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HTML

              
                <main ng-app="app">
    <section class="container" ng-controller="Controller as ctrl">
        <pie-chart portfolio="ctrl.portfolio" chart-title="Portfolio Assets"></pie-chart>
    </section>
</main>
              
            
!

CSS

              
                @import 'nib';
html
body
    height: 100%
    width: 100%
    background: #333
    font-size: 14px

main
.container
    display: flex
    align-items: center
    justify-content: center
    color: white
main
    height: 100%
    width: 100%
.container
    height: 100%
    width: 80%
    
    
$pie-chart = {
    tooltip-height: 4em
}
    
pie-chart
    position: relative
    display: block
    width: 100%
    
    .portfolio-assets-donut-chart-title
        position: absolute
        display: flex
        justify-content: center
        align-items: center
        text-align: center
        
        > h3
            max-width: 130px
            font-weight: normal
            margin: 0
            color: #c7c7c7
    
    .portfolio-assets-donut-chart
        display: flex
        justify-content: center
        height: 300px
        width: 100%
        
    .donut-chart-tooltip
        display: flex
        justify-content: center
        align-items: center
        white-space: normal
        box-sizing: border-box
        min-width: 150px
        background-color: rgba(85,85,85, 0.8)
        color: white
        border-radius: 'calc(%s/2)' % $pie-chart.tooltip-height
        
        > i
            display: inline-flex
            align-items: center
            justify-content: center
            font-style: normal
            height: $pie-chart.tooltip-height
            width: @height
            border-radius: 'calc(%s/2)' % $pie-chart.tooltip-height
            color: white
            margin-right: 10px
            
            .point-percentage
                font-size: 1.5em
        
        .point-name
            display: inline-block
            width: 10em
            padding-right: 1.3em
    
    .portfolio-assets-legend
        display: flex
        flex-wrap: wrap
        list-style: none
        padding: 0
        margin: 0
        
        li
            display: flex
            width: 33.333%
            
            &:nth-child(3n+2)
                justify-content: center
            &:nth-child(3n+3)
                justify-content: flex-end
            &:nth-child(n+4)
                margin-top: 15px
            
            .item-container
                display: inline-flex
                width: 90%
                max-width: 20em
            
        .color-label > i
            display: inline-block
            height: 1em
            width: @height
            margin-right: 20px
                
        .asset-details
            position: relative
            flex: 1
            
            h4
                font-size: 1em
                font-weight: normal
                padding-right: 2.5em
                margin: 0
            h5
                font-size: 1em
                font-weight: normal
                color: #888
                margin: 0
                margin-top: 5px
                
            .percentage
                position: absolute
                top: 0
                right: 0
                font-size: 1em
            
    
              
            
!

JS

              
                class Controller {
    constructor() {
        this.portfolio = {
            id: 123,
            portfolioAssets: [
                {
                    id: 123,
                    name: 'Asset A',
                    symbol: 'AAA',
                    percentage: 10
                },
                {
                    id: 124,
                    name: 'Asset B With a really long name from foreign country: united states',
                    name: 'Asset B with normal name',
                    symbol: 'BBB',
                    percentage: 15
                },
                {
                    id: 125,
                    name: 'Asset C',
                    symbol: 'CCC',
                    percentage: 15
                },
                {
                    id: 126,
                    name: 'Asset D',
                    symbol: 'DDD',
                    percentage: 10
                },
                {
                    id: 127,
                    name: 'Asset E',
                    symbol: 'BBB',
                    percentage: 50
                },
            ]
        };
    }
};

angular.module('app', [])
.factory('highstock', ($window) => {
    const Highcharts = $window.Highcharts;
    // Pie chart has gap bug: https://github.com/highcharts/highcharts/issues/1828
    Highcharts.wrap(Highcharts.seriesTypes.pie.prototype, 'drawPoints', function(proceed) {
        if (this.options.borderColor == null && this.options.borderWidth >= 1) {
            Highcharts.each(this.points, (point) => {
                point.pointAttr['']['stroke-width'] = 1;
                point.pointAttr[''].stroke = point.pointAttr[''].fill;
                point.pointAttr['hover']['stroke-width'] = 1;
                point.pointAttr['hover'].stroke = point.pointAttr['hover'].fill;
                point.pointAttr['select']['stroke-width'] = 1;
                point.pointAttr['select'].stroke = point.pointAttr['select'].fill;
            });
        }
        proceed.apply(this);
    });
    
