From 384dc2d85313df09d4c470b2a272d8ab2d91a891 Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Fri, 18 Nov 2022 11:34:53 +0100
Subject: [PATCH 01/13] completed Tests for GardenScheduleTest

---
 .../GardenScheduleTest.java                   | 86 +++++++++++++------
 1 file changed, 62 insertions(+), 24 deletions(-)
 rename src/test/java/ch/zhaw/gartenverwaltung/{taskList => models}/GardenScheduleTest.java (57%)

diff --git a/src/test/java/ch/zhaw/gartenverwaltung/taskList/GardenScheduleTest.java b/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
similarity index 57%
rename from src/test/java/ch/zhaw/gartenverwaltung/taskList/GardenScheduleTest.java
rename to src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
index cf354de..0cadffb 100644
--- a/src/test/java/ch/zhaw/gartenverwaltung/taskList/GardenScheduleTest.java
+++ b/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
@@ -1,35 +1,45 @@
-package ch.zhaw.gartenverwaltung.taskList;
+package ch.zhaw.gartenverwaltung.models;
 
 import ch.zhaw.gartenverwaltung.io.*;
 import ch.zhaw.gartenverwaltung.models.GardenSchedule;
-import ch.zhaw.gartenverwaltung.types.HardinessZone;
-import ch.zhaw.gartenverwaltung.types.Plant;
-import ch.zhaw.gartenverwaltung.types.Task;
+import ch.zhaw.gartenverwaltung.types.*;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import java.io.IOException;
 import java.time.LocalDate;
+import java.time.MonthDay;
 import java.util.*;
 
 import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.*;
 
 class GardenScheduleTest {
+    LocalDate exampleStartDate = LocalDate.of(2020, 02, 02);
     TaskList taskList;
     PlantList plantList;
+    List<Plant> examplePlantList;
     List<Task> exampleTaskList;
-    Map<Long, Plant> examplePlantMap;
+    List<TaskTemplate> exampleTaskTemplateList;
     GardenSchedule model;
 
     @BeforeEach
-    void setUp() throws IOException {
+    void setUp() throws IOException, HardinessZoneNotSetException {
         createExampleTaskList();
+        createExampleTaskTemplateList();
+        createExamplePlantList();
         taskList = mockTaskDatabase(exampleTaskList);
-        plantList = mockPlantDatabase(examplePlantMap);
+        plantList = mockPlantDatabase(examplePlantList);
         model = new GardenSchedule(taskList, plantList);
     }
 
+    PlantList mockPlantDatabase(List<Plant> plantList) throws HardinessZoneNotSetException, IOException {
+        PlantList plantDatabase = mock(JsonPlantList.class);
+        when(plantDatabase.getPlantList(HardinessZone.ZONE_8A)).thenReturn(plantList);
+        when(plantDatabase.getPlantById(HardinessZone.ZONE_8A,20)).thenReturn(Optional.of(examplePlantList.get(0)));
+        return plantDatabase;
+    }
+
     private TaskList mockTaskDatabase(List<Task> exampleTaskList) throws IOException {
         TaskList taskList = mock(JsonTaskList.class);
         when(taskList.getTaskList(LocalDate.MIN, LocalDate.MAX)).thenReturn(exampleTaskList);
@@ -54,18 +64,39 @@ class GardenScheduleTest {
         return taskList;
     }
 
-    private PlantList mockPlantDatabase(Map<Long, Plant> examplePlantMap) {
-        return new PlantList() {
-            @Override
-            public List<Plant> getPlantList(HardinessZone zone) {
-                return null;
-            }
+    void createExampleTaskTemplateList(){
+        exampleTaskTemplateList = new ArrayList<>();
+        exampleTaskTemplateList.add(mock(TaskTemplate.class));
+        exampleTaskTemplateList.add(mock(TaskTemplate.class));
+        exampleTaskTemplateList.add(mock(TaskTemplate.class));
+        exampleTaskTemplateList.add(mock(TaskTemplate.class));
+        when(exampleTaskTemplateList.get(0).generateTask(exampleStartDate, 30)).thenReturn(exampleTaskList.get(0));
+        when(exampleTaskTemplateList.get(1).generateTask(exampleStartDate, 30)).thenReturn(exampleTaskList.get(1));
+        when(exampleTaskTemplateList.get(2).generateTask(exampleStartDate, 30)).thenReturn(exampleTaskList.get(2));
+        when(exampleTaskTemplateList.get(3).generateTask(exampleStartDate, 30)).thenReturn(exampleTaskList.get(3));
+    }
 
-            @Override
-            public Optional<Plant> getPlantById(HardinessZone zone, long id) {
-                return Optional.ofNullable(examplePlantMap.get(id));
-            }
-        };
+    void createExamplePlantList(){
+        examplePlantList = new ArrayList<>();
+        examplePlantList.add(new Plant(
+                20,
+                "summertime onion",
+                "Onion, (Allium cepa), herbaceous biennial plant in the amaryllis family (Amaryllidaceae) grown for its edible bulb. The onion is likely native to southwestern Asia but is now grown throughout the world, chiefly in the temperate zones. Onions are low in nutrients but are valued for their flavour and are used widely in cooking. They add flavour to such dishes as stews, roasts, soups, and salads and are also served as a cooked vegetable.",
+                null,
+                "15,30,2",
+                0,
+                "sandy to loamy, loose soil, free of stones",
+                new ArrayList<>(),
+                List.of(
+                        new GrowthPhase(MonthDay.of(6, 4), MonthDay.of(12, 4), 0, new WateringCycle(0, 0, null), GrowthPhaseType.HARVEST, HardinessZone.ZONE_8A, List.of(
+                                exampleTaskTemplateList.get(0),
+                                exampleTaskTemplateList.get(1)
+                        )),
+                        new GrowthPhase(MonthDay.of(4, 3), MonthDay.of(12, 4), 0, new WateringCycle(0, 0, null), GrowthPhaseType.PLANT, HardinessZone.ZONE_8A, List.of(
+                                exampleTaskTemplateList.get(2),
+                                exampleTaskTemplateList.get(3)
+                        ))
+                )));
     }
 
     void createExampleTaskList() {
@@ -77,12 +108,6 @@ class GardenScheduleTest {
         exampleTaskList.add(new Task("name", "description", LocalDate.of(2019, 5, 5), 2L));
     }
 
-    void createExamplePlantMap() {
-        examplePlantMap = new HashMap<>();
-    }
-
-
-
     @Test
     void addTask() throws IOException {
         Task taskToAdd = new Task("name", "description", LocalDate.now(), 1L);
@@ -156,4 +181,17 @@ class GardenScheduleTest {
         model.removeTasksForCrop(1L);
         verify(taskList, times(1)).removeTasksForCrop(1L);
     }
+
+    @Test
+    void planTasksForCrop() throws HardinessZoneNotSetException, PlantNotFoundException, IOException {
+        model.planTasksForCrop(new Crop(20, exampleStartDate).withId(30));
+        verify(exampleTaskTemplateList.get(0), times(1)).generateTask(exampleStartDate, 30);
+        verify(exampleTaskTemplateList.get(1), times(1)).generateTask(exampleStartDate, 30);
+        verify(exampleTaskTemplateList.get(2), times(1)).generateTask(exampleStartDate, 30);
+        verify(exampleTaskTemplateList.get(3), times(1)).generateTask(exampleStartDate, 30);
+        verify(taskList, times(1)).saveTask(exampleTaskList.get(0));
+        verify(taskList, times(1)).saveTask(exampleTaskList.get(1));
+        verify(taskList, times(1)).saveTask(exampleTaskList.get(2));
+        verify(taskList, times(1)).saveTask(exampleTaskList.get(3));
+    }
 }
\ No newline at end of file

