156 lines
4.7 KiB
JavaScript
156 lines
4.7 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, constants, EdgeStyle, StackLayout, LayoutManager } from '@maxgraph/core';
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import { globalTypes } from '../.storybook/preview';
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export default {
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title: 'Layouts/Folding',
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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 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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// Should we allow overriding constant values?
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// Enables crisp rendering of rectangles in SVG
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// constants.ENTITY_SEGMENT = 20;
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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.setDropEnabled(true);
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// Disables global features
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graph.collapseToPreferredSize = false;
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graph.constrainChildren = false;
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graph.cellsSelectable = false;
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graph.extendParentsOnAdd = false;
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graph.extendParents = false;
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graph.border = 10;
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// Sets global styles
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let style = graph.getStylesheet().getDefaultEdgeStyle();
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style.edge = EdgeStyle.EntityRelation;
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style.rounded = true;
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style = graph.getStylesheet().getDefaultVertexStyle();
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style.fillColor = '#ffffff';
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style.shape = 'swimlane';
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style.startSize = 30;
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style = [];
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style.shape = constants.SHAPE_RECTANGLE;
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style.strokeColor = 'none';
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style.fillColor = 'none';
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style.foldable = false;
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graph.getStylesheet().putCellStyle('column', style);
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// Installs auto layout for all levels
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const layout = new StackLayout(graph, true);
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layout.border = graph.border;
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const layoutMgr = new LayoutManager(graph);
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layoutMgr.getLayout = function (cell) {
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if (!cell.collapsed) {
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if (cell.parent !== graph.model.root) {
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layout.resizeParent = true;
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layout.horizontal = false;
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layout.spacing = 10;
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} else {
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layout.resizeParent = true;
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layout.horizontal = true;
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layout.spacing = 40;
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}
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return layout;
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}
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return null;
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};
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// Resizes the container
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graph.setResizeContainer(true);
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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 col1 = graph.insertVertex(parent, null, '', 0, 0, 120, 0, {
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baseStyleNames: ['column'],
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});
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const v1 = graph.insertVertex(col1, null, '1', 0, 0, 100, 30);
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v1.collapsed = true;
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const v11 = graph.insertVertex(v1, null, '1.1', 0, 0, 80, 30);
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v11.collapsed = true;
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const v111 = graph.insertVertex(v11, null, '1.1.1', 0, 0, 60, 30);
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const v112 = graph.insertVertex(v11, null, '1.1.2', 0, 0, 60, 30);
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const v12 = graph.insertVertex(v1, null, '1.2', 0, 0, 80, 30);
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const col2 = graph.insertVertex(parent, null, '', 0, 0, 120, 0, {
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baseStyleNames: ['column'],
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});
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const v2 = graph.insertVertex(col2, null, '2', 0, 0, 100, 30);
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v2.collapsed = true;
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const v21 = graph.insertVertex(v2, null, '2.1', 0, 0, 80, 30);
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v21.collapsed = true;
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const v211 = graph.insertVertex(v21, null, '2.1.1', 0, 0, 60, 30);
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const v212 = graph.insertVertex(v21, null, '2.1.2', 0, 0, 60, 30);
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const v22 = graph.insertVertex(v2, null, '2.2', 0, 0, 80, 30);
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const v3 = graph.insertVertex(col2, null, '3', 0, 0, 100, 30);
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v3.collapsed = true;
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const v31 = graph.insertVertex(v3, null, '3.1', 0, 0, 80, 30);
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v31.collapsed = true;
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const v311 = graph.insertVertex(v31, null, '3.1.1', 0, 0, 60, 30);
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const v312 = graph.insertVertex(v31, null, '3.1.2', 0, 0, 60, 30);
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const v32 = graph.insertVertex(v3, null, '3.2', 0, 0, 80, 30);
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graph.insertEdge(parent, null, '', v111, v211);
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graph.insertEdge(parent, null, '', v112, v212);
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graph.insertEdge(parent, null, '', v112, v22);
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graph.insertEdge(parent, null, '', v12, v311);
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graph.insertEdge(parent, null, '', v12, v312);
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graph.insertEdge(parent, null, '', v12, v32);
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});
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return container;
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};
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export const Default = Template.bind({});
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