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Refactored TODO List app according to clean code guidelines #136

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Refactored TODO List app according to clean code guidelines #136

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ae96590
fix(html-2.2): add HTML5 DOCTYPE and language attribute
Altynaim6 Feb 15, 2025
d425dda
style(html-2.4): improve HTML indentation and structure
Altynaim6 Feb 15, 2025
62cb432
refactor(html-3.1): replace divs with semantic HTML elements and refa…
Altynaim6 Feb 15, 2025
38e6344
fix: correct CSS indentation according to rule X.X in html-and-css.md
Altynaim6 Feb 15, 2025
9df8561
refactor(js-3.1): improve variable names for clarity
Altynaim6 Feb 15, 2025
169aa0c
refactor(js-2.3): replace var with const and let for better scoping
Altynaim6 Feb 15, 2025
564b38b
Improve task management: bug fixes, refactoring, and usability improv…
Altynaim6 Feb 15, 2025
8db0a56
refactor: apply BEM naming, improve accessibility, and enhance styles
Altynaim6 Feb 15, 2025
d7c76be
feat(js): Add task completion functionality - Tasks move to Completed…
Altynaim6 Feb 15, 2025
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266 changes: 74 additions & 192 deletions app.js
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Original file line number Diff line number Diff line change
@@ -1,195 +1,77 @@
//Document is the DOM can be accessed in the console with document.window.
// Tree is from the top, html, body, p etc.

//Problem: User interaction does not provide the correct results.
//Solution: Add interactivity so the user can manage daily tasks.
//Break things down into smaller steps and take each step at a time.


// Event handling, user interaction is what starts the code execution.

var taskInput=document.getElementById("new-task");//Add a new task.
var addButton=document.getElementsByTagName("button")[0];//first button
var incompleteTaskHolder=document.getElementById("incompleteTasks");//ul of #incompleteTasks
var completedTasksHolder=document.getElementById("completed-tasks");//completed-tasks


//New task list item
var createNewTaskElement=function(taskString){

var listItem=document.createElement("li");

//input (checkbox)
var checkBox=document.createElement("input");//checkbx
//label
var label=document.createElement("label");//label
//input (text)
var editInput=document.createElement("input");//text
//button.edit
var editButton=document.createElement("button");//edit button

//button.delete
var deleteButton=document.createElement("button");//delete button
var deleteButtonImg=document.createElement("img");//delete button image

label.innerText=taskString;
label.className='task';

//Each elements, needs appending
checkBox.type="checkbox";
editInput.type="text";
editInput.className="task";

editButton.innerText="Edit"; //innerText encodes special characters, HTML does not.
editButton.className="edit";

deleteButton.className="delete";
deleteButtonImg.src='./remove.svg';
deleteButton.appendChild(deleteButtonImg);


//and appending.
listItem.appendChild(checkBox);
listItem.appendChild(label);
listItem.appendChild(editInput);
listItem.appendChild(editButton);
listItem.appendChild(deleteButton);
return listItem;
}



var addTask=function(){
console.log("Add Task...");
//Create a new list item with the text from the #new-task:
if (!taskInput.value) return;
var listItem=createNewTaskElement(taskInput.value);

//Append listItem to incompleteTaskHolder
incompleteTaskHolder.appendChild(listItem);
bindTaskEvents(listItem, taskCompleted);

taskInput.value="";

}

//Edit an existing task.

var editTask=function(){
console.log("Edit Task...");
console.log("Change 'edit' to 'save'");


var listItem=this.parentNode;

var editInput=listItem.querySelector('input[type=text]');
var label=listItem.querySelector("label");
var editBtn=listItem.querySelector(".edit");
var containsClass=listItem.classList.contains("editMode");
//If class of the parent is .editmode
if(containsClass){