From 165dc6d9015147e38949c0e94af2090849120247 Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Fri, 18 Nov 2022 12:21:21 +0100
Subject: [PATCH 02/13] implemented Method getGrowphaseGroupForDate

---
 .../zhaw/gartenverwaltung/models/GardenSchedule.java  |  3 ++-
 .../java/ch/zhaw/gartenverwaltung/types/Plant.java    | 11 +++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
index 9195d51..a362f00 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
@@ -46,7 +46,8 @@ public class GardenSchedule {
      */
     public void planTasksForCrop(Crop crop) throws PlantNotFoundException, HardinessZoneNotSetException, IOException {
         Plant plant = plantList.getPlantById(Settings.getInstance().getCurrentHardinessZone(), crop.getPlantId()).orElseThrow(PlantNotFoundException::new);
-        for (GrowthPhase growthPhase : plant.lifecycle()) {
+        int growPhaseGroup = plant.getGrowphaseGroupForDate(crop.getStartDate());
+        for (GrowthPhase growthPhase : plant.lifecycleForGroup(growPhaseGroup)) {
             for (TaskTemplate taskTemplate : growthPhase.taskTemplates()) {
                 addTask(taskTemplate.generateTask(crop.getStartDate(), crop.getCropId().orElse(0L)));
             }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java b/src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java
index 9cb3d08..5fb6dff 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/Plant.java
@@ -3,6 +3,7 @@ package ch.zhaw.gartenverwaltung.types;
 import javafx.scene.image.Image;
 
 import java.time.LocalDate;
+import java.time.MonthDay;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -39,6 +40,16 @@ public record Plant(
                 .collect(Collectors.toList());
     }
 
+    public int getGrowphaseGroupForDate(LocalDate date) {
+        for(GrowthPhase growthPhase : lifecycle){
+            MonthDay plantingDate = MonthDay.of(date.getMonth().getValue(), date.getDayOfMonth());
+            if(plantingDate.isAfter(growthPhase.startDate()) && plantingDate.isBefore(growthPhase.endDate())){
+                return growthPhase.group();
+            }
+        }
+        return 0; // TODO implement
+    }
+
     /**
      * get sow date from given harvest day from lifecycle group
      * @param harvestDate date of the harvest

From bcb36b89c7b025d8c89673a016de4b834ac956d2 Mon Sep 17 00:00:00 2001
From: David Guler <gulerdav@students.zhaw.ch>
Date: Wed, 23 Nov 2022 21:55:35 +0100
Subject: [PATCH 03/13] feature: added tutorial window

---
 .../gartenverwaltung/MainFXMLController.java  |  40 +++--
 .../gartenverwaltung/TutorialController.java  |  55 +++++++
 .../ch/zhaw/gartenverwaltung/MainFXML.fxml    |   2 +-
 .../ch/zhaw/gartenverwaltung/Tutorial.fxml    | 148 ++++++++++++++++--
 4 files changed, 215 insertions(+), 30 deletions(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java b/src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java
index 2cc05d3..33a67c5 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/MainFXMLController.java
@@ -11,6 +11,9 @@ import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.Pane;
+import javafx.stage.Modality;
+import javafx.stage.Stage;
+import javafx.stage.WindowEvent;
 
 import java.io.IOException;
 import java.util.logging.Level;
@@ -40,6 +43,9 @@ public class MainFXMLController {
     @FXML
     private Button tutorial_button;
 
+    private final Stage tutorialModal = new Stage();
+
+
     /**
      * go to home pane
      */
@@ -95,11 +101,23 @@ public class MainFXMLController {
     }
 
     /**
-     * go to Tutorial pane
+     * Show the tutorial window
      */
-    public void goToTutorial() {
-        showPaneAsMainView("Tutorial.fxml");
-        styleChangeButton(tutorial_button);
+    public void showTutorial() {
+        if (!tutorialModal.isShowing()) {
+            if (tutorialModal.getScene() == null) {
+                try {
+                    appLoader.loadSceneToStage("Tutorial.fxml", tutorialModal);
+                    tutorialModal.initModality(Modality.NONE);
+                    tutorialModal.setResizable(false);
+                    tutorialModal.sizeToScene();
+                } catch (IOException e) {
+                    LOG.log(Level.SEVERE, "Could not load Tutorial");
+                }
+            }
+            tutorialModal.show();
+        }
+        tutorialModal.requestFocus();
     }
 
     /**
@@ -132,7 +150,6 @@ public class MainFXMLController {
         appLoader.loadAndCacheFxml("MyGarden.fxml");
         appLoader.loadAndCacheFxml("MySchedule.fxml");
         appLoader.loadAndCacheFxml("Plants.fxml");
-        appLoader.loadAndCacheFxml("Tutorial.fxml");
     }
 
     private void styleChangeButton(Button button) {
@@ -153,12 +170,14 @@ public class MainFXMLController {
         } catch (IOException e) {
             LOG.log(Level.SEVERE, "Failed to load FXML-Pane!", e);
         }
+        mainPane.getScene().getWindow().setOnCloseRequest(this::closeWindowHandler);
         setIconToButton(home_button, "homeIcon.png");
         setIconToButton(settings_button, "settingsIcon.png");
-        Settings.getInstance().getShowTutorialProperty().addListener((observable, oldValue, newValue) -> {
-            tutorial_button.setVisible(newValue);
-        });
-        tutorial_button.setVisible(Settings.getInstance().getShowTutorial());
+        tutorial_button.visibleProperty().bind(Settings.getInstance().getShowTutorialProperty());
+    }
+
+    private void closeWindowHandler(WindowEvent windowEvent) {
+        tutorialModal.close();
     }
 
     /**
@@ -173,7 +192,4 @@ public class MainFXMLController {
         imageView.setPreserveRatio(true);
         button.setGraphic(imageView);
     }
-
-
 }
-
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/TutorialController.java b/src/main/java/ch/zhaw/gartenverwaltung/TutorialController.java
index aa02930..a1de10b 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/TutorialController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/TutorialController.java
@@ -1,6 +1,61 @@
 package ch.zhaw.gartenverwaltung;
 
 
+import javafx.fxml.FXML;
+import javafx.scene.control.Button;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+
 public class TutorialController {
 
