example/public/iframe.html (134 lines of code) (raw):
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
.modal {
display: block;
position: fixed;
z-index: 1;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: auto;
background-color: rgb(0, 0, 0);
background-color: rgba(0, 0, 0, 0.4);
}
.modal-content {
background-color: #fefefe;
margin: 0% auto;
padding: 20px;
border: 1px solid #888;
width: 80%;
}
.close {
color: #aaa;
float: right;
font-size: 28px;
font-weight: bold;
}
.close:hover,
.close:focus {
color: black;
text-decoration: none;
cursor: pointer;
}
.inputs {
display: flex;
flex-direction: column;
}
.columns {
width: 100%;
display: flex;
gap: 40px;
}
.columns > div:nth-child(2) {
width: 80%;
}
textarea {
width: 100%;
height: 500px;
}
input {
margin: 5px 0;
}
label {
margin-right: 20px;
}
</style>
</head>
<body>
<div class="columns">
<div>
<button>Open Modal</button>
<div class="inputs">
<div>
<label>Height</label>
<input placeholder="height" class="height" />
</div>
<div>
<label>Width</label>
<input placeholder="width" class="width" />
</div>
</div>
</div>
<div>
<textarea
class="molecule"
placeholder="Insert a molecule here..."
></textarea>
</div>
</div>
<script defer>
const button = document.querySelector('button')
const textarea = document.querySelector('.molecule')
const width = document.querySelector('.width')
const height = document.querySelector('.height')
const modalContent = `
<div class="modal-content">
<span class="close">×</span>
<iframe
width="784"
height="624"
id="iframe"
src="env_url"
sandbox="allow-scripts allow-same-origin"
></iframe>
</div>
`
let modal
let closeIcon;
let iframe;
function closeModal() {
closeIcon.removeEventListener('click', closeModal)
modal.remove()
}
function createModal() {
modal = document.createElement('div')
modal.classList.add('modal')
modal.innerHTML = modalContent
document.body.appendChild(modal)
closeIcon = document.querySelector('.close')
iframe = document.getElementById('iframe')
iframe.style.height = height.value + 'px'
iframe.style.width = width.value + 'px'
closeIcon.addEventListener('click', closeModal)
}
button.onclick = createModal
window.onclick = function (event) {
if (event.target == modal) {
closeModal()
}
}
window.addEventListener('message', (event) => {
if (event.data.eventType === 'init') {
iframe.contentWindow.ketcher.setMolecule(textarea.value)
}
})
</script>
</body>
</html>