maxGraph/packages/html/stories/HierarchicalLayout.stories.js

127 lines
3.9 KiB
JavaScript

import mxgraph from '@mxgraph/core';
import { globalTypes } from '../.storybook/preview';
export default {
title: 'Layouts/HierarchicalLayout',
argTypes: {
...globalTypes,
contextMenu: {
type: 'boolean',
defaultValue: false
},
rubberBand: {
type: 'boolean',
defaultValue: true
}
}
};
const Template = ({ label, ...args }) => {
const {
mxGraph,
mxDomUtils,
mxFastOrganicLayout,
mxHierarchicalLayout,
mxPerimeter,
mxEvent,
mxRubberband,
mxConstants
} = mxgraph;
const div = document.createElement('div');
const container = document.createElement('div');
container.style.position = 'relative';
container.style.overflow = 'hidden';
container.style.width = `${args.width}px`;
container.style.height = `${args.height}px`;
container.style.background = 'url(/images/grid.gif)';
container.style.cursor = 'default';
div.appendChild(container);
// Creates the graph inside the given container
const graph = new mxGraph(container);
// Adds rubberband selection
if (args.rubberBand)
new mxRubberband(graph);
// Changes the default vertex style in-place
let style = graph.getStylesheet().getDefaultVertexStyle();
style.perimiter = mxPerimeter.RectanglePerimeter;
style.gradientColor = 'white';
style.perimeterSpacing = 6;
style.rounded = true;
style.shadow = true;
style = graph.getStylesheet().getDefaultEdgeStyle();
style.rounded = true;
// Creates a layout algorithm to be used
// with the graph
const layout = new mxHierarchicalLayout(graph);
const organic = new mxFastOrganicLayout(graph);
organic.forceConstant = 120;
const parent = graph.getDefaultParent();
const buttons = document.createElement('div');
div.appendChild(buttons);
// Adds a button to execute the layout
let button = document.createElement('button');
mxDomUtils.write(button, 'Hierarchical');
mxEvent.addListener(button, 'click', function(evt) {
layout.execute(parent);
});
buttons.appendChild(button);
// Adds a button to execute the layout
button = document.createElement('button');
mxDomUtils.write(button, 'Organic');
mxEvent.addListener(button, 'click', function(evt) {
organic.execute(parent);
});
buttons.appendChild(button);
// Load cells and layouts the graph
graph.getModel().beginUpdate();
try {
const v1 = graph.insertVertex(parent, null, '1', 0, 0, 80, 30);
const v2 = graph.insertVertex(parent, null, '2', 0, 0, 80, 30);
const v3 = graph.insertVertex(parent, null, '3', 0, 0, 80, 30);
const v4 = graph.insertVertex(parent, null, '4', 0, 0, 80, 30);
const v5 = graph.insertVertex(parent, null, '5', 0, 0, 80, 30);
const v6 = graph.insertVertex(parent, null, '6', 0, 0, 80, 30);
const v7 = graph.insertVertex(parent, null, '7', 0, 0, 80, 30);
const v8 = graph.insertVertex(parent, null, '8', 0, 0, 80, 30);
const v9 = graph.insertVertex(parent, null, '9', 0, 0, 80, 30);
const e1 = graph.insertEdge(parent, null, '', v1, v2);
const e2 = graph.insertEdge(parent, null, '', v1, v3);
const e3 = graph.insertEdge(parent, null, '', v3, v4);
const e4 = graph.insertEdge(parent, null, '', v2, v5);
const e5 = graph.insertEdge(parent, null, '', v1, v6);
const e6 = graph.insertEdge(parent, null, '', v2, v3);
const e7 = graph.insertEdge(parent, null, '', v6, v4);
const e8 = graph.insertEdge(parent, null, '', v6, v1);
const e9 = graph.insertEdge(parent, null, '', v6, v7);
const e10 = graph.insertEdge(parent, null, '', v7, v8);
const e11 = graph.insertEdge(parent, null, '', v7, v9);
const e12 = graph.insertEdge(parent, null, '', v7, v6);
const e13 = graph.insertEdge(parent, null, '', v7, v5);
// Executes the layout
layout.execute(parent);
} finally {
// Updates the display
graph.getModel().endUpdate();
}
return div;
}
export const Default = Template.bind({});