+    @FXML
+    public Button previousPageButton;
+    @FXML
+    public Button nextPageButton;
+    @FXML
+    public StackPane tourPages;
+    public ImageView imgAddNewPlant;
+    public ImageView imgTaskList;
+    public ImageView imgSelectDate;
+
+    private int page = 0;
+
+    @FXML
+    public void initialize() {
+        switchViews();
+        setButtonAbilities();
+
+        Image placeholder = new Image(String.valueOf(PlantsController.class.getResource("placeholder.png")));
+        imgAddNewPlant.setImage(placeholder);
+        imgSelectDate.setImage(placeholder);
+        imgTaskList.setImage(placeholder);
+    }
+
+    public void viewNextPage() {
+        page++;
+        switchViews();
+        setButtonAbilities();
+    }
+    public void viewPreviousPage() {
+        page--;
+        switchViews();
+        setButtonAbilities();
+    }
+
+    private void setButtonAbilities() {
+        previousPageButton.setDisable(page <= 0);
+        nextPageButton.setDisable(page >= tourPages.getChildren().size() - 1);
+    }
+
+    private void switchViews() {
+        tourPages.getChildren().forEach(node -> node.setOpacity(0));
+        tourPages.getChildren().get(page).setOpacity(1);
+    }
+
+    public void closeTutorial() {
+        Stage root = (Stage) tourPages.getScene().getWindow();
+        root.close();
+    }
 }
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/MainFXML.fxml b/src/main/resources/ch/zhaw/gartenverwaltung/MainFXML.fxml
index ddca3e3..74a6e34 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/MainFXML.fxml
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/MainFXML.fxml
@@ -12,7 +12,7 @@
             <Button fx:id="home_button" mnemonicParsing="false" onAction="#goToHome" prefHeight="38.0" prefWidth="40.0" HBox.hgrow="NEVER" />
             <Button fx:id="myGarden_button" layoutX="10.0" layoutY="10.0" mnemonicParsing="false" onAction="#goToMyPlants" prefHeight="38.0" prefWidth="121.0" text="My Garden" />
             <Button fx:id="mySchedule_button" layoutX="10.0" layoutY="10.0" mnemonicParsing="false" onAction="#goToMySchedule" prefHeight="38.0" prefWidth="121.0" text="My Schedule" />
-            <Button fx:id="tutorial_button" layoutX="10.0" layoutY="10.0" mnemonicParsing="false" onAction="#goToTutorial" prefHeight="38.0" prefWidth="121.0" text="Tutorial" />
+            <Button fx:id="tutorial_button" layoutX="10.0" layoutY="10.0" mnemonicParsing="false" onAction="#showTutorial" prefHeight="38.0" prefWidth="121.0" text="Tutorial" />
             <Pane maxWidth="1.7976931348623157E308" prefHeight="200.0" prefWidth="200.0" HBox.hgrow="ALWAYS" />
             <Button fx:id="settings_button" maxHeight="1.7976931348623157E308" mnemonicParsing="false" onAction="#openSettings" prefHeight="38.0" prefWidth="40.0" HBox.hgrow="NEVER" />
          </children>
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml b/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
index f86ce0b..52ec6a7 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
@@ -1,27 +1,141 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <?import javafx.geometry.Insets?>
-<?import javafx.scene.control.Label?>
-<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.ButtonBar?>
+<?import javafx.scene.control.CheckBox?>
+<?import javafx.scene.control.Separator?>
+<?import javafx.scene.image.ImageView?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.StackPane?>
 <?import javafx.scene.layout.VBox?>
 <?import javafx.scene.text.Font?>
+<?import javafx.scene.text.Text?>
+<?import javafx.scene.text.TextFlow?>
 
-
-<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/17"
-            xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TutorialController">
-   <children>
-      <VBox layoutX="7.0" layoutY="8.0" prefHeight="200.0" prefWidth="100.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+<BorderPane maxHeight="470.0" maxWidth="724.0" minHeight="470.0" minWidth="724.0" prefHeight="470.0" prefWidth="724.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TutorialController">
+   <bottom>
+      <HBox alignment="CENTER" prefHeight="0.0" prefWidth="724.0" BorderPane.alignment="CENTER">
          <children>
-            <Label text="Tutorial">
-               <font>
-                  <Font size="18.0" />
-               </font>
-            </Label>
-            <Label text="To be added" />
+            <CheckBox mnemonicParsing="false" text="Don't show again" />
+            <Separator prefWidth="50.0" visible="false" HBox.hgrow="ALWAYS" />
+            <ButtonBar prefHeight="40.0" prefWidth="200.0">
+              <buttons>
+                  <Button cancelButton="true" contentDisplay="CENTER" graphicTextGap="5.0" mnemonicParsing="false" text="Close" onAction="#closeTutorial"/>
+                <Button fx:id="previousPageButton" mnemonicParsing="false" text="Previous" onAction="#viewPreviousPage"/>
+                  <Button fx:id="nextPageButton" defaultButton="true" mnemonicParsing="false" text="Next" onAction="#viewNextPage" />
+              </buttons>
+            </ButtonBar>
          </children>
          <padding>
-            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+            <Insets bottom="15.0" left="15.0" right="15.0" top="15.0" />
          </padding>
-      </VBox>
-   </children>
-</AnchorPane>
+      </HBox>
+   </bottom>
+   <center>
+      <StackPane fx:id="tourPages" prefHeight="150.0" prefWidth="200.0" BorderPane.alignment="CENTER">
+         <children>
+            <VBox layoutX="30.0" layoutY="26.0" opacity="0.0" prefHeight="200.0" prefWidth="100.0">
+               <children>
+                  <Text strokeType="OUTSIDE" strokeWidth="0.0" text="Managing Your Crops">
+                     <font>
+                        <Font size="24.0" />
+                     </font>
+                  </Text>
+                  <Separator prefWidth="200.0">
+                     <VBox.margin>
+                        <Insets bottom="15.0" top="10.0" />
+                     </VBox.margin>
+                  </Separator>
+                  <Text strokeType="OUTSIDE" strokeWidth="0.0" text="In the &quot;My Garden&quot; tab, you can see all of the plants you're planning on growing.">
+                     <VBox.margin>
+                        <Insets bottom="20.0" />
+                     </VBox.margin>
+                  </Text>
+                  <HBox prefHeight="100.0" prefWidth="200.0">
+                     <children>
+                        <TextFlow lineSpacing="4.0" prefHeight="90.0" prefWidth="500.0">
+                           <children>
+                              <Text strokeType="OUTSIDE" strokeWidth="0.0" text="To get started, click on the &quot;Add new Plant&quot; button in the bottom left. This will open a list of all the plants you can grow.&#10;Use the search bar at the top, the filters on the left, or simply browse the list until you've found a plant you want to grow in your garden." wrappingWidth="345.80316162109375" />
+                           </children>
+                           <HBox.margin>
+                              <Insets bottom="20.0" />
+                           </HBox.margin>
+                        </TextFlow>
+                        <Separator prefWidth="200.0" visible="false" HBox.hgrow="ALWAYS" />
+                        <ImageView fx:id="imgAddNewPlant" fitHeight="98.0" fitWidth="200.0" pickOnBounds="true" preserveRatio="true" />
+                     </children>
+                  </HBox>
+                  <HBox prefHeight="100.0" prefWidth="200.0">
+                     <children>
+                        <TextFlow lineSpacing="4.0" prefHeight="200.0" prefWidth="500.0">
+                           <children>
+                              <Text strokeType="OUTSIDE" strokeWidth="0.0" text="Once you've found what you're looking for, click the &quot;Select Sow/Harvest Date&quot; button at the bottom of the window.&#10;In the subsequently shown dialog, you can select the date you'd like to sow or harvest the crop. The date selector shows possible dates in green. Confirm your selection with the &quot;Save&quot; button." />
+                           </children>
+                        </TextFlow>
+                        <Separator prefWidth="200.0" visible="false" HBox.hgrow="ALWAYS" />
+                        <ImageView fx:id="imgSelectDate" fitHeight="150.0" fitWidth="200.0" pickOnBounds="true" preserveRatio="true" />
+                     </children>
+                  </HBox>
+               </children>
+               <opaqueInsets>
+                  <Insets />
+               </opaqueInsets>
+            </VBox>
+            <VBox prefHeight="200.0" prefWidth="100.0">
+               <children>
+                  <Text strokeType="OUTSIDE" strokeWidth="0.0" text="Managing Your Tasks">
+                     <font>
+                        <Font size="24.0" />
+                     </font>
+                  </Text>
+                  <Separator prefWidth="200.0">
+                     <VBox.margin>
+                        <Insets bottom="15.0" top="10.0" />
+                     </VBox.margin>
+                  </Separator>
+                  <Text strokeType="OUTSIDE" strokeWidth="0.0" text="In the &quot;My Schedule&quot; tab, you can see all of the tasks you need to complete for a successful harvest.">
+                     <VBox.margin>
+                        <Insets bottom="20.0" />
+                     </VBox.margin>
+                  </Text>
+                  <HBox prefHeight="100.0" prefWidth="200.0">
+                     <children>
+                        <TextFlow lineSpacing="4.0" prefHeight="90.0" prefWidth="500.0">
+                           <children>
+                              <Text strokeType="OUTSIDE" strokeWidth="0.0" text="You can view the tasks for a specific crop by selecting it from the left sidebar.&#10;To see all tasks again, click the &quot;Clear Filter&quot; button at the bottom." wrappingWidth="345.80316162109375" />
+                           </children>
+                           <HBox.margin>
+                              <Insets bottom="20.0" />
+                           </HBox.margin>
+                        </TextFlow>
+                        <Separator prefWidth="200.0" visible="false" HBox.hgrow="ALWAYS" />
+                        <ImageView fx:id="imgTaskList" fitHeight="98.0" fitWidth="200.0" pickOnBounds="true" preserveRatio="true" />
+                     </children>
+                  </HBox>
+                  <HBox prefHeight="100.0" prefWidth="200.0">
+                     <children>
+                        <TextFlow lineSpacing="4.0" prefHeight="200.0" prefWidth="500.0">
+                           <children>
+                              <Text strokeType="OUTSIDE" strokeWidth="0.0" text="You can also add your own custom tasks, by clicking the &quot;Add Task&quot; button.&#10;In the subsequently shown dialog, you can enter the corresponding details.&#10;&#10;Note: If you want to make a task recurring, you need to set both an interval (in days) AND an end date, so the task won't repeat for all eternity." />
+                           </children>
+                        </TextFlow>
+                        <Separator prefWidth="200.0" visible="false" HBox.hgrow="ALWAYS" />
+                        <ImageView fitHeight="150.0" fitWidth="200.0" pickOnBounds="true" preserveRatio="true" />
+                     </children></HBox>
+               </children>
+               <opaqueInsets>
+                  <Insets />
+               </opaqueInsets>
+            </VBox>
+         </children>
+         <BorderPane.margin>
+            <Insets />
+         </BorderPane.margin>
+         <padding>
+            <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+         </padding>
+      </StackPane>
+   </center>
+</BorderPane>

