<template>
    <div>
        <JqxChart ref="myChart" style="width: 850px; height: 500px"
                  :title="'Fitness & exercise weekly scorecard'"
                  :description="'Time spent in vigorous exercise'"
                  :showLegend="true" :enableAnimations="false" :padding="padding"
                  :titlePadding="titlePadding" :source="sampleData" :xAxis="xAxis"
                  :seriesGroups="seriesGroups" :colorScheme="'scheme01'">
        </JqxChart>

        <br />
        Themes:

        <JqxDropDownList ref="myList" :width="180" :height="28"
                         @change="myDropDownListOnChange()" :selectedIndex="0" :itemHeight="35"
                         :selectionRenderer="selectionTemplate" :renderer="itemTemplate"
                         :source="schemes" :displayMember="'name'">
        </JqxDropDownList>
    </div>
</template>

<script>
    import JqxChart from "jqwidgets-scripts/jqwidgets-vue/vue_jqxchart.vue";
    import JqxDropDownList from "jqwidgets-scripts/jqwidgets-vue/vue_jqxdropdownlist.vue";

    export default {
        components: {
            JqxChart,
            JqxDropDownList
        },
        data: function () {
            return {
                sampleData: [
                    { Day: 'Monday', Keith: 30, Erica: 15, George: 25, Monica: 20, Maria: 15 },
                    { Day: 'Tuesday', Keith: 25, Erica: 25, George: 30, Monica: 25, Maria: 20 },
                    { Day: 'Wednesday', Keith: 30, Erica: 20, George: 25, Monica: 10, Maria: 20 },
                    { Day: 'Thursday', Keith: 35, Erica: 25, George: 45, Monica: 30, Maria: 30 },
                    { Day: 'Friday', Keith: 20, Erica: 20, George: 25, Monica: 45, Maria: 30 },
                    { Day: 'Saturday', Keith: 30, Erica: 20, George: 30, Monica: 60, Maria: 40 },
                    { Day: 'Sunday', Keith: 60, Erica: 45, George: 90, Monica: 70, Maria: 50 }
                ],
                schemes: [
                    { name: 'scheme01', colors: ['#307DD7', '#AA4643', '#89A54E', '#71588F', '#4198AF'] },
                    { name: 'scheme02', colors: ['#7FD13B', '#EA157A', '#FEB80A', '#00ADDC', '#738AC8'] },
                    { name: 'scheme03', colors: ['#E8601A', '#FF9639', '#F5BD6A', '#599994', '#115D6E'] },
                    { name: 'scheme04', colors: ['#D02841', '#FF7C41', '#FFC051', '#5B5F4D', '#364651'] },
                    { name: 'scheme05', colors: ['#25A0DA', '#309B46', '#8EBC00', '#FF7515', '#FFAE00'] },
                    { name: 'scheme06', colors: ['#0A3A4A', '#196674', '#33A6B2', '#9AC836', '#D0E64B'] },
                    { name: 'scheme07', colors: ['#CC6B32', '#FFAB48', '#FFE7AD', '#A7C9AE', '#888A63'] },
                    { name: 'scheme08', colors: ['#3F3943', '#01A2A6', '#29D9C2', '#BDF271', '#FFFFA6'] },
                    { name: 'scheme09', colors: ['#1B2B32', '#37646F', '#A3ABAF', '#E1E7E8', '#B22E2F'] },
                    { name: 'scheme10', colors: ['#5A4B53', '#9C3C58', '#DE2B5B', '#D86A41', '#D2A825'] },
                    { name: 'scheme11', colors: ['#993144', '#FFA257', '#CCA56A', '#ADA072', '#949681'] },
                    { name: 'scheme12', colors: ['#105B63', '#EEEAC5', '#FFD34E', '#DB9E36', '#BD4932'] },
                    { name: 'scheme13', colors: ['#BBEBBC', '#F0EE94', '#F5C465', '#FA7642', '#FF1E54'] },
                    { name: 'scheme14', colors: ['#60573E', '#F2EEAC', '#BFA575', '#A63841', '#BFB8A3'] },
                    { name: 'scheme15', colors: ['#444546', '#FFBB6E', '#F28D00', '#D94F00', '#7F203B'] },
                    { name: 'scheme16', colors: ['#583C39', '#674E49', '#948658', '#F0E99A', '#564E49'] },
                    { name: 'scheme17', colors: ['#142D58', '#447F6E', '#E1B65B', '#C8782A', '#9E3E17'] },
