week 2 challenge
This commit is contained in:
Joshua Ashton
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/Task$SortByTitleComparator.class
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/Task.class
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/Week9.class
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/Week9Gui.class
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/Week9$1.class
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/Week9$2.class
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/Week9$3.class
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/Week9$4.class
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package fall23.Week9;
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import java.util.Arrays;
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import java.util.Comparator;
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// Represents a Task, which can be written and loaded to/from a file and are comparable to each other.
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public class Task {
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private String title;
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private String description;
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private String dueDate;
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private boolean completed;
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public static final Comparator<Task> BY_TITLE = new SortByTitleComparator();
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// Constructor to create a new Task object.
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public Task(String title, String description, String dueDate) {
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this.title = title;
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this.description = description;
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this.dueDate = dueDate;
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this.completed = false;
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}
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public String getTitle() {
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return title;
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}
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public String getDescription() {
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return description;
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}
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public String getDueDate() {
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return dueDate;
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}
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public boolean isCompleted() {
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return completed;
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}
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// Edit a task by providing new information.
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public void editTask(String newTitle, String newDescription, String newDueDate) {
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this.title = newTitle;
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this.description = newDescription;
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this.dueDate = newDueDate;
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}
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// Return if a task is complete or not.
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public void toggleComplete() {
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if (completed)
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completed = false;
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else
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completed = true;
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System.out.println("task status toggled");
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}
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// TODO: Implement Comparable or Comparator.
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private static class SortByTitleComparator implements Comparator<Task> {
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@Override
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public int compare(Task t1, Task t2) {
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String[] tokens1 = t1.title.split("(?<=\\D)(?=\\d)|(?<=\\d)(?=\\D)");
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String[] tokens2 = t2.title.split("(?<=\\D)(?=\\d)|(?<=\\d)(?=\\D)");
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int length = Math.min(tokens1.length, tokens2.length);
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for (int i = 0; i < length; i++) {
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if (Character.isDigit(tokens1[i].charAt(0)) && Character.isDigit(tokens2[i].charAt(0))) {
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int intCompare = Integer.compare(Integer.parseInt(tokens1[i]), Integer.parseInt(tokens2[i]));
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if (intCompare != 0)
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return intCompare;
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} else {
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int stringCompare = tokens1[i].compareTo(tokens2[i]);
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if (stringCompare != 0)
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return stringCompare;
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}
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}
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return Integer.compare(tokens1.length, tokens2.length);
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}
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}
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}
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@@ -0,0 +1,193 @@
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package fall23.Week9;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import javax.swing.JOptionPane;
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public class Week9 {
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private static ArrayList<Task> tasks;
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private static String filepath;
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private static Week9Gui gui;
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// NOTE: For sorts, the Task class needs something implemented.
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private static void sortByTitle() {
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System.out.println("Sort By Title clicked!");
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Collections.sort(tasks, Task.BY_TITLE);
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gui.update(tasks);
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}
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// NOTE: For sorts, the Task class needs something implemented.
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private static void sortByDueDate() {
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System.out.println("Sort By Due Date clicked!");
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// TODO
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gui.update(tasks);
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}
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// NOTE: For sorts, the Task class needs something implemented.
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private static void filterByComplete() {
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System.out.println("Filter By Complete clicked!");
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// TODO
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gui.update(tasks);
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}
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// addBtn Method
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private static void addBtn() {
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String[] strs = new String[3];
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strs[0] = JOptionPane.showInputDialog("Please Enter A Title:");
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strs[1] = JOptionPane.showInputDialog("Please Enter A Discription:");
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strs[2] = JOptionPane.showInputDialog("Please Enter A Due Date:");
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}
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private void parse(File f) {
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try (BufferedReader myReader = new BufferedReader(new FileReader(f))) {
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String line;
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String[] data;
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String title, desc, date;
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boolean completed;
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Task task;
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while ((line = myReader.readLine()) != null) {
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data = line.split(",");
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title = data[0];
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desc = data[1];
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date = data[2];
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completed = "true".contentEquals(data[3]);
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task = new Task(title, desc, date);
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if (completed)
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task.toggleComplete();
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tasks.add(task);
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}
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} catch (FileNotFoundException e) {
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System.out.println("File error! File not found.");
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e.printStackTrace();
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} catch (IOException e1) {
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System.out.println("IOException apparently");
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e1.printStackTrace();
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}
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}
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// Writes each task to the file after a change.
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private static void saveTasks() {
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System.out.println("writing tasks to " + filepath);
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try (BufferedWriter myWriter = new BufferedWriter(new FileWriter(filepath))) {
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myWriter.flush();
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String line;
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String title, desc, date;
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boolean completed;
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for (Task task : tasks) {
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title = task.getTitle();
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desc = task.getDescription();
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date = task.getDueDate();
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completed = task.isCompleted();
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line = String.format("%s,%s,%s,%b", title, desc, date, completed);
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myWriter.append(line);
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myWriter.newLine();
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}
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} catch (FileNotFoundException e) {
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System.out.println("File error! File not found.");
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e.printStackTrace();
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} catch (IOException e1) {
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System.out.println("IOException apparently");
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e1.printStackTrace();
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}
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}
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///////////////////////// END OF TODO ////////////////////////////
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// Initialize tasks and GUI, populate with test data (if applicable).
