@Override
protected void onCreate(Bundle savedInstanceState) {
Util.setPrefTheme(this);
super.onCreate(savedInstanceState);
Log.i(LOG_TAG, "initiating adapter");
mAdapter = new DatabaseAdapter(this);
mAdapter.open();
Bundle b = this.getIntent().getExtras();
if (b != null) {
mNoteId = b.getLong(DatabaseAdapter.ID_COL, Const.INVALID_LONG);
Log.i(LOG_TAG, "Got note ID from intent's bundle: " + mNoteId);
}
if (mNoteId == Const.INVALID_LONG) {
Serializable savedState = savedInstanceState.getSerializable(DatabaseAdapter.ID_COL);
mNoteId =
savedState == null || !(savedState instanceof Long)
? Const.INVALID_LONG
: (Long) savedState;
Log.i(LOG_TAG, "Nothing in the intent, and mNoteId in saved instance state is: " + mNoteId);
}
this.setContentView(R.layout.view_note);
// note display is in onResume
this.displayNoteOrGoUp();
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mAdapter != null) {
Log.i(LOG_TAG, "Close adapter");
mAdapter.close();
}
}
/**
* Put the note detail into view layout, and go up one level if no ID found
*
* <p>Note: it resets the ListAdapter each time it returns to the screen
*/
private void displayNoteOrGoUp() {
// this will return empty cursor only if there is no note core entry
Cursor noteCursor = mAdapter.getFullNoteOrCoreById(mNoteId);
if (noteCursor.getCount() < 1) {
Log.e(LOG_TAG, mNoteId + " doesn't point to a valid note");
// if no results from getNoteOrCore(), it means no note exists under mNoteId
this.goUp();
return;
}
Log.i(LOG_TAG, "Found " + noteCursor.getCount() + " records for note " + mNoteId);
mNoteType = noteCursor.getInt(noteCursor.getColumnIndexOrThrow(DatabaseAdapter.TYPE_COL));
// set title in the proper view
TextView titleView = (TextView) this.findViewById(R.id.show_note_title);
titleView.setText(
noteCursor.getString(noteCursor.getColumnIndexOrThrow(DatabaseAdapter.TITLE_COL)));
switch (mNoteType) {
case Const.TYPE_TEXT:
this.startManagingCursor(noteCursor); // the cursor will not be changed
TextView bodyView = (TextView) this.findViewById(R.id.show_note_body);
// enable scrolling
bodyView.setMovementMethod(new ScrollingMovementMethod());
bodyView.setText(noteCursor.getString(noteCursor.getColumnIndex(DatabaseAdapter.TEXT_COL)));
return;
case Const.TYPE_CHECKLIST:
Cursor listCursor = mAdapter.getFullNoteOrNoneById(mNoteId);
this.startManagingCursor(listCursor); // all changes to the cursor is over
// use empty cursor if there is only title. Create a new list adapter upon creating the
// activity and each subsequent resume
this.setListAdapter(
new HoloNoteCursorAdapter(
this,
R.layout.view_checklist_row,
listCursor,
new String[] {DatabaseAdapter.TEXT_COL},
new int[] {R.id.show_checklist_item}));
return;
default:
Log.w(LOG_TAG, "Display note got an unkonwn type: " + mNoteType);
break;
}
}
public void onPositiveClick(Bundle args) {
int dialogType = args.getInt(Const.DIALOG_TYPE);
Log.i(LOG_TAG, "Received positive click callback from dialog. Dialog type was " + dialogType);
switch (dialogType) {
case Const.DELETE_NOTE:
mAdapter.deleteNote(mNoteId);
this.goUp();
break;
case Const.DELETE_CHECKED:
mAdapter.deleteAllChecked(mNoteId);
this.displayNoteOrGoUp();
break;
case Const.UNCHECK_ALL:
mAdapter.uncheckAll(mNoteId);
// Not sure which is faster, reload the list or loop through and asynchronously uncheck all
this.displayNoteOrGoUp();
break;
default:
Log.w(LOG_TAG, "Unknown dialog type returned positive click");
break;
}
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
super.onListItemClick(l, v, position, id);
Log.i(LOG_TAG, id + " is clicked at position " + position);
if (v instanceof CheckedTextView) {
// doing asynchronous view changes, because the cursor still has old data while the database
// and the view are changed
// because we force refresh on every resume, the synchronization after we leave the Activity
// is taken care of
CheckedTextView ctv = (CheckedTextView) v;
// this check view at the certain position, rather than the item, hence the asynchrony
ctv.setChecked(!ctv.isChecked());
mAdapter.flipCheckedStatus(id, mNoteId, ctv.isChecked());
ctv.setPaintFlags(
ctv.isChecked()
? ctv.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG
: ctv.getPaintFlags() & (~Paint.STRIKE_THRU_TEXT_FLAG));
((HoloNoteCursorAdapter) this.getListAdapter()).getCursor().requery();
}
}