Android Open Source - adventure.datetime Author Edit

From Project

Back to project page adventure.datetime.
License

The source code is released under:
MIT License
If you think the Android project adventure.datetime listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.
Java Source Code

/*
 *  Copyright (c) 2013 Andrew Fontaine, James Finlay, Jesse Tucker, Jacob Viau, and
 *   Evan DeGraff/*from w ww. j av a  2 s .c  o m*/
 *
 *   Permission is hereby granted, free of charge, to any person obtaining a copy of
 *   this software and associated documentation files (the "Software"), to deal in
 *   the Software without restriction, including without limitation the rights to
 *   use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 *   the Software, and to permit persons to whom the Software is furnished to do so,
 *   subject to the following conditions:
 *
 *   The above copyright notice and this permission notice shall be included in all
 *   copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 *   FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 *   COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 *   IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package ca.cmput301f13t03.adventure_datetime.view;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.AlertDialog;
import android.app.FragmentTransaction;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.view.ViewPager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
import ca.cmput301f13t03.adventure_datetime.R;
import ca.cmput301f13t03.adventure_datetime.model.Interfaces.ICurrentFragmentListener;
import ca.cmput301f13t03.adventure_datetime.model.Interfaces.ICurrentStoryListener;
import ca.cmput301f13t03.adventure_datetime.model.Story;
import ca.cmput301f13t03.adventure_datetime.model.StoryFragment;
import ca.cmput301f13t03.adventure_datetime.serviceLocator.Locator;
import ca.cmput301f13t03.adventure_datetime.view.treeView.TreeView;

/**
 * 
 * View containing three fragments/tabs:
 *  - AuthorEdit_Preview
 *  - AuthorEdit_Overview
 *  - AuthorEdit_Edit
 * 
 * @author James Finlay
 *
 */
public class AuthorEdit extends FragmentActivity 
implements   ICurrentFragmentListener, 
ICurrentStoryListener,
IFragmentSelected
{

  public static final int OVERVIEW_INDEX = 0;
  public static final int EDIT_INDEX = 1;
  public static final int PREVIEW_INDEX = 2;
  // make sure to update this if we add a tab!
  public static final int INDEX_COUNT = 3;

  private static final String TAG = "AuthorEdit";

  private ViewPager _viewPager;
  private ViewPagerAdapter _adapter;
  private Story _story;
  private StoryFragment _fragment;
  private boolean _deletingFragment = false;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.viewpager);

    /* Set up View Pager */
    _adapter = new ViewPagerAdapter(getSupportFragmentManager(), this);
    _viewPager = (ViewPager) findViewById(R.id.pager);
    _viewPager.setAdapter(_adapter);
    
    if(_fragment != null)
    {
      _adapter.setFragment(_fragment);
    }

    /* Set up Tabs */
    final ActionBar actionBar = getActionBar();
    actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
    ActionBar.TabListener tabListener = new ActionBar.TabListener() {
      @Override
      public void onTabReselected(Tab tab, FragmentTransaction ft) {}

      @Override
      public void onTabSelected(Tab tab, FragmentTransaction ft) 
      {
        int index = tab.getPosition();
        if(index != OVERVIEW_INDEX)
        {
          _adapter.CancelActions();
        }
        
        invalidateOptionsMenu();
        
        _viewPager.setCurrentItem(index);
      }
      @Override
      public void onTabUnselected(Tab tab, FragmentTransaction ft) {}
    };

    actionBar.addTab(actionBar.newTab()
        .setText("Overview")
        .setTabListener(tabListener));
    actionBar.addTab(actionBar.newTab()
        .setText("Edit")
        .setTabListener(tabListener));
    actionBar.addTab(actionBar.newTab()
        .setText("Preview")
        .setTabListener(tabListener));

    /* Change tabs when View Pager swiped */
    _viewPager.setOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
      @Override
      public void onPageSelected(int position) 
      {
        getActionBar().setSelectedNavigationItem(position);
        invalidateOptionsMenu();
        
        _deletingFragment = false;
        if(_viewPager.getCurrentItem() != OVERVIEW_INDEX)
        {
          _adapter.CancelActions();
        }
      }
    });

    // Select 'Overview' at start
    getActionBar().setSelectedNavigationItem(OVERVIEW_INDEX);

