From f5078b130f9b84df1c2f000b6493907cdd89fefb Mon Sep 17 00:00:00 2001
From: Harry Linrui XU <xulr0820@hotmail.com>
Date: Tue, 18 Apr 2023 08:16:35 +0200
Subject: [PATCH] Made FinanceController abstract. Defined common methods
---
.../demo/controller/FinanceController.java | 120 ++++++++++++++++--
1 file changed, 112 insertions(+), 8 deletions(-)
diff --git a/src/main/java/no/ntnu/idatt1002/demo/controller/FinanceController.java b/src/main/java/no/ntnu/idatt1002/demo/controller/FinanceController.java
index 0c67d8e1..043cebb3 100644
--- a/src/main/java/no/ntnu/idatt1002/demo/controller/FinanceController.java
+++ b/src/main/java/no/ntnu/idatt1002/demo/controller/FinanceController.java
@@ -2,8 +2,19 @@ package no.ntnu.idatt1002.demo.controller;
import java.awt.event.ActionEvent;
import java.io.IOException;
+import java.time.LocalDate;
import java.util.Optional;
+import javafx.collections.ObservableList;
+import javafx.scene.chart.PieChart;
+import javafx.scene.chart.PieChart.Data;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.ButtonType;
+import no.ntnu.idatt1002.demo.data.Budget.FileHandlingBudget;
+import no.ntnu.idatt1002.demo.data.Budget.GeneralBudget;
+import no.ntnu.idatt1002.demo.data.Economics.ExpenseRegister;
+import no.ntnu.idatt1002.demo.data.Economics.FileHandling;
+import no.ntnu.idatt1002.demo.data.Economics.IncomeRegister;
/**
* Interface for controllers for scenes with finance tableviews.
@@ -11,48 +22,141 @@ import javafx.scene.control.ButtonType;
* @author Harry Linrui Xu
* @since 29.3.2023
*/
-public interface FinanceController {
+public abstract class FinanceController {
+ private ExpenseRegister expenseRegister;
+
+ private IncomeRegister incomeRegister;
+
+ private GeneralBudget general;
/**
* Method for handling the adding of new entries in the tableview.
* @param event A button click on the add button.
*/
- void handleAddBtn(javafx.event.ActionEvent event);
+ abstract void handleAddBtn(javafx.event.ActionEvent event);
/**
* Method for handling the editing of a chosen entry in the tableview.
* @param event A button click on the edit button.
*/
- void handleEditBtn(javafx.event.ActionEvent event);
+ abstract void handleEditBtn(javafx.event.ActionEvent event);
/**
* Deletes an entry from the tableview, if an entry has been selected. The method brings up a popup window, asking for confirmation for deleting the entry.
* @param event A button click on the delete button
*/
- void handleDeleteBtn(javafx.event.ActionEvent event);
+ abstract void handleDeleteBtn(javafx.event.ActionEvent event);
/**
* Method for synching the register with the tableview. The observable list to which the tableview is set, is being refilled with all the entries
* in the register, keeping it updated with new changes.
*/
- void refreshTableView();
+ abstract void refreshTableView();
/**
* Returns an optional, which is a popup alert box, asking for confirmation for deleting an entry.
* @return An alert box, asking for confirmation for deleting the selected entry of the tableview.
*/
- Optional<ButtonType> showConfirmationDialog(String title, String header, String content);
+ public Optional<ButtonType> showConfirmationDialog(String title, String header, String content) {
+ Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
+ alert.setTitle(title);
+ alert.setHeaderText(header);
+ alert.setContentText(content);
+
+ return alert.showAndWait();
+ }
+
+ abstract void refreshPieChart();
+
+ /**
+ * Method for disabling the date picker, yet having its opacity at max.
+ */
+ abstract void formatDatePicker();
+
+ /**
+ * Displays an alert box of type error, informing of a custom error.
+ */
+ public void showErrorDialogBox(String title, String header, String content) {
+ Alert alert = new Alert(AlertType.ERROR);
+ alert.setTitle(title);
+ alert.setHeaderText(header);
+ alert.setContentText(content);
+ alert.showAndWait();
+ }
+
+ /**
+ * Method that either reads data from a file with which it fills a budget register, if this is an old budget, or instantiates a budget register if this is a new budget.
+ * @param fileName The name of the file that is being read from.
+ * @return An object of type GeneralBudget.
+ * @throws IOException If an error occurs while reading from the file.
+ */
+ public GeneralBudget loadBudgetDataFromFile(String fileName) throws IOException {
+ //Instantiate new budget
+ if (FileHandlingBudget.isEmpty(fileName)) {
+ general = new GeneralBudget(1000);
+ //throws new IOException("Not valid budget")
+ } else { //Load previous budget
+ try {
+ general = FileHandlingBudget.readGeneralBudgetFromFile(fileName);
+ } catch (IOException e) {
+ showErrorDialogBox("File error", "Error in reading from fil", "An error occurred"
+ + "when reading GeneralBudget from the file");
+ }
+ }
+ return general;
+ }
+
+ /**
+ * Method that either reads data from a file with which it fills an income register, if older changes exist, or instantiates an income register if the file is empty.
+ * @param fileName The name of the file that is being read from.
+ * @return An object of type IncomeRegister.
+ */
+ public IncomeRegister loadIncomeDataFromFile(String fileName) {
+ //Instantiate new incomeRegister
+ try {
+ if (FileHandling.isEmpty(fileName)) {
+ incomeRegister = new IncomeRegister();
+ } else { //Load previous income register
+ incomeRegister = FileHandling.readIncomeRegisterFromFile(fileName);
+ }
+ } catch (IOException ioe) {
+ showErrorDialogBox("File reading error", "Error in reading from file", "Could not"
+ + "read the IncomeRegister from file");
+ }
+ return incomeRegister;
+ }
+
+ /**
+ * Method that either reads data from a file with which it fills an expense register, if older changes exist, or instantiates an expense register if the file is empty.
+ * @param fileName The name of the file that is being read from.
+ * @return An object of type IncomeRegister.
+ */
+ public ExpenseRegister loadExpenseDataFromFile(String fileName) {
+ //Instantiate expense register
+ try {
+ if (FileHandling.isEmpty(fileName)) {
+ expenseRegister = new ExpenseRegister();
+ } else { //Load previous income register
+ expenseRegister = FileHandling.readExpenseRegisterFromFile(fileName);
+ }
+ } catch (IOException ioe) {
+ showErrorDialogBox("File reading error", "Error in reading from file", "Could not"
+ + "read the ExpenseRegister from file");
+ }
+ return expenseRegister;
+ }
+
/**
* Saves the changes made to the tableview by writing the information to a file.
* @throws IOException If an error occurs while writing to the file.
*/
- void saveDataToFile() throws IOException;
+ abstract void saveDataToFile() throws IOException;
/**
* Switches scenes, by loading a new FXML file and setting the scene to this location.
* @param event A button click on the return to main menu button
*/
- void switchScene(javafx.event.ActionEvent event);
+ abstract void switchScene(javafx.event.ActionEvent event);
}
--
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