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   http://www.apache.org/licenses/LICENSE-2.0

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<html>

<head>
    <meta charset="utf-8">
    <script src="lib/simpleRequire.js"></script>
    <script src="lib/config.js"></script>
    <meta name="viewport" content="width=device-width, initial-scale=1" />
</head>

<body>
    <style>
        html,
        body,
        #main1,
        #main2,
        #main3,
        #main4 {
            width: 100%;
            height: 250px;
            margin: 0;
        }

        .test-title {
            background: #146402;
            padding: 10px;
            color: #fff;
        }

        button {
            padding: 10px 20px;
            margin: 10px;
        }
    </style>

    <div class="test-title">Animation: Transition from previous state to new state, in 10 seconds after clicking Go</div>
    <button id="btn1">Go</button>
    <div id="main1"></div>

    <div class="test-title">Animation: Transition all over again, in 10 seconds after clicking Go</div>
    <button id="btn2">Go</button>
    <div id="main2"></div>

    <div class="test-title">Should display labels on emphasis if no animation</div>
    <div id="main3"></div>


    <div class="test-title">Should animate correctly when switching between NaN value</div>
    <button id="btn3">Go</button>
    <div id="main4"></div>

    <script>

        require([
            'echarts'
        ], function (echarts) {


            var chart = echarts.init(document.getElementById('main1'));
            var data = [
                {"name": "a1", "value": 92386},
                {"name": "b1", "value": 90611},
                {"name": "c1", "value": 12596},
                {"name": "d1", "value": 9438},
                {"name": "e1", "value": 10049}
            ];
            var data2 = [
                {"name": "a1", "value": 120},
                {"name": "b1", "value": 200},
                {"name": "c1", "value": 300},
                {"name": "x1", "value": 20},
                {"name": "y1", "value": 30}
            ];

            var option = {
                series: [{
                    type: 'pie',
                    animationDuration: 1000,
                    animationDurationUpdate: 10000,
                    startAngle: 0,
                    endAngle: 360,
                    radius: ['50%', '80%'],
                    center: ['40%', '50%'],
                    data: data
                }]
            };
            chart.setOption(option);

            document.getElementById('btn1').addEventListener('click', function () {
                option.series[0].data = data2;
                chart.setOption(option, true);
            });
        });

    </script>


    <script>

        require([
            'echarts'
        ], function (echarts) {


            var chart = echarts.init(document.getElementById('main2'));
            var data = [
                {"name": "a1", "value": 92386},
                {"name": "b1", "value": 90611},
                {"name": "c1", "value": 12596},
                {"name": "d1", "value": 9438},
                {"name": "e1", "value": 10049}
            ];
            var data2 = [
                {"name": "a1", "value": 120},
                {"name": "b1", "value": 200},
                {"name": "c1", "value": 300},
                {"name": "x1", "value": 20},
                {"name": "y1", "value": 30}
            ];

            var option = {
                series: [{
                    type: 'pie',
                    animationType: 'expansion',
                    animationDuration: 1000,
                    animationDurationUpdate: 10000,
                    animationTypeUpdate: 'expansion',
                    startAngle: 0,
                    endAngle: 360,
                    radius: ['50%', '80%'],
                    center: ['40%', '50%'],
                    data: data
                }]
            };
            chart.setOption(option);

            document.getElementById('btn2').addEventListener('click', function () {
                option.series[0].data = data2;
                chart.setOption(option, true);
            });
        });

    </script>


    <script>

        require([
            'echarts'
        ], function (echarts) {
            var chart = echarts.init(document.getElementById('main3'));

            var option = {
                "series": [
                    {
                        "type": "pie",
                        "radius": ["40%", "70%"],
                        "animation": false,
                        "label": {
                            "show": false,
                            "emphasis": {
                                "show": true,
                                "textStyle": {
                                    "fontSize": "50"
                                }
                            }
                        },
                        "data": [
                            {"value": 335, "name": "A"}
                        ]
                    }
                ]
            };
            chart.setOption(option);
        });

    </script>

    <script>

        require([
            'echarts'
        ], function (echarts) {
            var chart = echarts.init(
                document.getElementById('main4'),
                null
            );

            var option = {
                "series": [
                    {
                        name: '访问来源',
                        type: 'pie',
                        selectedMode: 'single',
                        data:[
                            {value:335, name:'直接访问'},
                            {value:310, name:'邮件营销'},
                            {value:234, name:'联盟广告'},
                            {value:1548, name:'搜索引擎'}
                        ],
                        emphasis: {
                            itemStyle: {
                                shadowBlur: 10,
                                shadowOffsetX: 0,
                                shadowColor: 'rgba(0, 0, 0, 0.5)'
                            }
                        }
                    }
                ]
            };
            chart.setOption(option);

            document.getElementById('btn3').addEventListener('click', function () {
                option.series[0].data[0].value =
                    option.series[0].data[0].value === '-'
                    ? 335 : '-';
                chart.setOption(option);
            });
        });

    </script>
</body>

</html>