null error in availibility

SchedulerApp/src/main/java/com/example/schedulerapp/AvailabilityView.java

@@ -30,7 +30,7 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
         }
 
         times = new ArrayList<>();
-        for (int i = 8; i < 24; i++){
+        for (int i = 0; i < 24; i++){
             String j = i + "00";
             String k = i + "30";
             if (i < 10) {
@@ -49,6 +49,8 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
 
         contents = new GridPane();
         contents.setStyle("-fx-background-color: darkgrey");
+
+        this.setContent(contents);
     }
 
 
@@ -56,10 +58,15 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
         //clear
         contents.getChildren().clear();
 
+        Label blank = new Label();
+        blank.setStyle("-fx-background-color: white");
+        contents.add(blank, 0, 0);
+
         //add to gridpane - time axis never changes
         int i = 1;
         for (Label time : times){
             contents.add(time, 0, i);
+            time.setStyle("-fx-background-color: white");
             i++;
         }
 
@@ -67,15 +74,37 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
         i = 1;
         for (Label time : days){
             contents.add(time, i, 0);
+            time.setStyle("-fx-background-color: white");
             i++;
         }
 
         //get employee
         Employee e = model.getEmployee(model.getSelectedEmployee());
+        LocalTime[][] ava = e.getAvailability();
+        System.out.println("View: " + ava[0][0] +" "+ ava[0][1]);
+        for (int j = 0; j < 7; j++){
+            contents.add(this.formatButton(ava[j][0], ava[j][1]), j+1, this.availGetRow(ava[j]), 1, this.availGetLength(ava[j]));
+        }
 
 
+
+    }
+    public int availGetRow(LocalTime[] times){
+        //convert from start time to offset, granularity in 30 min increments
+        int row = (times[0].getHour()) * 2 + 1;
+        if (times[0].getMinute() == 30) row++;
+        return row;
     }
 
+    public int availGetLength(LocalTime[] times){
+        //calculate length
+        int length = (times[1].getHour() - times[2].getHour()) * 2;
+        if (times[0].getMinute() == 30) length--;
+        if (times[1].getMinute() == 30) length++;
+        return length;
+    }
+
+
     public String formatTimeLabel(LocalTime start, LocalTime end){
         //String text = start.format(timeFormat);
         String text = start.toString();
@@ -86,13 +115,12 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
     }
 
     public Button formatButton(LocalTime start, LocalTime end){
-        Button rep = new Button();
+        Button rep = new Button(formatTimeLabel(start, end));
         rep.setMaxHeight(700);                 //so it always fills its region
         rep.setMaxWidth(100);
         GridPane.setFillHeight(rep, true);
         GridPane.setFillWidth(rep, true);
         //css styling
-        //todo: different colour for current user
         rep.setStyle("-fx-background-color: lightgreen");
 
         return rep;
@@ -103,7 +131,6 @@ public class AvailabilityView extends ScrollPane implements ModelSubscriber{
         draw();
     }
 
-
     @Override
     public void modelChanged() {
         draw();

SchedulerApp/src/main/java/com/example/schedulerapp/Controller.java

@@ -203,7 +203,7 @@ public class Controller {
 
     // load pickups from schedule todo
     public void viewPickups(){
-        //root.setCenter();
+        root.setCenter(null);
     }
 
     public void loadScheduleSide() throws IOException {

SchedulerApp/src/main/java/com/example/schedulerapp/Employee.java

 package com.example.schedulerapp;
 
 import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Arrays;
 
@@ -163,6 +164,7 @@ public class Employee {
         the start and end times.
      */
     public LocalTime[][] getAvailability() {
+        System.out.println("model: " + availability[0][0] + " " + availability[0][1]);
         return availability;
     }
 
