Redo/Undo
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import { addPanel } from '/demo-runtime.ts';
import { Graph } from '@antv/g6';
const graph = new Graph({
container: 'container',
data: {
nodes: [{ id: 'node-0', style: { x: 200, y: 150 } }],
},
node: {
style: {
size: 60,
labelText: 'Drag Me!',
labelPlacement: 'middle',
labelFill: '#fff',
},
},
behaviors: ['drag-element'],
plugins: [
{
type: 'history',
key: 'history',
},
],
});
graph.render().then(() => {
addPanel((gui) => {
const history = graph.getPluginInstance('history');
const config = {
undo: () => {
if (history.canUndo()) history.undo();
},
redo: () => {
if (history.canRedo()) history.redo();
},
};
gui.add(config, 'undo').name('⬅️ undo');
gui.add(config, 'redo').name('➡️ redo');
});
});
import { Graph } from '@antv/g6';
import GUI from 'lil-gui';
export function addPanel(renderPanel: (gui: GUI) => void) {
const gui = new GUI({ container: document.body });
gui.title('Control');
Object.assign(gui.domElement.style, { position: 'absolute', top: '0', right: '0', zIndex: '10' });
renderPanel(gui);
addEventListener('pagehide', () => gui.destroy(), { once: true });
}
export async function createGraph(
options: ConstructorParameters<typeof Graph>[0],
size: { width?: number; height?: number } = {},
renderPanel?: (gui: GUI, graph: Graph) => void,
) {
const container = document.createElement('div');
Object.assign(container.style, {
width: '100%',
maxWidth: `${size.width || 600}px`,
height: `${size.height || 400}px`,
});
document.getElementById('container')!.append(container);
const graph = new Graph({ ...size, ...options, width: container.clientWidth, container, autoResize: true });
addEventListener('pagehide', () => graph.destroy(), { once: true });
await graph.render();
if (renderPanel) addPanel((gui) => renderPanel(gui, graph));
return container;
}