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Edit File: lines_point_values.js

/* ------------------------------------------------------------------------------
 *
 *  # Echarts - Display point values example
 *
 *  Demo JS code for line chart with point values [light theme]
 *
 * ---------------------------------------------------------------------------- */

// Setup module
// ------------------------------

var EchartsLinesPointValuesLight = function() {

//
    // Setup module components
    //

// Line chart with point values
    var _linesPointValuesLightExample = function() {
        if (typeof echarts == 'undefined') {
            console.warn('Warning - echarts.min.js is not loaded.');
            return;
        }

// Define element
        var line_values_element = document.getElementById('line_values');

//
        // Charts configuration
        //

if (line_values_element) {

// Initialize chart
            var line_values = echarts.init(line_values_element);

//
            // Chart config
            //

// Options
            line_values.setOption({

// Define colors
                color: ['#49C1B6', '#EA007B'],

// Global text styles
                textStyle: {
                    fontFamily: 'Roboto, Arial, Verdana, sans-serif',
                    fontSize: 13
                },

// Chart animation duration
                animationDuration: 750,

// Setup grid
                grid: {
                    left: 0,
                    right: 40,
                    top: 35,
                    bottom: 0,
                    containLabel: true
                },

// Add legend
                legend: {
                    data: ['Maximum', 'Minimum'],
                    itemHeight: 8,
                    itemGap: 20
                },

// Add tooltip
                tooltip: {
                    trigger: 'axis',
                    backgroundColor: 'rgba(0,0,0,0.75)',
                    padding: [10, 15],
                    textStyle: {
                        fontSize: 13,
                        fontFamily: 'Roboto, sans-serif'
                    }
                },

// Horizontal axis
                xAxis: [{
                    type: 'category',
                    boundaryGap: false,
                    data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
                    axisLabel: {
                        color: '#333'
                    },
                    axisLine: {
                        lineStyle: {
                            color: '#999'
                        }
                    },
                    splitLine: {
                        lineStyle: {
                            color: ['#eee']
                        }
                    }
                }],

// Vertical axis
                yAxis: [{
                    type: 'value',
                    axisLabel: {
                        formatter: '{value} °C',
                        color: '#333'
                    },
                    axisLine: {
                        lineStyle: {
                            color: '#999'
                        }
                    },
                    splitLine: {
                        lineStyle: {
                            color: ['#eee']
                        }
                    },
                    splitArea: {
                        show: true,
                        areaStyle: {
                            color: ['rgba(250,250,250,0.1)', 'rgba(0,0,0,0.01)']
                        }
                    }
                }],

// Add series
                series: [
                    {
                        name: 'Maximum',
                        type: 'line',
                        data: [2, 37, 9, 32, -5, 10, 28],
                        smooth: true,
                        symbolSize: 7,
                        label: {
                            normal: {
                                show: true
                            } 
                        },
                        itemStyle: {
                            normal: {
                                borderWidth: 2
                            }
                        }
                    },
                    {
                        name: 'Minimum',
                        type: 'line',
                        data: [10, -12, 28, -8, 30, 22, 9],
                        smooth: true,
                        symbolSize: 7,
                        label: {
                            normal: {
                                show: true
                            } 
                        },
                        itemStyle: {
                            normal: {
                                borderWidth: 2
                            }
                        }
                    }
                ]
            });
        }

//
        // Resize charts
        //

// Resize function
        var triggerChartResize = function() {
            line_values_element && line_values.resize();
        };

// On sidebar width change
        var sidebarToggle = document.querySelector('.sidebar-control');
        sidebarToggle && sidebarToggle.addEventListener('click', triggerChartResize);

// On window resize
        var resizeCharts;
        window.addEventListener('resize', function() {
            clearTimeout(resizeCharts);
            resizeCharts = setTimeout(function () {
                triggerChartResize();
            }, 200);
        });
    };

//
    // Return objects assigned to module
    //

return {
        init: function() {
            _linesPointValuesLightExample();
        }
    }
}();

// Initialize module
// ------------------------------

document.addEventListener('DOMContentLoaded', function() {
    EchartsLinesPointValuesLight.init();
});