EditEventFragment.java revision 96a36f4cb7803d50ecf47945b6a240926f48e7c3 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.calendar.event;
18
19import android.app.Activity;
20import android.app.AlertDialog;
21import android.app.Fragment;
22import android.app.FragmentManager;
23import android.content.AsyncQueryHandler;
24import android.content.ContentProviderOperation;
25import android.content.ContentResolver;
26import android.content.ContentUris;
27import android.content.ContentValues;
28import android.content.Context;
29import android.content.DialogInterface;
30import android.content.DialogInterface.OnCancelListener;
31import android.content.DialogInterface.OnClickListener;
32import android.content.Intent;
33import android.database.Cursor;
34import android.database.MatrixCursor;
35import android.net.Uri;
36import android.os.Bundle;
37import android.provider.CalendarContract.Attendees;
38import android.provider.CalendarContract.Calendars;
39import android.provider.CalendarContract.Colors;
40import android.provider.CalendarContract.Events;
41import android.provider.CalendarContract.Reminders;
42import android.text.TextUtils;
43import android.text.format.Time;
44import android.util.Log;
45import android.view.LayoutInflater;
46import android.view.Menu;
47import android.view.MenuInflater;
48import android.view.MenuItem;
49import android.view.View;
50import android.view.ViewGroup;
51import android.view.inputmethod.InputMethodManager;
52import android.widget.LinearLayout;
53import android.widget.Toast;
54
55import com.android.calendar.AsyncQueryService;
56import com.android.calendar.CalendarController;
57import com.android.calendar.CalendarController.EventHandler;
58import com.android.calendar.CalendarController.EventInfo;
59import com.android.calendar.CalendarController.EventType;
60import com.android.calendar.CalendarEventModel;
61import com.android.calendar.CalendarEventModel.Attendee;
62import com.android.calendar.CalendarEventModel.ReminderEntry;
63import com.android.calendar.DeleteEventHelper;
64import com.android.calendar.R;
65import com.android.calendar.Utils;
66import com.android.colorpicker.ColorPickerSwatch.OnColorSelectedListener;
67import com.android.colorpicker.HsvColorComparator;
68
69import java.io.Serializable;
70import java.util.ArrayList;
71import java.util.Collections;
72
73public class EditEventFragment extends Fragment implements EventHandler, OnColorSelectedListener {
74    private static final String TAG = "EditEventActivity";
75    private static final String COLOR_PICKER_DIALOG_TAG = "ColorPickerDialog";
76
77    private static final int REQUEST_CODE_COLOR_PICKER = 0;
78
79    private static final String BUNDLE_KEY_MODEL = "key_model";
80    private static final String BUNDLE_KEY_EDIT_STATE = "key_edit_state";
81    private static final String BUNDLE_KEY_EVENT = "key_event";
82    private static final String BUNDLE_KEY_READ_ONLY = "key_read_only";
83    private static final String BUNDLE_KEY_EDIT_ON_LAUNCH = "key_edit_on_launch";
84    private static final String BUNDLE_KEY_SHOW_COLOR_PALETTE = "show_color_palette";
85
86    private static final String BUNDLE_KEY_DATE_BUTTON_CLICKED = "date_button_clicked";
87
88    private static final boolean DEBUG = false;
89
90    private static final int TOKEN_EVENT = 1;
91    private static final int TOKEN_ATTENDEES = 1 << 1;
92    private static final int TOKEN_REMINDERS = 1 << 2;
93    private static final int TOKEN_CALENDARS = 1 << 3;
94    private static final int TOKEN_COLORS = 1 << 4;
95
96    private static final int TOKEN_ALL = TOKEN_EVENT | TOKEN_ATTENDEES | TOKEN_REMINDERS
97            | TOKEN_CALENDARS | TOKEN_COLORS;
98    private static final int TOKEN_UNITIALIZED = 1 << 31;
99
100    /**
101     * A bitfield of TOKEN_* to keep track which query hasn't been completed
102     * yet. Once all queries have returned, the model can be applied to the
103     * view.