//switch to .editmode
//label becomes the inputs value.
label.innerText=editInput.value;
editBtn.innerText="Edit";
}else{
editInput.value=label.innerText;
editBtn.innerText="Save";
document.addEventListener("DOMContentLoaded", function () {
const newTaskInput = document.getElementById("new-task");
const addButton = document.querySelector("button");
const todoList = document.getElementById("incomplete-tasks");
const completedList = document.getElementById("completed-tasks");

if (!newTaskInput || !addButton || !todoList || !completedList) {
console.error("One or more required DOM elements are missing.");
return;
}

//toggle .editmode on the parent.
listItem.classList.toggle("editMode");
};


//Delete task.
var deleteTask=function(){
console.log("Delete Task...");

var listItem=this.parentNode;
var ul=listItem.parentNode;
//Remove the parent list item from the ul.
ul.removeChild(listItem);

}


//Mark task completed
var taskCompleted=function(){
console.log("Complete Task...");

//Append the task list item to the #completed-tasks
var listItem=this.parentNode;
completedTasksHolder.appendChild(listItem);
bindTaskEvents(listItem, taskIncomplete);

}


var taskIncomplete=function(){
console.log("Incomplete Task...");
//Mark task as incomplete.
//When the checkbox is unchecked
//Append the task list item to the #incompleteTasks.
var listItem=this.parentNode;
incompleteTaskHolder.appendChild(listItem);
bindTaskEvents(listItem,taskCompleted);
}



var ajaxRequest=function(){
console.log("AJAX Request");
}

//The glue to hold it all together.


//Set the click handler to the addTask function.
addButton.onclick=addTask;
addButton.addEventListener("click",addTask);
addButton.addEventListener("click",ajaxRequest);


var bindTaskEvents=function(taskListItem,checkBoxEventHandler){
console.log("bind list item events");
//select ListItems children
var checkBox=taskListItem.querySelector("input[type=checkbox]");
var editButton=taskListItem.querySelector("button.edit");
var deleteButton=taskListItem.querySelector("button.delete");


//Bind editTask to edit button.
editButton.onclick=editTask;
//Bind deleteTask to delete button.
deleteButton.onclick=deleteTask;
//Bind taskCompleted to checkBoxEventHandler.
checkBox.onchange=checkBoxEventHandler;
}

//cycle over incompleteTaskHolder ul list items
//for each list item
for (var i=0; i<incompleteTaskHolder.children.length;i++){

//bind events to list items chldren(tasksCompleted)
bindTaskEvents(incompleteTaskHolder.children[i],taskCompleted);
}




//cycle over completedTasksHolder ul list items
for (var i=0; i<completedTasksHolder.children.length;i++){
//bind events to list items chldren(tasksIncompleted)
bindTaskEvents(completedTasksHolder.children[i],taskIncomplete);
}




// Issues with usability don't get seen until they are in front of a human tester.

//prevent creation of empty tasks.
addButton.addEventListener('click', function () {
const taskText = newTaskInput.value.trim();
if (taskText !== "") {
const taskItem = createTaskElement(taskText, false);
todoList.appendChild(taskItem);
newTaskInput.value = "";
}
});

function createTaskElement(taskText, isCompleted) {
const li = document.createElement("li");
li.innerHTML = `
<input type="checkbox" ${isCompleted ? 'checked' : ''}>
<label class="task">${taskText}</label>
<input type="text" class="task" value="${taskText}">
<button class="edit">Edit</button>
<button class="delete"><img src="./remove.svg" alt="Delete"></button>
`;

const checkbox = li.querySelector("input[type='checkbox']");
const editButton = li.querySelector(".edit");
const deleteButton = li.querySelector(".delete");
const label = li.querySelector(".task");
const textInput = li.querySelector("input[type='text']");

editButton.addEventListener("click", () => {
if (editButton.textContent === "Edit") {
label.style.display = "none";
textInput.style.display = "inline-block";
textInput.focus();
editButton.textContent = "Save";
} else {
label.style.display = "inline-block";
textInput.style.display = "none";
label.textContent = textInput.value;
editButton.textContent = "Edit";
}
});

