Android Open Source - notes Note Details Fragment

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License

The source code is released under:

DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE Version 2, December 2004 Copyright (C) 2004 Sam Hocevar <sam@hocevar.net> Everyone is permitted to copy and distribute verbatim or...

Java Source Code

package com.iliakplv.notes.gui.main;
//  w w w. j  a  va2 s .  c o  m
import android.app.Activity;
import android.app.Fragment;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.util.Linkify;
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 com.iliakplv.notes.R;
import com.iliakplv.notes.notes.AbstractNote;
import com.iliakplv.notes.notes.TextNote;
import com.iliakplv.notes.notes.storage.NotesStorage;
import com.iliakplv.notes.notes.storage.Storage;
import com.iliakplv.notes.utils.AppLog;
import com.iliakplv.notes.utils.StringUtils;

import java.io.Serializable;

public class NoteDetailsFragment extends Fragment {

  public static final String TAG = NoteDetailsFragment.class.getSimpleName();
  public final static String ARG_NOTE_ID = "note_id";
  public final static String ARG_TITLE = "title";
  public final static String ARG_TEXT = "text";

  private final static String PREFS_KEY_LINKIFY = "linkify_note_text";
  private final static int LINKIFY_MASK = Linkify.WEB_URLS |
      Linkify.EMAIL_ADDRESSES |
      Linkify.PHONE_NUMBERS;

  private final NotesStorage storage = Storage.getStorage();

  private Serializable noteId;
  private boolean newNoteCreationMode;

  private EditText title;
  private EditText body;

  private String titleFromArgs;
  private String textFromArgs;

  private MainActivity mainActivity;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setHasOptionsMenu(true);
    noteId  = getArguments().getSerializable(ARG_NOTE_ID);
    newNoteCreationMode = MainActivity.NEW_NOTE.equals(noteId);
    titleFromArgs = getArguments().getString(ARG_TITLE);
    textFromArgs = getArguments().getString(ARG_TEXT);
    AppLog.d(TAG, "onCreate() call. Note id = " + noteId);
  }

  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    mainActivity = (MainActivity) activity;
  }

  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    final View view = inflater.inflate(R.layout.note_details, container, false);
    title = (EditText) view.findViewById(R.id.note_title);
    body = (EditText) view.findViewById(R.id.note_body);

    final boolean fromSaveInstanceState = savedInstanceState != null;

    if (!fromSaveInstanceState) {
      if (newNoteCreationMode) {
        title.setText(titleFromArgs);
        body.setText(textFromArgs);
      } else {
        final AbstractNote note = storage.getNote(noteId);
        if (note != null) {
          title.setText(note.getTitle());
          body.setText(note.getBody());
        }
      }
    }

    linkifyNoteBody();

    return view;
  }

  private void linkifyNoteBody() {
    final SharedPreferences sp =
        PreferenceManager.getDefaultSharedPreferences(getActivity());
    if (sp.getBoolean(PREFS_KEY_LINKIFY, false)) {
      Linkify.addLinks(body, LINKIFY_MASK);
    }
  }

  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    if (!mainActivity.isDrawerOpened()) {
      inflater.inflate(R.menu.note_menu, menu);
    } else {
      super.onCreateOptionsMenu(menu, inflater);
    }
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    final int itemId = item.getItemId();
    switch (itemId) {
      case R.id.action_save_changes:
        mainActivity.onBackPressed();
        return true;

      case R.id.action_discard_changes:
        if (newNoteCreationMode) {
          title.setText(titleFromArgs);
          body.setText(textFromArgs);
        } else {
          final AbstractNote note = storage.getNote(noteId);
          if (note != null) {
            title.setText(note.getTitle());
            body.setText(note.getBody());
          }
        }
        return true;
    }

    return super.onOptionsItemSelected(item);
  }


  public void onBackPressed() {
    saveNote();
  }

  private void saveNote() {
    final String LOG_PREFIX = "saveNote(): ";

    final String titleText = title.getText().toString();
    final String bodyText = body.getText().toString();
    
    if (newNoteCreationMode) {
      if (StringUtils.isNullOrEmpty(titleText) && StringUtils.isNullOrEmpty(bodyText)) {
        // new note is empty
        Toast.makeText(getActivity(), R.string.empty_note_not_saved, Toast.LENGTH_SHORT).show();
      } else {
        // create new note
        final Serializable newNoteId = storage.insertNote(new TextNote(titleText, bodyText));
        AppLog.d(TAG, LOG_PREFIX + "New note saved. Id = " + newNoteId);
      }
    } else {
      final AbstractNote note = storage.getNote(noteId);
      if (note != null) {
        if (!StringUtils.equals(note.getTitle(), titleText) ||
            !StringUtils.equals(note.getBody(), bodyText)) {
          // update current note if changed
          note.setTitle(titleText);
          note.setBody(bodyText);
          note.updateChangeTime();
          final boolean updated = storage.updateNote(noteId, note);
          AppLog.d(TAG, LOG_PREFIX + "Note data changed. Storage "
              + (updated ? "" : "NOT (!!!) ") + "updated.");
        } else {
          AppLog.d(TAG, LOG_PREFIX + "Note data not changed.");
        }
      } else {
        AppLog.d(TAG, LOG_PREFIX + "Note entry is null (!!!)");
      }
    }
  }
}

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