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//@ts-check
/**
* Create The menubar
* @returns {HTMLMenuElement}
*/
export function createMenu() {
const header = document.createElement('header')
document.body.append(header)
const menu = document.createElement('menu')
header.append(menu)
menu.role = 'menubar'
return menu
}
/**
* @param {HTMLSelectElement} select
* @param {string} value
*/
function addSelectOption(select, value, text = value) {
const opt = document.createElement("option")
opt.textContent = text
opt.value = value
select.add(opt)
}
/**
* @param {HTMLMenuElement} menu
* @returns {HTMLLIElement}
*/
export function createMenuItem(menu) {
const menuItem = document.createElement('li')
menu.append(menuItem)
menuItem.role = 'menuitem'
return menuItem
}
export function createEditor() {
const editor = document.createElement('pre')
document.body.appendChild(editor)
editor.contentEditable = 'true'
editor.id = "editor"
return editor
}
/**
* @param {HTMLMenuElement} menu
* @param {HTMLPreElement} editor
*/
export function createFontSize(menu, editor) {
const menuitem = createMenuItem(menu)
const fontSize = document.createElement('select')
menuitem.appendChild(fontSize)
Object.entries({
['xx-small']: 'Very Very Small',
['x-small']: 'Very Very Small',
small: 'Small',
medium: 'Medium',
large: 'Large',
['x-large']: 'Very Large',
['xx-large']: 'Very Very Large',
['xxx-large']: 'Very Very Very Large',
}).forEach(([key, value]) => {
addSelectOption(fontSize, key, value)
})
fontSize.value = 'medium'
fontSize.addEventListener('change', async function () {
editor.style.fontSize = fontSize.value
})
}
/**
* @param {HTMLMenuElement} menu
*/
export function createPrinter(menu) {
const menuitem = createMenuItem(menu)
const print = document.createElement('button')
menuitem.appendChild(print)
print.textContent = 'Print'
print.addEventListener('click', async function () {
window.print()
})
}
/**
* @param {HTMLMenuElement} menu
* @param {HTMLPreElement} editor
* @param {HTMLInputElement} fileName
*/
export function createSaveFile(menu, editor, fileName) {
const menuitem = createMenuItem(menu)
const save = document.createElement('button')
menuitem.appendChild(save)
save.textContent = 'Save'
save.addEventListener('click',
async function () {
saveFile(editor.textContent ?? "", fileName.value)
}
)
}
/**
* @param {HTMLMenuElement} menu
* @param {HTMLPreElement} editor
* @param {HTMLInputElement} fileName
*/
export function createOpenFile(menu, editor, fileName) {
const menuitem = createMenuItem(menu)
const fileInput = document.createElement('input')
fileInput.type = 'file'
fileInput.id = 'fileInput'
const label = document.createElement('label')
label.textContent = 'Open'
label.htmlFor = fileInput.id
fileInput.addEventListener('change', async function () {
const files = this.files ?? new FileList()
const file = files[0]
editor.textContent = await file.text()
fileName.value = file.name
})
menuitem.appendChild(label)
menuitem.appendChild(fileInput)
}
/**
* @param {HTMLMenuElement} menu
*/
export async function createFileName(menu) {
const menuitem = createMenuItem(menu)
const fileName = document.createElement('input')
menuitem.append(fileName)
fileName.type = "text"
fileName.value = "untitled"
async function title() {
return document.title = `Text Editor - ${this.value}`
}
fileName.addEventListener("input", title)
await title.call(fileName)
return fileName
}
/**
* @param {BlobPart} content
* @param {string} filename
*/
function saveFile(content, filename) {
const blob = new Blob([content], { type: 'text/plain' })
const url = URL.createObjectURL(blob)
const link = document.createElement('a')
link.href = url
link.download = filename
document.body.appendChild(link)
link.click()
document.body.removeChild(link)
URL.revokeObjectURL(url)
}
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