maxGraph/packages/html/stories/Images.stories.js

142 lines
3.8 KiB
JavaScript

import {
Graph,
cloneUtils,
ImageBox,
Rectangle,
constants,
Perimeter,
} from '@maxgraph/core';
import { globalTypes } from '../.storybook/preview';
export default {
title: 'Icon_Images/Images',
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 given container
const graph = new Graph(container);
// Sets a background image and restricts child movement to its bounds
graph.setBackgroundImage(new ImageBox('images/gradient_background.jpg', 360, 200));
graph.maximumGraphBounds = new Rectangle(0, 0, 360, 200);
// Resizes the container but never make it bigger than the background
graph.minimumContainerSize = new Rectangle(0, 0, 360, 200);
graph.setResizeContainer(true);
// Disables basic selection and cell handling
// graph.setEnabled(false);
configureStylesheet(graph);
// 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(() => {
var v1 = graph.insertVertex(
parent,
null,
'First Line\nSecond Line',
20,
10,
80,
100,
'bottom'
);
var v1 = graph.insertVertex(
parent,
null,
'First Line\nSecond Line',
130,
10,
80,
100,
'top'
);
var v1 = graph.insertVertex(parent, null, '', 230, 10, 100, 100, 'image');
var v2 = graph.insertVertex(
parent,
null,
'First Line\nSecond Line',
20,
130,
140,
60,
'right'
);
var v2 = graph.insertVertex(
parent,
null,
'First Line\nSecond Line',
180,
130,
140,
60,
'left'
);
});
function configureStylesheet(graph) {
let style = {};
style.shape = constants.SHAPE.IMAGE;
style.perimiter = Perimeter.RectanglePerimeter;
style.image = 'images/icons48/keys.png';
style.fontColor = '#FFFFFF';
graph.getStylesheet().putCellStyle('image', style);
style = cloneUtils.clone(style);
style.shape = constants.SHAPE.LABEL;
style.strokeColor = '#000000';
style.align = constants.ALIGN.CENTER;
style.verticalAlign = constants.ALIGN.TOP;
style.imageAlign = constants.ALIGN.CENTER;
style.imageVerticalAlign = constants.ALIGN.TOP;
style.image = 'images/icons48/gear.png';
style.imageWidth = '48';
style.imageHeight = '48';
style.spacingTop = '56';
style.spacing = '8';
graph.getStylesheet().putCellStyle('bottom', style);
style = cloneUtils.clone(style);
style.imageVerticalAlign = constants.ALIGN.BOTTOM;
style.image = 'images/icons48/server.png';
delete style.spacingTop;
graph.getStylesheet().putCellStyle('top', style);
style = cloneUtils.clone(style);
style.align = constants.ALIGN.LEFT;
style.imageAlign = constants.ALIGN.LEFT;
style.verticalAlign = constants.ALIGN.MIDDLE;
style.imageVerticalAlign = constants.ALIGN.MIDDLE;
style.image = 'images/icons48/earth.png';
style.spacingLeft = '55';
style.spacing = '4';
graph.getStylesheet().putCellStyle('right', style);
style = cloneUtils.clone(style);
style.align = constants.ALIGN.RIGHT;
style.imageAlign = constants.ALIGN.RIGHT;
delete style.spacingLeft;
style.spacingRight = '55';
graph.getStylesheet().putCellStyle('left', style);
}
return container;
};
export const Default = Template.bind({});