maxGraph/packages/html/stories/Stylesheet.stories.js

106 lines
3.5 KiB
JavaScript

import { Graph, Perimeter, constants, EdgeStyle } from '@maxgraph/core';
import { globalTypes } from '../.storybook/preview';
export default {
title: 'Styles/Stylesheet',
argTypes: {
...globalTypes,
},
};
const Template = ({ label, ...args }) => {
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';
// Creates the graph inside the DOM node.
const graph = new Graph(container);
// Disables basic selection and cell handling
graph.setEnabled(false);
// Returns a special label for edges. Note: This does
// a supercall to use the default implementation.
graph.getLabel = function (cell) {
const label = Graph.prototype.getLabel.apply(this, arguments);
if (cell.isEdge()) {
return `Transfer ${label}`;
}
return label;
};
// Installs a custom global tooltip
graph.setTooltips(true);
graph.getTooltip = function (state) {
const { cell } = state;
const model = this.getDataModel();
if (modcellel.isEdge()) {
const source = this.getLabel(cell.getTerminal(true));
const target = this.getLabel(cell.getTerminal(false));
return `${source} -> ${target}`;
}
return this.getLabel(cell);
};
// Creates the default style for vertices
let style = [];
style.shape = constants.SHAPE.RECTANGLE;
style.perimiter = Perimeter.RectanglePerimeter;
style.strokeColor = 'gray';
style.rounded = true;
style.fillColor = '#EEEEEE';
style.gradientColor = 'white';
style.fontColor = '#774400';
style.align = constants.ALIGN.CENTER;
style.verticalAlign = constants.ALIGN.MIDDLE;
style.fontSize = '12';
style.fontStyle = 1;
graph.getStylesheet().putDefaultVertexStyle(style);
// Creates the default style for edges
style = [];
style.shape = constants.SHAPE.CONNECTOR;
style.strokeColor = '#6482B9';
style.align = constants.ALIGN.CENTER;
style.verticalAlign = constants.ALIGN.MIDDLE;
style.edge = EdgeStyle.ElbowConnector;
style.endArrow = constants.ARROW.CLASSIC;
style.fontSize = '10';
graph.getStylesheet().putDefaultEdgeStyle(style);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
const parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.batchUpdate(() => {
const v1 = graph.insertVertex(parent, null, 'Interval 1', 20, 20, 180, 30);
const v2 = graph.insertVertex(parent, null, 'Interval 2', 140, 80, 280, 30);
const v3 = graph.insertVertex(parent, null, 'Interval 3', 200, 140, 360, 30);
const v4 = graph.insertVertex(parent, null, 'Interval 4', 480, 200, 120, 30);
const v5 = graph.insertVertex(parent, null, 'Interval 5', 60, 260, 400, 30);
const e1 = graph.insertEdge(parent, null, '1', v1, v2);
e1.getGeometry().points = [{ x: 160, y: 60 }];
const e2 = graph.insertEdge(parent, null, '2', v1, v5);
e2.getGeometry().points = [{ x: 80, y: 60 }];
const e3 = graph.insertEdge(parent, null, '3', v2, v3);
e3.getGeometry().points = [{ x: 280, y: 120 }];
const e4 = graph.insertEdge(parent, null, '4', v3, v4);
e4.getGeometry().points = [{ x: 500, y: 180 }];
const e5 = graph.insertEdge(parent, null, '5', v3, v5);
e5.getGeometry().points = [{ x: 380, y: 180 }];
});
return container;
};
export const Default = Template.bind({});