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private void init() {
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filepath = getNotesDirectoryPath();
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initTasks();
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testData();
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}
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// Identify the operating system of the user, and obtain the path to the "tasks"
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// directory.
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private String getNotesDirectoryPath() {
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String os = System.getProperty("os.name").toLowerCase();
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String userHome = System.getProperty("user.home");
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String tasksDir = "tasks";
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if (os.contains("win")) // Windows
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return userHome + "\\" + tasksDir;
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else if (os.contains("mac")) // MacOS
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return userHome + "/Library/Application Support/" + tasksDir;
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else // Linux/other
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return userHome + "/" + tasksDir;
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}
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// Create the tasks file if it does not already exist. Load tasks from the
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// existing file otherwise.
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private void initTasks() {
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File f = new File(filepath);
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tasks = new ArrayList<Task>();
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if (f.isFile()) {
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System.out.println("loading tasks from " + filepath);
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parse(f);
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} else {
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try {
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f.createNewFile();
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System.out.println(filepath + " has been created.");
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} catch (Exception e) {
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System.out.println(e);
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}
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}
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}
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// Test tasks, not read from a file and are not intended to be saved to a file.
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private void testData() {
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tasks.add(new Task("Title 1000", "Description ", "Due Date "));
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tasks.add(new Task("100 Title", "Description ", "Due Date "));
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for (int i = 20; i > 0; i--)
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tasks.add(new Task("Title " + i, "Description " + i, "Due Date " + i));
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}
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public static void main(String[] args) {
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new Week9().init();
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ActionListener sortByTitle = new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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sortByTitle();
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}
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};
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ActionListener sortByDueDate = new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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sortByDueDate();
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}
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};
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ActionListener filterByCompleted = new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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filterByComplete();
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}
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};
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ActionListener addBtn = new ActionListener() {
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public void actionPerformed(ActionEvent e) {
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addBtn();
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}
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};
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gui = new Week9Gui(tasks, sortByTitle, sortByDueDate, filterByCompleted, addBtn);
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}
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}
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@@ -0,0 +1,109 @@
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package fall23.Week9;
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import java.util.ArrayList;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.JLabel;
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import javax.swing.JButton;
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import javax.swing.JCheckBox;
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import javax.swing.UIManager;
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import java.awt.event.*;
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import java.awt.BorderLayout;
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import java.awt.Dimension;
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import java.awt.GridLayout;
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public class Week9Gui {
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private JFrame frame = new JFrame("SLCC Programming Club Challenge - Task Manager");
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private ActionListener titleSort;
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private ActionListener dueDateSort;
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private ActionListener completeFilter;
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private ActionListener addBtn;
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public Week9Gui(ArrayList<Task> tasks, ActionListener titleSort, ActionListener dueDateSort, ActionListener completeFilter, ActionListener addBtn) {
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this.titleSort = titleSort;
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this.dueDateSort = dueDateSort;
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this.completeFilter = completeFilter;
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this.addBtn = addBtn;
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initGui(tasks);
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}
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// Setup the basic GUI layout.
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private void initGui(ArrayList<Task> tasks) {
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frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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frame.getContentPane().setLayout(new BorderLayout());
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frame.setLocationRelativeTo(null);
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frame.setPreferredSize(new Dimension(600, 450));
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frame.setSize(frame.getPreferredSize());
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try {
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UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
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} catch (Exception e) {
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System.out.println("Error with cross platform look & feel.");
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}
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frame.getContentPane().add(buttonsView(), BorderLayout.PAGE_END);
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frame.getContentPane().add(view(tasks));
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frame.setVisible(true);
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}
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// Displays sort and filter buttons
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private JPanel buttonsView() {
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JButton sortByTitle = new JButton("Title");
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sortByTitle.addActionListener(titleSort);
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JButton sortByDueDate = new JButton("Due Date");
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sortByDueDate.addActionListener(dueDateSort);
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JButton filterByComplete = new JButton("Complete");
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filterByComplete.addActionListener(completeFilter);
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JButton addBtn = new JButton("Add");
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addBtn.addActionListener(this.addBtn);
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JPanel p = new JPanel(new GridLayout(0, 4));
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p.add(new JLabel("Sort by:"));
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p.add(new JLabel("Sort by:"));
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p.add(new JLabel("Filter by:"));
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p.add(new JLabel("Add to:"));
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p.add(sortByTitle);
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p.add(sortByDueDate);
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p.add(filterByComplete);
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p.add(addBtn);
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return p;
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}
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// Displays tasks and their completion status.
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private JPanel view(ArrayList<Task> tasks) {
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JPanel v = new JPanel(new GridLayout(tasks.size(), 4));
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for(Task t : tasks) {
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v.add(new JLabel(t.getTitle()));
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v.add(new JLabel(t.getDescription()));
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v.add(new JLabel(t.getDueDate()));
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JCheckBox toggleComplete = new JCheckBox("Completed", t.isCompleted());
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toggleComplete.addActionListener(
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e -> { t.toggleComplete(); }
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);
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v.add(toggleComplete);
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}
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return v;
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}
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// Clear everything and refresh the JFrame to update information.
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public void update(ArrayList<Task> tasks) {
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frame.getContentPane().removeAll();
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frame.getContentPane().add(buttonsView(), BorderLayout.PAGE_END);
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frame.getContentPane().add(view(tasks));
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frame.repaint();
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frame.revalidate();
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frame.pack();
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System.out.println("Updated UI");
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}
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}
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