104     */
105    private int mOutstandingQueries = TOKEN_UNITIALIZED;
106
107    EditEventHelper mHelper;
108    CalendarEventModel mModel;
109    CalendarEventModel mOriginalModel;
110    CalendarEventModel mRestoreModel;
111    EditEventView mView;
112    QueryHandler mHandler;
113
114    private AlertDialog mModifyDialog;
115    int mModification = Utils.MODIFY_UNINITIALIZED;
116
117    private final EventInfo mEvent;
118    private EventBundle mEventBundle;
119    private ArrayList<ReminderEntry> mReminders;
120    private int mEventColor;
121    private boolean mEventColorInitialized = false;
122    private Uri mUri;
123    private long mBegin;
124    private long mEnd;
125    private long mCalendarId = -1;
126
127    private EventColorPickerDialog mColorPickerDialog;
128
129    private Activity mContext;
130    private final Done mOnDone = new Done();
131
132    private boolean mSaveOnDetach = true;
133    private boolean mIsReadOnly = false;
134    public boolean mShowModifyDialogOnLaunch = false;
135    private boolean mShowColorPalette = false;
136
137    private boolean mTimeSelectedWasStartTime;
138    private boolean mDateSelectedWasStartDate;
139
140    private InputMethodManager mInputMethodManager;
141
142    private final Intent mIntent;
143
144    private boolean mUseCustomActionBar;
145
146    private final View.OnClickListener mActionBarListener = new View.OnClickListener() {
147        @Override
148        public void onClick(View v) {
149            onActionBarItemSelected(v.getId());
150        }
151    };
152
153    // TODO turn this into a helper function in EditEventHelper for building the
154    // model
155    private class QueryHandler extends AsyncQueryHandler {
156        public QueryHandler(ContentResolver cr) {
157            super(cr);
158        }
159
160        @Override
161        protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
162            // If the query didn't return a cursor for some reason return
163            if (cursor == null) {
164                return;
165            }
166
167            // If the Activity is finishing, then close the cursor.
168            // Otherwise, use the new cursor in the adapter.
169            final Activity activity = EditEventFragment.this.getActivity();
170            if (activity == null || activity.isFinishing()) {
171                cursor.close();
172                return;
173            }
174            long eventId;
175            switch (token) {
176                case TOKEN_EVENT:
177                    if (cursor.getCount() == 0) {
178                        // The cursor is empty. This can happen if the event
179                        // was deleted.
180                        cursor.close();
181                        mOnDone.setDoneCode(Utils.DONE_EXIT);
182                        mSaveOnDetach = false;
183                        mOnDone.run();
184                        return;
185                    }
186                    mOriginalModel = new CalendarEventModel();
187                    EditEventHelper.setModelFromCursor(mOriginalModel, cursor);
188                    EditEventHelper.setModelFromCursor(mModel, cursor);
189                    cursor.close();
190
191                    mOriginalModel.mUri = mUri.toString();
192
193                    mModel.mUri = mUri.toString();
194                    mModel.mOriginalStart = mBegin;
195                    mModel.mOriginalEnd = mEnd;
196                    mModel.mIsFirstEventInSeries = mBegin == mOriginalModel.mStart;
197                    mModel.mStart = mBegin;
198                    mModel.mEnd = mEnd;
199                    if (mEventColorInitialized) {
200                        mModel.setEventColor(mEventColor);
201                    }
202                    eventId = mModel.mId;
203
204                    // TOKEN_ATTENDEES
205                    if (mModel.mHasAttendeeData && eventId != -1) {
206                        Uri attUri = Attendees.CONTENT_URI;
207                        String[] whereArgs = {
208                            Long.toString(eventId)
209                        };
210                        mHandler.startQuery(TOKEN_ATTENDEES, null, attUri,
211                                EditEventHelper.ATTENDEES_PROJECTION,
212                                EditEventHelper.ATTENDEES_WHERE /* selection */,
213                                whereArgs /* selection args */, null /* sort order */);
214                    } else {
215                        setModelIfDone(TOKEN_ATTENDEES);
216                    }
217
218                    // TOKEN_REMINDERS
219                    if (mModel.mHasAlarm && mReminders == null) {
220                        Uri rUri = Reminders.CONTENT_URI;
221                        String[] remArgs = {
222                                Long.toString(eventId)
223                        };
224                        mHandler.startQuery(TOKEN_REMINDERS, null, rUri,
225                                EditEventHelper.REMINDERS_PROJECTION,
226                                EditEventHelper.REMINDERS_WHERE /* selection */,
227                                remArgs /* selection args */, null /* sort order */);
228                    } else {
229                        if (mReminders == null) {
230                            // mReminders should not be null.
