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SavvyWolf - MANAGER

Edit File: area_reversed_axis.js

/* ------------------------------------------------------------------------------
 *
 *  # Echarts - Area chart with reversed axis example
 *
 *  Demo JS code for area chart with reversed axis [light theme]
 *
 * ---------------------------------------------------------------------------- */

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

var EchartsAreaReversedAxisLight = function() {

//
    // Setup module components
    //

// Area chart with reversed axis
    var _areaReversedAxisLightExample = function() {
        if (typeof echarts == 'undefined') {
            console.warn('Warning - echarts.min.js is not loaded.');
            return;
        }

// Define element
        var area_reversed_axis_element = document.getElementById('area_reversed_axis');

//
        // Charts configuration
        //

if (area_reversed_axis_element) {

// Initialize chart
            var area_reversed_axis = echarts.init(area_reversed_axis_element);

//
            // Chart config
            //

// Options
            area_reversed_axis.setOption({

// Define colors
                color: ['#2ec7c9','#b6a2de','#5ab1ef','#ffb980','#d87a80'],

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

// Chart animation duration
                animationDuration: 750,

// Setup grid
                grid: {
                    left: 10,
                    right: 40,
                    top: 35,
                    bottom: 0,
                    containLabel: true
                },

// Add legend
                legend: {
                    data: ['Flow', 'Rainfall'],
                    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'
                    },
                    formatter: function(params) {
                        return params[0].name + '<br/>'
                        + params[0].seriesName + ': ' + params[0].value + ' (m^3/s)<br/>'
                        + params[1].seriesName + ': ' + -params[1].value + ' (mm)';
                    }
                },

// Horizontal axis
                xAxis: [{
                    type: 'category',
                    boundaryGap: false,
                    data: ['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
                    axisLabel: {
                        color: '#333'
                    },
                    axisLine: {
                        onZero: false,
                        lineStyle: {
                            color: '#999'
                        }
                    },
                    splitLine: {
                        show: true,
                        lineStyle: {
                            color: '#eee',
                            type: 'dashed'
                        }
                    },
                    splitArea: {
                        show: true,
                        areaStyle: {
                            color: ['rgba(250,250,250,0.1)', 'rgba(0,0,0,0.01)']
                        }
                    }
                }],

// Vertical axis
                yAxis: [
                    {
                        name: 'Flow(m^3/s)',
                        type: 'value',
                        max: 500,
                        axisLabel: {
                            color: '#333'
                        },
                        axisLine: {
                            lineStyle: {
                                color: '#999'
                            }
                        },
                        splitLine: {
                            lineStyle: {
                                color: '#eee'
                            }
                        },
                    },
                    {
                        name: 'Rainfall(mm)',
                        type: 'value',
                        axisLabel: {
                            color: '#333',
                            formatter: function(v) {
                                return - v;
                            }
                        },
                        axisLine: {
                            lineStyle: {
                                color: '#999'
                            }
                        },
                        splitLine: {
                            lineStyle: {
                                color: '#eee'
                            }
                        }
                    }
                ],

// Add series
                series: [
                    {
                        name: 'Flow',
                        type: 'line',
                        areaStyle: {
                            normal: {
                                opacity: 0.25
                            }
                        },
                        smooth: true,
                        symbolSize: 7,
                        itemStyle: {
                            normal: {
                                borderWidth: 2
                            }
                        },
                        data: [100, 200, 240, 180, 90, 200, 130]
                    },
                    {
                        name: 'Rainfall',
                        type: 'line',
                        areaStyle: {
                            normal: {
                                opacity: 0.25
                            }
                        },
                        smooth: true,
                        symbolSize: 7,
                        yAxisIndex: 1,
                        itemStyle: {
                            normal: {
                                borderWidth: 2
                            }
                        },
                        data: (function() {
                            var oriData = [
                                1, 2, 1.5, 7.4, 3.1, 4, 2
                            ];
                            var len = oriData.length;
                            while(len--) {
                                oriData[len] *= -1;
                            }
                            return oriData;
                        })()
                    }
                ]
            });
        }

//
        // Resize charts
        //

// Resize function
        var triggerChartResize = function() {
            area_reversed_axis_element && area_reversed_axis.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() {
            _areaReversedAxisLightExample();
        }
    }
}();

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

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