deleteButton.addEventListener("click", () => {
li.remove();
});

checkbox.addEventListener("change", () => {
if (checkbox.checked) {
completedList.appendChild(li);
} else {
todoList.appendChild(li);
}
});

if (isCompleted) {
completedList.appendChild(li);
} else {
todoList.appendChild(li);
}

return li;
}

//Change edit to save when you are in edit mode.
const sampleTasks = ["Pay Bills", "Go Shopping", "See the Doctor"];
sampleTasks.forEach(task => {
const taskItem = createTaskElement(task, false);
todoList.appendChild(taskItem);
});
});
80 changes: 64 additions & 16 deletions index.html
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Original file line number Diff line number Diff line change
@@ -1,19 +1,67 @@
<html>
<HEAD><title>Todo App</title>
<link href='https://fonts.googleapis.com/css?family=Lato:300,400,700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" href="style.css" type="text/css" MEDIA="screen" charset="utf-8">
</HEAD>
<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Todo App</title>
<link href="https://fonts.googleapis.com/css?family=Lato:300,400,700" rel="stylesheet">
<link rel="stylesheet" href="./style.css" type="text/css" media="screen">
</head>

<body>
<div class="aaa"><img src="./eisenhower-matrix.jpg"><a class='more_inf' href="https://goal-life.com/page/method/matrix-eisenhower">Want more details&quest;</a></div>
<div class="centered-main-page-element"><p id='topSectionForAddingElementToList'><label for="new-task">Add Item</label><div class="task-row-wrapper"><input id='new-task'class="task" type="text"><button>Add</button></div>
</p><h3>Todo</h3>
<ul id='incompleteTasks'>
<li><input type='checkbox'><label class="task">Pay Bills</label><input type="text" class="task"><button class="edit">Edit</button><button class="delete"><img src="./remove.svg"></button></li>
<li class="editMode"><input type="checkbox"><label class="task">Go Shopping</label><input type="text" value="Go Shopping" class="task"><button class='edit'>Save</button><button class="delete"><img src="./remove.svg"></button></li>
</ul><h3>Completed</h3><ul id="completed-tasks"><li><input type="checkbox" checked><label class="task">See the Doctor</label><input type="text" class="task"><button class="edit">Edit</button><button class="delete"><img src="./remove.svg"></button>
</li>
</ul>
</div>
<script type="text/javascript" SRC="app.js"></script>

<div class="aaa">
<img src="./eisenhower-matrix.jpg" alt="Eisenhower Matrix">
<a class="more_inf" href="https://goal-life.com/page/method/matrix-eisenhower">Want more details?</a>
</div>

<div class="centered-main-page-element">
<p id="topSectionForAddingElementToList">
<label for="new-task">Add Item</label>
<div class="task-row-wrapper">
<input id="new-task" class="task" type="text" placeholder="Enter a task">
<button id="add-task">Add</button>
</div>
</p>

<h3>Todo</h3>
<ul id="incomplete-tasks">
<li>
<input type="checkbox">
<label class="task">Pay Bills</label>
<input type="text" class="task">
<button class="edit">Edit</button>
<button class="delete">
<img src="./remove.svg" alt="Delete">
</button>
</li>
<li class="editMode">
<input type="checkbox">
<label class="task">Go Shopping</label>
<input type="text" value="Go Shopping" class="task">
<button class="edit">Save</button>
<button class="delete">
<img src="./remove.svg" alt="Delete">
</button>
</li>
</ul>

<h3>Completed</h3>
<ul id="completed-tasks">
<li>
<input type="checkbox" checked>
<label class="task">See the Doctor</label>
<input type="text" class="task">
<button class="edit">Edit</button>
<button class="delete">
<img src="./remove.svg" alt="Delete">
</button>
</li>
</ul>
</div>

<script src="./app.js"></script>
</body>

</html>
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