From 775e35a70b0ea5719b4ba1d1ea916dcfde584a9b Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Thu, 24 Nov 2022 22:18:08 +0100
Subject: [PATCH 04/13] new Structure of Task

---
 .../ch/zhaw/gartenverwaltung/types/Task.java  | 27 +++++++++++++++++++
 .../gartenverwaltung/types/TaskTemplate.java  |  4 ---
 .../ch/zhaw/gartenverwaltung/io/plantdb.json  | 27 +++++++------------
 3 files changed, 36 insertions(+), 22 deletions(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
index df15fc4..dab4d39 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
@@ -15,6 +15,8 @@ public class Task {
     private final LocalDate startDate;
     private Integer interval;
     private LocalDate endDate;
+    private LocalDate nextExecution;
+    private LocalDate nextNotification;
     private long cropId;
 
     /**
@@ -25,12 +27,14 @@ public class Task {
         name= "";
         description= "";
         startDate = LocalDate.now();
+        nextExecution = startDate;
     }
 
     public Task(String name, String description, LocalDate startDate, long cropId) {
         this.name = name;
         this.description = description;
         this.startDate = startDate;
+        nextExecution = startDate;
         this.cropId = cropId;
     }
 
@@ -38,6 +42,7 @@ public class Task {
         this.name = name;
         this.description = description;
         this.startDate = startDate;
+        nextExecution = startDate;
         this.endDate = endDate;
         this.interval = interval;
         this.cropId = cropId;
@@ -61,7 +66,29 @@ public class Task {
         return startDate.isAfter(searchStartDate) && startDate.isBefore(searchEndDate);
     }
 
+    public void done(){
+        if(interval != null && !nextExecution.plusDays(interval).isAfter(endDate)){
+            nextExecution = nextExecution.plusDays(interval);
+        } else {
+            nextExecution = null;
+        }
+    }
+
+    public boolean isDone(){
+        return nextExecution == null;
+    }
+
+    public void setNextExecution(LocalDate nextExecution) {
+        this.nextExecution = nextExecution;
+    }
+
+    public void setNextNotification(LocalDate nextNotification) {
+        this.nextNotification = nextNotification;
+    }
+
     // Getters
+    public LocalDate getNextNotification() { return nextNotification; }
+    public LocalDate getNextExecution() { return nextExecution; }
     public Optional<Long> getId() { return Optional.ofNullable(id); }
     public String getName() { return name; }
     public String getDescription() { return description; }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java b/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
index 2e471cb..d094665 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
@@ -16,10 +16,6 @@ public class TaskTemplate {
     @JsonProperty
     private Integer interval;
 
-    // TODO: reconsider if we need this
-    @JsonProperty
-    private boolean isOptional = false;
-
     /**
      * Default constructor
      * (Used by deserializer)
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/io/plantdb.json b/src/main/resources/ch/zhaw/gartenverwaltung/io/plantdb.json
index 8cacaeb..fac9a5b 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/io/plantdb.json
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/io/plantdb.json
@@ -32,8 +32,7 @@
             "relativeStartDate": -14,
             "relativeEndDate": null,
             "description": "Take an egg carton and fill it with soil. Put the seedling deep enough so its half covered with soil. Keep it in 10-15 * Celsius with lots of light.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -54,8 +53,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "When the plants are 20 cm tall, begin hilling the potatoes by gently mounding the soil from the center of your rows around the stems of the plant. Mound up the soil around the plant until just the top few leaves show above the soil. Two weeks later, hill up the soil again when the plants grow another 20 cm.",
-            "interval": 21,
-            "isOptional": false
+            "interval": 21
           }
         ]
       },
@@ -76,8 +74,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Once the foliage has wilted and dried completely, harvest on a dry day. Store in a dark and cool location.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }
@@ -106,8 +103,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 0,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -130,8 +126,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": 15,
-            "isOptional": true
+            "interval": 15
           }
         ]
       },
@@ -152,8 +147,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 14,
             "description": "When the leaves turn to a yellowish brown. Do not harvest earlier. The plant will show when it's ready.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }
@@ -192,8 +186,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 0,
             "description": "Plant the sets about 5cm deep into the soil.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -216,8 +209,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": 15,
-            "isOptional": true
+            "interval": 15
           }
         ]
       },
@@ -239,8 +231,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 14,
             "description": "When ready for harvest, the leaves on your onion plants will start to flop over. This happens at the \"neck\" of the onion and it signals that the plant has stopped growing and is ready for storage. Onions should be harvested soon thereafter",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }

From b2c0886e4647bd445bd02ae04816e7a187035e57 Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Thu, 24 Nov 2022 22:27:16 +0100
Subject: [PATCH 05/13] new Structure of taskdb.json