231                            mReminders = new ArrayList<ReminderEntry>();
232                        } else {
233                            Collections.sort(mReminders);
234                        }
235                        mOriginalModel.mReminders = mReminders;
236                        mModel.mReminders =
237                                (ArrayList<ReminderEntry>) mReminders.clone();
238                        setModelIfDone(TOKEN_REMINDERS);
239                    }
240
241                    // TOKEN_CALENDARS
242                    String[] selArgs = {
243                        Long.toString(mModel.mCalendarId)
244                    };
245                    mHandler.startQuery(TOKEN_CALENDARS, null, Calendars.CONTENT_URI,
246                            EditEventHelper.CALENDARS_PROJECTION, EditEventHelper.CALENDARS_WHERE,
247                            selArgs /* selection args */, null /* sort order */);
248
249                    setModelIfDone(TOKEN_EVENT);
250                    break;
251                case TOKEN_ATTENDEES:
252                    try {
253                        while (cursor.moveToNext()) {
254                            String name = cursor.getString(EditEventHelper.ATTENDEES_INDEX_NAME);
255                            String email = cursor.getString(EditEventHelper.ATTENDEES_INDEX_EMAIL);
256                            int status = cursor.getInt(EditEventHelper.ATTENDEES_INDEX_STATUS);
257                            int relationship = cursor
258                                    .getInt(EditEventHelper.ATTENDEES_INDEX_RELATIONSHIP);
259                            if (relationship == Attendees.RELATIONSHIP_ORGANIZER) {
260                                if (email != null) {
261                                    mModel.mOrganizer = email;
262                                    mModel.mIsOrganizer = mModel.mOwnerAccount
263                                            .equalsIgnoreCase(email);
264                                    mOriginalModel.mOrganizer = email;
265                                    mOriginalModel.mIsOrganizer = mOriginalModel.mOwnerAccount
266                                            .equalsIgnoreCase(email);
267                                }
268
269                                if (TextUtils.isEmpty(name)) {
270                                    mModel.mOrganizerDisplayName = mModel.mOrganizer;
271                                    mOriginalModel.mOrganizerDisplayName =
272                                            mOriginalModel.mOrganizer;
273                                } else {
274                                    mModel.mOrganizerDisplayName = name;
275                                    mOriginalModel.mOrganizerDisplayName = name;
276                                }
277                            }
278
279                            if (email != null) {
280                                if (mModel.mOwnerAccount != null &&
281                                        mModel.mOwnerAccount.equalsIgnoreCase(email)) {
282                                    int attendeeId =
283                                        cursor.getInt(EditEventHelper.ATTENDEES_INDEX_ID);
284                                    mModel.mOwnerAttendeeId = attendeeId;
285                                    mModel.mSelfAttendeeStatus = status;
286                                    mOriginalModel.mOwnerAttendeeId = attendeeId;
287                                    mOriginalModel.mSelfAttendeeStatus = status;
288                                    continue;
289                                }
290                            }
291                            Attendee attendee = new Attendee(name, email);
292                            attendee.mStatus = status;
293                            mModel.addAttendee(attendee);
294                            mOriginalModel.addAttendee(attendee);
295                        }
296                    } finally {
297                        cursor.close();
298                    }
299
300                    setModelIfDone(TOKEN_ATTENDEES);
301                    break;
302                case TOKEN_REMINDERS:
303                    try {
304                        // Add all reminders to the models
305                        while (cursor.moveToNext()) {
306                            int minutes = cursor.getInt(EditEventHelper.REMINDERS_INDEX_MINUTES);
307                            int method = cursor.getInt(EditEventHelper.REMINDERS_INDEX_METHOD);
308                            ReminderEntry re = ReminderEntry.valueOf(minutes, method);
309                            mModel.mReminders.add(re);
310                            mOriginalModel.mReminders.add(re);
311                        }
312
313                        // Sort appropriately for display
314                        Collections.sort(mModel.mReminders);
315                        Collections.sort(mOriginalModel.mReminders);
316                    } finally {
317                        cursor.close();
318                    }
319
320                    setModelIfDone(TOKEN_REMINDERS);
321                    break;
322                case TOKEN_CALENDARS:
323                    try {
324                        if (mModel.mId == -1) {
325                            // Populate Calendar spinner only if no event id is set.
326                            MatrixCursor matrixCursor = Utils.matrixCursorFromCursor(cursor);
327                            if (DEBUG) {
328                                Log.d(TAG, "onQueryComplete: setting cursor with "
329                                        + matrixCursor.getCount() + " calendars");
330                            }
331                            mView.setCalendarsCursor(matrixCursor, isAdded() && isResumed(),
332                                    mCalendarId);
333                        } else {
334                            // Populate model for an existing event
335                            EditEventHelper.setModelFromCalendarCursor(mModel, cursor);
336                            EditEventHelper.setModelFromCalendarCursor(mOriginalModel, cursor);
337                        }
338                        startQuery(TOKEN_COLORS, null, Colors.CONTENT_URI,
339                                EditEventHelper.COLORS_PROJECTION,
340                                Colors.COLOR_TYPE + "=" + Colors.TYPE_EVENT, null, null);
341                    } finally {
342                        cursor.close();
343                    }
344                    setModelIfDone(TOKEN_CALENDARS);
345                    break;
346                case TOKEN_COLORS:
347                    if (cursor.moveToFirst()) {
348                        EventColorCache cache = new EventColorCache();
349                        do
350                        {
351                            int colorKey = cursor.getInt(EditEventHelper.COLORS_INDEX_COLOR_KEY);
352                            int rawColor = cursor.getInt(EditEventHelper.COLORS_INDEX_COLOR);
353                            int displayColor = Utils.getDisplayColorFromColor(rawColor);
354                            String accountName = cursor
355                                    .getString(EditEventHelper.COLORS_INDEX_ACCOUNT_NAME);
356                            String accountType = cursor
357                                    .getString(EditEventHelper.COLORS_INDEX_ACCOUNT_TYPE);
358                            cache.insertColor(accountName, accountType,
359                                    displayColor, colorKey);
360                        } while (cursor.moveToNext());
361                        cache.sortPalettes(new HsvColorComparator());
362
363                        mModel.mEventColorCache = cache;
364                        mView.mColorPickerNewEvent.setOnClickListener(mOnColorPickerClicked);
365                        mView.mColorPickerExistingEvent.setOnClickListener(mOnColorPickerClicked);
366                    }
367                    if (cursor != null) {
368                        cursor.close();
369                    }
370
371                    // If the account name/type is null, the calendar event colors cannot be
372                    // determined, so take the default/savedInstanceState value.
