test/graph-edge-highlight.html - master - githubmirror/echarts

test/graph-edge-highlight.html
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Support using dataType param to specify edge highlighting (#16243)
05 янв 2022, 06:58
05 янв 2022, 06:583731d5f
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<html>
<head>
    <meta charset="utf-8">
    <script src="lib/simpleRequire.js"></script>
    <script src="lib/config.js"></script>
    <script src="lib/jquery.min.js"></script>
    <script src="lib/dat.gui.min.js"></script>
</head>
<body>
<style>
    html, body, #main {
        width: 100%;
        height: 100%;
        margin: 0;
    }
</style>
<div id="main"></div>
<script>

    require([
        'echarts',
        'extension/dataTool',
        './data/les-miserables.gexf',
        'theme/vintage'
    ], function (echarts, dataTool, xml) {
        var gexf = dataTool.gexf;
        var chart = echarts.init(document.getElementById('main'), 'vintage');

        var graph = gexf.parse(xml);
        var categories = [];
        for (var i = 0; i < 9; i++) {
            categories[i] = {
                name: '类目' + i
            };
        }
        graph.nodes.forEach(function (node) {
            delete node.itemStyle;
            node.value = node.symbolSize;
            node.label = {
                normal: {
                    show: node.symbolSize > 30
                },
                emphasis: {
                    show: true
                }
            };
            node.category = node.attributes['modularity_class'];
        });
        graph.links.forEach(function (link) {
            delete link.lineStyle;
        });
        var option = {
            aria: {
                show: true,
                description: 'Les Miserables 的关系主要分为六个区域，这张图描述了他们之间的相互关联。'
            },
            tooltip: {},
            legend: [{
                // selectedMode: 'single',
                data: categories.map(function (a) {
                    return a.name;
                })
            }],
            animationDurationUpdate: 1500,
            animationEasingUpdate: 'quinticInOut',
            series : [
                {
                    name: 'Les Miserables',
                    type: 'graph',
                    layout: 'none',
                    data: graph.nodes,
                    links: graph.links,
                    categories: categories,
                    cursor: 'crosshair',
                    roam: true,
                    draggable: true,
                    itemStyle: {
                        normal: {
                            borderColor: '#fff',
                            borderWidth: 2,
                            shadowBlur: 10,
                            shadowColor: 'rgba(0, 0, 0, 0.3)'
                        }
                    },
                    emphasis: {
                        focus: 'adjacency'
                    },
                    // edgeSymbol: ['none', 'arrow'],
                    // scaleLimit: {
                    //     min: 1.5,
                    //     max: 2
                    // },
                    label: {
                        normal: {
                            position: 'right',
                            formatter: '{b}'
                        }
                    },
                    lineStyle: {
                        normal: {
                            color: 'source',
                            curveness: 0.3
                        },
                        emphasis: {
                            width: 10
                        }
                    }
                }
            ]
        };

        chart.setOption(option);

        var config = {
            layout: 'none',
            focusNodeAdjacency: true,
            manualFocusNodeAdjacency: function () {
                chart.dispatchAction({
                    type: 'highlight',
                    seriesName: 'Les Miserables',
                    dataIndex: 2
                });
            },
            manualUnfocusNodeAdjacency: function () {
                chart.dispatchAction({
                    type: 'downplay',
                    seriesName: 'Les Miserables'
                });
            },
            'circular.rotateLabel': false
        };

        // wrong dataType test case
        chart.dispatchAction({type: 'highlight',dataIndex: [0,1,2,3],dataType:'edges'})

        // chart.dispatchAction({type: 'highlight',dataIndex: [0,1,2,3], dataType: 'node'})

        // chart.on('mouseover', function (params) {
        //     chart.dispatchAction({type: 'highlight',dataIndex: [0,1,2,3],dataType:'edge'})
        // });
        chart.on('click', function (params) {
            console.log(params, params.data);
        });

        var gui = new dat.GUI();
        gui.add(config, 'layout', ['none', 'circular'])
            .onChange(function (value) {
                chart.setOption({
                    series: [{
                        name: 'Les Miserables',
                        layout: value
                    }]
                });
            });
        gui.add(config, 'focusNodeAdjacency')
            .onChange(function (value) {
                chart.setOption({
                    series: [{
                        name: 'Les Miserables',
                        emphasis: {
                            focus: config.focusNodeAdjacency ? 'adjacency' : null
                        }
                    }]
                });
            });
        gui.add(config, 'manualFocusNodeAdjacency');
        gui.add(config, 'manualUnfocusNodeAdjacency');
        gui.add(config, 'circular.rotateLabel')
            .onChange(function (value) {
                chart.setOption({
                    series: [{
                        name: 'Les Miserables',
                        circular: {rotateLabel: !!value}
                    }]
                });
            });
    });
</script>
</body>
</html>