/** * @class Ext.chart.series.Line * @extend Ext.chart.series.Cartesian * @alias series.line * * Creates a Line Chart. A Line Chart is a useful visualization technique to display quantitative information for different * categories or other real values (as opposed to the bar chart), that can show some progression (or regression) in the dataset. * As with all other series, the Line Series must be appended in the *series* Chart array configuration. See the Chart * documentation for more information. * * @example packages=[charts,ext-react] * import React, { Component } from 'react'; * import { ExtReact, Container } from '@sencha/ext-react'; * import { Cartesian } from '@sencha/ext-charts'; * * export default class MyExample extends Component { * * store = new Ext.data.Store({ * fields: ['name', 'data1', 'data2', 'data3'], * data: [ * { name: 'metric one', data1: 14, data2: 19 }, * { name: 'metric two', data1: 16, data2: 7 }, * { name: 'metric three', data1: 11, data2: 25 }, * { name: 'metric four', data1: 6, data2: 4 }, * { name: 'metric five', data1: 36, data2: 12 } * ] * }) * * render() { * return ( * <ExtReact> * <Cartesian * store={this.store} * interactions={['rotate']} * axes={[{ * type: 'numeric', * position: 'left', * fields: ['data1'], * title: { * text: 'Sample Values', * fontSize: 15 * }, * grid: true, * minimum: 0 * }, { * type: 'category', * position: 'bottom', * fields: ['name'], * title: { * text: 'Sample Values', * fontSize: 15 * } * }]} * series={[{ * type: 'line', * style: { * stroke: '#30BDA7', * lineWidth: 2 * }, * xField: 'name', * yField: 'data1', * marker: { * type: 'path', * path: ['M', - 4, 0, 0, 4, 4, 0, 0, - 4, 'Z'], * stroke: '#30BDA7', * lineWidth: 2, * fill: 'white' * } * }, { * type: 'line', * fill: true, * style: { * fill: '#96D4C6', * fillOpacity: .6, * stroke: '#0A3F50', * strokeOpacity: .6, * }, * xField: 'name', * yField: 'data2', * marker: { * type: 'circle', * radius: 4, * lineWidth: 2, * fill: 'white' * } * }]} * /> * </ExtReact> * ) * } * } */ /** * @cfg {Number} [selectionTolerance=20] * The offset distance from the cursor position to the line series to trigger * events (then used for highlighting series, etc). * @accessor */ /** * @cfg {Object} style * An object containing styles for the visualization lines. These styles will override the theme styles. * Some options contained within the style object will are described next. * @accessor */ /** * @cfg {Boolean} [smooth=false] * `true` if the series' line should be smoothed. * Line smoothing only works with gap-less data. * @accessor */ /** * @cfg {Boolean} [step=false] * If set to `true`, the line uses steps instead of straight lines to connect the dots. * It is ignored if `smooth` is true. * @accessor */ /** * @cfg {"gap"/"connect"/"origin"} [nullStyle="gap"] * Possible values: * 'gap' - null points are rendered as gaps. * 'connect' - non-null points are connected across null points, so that * there is no gap, unless null points are at the beginning/end of the line. * Only the visible data points are connected - if a visible data point * is followed by a series of null points that go off screen and eventually * terminate with a non-null point, the connection won't be made. * 'origin' - null data points are rendered at the origin, * which is the y-coordinate of a point where the x and y axes meet. * This requires that at least the x-coordinate of a point is a valid value. * @accessor */ /** * @cfg {Boolean} [fill=undefined] * If set to `true`, the area underneath the line is filled with the color defined as follows, listed by priority: * - The color that is configured for this series ({@link Ext.chart.series.Series#colors}). * - The color that is configured for this chart ({@link Ext.chart.AbstractChart#colors}). * - The fill color that is set in the {@link #style} prop. * - The stroke color that is set in the {@link #style} prop, or the same color as the line. * * Note: Do not confuse `series.config.fill` (which is a boolean) with `series.style.fill' (which is an alias * for the `fillStyle` property and contains a color). For compatibility with previous versions of the API, * if `config.fill` is undefined but a `style.fill' color is provided, `config.fill` is considered true. * So the default value below must be undefined, not false. * @accessor */