373                    if (mModel.mCalendarAccountName == null
374                           || mModel.mCalendarAccountType == null) {
375                        mView.setColorPickerButtonStates(mShowColorPalette);
376                    } else {
377                        mView.setColorPickerButtonStates(mModel.getCalendarEventColors());
378                    }
379
380                    setModelIfDone(TOKEN_COLORS);
381                    break;
382                default:
383                    cursor.close();
384                    break;
385            }
386        }
387    }
388
389    private View.OnClickListener mOnColorPickerClicked = new View.OnClickListener() {
390
391        @Override
392        public void onClick(View v) {
393            int[] colors = mModel.getCalendarEventColors();
394            if (mColorPickerDialog == null) {
395                mColorPickerDialog = EventColorPickerDialog.newInstance(colors,
396                        mModel.getEventColor(), mModel.getCalendarColor(), mView.mIsMultipane);
397                mColorPickerDialog.setOnColorSelectedListener(EditEventFragment.this);
398            } else {
399                mColorPickerDialog.setCalendarColor(mModel.getCalendarColor());
400                mColorPickerDialog.setColors(colors, mModel.getEventColor());
401            }
402            final FragmentManager fragmentManager = getFragmentManager();
403            fragmentManager.executePendingTransactions();
404            if (!mColorPickerDialog.isAdded()) {
405                mColorPickerDialog.show(fragmentManager, COLOR_PICKER_DIALOG_TAG);
406            }
407        }
408    };
409
410    private void setModelIfDone(int queryType) {
411        synchronized (this) {
412            mOutstandingQueries &= ~queryType;
413            if (mOutstandingQueries == 0) {
414                if (mRestoreModel != null) {
415                    mModel = mRestoreModel;
416                }
417                if (mShowModifyDialogOnLaunch && mModification == Utils.MODIFY_UNINITIALIZED) {
418                    if (!TextUtils.isEmpty(mModel.mRrule)) {
419                        displayEditWhichDialog();
420                    } else {
421                        mModification = Utils.MODIFY_ALL;
422                    }
423
424                }
425                mView.setModel(mModel);
426                mView.setModification(mModification);
427            }
428        }
429    }
430
431    public EditEventFragment() {
432        this(null, null, false, -1, false, null);
433    }
434
435    public EditEventFragment(EventInfo event, ArrayList<ReminderEntry> reminders,
436            boolean eventColorInitialized, int eventColor, boolean readOnly, Intent intent) {
437        mEvent = event;
438        mIsReadOnly = readOnly;
439        mIntent = intent;
440
441        mReminders = reminders;
442        mEventColorInitialized = eventColorInitialized;
443        if (eventColorInitialized) {
444            mEventColor = eventColor;
445        }
446        setHasOptionsMenu(true);
447    }
448
449    @Override
450    public void onActivityCreated(Bundle savedInstanceState) {
451        super.onActivityCreated(savedInstanceState);
452        mColorPickerDialog = (EventColorPickerDialog) getActivity().getFragmentManager()
453                .findFragmentByTag(COLOR_PICKER_DIALOG_TAG);
454        if (mColorPickerDialog != null) {
455            mColorPickerDialog.setOnColorSelectedListener(this);
456        }
457    }
458
459    private void startQuery() {
460        mUri = null;
461        mBegin = -1;
462        mEnd = -1;
463        if (mEvent != null) {
464            if (mEvent.id != -1) {
465                mModel.mId = mEvent.id;
466                mUri = ContentUris.withAppendedId(Events.CONTENT_URI, mEvent.id);
467            } else {
468                // New event. All day?
