|
| 1 | +let tasks = []; |
| 2 | +let nextId = 1; |
| 3 | + |
| 4 | +const newTaskInput = document.getElementById("new-task-input"); |
| 5 | +const addTaskButton = document.getElementById("add-task-button"); |
| 6 | +const pendingList = document.getElementById("pending-tasks-list"); |
| 7 | +const completedList = document.getElementById("completed-tasks-list"); |
| 8 | + |
| 9 | +function formatDateTime(date) { |
| 10 | + return date.toLocaleString(); |
| 11 | +} |
| 12 | +function createTask(text) { |
| 13 | + return { |
| 14 | + id: nextId++, |
| 15 | + text, |
| 16 | + status: "pending", |
| 17 | + createdAt: new Date(), |
| 18 | + completedAt: null |
| 19 | + }; |
| 20 | +} |
| 21 | + |
| 22 | +function renderTasks() { |
| 23 | + pendingList.innerHTML = ""; |
| 24 | + completedList.innerHTML = ""; |
| 25 | + |
| 26 | + tasks.forEach(task => { |
| 27 | + const li = document.createElement("li"); |
| 28 | + if (task.status === "completed") { |
| 29 | + li.classList.add("completed"); |
| 30 | + } |
| 31 | + |
| 32 | + const mainDiv = document.createElement("div"); |
| 33 | + mainDiv.className = "task-main"; |
| 34 | + |
| 35 | + const titleSpan = document.createElement("span"); |
| 36 | + titleSpan.className = "task-title"; |
| 37 | + titleSpan.textContent = task.text; |
| 38 | + |
| 39 | + const metaSpan = document.createElement("span"); |
| 40 | + metaSpan.className = "task-meta"; |
| 41 | + let metaText = "Created: " + formatDateTime(task.createdAt); |
| 42 | + if (task.completedAt) { |
| 43 | + metaText += " • Completed: " + formatDateTime(task.completedAt); |
| 44 | + } |
| 45 | + metaSpan.textContent = metaText; |
| 46 | + mainDiv.appendChild(titleSpan); |
| 47 | + mainDiv.appendChild(metaSpan); |
| 48 | + const actionsDiv = document.createElement("div"); |
| 49 | + actionsDiv.className = "task-actions"; |
| 50 | + const toggleBtn = document.createElement("button"); |
| 51 | + toggleBtn.textContent = task.status === "pending" ? "Complete" : "Pending"; |
| 52 | + toggleBtn.addEventListener("click", () => toggleTaskStatus(task.id)); |
| 53 | + const editBtn = document.createElement("button"); |
| 54 | + editBtn.textContent = "Edit"; |
| 55 | + editBtn.addEventListener("click", () => editTask(task.id)); |
| 56 | + const deleteBtn = document.createElement("button"); |
| 57 | + deleteBtn.textContent = "Delete"; |
| 58 | + deleteBtn.addEventListener("click", () => deleteTask(task.id)); |
| 59 | + actionsDiv.appendChild(toggleBtn); |
| 60 | + actionsDiv.appendChild(editBtn); |
| 61 | + actionsDiv.appendChild(deleteBtn); |
| 62 | + li.appendChild(mainDiv); |
| 63 | + li.appendChild(actionsDiv); |
| 64 | + |
| 65 | + if (task.status === "pending") { |
| 66 | + pendingList.appendChild(li); |
| 67 | + } else { |
| 68 | + completedList.appendChild(li); |
| 69 | + } |
| 70 | + }); |
| 71 | +} |
| 72 | +function addTask() { |
| 73 | + const text = newTaskInput.value.trim(); |
| 74 | + if (!text) return; |
| 75 | + const task = createTask(text); |
| 76 | + tasks.push(task); |
| 77 | + newTaskInput.value = ""; |
| 78 | + renderTasks(); |
| 79 | +} |
| 80 | +function toggleTaskStatus(id) { |
| 81 | + const task = tasks.find(t => t.id === id); |
| 82 | + if (!task) return; |
| 83 | + if (task.status === "pending") { |
| 84 | + task.status = "completed"; |
| 85 | + task.completedAt = new Date(); |
| 86 | + } else { |
| 87 | + task.status = "pending"; |
| 88 | + task.completedAt = null; |
| 89 | + } |
| 90 | + renderTasks(); |
| 91 | +} |
| 92 | +function editTask(id) { |
| 93 | + const task = tasks.find(t => t.id === id); |
| 94 | + if (!task) return; |
| 95 | + const newText = prompt("Edit task:", task.text); |
| 96 | + if (newText === null) return; |
| 97 | + const trimmed = newText.trim(); |
| 98 | + if (!trimmed) return; |
| 99 | + task.text = trimmed; |
| 100 | + renderTasks(); |
| 101 | +} |
| 102 | +function deleteTask(id) { |
| 103 | + tasks = tasks.filter(t => t.id !== id); |
| 104 | + renderTasks(); |
| 105 | +} |
| 106 | +addTaskButton.addEventListener("click", addTask); |
| 107 | +newTaskInput.addEventListener("keyup", event => { |
| 108 | + if (event.key === "Enter") { |
| 109 | + addTask(); |
| 110 | + } |
| 111 | +}); |
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