diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..991c408f 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,12 +1,9 @@ - - + + - - + Book Library + + @@ -28,31 +25,48 @@

Library

-
- - - - - - +
+
+ + +
+ Please enter a title. +
+
+
+ + +
+ Please enter an author. +
+
+
+ + +
+ Please enter a valid positive integer page count. +
+
+
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..c97c8fa7 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,48 +1,108 @@ -let myLibrary = []; +const myLibrary = []; +const bookForm = document.getElementById("book-form"); +const titleInput = document.getElementById("title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const checkInput = document.getElementById("check"); -window.addEventListener("load", function (e) { +window.addEventListener("load", function () { populateStorage(); render(); + + if (bookForm) { + bookForm.addEventListener("submit", function (event) { + event.preventDefault(); + submit(); + }); + } + + if (titleInput) { + titleInput.addEventListener("input", function () { + titleInput.classList.remove("is-invalid"); + }); + } + + if (authorInput) { + authorInput.addEventListener("input", function () { + authorInput.classList.remove("is-invalid"); + }); + } + + if (pagesInput) { + pagesInput.addEventListener("input", function () { + pagesInput.classList.remove("is-invalid"); + }); + } }); function populateStorage() { - if (myLibrary.length == 0) { - let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true); - let book2 = new Book( + if (myLibrary.length === 0) { + const book1 = new Book("Robison Crusoe", "Daniel Defoe", 252, true); + const book2 = new Book( "The Old Man and the Sea", "Ernest Hemingway", - "127", + 127, true ); - myLibrary.push(book1); - myLibrary.push(book2); - render(); + myLibrary.push(book1, book2); } } -const title = document.getElementById("title"); -const author = document.getElementById("author"); -const pages = document.getElementById("pages"); -const check = document.getElementById("check"); - -//check the right input from forms and if its ok -> add the new book (object in array) -//via Book function and start render function function submit() { - if ( - title.value == null || - title.value == "" || - pages.value == null || - pages.value == "" - ) { - alert("Please fill all fields!"); - return false; + const titleValue = titleInput.value.trim(); + const authorValue = authorInput.value.trim(); + const pagesValue = pagesInput.value.trim(); + const pagesNumber = Number(pagesValue); + + const isTitleInvalid = !titleValue; + const isAuthorInvalid = !authorValue; + const isPagesInvalid = + !pagesValue || + isNaN(pagesNumber) || + pagesNumber <= 0 || + !Number.isInteger(pagesNumber); + + if (isTitleInvalid) { + titleInput.classList.add("is-invalid"); } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); - render(); + titleInput.classList.remove("is-invalid"); } + + if (isAuthorInvalid) { + authorInput.classList.add("is-invalid"); + } else { + authorInput.classList.remove("is-invalid"); + } + + if (isPagesInvalid) { + pagesInput.classList.add("is-invalid"); + } else { + pagesInput.classList.remove("is-invalid"); + } + + if (isTitleInvalid || isAuthorInvalid || isPagesInvalid) { + return false; + } + + const book = new Book( + titleValue, + authorValue, + pagesNumber, + checkInput.checked + ); + myLibrary.push(book); + + // Reset form values + if (bookForm) { + bookForm.reset(); + } + + render(); } +// Attach submit function to global window for inline onclick handler compatibility +window.submit = submit; + function Book(title, author, pages, check) { this.title = title; this.author = author; @@ -51,53 +111,59 @@ function Book(title, author, pages, check) { } function render() { - let table = document.getElementById("display"); - let rowsNumber = table.rows.length; - //delete old table - for (let n = rowsNumber - 1; n > 0; n-- { - table.deleteRow(n); - } - //insert updated row and cells - let length = myLibrary.length; + const tableBody = document.querySelector("#display tbody"); + tableBody.innerHTML = ""; + + const length = myLibrary.length; for (let i = 0; i < length; i++) { - let row = table.insertRow(1); - let titleCell = row.insertCell(0); - let authorCell = row.insertCell(1); - let pagesCell = row.insertCell(2); - let wasReadCell = row.insertCell(3); - let deleteCell = row.insertCell(4); - titleCell.innerHTML = myLibrary[i].title; - authorCell.innerHTML = myLibrary[i].author; - pagesCell.innerHTML = myLibrary[i].pages; - - //add and wait for action for read/unread button - let changeBut = document.createElement("button"); - changeBut.id = i; - changeBut.className = "btn btn-success"; - wasReadCell.appendChild(changeBut); - let readStatus = ""; - if (myLibrary[i].check == false) { - readStatus = "Yes"; - } else { - readStatus = "No"; - } - changeBut.innerText = readStatus; - - changeBut.addEventListener("click", function () { + const row = tableBody.insertRow(); + const titleCell = row.insertCell(0); + const authorCell = row.insertCell(1); + const pagesCell = row.insertCell(2); + const wasReadCell = row.insertCell(3); + const deleteCell = row.insertCell(4); + + titleCell.textContent = myLibrary[i].title; + authorCell.textContent = myLibrary[i].author; + pagesCell.textContent = myLibrary[i].pages; + + // Read status toggle button + const toggleReadBtn = document.createElement("button"); + toggleReadBtn.className = "btn btn-success"; + toggleReadBtn.textContent = myLibrary[i].check ? "Yes" : "No"; + + toggleReadBtn.addEventListener("click", function () { myLibrary[i].check = !myLibrary[i].check; render(); }); + wasReadCell.appendChild(toggleReadBtn); - //add delete button to every row and render again - let delButton = document.createElement("button"); - delBut.id = i + 5; - deleteCell.appendChild(delBut); - delBut.className = "btn btn-warning"; - delBut.innerHTML = "Delete"; - delBut.addEventListener("clicks", function () { - alert(`You've deleted title: ${myLibrary[i].title}`); - myLibrary.splice(i, 1); + // Delete button + const deleteBtn = document.createElement("button"); + deleteBtn.className = "btn btn-warning"; + deleteBtn.textContent = "Delete"; + + deleteBtn.addEventListener("click", function () { + const deletedBook = myLibrary.splice(i, 1)[0]; render(); + + // Non-blocking banner / status message update after state change + showNotification(`You've deleted title: ${deletedBook.title}`); }); + deleteCell.appendChild(deleteBtn); + } +} + +function showNotification(message) { + let noteEl = document.getElementById("notification"); + if (!noteEl) { + noteEl = document.createElement("div"); + noteEl.id = "notification"; + noteEl.className = "alert alert-info mt-3"; + document.querySelector(".container, body").prepend(noteEl); } + noteEl.textContent = message; + setTimeout(() => { + noteEl.remove(); + }, 3000); } diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css index 302950cb..9f3e1dad 100644 --- a/debugging/book-library/style.css +++ b/debugging/book-library/style.css @@ -1,6 +1,5 @@ -.form-group { +#book-form { width: 400px; - height: 300px; align-self: left; padding-left: 20px; }