package com.zhuinden.simplestackdemoexamplefragments.presentation.paths.tasks;
import android.content.res.Resources;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.Snackbar;
import android.support.v4.content.ContextCompat;
import android.support.v7.util.DiffUtil;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.PopupMenu;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.zhuinden.simplestackdemoexamplefragments.R;
import com.zhuinden.simplestackdemoexamplefragments.application.Injector;
import com.zhuinden.simplestackdemoexamplefragments.application.MainActivity;
import com.zhuinden.simplestackdemoexamplefragments.presentation.objects.Task;
import com.zhuinden.simplestackdemoexamplefragments.util.BaseFragment;
import com.zhuinden.simplestackdemoexamplefragments.util.MessageQueue;
import com.zhuinden.simplestackdemoexamplefragments.util.ScrollChildSwipeRefreshLayout;
import org.javatuples.Pair;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.inject.Inject;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import butterknife.Unbinder;
import io.reactivex.Single;
/**
* Created by Owner on 2017. 01. 26..
*/
// UNSCOPED!
public class TasksFragment
extends BaseFragment<TasksFragment, TasksPresenter>
implements MessageQueue.Receiver {
public static class SavedSuccessfullyMessage {
}
public TasksFragment() {
}
@Inject
TasksPresenter tasksPresenter;
@Inject
Resources resources;
@Inject
MessageQueue messageQueue;
@OnClick(R.id.noTasksAdd)
void openAddNewTask() {
tasksPresenter.openAddNewTask();
}
@BindView(R.id.noTasks)
View noTasksView;
@BindView(R.id.noTasksIcon)
ImageView noTaskIcon;
@BindView(R.id.noTasksMain)
TextView noTaskMainView;
@BindView(R.id.noTasksAdd)
TextView noTaskAddView;
@BindView(R.id.tasksLL)
LinearLayout tasksView;
@BindView(R.id.filteringLabel)
TextView filterLabel;
@BindView(R.id.tasks_list)
RecyclerView listView;
@BindView(R.id.refresh_layout)
ScrollChildSwipeRefreshLayout swipeRefreshLayout;
TasksAdapter tasksAdapter;
TasksAdapter.TaskItemListener taskItemListener = new TasksAdapter.TaskItemListener() {
@Override
public void openTask(Task task) {
tasksPresenter.openTaskDetails(task);
}
@Override
public void completeTask(Task task) {
tasksPresenter.completeTask(task);
}
@Override
public void uncompleteTask(Task task) {
tasksPresenter.uncompleteTask(task);
}
};
@Override
public TasksPresenter getPresenter() {
return tasksPresenter;
}
@Override
public TasksFragment getThis() {
return this;
}
@Override
protected Unbinder bindViews(View view) {
return ButterKnife.bind(this, view);
}
@Override
protected void injectSelf() {
Injector.get().inject(this);
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = super.onCreateView(inflater, container, savedInstanceState);
tasksAdapter = new TasksAdapter(new ArrayList<>(0), taskItemListener);
listView.setLayoutManager(new LinearLayoutManager(view.getContext(), LinearLayoutManager.VERTICAL, false));
listView.setAdapter(tasksAdapter);
return view;
}
@Override
public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
swipeRefreshLayout.setColorSchemeColors(ContextCompat.getColor(getContext(), R.color.colorPrimary),
ContextCompat.getColor(getContext(), R.color.colorAccent),
ContextCompat.getColor(getContext(), R.color.colorPrimaryDark));
// Set the scrolling view in the custom SwipeRefreshLayout.