---
 .../ch/zhaw/gartenverwaltung/io/taskdb.json    | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json b/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
index 6d40011..7b86231 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/io/taskdb.json
@@ -4,8 +4,10 @@
     "name": "sow plant",
     "description": "Plant the seeds, crops in de bed.",
     "startDate": "2022-05-01",
+    "nextExecution": "2022-05-01",
+    "nextNotification": "2022-05-01",
     "endDate": "2022-05-01",
-    "interval": 0,
+    "interval": null,
     "cropId": 0
   },
   {
@@ -13,6 +15,8 @@
     "name": "water plant",
     "description": "water the plant, so that the soil is wet around the plant.",
     "startDate": "2022-05-01",
+    "nextExecution": "2022-05-01",
+    "nextNotification": "2022-05-01",
     "endDate": "2022-09-01",
     "interval": 2,
     "cropId": 0
@@ -22,6 +26,8 @@
     "name": "fertilize plant",
     "description": "The fertilizer has to be mixed with water. Then fertilize the plants soil with the mixture",
     "startDate": "2022-06-01",
+    "nextExecution": "2022-06-01",
+    "nextNotification": "2022-06-01",
     "endDate": "2022-08-01",
     "interval": 28,
     "cropId": 0
@@ -31,8 +37,10 @@
     "name": "covering plant",
     "description": "Take a big enough coverage for the plants. Cover the whole plant with a bit space between the plant and the coverage",
     "startDate": "2022-07-01",
+    "nextExecution": "2022-07-01",
+    "nextNotification": "2022-07-01",
     "endDate": "2022-07-01",
-    "interval": 0,
+    "interval": null,
     "cropId": 0
   },
   {
@@ -40,6 +48,8 @@
     "name": "look after plant",
     "description": "Look for pest or illness at the leaves of the plant. Check the soil around the plant, if the roots are enough covered with soil",
     "startDate": "2022-05-01",
+    "nextExecution": "2022-05-01",
+    "nextNotification": "2022-05-01",
     "endDate": "2022-09-01",
     "interval": 5,
     "cropId": 0
@@ -49,8 +59,10 @@
     "name": "harvest plant",
     "description": "Pull the ripe vegetables out from the soil. Clean them with clear, fresh water. ",
     "startDate": "2022-09-01",
+    "nextExecution": "2022-09-01",
+    "nextNotification": "2022-09-01",
     "endDate": "2022-09-01",
-    "interval": 0,
+    "interval": null,
     "cropId": 0
   }
 ]
\ No newline at end of file

From 6b7a6f095d4448fc21a431aa844560748e6ea291 Mon Sep 17 00:00:00 2001
From: giavaphi <giavaphi@students.zhaw.ch>
Date: Thu, 24 Nov 2022 23:18:14 +0100
Subject: [PATCH 06/13] dialog pane for location and area of crop

---
 .../CropDetailController.java                 | 40 +++++++++++++++++--
 .../TextFieldFormularController.java          | 27 +++++++++++++
 .../gartenverwaltung/TextFieldFormular.fxml   | 22 ++++++++++
 3 files changed, 85 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
 create mode 100644 src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
index 7ec8652..dd7e803 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
@@ -104,16 +104,16 @@ public class CropDetailController {
      * open dialog to set area
      */
     @FXML
-    void setArea() {
-
+    void setArea() throws IOException {
+        openTextFieldDialog("set Text Area", "Text Area", area_label.getText(), false);
     }
 
     /**
      * open dialog to set location
      */
     @FXML
-    void setLocation() {
-
+    void setLocation() throws IOException {
+        openTextFieldDialog("set Location", "Location", location_label.getText(), true);
     }
 
     /**
@@ -300,4 +300,36 @@ public class CropDetailController {
         }
 
     }
+
+    private void openTextFieldDialog(String title, String labelDescription, String value, boolean isLocation) throws IOException {
+        Dialog<String> dialog = new Dialog<>();
+        dialog.setTitle(title);
+        dialog.setHeaderText(title);
+        dialog.setResizable(false);
+
+        DialogPane dialogPane = dialog.getDialogPane();
+
+        ButtonType save = new ButtonType("Save", ButtonBar.ButtonData.OK_DONE);
+        dialogPane.getButtonTypes().addAll(save, ButtonType.CANCEL);
+
+        if (appLoader.loadPaneToDialog("TextFieldFormular.fxml", dialogPane) instanceof TextFieldFormularController controller) {
+            controller.setDescription_label(labelDescription);
+            controller.setValueTextArea(value);
+
+            dialog.setResultConverter(button -> button.equals(save) ? controller.getValue() : null);
+
+            dialog.showAndWait()
+                    .ifPresent(string -> {
+                        if (isLocation) {
+                            System.out.println(string);
+                            //ToDo method to set location
+                            location_label.setText(string);
+                        } else {
+                            System.out.println(string);
+                            //ToDo method to set area of crop in garden
+                            area_label.setText(string);
+                        }
+                    });
+        }
+    }
 }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java b/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
new file mode 100644
index 0000000..ebbbfe2
--- /dev/null
+++ b/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
@@ -0,0 +1,27 @@
+package ch.zhaw.gartenverwaltung;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextField;
+
+public class TextFieldFormularController {
+
+    @FXML
+    private Label description_label;
+
+    @FXML
+    private TextField text_area;
+
+
+    public void setDescription_label(String string) {
+        description_label.setText(string);
+    }
+
+    public void setValueTextArea(String string) {
+        text_area.setText(string);
+    }
+
+    public String getValue() {
+        return text_area.getText();
+    }
+}
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml b/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml
new file mode 100644
index 0000000..2d4dfdc
--- /dev/null
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.HBox?>
+
+
+<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="64.0" prefWidth="298.0" xmlns="http://javafx.com/javafx/1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TextFieldFormularController">
+   <children>
+      <HBox alignment="CENTER" layoutX="153.0" layoutY="33.0" prefHeight="100.0" prefWidth="200.0" spacing="10.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+         <children>
+            <Label fx:id="description_label" maxWidth="1.7976931348623157E308" text="Label" HBox.hgrow="ALWAYS" />
+            <TextField fx:id="text_area" HBox.hgrow="NEVER" />
+         </children>
+         <padding>
+            <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+         </padding>
+      </HBox>
+   </children>
+</AnchorPane>

From df19edb25a419a65b611feac9ef21156d50605a0 Mon Sep 17 00:00:00 2001
From: giavaphi <giavaphi@students.zhaw.ch>
Date: Thu, 24 Nov 2022 23:55:54 +0100
Subject: [PATCH 07/13] delete tasks

---
 .../CropDetailController.java                 | 26 +++++++++++++++++++
 .../gartenverwaltung/types/TaskTemplate.java  |  4 +++
 2 files changed, 30 insertions(+)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
index dd7e803..90f52d8 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
@@ -218,6 +218,7 @@ public class CropDetailController {
         setIconToButton(edit, "editIcon.png");
         setIconToButton(delete, "deleteIcon.png");
         edit.setOnAction(getEditTaskEvent(task));
+        delete.setOnAction(deleteTask(task));
 
         hBox.getChildren().addAll(taskName, taskDescription, edit, delete);
         return hBox;
@@ -260,6 +261,12 @@ public class CropDetailController {
         };
     }
 
+    private EventHandler<ActionEvent> deleteTask(Task task) {
+        return (event) -> {
+            showDeleteTask(task);
+        };
+    }
+
     private void createTaskDialog(boolean newTask, Task givenTask) throws IOException {
         Dialog<Task> dialog = new Dialog<>();
         dialog.setTitle("Set Task");
@@ -332,4 +339,23 @@ public class CropDetailController {
                     });
         }
     }
+
+    private void showDeleteTask(Task task) {
+        Alert alert = new Alert(Alert.AlertType.CONFIRMATION);
+        alert.setTitle("Delete " + task.getName());
+        alert.setHeaderText("Are you sure want to delete this Task?");
+
+        alert.showAndWait()
+                .ifPresent(buttonType -> {
+                    if (buttonType == ButtonType.OK) {
+                        try {
+                            gardenSchedule.removeTask(task);
+                            setTaskListProperty(this.crop);
+                        } catch (IOException e) {
+                            // TODO: Show error alert
+                            LOG.log(Level.SEVERE, "Could not remove crop.", e);
+                        }
+                    }
+                });
+    }
 }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java b/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
index 2e471cb..7298fd2 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/TaskTemplate.java
@@ -48,6 +48,10 @@ public class TaskTemplate {
     public Task generateTask(LocalDate realStartDate, long cropId) {
         LocalDate endDate = relativeEndDate != null ? realStartDate.plusDays(relativeEndDate) : null;
 
