@Override
public void onPrepareOptionsMenu(Menu menu) {
currentMenu = menu;
for (int index = 0; index < menu.size(); index++) {
menu.getItem(index).setVisible(false);
}
MenuItem undo = menu.findItem(R.id.menu_undo);
if (formulaEditorEditText == null || !formulaEditorEditText.getHistory().undoIsPossible()) {
undo.setIcon(R.drawable.icon_undo_disabled);
undo.setEnabled(false);
} else {
undo.setIcon(R.drawable.icon_undo);
undo.setEnabled(true);
}
MenuItem redo = menu.findItem(R.id.menu_redo);
if (formulaEditorEditText == null || !formulaEditorEditText.getHistory().redoIsPossible()) {
redo.setIcon(R.drawable.icon_redo_disabled);
redo.setEnabled(false);
} else {
redo.setIcon(R.drawable.icon_redo);
redo.setEnabled(true);
}
menu.findItem(R.id.menu_undo).setVisible(true);
menu.findItem(R.id.menu_redo).setVisible(true);
getActivity().getActionBar().setDisplayShowTitleEnabled(true);
getActivity().getActionBar().setTitle(getString(R.string.formula_editor_title));
super.onPrepareOptionsMenu(menu);
}
private void handleCustomView() {
if (showCustomView) {
formulaEditorEditText.setVisibility(View.GONE);
formulaEditorKeyboard.setVisibility(View.GONE);
} else {
formulaEditorEditText.setVisibility(View.VISIBLE);
formulaEditorKeyboard.setVisibility(View.VISIBLE);
}
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
fragmentView = inflater.inflate(R.layout.fragment_formula_editor, container, false);
fragmentView.setFocusableInTouchMode(true);
fragmentView.requestFocus();
context = getActivity();
brickView = getBrickOrCustomView();
formulaEditorBrick = (LinearLayout) fragmentView.findViewById(R.id.formula_editor_brick_space);
setBrickViewSafe(brickView, false);
formulaEditorEditText =
(FormulaEditorEditText) fragmentView.findViewById(R.id.formula_editor_edit_field);
formulaEditorKeyboard =
(TableLayout) fragmentView.findViewById(R.id.formula_editor_keyboardview);
formulaEditorEditText.init(this);
fragmentView.getViewTreeObserver().addOnGlobalLayoutListener(this);
setInputFormula(currentBrickField, SET_FORMULA_ON_CREATE_VIEW);
setHasOptionsMenu(true);
setUpActionBar();
handleCustomView();
return fragmentView;
}
private void exitFormulaEditorFragment() {
if (formulaEditorEditText.hasChanges()) {
AlertDialog.Builder builder = new CustomAlertDialogBuilder(getActivity());
builder
.setTitle(R.string.formula_editor_discard_changes_dialog_title)
.setMessage(R.string.formula_editor_discard_changes_dialog_message)
.setNegativeButton(
R.string.no,
new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
showToast(R.string.formula_editor_changes_discarded, false);
currentFormula.setDisplayText(null);
onUserDismiss();
}
})
.setPositiveButton(
R.string.yes,
new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
if (saveFormulaIfPossible()) {
onUserDismiss();
}
}
})
.create()
.show();
} else {
onUserDismiss();
}
}
private void endFormulaEditor() {
if (formulaEditorEditText.hasChanges()) {
if (saveFormulaIfPossible()) {
updateUserBricksIfNecessary();
onUserDismiss();
}
} else {
onUserDismiss();
}
}
@SuppressWarnings("deprecation")
@Override
public void onGlobalLayout() {
fragmentView.getViewTreeObserver().removeGlobalOnLayoutListener(this);
Rect brickRect = new Rect();
Rect keyboardRec = new Rect();
formulaEditorBrick.getGlobalVisibleRect(brickRect);
formulaEditorKeyboard.getGlobalVisibleRect(keyboardRec);
formulaEditorEditText.setMaxHeight(keyboardRec.top - brickRect.bottom);
}
public static boolean saveFormulaForUserBrickParameterChange() {
InternFormulaParser formulaToParse = formulaEditorEditText.getFormulaParser();
FormulaElement formulaParseTree = formulaToParse.parseFormula();
switch (formulaToParse.getErrorTokenIndex()) {
case PARSER_OK:
currentFormula.setRoot(formulaParseTree);
if (onFormulaChangedListener != null) {
onFormulaChangedListener.onFormulaChanged(
formulaBrick, currentBrickField, currentFormula);
}
if (formulaEditorBrick != null) {
currentFormula.refreshTextField(brickView);
}
formulaEditorEditText.formulaSaved();
return true;
}
return false;
}
public void updateButtonsOnKeyboardAndInvalidateOptionsMenu() {
