104 lines
2.9 KiB
JavaScript
104 lines
2.9 KiB
JavaScript
/*
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Copyright 2021-present The maxGraph project Contributors
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Copyright (c) 2006-2020, JGraph Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { Graph, DomHelpers } from '@maxgraph/core';
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import { globalTypes } from '../.storybook/preview';
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export default {
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title: 'Zoom_OffPage/LoD',
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argTypes: {
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...globalTypes,
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},
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};
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const Template = ({ label, ...args }) => {
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const div = document.createElement('div');
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const container = document.createElement('div');
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container.style.position = 'relative';
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container.style.overflow = 'hidden';
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container.style.width = `${args.width}px`;
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container.style.height = `${args.height}px`;
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container.style.background = 'url(/images/grid.gif)';
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container.style.cursor = 'default';
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div.appendChild(container);
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// Creates the graph inside the given container
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const graph = new Graph(container);
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graph.centerZoom = false;
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// Links level of detail to zoom level but can be independent of zoom
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const isVisible = function () {
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return this.lod == null || this.lod / 2 < graph.view.scale;
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};
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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const parent = graph.getDefaultParent();
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// Adds cells to the model in a single step
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graph.batchUpdate(() => {
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const v1 = graph.insertVertex(parent, null, '1', 20, 20, 80, 30);
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v1.lod = 1;
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v1.isVisible = isVisible;
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const v2 = graph.insertVertex(parent, null, '1', 200, 150, 80, 30);
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v2.lod = 1;
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v2.isVisible = isVisible;
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const v3 = graph.insertVertex(parent, null, '2', 20, 150, 40, 20);
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v3.lod = 2;
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v3.isVisible = isVisible;
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const v4 = graph.insertVertex(parent, null, '3', 200, 10, 20, 20);
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v4.lod = 3;
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v4.isVisible = isVisible;
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const e1 = graph.insertEdge(parent, null, '2', v1, v2, { strokeWidth: 2 });
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e1.lod = 2;
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e1.isVisible = isVisible;
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const e2 = graph.insertEdge(parent, null, '2', v3, v4, { strokeWidth: 2 });
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e2.lod = 2;
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e2.isVisible = isVisible;
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const e3 = graph.insertEdge(parent, null, '3', v1, v4, { strokeWidth: 1 });
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e3.lod = 3;
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e3.isVisible = isVisible;
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});
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const buttons = document.createElement('div');
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div.appendChild(buttons);
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buttons.appendChild(
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DomHelpers.button('+', function () {
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graph.zoomIn();
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})
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);
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buttons.appendChild(
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DomHelpers.button('-', function () {
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graph.zoomOut();
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})
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);
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return div;
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};
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export const Default = Template.bind({});
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