+        if (interval == null) {
+            this.interval = 0;
+        }
+
         return new Task(name, description, realStartDate.plusDays(relativeStartDate), cropId)
                 .withInterval(interval)
                 .withEndDate(endDate);

From 1c83fc469472c246188702dd71db8179df96c9d8 Mon Sep 17 00:00:00 2001
From: giavaphi <giavaphi@students.zhaw.ch>
Date: Fri, 25 Nov 2022 02:00:13 +0100
Subject: [PATCH 08/13] add disable properties to dialog save buttons

---
 .../CropDetailController.java                 |  2 +
 .../TaskFormularController.java               | 61 ++++++++++++++++---
 .../TextFieldFormularController.java          |  5 ++
 3 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
index 90f52d8..bbe7cea 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/CropDetailController.java
@@ -285,6 +285,7 @@ public class CropDetailController {
 
         if (appLoader.loadPaneToDialog("TaskFormular.fxml", dialogPane) instanceof TaskFormularController controller) {
             controller.setCorp(this.crop);
+            controller.initSaveButton((Button) dialogPane.lookupButton(saveTask));
             if (!newTask) {
                 controller.setTaskValue(givenTask);
             }
@@ -322,6 +323,7 @@ public class CropDetailController {
         if (appLoader.loadPaneToDialog("TextFieldFormular.fxml", dialogPane) instanceof TextFieldFormularController controller) {
             controller.setDescription_label(labelDescription);
             controller.setValueTextArea(value);
+            controller.initSaveButton((Button) dialogPane.lookupButton(save));
 
             dialog.setResultConverter(button -> button.equals(save) ? controller.getValue() : null);
 
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/TaskFormularController.java b/src/main/java/ch/zhaw/gartenverwaltung/TaskFormularController.java
index 938eea9..936bf09 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/TaskFormularController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/TaskFormularController.java
@@ -2,12 +2,14 @@ package ch.zhaw.gartenverwaltung;
 
 import ch.zhaw.gartenverwaltung.types.Crop;
 import ch.zhaw.gartenverwaltung.types.Task;
+import javafx.beans.binding.Binding;
+import javafx.beans.binding.Bindings;
+import javafx.beans.binding.BooleanBinding;
+import javafx.beans.value.ChangeListener;
+import javafx.beans.value.ObservableValue;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
-import javafx.scene.control.DateCell;
-import javafx.scene.control.DatePicker;
-import javafx.scene.control.TextArea;
-import javafx.scene.control.TextField;
+import javafx.scene.control.*;
 import javafx.util.Callback;
 
 import java.net.URL;
@@ -56,7 +58,7 @@ public class TaskFormularController implements Initializable {
         }
     }
 
-    private Callback<DatePicker, DateCell> getDayCellFactory() {
+    private Callback<DatePicker, DateCell> getDayCellFactoryStartDate() {
 
         return (datePicker) -> new DateCell() {
             private final LocalDate today = LocalDate.now();
@@ -71,16 +73,61 @@ public class TaskFormularController implements Initializable {
                     setDisable(false);
                     setStyle("-fx-background-color: #32CD32;");
                 }
+
+                if (end_datePicker.getValue() != null && item.compareTo(end_datePicker.getValue()) > 0) {
+                    setDisable(true);
+                    setStyle("-fx-background-color: #ffc0cb;");
+                }
             }
         };
     }
 
+    private Callback<DatePicker, DateCell> getDayCellFactoryEndDate() {
+
+        return (datePicker) -> new DateCell() {
+            private final LocalDate today = LocalDate.now();
+
+            @Override
+            public void updateItem(LocalDate item, boolean empty) {
+                super.updateItem(item, empty);
+                setDisable(true);
+                setStyle("-fx-background-color: #ffc0cb;");
+
+                if (item.compareTo(today) > 0 && item.compareTo(crop.getStartDate()) > 0) {
+                    setDisable(false);
+                    setStyle("-fx-background-color: #32CD32;");
+                }
+
+                if (start_datePicker.getValue() != null && item.compareTo(start_datePicker.getValue()) < 0) {
+                    setDisable(true);
+                    setStyle("-fx-background-color: #ffc0cb;");
+                }
+            }
+        };
+    }
+
+    public void initSaveButton(Button button) {
+        interval_field.textProperty().addListener((observable, oldValue, newValue) -> {
+            if (!newValue.matches("\\d*")) {
+                interval_field.setText(newValue.replaceAll("[^\\d]", ""));
+            }
+        });
+
+        button.disableProperty().bind(start_datePicker.valueProperty().isNull()
+                .or(end_datePicker.valueProperty().isNull())
+                .or(taskName_field.textProperty().isEmpty())
+                .or(description_area.textProperty().isEmpty())
+                .or(interval_field.textProperty().isEmpty()));
+
+
+    }
+
     @Override
     public void initialize(URL location, ResourceBundle resources) {
-        start_datePicker.setDayCellFactory(getDayCellFactory());
+        start_datePicker.setDayCellFactory(getDayCellFactoryStartDate());
         start_datePicker.setEditable(false);
 
-        end_datePicker.setDayCellFactory(getDayCellFactory());
+        end_datePicker.setDayCellFactory(getDayCellFactoryEndDate());
         end_datePicker.setEditable(false);
     }
 }
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java b/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
index ebbbfe2..a53c240 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/TextFieldFormularController.java
@@ -1,6 +1,7 @@
 package ch.zhaw.gartenverwaltung;
 
 import javafx.fxml.FXML;
+import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
 
@@ -24,4 +25,8 @@ public class TextFieldFormularController {
     public String getValue() {
         return text_area.getText();
     }
+
+    public void initSaveButton(Button button) {
+        button.disableProperty().bind(text_area.textProperty().isEmpty());
+    }
 }

From e22cb0b24d3745d988b2f6fcd80e84b40ff2d1b4 Mon Sep 17 00:00:00 2001
From: giavaphi <giavaphi@students.zhaw.ch>
Date: Fri, 25 Nov 2022 02:29:07 +0100
Subject: [PATCH 09/13] init css file and bind with app

---
 .../java/ch/zhaw/gartenverwaltung/bootstrap/AppLoader.java  | 5 ++++-
 .../ch/zhaw/gartenverwaltung/TextFieldFormular.fxml         | 3 ++-
 .../resources/ch/zhaw/gartenverwaltung/bootstrap/styles.css | 6 ++++++
 3 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 src/main/resources/ch/zhaw/gartenverwaltung/bootstrap/styles.css

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/bootstrap/AppLoader.java b/src/main/java/ch/zhaw/gartenverwaltung/bootstrap/AppLoader.java
index 59a4f7d..9c14010 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/bootstrap/AppLoader.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/bootstrap/AppLoader.java
@@ -73,7 +73,10 @@ public class AppLoader {
     public Object loadSceneToStage(String fxmlFile, Stage appendee) throws IOException {
         FXMLLoader loader = new FXMLLoader(Objects.requireNonNull(HelloApplication.class.getResource(fxmlFile)));
         Pane root = loader.load();
-        appendee.setScene(new Scene(root));
+        Scene scene = new Scene(root);
+        String css = Objects.requireNonNull(this.getClass().getResource("styles.css")).toExternalForm();
+        appendee.setScene(scene);
+        scene.getStylesheets().add(css);
         Object controller = loader.getController();
         annotationInject(controller);
         return controller;
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml b/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml
index 2d4dfdc..c02dc37 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/TextFieldFormular.fxml
@@ -7,7 +7,8 @@
 <?import javafx.scene.layout.HBox?>
 
