Aufgabe 2+3 ausgeführt.
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romanschenk37
parent
0488d50f79
commit
70dcb3fc71
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@ -6,6 +6,14 @@ plugins {
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id 'java'
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// Apply the application plugin to add support for building a CLI application.
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id 'application'
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// Adding JavaFX support and dependencies
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id 'org.openjfx.javafxplugin' version '0.0.12'
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}
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// Configuration for JavaFX plugin
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javafx {
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version = '17'
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modules = [ 'javafx.controls', 'javafx.fxml' ]
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}
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// Project/Module information
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@ -3,8 +3,6 @@ package ch.zhaw.prog2.calculator;
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import javafx.application.Application;
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import javafx.application.Platform;
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import javafx.beans.value.ChangeListener;
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import javafx.beans.value.ObservableValue;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.geometry.Insets;
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@ -17,8 +15,28 @@ import javafx.scene.paint.Color;
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import javafx.stage.Stage;
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public class Main extends Application {
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private static int VERTICAL_GAP = 5;
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private static int HORIZONTAL_GAP = 10;
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private Stage primaryStage;
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private CheckMenuItem clearInitialAmount = new CheckMenuItem("Initial amount");
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private CheckMenuItem clearReturnInPercent = new CheckMenuItem("Return in %");
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private CheckMenuItem clearAnnualCosts = new CheckMenuItem("Annual Costs");
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private CheckMenuItem clearNumberOfYears = new CheckMenuItem("Number of years");
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private TextField initialAmount = new TextField();
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private TextField returnInPercent = new TextField();
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private TextField annualCost = new TextField();
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private TextField numberOfYears = new TextField();
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private TextArea results = new TextArea();
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private static final String INFO = """
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Enter valid values to
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- Initial amount (> 0)
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- Return in % (can be +/- or 0)
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- Annual Costs (> 0)
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- Number of years (> 0)
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Calculate displays the annual balance development!";
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""";
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public static void main(String[] args) {
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launch(args);
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@ -37,10 +55,14 @@ public class Main extends Application {
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private void mainWindow() {
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try {
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BorderPane rootPane = new BorderPane();
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//BorderPane top
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MenuBar menuBar = new MenuBar();
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createMenu(rootPane);
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// Create scene with root node with size
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createInputOutputPanel(rootPane);
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createButtons(rootPane);
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// Create scene with root node with size
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Scene scene = new Scene(rootPane, 600, 400);
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// scene.getStylesheets().add(getClass().getResource("MyLabel.css").toExternalForm());
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primaryStage.setMinWidth(280);
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@ -55,6 +77,132 @@ public class Main extends Application {
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}
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}
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private void createButtons(BorderPane rootPane) {
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HBox buttons = new HBox(HORIZONTAL_GAP);
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buttons.setAlignment(Pos.BASELINE_CENTER);
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Button closeButton = new Button("Close");
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Button calculateButton = new Button("Calculate");
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closeButton.setOnAction(e -> Platform.exit());
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calculateButton.setOnAction(new EventHandler<ActionEvent>() {
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@Override
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public void handle(ActionEvent event) {
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ValueHandler valueHandler = new ValueHandler();
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valueHandler.checkValuesAndCalculateResult(initialAmount.getText(), returnInPercent.getText(), annualCost.getText(), numberOfYears.getText());
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String result = valueHandler.getResultBound();
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if(valueHandler.areValuesOk()){
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showResult(result, true, Color.GREEN);
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} else {
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showResult(result, false, Color.RED);
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}
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}
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});
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buttons.getChildren().addAll(calculateButton, closeButton);
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buttons.setPadding(new Insets(VERTICAL_GAP, HORIZONTAL_GAP, VERTICAL_GAP, HORIZONTAL_GAP));
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rootPane.setBottom(buttons);
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}
