インラインでHTMLを編集するエディタ
code:index.html
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>インラインHTMLエディタ</title>
</head>
<body>
<main class="lines">
<div class="line">
<input type="text" value="hello,world">
<div class="prev" tabindex="0">hello,world</div>
<button type="button" class="del">X</button>
<button type="button" class="insert">挿</button>
</div>
</main>
<script>
linehtml = ` <div class="line">
<input type="text" value="">
<div class="prev" tabindex="0"></div>
<button type="button" class="del">X</button>
<button type="button" class="insert">挿</button>
</div>`
function re_event() {
document.querySelector('.lines').replaceWith(document.querySelector('.lines').cloneNode(true))
document.querySelectorAll('.line input').forEach((e) => {
e.addEventListener('blur', (ev) => {
ev.target.parentNode.classList.remove('edit')
ev.target.nextElementSibling.innerHTML = ev.target.value
})
e.addEventListener("keydown", (ev) => {
Enter押したときに、あたらしい<input>にfocusが移るようにするとよさそうtakker.icon
無理だったbsahd.icon
まじかtakker.icon
code:index.html
if (ev.key === "Enter") {
ev.target.blur()
ev.target.parentNode.outerHTML += linehtml
re_event()
}
if (ev.key === 'Backspace' & ev.target.value == '') {
ev.target.parentNode.previousElementSibling.children1.click() ev.target.parentNode.outerHTML = ''
re_event()
}
if (ev.key === "Escape") {
ev.target.blur()
}
if (ev.key === "ArrowDown") {
ev.target.parentNode.nextElementSibling.children1.click() }
if (ev.key === "ArrowUp") {
ev.target.parentNode.previousElementSibling.children1.click() }
});
})
document.querySelectorAll('.line .prev').forEach((e) => {
e.addEventListener('click', (ev) => {
ev.target.parentNode.classList.add('edit')
ev.target.previousElementSibling.focus()
})
e.addEventListener('keydown', (ev) => {
if (ev.key === "Enter") {
ev.target.parentNode.classList.add('edit')
ev.target.previousElementSibling.focus()
}
})
})
document.querySelectorAll('.line .insert').forEach((e) => {
e.addEventListener('click', (ev) => {
ev.target.parentNode.outerHTML += linehtml
re_event()
})
})
document.querySelectorAll('.line .del').forEach((e) => {
e.addEventListener('click', (ev) => {
ev.target.parentNode.outerHTML = ''
re_event()
})
})
}
re_event()
</script>
<style>
* {
box-sizing: border-box;
}
div.prev {
display: inline-block;
width: calc(100% - 64px);
height: 1lh;
margin: 0;
}
.line.edit {
}
.line input {
display: none;
width: calc(100% - 64px);
border: none;
font-size: 1rem;
outline: none;
padding: 0;
font-family: sans-serif;
}
.line.edit input {
display: inline-block;
}
.line.edit .prev {
display: none;
}
</style>
</body>
</html>