BookStack/resources/js/wysiwyg/plugin-drawio.js

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import DrawIO from "../services/drawio";
let pageEditor = null;
let currentNode = null;
/**
* @type {WysiwygConfigOptions}
*/
let options = {};
function isDrawing(node) {
return node.hasAttribute('drawio-diagram');
}
function showDrawingManager(mceEditor, selectedNode = null) {
pageEditor = mceEditor;
currentNode = selectedNode;
/** @type {ImageManager} **/
const imageManager = window.$components.first('image-manager');
imageManager.show(function (image) {
if (selectedNode) {
const imgElem = selectedNode.querySelector('img');
pageEditor.undoManager.transact(function () {
pageEditor.dom.setAttrib(imgElem, 'src', image.url);
pageEditor.dom.setAttrib(selectedNode, 'drawio-diagram', image.id);
});
} else {
const imgHTML = `<div drawio-diagram="${image.id}" contenteditable="false"><img src="${image.url}"></div>`;
pageEditor.insertContent(imgHTML);
}
}, 'drawio');
}
function showDrawingEditor(mceEditor, selectedNode = null) {
pageEditor = mceEditor;
currentNode = selectedNode;
DrawIO.show(options.drawioUrl, drawingInit, updateContent);
}
async function updateContent(pngData) {
const id = "image-" + Math.random().toString(16).slice(2);
const loadingImage = window.baseUrl('/loading.gif');
const handleUploadError = (error) => {
if (error.status === 413) {
window.$events.emit('error', options.translations.serverUploadLimitText);
} else {
window.$events.emit('error', options.translations.imageUploadErrorText);
}
console.log(error);
};
// Handle updating an existing image
if (currentNode) {
DrawIO.close();
let imgElem = currentNode.querySelector('img');
try {
const img = await DrawIO.upload(pngData, options.pageId);
pageEditor.undoManager.transact(function () {
pageEditor.dom.setAttrib(imgElem, 'src', img.url);
pageEditor.dom.setAttrib(currentNode, 'drawio-diagram', img.id);
});
} catch (err) {
handleUploadError(err);
}
return;
}
setTimeout(async () => {
pageEditor.insertContent(`<div drawio-diagram contenteditable="false"><img src="${loadingImage}" id="${id}"></div>`);
DrawIO.close();
try {
const img = await DrawIO.upload(pngData, options.pageId);
pageEditor.undoManager.transact(function () {
pageEditor.dom.setAttrib(id, 'src', img.url);
pageEditor.dom.get(id).parentNode.setAttribute('drawio-diagram', img.id);
});
} catch (err) {
pageEditor.dom.remove(id);
handleUploadError(err);
}
}, 5);
}
function drawingInit() {
if (!currentNode) {
return Promise.resolve('');
}
const drawingId = currentNode.getAttribute('drawio-diagram');
return DrawIO.load(drawingId);
}
/**
*
* @param {WysiwygConfigOptions} providedOptions
* @return {function(Editor, string)}
*/
export function getPlugin(providedOptions) {
options = providedOptions;
return function(editor, url) {
editor.addCommand('drawio', () => {
const selectedNode = editor.selection.getNode();
showDrawingEditor(editor, isDrawing(selectedNode) ? selectedNode : null);
});
editor.ui.registry.addIcon('diagram', `<svg width="24" height="24" fill="${options.darkMode ? '#BBB' : '#000000'}" xmlns="http://www.w3.org/2000/svg"><path d="M20.716 7.639V2.845h-4.794v1.598h-7.99V2.845H3.138v4.794h1.598v7.99H3.138v4.794h4.794v-1.598h7.99v1.598h4.794v-4.794h-1.598v-7.99zM4.736 4.443h1.598V6.04H4.736zm1.598 14.382H4.736v-1.598h1.598zm9.588-1.598h-7.99v-1.598H6.334v-7.99h1.598V6.04h7.99v1.598h1.598v7.99h-1.598zm3.196 1.598H17.52v-1.598h1.598zM17.52 6.04V4.443h1.598V6.04zm-4.21 7.19h-2.79l-.582 1.599H8.643l2.717-7.191h1.119l2.724 7.19h-1.302zm-2.43-1.006h2.086l-1.039-3.06z"/></svg>`)
editor.ui.registry.addSplitButton('drawio', {
tooltip: 'Insert/edit drawing',
icon: 'diagram',
onAction() {
editor.execCommand('drawio');
// Hack to de-focus the tinymce editor toolbar
window.document.body.dispatchEvent(new Event('mousedown', {bubbles: true}));
},
fetch(callback) {
callback([
{
type: 'choiceitem',
text: 'Drawing manager',
value: 'drawing-manager',
}
]);
},
onItemAction(api, value) {
if (value === 'drawing-manager') {
const selectedNode = editor.selection.getNode();
showDrawingManager(editor, isDrawing(selectedNode) ? selectedNode : null);
}
}
});
editor.on('dblclick', event => {
let selectedNode = editor.selection.getNode();
if (!isDrawing(selectedNode)) return;
showDrawingEditor(editor, selectedNode);
});
editor.on('SetContent', function () {
const drawings = editor.dom.select('body > div[drawio-diagram]');
if (!drawings.length) return;
editor.undoManager.transact(function () {
for (const drawing of drawings) {
drawing.setAttribute('contenteditable', 'false');
}
});
});
};
}