                    { name: 'scheme18', colors: ['#4D2B1F', '#635D61', '#7992A2', '#97BFD5', '#BFDCF5'] },
                    { name: 'scheme19', colors: ['#844341', '#D5CC92', '#BBA146', '#897B26', '#55591C'] },
                    { name: 'scheme20', colors: ['#56626B', '#6C9380', '#C0CA55', '#F07C6C', '#AD5472'] },
                    { name: 'scheme21', colors: ['#96003A', '#FF7347', '#FFBC7B', '#FF4154', '#642223'] },
                    { name: 'scheme22', colors: ['#5D7359', '#E0D697', '#D6AA5C', '#8C5430', '#661C0E'] },
                    { name: 'scheme23', colors: ['#16193B', '#35478C', '#4E7AC7', '#7FB2F0', '#ADD5F7'] },
                    { name: 'scheme24', colors: ['#7B1A25', '#BF5322', '#9DA860', '#CEA457', '#B67818'] },
                    { name: 'scheme25', colors: ['#0081DA', '#3AAFFF', '#99C900', '#FFEB3D', '#309B46'] },
                    { name: 'scheme26', colors: ['#0069A5', '#0098EE', '#7BD2F6', '#FFB800', '#FF6800'] },
                    { name: 'scheme27', colors: ['#FF6800', '#A0A700', '#FF8D00', '#678900', '#0069A5'] }
                ],
                padding: { left: 5, top: 5, right: 5, bottom: 5 },
                titlePadding: { left: 90, top: 0, right: 0, bottom: 10 },
                xAxis: {
                    dataField: 'Day',
                    showGridLines: true
                },
                seriesGroups: [
                    {
                        type: 'column',
                        columnsGapPercent: 50,
                        seriesGapPercent: 0,
                        valueAxis:
                            {
                                unitInterval: 10,
                                minValue: 0,
                                maxValue: 100,
                                displayValueAxis: true,
                                description: 'Time in minutes',
                                axisSize: 'auto',
                                tickMarksColor: '#888888'
                            },
                        series: [
                            { dataField: 'Keith', displayText: 'Keith' },
                            { dataField: 'Erica', displayText: 'Erica' },
                            { dataField: 'George', displayText: 'George' },
                            { dataField: 'Monica', displayText: 'Monica' },
                            { dataField: 'Maria', displayText: 'Maria' }
                        ]
                    }
                ]
            }
        },
        methods: {
            itemTemplate: function (index) {
                if (index == -1) return '';
                let colors = this.schemes[index].colors;
                let html = '';
                for (let i = 0; i < colors.length; i++) {
                    html += '<div style="float: left; border-radius: 100%; width: 25px; height: 25px; border: none; background:' + colors[i] + '; margin-left: 4px;"></div>';
                }
                return html;
            },
            selectionTemplate: function (element, index) {
                if (index < 0)
                    return;
                let colors = this.schemes[index].colors;
                let html = '';
                for (let i = 0; i < colors.length; i++) {
                    html += '<div style="margin-top: 2px; float: left; border-radius: 100%; width: 25px; height: 25px; border: none; background:' + colors[i] + '; margin-left: 4px;"></div>';
                }
                return html;
            },
            myDropDownListOnChange: function () {
                let selectedIndex = this.$refs.myList.selectedIndex;
                this.$refs.myChart.colorScheme = this.schemes[selectedIndex].name;
            }
        }
    };
</script>

<style>
</style>