Mercurial
diff .cms/lib/codemirror/src/edit/fromTextArea.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/src/edit/fromTextArea.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,61 @@ +import { CodeMirror } from "./CodeMirror.js" +import { activeElt, rootNode } 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(rootNode(textarea)) + 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 +}