@@ -176,21 +178,39 @@ public class Employee {
     Description: Adds the availability to the employee object.
     Return: void
      */
-    public void populateAvailability(String[] availabilitySplit) {
-        availability[0][0] = LocalTime.parse(availabilitySplit[1]);
-        availability[0][1] = LocalTime.parse(availabilitySplit[2]);
-        availability[1][0] = LocalTime.parse(availabilitySplit[3]);
-        availability[1][1] = LocalTime.parse(availabilitySplit[4]);
-        availability[2][0] = LocalTime.parse(availabilitySplit[5]);
-        availability[2][1] = LocalTime.parse(availabilitySplit[6]);
-        availability[3][0] = LocalTime.parse(availabilitySplit[7]);
-        availability[3][1] = LocalTime.parse(availabilitySplit[8]);
-        availability[4][0] = LocalTime.parse(availabilitySplit[9]);
-        availability[4][1] = LocalTime.parse(availabilitySplit[10]);
-        availability[5][0] = LocalTime.parse(availabilitySplit[11]);
-        availability[5][1] = LocalTime.parse(availabilitySplit[12]);
-        availability[6][0] = LocalTime.parse(availabilitySplit[13]);
-        availability[6][1] = LocalTime.parse(availabilitySplit[14]);
+    public void populateAvailability(String[] aSplit) {
+        String[] availabilitySplit = availabilityPreprocessing(aSplit);
+        DateTimeFormatter dbTimeFormat = DateTimeFormatter.ofPattern("kkmm");
+        availability[0][0] = LocalTime.parse(availabilitySplit[1],dbTimeFormat);
+        availability[0][1] = LocalTime.parse(availabilitySplit[2],dbTimeFormat);
+        availability[1][0] = LocalTime.parse(availabilitySplit[3],dbTimeFormat);
+        availability[1][1] = LocalTime.parse(availabilitySplit[4],dbTimeFormat);
+        availability[2][0] = LocalTime.parse(availabilitySplit[5],dbTimeFormat);
+        availability[2][1] = LocalTime.parse(availabilitySplit[6],dbTimeFormat);
+        availability[3][0] = LocalTime.parse(availabilitySplit[7],dbTimeFormat);
+        availability[3][1] = LocalTime.parse(availabilitySplit[8],dbTimeFormat);
+        availability[4][0] = LocalTime.parse(availabilitySplit[9],dbTimeFormat);
+        availability[4][1] = LocalTime.parse(availabilitySplit[10],dbTimeFormat);
+        availability[5][0] = LocalTime.parse(availabilitySplit[11],dbTimeFormat);
+        availability[5][1] = LocalTime.parse(availabilitySplit[12],dbTimeFormat);
+        availability[6][0] = LocalTime.parse(availabilitySplit[13],dbTimeFormat);
+        availability[6][1] = LocalTime.parse(availabilitySplit[14],dbTimeFormat);
+        System.out.println("populate: " + availability[0][0] + " " + availability[0][1]);
+    }
+
+
+    public String[] availabilityPreprocessing(String[] s){
+        String[] result = new String[15];
+        String sub = "0000";
+        for (int i = 1; i < 15; i++){
+            if (s[i].length() < 4){
+                result[i] = sub.substring(0, 4-s[i].length()) + s[i];
+            } else {
+                result[i] = s[i];
+            }
+            System.out.println(s[i]);
+        }
+        return result;
     }
 
     /*

SchedulerApp/src/main/java/com/example/schedulerapp/ScheduleApp.java

@@ -7,6 +7,8 @@ import javafx.scene.control.Label;
 import javafx.scene.layout.BorderPane;
 import javafx.stage.Stage;
 
+import java.time.LocalTime;
+
 public class ScheduleApp extends Application {
     @Override
     public void start(Stage stage) throws Exception {
@@ -24,7 +26,6 @@ public class ScheduleApp extends Application {
         stage.show();
 
         stage.setOnCloseRequest(e -> javafx.application.Platform.exit());
-
     }
 
     public static void main(String[] args) {

SchedulerApp/src/main/resources/com/example/schedulerapp/schedSidePanel.fxml

@@ -7,6 +7,7 @@
    <children>
       <Button mnemonicParsing="false" onMouseClicked="#viewScheduleDaily" prefHeight="163.0" prefWidth="100.0" text="Daily" />
       <Button mnemonicParsing="false" onMouseClicked="#viewScheduleWeekly" prefHeight="163.0" prefWidth="100.0" text="Weekly" />
-      <Button mnemonicParsing="false" prefHeight="163.0" prefWidth="100.0" text="Pick-Ups" />
+      <Button mnemonicParsing="false" onMouseClicked="#viewPickups" prefHeight="163.0" prefWidth="100.0" text="Pick-Ups" />
+      <Button layoutX="10.0" layoutY="336.0" mnemonicParsing="false" onMouseClicked="#viewAvailability" prefHeight="163.0" prefWidth="100.0" text="Availability" />
    </children>
 </VBox>