maxGraph/packages/html/stories/Visibility.stories.js

138 lines
3.1 KiB
JavaScript

import mxgraph from '@mxgraph/core';
import { globalTypes } from '../.storybook/preview';
export default {
title: 'Misc/Visibility',
argTypes: {
...globalTypes,
rubberBand: {
type: 'boolean',
defaultValue: true
}
}
};
const Template = ({ label, ...args }) => {
const {
mxGraph,
mxRubberband,
mxDomHelpers
} = 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);
// 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();
let showOne = true;
let showTwo = true;
let showThree = true;
// Overridden to implement dynamic conditions
const isVisible = function() {
// TODO super cannot be used here
// let result = super.isVisible();
let result;
if (result && this.value != null) {
result =
(showOne && this.value == '1') ||
(showTwo && this.value == '2') ||
(showThree && this.value == '3');
}
return result;
};
// Adds cells to the model in a single step
let v1;
graph.batchUpdate(() => {
v1 = graph.insertVertex({
parent,
value: '1',
position: [20, 20],
size: [80, 30],
});
v1.isVisible = isVisible;
const v2 = graph.insertVertex({
parent,
value: '2',
position: [200, 150],
size: [80, 30],
});
v2.isVisible = isVisible;
const e1 = graph.insertEdge({
parent,
value: '3',
source: v1,
target: v2,
});
e1.isVisible = isVisible;
});
const buttons = document.createElement('div');
div.appendChild(buttons);
// Dynamic conditions (requires refresh)
buttons.appendChild(
mxDomHelpers.button('Cond 1', function() {
showOne = !showOne;
graph.refresh();
})
);
buttons.appendChild(
mxDomHelpers.button('Cond 2', function() {
showTwo = !showTwo;
graph.refresh();
})
);
buttons.appendChild(
mxDomHelpers.button('Cond 3', function() {
showThree = !showThree;
graph.refresh();
})
);
// Explicit show/hide
buttons.appendChild(
mxDomHelpers.button('Toggle cell', function() {
graph.toggleCells(!v1.isVisible(), [v1], true);
})
);
// Explicit remove/add
let removed = null;
buttons.appendChild(
mxDomHelpers.button('Add/remove cell', function() {
if (removed != null) {
graph.addCells(removed);
removed = null;
} else {
removed = graph.removeCells([v1]);
}
})
);
return div;
}
export const Default = Template.bind({});