mirror of
https://github.com/go-gitea/gitea
synced 2024-08-27 17:53:41 +02:00
Fixes #24398 Task: - [x] Reusing "textarea" like GitHub seems more friendly to users. - [x] ^V image pasting and file uploading handling. <details><summary>screenshots</summary> ![image](https://user-images.githubusercontent.com/18380374/235418877-00090552-ebda-411c-8e39-b47246bc8746.png) ![image](https://user-images.githubusercontent.com/18380374/235419073-dc33cad7-7626-4bce-9161-eb205c7384b5.png) Display only one markdown editor: ![image](https://user-images.githubusercontent.com/18380374/235419098-ee21386d-2b2d-432e-bdb2-18646cc031e7.png) Support file upload and ^V image pasting ![image](https://user-images.githubusercontent.com/18380374/235419364-7b390fa4-da56-437d-b55e-3847fbc049e7.png) </details> --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com> Co-authored-by: silverwind <me@silverwind.io>
139 lines
4.0 KiB
JavaScript
139 lines
4.0 KiB
JavaScript
import $ from 'jquery';
|
|
|
|
const {csrfToken} = window.config;
|
|
|
|
async function uploadFile(file, uploadUrl) {
|
|
const formData = new FormData();
|
|
formData.append('file', file, file.name);
|
|
|
|
const res = await fetch(uploadUrl, {
|
|
method: 'POST',
|
|
headers: {'X-Csrf-Token': csrfToken},
|
|
body: formData,
|
|
});
|
|
return await res.json();
|
|
}
|
|
|
|
function clipboardPastedImages(e) {
|
|
if (!e.clipboardData) return [];
|
|
|
|
const files = [];
|
|
for (const item of e.clipboardData.items || []) {
|
|
if (!item.type || !item.type.startsWith('image/')) continue;
|
|
files.push(item.getAsFile());
|
|
}
|
|
return files;
|
|
}
|
|
|
|
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());
|
|
}
|
|
}
|
|
|
|
|
|
const uploadClipboardImage = async (editor, dropzone, e) => {
|
|
const $dropzone = $(dropzone);
|
|
const uploadUrl = $dropzone.attr('data-upload-url');
|
|
const $files = $dropzone.find('.files');
|
|
|
|
if (!uploadUrl || !$files.length) return;
|
|
|
|
const pastedImages = clipboardPastedImages(e);
|
|
if (!pastedImages || pastedImages.length === 0) {
|
|
return;
|
|
}
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
|
|
for (const img of pastedImages) {
|
|
const name = img.name.slice(0, img.name.lastIndexOf('.'));
|
|
|
|
const placeholder = `![${name}](uploading ...)`;
|
|
editor.insertPlaceholder(placeholder);
|
|
const data = await uploadFile(img, uploadUrl);
|
|
editor.replacePlaceholder(placeholder, `![${name}](/attachments/${data.uuid})`);
|
|
|
|
const $input = $(`<input name="files" type="hidden">`).attr('id', data.uuid).val(data.uuid);
|
|
$files.append($input);
|
|
}
|
|
};
|
|
|
|
export function initEasyMDEImagePaste(easyMDE, dropzone) {
|
|
if (!dropzone) return;
|
|
easyMDE.codemirror.on('paste', async (_, e) => {
|
|
return uploadClipboardImage(new CodeMirrorEditor(easyMDE.codemirror), dropzone, e);
|
|
});
|
|
}
|
|
|
|
export function initTextareaImagePaste(textarea, dropzone) {
|
|
if (!dropzone) return;
|
|
$(textarea).on('paste', async (e) => {
|
|
return uploadClipboardImage(new TextareaEditor(textarea), dropzone, e.originalEvent);
|
|
});
|
|
}
|