mirror of
https://github.com/go-gitea/gitea
synced 2024-12-23 00:54:28 +00:00
621e1ff9c9
Almost works like GitHub * use Tab/Shift-Tab to indent/unindent the selected lines * use Enter to insert a new line with the same indentation and prefix
168 lines
5.8 KiB
JavaScript
168 lines
5.8 KiB
JavaScript
import {htmlEscape} from 'escape-goat';
|
|
import {POST} from '../../modules/fetch.js';
|
|
import {imageInfo} from '../../utils/image.js';
|
|
import {getPastedContent, replaceTextareaSelection} from '../../utils/dom.js';
|
|
import {isUrl} from '../../utils/url.js';
|
|
|
|
async function uploadFile(file, uploadUrl) {
|
|
const formData = new FormData();
|
|
formData.append('file', file, file.name);
|
|
|
|
const res = await POST(uploadUrl, {data: formData});
|
|
return await res.json();
|
|
}
|
|
|
|
export function triggerEditorContentChanged(target) {
|
|
target.dispatchEvent(new CustomEvent('ce-editor-content-changed', {bubbles: true}));
|
|
}
|
|
|
|
class TextareaEditor {
|
|
constructor(editor) {
|
|
this.editor = editor;
|
|
}
|
|
|
|
insertPlaceholder(value) {
|
|
const editor = this.editor;
|
|
const startPos = editor.selectionStart;
|
|
const endPos = editor.selectionEnd;
|
|
editor.value = editor.value.substring(0, startPos) + value + editor.value.substring(endPos);
|
|
editor.selectionStart = startPos;
|
|
editor.selectionEnd = startPos + value.length;
|
|
editor.focus();
|
|
triggerEditorContentChanged(editor);
|
|
}
|
|
|
|
replacePlaceholder(oldVal, newVal) {
|
|
const editor = this.editor;
|
|
const startPos = editor.selectionStart;
|
|
const endPos = editor.selectionEnd;
|
|
if (editor.value.substring(startPos, endPos) === oldVal) {
|
|
editor.value = editor.value.substring(0, startPos) + newVal + editor.value.substring(endPos);
|
|
editor.selectionEnd = startPos + newVal.length;
|
|
} else {
|
|
editor.value = editor.value.replace(oldVal, newVal);
|
|
editor.selectionEnd -= oldVal.length;
|
|
editor.selectionEnd += newVal.length;
|
|
}
|
|
editor.selectionStart = editor.selectionEnd;
|
|
editor.focus();
|
|
triggerEditorContentChanged(editor);
|
|
}
|
|
}
|
|
|
|
class CodeMirrorEditor {
|
|
constructor(editor) {
|
|
this.editor = editor;
|
|
}
|
|
|
|
insertPlaceholder(value) {
|
|
const editor = this.editor;
|
|
const startPoint = editor.getCursor('start');
|
|
const endPoint = editor.getCursor('end');
|
|
editor.replaceSelection(value);
|
|
endPoint.ch = startPoint.ch + value.length;
|
|
editor.setSelection(startPoint, endPoint);
|
|
editor.focus();
|
|
triggerEditorContentChanged(editor.getTextArea());
|
|
}
|
|
|
|
replacePlaceholder(oldVal, newVal) {
|
|
const editor = this.editor;
|
|
const endPoint = editor.getCursor('end');
|
|
if (editor.getSelection() === oldVal) {
|
|
editor.replaceSelection(newVal);
|
|
} else {
|
|
editor.setValue(editor.getValue().replace(oldVal, newVal));
|
|
}
|
|
endPoint.ch -= oldVal.length;
|
|
endPoint.ch += newVal.length;
|
|
editor.setSelection(endPoint, endPoint);
|
|
editor.focus();
|
|
triggerEditorContentChanged(editor.getTextArea());
|
|
}
|
|
}
|
|
|
|
async function handleClipboardImages(editor, dropzone, images, e) {
|
|
const uploadUrl = dropzone.getAttribute('data-upload-url');
|
|
const filesContainer = dropzone.querySelector('.files');
|
|
|
|
if (!dropzone || !uploadUrl || !filesContainer || !images.length) return;
|
|
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
for (const img of images) {
|
|
const name = img.name.slice(0, img.name.lastIndexOf('.'));
|
|
|
|
const placeholder = `![${name}](uploading ...)`;
|
|
editor.insertPlaceholder(placeholder);
|
|
|
|
const {uuid} = await uploadFile(img, uploadUrl);
|
|
const {width, dppx} = await imageInfo(img);
|
|
|
|
let text;
|
|
if (width > 0 && dppx > 1) {
|
|
// Scale down images from HiDPI monitors. This uses the <img> tag because it's the only
|
|
// method to change image size in Markdown that is supported by all implementations.
|
|
// Make the image link relative to the repo path, then the final URL is "/sub-path/owner/repo/attachments/{uuid}"
|
|
const url = `attachments/${uuid}`;
|
|
text = `<img width="${Math.round(width / dppx)}" alt="${htmlEscape(name)}" src="${htmlEscape(url)}">`;
|
|
} else {
|
|
// Markdown always renders the image with a relative path, so the final URL is "/sub-path/owner/repo/attachments/{uuid}"
|
|
// TODO: it should also use relative path for consistency, because absolute is ambiguous for "/sub-path/attachments" or "/attachments"
|
|
const url = `/attachments/${uuid}`;
|
|
text = `![${name}](${url})`;
|
|
}
|
|
editor.replacePlaceholder(placeholder, text);
|
|
|
|
const input = document.createElement('input');
|
|
input.setAttribute('name', 'files');
|
|
input.setAttribute('type', 'hidden');
|
|
input.setAttribute('id', uuid);
|
|
input.value = uuid;
|
|
filesContainer.append(input);
|
|
}
|
|
}
|
|
|
|
function handleClipboardText(textarea, e, {text, isShiftDown}) {
|
|
// pasting with "shift" means "paste as original content" in most applications
|
|
if (isShiftDown) return; // let the browser handle it
|
|
|
|
// when pasting links over selected text, turn it into [text](link)
|
|
const {value, selectionStart, selectionEnd} = textarea;
|
|
const selectedText = value.substring(selectionStart, selectionEnd);
|
|
const trimmedText = text.trim();
|
|
if (selectedText && isUrl(trimmedText)) {
|
|
e.preventDefault();
|
|
replaceTextareaSelection(textarea, `[${selectedText}](${trimmedText})`);
|
|
}
|
|
// else, let the browser handle it
|
|
}
|
|
|
|
export function initEasyMDEPaste(easyMDE, dropzone) {
|
|
easyMDE.codemirror.on('paste', (_, e) => {
|
|
const {images} = getPastedContent(e);
|
|
if (images.length) {
|
|
handleClipboardImages(new CodeMirrorEditor(easyMDE.codemirror), dropzone, images, e);
|
|
}
|
|
});
|
|
}
|
|
|
|
export function initTextareaPaste(textarea, dropzone) {
|
|
let isShiftDown = false;
|
|
textarea.addEventListener('keydown', (e) => {
|
|
if (e.shiftKey) isShiftDown = true;
|
|
});
|
|
textarea.addEventListener('keyup', (e) => {
|
|
if (!e.shiftKey) isShiftDown = false;
|
|
});
|
|
textarea.addEventListener('paste', (e) => {
|
|
const {images, text} = getPastedContent(e);
|
|
if (images.length) {
|
|
handleClipboardImages(new TextareaEditor(textarea), dropzone, images, e);
|
|
} else if (text) {
|
|
handleClipboardText(textarea, e, {text, isShiftDown});
|
|
}
|
|
});
|
|
}
|