const textField = document.createElement('template')
textField.innerHTML = `
`
customElements.define('text-field', class extends HTMLElement {
constructor() {
super()
this.attachShadow({
mode: 'open'
}).append(textField.content.cloneNode(true))
this.textField = this.shadowRoot.querySelector('.text-field')
this.textContainer = this.textField.children[0]
this.editButton = this.textField.querySelector('.edit-button')
this.isTextEditable = false
this.isDisabled = false
this.setEditable = this.setEditable.bind(this)
this.setNonEditable = this.setNonEditable.bind(this)
this.toggleEditable = this.toggleEditable.bind(this)
this.revert = this.revert.bind(this)
}
static get observedAttributes() {
return ['disable']
}
get value() {
return this.text
}
set value(val) {
this.text = val
this.textContainer.textContent = val
this.setAttribute('value', val)
}
set disabled(val) {
this.isDisabled = val
if (this.isDisabled)
this.setAttribute('disable', '')
else
this.removeAttribute('disable')
}
setEditable() {
if (this.isTextEditable) return
this.textContainer.contentEditable = true
this.setAttribute('editable', '')
this.textContainer.focus()
document.execCommand('selectAll', false, null);
this.editButton.textContent = 'Done'
this.isTextEditable = true
}
setNonEditable() {
if (!this.isTextEditable) return
this.textContainer.contentEditable = false
this.removeAttribute('editable')
if (this.text !== this.textContainer.textContent.trim()) {
this.setAttribute('value', this.textContainer.textContent)
this.text = this.textContainer.textContent.trim()
this.dispatchEvent(new CustomEvent('change', {
bubbles: true,
cancelable: true,
composed: true
}));
}
this.editButton.textContent = 'Edit'
this.isTextEditable = false
}
toggleEditable() {
if (this.isTextEditable)
this.setNonEditable()
else
this.setEditable()
}
revert() {
if (this.textContainer.isContentEditable) {
this.value = this.text
this.setNonEditable()
}
}
connectedCallback() {
this.text
if (this.hasAttribute('value')) {
this.text = this.getAttribute('value')
this.textContainer.textContent = this.text
}
if (this.hasAttribute('disable'))
this.isDisabled = true
else
this.isDisabled = false
if (!this.isDisabled) {
this.textContainer.addEventListener('dblclick', this.setEditable)
this.editButton.addEventListener('click', this.toggleEditable)
}
}
attributeChangedCallback(name) {
if (name === 'disable') {
if (this.hasAttribute('disable')) {
this.editButton.classList.add('hide')
this.textContainer.removeEventListener('dblclick', this.setEditable)
this.editButton.removeEventListener('click', this.toggleEditable)
this.revert()
}
else {
this.editButton.classList.remove('hide')
this.textContainer.addEventListener('dblclick', this.setEditable)
this.editButton.addEventListener('click', this.toggleEditable)
}
}
}
disconnectedCallback() {
this.textContainer.removeEventListener('dblclick', this.setEditable)
this.editButton.removeEventListener('click', this.toggleEditable)
}
})