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import attachTribute from '../tribute.js';
/**
* create an EasyMDE editor for comment
* @param textarea jQuery or HTMLElement
* @returns {null|EasyMDE}
*/
export function createCommentEasyMDE(textarea) {
if (textarea instanceof jQuery) {
textarea = textarea[0];
}
if (!textarea) {
return null;
}
const easyMDE = new window.EasyMDE({
autoDownloadFontAwesome: false,
element: textarea,
forceSync: true,
renderingConfig: {
singleLineBreaks: false
},
indentWithTabs: false,
tabSize: 4,
spellChecker: false,
toolbar: ['bold', 'italic', 'strikethrough', '|',
'heading-1', 'heading-2', 'heading-3', 'heading-bigger', 'heading-smaller', '|',
'code', 'quote', '|', {
name: 'checkbox-empty',
action(e) {
const cm = e.codemirror;
cm.replaceSelection(`\n- [ ] ${cm.getSelection()}`);
cm.focus();
},
className: 'fa fa-square-o',
title: 'Add Checkbox (empty)',
},
{
name: 'checkbox-checked',
action(e) {
const cm = e.codemirror;
cm.replaceSelection(`\n- [x] ${cm.getSelection()}`);
cm.focus();
},
className: 'fa fa-check-square-o',
title: 'Add Checkbox (checked)',
}, '|',
'unordered-list', 'ordered-list', '|',
'link', 'image', 'table', 'horizontal-rule', '|',
'clean-block', '|',
{
name: 'revert-to-textarea',
action(e) {
e.toTextArea();
},
className: 'fa fa-file',
title: 'Revert to simple textarea',
},
]
});
const inputField = easyMDE.codemirror.getInputField();
inputField.classList.add('js-quick-submit');
easyMDE.codemirror.setOption('extraKeys', {
Enter: () => {
const tributeContainer = document.querySelector('.tribute-container');
if (!tributeContainer || tributeContainer.style.display === 'none') {
return CodeMirror.Pass;
}
},
Backspace: (cm) => {
if (cm.getInputField().trigger) {
cm.getInputField().trigger('input');
}
cm.execCommand('delCharBefore');
}
});
attachTribute(inputField, {mentions: true, emoji: true});
// TODO: that's the only way we can do now to attach the EasyMDE object to a HTMLElement
inputField._data_easyMDE = easyMDE;
textarea._data_easyMDE = easyMDE;
return easyMDE;
}
/**
* get the attached EasyMDE editor created by createCommentEasyMDE
* @param el jQuery or HTMLElement
* @returns {null|EasyMDE}
*/
export function getAttachedEasyMDE(el) {
if (el instanceof jQuery) {
el = el[0];
}
if (!el) {
return null;
}
return el._data_easyMDE;
}
/**
* validate if the given textarea from a form, is non-empty.
* @param {jQuery | HTMLElement} form
* @param {jQuery | HTMLElement} textarea
* @returns {boolean} returns true if validation succeeded.
*/
export function validateTextareaNonEmpty(form, textarea) {
if (form instanceof jQuery) {
form = form[0];
}
if (textarea instanceof jQuery) {
textarea = textarea[0];
}
const $markdownEditorTextArea = $(getAttachedEasyMDE(textarea).codemirror.getInputField());
// The original edit area HTML element is hidden and replaced by the
// SimpleMDE/EasyMDE editor, breaking HTML5 input validation if the text area is empty.
// This is a workaround for this upstream bug.
// See https://github.com/sparksuite/simplemde-markdown-editor/issues/324
if (textarea.value.length) {
$markdownEditorTextArea.prop('required', true);
form.reportValidity();
return false;
}
$markdownEditorTextArea.prop('required', false);
return true;
}
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