112 lines
3.2 KiB
JavaScript
112 lines
3.2 KiB
JavaScript
import {
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Graph,
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RubberBandHandler,
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EdgeStyle,
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Point,
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constants,
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DomHelpers,
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Client,
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} from '@maxgraph/core';
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import { globalTypes } from '../.storybook/preview';
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import { popup } from '@maxgraph/core/gui/MaxWindow';
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import { getPrettyXml } from '@maxgraph/core/util/xmlUtils';
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export default {
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title: 'Connections/HelloPort',
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argTypes: {
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...globalTypes,
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rubberBand: {
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type: 'boolean',
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defaultValue: true,
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},
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},
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};
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const Template = ({ label, ...args }) => {
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Client.setImageBasePath('/images');
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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.setConnectable(true);
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graph.setTooltips(true);
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// Sets the default edge style
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const style = graph.getStylesheet().getDefaultEdgeStyle();
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style.edge = EdgeStyle.ElbowConnector;
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// Ports are not used as terminals for edges, they are
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// only used to compute the graphical connection point
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graph.isPort = function (cell) {
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const geo = cell.getGeometry();
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return geo != null ? geo.relative : false;
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};
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// Implements a tooltip that shows the actual
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// source and target of an edge
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graph.getTooltipForCell = function (cell) {
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if (cell.isEdge()) {
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return `${this.convertValueToString(
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cell.getTerminal(true)
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)} => ${this.convertValueToString(cell.getTerminal(false))}`;
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}
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return Graph.prototype.getTooltipForCell.apply(this, arguments);
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};
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// Removes the folding icon and disables any folding
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graph.isCellFoldable = function (cell) {
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return false;
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};
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// Enables rubberband selection
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if (args.rubberBand) new RubberBandHandler(graph);
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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, 'Hello', 20, 80, 80, 30);
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v1.setConnectable(false);
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const v11 = graph.insertVertex(v1, null, '', 1, 1, 10, 10);
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v11.geometry.offset = new Point(-5, -5);
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v11.geometry.relative = true;
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const v12 = graph.insertVertex(v1, null, '', 1, 0, 10, 10);
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v12.geometry.offset = new Point(-5, -5);
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v12.geometry.relative = true;
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const v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
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const v3 = graph.insertVertex(parent, null, 'World2', 200, 20, 80, 30);
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var e1 = graph.insertEdge(parent, null, '', v11, v2);
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var e1 = graph.insertEdge(parent, null, '', v12, v3);
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});
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const controller = document.createElement('div');
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div.appendChild(controller);
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const button = DomHelpers.button('View XML', function () {
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const encoder = new Codec();
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const node = encoder.encode(graph.getDataModel());
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popup(getPrettyXml(node), true);
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});
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controller.appendChild(button);
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return div;
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};
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export const Default = Template.bind({});
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