-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathapp.js
134 lines (101 loc) · 3.3 KB
/
app.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
//UI vars
const form = document.querySelector("#task-form");
const taskInput = document.querySelector("#task");
const taskList = document.querySelector(".collection");
const filter = document.querySelector("#filter");
const clearBtn = document.querySelector(".clear-tasks");
loadEventListeners();
function loadEventListeners() {
document.addEventListener("DOMContentLoaded", getTasks);
form.addEventListener("submit", addTask);
taskList.addEventListener("click", removeTask);
clearBtn.addEventListener("click", clearTaskList);
filter.addEventListener("keyup", filterTasks);
}
function getTasks() {
let tasks;
if(localStorage.getItem("tasks") === null) {
tasks = [];
} else {
tasks = JSON.parse(localStorage.getItem("tasks"));
}
tasks.forEach(function(task) {
const li = document.createElement("li");
li.className = "collection-item";
li.appendChild(document.createTextNode(task));
const link = document.createElement("a");
link.className = "delete-item secondary-content";
link.innerHTML = `<i class="fa fa-remove" ></i>`;
li.appendChild(link);
taskList.appendChild(li);
});
}
function storeTaskInLocalStorage(task) {
let tasks;
if(localStorage.getItem("tasks") === null) {
tasks = [];
} else {
tasks = JSON.parse(localStorage.getItem("tasks"));
}
tasks.push(task);
localStorage.setItem("tasks", JSON.stringify(tasks))
}
function addTask(e) {
e.preventDefault();
if(taskInput.value === "") {
alert("Add a task");
} else {
const li = document.createElement("li");
li.className = "collection-item";
li.appendChild(document.createTextNode(taskInput.value));
const link = document.createElement("a");
link.className = "delete-item secondary-content";
link.innerHTML = `<i class="fa fa-remove" ></i>`;
li.appendChild(link);
taskList.appendChild(li);
storeTaskInLocalStorage(taskInput.value);
taskInput.value = "";
}
}
function removeTask(e) {
if(e.target.parentNode.classList.contains("delete-item")) {
if(confirm("Are you sure?")) {
e.target.parentNode.parentNode.remove();
removeTaskFromLocalStorage(e.target.parentNode.parentNode)
}
}
}
function removeTaskFromLocalStorage(taskItem) {
let tasks;
if(localStorage.getItem("tasks") === null) {
tasks = [];
} else {
tasks = JSON.parse(localStorage.getItem("tasks"));
}
tasks.forEach(function(task, index) {
if(taskItem.textContent === task) {
tasks.splice(index, 1);
}
});
localStorage.setItem("tasks", JSON.stringify(tasks))
}
function clearTaskList() {
while(taskList.firstChild) {
taskList.firstChild.remove();
}
cleatTasksFromLocalStorage();
}
function cleatTasksFromLocalStorage() {
localStorage.removeItem("tasks");
}
function filterTasks(e) {
const text = e.target.value.toLowerCase();
document.querySelectorAll(".collection-item").forEach(function(task) {
const item = task.firstChild.textContent.toLowerCase();
if(item.indexOf(text) !== -1) {
task.style.display = "block";
} else {
task.style.display = "none";
}
})
}