programmingfonts/index.js
2023-06-20 22:30:13 +02:00

426 lines
12 KiB
JavaScript

/* global CodeMirror window document Set */
/* eslint-disable no-implicit-globals */
// CodeMirror
const editor = CodeMirror.fromTextArea(document.getElementById('code'), {
lineNumbers: true,
styleActiveLine: true,
matchBrackets: true,
theme: 'pastel-on-dark',
lineWrapping: true
})
// CodeMirror theme selector
const input = document.getElementById('select-theme')
let fontData
const filters = {
style: false,
rendering: false,
liga: false,
zerostyle: false,
author: 'all',
name: ''
}
const selectTheme = () => {
let theme = 'monokai'
if (input.selectedIndex > -1) {
theme = input.options[input.selectedIndex].innerHTML
}
editor.setOption('theme', theme)
document.cookie = `theme=${theme};max-age=172800`
}
// ProgrammingFonts font selector
const selectFont = () => {
let font = window.location.hash.substring(1)
const msg = document.querySelector('footer .subtitle')
const codeMirror = document.querySelector('.CodeMirror')
if (!font) {
font = 'cartograph'
msg.innerHTML = 'Test drive all the programming fonts!'
} else if (typeof fontData !== 'undefined') {
msg.innerHTML = `Test drive <a rel="external" href="${fontData[font].website}">${fontData[font].name}!</a>`
}
if (typeof fontData !== 'undefined' && fontData[font].rendering === 'bitmap') {
codeMirror.classList.add('no-smooth')
} else {
codeMirror.classList.remove('no-smooth')
}
if (font === 'input') {
codeMirror.style.fontFamily = 'Input Mono, monospace'
codeMirror.querySelectorAll('pre, textarea').forEach((element) => {
element.style.fontFamily = 'Input Mono, monospace'
})
} else {
codeMirror.style.fontFamily = `${font}, monospace`
codeMirror.querySelectorAll('pre, textarea').forEach((element) => {
element.style.fontFamily = `${font}, monospace`
})
}
document.querySelectorAll('#select-font [data-alias]').forEach((element) => {
element.classList.remove('active')
})
document.querySelectorAll(`#select-font [data-alias='${font}']`).forEach((element) => {
element.classList.add('active')
})
document.cookie = `font=${font};max-age=172800`
}
window.onhashchange = selectFont
function setSize () {
const size = document.getElementById('size').value
document.querySelector('.CodeMirror').style.fontSize = `${size}px`
document.cookie = `size=${size};max-age=172800`
editor.refresh()
}
function setSpacing () {
const spacing = document.getElementById('spacing').value
document.querySelector('.CodeMirror').style.lineHeight = spacing
document.cookie = `spacing=${spacing};max-age=172800`
editor.refresh()
}
function selectLanguage () {
const lang = document.getElementById('select-language').value
editor.setOption('mode', lang.toLowerCase())
document.cookie = `language=${lang};max-age=172800`
}
function setCounter (amount) {
const element = document.querySelector('h1 a:first-child')
if (amount === 1) {
element.innerHTML = `${amount} Programming Font`
} else {
element.innerHTML = `${amount} Programming Fonts`
}
}
function applyFilters () {
let count = 0
Object.keys(filters).forEach((filter) => {
const button = document.querySelector(`button[value="${filter}"]`)
if (!button) {
return
}
if (filters[filter]) {
button.classList.add('selected')
button.querySelectorAll('svg').forEach((image) => {
image.classList.remove('selected')
})
button.querySelector(`svg[alt="${filters[filter]}"]`).classList.add('selected')
} else {
button.classList.remove('selected')
button.querySelectorAll('svg').forEach((image) => {
image.classList.remove('selected')
})
}
})
document.querySelectorAll('.entry[data-alias]').forEach((element) => {
const data = fontData[element.dataset.alias]
if (
(!filters.style || data.style === filters.style) &&
(!filters.rendering || data.rendering === filters.rendering) &&
(!filters.liga ||
(data.ligatures === false && filters.liga === 'no') ||
