/**
* Block the current thread until the currently running DeckTask instance (if any) has finished.
*/
public static void waitToFinish() {
try {
if ((instance != null) && (instance.getStatus() != AsyncTask.Status.FINISHED)) instance.get();
} catch (Exception e) {
return;
}
}
@Override
public boolean onContextItemSelected(MenuItem item) {
AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
switch (item.getItemId()) {
case CONTEXT_MENU_MARK:
mPositionInCardsList = info.position;
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_MARK_CARD,
mMarkCardHandler,
new DeckTask.TaskData(0, mDeck, mSelectedCard));
return true;
case CONTEXT_MENU_SUSPEND:
mPositionInCardsList = info.position;
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_SUSPEND_CARD,
mSuspendCardHandler,
new DeckTask.TaskData(0, mDeck, mSelectedCard));
return true;
case CONTEXT_MENU_DELETE:
mPositionInCardsList = info.position;
Dialog dialog;
Resources res = getResources();
StyledDialog.Builder builder = new StyledDialog.Builder(this);
builder.setTitle(res.getString(R.string.delete_card_title));
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(
String.format(
res.getString(R.string.delete_card_message),
mCards.get(mPositionInCardsList).get("question"),
mCards.get(mPositionInCardsList).get("answer")));
builder.setPositiveButton(
res.getString(R.string.yes),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_DELETE_CARD,
mDeleteCardHandler,
new DeckTask.TaskData(0, mDeck, mSelectedCard));
}
});
builder.setNegativeButton(res.getString(R.string.no), null);
dialog = builder.create();
dialog.show();
return true;
case CONTEXT_MENU_DETAILS:
Themes.htmlOkDialog(
this,
getResources().getString(R.string.card_browser_card_details),
mSelectedCard.getCardDetails(this, true))
.show();
return true;
default:
return super.onContextItemSelected(item);
}
}
public static DeckTask launchDeckTask(int type, TaskListener listener, TaskData... params) {
oldInstance = instance;
instance = new DeckTask();
instance.listener = listener;
instance.type = type;
return (DeckTask) instance.execute(params);
}
public static DeckTask launchDeckTask(int type, TaskListener listener, TaskData... params) {
try {
if ((instance != null) && (instance.getStatus() != AsyncTask.Status.FINISHED)) instance.get();
} catch (Exception e) {
e.printStackTrace();
}
instance = new DeckTask();
instance.listener = listener;
instance.type = type;
return (DeckTask) instance.execute(params);
}
private void getCards() {
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_LOAD_CARDS,
mLoadCardsHandler,
new DeckTask.TaskData(
mDeck,
getResources().getStringArray(R.array.card_browser_order_values)[mSelectedOrder]));
}
@Override
protected TaskData doInBackground(TaskData... params) {
// Wait for previous thread (if any) to finish before continuing
try {
if ((oldInstance != null) && (oldInstance.getStatus() != AsyncTask.Status.FINISHED))
oldInstance.get();
} catch (Exception e) {
Log.e(
TAG,
"doInBackground - Got exception while waiting for thread to finish: " + e.getMessage());
}
switch (type) {
case TASK_TYPE_LOAD_DECK:
return doInBackgroundLoadDeck(params);
case TASK_TYPE_LOAD_DECK_AND_UPDATE_CARDS:
TaskData taskData = doInBackgroundLoadDeck(params);
if (taskData.integer == AnkiDroid.DECK_LOADED) {
taskData.deck.updateAllCards();
taskData.card = taskData.deck.getCurrentCard();
}
return taskData;
case TASK_TYPE_ANSWER_CARD:
return doInBackgroundAnswerCard(params);
case TASK_TYPE_SUSPEND_CARD:
return doInBackgroundSuspendCard(params);
case TASK_TYPE_UPDATE_FACT:
return doInBackgroundUpdateFact(params);
default:
return null;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == EDIT_CARD && resultCode == RESULT_OK) {
Log.i(AnkiDroidApp.TAG, "Saving card...");
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_UPDATE_FACT,
mUpdateCardHandler,
new DeckTask.TaskData(0, mDeck, mSelectedCard));
// TODO: code to save the changes made to the current card.
} else if (requestCode == ADD_FACT && resultCode == RESULT_OK) {
getCards();
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_UNDO:
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_UNDO, mUndoRedoHandler, new DeckTask.TaskData(0, mDeck, 0, true));
return true;
case MENU_REDO:
DeckTask.launchDeckTask(
DeckTask.TASK_TYPE_REDO, mUndoRedoHandler, new DeckTask.TaskData(0, mDeck, 0, true));
return true;
case MENU_ADD_FACT:
startActivityForResult(new Intent(CardBrowser.this, FactAdder.class), ADD_FACT);
if (Integer.valueOf(android.os.Build.VERSION.SDK) > 4) {
ActivityTransitionAnimation.slide(CardBrowser.this, ActivityTransitionAnimation.LEFT);
}
return true;
case MENU_SHOW_MARKED:
mShowOnlyMarSus = true;
mSearchEditText.setHint(R.string.card_browser_show_marked);
mCards.clear();
for (int i = 0; i < mAllCards.size(); i++) {
if ((mAllCards
.get(i)
.get("question")
.toLowerCase()
.indexOf(mSearchEditText.getText().toString().toLowerCase())
!= -1
|| mAllCards
.get(i)
.get("answer")
.toLowerCase()
.indexOf(mSearchEditText.getText().toString().toLowerCase())
!= -1)
&& mAllCards.get(i).get("marSus").subSequence(0, 1).equals("1")) {
mCards.add(mAllCards.get(i));
}
}
updateList();
return true;
case MENU_SELECT_SUSPENDED:
mShowOnlyMarSus = true;
mSearchEditText.setHint(R.string.card_browser_show_suspended);
mCards.clear();
for (int i = 0; i < mAllCards.size(); i++) {
if ((mAllCards
.get(i)
.get("question")
.toLowerCase()
.indexOf(mSearchEditText.getText().toString().toLowerCase())
!= -1
|| mAllCards
.get(i)
.get("answer")
.toLowerCase()
.indexOf(mSearchEditText.getText().toString().toLowerCase())
!= -1)
&& mAllCards.get(i).get("marSus").subSequence(1, 2).equals("1")) {
mCards.add(mAllCards.get(i));
}
}
updateList();
return true;
case MENU_SELECT_TAG:
recreateTagsDialog();
mTagsDialog.show();
return true;
case MENU_CHANGE_ORDER:
showDialog(DIALOG_ORDER);
return true;
}
return false;
}
public void closeDeck() {
DeckTask.waitToFinish(); // Wait for any thread working on the deck to finish.
if (modifiedSinceSave()) commitToDB();
AnkiDb.closeDatabase();
}