@Override
public void onStart() {
formulaEditorKeyboard.setClickable(true);
getView().requestFocus();
View.OnTouchListener touchListener =
new View.OnTouchListener() {
private Handler handler;
private Runnable deleteAction;
private boolean handleLongClick(final View view, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
if (handler == null) {
return true;
}
handler.removeCallbacks(deleteAction);
handler = null;
}
if (event.getAction() == MotionEvent.ACTION_DOWN) {
deleteAction =
new Runnable() {
@Override
public void run() {
handler.postDelayed(this, 100);
if (formulaEditorEditText.isThereSomethingToDelete()) {
formulaEditorEditText.handleKeyEvent(view.getId(), "");
}
}
};
if (handler != null) {
return true;
}
handler = new Handler();
handler.postDelayed(deleteAction, 400);
}
return true;
}
@Override
public boolean onTouch(View view, MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_UP) {
updateButtonsOnKeyboardAndInvalidateOptionsMenu();
view.setPressed(false);
handleLongClick(view, event);
return true;
}
if (event.getAction() == MotionEvent.ACTION_DOWN) {
view.setPressed(true);
switch (view.getId()) {
case R.id.formula_editor_keyboard_compute:
InternFormulaParser internFormulaParser =
formulaEditorEditText.getFormulaParser();
FormulaElement formulaElement = internFormulaParser.parseFormula();
if (formulaElement == null) {
if (internFormulaParser.getErrorTokenIndex() >= 0) {
formulaEditorEditText.setParseErrorCursorAndSelection();
}
return false;
}
Formula formulaToCompute = new Formula(formulaElement);
FormulaEditorComputeDialog computeDialog =
new FormulaEditorComputeDialog(context);
computeDialog.setFormula(formulaToCompute);
computeDialog.show();
return true;
case R.id.formula_editor_keyboard_function:
showFormularEditorCategorylistFragment(
FormulaEditorCategoryListFragment.FUNCTION_TAG,
R.string.formula_editor_functions);
return true;
case R.id.formula_editor_keyboard_logic:
showFormularEditorCategorylistFragment(
FormulaEditorCategoryListFragment.LOGIC_TAG, R.string.formula_editor_logic);
return true;
case R.id.formula_editor_keyboard_object:
showFormularEditorCategorylistFragment(
FormulaEditorCategoryListFragment.OBJECT_TAG,
R.string.formula_editor_choose_object_variable);
return true;
case R.id.formula_editor_keyboard_sensors:
showFormularEditorCategorylistFragment(
FormulaEditorCategoryListFragment.SENSOR_TAG, R.string.formula_editor_device);
return true;
case R.id.formula_editor_keyboard_data:
showFormulaEditorDataFragment(
FormulaEditorDataFragment.USER_DATA_TAG, R.string.formula_editor_data);
return true;
case R.id.formula_editor_keyboard_ok:
endFormulaEditor();
return true;
case R.id.formula_editor_keyboard_string:
FragmentManager fragmentManager = ((Activity) context).getFragmentManager();
Fragment dialogFragment =
fragmentManager.findFragmentByTag(NewStringDialog.DIALOG_FRAGMENT_TAG);
if (dialogFragment == null) {
dialogFragment = NewStringDialog.newInstance();
}
((NewStringDialog) dialogFragment)
.show(fragmentManager, NewStringDialog.DIALOG_FRAGMENT_TAG);
return true;
case R.id.formula_editor_keyboard_delete:
formulaEditorEditText.handleKeyEvent(view.getId(), "");
return handleLongClick(view, event);
default:
formulaEditorEditText.handleKeyEvent(view.getId(), "");
return true;
}
}
return false;
}
};
for (int index = 0; index < formulaEditorKeyboard.getChildCount(); index++) {
View tableRow = formulaEditorKeyboard.getChildAt(index);
if (tableRow instanceof TableRow) {
TableRow row = (TableRow) tableRow;
for (int indexRow = 0; indexRow < row.getChildCount(); indexRow++) {
row.getChildAt(indexRow).setOnTouchListener(touchListener);
}
}
}
updateButtonsOnKeyboardAndInvalidateOptionsMenu();
super.onStart();
}
