/** * Function that is called when the user clicks on the delete all button. Deletes all of the * ingredients, and updates the pantry accordingly. */ public void onDeleteAll() { GlobalApplication app = (GlobalApplication) getApplication(); Pantry pantry = app.getCurrentRecipe().getIngredients(); // If the ingredients is empty, we don't need to delete anything if (pantry.isEmpty()) { showMessage("Nothing to delete"); return; } // Builds the alert dialog box AlertDialog.Builder prompt = new AlertDialog.Builder(this); prompt.setTitle("Delete All"); prompt.setMessage( "Are you sure you want to delete all ingredients? They " + "will be gone... forever."); prompt.setNegativeButton( "No", new DialogInterface.OnClickListener() { // User has changed their mind @Override public void onClick(DialogInterface dialog, int which) { return; } }); prompt.setPositiveButton( "Yes", new DialogInterface.OnClickListener() { // User does want to delete all ingredients @Override public void onClick(DialogInterface dialog, int which) { GlobalApplication app = (GlobalApplication) getApplication(); Pantry pantry = app.getCurrentRecipe().getIngredients(); pantry.emptyPantry(); refresh(); } }); prompt.show(); return; }
/** * Function that is called when the user clicks the add ingredient button. Adds the ingredient to * the recipe. Also refreshes the view to show the new ingredient. */ public void onAdd() { EditText quantity = (EditText) findViewById(R.id.addIngredientQuantity); EditText name = (EditText) findViewById(R.id.addIngredientName); Spinner units = (Spinner) findViewById(R.id.addIngredientMeasurement); // Get the units the user inputed int position = units.getSelectedItemPosition(); String unitsString = Constants.getUnitFromPosition(position); String nameString = name.getText().toString(); String quantityString = quantity.getText().toString(); // Do the integer conversion like this just in case no number is entered Integer amount; try { amount = new Integer(quantityString); } catch (NumberFormatException e) { showMessage("Invalid number"); return; } Ingredient ingredient = new Ingredient(nameString, amount, unitsString); // Check for ingredient validity if (ingredient.isValidInfo() != Constants.GOOD) { showMessage("Invalid info entered"); return; } GlobalApplication app = (GlobalApplication) getApplication(); Pantry pantry = app.getCurrentRecipe().getIngredients(); pantry.addIngredient(ingredient); // Clear the edit text boxes for future ingredients name.setText(""); quantity.setText(""); refresh(); return; }
public static void main(String[] args) { System.out.println("Welcome to Mother Hubbard's Pantry!\n\nThe jams are:"); Jam goose = new Jam("Gooseberry", "7/4/86", 12); Jam apple = new Jam("Crab Apple", "9/30/99", 8); Jam rhub = new Jam("Rhubarb", "10/31/99", 16); Pantry hubbard = new Pantry(goose, apple, rhub); hubbard.print(); int select = promptSelect(); int amount = promptAmount(); while (select != -1) { amount = promptAmount(); hubbard.select(select); hubbard.spread(amount); System.out.println("\nThe jams are: "); hubbard.print(); select = promptSelect(); } }