469                mModel.mAllDay = mEvent.extraLong == CalendarController.EXTRA_CREATE_ALL_DAY;
470            }
471            if (mEvent.startTime != null) {
472                mBegin = mEvent.startTime.toMillis(true);
473            }
474            if (mEvent.endTime != null) {
475                mEnd = mEvent.endTime.toMillis(true);
476            }
477            if (mEvent.calendarId != -1) {
478                mCalendarId = mEvent.calendarId;
479            }
480        } else if (mEventBundle != null) {
481            if (mEventBundle.id != -1) {
482                mModel.mId = mEventBundle.id;
483                mUri = ContentUris.withAppendedId(Events.CONTENT_URI, mEventBundle.id);
484            }
485            mBegin = mEventBundle.start;
486            mEnd = mEventBundle.end;
487        }
488
489        if (mReminders != null) {
490            mModel.mReminders = mReminders;
491        }
492
493        if (mEventColorInitialized) {
494            mModel.setEventColor(mEventColor);
495        }
496
497        if (mBegin <= 0) {
498            // use a default value instead
499            mBegin = mHelper.constructDefaultStartTime(System.currentTimeMillis());
500        }
501        if (mEnd < mBegin) {
502            // use a default value instead
503            mEnd = mHelper.constructDefaultEndTime(mBegin);
504        }
505
506        // Kick off the query for the event
507        boolean newEvent = mUri == null;
508        if (!newEvent) {
509            mModel.mCalendarAccessLevel = Calendars.CAL_ACCESS_NONE;
510            mOutstandingQueries = TOKEN_ALL;
511            if (DEBUG) {
512                Log.d(TAG, "startQuery: uri for event is " + mUri.toString());
513            }
514            mHandler.startQuery(TOKEN_EVENT, null, mUri, EditEventHelper.EVENT_PROJECTION,
515                    null /* selection */, null /* selection args */, null /* sort order */);
516        } else {
517            mOutstandingQueries = TOKEN_CALENDARS | TOKEN_COLORS;
518            if (DEBUG) {
519                Log.d(TAG, "startQuery: Editing a new event.");
520            }
521            mModel.mOriginalStart = mBegin;
522            mModel.mOriginalEnd = mEnd;
523            mModel.mStart = mBegin;
524            mModel.mEnd = mEnd;
525            mModel.mCalendarId = mCalendarId;
526            mModel.mSelfAttendeeStatus = Attendees.ATTENDEE_STATUS_ACCEPTED;
527
528            // Start a query in the background to read the list of calendars
529            mHandler.startQuery(TOKEN_CALENDARS, null, Calendars.CONTENT_URI,
530                    EditEventHelper.CALENDARS_PROJECTION,
531                    EditEventHelper.CALENDARS_WHERE_WRITEABLE_VISIBLE, null /* selection args */,
532                    null /* sort order */);
533
534            mModification = Utils.MODIFY_ALL;
535            mView.setModification(mModification);
536        }
537    }
538
539    @Override
540    public void onAttach(Activity activity) {
541        super.onAttach(activity);
542        mContext = activity;
543
544        mHelper = new EditEventHelper(activity, null);
545        mHandler = new QueryHandler(activity.getContentResolver());
546        mModel = new CalendarEventModel(activity, mIntent);
547        mInputMethodManager = (InputMethodManager)
548                activity.getSystemService(Context.INPUT_METHOD_SERVICE);
549
550        mUseCustomActionBar = !Utils.getConfigBool(mContext, R.bool.multiple_pane_config);
551    }
552
553    @Override
554    public View onCreateView(LayoutInflater inflater, ViewGroup container,
555            Bundle savedInstanceState) {
556//        mContext.requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
557        View view;
558        if (mIsReadOnly) {
559            view = inflater.inflate(R.layout.edit_event_single_column, null);
560        } else {
561            view = inflater.inflate(R.layout.edit_event, null);
562        }
563        mView = new EditEventView(mContext, view, mOnDone, mTimeSelectedWasStartTime,
564                mDateSelectedWasStartDate);
565        startQuery();
566
567        if (mUseCustomActionBar) {
568            View actionBarButtons = inflater.inflate(R.layout.edit_event_custom_actionbar,
569                    new LinearLayout(mContext), false);
570            View cancelActionView = actionBarButtons.findViewById(R.id.action_cancel);
571            cancelActionView.setOnClickListener(mActionBarListener);
572            View doneActionView = actionBarButtons.findViewById(R.id.action_done);
573            doneActionView.setOnClickListener(mActionBarListener);
574
575            mContext.getActionBar().setCustomView(actionBarButtons);
576        }
577
578        return view;
579    }
580
581    @Override
582    public void onDestroyView() {
583        super.onDestroyView();
584
585        if (mUseCustomActionBar) {
586            mContext.getActionBar().setCustomView(null);
587        }
588    }
589
590    @Override
591    public void onCreate(Bundle savedInstanceState) {
592        super.onCreate(savedInstanceState);
593        if (savedInstanceState != null) {
594            if (savedInstanceState.containsKey(BUNDLE_KEY_MODEL)) {
595                mRestoreModel = (CalendarEventModel) savedInstanceState.getSerializable(
