de.elanev.studip.android.app.frontend.forums.ForumEntryComposeFragment.java Source code

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Here is the source code for de.elanev.studip.android.app.frontend.forums.ForumEntryComposeFragment.java

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/*
 * Copyright (c) 2015 ELAN e.V.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 */

package de.elanev.studip.android.app.frontend.forums;

import android.app.Activity;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.Toast;

import org.apache.http.HttpException;

import java.util.concurrent.TimeoutException;

import de.elanev.studip.android.app.R;
import de.elanev.studip.android.app.backend.datamodel.ForumArea;
import de.elanev.studip.android.app.backend.datamodel.ForumEntry;
import de.elanev.studip.android.app.backend.datamodel.Server;
import de.elanev.studip.android.app.backend.net.services.StudIpLegacyApiService;
import de.elanev.studip.android.app.util.Prefs;
import de.elanev.studip.android.app.widget.ReactiveFragment;
import retrofit.RetrofitError;
import rx.Subscriber;
import rx.subscriptions.CompositeSubscription;

/**
 * @author joern
 */
public class ForumEntryComposeFragment extends ReactiveFragment {
    public static final String ENTRY_TYPE = ForumEntryComposeFragment.class.getName() + ".entry_type";
    private static final String TAG = ForumEntryComposeFragment.class.getSimpleName();
    private static String sEntryId;
    private static EntryType sEntryType;
    private final CompositeSubscription mCompositeSubscription = new CompositeSubscription();
    private Bundle mArgs;
    private EditText mSubjectEditText;
    private EditText mContentEditText;
    private boolean mSendButtonVisible = true;

    public static ForumEntryComposeFragment newInstance(Bundle args) {
        ForumEntryComposeFragment fragment = new ForumEntryComposeFragment();
        fragment.setArguments(args);

        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);

        mArgs = getArguments();

        if (mArgs != null) {
            sEntryType = (EntryType) mArgs.getSerializable(ENTRY_TYPE);
            sEntryId = mArgs.getString(ForumEntry.ID);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
            @Nullable Bundle savedInstanceState) {
        View v = inflater.inflate(R.layout.fragment_forum_area_create, container, false);
        mSubjectEditText = (EditText) v.findViewById(R.id.forum_area_subject);
        mContentEditText = (EditText) v.findViewById(R.id.forum_area_content);
        if (sEntryType == EntryType.REPLY_ENTRY) {
            mSubjectEditText.setVisibility(View.GONE);
        }

        return v;
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.forum_entry_compose_menu, menu);
        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public void onPrepareOptionsMenu(Menu menu) {
        super.onPrepareOptionsMenu(menu);
        menu.findItem(R.id.create_new_area).setVisible(mSendButtonVisible);

        ((AppCompatActivity) getActivity()).setSupportProgressBarIndeterminateVisibility(!mSendButtonVisible);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {

        if (isAdded()) {
            switch (item.getItemId()) {
            case android.R.id.home:
                getActivity().onBackPressed();
                return true;
            case R.id.create_new_area:
                createNewEntry();
                return true;
            default:
                return super.onOptionsItemSelected(item);
            }
        }

        return true;
    }

    private void createNewEntry() {
        setViewsVisible(false);
        String subject = mSubjectEditText.getText().toString();
        String content = mContentEditText.getText().toString();

        Server server = Prefs.getInstance(getActivity()).getServer();

        StudIpLegacyApiService legacyApiService = new StudIpLegacyApiService(server, getActivity());
        mCompositeSubscription.add(bind(legacyApiService.createForumEntry(sEntryId, subject, content))
                .subscribe(new Subscriber<ForumArea>() {
                    @Override
                    public void onCompleted() {
                        Toast.makeText(getActivity(), R.string.successfully_added, Toast.LENGTH_LONG).show();
                        getActivity().setResult(Activity.RESULT_OK);
                        getActivity().finish();
                    }

                    @Override
                    public void onError(Throwable e) {
                        if (e instanceof TimeoutException) {
                            Toast.makeText(getActivity(), "Request timed out", Toast.LENGTH_SHORT).show();
                        } else if (e instanceof RetrofitError || e instanceof HttpException) {
                            Toast.makeText(getActivity(), "Retrofit error or http exception", Toast.LENGTH_LONG)
                                    .show();
                            Log.e(TAG, e.getLocalizedMessage());
                        } else {
                            e.printStackTrace();
                            throw new RuntimeException("See inner exception");
                        }
                        setViewsVisible(true);
                    }

                    @Override
                    public void onNext(ForumArea forumArea) {
                    }
                }));
    }

    private void setViewsVisible(boolean state) {
        mSubjectEditText.setEnabled(state);
        mContentEditText.setEnabled(state);
        mSendButtonVisible = state;
        getActivity().supportInvalidateOptionsMenu();
    }

    public enum EntryType {
        NEW_ENTRY, REPLY_ENTRY
    }
}