getActivity().invalidateOptionsMenu();
ImageButton backspaceOnKeyboard =
(ImageButton) getActivity().findViewById(R.id.formula_editor_keyboard_delete);
if (!formulaEditorEditText.isThereSomethingToDelete()) {
backspaceOnKeyboard.setAlpha(255 / 3);
backspaceOnKeyboard.setEnabled(false);
} else {
backspaceOnKeyboard.setAlpha(255);
backspaceOnKeyboard.setEnabled(true);
}
}
public boolean saveFormulaIfPossible() {
InternFormulaParser formulaToParse = formulaEditorEditText.getFormulaParser();
FormulaElement formulaParseTree = formulaToParse.parseFormula();
switch (formulaToParse.getErrorTokenIndex()) {
case PARSER_OK:
currentFormula.setRoot(formulaParseTree);
if (onFormulaChangedListener != null) {
onFormulaChangedListener.onFormulaChanged(
formulaBrick, currentBrickField, currentFormula);
}
if (formulaEditorBrick != null) {
currentFormula.refreshTextField(brickView);
}
formulaEditorEditText.formulaSaved();
showToast(R.string.formula_editor_changes_saved, false);
return true;
case PARSER_STACK_OVERFLOW:
return checkReturnWithoutSaving(PARSER_STACK_OVERFLOW);
default:
formulaEditorEditText.setParseErrorCursorAndSelection();
return checkReturnWithoutSaving(PARSER_INPUT_SYNTAX_ERROR);
}
}
private void onUserDismiss() {
refreshFormulaPreviewString(currentFormula.getTrimmedFormulaString(getActivity()));
formulaEditorEditText.endEdit();
currentFormula.prepareToRemove();
Activity activity = getActivity();
FragmentManager fragmentManager = activity.getFragmentManager();
FragmentTransaction fragTransaction = fragmentManager.beginTransaction();
fragTransaction.hide(this);
fragTransaction.show(fragmentManager.findFragmentByTag(ScriptFragment.TAG));
fragTransaction.commit();
resetActionBar();
BottomBar.showBottomBar(activity);
BottomBar.showPlayButton(activity);
}
private void setInputFormula(Brick.BrickField brickField, int mode) {
switch (mode) {
case SET_FORMULA_ON_CREATE_VIEW:
formulaEditorEditText.enterNewFormula(currentFormula.getInternFormulaState());
currentFormula.highlightTextField(brickView);
refreshFormulaPreviewString();
break;
case SET_FORMULA_ON_SWITCH_EDIT_TEXT:
Formula newFormula = clonedFormulaBrick.getFormulaWithBrickField(brickField);
if (currentFormula == newFormula && formulaEditorEditText.hasChanges()) {
formulaEditorEditText.quickSelect();
break;
}
if (formulaEditorEditText.hasChanges()) {
confirmSwitchEditTextTimeStamp[0] = confirmSwitchEditTextTimeStamp[1];
confirmSwitchEditTextTimeStamp[1] = System.currentTimeMillis();
confirmSwitchEditTextCounter++;
if (!saveFormulaIfPossible()) {
return;
}
}
MenuItem undo = currentMenu.findItem(R.id.menu_undo);
if (undo != null) {
undo.setIcon(R.drawable.icon_undo_disabled);
undo.setEnabled(false);
}
MenuItem redo = currentMenu.findItem(R.id.menu_redo);
redo.setIcon(R.drawable.icon_redo_disabled);
redo.setEnabled(false);
formulaEditorEditText.endEdit();
currentBrickField = brickField;
currentFormula = newFormula;
formulaEditorEditText.enterNewFormula(newFormula.getInternFormulaState());
refreshFormulaPreviewString();
break;
default:
break;
}
}
public void refreshFormulaPreviewString() {
refreshFormulaPreviewString(formulaEditorEditText.getStringFromInternFormula());
}
public void overrideSelectedText(String string) {
formulaEditorEditText.overrideSelectedText(string);
}
public String getSelectedFormulaText() {
return formulaEditorEditText.getSelectedTextFromInternFormula();
}
public void addStringToActiveFormula(String string) {
formulaEditorEditText.handleKeyEvent(R.id.formula_editor_keyboard_string, string);
}
public void addUserVariableToActiveFormula(String userVariableName) {
formulaEditorEditText.handleKeyEvent(
InternFormulaKeyboardAdapter.FORMULA_EDITOR_USER_VARIABLE_RESOURCE_ID, userVariableName);
}
public void addUserListToActiveFormula(String userListName) {
formulaEditorEditText.handleKeyEvent(
InternFormulaKeyboardAdapter.FORMULA_EDITOR_USER_LIST_RESOURCE_ID, userListName);
}
public void addResourceToActiveFormula(int resource) {
formulaEditorEditText.handleKeyEvent(resource, "");
}