class ChartManage {
    constructor() {
        this.charts = [];
    }

    setChart(id, chart) {
        this.charts.push({
           id: id,
           chart: chart
        });
    }

    getChart(id) {
        let chart = false;
        let charts = this.charts;
        for(let i=0; i<charts.length; i++) {
            let _charts = charts[i];
            if(id == _charts.id) {
                chart = _charts.chart;
            }
        }
        return chart;
    }

    delChart(id) {
        let charts = this.charts;
        let index = -1;
        for(let i=0; i<charts.length; i++) {
            let _charts = charts[i];
            if(id == _charts.id) {
                index = i;
            }
        }
        // 剔除指定的位置
        if(index != -1) {
            this.charts.splice(index, 1);
        }
    }
}

export default ChartManage;