596                        BUNDLE_KEY_MODEL);
597            }
598            if (savedInstanceState.containsKey(BUNDLE_KEY_EDIT_STATE)) {
599                mModification = savedInstanceState.getInt(BUNDLE_KEY_EDIT_STATE);
600            }
601            if (savedInstanceState.containsKey(BUNDLE_KEY_EDIT_ON_LAUNCH)) {
602                mShowModifyDialogOnLaunch = savedInstanceState
603                        .getBoolean(BUNDLE_KEY_EDIT_ON_LAUNCH);
604            }
605            if (savedInstanceState.containsKey(BUNDLE_KEY_EVENT)) {
606                mEventBundle = (EventBundle) savedInstanceState.getSerializable(BUNDLE_KEY_EVENT);
607            }
608            if (savedInstanceState.containsKey(BUNDLE_KEY_READ_ONLY)) {
609                mIsReadOnly = savedInstanceState.getBoolean(BUNDLE_KEY_READ_ONLY);
610            }
611            if (savedInstanceState.containsKey("EditEventView_timebuttonclicked")) {
612                mTimeSelectedWasStartTime = savedInstanceState.getBoolean(
613                        "EditEventView_timebuttonclicked");
614            }
615            if (savedInstanceState.containsKey(BUNDLE_KEY_DATE_BUTTON_CLICKED)) {
616                mDateSelectedWasStartDate = savedInstanceState.getBoolean(
617                        BUNDLE_KEY_DATE_BUTTON_CLICKED);
618            }
619            if (savedInstanceState.containsKey(BUNDLE_KEY_SHOW_COLOR_PALETTE)) {
620                mShowColorPalette = savedInstanceState.getBoolean(BUNDLE_KEY_SHOW_COLOR_PALETTE);
621            }
622
623        }
624    }
625
626
627    @Override
628    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
629        super.onCreateOptionsMenu(menu, inflater);
630
631        if (!mUseCustomActionBar) {
632            inflater.inflate(R.menu.edit_event_title_bar, menu);
633        }
634    }
635
636    @Override
637    public boolean onOptionsItemSelected(MenuItem item) {
638        return onActionBarItemSelected(item.getItemId());
639    }
640
641    /**
642     * Handles menu item selections, whether they come from our custom action bar buttons or from
643     * the standard menu items. Depends on the menu item ids matching the custom action bar button
644     * ids.
645     *
646     * @param itemId the button or menu item id
647     * @return whether the event was handled here
648     */
649    private boolean onActionBarItemSelected(int itemId) {
650        if (itemId == R.id.action_done) {
651            if (EditEventHelper.canModifyEvent(mModel) || EditEventHelper.canRespond(mModel)) {
652                if (mView != null && mView.prepareForSave()) {
653                    if (mModification == Utils.MODIFY_UNINITIALIZED) {
654                        mModification = Utils.MODIFY_ALL;
655                    }
656                    mOnDone.setDoneCode(Utils.DONE_SAVE | Utils.DONE_EXIT);
657                    mOnDone.run();
658                } else {
659                    mOnDone.setDoneCode(Utils.DONE_REVERT);
660                    mOnDone.run();
661                }
662            } else if (EditEventHelper.canAddReminders(mModel) && mModel.mId != -1
663                    && mOriginalModel != null && mView.prepareForSave()) {
664                saveReminders();
665                mOnDone.setDoneCode(Utils.DONE_EXIT);
666                mOnDone.run();
667            } else {
668                mOnDone.setDoneCode(Utils.DONE_REVERT);
669                mOnDone.run();
670            }
671        } else if (itemId == R.id.action_cancel) {
672            mOnDone.setDoneCode(Utils.DONE_REVERT);
673            mOnDone.run();
674        }
675        return true;
676    }
677
678    private void saveReminders() {
679        ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(3);
680        boolean changed = EditEventHelper.saveReminders(ops, mModel.mId, mModel.mReminders,
681                mOriginalModel.mReminders, false /* no force save */);
682
683        if (!changed) {
684            return;
685        }
686
687        AsyncQueryService service = new AsyncQueryService(getActivity());
688        service.startBatch(0, null, Calendars.CONTENT_URI.getAuthority(), ops, 0);
689        // Update the "hasAlarm" field for the event
690        Uri uri = ContentUris.withAppendedId(Events.CONTENT_URI, mModel.mId);
691        int len = mModel.mReminders.size();
692        boolean hasAlarm = len > 0;
693        if (hasAlarm != mOriginalModel.mHasAlarm) {
694            ContentValues values = new ContentValues();
695            values.put(Events.HAS_ALARM, hasAlarm ? 1 : 0);
696            service.startUpdate(0, null, uri, values, null, null, 0);
697        }
698
699        Toast.makeText(mContext, R.string.saving_event, Toast.LENGTH_SHORT).show();
700    }
701
702    protected void displayEditWhichDialog() {
703        if (mModification == Utils.MODIFY_UNINITIALIZED) {
704            final boolean notSynced = TextUtils.isEmpty(mModel.mSyncId);
705            boolean isFirstEventInSeries = mModel.mIsFirstEventInSeries;
706            int itemIndex = 0;
707            CharSequence[] items;
708
709            if (notSynced) {
710                // If this event has not been synced, then don't allow deleting
711                // or changing a single instance.
