Internet_Programming_PIbd-2.../js/lines-ui.js
2023-12-08 22:40:11 +04:00

168 lines
6.2 KiB
JavaScript
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

// модуль для работы с элементами управления
// объект для удобного получения элементов
// при обращении к атрибуту объекта вызывается
// нужная функция для поиска элемента
export const cntrls = {
table: document.querySelector("#items-table tbody"),
form: document.getElementById("items-form"),
lineId: document.getElementById("items-line-id"),
title: document.getElementById("item-title"),
author: document.getElementById("item-author"),
price: document.getElementById("item-price"),
count: document.getElementById("item-count"),
descrition: document.getElementById("item-descrition"),
annotation: document.getElementById("item-annotation"),
itemId: document.getElementById("item-id"),
publisher: document.getElementById("item-publisher"),
series: document.getElementById("item-series"),
publicationYear: document.getElementById("item-publication-year"),
pagesNum: document.getElementById("item-pages-num"),
size: document.getElementById("item-size"),
coverType: document.getElementById("item-cover-type"),
circulation: document.getElementById("item-circulation"),
weight: document.getElementById("item-weight"),
сategoriesType: document.getElementById("item-category"),
image: document.getElementById("image"),
imagePreview: document.getElementById("image-preview"),
catalogBooks: document.getElementById("book-container"),
};
// Дефолтное превью
export const imagePlaceholder = "https://placehold.co/400x600/#DCDCDC/black";
// функция создает тег option для select
// <option value="" selected>name</option>
export function createCategoriesOption(name, value = "", isSelected = false) {
const option = document.createElement("option");
option.value = value || "";
option.selected = isSelected;
option.text = name;
return option;
}
// функция создает ссылку (a) для таблицы
// при нажатии вызывается callback
// ссылка "оборачивается" тегом td
function createTableAnchor(button, callback) {
const a = document.createElement("a");
a.href = "#";
a.appendChild(button);
a.onclick = (event) => {
// чтобы в URL не добавлялась решетка
event.preventDefault();
event.stopPropagation();
callback();
};
const td = document.createElement("td");
td.appendChild(a);
return td;
}
function createCatalogAnchor(image, callback) {
const a = document.createElement("a");
a.href = "#";
a.appendChild(image);
a.onclick = (event) => {
event.preventDefault();
event.stopPropagation();
callback();
};
return a;
}
// функция создает колонку таблицы с текстом value
// <td>value</td>
function createTableColumn(value) {
const td = document.createElement("td");
td.textContent = value;
return td;
}
// функция создает строку таблицы
export function createTableRow(item, index, editPageCallback, deleteCallback) {
const rowNumber = document.createElement("th");
rowNumber.scope = "row";
rowNumber.textContent = index + 1;
const row = document.createElement("tr");
row.id = `line-${item.id}`;
row.appendChild(rowNumber);
row.appendChild(createTableColumn(item.title));
row.appendChild(createTableColumn(item.author));
row.appendChild(createTableColumn(parseFloat(item.price).toFixed(2)));
row.appendChild(createTableColumn(item.count));
row.appendChild(createTableColumn(parseFloat(item.sum).toFixed(2)));
row.appendChild(createTableColumn(item.categories.name));
// редактировать на странице add-item
const btnEdit = document.createElement('button');
btnEdit.className = 'btn btn-primary w-100';
btnEdit.textContent = 'Редактировать';
row.appendChild(createTableAnchor(btnEdit, editPageCallback));
// удаление
const btnDelete = document.createElement('button');
btnDelete.className = 'btn btn-primary w-100';
btnDelete.textContent = 'Удалить';
row.appendChild(createTableAnchor(btnDelete, deleteCallback));
return row;
}
export function createCatalogItem(item, callback) {
const col = document.createElement("div");
col.className = 'col-sm-6 col-md-4 col-lg-3 mt-4';
const block = document.createElement("div");
block.className = 'block d-flex flex-column h-100';
const imgDiv = document.createElement("div");
imgDiv.className = 'd-flex justify-content-center mb-4';
const img = document.createElement("img");
img.src = item.image;
img.className = 'catalog-book-cover';
img.alt = 'book-cover-catalog-1';
img.width = '155';
img.height = '245';
imgDiv.appendChild(createCatalogAnchor(img, callback));
const bookDescription = document.createElement("div");
bookDescription.className = 'catalog-book-description d-flex flex-column align-items-start';
const price = document.createElement("p");
price.className = 'catalog-price mb-3';
const priceValue = parseInt(item.price, 10);
price.textContent = `${priceValue}`;
const title = document.createElement("p");
title.className = 'catalog-book-title mb-3';
title.textContent = item.title;
const author = document.createElement("p");
author.className = 'catalog-author mb-3';
author.textContent = item.author;
bookDescription.appendChild(price);
bookDescription.appendChild(title);
bookDescription.appendChild(author);
const flexDiv = document.createElement("div");
flexDiv.className = 'flex-grow-1';
const btnDiv = document.createElement("div");
btnDiv.className = 'catalog-btn-checkout-div d-flex justify-content-start';
const btn = document.createElement("btn");
btn.className = 'catalog-bth-checkout btn rounded-5 px-3';
btn.textContent = 'В корзину';
btnDiv.appendChild(btn);
block.appendChild(imgDiv);
block.appendChild(bookDescription);
block.appendChild(flexDiv);
block.appendChild(btnDiv);
col.appendChild(block);
return col;
}