(data.ligatures === true && filters.liga === 'yes')) &&
(!filters.zerostyle || data.zerostyle === filters.zerostyle) &&
(filters.author === 'all' || data.author === filters.author) &&
(!filters.name || data.name.toLowerCase().indexOf(filters.name) > -1)
) {
element.classList.remove('filtered-out')
count++
} else {
element.classList.add('filtered-out')
}
})
setCounter(count)
}
function renderSelectList () {
const icon =
'<svg class="octicon" viewBox="0 0 12 14" version="1.1" width="12" height="14" aria-hidden="true"><path fill-rule="evenodd" d="M11 10h1v3c0 .55-.45 1-1 1H1c-.55 0-1-.45-1-1V3c0-.55.45-1 1-1h3v1H1v10h10v-3zM6 2l2.25 2.25L5 7.5 6.5 9l3.25-3.25L12 8V2H6z"></path></svg>'
const pinIcon =
'<svg class="octicon octicon-pin" viewBox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M10 1.2V2l.5 1L6 6H2.2c-.44 0-.67.53-.34.86L5 10l-4 5 5-4 3.14 3.14a.5.5 0 0 0 .86-.34V10l3-4.5 1 .5h.8c.44 0 .67-.53.34-.86L10.86.86a.5.5 0 0 0-.86.34z"></path></svg>'
let favoritesMap = {}
let favorites = []
const ajax = new XMLHttpRequest()
document.getElementById('select-font').innerHTML = ''
try {
favorites = JSON.parse(localStorage.getItem('favorites')) || []
favoritesMap = favorites.reduce((acc, alias) => {
acc[alias] = true
return acc
}, {})
} catch (err) {
// eslint-disable-next-line no-console
console.error('could not render favorites', err)
}
ajax.onreadystatechange = () => {
const fonts = []
const authors = []
if (ajax.readyState === 4 && ajax.status === 200) {
fontData = ajax.response
Object.keys(fontData).forEach((key) => {
const v = fontData[key]
v.alias = key
fonts.push(v)
if (authors.indexOf(v.author) < 0) {
authors.push(v.author)
}
})
}
authors.sort()
fonts.sort((a, b) => {
if (favoritesMap[a.alias] && !favoritesMap[b.alias]) {
return -1
}
if (!favoritesMap[a.alias] && favoritesMap[b.alias]) {
return 1
}
if (a.name.toLowerCase() < b.name.toLowerCase()) {
return -1
}
if (a.name.toLowerCase() > b.name.toLowerCase()) {
return 1
}
return 0
})
authors.forEach((author) => {
const option = document.createElement('option')
option.innerHTML = author
document.getElementById('authors-list').querySelector('.other').appendChild(option)
})
fonts.forEach((v) => {
const option = document.createElement('div')
option.classList.add('entry')
if (favoritesMap[v.alias]) {
option.classList.add('pinned')
}
option.setAttribute('data-alias', v.alias)
option.innerHTML = `<a href="#${v.alias}" data-style="${v.style}"><span class="name">${v.name}</span><span class="details">${v.year}${v.author}</span></a><a class="favoritelink" onclick="toggleFavorite('${v.alias}')">${pinIcon}</a><a class="website" href="${v.website}" rel="external"> <span>Website</span>${icon}</a>`
document.getElementById('select-font').appendChild(option)
})
selectFont()
applyFilters()
}
ajax.responseType = 'json'
ajax.open('GET', 'fonts.json', true)
ajax.send()
}
// eslint-disable-next-line no-unused-vars
function toggleFavorite (alias) {
try {
let favorites = JSON.parse(localStorage.getItem('favorites')) || []
if (favorites.indexOf(alias) > -1) {
favorites = favorites.filter((v) => {
return v !== alias
})
} else {
favorites.push(alias)
}
localStorage.setItem('favorites', JSON.stringify(Array.from(new Set(favorites))))
} catch (err) {
// eslint-disable-next-line no-console
console.error('could not save favorite', err)
}
renderSelectList()
return false
}
function walk (direction) {
const activeEntry = document.querySelector('.entry.active')
let target = null
let next = direction === 'up' ? activeEntry.previousElementSibling : activeEntry.nextElementSibling
while (target === null) {
if (next) {
if (next.matches('.entry:not(.filtered-out)')) {
target = next
} else {
next = direction === 'up' ? next.previousElementSibling : next.nextElementSibling
}
} else {
target = false