712                if (isFirstEventInSeries) {
713                    // Still display the option so the user knows all events are
714                    // changing
715                    items = new CharSequence[1];
716                } else {
717                    items = new CharSequence[2];
718                }
719            } else {
720                if (isFirstEventInSeries) {
721                    items = new CharSequence[2];
722                } else {
723                    items = new CharSequence[3];
724                }
725                items[itemIndex++] = mContext.getText(R.string.modify_event);
726            }
727            items[itemIndex++] = mContext.getText(R.string.modify_all);
728
729            // Do one more check to make sure this remains at the end of the list
730            if (!isFirstEventInSeries) {
731                items[itemIndex++] = mContext.getText(R.string.modify_all_following);
732            }
733
734            // Display the modification dialog.
735            if (mModifyDialog != null) {
736                mModifyDialog.dismiss();
737                mModifyDialog = null;
738            }
739            mModifyDialog = new AlertDialog.Builder(mContext).setTitle(R.string.edit_event_label)
740                    .setItems(items, new OnClickListener() {
741                        @Override
742                        public void onClick(DialogInterface dialog, int which) {
743                            if (which == 0) {
744                                // Update this if we start allowing exceptions
745                                // to unsynced events in the app
746                                mModification = notSynced ? Utils.MODIFY_ALL
747                                        : Utils.MODIFY_SELECTED;
748                                if (mModification == Utils.MODIFY_SELECTED) {
749                                    mModel.mOriginalSyncId = notSynced ? null : mModel.mSyncId;
750                                    mModel.mOriginalId = mModel.mId;
751                                }
752                            } else if (which == 1) {
753                                mModification = notSynced ? Utils.MODIFY_ALL_FOLLOWING
754                                        : Utils.MODIFY_ALL;
755                            } else if (which == 2) {
756                                mModification = Utils.MODIFY_ALL_FOLLOWING;
757                            }
758
759                            mView.setModification(mModification);
760                        }
761                    }).show();
762
763            mModifyDialog.setOnCancelListener(new OnCancelListener() {
764                @Override
765                public void onCancel(DialogInterface dialog) {
766                    Activity a = EditEventFragment.this.getActivity();
767                    if (a != null) {
768                        a.finish();
769                    }
770                }
771            });
772        }
773    }
774
775    class Done implements EditEventHelper.EditDoneRunnable {
776        private int mCode = -1;
777
778        @Override
779        public void setDoneCode(int code) {
780            mCode = code;
781        }
782
783        @Override
784        public void run() {
785            // We only want this to get called once, either because the user
786            // pressed back/home or one of the buttons on screen
787            mSaveOnDetach = false;
788            if (mModification == Utils.MODIFY_UNINITIALIZED) {
789                // If this is uninitialized the user hit back, the only
790                // changeable item is response to default to all events.
791                mModification = Utils.MODIFY_ALL;
792            }
793
794            if ((mCode & Utils.DONE_SAVE) != 0 && mModel != null
795                    && (EditEventHelper.canRespond(mModel)
796                            || EditEventHelper.canModifyEvent(mModel))
797                    && mView.prepareForSave()
798                    && !isEmptyNewEvent()
799                    && mModel.normalizeReminders()
800                    && mHelper.saveEvent(mModel, mOriginalModel, mModification)) {
801                int stringResource;
802                if (!mModel.mAttendeesList.isEmpty()) {
803                    if (mModel.mUri != null) {
804                        stringResource = R.string.saving_event_with_guest;
805                    } else {
806                        stringResource = R.string.creating_event_with_guest;
807                    }
808                } else {
809                    if (mModel.mUri != null) {
810                        stringResource = R.string.saving_event;
811                    } else {
812                        stringResource = R.string.creating_event;
813                    }
814                }
815                Toast.makeText(mContext, stringResource, Toast.LENGTH_SHORT).show();
816            } else if ((mCode & Utils.DONE_SAVE) != 0 && mModel != null && isEmptyNewEvent()) {
817                Toast.makeText(mContext, R.string.empty_event, Toast.LENGTH_SHORT).show();
818            }
819
820            if ((mCode & Utils.DONE_DELETE) != 0 && mOriginalModel != null
821                    && EditEventHelper.canModifyCalendar(mOriginalModel)) {
822                long begin = mModel.mStart;
823                long end = mModel.mEnd;
824                int which = -1;
825                switch (mModification) {
826                    case Utils.MODIFY_SELECTED:
827                        which = DeleteEventHelper.DELETE_SELECTED;
828                        break;
829                    case Utils.MODIFY_ALL_FOLLOWING:
830                        which = DeleteEventHelper.DELETE_ALL_FOLLOWING;
831                        break;
832                    case Utils.MODIFY_ALL:
833                        which = DeleteEventHelper.DELETE_ALL;
834                        break;
835                }
836                DeleteEventHelper deleteHelper = new DeleteEventHelper(
837                        mContext, mContext, !mIsReadOnly /* exitWhenDone */);
838                deleteHelper.delete(begin, end, mOriginalModel, which);
839            }
840
841            if ((mCode & Utils.DONE_EXIT) != 0) {
842                // This will exit the edit event screen, should be called
843                // when we want to return to the main calendar views
844                if ((mCode & Utils.DONE_SAVE) != 0) {
845                    if (mContext != null) {
846                        long start = mModel.mStart;
847                        long end = mModel.mEnd;
848                        if (mModel.mAllDay) {
849                            // For allday events we want to go to the day in the
850                            // user's current tz
851                            String tz = Utils.getTimeZone(mContext, null);
852                            Time t = new Time(Time.TIMEZONE_UTC);
853                            t.set(start);
854                            t.timezone = tz;
855                            start = t.toMillis(true);
856
857                            t.timezone = Time.TIMEZONE_UTC;
858                            t.set(end);
859                            t.timezone = tz;
860                            end = t.toMillis(true);
861                        }
862                        CalendarController.getInstance(mContext).launchViewEvent(-1, start, end,
863                                Attendees.ATTENDEE_STATUS_NONE);
864                    }
865                }
866                Activity a = EditEventFragment.this.getActivity();
867                if (a != null) {
868                    a.finish();
869                }
870            }
871
872            // Hide a software keyboard so that user won't see it even after this Fragment's
873            // disappearing.
