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/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { Ref, nextTick } from 'vue';
import * as os from '@/os.js';
import { i18n } from '@/i18n.js';
import { MFM_TAGS } from '@/const.js';
import type { MenuItem } from '@/types/menu.js';
/**
* MFMの装飾のリストを表示する
*/
export function mfmFunctionPicker(src: HTMLElement | EventTarget | null, textArea: HTMLInputElement | HTMLTextAreaElement, textRef: Ref<string>) {
os.popupMenu([{
text: i18n.ts.addMfmFunction,
type: 'label',
}, ...getFunctionList(textArea, textRef)], src);
}
function getFunctionList(textArea: HTMLInputElement | HTMLTextAreaElement, textRef: Ref<string>): MenuItem[] {
return MFM_TAGS.map(tag => ({
text: tag,
icon: 'ti ti-icons',
action: () => add(textArea, textRef, tag),
}));
}
function add(textArea: HTMLInputElement | HTMLTextAreaElement, textRef: Ref<string>, type: string) {
const caretStart: number = textArea.selectionStart as number;
const caretEnd: number = textArea.selectionEnd as number;
MFM_TAGS.forEach(tag => {
if (type === tag) {
if (caretStart === caretEnd) {
// 単純にFunctionを追加
const trimmedText = `${textRef.value.substring(0, caretStart)}$[${type} ]${textRef.value.substring(caretEnd)}`;
textRef.value = trimmedText;
} else {
// 選択範囲を囲むようにFunctionを追加
const trimmedText = `${textRef.value.substring(0, caretStart)}$[${type} ${textRef.value.substring(caretStart, caretEnd)}]${textRef.value.substring(caretEnd)}`;
textRef.value = trimmedText;
}
}
});
const nextCaretStart: number = caretStart + 3 + type.length;
const nextCaretEnd: number = caretEnd + 3 + type.length;
// キャレットを戻す
nextTick(() => {
textArea.focus();
textArea.setSelectionRange(nextCaretStart, nextCaretEnd);
});
}
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