 
-<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="64.0" prefWidth="298.0" xmlns="http://javafx.com/javafx/1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TextFieldFormularController">
+<AnchorPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="64.0" prefWidth="298.0" xmlns="http://javafx.com/javafx/17"
+            xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TextFieldFormularController">
    <children>
       <HBox alignment="CENTER" layoutX="153.0" layoutY="33.0" prefHeight="100.0" prefWidth="200.0" spacing="10.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
          <children>
diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/bootstrap/styles.css b/src/main/resources/ch/zhaw/gartenverwaltung/bootstrap/styles.css
new file mode 100644
index 0000000..f0fea6e
--- /dev/null
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/bootstrap/styles.css
@@ -0,0 +1,6 @@
+.button{
+    -fx-text-fill: rgb(49, 89, 23);
+    -fx-border-color: rgb(49, 89, 23);
+    -fx-border-radius: 5;
+    -fx-padding: 3 6 6 6;
+}
\ No newline at end of file

From f389cfcdfd96a091f8606fcf11f3a5e9d44e613a Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Fri, 25 Nov 2022 11:13:45 +0100
Subject: [PATCH 10/13] adapted GardenSchedule and GardenScheduleTest to new
 Structure of Task

---
 .../models/GardenSchedule.java                | 24 ++++++++++++-----
 .../ch/zhaw/gartenverwaltung/types/Task.java  |  4 ++-
 .../models/GardenScheduleTest.java            | 18 ++++++++-----
 .../gartenverwaltung/io/test-plantdb.json     | 27 +++++++------------
 4 files changed, 40 insertions(+), 33 deletions(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
index a362f00..f4b2bb3 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
@@ -9,6 +9,7 @@ import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
+import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 public class GardenSchedule {
@@ -136,10 +137,22 @@ public class GardenSchedule {
      * @throws IOException If the database cannot be accessed
      */
     public List<List<Task>> getTasksUpcomingWeek() throws IOException {
+        final int listLength = 7;
+        List<Task> weekTasks = taskList.getTaskList(LocalDate.now(), LocalDate.now().plusDays(listLength - 1));
         List<List<Task>> dayTaskList = new ArrayList<>();
-        for(int i = 0; i < 7; i++) {
+        for(int i = 0; i < listLength; i++) {
             LocalDate date = LocalDate.now().plusDays(i);
-            dayTaskList.add(taskList.getTaskList(date, date));
+            dayTaskList.add(new ArrayList<>());
+            final int finalI = i;
+            weekTasks.forEach(task -> {
+                LocalDate checkDate = task.getNextExecution();
+                do {
+                    if (date.equals(checkDate) && !date.isAfter(task.getEndDate().orElse(LocalDate.MIN))) {
+                        dayTaskList.get(finalI).add(task);
+                    }
+                    checkDate = checkDate.plusDays(task.getInterval().orElse(0));
+                } while (task.getInterval().isPresent() && checkDate.isBefore(LocalDate.now().plusDays(listLength)));
+            });
         }
         return dayTaskList;
     }
@@ -150,11 +163,8 @@ public class GardenSchedule {
      * @throws IOException If the database cannot be accessed
      */
     public List<List<Task>> getTasksUpcomingWeekForCrop(Long cropId) throws IOException {
-        List<List<Task>> dayTaskList = new ArrayList<>();
-        for(int i = 0; i < 7; i++) {
-            LocalDate date = LocalDate.now().plusDays(i);
-            dayTaskList.add(filterListByCrop(taskList.getTaskList(date, date), cropId));
-        }
+        List<List<Task>> dayTaskList = getTasksUpcomingWeek();
+        dayTaskList.forEach(taskList -> taskList.removeIf(task -> task.getCropId() != cropId));
         return dayTaskList;
     }
 
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
index dab4d39..9501861 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/types/Task.java
@@ -27,6 +27,7 @@ public class Task {
         name= "";
         description= "";
         startDate = LocalDate.now();
+        endDate = startDate;
         nextExecution = startDate;
     }
 
@@ -34,6 +35,7 @@ public class Task {
         this.name = name;
         this.description = description;
         this.startDate = startDate;
+        this.endDate = startDate;
         nextExecution = startDate;
         this.cropId = cropId;
     }
@@ -63,7 +65,7 @@ public class Task {
     }
 
     public boolean isInTimePeriode(LocalDate searchStartDate, LocalDate searchEndDate){
-        return startDate.isAfter(searchStartDate) && startDate.isBefore(searchEndDate);
+        return endDate.isAfter(searchStartDate) && startDate.isBefore(searchEndDate);
     }
 
     public void done(){
diff --git a/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java b/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
index 0cadffb..5e32687 100644
--- a/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
+++ b/src/test/java/ch/zhaw/gartenverwaltung/models/GardenScheduleTest.java
@@ -15,7 +15,7 @@ import static org.junit.jupiter.api.Assertions.*;
 import static org.mockito.Mockito.*;
 
 class GardenScheduleTest {
-    LocalDate exampleStartDate = LocalDate.of(2020, 02, 02);
+    LocalDate exampleStartDate = LocalDate.of(2020, 2, 2);
     TaskList taskList;
     PlantList plantList;
     List<Plant> examplePlantList;
@@ -43,6 +43,7 @@ class GardenScheduleTest {
     private TaskList mockTaskDatabase(List<Task> exampleTaskList) throws IOException {
         TaskList taskList = mock(JsonTaskList.class);
         when(taskList.getTaskList(LocalDate.MIN, LocalDate.MAX)).thenReturn(exampleTaskList);
+        when(taskList.getTaskList(LocalDate.now(), LocalDate.now().plusDays(7 - 1))).thenReturn(exampleTaskList);
 
         when(taskList.getTaskList(LocalDate.now(), LocalDate.MAX)).thenReturn((exampleTaskList.subList(1, 4)));
 
@@ -105,7 +106,7 @@ class GardenScheduleTest {
         exampleTaskList.add(new Task("name", "description", LocalDate.now().plusDays(1), 2L));
         exampleTaskList.add(new Task("name", "description", LocalDate.now(), 1L));
         exampleTaskList.add(new Task("name", "description", LocalDate.of(9019, 5, 5), 1L));
-        exampleTaskList.add(new Task("name", "description", LocalDate.of(2019, 5, 5), 2L));
+        exampleTaskList.add(new Task("name", "description", LocalDate.now().minusDays(10), LocalDate.now().plusDays(4),2, 2L));
     }
 
     @Test
@@ -157,19 +158,22 @@ class GardenScheduleTest {
         assertEquals(7, dayList.size());
 
         //Check day 0
-        assertEquals(1, dayList.get(0).size());
-        assertEquals(exampleTaskList.get(2), dayList.get(0).get(0));
+        assertEquals(2, dayList.get(0).size());
+        assertTrue(dayList.get(0).contains(exampleTaskList.get(2)));
+        assertTrue(dayList.get(0).contains(exampleTaskList.get(4)));
 
         //Check day 1
         assertEquals(1, dayList.get(1).size());
-        assertEquals(exampleTaskList.get(1), dayList.get(1).get(0));
+        assertTrue(dayList.get(1).contains(exampleTaskList.get(1)));
 