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private void createInputOutputPanel(BorderPane rootPane) {
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VBox inputOutputPanel = new VBox(VERTICAL_GAP);
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GridPane inputPanel = new GridPane();
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VBox resultRows = new VBox();
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inputOutputPanel.getChildren().add(inputPanel);
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inputOutputPanel.getChildren().add(resultRows);
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createInputPanel(inputPanel);
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resultRows.getChildren().add(new Label("Results:"));
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resultRows.getChildren().add(results);
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resultRows.setPadding(new Insets(VERTICAL_GAP, HORIZONTAL_GAP, VERTICAL_GAP, HORIZONTAL_GAP));
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rootPane.setCenter(inputOutputPanel);
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}
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private void createInputPanel(GridPane inputPanel) {
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inputPanel.setVgap(5);
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inputPanel.setHgap(5);
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inputPanel.add(new Label("Initial amount"), 0, 1);
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inputPanel.add(new Label("Return rate in %"), 0, 2);
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inputPanel.add(new Label("Annual cost"), 0, 3);
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inputPanel.add(new Label("Number of years"), 0, 4);
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inputPanel.add(initialAmount, 1, 1);
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inputPanel.add(returnInPercent, 1, 2);
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inputPanel.add(annualCost, 1, 3);
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inputPanel.add(numberOfYears, 1, 4);
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inputPanel.setPadding(new Insets(VERTICAL_GAP, HORIZONTAL_GAP, VERTICAL_GAP, HORIZONTAL_GAP));
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}
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private void createMenu(BorderPane rootPane) {
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//BorderPane top
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MenuBar menuBar = new MenuBar();
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Menu clearMenu = new Menu("Clear");
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Menu helpMenu = new Menu("?");
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// Create MenuItems
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MenuItem clearValues = new MenuItem("Clear values");
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clearValues.setId("clearValues");
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MenuItem clearResults = new MenuItem("Clear results");
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clearResults.setId("clearResults");
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MenuItem helpShowText = new MenuItem("Show help");
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clearMenu.getItems().addAll(clearInitialAmount, clearReturnInPercent, clearAnnualCosts, clearNumberOfYears);
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clearMenu.getItems().addAll(new SeparatorMenuItem(), clearValues, new SeparatorMenuItem(), clearResults);
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helpMenu.getItems().add(helpShowText);
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menuBar.getMenus().addAll(clearMenu, helpMenu);
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//using an inner class
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ClearHandler clearHandler = new ClearHandler();
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clearValues.addEventHandler(ActionEvent.ACTION, clearHandler);
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clearResults.addEventHandler(ActionEvent.ACTION, clearHandler);
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helpShowText.setAccelerator(KeyCombination.keyCombination("F1"));
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helpShowText.setOnAction(new EventHandler<ActionEvent>() {
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@Override
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public void handle(ActionEvent event) {
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showResult(INFO, true, Color.BLUE);
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}
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});
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rootPane.setTop(menuBar);
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}
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/*
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* Handler to clear the controls
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*/
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private class ClearHandler implements EventHandler<ActionEvent> {
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@Override
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public void handle(ActionEvent event) {
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switch (((MenuItem) event.getSource()).getId()) {
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case "clearValues" -> {
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if (clearInitialAmount.isSelected()) {
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initialAmount.clear();
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}
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if (clearAnnualCosts.isSelected()) {
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annualCost.clear();
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}
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if (clearNumberOfYears.isSelected()) {
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numberOfYears.clear();
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}
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if (clearReturnInPercent.isSelected()) {
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returnInPercent.clear();
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}
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}
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case "clearResults" -> results.clear();
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}
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}
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}
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private void showResult(String text, boolean clearFirst, Color backColor){
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if(clearFirst) {
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results.setText(text);
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}else{
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results.appendText("\n" + text);
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}
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results.setBorder(new Border(new BorderStroke(backColor, BorderStrokeStyle.SOLID, CornerRadii.EMPTY, new BorderWidths(1))));
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}
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}
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