121 lines
2.8 KiB
JavaScript
121 lines
2.8 KiB
JavaScript
import mxgraph from '@mxgraph/core';
|
|
|
|
import { globalTypes } from '../.storybook/preview';
|
|
|
|
export default {
|
|
title: 'Labels/Perimeter',
|
|
argTypes: {
|
|
...globalTypes,
|
|
rubberBand: {
|
|
type: 'boolean',
|
|
defaultValue: true
|
|
}
|
|
}
|
|
};
|
|
|
|
const Template = ({ label, ...args }) => {
|
|
const {
|
|
mxGraph,
|
|
mxRubberband,
|
|
mxGraphView,
|
|
mxUtils
|
|
} = mxgraph;
|
|
|
|
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';
|
|
|
|
// Redirects the perimeter to the label bounds if intersection
|
|
// between edge and label is found
|
|
const mxGraphViewGetPerimeterPoint =
|
|
mxGraphView.prototype.getPerimeterPoint;
|
|
mxGraphView.prototype.getPerimeterPoint = function(
|
|
terminal,
|
|
next,
|
|
orthogonal,
|
|
border
|
|
) {
|
|
let point = mxGraphViewGetPerimeterPoint.apply(this, arguments);
|
|
|
|
if (point != null) {
|
|
const perimeter = this.getPerimeterFunction(terminal);
|
|
|
|
if (terminal.text != null && terminal.text.boundingBox != null) {
|
|
// Adds a small border to the label bounds
|
|
const b = terminal.text.boundingBox.clone();
|
|
b.grow(3);
|
|
|
|
if (mxUtils.rectangleIntersectsSegment(b, point, next)) {
|
|
point = perimeter(b, terminal, next, orthogonal);
|
|
}
|
|
}
|
|
}
|
|
|
|
return point;
|
|
};
|
|
|
|
// Creates the graph inside the given container
|
|
const graph = new mxGraph(container);
|
|
graph.setVertexLabelsMovable(true);
|
|
graph.setConnectable(true);
|
|
|
|
// Uncomment the following if you want the container
|
|
// to fit the size of the graph
|
|
// graph.setResizeContainer(true);
|
|
|
|
// Enables rubberband selection
|
|
if (args.rubberBand)
|
|
new mxRubberband(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.getModel().beginUpdate();
|
|
try {
|
|
const v1 = graph.insertVertex(
|
|
parent,
|
|
null,
|
|
'Label',
|
|
20,
|
|
20,
|
|
80,
|
|
30,
|
|
'verticalLabelPosition=bottom'
|
|
);
|
|
const v2 = graph.insertVertex(
|
|
parent,
|
|
null,
|
|
'Label',
|
|
200,
|
|
20,
|
|
80,
|
|
30,
|
|
'verticalLabelPosition=bottom'
|
|
);
|
|
const v3 = graph.insertVertex(
|
|
parent,
|
|
null,
|
|
'Label',
|
|
20,
|
|
150,
|
|
80,
|
|
30,
|
|
'verticalLabelPosition=bottom'
|
|
);
|
|
var e1 = graph.insertEdge(parent, null, '', v1, v2);
|
|
var e1 = graph.insertEdge(parent, null, '', v1, v3);
|
|
} finally {
|
|
// Updates the display
|
|
graph.getModel().endUpdate();
|
|
}
|
|
|
|
return container;
|
|
}
|
|
|
|
export const Default = Template.bind({}); |