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to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
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   http://www.apache.org/licenses/LICENSE-2.0

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software distributed under the License is distributed on an
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specific language governing permissions and limitations
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<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1" />
        <script src="lib/esl.js"></script>
        <script src="lib/config.js"></script>
        <script src="lib/jquery.min.js"></script>
        <script src="lib/facePrint.js"></script>
        <script src="lib/testHelper.js"></script>
        <!-- <script src="ut/lib/canteen.js"></script> -->
        <link rel="stylesheet" href="lib/reset.css" />
    </head>
    <body>
        <style>
        </style>


        <div id="main0"></div>


        <div id="main1"></div>


        <div id="main2"></div>


        <div id="main3"></div>


        <div id="main4"></div>


        <div id="main5"></div>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [];
            for (let i = 0; i < 10; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setFullYear(time.getFullYear() + 1);
            }

            option = {
                tooltip: {
                    show: true,
                    trigger: 'axis'
                },
                xAxis: {
                    type: 'time'
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data,
                }
            };

            var chart = testHelper.create(echarts, 'main0', {
                title: [
                    'When min/max data is in year unit',
                    'Expect 2010 and 2019 to be displayed'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [[new Date('2009-09-10 11:00:00'), 20]];
            for (let i = 0; i < 11; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setFullYear(time.getFullYear() + 1);
            }
            data.push([new Date('2020-03-10 11:00:00'), 200])

            option = {
                tooltip: {
                    show: true,
                    trigger: 'axis'
                },
                xAxis: {
                    type: 'time',
                    axisLabel: {
                    }
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data
                }
            };

            var chart = testHelper.create(echarts, 'main1', {
                title: [
                    'When min/max data is not in year unit',
                    'Expect 2009 and 2020 not to be displayed'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [[new Date('2009-09-10 11:00:00'), 20]];
            for (let i = 0; i < 11; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setFullYear(time.getFullYear() + 1);
            }
            data.push([new Date('2020-03-10 11:00:00'), 200])

            option = {
                tooltip: {
                    show: true,
                    trigger: 'axis'
                },
                xAxis: {
                    type: 'time',
                    axisLabel: {
                        showMaxLabel: true,
                        showMinLabel: true,
                        formatter: '{yyyy}'
                    }
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data
                }
            };

            var chart = testHelper.create(echarts, 'main2', {
                title: [
                    'Force show min and max in the above case',
                    'Expect 2009 and 2020 to be displayed'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [];
            for (let i = 0; i < 30; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setMonth(time.getMonth() + 1);
            }
            // data.push([new Date('2020-09-10 11:00:00'), 200])

            option = {
                xAxis: {
                    type: 'time',
                    axisLabel: {
                    }
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data
                }
            };

            var chart = testHelper.create(echarts, 'main3', {
                title: [
                    'Default styles for levels'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [];
            for (let i = 0; i < 30; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setMonth(time.getMonth() + 1);
            }
            // data.push([new Date('2020-09-10 11:00:00'), 200])

            option = {
                xAxis: {
                    type: 'time',
                    axisLabel: {
                        formatter: {
                            year: '{year|{yyyy}}\n{month|{MMM}}',
                            month: '{month|{MMM}}'
                        },
                        rich: {
                            year: {
                                color: '#333',
                                fontWeight: 'bold'
                            },
                            month: {
                                color: '#999'
                            }
                        }
                    }
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data
                }
            };

            var chart = testHelper.create(echarts, 'main4', {
                title: [
                    'Customed styles for levels'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


        <script>
        require(['echarts'/*, 'map/js/china' */], function (echarts) {
            var option;
            // $.getJSON('./data/nutrients.json', function (data) {});

            const time = new Date('2010-01-01 00:00:00');
            const data = [];
            for (let i = 0; i < 30; ++i) {
                data.push([time.getTime(), i * 10 + Math.random() * 100]);
                time.setMonth(time.getMonth() + 1);
            }
            // data.push([new Date('2020-09-10 11:00:00'), 200])

            option = {
                xAxis: {
                    type: 'time',
                    axisLabel: {
                        formatter: function (value) {
                            const date = new Date(value);
                            const yearStart = new Date(value);
                            yearStart.setMonth(0);
                            yearStart.setDate(1);
                            yearStart.setHours(0);
                            yearStart.setMinutes(0);
                            yearStart.setSeconds(0);
                            yearStart.setMilliseconds(0);
                            if (date.getTime() === yearStart.getTime()) {
                                return '{year|' + date.getFullYear() + '}\n'
                                    + '{month|' + (date.getMonth() + 1) + '月}';
                            }
                            else {
                                return '{month|' + (date.getMonth() + 1) + '月}'
                            }
                        },
                        rich: {
                            year: {
                                color: '#333',
                                fontWeight: 'bold'
                            },
                            month: {
                                color: '#999'
                            }
                        }
                    }
                },
                yAxis: {
                    type: 'value'
                },
                series: {
                    type: 'line',
                    data: data
                }
            };

            var chart = testHelper.create(echarts, 'main5', {
                title: [
                    'Callback formatter'
                ],
                option: option
                // height: 300,
                // buttons: [{text: 'btn-txt', onclick: function () {}}],
                // recordCanvas: true,
            });
        });
        </script>


    </body>
</html>