import { CodeMirror } from "./CodeMirror.js"
import { activeElt } from "../util/dom.js"
import { off, on } from "../util/event.js"
import { copyObj } from "../util/misc.js"
export function fromTextArea(textarea, options) {
options = options ? copyObj(options) : {}
options.value = textarea.value
if (!options.tabindex && textarea.tabIndex)
options.tabindex = textarea.tabIndex
if (!options.placeholder && textarea.placeholder)
options.placeholder = textarea.placeholder
// Set autofocus to true if this textarea is focused, or if it has
// autofocus and no other element is focused.
if (options.autofocus == null) {
let hasFocus = activeElt(textarea.ownerDocument)
options.autofocus = hasFocus == textarea ||
textarea.getAttribute("autofocus") != null && hasFocus == document.body
}
function save() {textarea.value = cm.getValue()}
let realSubmit
if (textarea.form) {
on(textarea.form, "submit", save)
// Deplorable hack to make the submit method do the right thing.
if (!options.leaveSubmitMethodAlone) {
let form = textarea.form
realSubmit = form.submit
try {
let wrappedSubmit = form.submit = () => {
save()
form.submit = realSubmit
form.submit()
form.submit = wrappedSubmit
}
} catch(e) {}
}
}
options.finishInit = cm => {
cm.save = save
cm.getTextArea = () => textarea
cm.toTextArea = () => {
cm.toTextArea = isNaN // Prevent this from being ran twice
save()
textarea.parentNode.removeChild(cm.getWrapperElement())
textarea.style.display = ""
if (textarea.form) {
off(textarea.form, "submit", save)
if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
textarea.form.submit = realSubmit
}
}
}
textarea.style.display = "none"
let cm = CodeMirror(node => textarea.parentNode.insertBefore(node, textarea.nextSibling),
options)
return cm
}
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