); } refreshCurrentList(); } }); } }, "No", null); break; case 3: mFilesToCutList.add(fileModel); Toast.makeText(getContext(), "File ready to cut.", Toast.LENGTH_SHORT).show(); mFileCloudFabManager.updateFabButtons(); break; case 4: DialogUtils.alert(getActivity(), getString(R.string.properties) + " : " + fileModel.getName(), mFileManager.toSpanned(getContext(), fileModel), "OK", null, null, null); Html.fromHtml(""); break; case 5: mFileManager.setPublic(fileModel, !fileModel.isPublic(), new IListener() { @Override public void execute() { } }); break; case 6: // Picture set as profile if (FileTypeModelENUM.IMAGE.type.equals(fileModel.getType())) { List<StringPair> parameters = new ArrayList<>(); parameters.add(new StringPair("id_file_profile_picture", "" + fileModel.getId())); (new TaskPost(getActivity(), Constants.URL_DOMAIN + Config.ROUTE_USER_PUT, new IPostExecuteListener() { @Override public void onPostExecute(JSONObject json, String body) { try { if (json != null && json.has(succeed) && json.getBoolean(succeed)) { Config.setUserIdFileProfilePicture(getActivity(), fileModel.getId()); } } catch (JSONException e) { Log.e(getClass().getName(), "Failed to convert Json", e); } } }, parameters)).execute(); } else if (FileTypeModelENUM.APK.type.equals(fileModel.getType()) && Config.isUserAdmin()) { List<StringPair> parameters = new ArrayList<>(); parameters.add(new StringPair("is_apk_update", "" + !fileModel.isApkUpdate())); (new TaskPost(getActivity(), Constants.URL_DOMAIN + Config.ROUTE_FILE + "/" + fileModel.getId(), new IPostExecuteListener() { @Override public void onPostExecute(JSONObject json, String body) { try { if (json != null && json.has(succeed) && json.getBoolean(succeed)) { } } catch (JSONException e) { Log.e(getClass().getName(), "Failed to convert Json", e); } } }, parameters)).execute(); } break; } } }); AlertDialog menuDrop = menuAlert.create(); menuDrop.show(); } }, new FileModelAdapter.OnFileClickListener() { @Override public void onFileClick(View view, int position) { /* if (hasItemSelected()) { mFilesList.get(position).selected = !mFilesList.get(position).selected; mFileModelAdapter.notifyItemChanged(position); } else */ if (mFilesList.get(position).isDirectory()) { mIdFileDirectoryStack.add(mFilesList.get(position).getId()); refreshCurrentList(true); } else { mFileManager.execute(getActivity(), position, mFilesList, view); } } }, new FileModelAdapter.OnFileLongClickListener() { @Override public boolean onFileLongClick(View view, int position) { /* mFilesList.get(position).selected = !mFilesList.get(position).selected; mFileModelAdapter.notifyItemChanged(position); */ return true; } }); if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { scaleAnimationAdapter = new ScaleAnimationAdapter(mRecyclerView, mFileModelAdapter); scaleAnimationAdapter.setDuration(220); scaleAnimationAdapter.setOffsetDuration(32); mRecyclerView.setAdapter(scaleAnimationAdapter); } else { mRecyclerView.setAdapter(mFileModelAdapter); } refreshCurrentList(true); return rootView; } @Override public void refreshCurrentList() { if (!isAdded()) { return; } final boolean internetConnection = NetUtils.isInternetConnection(getContext()); if (!internetConnection || !Config.isLogged()) { mSwipeRefreshLayout.setRefreshing(false); mProgressBar.setVisibility(View.GONE); if (isAdded()) { mMessageTextView.setText(Config.isLogged() ? getString(R.string.no_internet_connection) : getString(R.string.no_logged)); } mMessageTextView.setVisibility(View.VISIBLE); if (!internetConnection) { mRecyclerView.setVisibility(View.GONE); mFileCloudFabManager.updateFabButtons(); } return; } mFileManager.getFiles( new FileModel.FileModelBuilder().id(mIdFileDirectoryStack.peek()).isOnline(true).build(), true, new ResultCallback<List<FileModel>>() { @Override public void success(List<FileModel> result) { mSwipeRefreshLayout.setRefreshing(false); mFilesList.clear(); mFilesList.addAll(result); updateAdapter(); } @Override public void failure() { Toast.makeText(getContext(), R.string.action_failed, Toast.LENGTH_SHORT).show(); mSwipeRefreshLayout.setRefreshing(false); } }); } @Override public void updateAdapter() { if (mRecyclerView != null && isAdded()) { if (mFilesList.size() == 0) { if (mIdFileDirectoryStack.peek() == -1) { mMessageTextView.setText(getString(R.string.no_file_server)); } else { mMessageTextView.setText(getString(R.string.no_file_directory)); } mMessageTextView.setVisibility(View.VISIBLE); } else { mMessageTextView.setVisibility(View.GONE); } mRecyclerView.scrollToPosition(0); scaleAnimationAdapter.reset(); mFileModelAdapter.setList(mFilesList); mFileCloudFabManager.updateFabButtons(); mProgressBar.setVisibility(View.GONE); mRecyclerView.setVisibility(View.VISIBLE); } } @Override public boolean back() { if (hasItemSelected()) { deselectAll(); return true; } else if (mIdFileDirectoryStack.peek() != -1) { mIdFileDirectoryStack.pop(); refreshCurrentList(); return true; } else if (mFilesToCutList.size() != 0) { mFilesToCutList.clear(); mFileCloudFabManager.updateFabButtons(); return true; } else { return false; } } //region FloatingActionButton @Override public void onFabClick( final @IntRange(from = 0, to = FileCloudFabManager.NUMBER_MAX_OF_FAB - 1) int fabPosition, final @NonNull FloatingActionButton floatingActionButton) { switch (fabPosition) { case 0: if (mFilesToCutList.size() != 0) { for (FileModel file : mFilesToCutList) { mFileManager.setParent(file, mIdFileDirectoryStack.peek(), new IListener() { @Override public void execute() { FileMyCloudFragment.this.refreshCurrentList(); } }); } mFilesToCutList.clear(); } else { mForceFab0Hidden = true; new FileAddDialog(getActivity(), mIdFileDirectoryStack.peek(), new IListener() { @Override public void execute() { refreshCurrentList(true); } }, new IListener() { // Dismiss @Override public void execute() { mForceFab0Hidden = false; FileMyCloudFragment.this.mFileCloudFabManager.updateFabButtons(); } }); } FileMyCloudFragment.this.mFileCloudFabManager.updateFabButtons(); break; case 1: if (mIdFileDirectoryStack.peek() != -1) { mIdFileDirectoryStack.pop(); refreshCurrentList(true); } break; } } @Override public boolean isFabVisible( final @IntRange(from = 0, to = FileCloudFabManager.NUMBER_MAX_OF_FAB - 1) int fabPosition) { if ((!NetUtils.isInternetConnection(getContext()) || !Config.isLogged())) { return false; } switch (fabPosition) { case 0: return !mForceFab0Hidden; case 1: return !(mIdFileDirectoryStack.size() == 0) && mIdFileDirectoryStack.peek() != -1; } return false; } @Override public int getFabImageResource( final @IntRange(from = 0, to = FileCloudFabManager.NUMBER_MAX_OF_FAB - 1) int fabPosition) { switch (fabPosition) { case 0: if (mFilesToCutList.size() != 0) { return R.drawable.ic_menu_paste_holo_dark; } else { return R.drawable.add; } case 1: return R.drawable.arrow_up; } return R.drawable.add; } //endregion FloatingActionButton /* @Override public void onFabClick(int fabId, final FloatingActionButton fab) { switch (fabId) { case 0: if (mFilesToCutList.size() != 0) { for (FileModel file : mFilesToCutList) { mFileManager.setParent(file, mIdFileDirectoryStack.peek(), new IListener() { @Override public void execute() { mApplicationCallback.refreshData(); } }); } mFilesToCutList.clear(); } else { fab.hide(); new FileAddDialog(getActivity(), mApplicationCallback, mIdFileDirectoryStack.peek(), new IListener() { @Override public void execute() { refreshCurrentList(true); } }, new IListener() { // Dismiss @Override public void execute() { fab.show(); } }); } refreshFab(); break; case 1: if (mIdFileDirectoryStack.peek() != -1) { mIdFileDirectoryStack.pop(); refreshCurrentList(true); } break; } } @Override public boolean isFabVisible(int fabId) { if (mApplicationCallback != null && (!NetUtils.isInternetConnection(getContext()) || !mApplicationCallback.isLogged())) { return false; } switch (fabId) { case 0: return true; case 1: return !(mIdFileDirectoryStack.size() == 0) && mIdFileDirectoryStack.peek() != -1; } return false; } @Override public int getFabImageResource(int fabId) { switch (fabId) { case 0: if (mFilesToCutList.size() != 0) { return R.drawable.ic_menu_paste_holo_dark; } else { return R.drawable.add; } case 1: return R.drawable.arrow_up; } return R.drawable.add; } */ @Override public void onRefresh() { refreshCurrentList(); } public boolean hasItemSelected() { /* for (ModelFile file : mFilesList) if (file.selected) return true; */ return false; } public void deselectAll() { /* for (ModelFile file : mFilesList) file.selected = false; */ updateAdapter(); } public void resetPath() { mIdFileDirectoryStack.clear(); mIdFileDirectoryStack.add(-1); } private void refreshCurrentList(final boolean showProgressBar) { if (showProgressBar) { mProgressBar.setVisibility(View.VISIBLE); mRecyclerView.setVisibility(View.GONE); mFileModelAdapter.setList(new ArrayList<FileModel>()); } refreshCurrentList(); } }