2021-03-24 22:54:38 +00:00
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/**
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* Copyright (c) 2006-2013, JGraph Ltd
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2022-01-18 07:46:56 +00:00
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*
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* JQuery plugin for labels
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*
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* This example demonstrates using
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* a JQuery plugin to generate labels for vertices on the fly.
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2021-03-24 22:54:38 +00:00
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*/
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import React from 'react';
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import mxEvent from '../mxgraph/util/mxEvent';
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import mxGraph from '../mxgraph/view/mxGraph';
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import mxRubberband from '../mxgraph/handler/mxRubberband';
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2022-01-18 07:46:56 +00:00
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const HTML_TEMPLATE = `
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2021-03-24 22:54:38 +00:00
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="position:relative;overflow:hidden;width:821px;height:661px;cursor:default;border:1px solid gray;">
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</div>
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</body>
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2022-01-18 07:46:56 +00:00
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`
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// Fixes possible clipping issues in Chrome
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Client.NO_FO = true;
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// Disables the built-in context menu
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mxEvent.disableContextMenu(container);
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// Creates the graph inside the given container
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let graph = new mxGraph(container);
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// Adds custom HTML labels
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graph.setHtmlLabels(true);
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let chartColors = {
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red: 'rgb(255, 99, 132)',
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orange: 'rgb(255, 159, 64)',
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yellow: 'rgb(255, 205, 86)',
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green: 'rgb(75, 192, 192)',
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blue: 'rgb(54, 162, 235)',
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purple: 'rgb(153, 102, 255)',
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grey: 'rgb(201, 203, 207)'
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};
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let randomScalingFactor = function() {
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return (Math.random() > 0.5 ? 1.0 : -1.0) * Math.round(Math.random() * 100);
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};
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let MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
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let config = {
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type: 'line',
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data: {
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labels: ["January", "February", "March", "April", "May", "June", "July"],
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datasets: [{
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label: "My First dataset",
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backgroundColor: chartColors.red,
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borderColor: chartColors.red,
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data: [
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor()
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],
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fill: false,
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}, {
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label: "My Second dataset",
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fill: false,
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backgroundColor: chartColors.blue,
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borderColor: chartColors.blue,
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data: [
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor(),
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randomScalingFactor()
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],
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}]
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},
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options: {
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responsive: true,
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title:{
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display:true,
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text:'Chart.js Line Chart'
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},
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tooltips: {
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mode: 'index',
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intersect: false,
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},
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hover: {
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mode: 'nearest',
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intersect: true
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},
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scales: {
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xAxes: [{
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display: true,
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scaleLabel: {
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display: true,
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labelString: 'Month'
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}
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}],
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yAxes: [{
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display: true,
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scaleLabel: {
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display: true,
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labelString: 'Value'
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}
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}]
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}
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}
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};
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// Returns canvas with dynamic chart for vertex labels
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let graphConvertValueToString = graph.convertValueToString;
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graph.convertValueToString = function(cell) {
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if (cell.isVertex()) {
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let node = document.createElement('canvas');
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node.setAttribute('width', cell.geometry.width);
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node.setAttribute('height', cell.geometry.height);
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// Document for empty output if not in DOM
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document.body.appendChild(node);
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let ctx = node.getContext("2d");
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new Chart(ctx, config);
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return node;
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}
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return graphConvertValueToString.apply(this, arguments);
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};
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// Enables rubberband selection
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new mxRubberband(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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let 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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var v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 300, 240,
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'overflow=fill;fillColor=none;fontColor=#000000;');
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var v2 = graph.insertVertex(parent, null, 'Hello,', 480, 320, 300, 240,
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'overflow=fill;fillColor=none;fontColor=#000000;');
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var e1 = graph.insertEdge(parent, null, '', v1, v2);
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});
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document.body.appendChild(mxUtils.button('+', function() {
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graph.zoomIn();
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}));
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document.body.appendChild(mxUtils.button('-', function() {
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graph.zoomOut();
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}));
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