    return Highcharts;
})
.controller('Controller', Controller)
.directive('pieChart', ($timeout, highstock) => {
    let colors = [
        '#CD5955',
        '#E96D66',
        '#EC876C',
        '#EFA071',
        '#EFB278',
        '#EEC27D',
        '#DEC782',
        '#BCBB87',
        '#99AD8A',
        '#7B9D8A',
        '#5E8D8A',
    ];
    let chartConfig = {
        chart: {
            type: 'pie',
            //renderTo: null,
            height: 300,
            backgroundColor: 'none',
            events: {
                //load: null
            }
        },
        title: {
            style: {display: 'none'}
        },
        subtitle: {
            style: {display: 'none'}
        },
        yAxis: {
            title: {
                text: 'Total percent market share'
            }
        },
        plotOptions: {
            pie: {
                shadow: false,
                center: ['50%', '50%'],
                colors: colors,
                borderWidth: 1,
                borderColor: null,
                stickyTracking: false,
                dataLabels: {
                    enabled: false
                },
                states: {
                    hover: {
                        brightness: 0,
                    }
                },
            }
        },
        tooltip: {
            backgroundColor: '',
            borderWidth: 0,
            useHTML: true,
            formatter() {
                console.log('this is ', this)
                let point = this.point;
                return `
                    <section class="donut-chart-tooltip">
                        <i style="background-color:${point.color}"><span class="point-percentage">${point.y+'%'}</span></i>
                        <span class="point-name" style="color:${point.color}">${point.name}</span>
                    </section>
                `;
            }
        },
        series: [{
            name: 'Assets Percentage',
            data: null, // To be set
            size: '100%',
            innerSize: '60%',
        }],
        exporting: {
            enabled: false
        },
        credits: {
            enabled: false
        },
    };
    
    return {
        restrict: 'AE',
        scope: {
            portfolio: '=',
            chartTitle: '@'
        },
        template: `
                <header class="portfolio-assets-donut-chart-title">
                    <h3 ng-bind="chartTitle"></h3>
                </header>
                <div class="portfolio-assets-donut-chart"></div>
                <ul class="portfolio-assets-legend">
                    <li ng-repeat="asset in portfolio.portfolioAssets">
                        <div class="item-container">
                        <div class="color-label"><i ng-style="{'background-color': getColorByIndex($index)}"></i></div>
                        <div class="asset-details">
                            <span ng-style="{'color': getColorByIndex($index)}" class="percentage" ng-bind="asset.percentage + '%'"></span>
                            <h4 ng-style="{'color': getColorByIndex($index)}" ng-bind="asset.name"></h4>
                            <h5 ng-bind="asset.symbol"><h5>
                        </div>
                        </div>
                    </li>
                </ul>
        `,
        link(scope, elem) {
            const titleElem = elem[0].getElementsByClassName('portfolio-assets-donut-chart-title')[0];
            const chartElem = elem[0].getElementsByClassName('portfolio-assets-donut-chart')[0];
            const portfolio = scope.portfolio;
            
            let chart = null;
            let createChart = () => {
                // Process data
                let data = portfolio.portfolioAssets.map((item) => {
                    return {
                        y: item.percentage,
                        name: item.name
                    };
                });
                
                chartConfig.series[0].data = data;
                
                chart = new highstock.Chart(chartConfig);
            };
            
            scope.getColorByIndex = (i) => {
                let len = colors.length;
                return colors[i % len];
            };
            
            const positionTitle = function() {
                console.log('positioning title', chart);
                console.log('this is ', this)

                Object.assign(titleElem.style, {
                    width: `${this.plotWidth}px`,
                    height: `${this.plotHeight}px`,
                    left: `${this.plotLeft}px`,
                    top: `${this.plotTop}px`,
                });
            };

            //chartConfig.events.load = positionTitle;
            chartConfig.chart.renderTo = chartElem;
            chartConfig.chart.events.load = positionTitle;
            chartConfig.chart.events.redraw = positionTitle;
            createChart();
        }
    };
});
              
            
!
999px

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