swipeRefreshLayout.setScrollUpChild(listView);
swipeRefreshLayout.setOnRefreshListener(this::refresh);
messageQueue.requestMessages(getKey(), this);
}
@Override
public void onDestroyView() {
if(swipeRefreshLayout != null) {
swipeRefreshLayout.setOnRefreshListener(null);
}
super.onDestroyView();
}
@Override
public void receiveMessage(Object message) {
if(message instanceof SavedSuccessfullyMessage) {
showSuccessfullySavedMessage();
}
}
public Pair<DiffUtil.DiffResult, List<Task>> calculateDiff(List<Task> tasks) {
return Pair.with(DiffUtil.calculateDiff(new TasksDiffCallback(tasksAdapter.getData(), tasks)), tasks);
}
public void hideEmptyViews() {
tasksView.setVisibility(View.VISIBLE);
noTasksView.setVisibility(View.GONE);
}
public void showTasks(Pair<DiffUtil.DiffResult, List<Task>> pairOfDiffResultAndTasks, TasksFilterType filterType) {
if(tasksAdapter != null) {
DiffUtil.DiffResult diffResult = pairOfDiffResultAndTasks.getValue0();
List<Task> tasks = pairOfDiffResultAndTasks.getValue1();
tasksAdapter.setData(tasks);
diffResult.dispatchUpdatesTo(tasksAdapter);
if(tasks.isEmpty()) {
filterType.showEmptyViews(this);
} else {
hideEmptyViews();
}
}
}
public void showFilteringPopupMenu() {
PopupMenu popup = new PopupMenu(getContext(), MainActivity.get(getContext()).findViewById(R.id.menu_filter));
popup.getMenuInflater().inflate(R.menu.filter_tasks, popup.getMenu());
popup.setOnMenuItemClickListener(item -> {
switch(item.getItemId()) {
case R.id.active:
tasksPresenter.setFiltering(TasksFilterType.ACTIVE_TASKS);
break;
case R.id.completed:
tasksPresenter.setFiltering(TasksFilterType.COMPLETED_TASKS);
break;
default:
tasksPresenter.setFiltering(TasksFilterType.ALL_TASKS);
break;
}
//loadTasks(false); // reactive data source ftw
return true;
});
popup.show();
}
public void clearCompletedTasks() {
tasksPresenter.deleteCompletedTasks();
}
public void refresh() {
swipeRefreshLayout.setRefreshing(true);
Single.just("").delay(2500, TimeUnit.MILLISECONDS).subscribe(ignored -> { // TODO: do something useful
if(swipeRefreshLayout != null) {
swipeRefreshLayout.setRefreshing(false);
}
});
}
public void showNoActiveTasks() {
showNoTasksViews(resources.getString(R.string.no_tasks_active), R.drawable.ic_check_circle_24dp, false);
}
public void showNoTasks() {
showNoTasksViews(resources.getString(R.string.no_tasks_all), R.drawable.ic_assignment_turned_in_24dp, false);
}
public void showNoCompletedTasks() {
showNoTasksViews(resources.getString(R.string.no_tasks_completed), R.drawable.ic_verified_user_24dp, false);
}
public void showTaskMarkedComplete() {
showMessage(resources.getString(R.string.task_marked_complete));
}
public void showTaskMarkedActive() {
showMessage(resources.getString(R.string.task_marked_active));
}
public void showCompletedTasksCleared() {
showMessage(resources.getString(R.string.completed_tasks_cleared));
}
public void showLoadingTasksError() {
showMessage(resources.getString(R.string.loading_tasks_error));
}
public void showSuccessfullySavedMessage() {
showMessage(resources.getString(R.string.successfully_saved_task_message));
}
private void showMessage(String message) {
if(getView() != null) {
Snackbar.make(getView(), message, Snackbar.LENGTH_LONG).show();
}
}
private void showNoTasksViews(String mainText, int iconRes, boolean showAddView) {
tasksView.setVisibility(View.GONE);
noTasksView.setVisibility(View.VISIBLE);
noTaskMainView.setText(mainText);
noTaskIcon.setImageDrawable(resources.getDrawable(iconRes));
noTaskAddView.setVisibility(showAddView ? View.VISIBLE : View.GONE);
}
public void setFilterLabelText(int filterText) {
filterLabel.setText(filterText);
}
@Override
public boolean onOptionsItemSelected(MenuItem menuItem) {
switch(menuItem.getItemId()) {
case R.id.menu_filter:
showFilteringPopupMenu();
return true;
case R.id.menu_clear:
clearCompletedTasks();
return true;
case R.id.menu_refresh:
refresh();
return true;
default:
}
return false;
}
}