         //Check day 2
-        assertEquals(0, dayList.get(2).size());
+        assertEquals(1, dayList.get(2).size());
+        assertTrue(dayList.get(2).contains(exampleTaskList.get(4)));
         //Check day 3
         assertEquals(0, dayList.get(3).size());
         //Check day 4
-        assertEquals(0, dayList.get(4).size());
+        assertEquals(1, dayList.get(4).size());
+        assertTrue(dayList.get(4).contains(exampleTaskList.get(4)));
         //Check day 5
         assertEquals(0, dayList.get(5).size());
         //Check day 6
diff --git a/src/test/resources/ch/zhaw/gartenverwaltung/io/test-plantdb.json b/src/test/resources/ch/zhaw/gartenverwaltung/io/test-plantdb.json
index 5440e42..4268df1 100644
--- a/src/test/resources/ch/zhaw/gartenverwaltung/io/test-plantdb.json
+++ b/src/test/resources/ch/zhaw/gartenverwaltung/io/test-plantdb.json
@@ -32,8 +32,7 @@
             "relativeStartDate": -14,
             "relativeEndDate": null,
             "description": "Take an egg carton and fill it with soil. Put the seedling deep enough so its half covered with soil. Keep it in 10-15 * Celsius with lots of light.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -54,8 +53,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "When the plants are 20 cm tall, begin hilling the potatoes by gently mounding the soil from the center of your rows around the stems of the plant. Mound up the soil around the plant until just the top few leaves show above the soil. Two weeks later, hill up the soil again when the plants grow another 20 cm.",
-            "interval": 21,
-            "isOptional": false
+            "interval": 21
           }
         ]
       },
@@ -76,8 +74,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Once the foliage has wilted and dried completely, harvest on a dry day. Store in a dark and cool location.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }
@@ -106,8 +103,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 0,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -130,8 +126,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": 15,
-            "isOptional": true
+            "interval": 15
           }
         ]
       },
@@ -152,8 +147,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 14,
             "description": "When the leaves turn to a yellowish brown. Do not harvest earlier. The plant will show when it's ready.",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }
@@ -193,8 +187,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 0,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       },
@@ -217,8 +210,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": null,
             "description": "Mound up the soil around the plant until just the top few leaves show above the soil. ",
-            "interval": 15,
-            "isOptional": true
+            "interval": 15
           }
         ]
       },
@@ -241,8 +233,7 @@
             "relativeStartDate": 0,
             "relativeEndDate": 14,
             "description": "When ready for harvest, the leaves on your onion plants will start to flop over. This happens at the \"neck\" of the onion and it signals that the plant has stopped growing and is ready for storage. Onions should be harvested soon thereafter",
-            "interval": null,
-            "isOptional": false
+            "interval": null
           }
         ]
       }

From 1f049f86ab6863779b4793c65c35f504e3f20d94 Mon Sep 17 00:00:00 2001
From: David Guler <gulerdav@students.zhaw.ch>
Date: Fri, 25 Nov 2022 12:31:27 +0100
Subject: [PATCH 11/13] fix: fixed fxml version warning

---
 src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml b/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
index 52ec6a7..25dfb7d 100644
--- a/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
+++ b/src/main/resources/ch/zhaw/gartenverwaltung/Tutorial.fxml
@@ -14,7 +14,7 @@
 <?import javafx.scene.text.Text?>
 <?import javafx.scene.text.TextFlow?>
 
-<BorderPane maxHeight="470.0" maxWidth="724.0" minHeight="470.0" minWidth="724.0" prefHeight="470.0" prefWidth="724.0" xmlns="http://javafx.com/javafx/19" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TutorialController">
+<BorderPane maxHeight="470.0" maxWidth="724.0" minHeight="470.0" minWidth="724.0" prefHeight="470.0" prefWidth="724.0" xmlns="http://javafx.com/javafx/17" xmlns:fx="http://javafx.com/fxml/1" fx:controller="ch.zhaw.gartenverwaltung.TutorialController">
    <bottom>
       <HBox alignment="CENTER" prefHeight="0.0" prefWidth="724.0" BorderPane.alignment="CENTER">
          <children>

From c9ba9c12347424f8fe2f130e16e840c7f0069685 Mon Sep 17 00:00:00 2001
From: schrom01 <schrom01@students.zhaw.ch>
Date: Fri, 25 Nov 2022 13:01:38 +0100
Subject: [PATCH 12/13] created sortByNextExecution Comparator

---
 .../java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java   | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
index f4b2bb3..c3292f6 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/models/GardenSchedule.java
@@ -20,6 +20,7 @@ public class GardenSchedule {
      * Comparators to create sorted Task List
      */
     static final Comparator<Task> sortByStartDate = Comparator.comparing(Task::getStartDate);
+    static final Comparator<Task> sortByNextExecution = Comparator.comparing(Task::getNextExecution);
 
     /**
      * Constructor to create Database Objects.
@@ -176,7 +177,7 @@ public class GardenSchedule {
      * @throws IOException If the database cannot be accessed
      */
     public List<Task> getFilteredTaskList(LocalDate start, LocalDate end) throws IOException {
-        return getSortedTaskList(taskList.getTaskList(start, end), sortByStartDate);
+        return getSortedTaskList(taskList.getTaskList(start, end), sortByNextExecution);
     }
 
     /**

From c79386ec88bbbb328dfcd7dbed4bebf8db7a5d62 Mon Sep 17 00:00:00 2001
From: David Guler <gulerdav@students.zhaw.ch>
Date: Fri, 25 Nov 2022 20:03:32 +0100
Subject: [PATCH 13/13] feature: made TaskList observable

---
 .../gartenverwaltung/io/JsonTaskList.java     | 23 +++++++++++++++++++
 .../ch/zhaw/gartenverwaltung/io/TaskList.java | 18 +++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskList.java b/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskList.java
index 6b18f72..7f6d36b 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskList.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/io/JsonTaskList.java
@@ -13,6 +13,7 @@ import java.net.URISyntaxException;
 import java.net.URL;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -29,6 +30,7 @@ public class JsonTaskList implements TaskList {
     private final static String INVALID_DATASOURCE_MSG = "Invalid datasource specified!";
 
     private Map<Long, Task> taskMap = Collections.emptyMap();
+    private final List<TaskListObserver> subscribers = new ArrayList<>();
 
     /**
      * Creating constant objects required to deserialize the {@link LocalDate} classes
@@ -87,6 +89,7 @@ public class JsonTaskList implements TaskList {
             loadTaskListFromFile();
         }
         taskMap.values().removeIf(task -> task.getCropId() == cropId);
+        notifySubscribers();
     }
 
     /**
@@ -107,6 +110,7 @@ public class JsonTaskList implements TaskList {
 
         taskMap.put(id, task.withId(id));
         writeTaskListToFile();
+        notifySubscribers();
     }
 
     /**
@@ -126,6 +130,25 @@ public class JsonTaskList implements TaskList {
             taskMap.remove(taskId);
             writeTaskListToFile();
         }
+        notifySubscribers();
+    }
+
+    /**
+     * {@inheritDoc}
+     * @param observer The change handler
+     */
+    @Override
+    public void subscribe(TaskListObserver observer) {
+        subscribers.add(observer);
+    }
+
+    /**
+     * Calls the change handler method on all registered observers.
+     */
+    private void notifySubscribers() {
+        for (TaskListObserver subscriber : subscribers) {
+            subscriber.onChange(taskMap.values().stream().toList());
+        }
     }
 
     /**
diff --git a/src/main/java/ch/zhaw/gartenverwaltung/io/TaskList.java b/src/main/java/ch/zhaw/gartenverwaltung/io/TaskList.java
index 97ef3a7..95f5b07 100644
--- a/src/main/java/ch/zhaw/gartenverwaltung/io/TaskList.java
+++ b/src/main/java/ch/zhaw/gartenverwaltung/io/TaskList.java
@@ -51,4 +51,22 @@ public interface TaskList {
      * @throws IOException If the database cannot be accessed
      */
     void removeTask(Task task) throws IOException;
+
+    /**
+     * Registers an observer to be notified of Changes in the TaskList
+     * @param observer The change handler
+     */
+    void subscribe(TaskListObserver observer);
+
+    /**
+     * Specifies an observer for a TaskList
+     */
+    @FunctionalInterface
+    interface TaskListObserver {
+        /**
+         * Method which will be called when changes occur.
+         * @param newTaskList The new values
+         */
+        void onChange(List<Task> newTaskList);
+    }
 }