Week 9 Challenge: Task Manager. Implemented basic implementations and GUI. Challenges are of increasing difficulty: Writing tasks to a file, reading tasks from a file, sorting and filtering, and lastly add, edit, and delete functionality. There is starter code available for all but the last challenge. Club members should work in groups.

2023-11-01 12:10:43 -06:00
parent 106f4b17c3
commit 77e986edfc
3 changed files with 260 additions and 0 deletions
@@ -0,0 +1,115 @@
+import java.awt.event.*;
+
+import java.util.ArrayList;
+import java.io.File;
+
+public class Week9 {
+    private static ArrayList<Task> tasks;
+    private static String filepath;
+    private static Week9Gui gui;
+
+    // NOTE: For sorts, the Task class needs something implemented.
+    private static void sortByTitle() {
+        System.out.println("Sort By Title clicked!");
+        // TODO
+        gui.update(tasks);
+    }
+
+    // NOTE: For sorts, the Task class needs something implemented.
+    private static void sortByDueDate() {
+        System.out.println("Sort By Due Date clicked!");
+        // TODO
+        gui.update(tasks);
+    }
+
+    // NOTE: For sorts, the Task class needs something implemented.
+    private static void filterByComplete() {
+        System.out.println("Filter By Complete clicked!");
+        // TODO
+        gui.update(tasks);
+    }
+
+    private void parse(File f) {
+        // TODO: Need to open the file and get each line.
+        // TODO: Parse the format ("TITLE, DESCRIPTION, DUE DATE, COMPLETED"), 
+        // TODO: Create a new Task object and add it to the ArrayList.
+    }
+
+    // Writes each task to the file after a change.
+    private static void saveTasks() {
+        System.out.println("writing tasks to " + filepath);
+        // TODO: Write each Task stored in the ArrayList to the file.
+    }
+
+    ///////////////////////// END OF TODO ////////////////////////////
+
+    // Initialize tasks and GUI, populate with test data (if applicable).
+    private void init() {
+        filepath = getNotesDirectoryPath();
+        initTasks();
+        testData();
+    }
+
+    // Identify the operating system of the user, and obtain the path to the "tasks" directory.
+    private String getNotesDirectoryPath() {
+        String os = System.getProperty("os.name").toLowerCase();
+
+        String userHome = System.getProperty("user.home");
+        String tasksDir = "tasks";
+
+        if (os.contains("win")) // Windows
+            return userHome + "\\" + tasksDir;
+        else if (os.contains("mac")) // MacOS
+            return userHome + "/Library/Application Support/" + tasksDir;
+        else // Linux/other
+            return userHome + "/" + tasksDir;
+    }
+
+    // Create the tasks file if it does not already exist. Load tasks from the existing file otherwise.
+    private void initTasks() {
+        File f = new File(filepath);
+        tasks = new ArrayList<Task>();
+
+        if(f.isFile()) { 
+            System.out.println("loading tasks from " + filepath);
+            parse(f);
+        } else {
+            try {
+                f.createNewFile();
+                System.out.println(filepath + " has been created.");
+            } catch(Exception e) {
+                System.out.println(e);
+            }
+        }
+    }
+
+    // Test tasks, not read from a file and are not intended to be saved to a file.
+    private void testData() {
+        for(int i = 0; i < 10; i++)
+            tasks.add(new Task("Title " + i, "Description " + i, "Due Date " + i));
+    }
+
+    public static void main(String[] args) {
+        new Week9().init();
+        ActionListener sortByTitle = new ActionListener() {
+            public void actionPerformed(ActionEvent e) { 
+                sortByTitle();
+            }
+        };
+
+        ActionListener sortByDueDate = new ActionListener() {
+            public void actionPerformed(ActionEvent e) { 
+                sortByDueDate();
+            }
+        };
+
+        ActionListener filterByCompleted = new ActionListener() {
+            public void actionPerformed(ActionEvent e) { 
+                filterByComplete();
+            }
+        };
+
+        gui = new Week9Gui(tasks, sortByTitle, sortByDueDate, filterByCompleted);
+    }
+
+}