874            final View focusedView = mContext.getCurrentFocus();
875            if (focusedView != null) {
876                mInputMethodManager.hideSoftInputFromWindow(focusedView.getWindowToken(), 0);
877                focusedView.clearFocus();
878            }
879        }
880    }
881
882    boolean isEmptyNewEvent() {
883        if (mOriginalModel != null) {
884            // Not new
885            return false;
886        }
887
888        if (mModel.mOriginalStart != mModel.mStart || mModel.mOriginalEnd != mModel.mEnd) {
889            return false;
890        }
891
892        if (!mModel.mAttendeesList.isEmpty()) {
893            return false;
894        }
895
896        return mModel.isEmpty();
897    }
898
899    @Override
900    public void onPause() {
901        Activity act = getActivity();
902        if (mSaveOnDetach && act != null && !mIsReadOnly && !act.isChangingConfigurations()
903                && mView.prepareForSave()) {
904            mOnDone.setDoneCode(Utils.DONE_SAVE);
905            mOnDone.run();
906        }
907        super.onPause();
908    }
909
910    @Override
911    public void onDestroy() {
912        if (mView != null) {
913            mView.setModel(null);
914        }
915        if (mModifyDialog != null) {
916            mModifyDialog.dismiss();
917            mModifyDialog = null;
918        }
919        super.onDestroy();
920    }
921
922    @Override
923    public void eventsChanged() {
924        // TODO Requery to see if event has changed
925    }
926
927    @Override
928    public void onSaveInstanceState(Bundle outState) {
929        mView.prepareForSave();
930        outState.putSerializable(BUNDLE_KEY_MODEL, mModel);
931        outState.putInt(BUNDLE_KEY_EDIT_STATE, mModification);
932        if (mEventBundle == null && mEvent != null) {
933            mEventBundle = new EventBundle();
934            mEventBundle.id = mEvent.id;
935            if (mEvent.startTime != null) {
936                mEventBundle.start = mEvent.startTime.toMillis(true);
937            }
938            if (mEvent.endTime != null) {
939                mEventBundle.end = mEvent.startTime.toMillis(true);
940            }
941        }
942        outState.putBoolean(BUNDLE_KEY_EDIT_ON_LAUNCH, mShowModifyDialogOnLaunch);
943        outState.putSerializable(BUNDLE_KEY_EVENT, mEventBundle);
944        outState.putBoolean(BUNDLE_KEY_READ_ONLY, mIsReadOnly);
945        outState.putBoolean(BUNDLE_KEY_SHOW_COLOR_PALETTE, mView.isColorPaletteVisible());
946
947        outState.putBoolean("EditEventView_timebuttonclicked", mView.mTimeSelectedWasStartTime);
948        outState.putBoolean(BUNDLE_KEY_DATE_BUTTON_CLICKED, mView.mDateSelectedWasStartDate);
949    }
950
951    @Override
952    public long getSupportedEventTypes() {
953        return EventType.USER_HOME;
954    }
955
956    @Override
957    public void handleEvent(EventInfo event) {
958        // It's currently unclear if we want to save the event or not when home
959        // is pressed. When creating a new event we shouldn't save since we
960        // can't get the id of the new event easily.
961        if ((false && event.eventType == EventType.USER_HOME) || (event.eventType == EventType.GO_TO
962                && mSaveOnDetach)) {
963            if (mView != null && mView.prepareForSave()) {
964                mOnDone.setDoneCode(Utils.DONE_SAVE);
965                mOnDone.run();
966            }
967        }
968    }
969
970    private static class EventBundle implements Serializable {
971        private static final long serialVersionUID = 1L;
972        long id = -1;
973        long start = -1;
974        long end = -1;
975    }
976
977    @Override
978    public void onColorSelected(int color) {
979        if (!mModel.isEventColorInitialized() || mModel.getEventColor() != color) {
980            mModel.setEventColor(color);
981            mView.updateHeadlineColor(mModel, color);
982        }
983    }
984}
985