  }
  @Override
  public void onResume() {
    Locator.getPresenter().Subscribe((ICurrentFragmentListener)this);
    Locator.getPresenter().Subscribe((ICurrentStoryListener)this);
    super.onResume();
  }
  @Override
  public void onPause() {
    Locator.getPresenter().Unsubscribe((ICurrentFragmentListener)this);
    Locator.getPresenter().Unsubscribe((ICurrentStoryListener)this);
    super.onPause();
  }
  @Override
  public void OnCurrentFragmentChange(StoryFragment newFragment) {
    _fragment = newFragment;
    _adapter.setFragment(newFragment);
  }
  @Override
  public void OnCurrentStoryChange(Story newStory) 
  {
    _story = newStory;
  }
  @Override
  public boolean onCreateOptionsMenu(Menu menu) 
  {
    if(_viewPager.getCurrentItem() == OVERVIEW_INDEX)
    {
      getMenuInflater().inflate(R.menu.authoroverview, menu);
    }
    else
    {
      getMenuInflater().inflate(R.menu.authoredit, menu);
    }

    return true;    
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {

    switch (item.getItemId()) {
    case R.id.action_back:
      finish();
      break;
    case R.id.action_save:
      Locator.getAuthorController().saveStory();
      Toast.makeText(getApplicationContext(), "Saved Fragment!", Toast.LENGTH_SHORT).show();
      break;
    case R.id.action_discard:
      DoDeleteFragment();
      break;
    case R.id.action_addFragment:
      StoryFragment newFrag = Locator.getAuthorController().CreateFragment();
      Locator.getAuthorController().selectFragment(newFrag.getFragmentID());
      _viewPager.setCurrentItem(EDIT_INDEX);
      break;
    default:
    }
    return super.onOptionsItemSelected(item);
  }

  private void DoDeleteFragment()
  {
    if(_viewPager.getCurrentItem() == OVERVIEW_INDEX)
    {
      _deletingFragment = true;
      Toast.makeText(getApplicationContext(), "Select a Fragment to delete...", Toast.LENGTH_SHORT).show();
    }
    else
    {
      DeleteFragment(_fragment);
    }
  }
  
  private void DeleteFragment(final StoryFragment frag)
  {
    final int TXT_LIMIT = 10;
    
    String fragText = frag.getStoryText();
    
    if(fragText.length() > TXT_LIMIT)
    {
      fragText = fragText.substring(0, TXT_LIMIT) + "...";
    }
    
    /* Ensure user is not retarded and actually wants to do this */
    new AlertDialog.Builder(this)
    .setTitle("Delete Story Fragment")
    .setMessage("This will delete \"" + fragText + "\"\nYou cannot undo.")
    .setCancelable(true)
    .setPositiveButton("Delete", new OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
        if (_story.getHeadFragmentId().equals(frag.getFragmentID())) {
          Toast.makeText(getApplicationContext(), 
              "Cannot delete Head Fragment", Toast.LENGTH_LONG).show();
        } else {
          Locator.getAuthorController().deleteFragment(frag.getFragmentID());
          Locator.getAuthorController().selectFragment(_story.getHeadFragmentId());
        }
      }
    })
    .setNegativeButton("Cancel", new OnClickListener() {
      @Override
      public void onClick(DialogInterface dialog, int which) {
        dialog.cancel();
      }
    })
    .create().show();
  }

  public void OnFragmentSelected(StoryFragment selectedFragment) 
  {
    if(_deletingFragment)
    {
      _deletingFragment = false;
      DeleteFragment(selectedFragment);
    }
    else
    {
      getActionBar().setSelectedNavigationItem(EDIT_INDEX);
      Locator.getAuthorController().selectFragment(selectedFragment.getFragmentID());
    }
  }

  // fuck this is ugly
  public interface OnCreatedCallback
  {
    public void OnCreated(TreeView newTreeView);
  }

  public class ViewPagerAdapter extends FragmentPagerAdapter implements OnCreatedCallback
  {
    private AuthorEdit_Edit _edit;
    private AuthorEdit_Overview _overview;
    private FragmentView _preview;

    public ViewPagerAdapter(FragmentManager fm, IFragmentSelected callback) {
      super(fm);

      _overview = new AuthorEdit_Overview();
      _overview.SetFragmentSelectionCallback(callback);
      _overview.SetOnCreatedCallback(this);

      _edit = new AuthorEdit_Edit();
      _edit.SetActionBar(getActionBar());

      _preview = new FragmentView();
      _preview.SetIsEditing(true);
    }

    @Override
    public Fragment getItem(int i) {
      switch (i) {
      case OVERVIEW_INDEX:
        return _overview;
      case EDIT_INDEX:
        return _edit;
      case PREVIEW_INDEX:
        return _preview;
      default:
        Log.e(TAG, "invalid item #");
        return null;
      }
    }
    public void setFragment(StoryFragment sf) {
      _edit.setFragment(sf);
    }
    
    public void CancelActions()
    {
      _edit.CancelPendingActions();
    }

    @Override
    public int getCount() {
      return INDEX_COUNT;
    }

    @Override
    public CharSequence getPageTitle(int position) {
      switch (position) {
      case EDIT_INDEX: return "Edit";
      case OVERVIEW_INDEX: return "Overview";
      case PREVIEW_INDEX: return "Preview";
      default: return "It be a Pirate!";
      }
    }

    public void OnCreated(TreeView newTreeView) 
    {
      _edit.SetTreeView(newTreeView);
    }
  }
}
Java Source Code List
