[Liu Hao] ip

src/main/java/Deadline.java

@@ -0,0 +1,14 @@
+public class Deadline extends Task {
+
+    protected String by;
+
+    public Deadline(String description, String by) {
+        super(description);
+        this.by = by;
+    }
+
+    @Override
+    public String toString() {
+        return "[D]" + super.toString() + " (by: " + by + ")";
+    }
+}

src/main/java/Event.java

@@ -0,0 +1,14 @@
+public class Event extends Task{
+    String from;
+    String to;
+    public Event(String description, String from, String to) {
+        super(description);
+        this.from = from;
+        this.to = to;
+    }
+
+    @Override
+    public String toString(){
+        return "[E]" + super.toString() + "(from: " + from + " to: " + to + ")";
+    }
+}

src/main/java/Task.java

@@ -0,0 +1,18 @@
+public class Task {
+    private final String description;
+    private boolean isCompleted;
+
+    public Task(String description) {
+        this.description = description;
+        this.isCompleted = false;
+    }
+
+    public void setCompleted(boolean completed) {
+        isCompleted = completed;
+    }
+
+    @Override
+    public String toString() {
+        return isCompleted? "[X] " + description : "[ ]" + description;
+    }
+}

src/main/java/Taylor.java

@@ -0,0 +1,113 @@
+import java.util.*;
+
+public class Taylor {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        final String line = "____________________________________________________________";
+        System.out.println(line);
+        System.out.println("Hello! I'm Taylor");
+        System.out.println("What can I do for you?");
+        System.out.println(line);
+
+        String input = sc.nextLine();
+        List<Task> tasks = new ArrayList<>();
+        while(!input.equals("bye")) {
+            if(input.equals("list")) {
+                System.out.println(line);
+                System.out.println("Here are the tasks in your list:");
+                for(int i = 0; i < tasks.size(); i++) {
+                    System.out.println(i+1 + "." + tasks.get(i));
+                }
+                System.out.println(line);
+                input = sc.nextLine();
+                continue;
+            }
+
+            if(input.startsWith("mark")){
+                String[] words = input.split(" ");
+                int index = Integer.parseInt(words[1])-1;
+                if(index<0 || index>=tasks.size()) {
+                    System.out.println(line);
+                    System.out.println("Invalid index");
+                    System.out.println(line);
+                } else {
+                    tasks.get(index).setCompleted(true);
+                    System.out.println("Nice! I've marked this task as done:");
+                    System.out.println(tasks.get(index));
+                    System.out.println(line);
+                }
+                input = sc.nextLine();
+                continue;
+            }
+
+            if(input.startsWith("unmark")){
+                String[] words = input.split(" ");
+                int index = Integer.parseInt(words[1])-1;
+                if(index<0 || index>=tasks.size()) {
+                    System.out.println(line);
+                    System.out.println("Invalid index");
+                } else {
+                    tasks.get(index).setCompleted(false);
+                    System.out.println("OK, I've marked this task as not done yet:");
+                    System.out.println(tasks.get(index));
+                    System.out.println(line);
+                }
+                input = sc.nextLine();
+                continue;
+            }
+
+            if(input.startsWith("todo")){
+                Todo todo = new Todo(input.substring(4));
+//                tasks.add(todo);
+                System.out.println(line);
+                System.out.println("Got it. I've added this task:");
+                System.out.println("  " + todo);
+                System.out.println("Now you have "+ tasks.size() +" tasks in the lists");
+                System.out.println(line);
+                input = sc.nextLine();
+                continue;
+            }
+
+            if(input.startsWith("event")){
+                int from = input.indexOf("/from");
+                int to = input.indexOf("/to");
+                String description = input.substring(6,from);
+                String _from = input.substring(from+6,to);
+                String _to = input.substring(to+4);
+                Event event = new Event(description,_from,_to);
+                tasks.add(event);
+                System.out.println(line);
+                System.out.println("Got it. I've added this task:");
+                System.out.println("  " + event);
+                System.out.println("Now you have "+ tasks.size() +" tasks in the lists");
+                System.out.println(line);
+                input = sc.nextLine();
+                continue;
+            }
+
+            if(input.startsWith("deadline")){
+                int by = input.indexOf("/by");
+                String description = input.substring(9,by);
+                String _by = input.substring(by+4);
+                Task task = new Deadline(description,_by);
+                tasks.add(task);
+                System.out.println(line);
+                System.out.println("Got it. I've added this task:");
+                System.out.println("  " + task);
+                System.out.println("Now you have "+ tasks.size() +" tasks in the lists");
+                System.out.println(line);
+                input = sc.nextLine();
+                continue;
+            }
+
+            System.out.println(line);
+            System.out.println("added: " + input);
+            System.out.println(line);
+            input = sc.nextLine();
+        }
+        System.out.println(line);
+        System.out.println("Bye. Hope to see you again soon!");
+        System.out.println(line);
+    }
+}

src/main/java/TaylorException.java

@@ -0,0 +1,5 @@
+public class TaylorException extends RuntimeException {
+    public TaylorException(String message) {
+        super(message);
+    }
+}

src/main/java/Todo.java

@@ -0,0 +1,10 @@
+public class Todo extends Task {
+    public Todo(String description) {
+        super(description);
+    }
+
+    @Override
+    public String toString() {
+        return "[T]" + super.toString();
+    }
+}