bla bla first :)

.gitignore

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+.idea
+out

src/timertest/Controller.java

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+package timertest;
+
+import javafx.animation.Animation;
+import javafx.animation.KeyFrame;
+import javafx.animation.Timeline;
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.util.Duration;
+
+public class Controller {
+
+    @FXML private Label countLabel;
+
+    private int count = 0;
+    private int delay = 500; //default delay
+    private Timeline ticker;
+
+
+    public Controller(){
+        this.ticker = new Timeline(new KeyFrame(
+                Duration.millis(delay),
+                ae -> tick()
+            )
+        );
+        this.ticker.setCycleCount(Animation.INDEFINITE);
+    }
+
+    private void tick() {
+        this.count++;
+        this.countLabel.setText("Count: " + this.count);
+        System.out.println("Tick: " + this.count);
+    }
+
+
+    @FXML
+    private void startTimer() {
+        if (this.ticker.getStatus() == Animation.Status.RUNNING) {
+            this.ticker.setRate(this.ticker.getRate() + 1); // make timeline run faster
+            System.out.println("FASTER!");
+        } else {
+            this.ticker.play();
+            System.out.println("Start");
+        }
+
+    }
+
+    @FXML
+    private void stopTimer() {
+        System.out.println("Stop");
+        this.ticker.setRate(1.0);
+        this.ticker.stop();
+    }
+}

src/timertest/Main.java

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+package timertest;
+
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Parent;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+public class Main extends Application {
+
+    @Override
+    public void start(Stage primaryStage) throws Exception{
+        Parent root = FXMLLoader.load(getClass().getResource("main.fxml"));
+        primaryStage.setTitle("Hello World");
+        primaryStage.setScene(new Scene(root));
+        primaryStage.show();
+    }
+
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+}

src/timertest/main.fxml

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+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.RowConstraints?>
+
+<GridPane alignment="center" hgap="10" vgap="10" xmlns="http://javafx.com/javafx/8.0.112" xmlns:fx="http://javafx.com/fxml/1" fx:controller="timertest.Controller">
+   <children>
+      <Label fx:id="countLabel" alignment="CENTER" text="Count: 0" textAlignment="CENTER" GridPane.columnIndex="0" GridPane.columnSpan="2" GridPane.halignment="CENTER" GridPane.hgrow="ALWAYS" GridPane.rowIndex="0" GridPane.valignment="CENTER" />
+      <Button mnemonicParsing="false" onAction="#startTimer" text="Start Timer" GridPane.columnIndex="0" GridPane.rowIndex="1" />
+      <Button mnemonicParsing="false" onAction="#stopTimer" text="Stop Timer" GridPane.columnIndex="1" GridPane.rowIndex="1" />
+   </children>
+   <columnConstraints>
+      <ColumnConstraints />
+      <ColumnConstraints />
+   </columnConstraints>
+   <rowConstraints>
+      <RowConstraints />
+      <RowConstraints />
+   </rowConstraints>
+   <padding>
+      <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+   </padding>
+</GridPane>

timertest.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
+