}
}
function isVisible (el) {
const offset = document.getElementById('filters').getBoundingClientRect().height
const container = document.querySelector('section.select-list').getBoundingClientRect().height
if (direction === 'up') {
if (el.getBoundingClientRect().top < offset) {
return false
}
} else {
if (el.getBoundingClientRect().bottom > offset + container) {
return false
}
}
return true
}
if (target) {
target.querySelector('a').click()
if (!isVisible(target)) {
target.scrollIntoView()
}
}
}
function increaseFontSize () {
const sizeEl = document.getElementById('size')
sizeEl.value = Number(sizeEl.value) + 1
sizeEl.onchange()
}
function decreaseFontSize () {
const sizeEl = document.getElementById('size')
sizeEl.value = Number(sizeEl.value) - 1
sizeEl.onchange()
}
function toggleFilter (filter) {
// cycle through the possible values for each filter
// and set the filters[filter] value,
// or at the end of the cycle set it to false
const options = {
style: [false, 'sans', 'serif'],
rendering: [false, 'vector', 'bitmap'],
liga: [false, 'yes', 'no'],
zerostyle: [false, 'slashed', 'dotted', 'empty']
}
const index = options[filter].indexOf(filters[filter])
const next = index + 1
if (next < options[filter].length) {
filters[filter] = options[filter][next]
} else {
filters[filter] = options[filter][0]
}
applyFilters()
}
window.addEventListener('DOMContentLoaded', () => {
const cookieValueSpacing = document.cookie.replace(/(?:(?:^|.*;\s*)spacing\s*=\s*([^;]*).*$)|^.*$/, '$1')
const cookieValueSize = document.cookie.replace(/(?:(?:^|.*;\s*)size\s*=\s*([^;]*).*$)|^.*$/, '$1')
const cookieValueTheme = document.cookie.replace(/(?:(?:^|.*;\s*)theme\s*=\s*([^;]*).*$)|^.*$/, '$1')
const cookieValueLanguage = document.cookie.replace(/(?:(?:^|.*;\s*)language\s*=\s*([^;]*).*$)|^.*$/, '$1')
if (cookieValueSpacing !== '') {
document.getElementById('spacing').value = cookieValueSpacing
}
if (cookieValueSize !== '') {
document.getElementById('size').value = cookieValueSize
}
if (cookieValueTheme !== '') {
document.getElementById('select-theme').value = cookieValueTheme
}
if (cookieValueLanguage !== '') {
document.getElementById('select-language').value = cookieValueLanguage
}
renderSelectList()
selectTheme()
setSize()
setSpacing()
selectLanguage()
function walkThemes (direction) {
const select = document.getElementById('select-theme')
const current = select.selectedOptions[0]
let next
if (current) {
next = direction === 'up' ? current.previousElementSibling : current.nextElementSibling
}
if (next) {
select.value = next.value
}
selectTheme()
}
document.getElementById('theme-next').onclick = () => {
walkThemes('down')
}
document.getElementById('theme-previous').onclick = () => {
walkThemes('up')
}
document
.getElementById('filters')
.querySelectorAll('button')
.forEach((button) => {
button.onclick = (event) => {
event.preventDefault()
event.stopPropagation()
toggleFilter(button.value)
}
})
document.getElementById('authors-list').onchange = (event) => {
filters.author = event.target.value
applyFilters()
}
document.getElementById('name-search').onkeyup = (event) => {
filters.name = event.target.value.toLowerCase()
applyFilters()
}
document.querySelector('.select-list').onkeyup = (event) => {
if (event.ctrlKey || event.altKey || event.metaKey || event.shiftKey) {
return
}
if (event.key === 'ArrowUp') {
event.preventDefault()
event.stopPropagation()
walk('up')
} else if (event.key === 'ArrowDown') {
event.preventDefault()
event.stopPropagation()
walk('down')
}
}
document.body.addEventListener('keydown', (event) => {
if (event.ctrlKey || event.metaKey) {
if (event.key === '-') {
event.preventDefault()
event.stopPropagation()
decreaseFontSize()
} else if (event.key === '=') {
event.preventDefault()
event.stopPropagation()
increaseFontSize()
}
}
})
})