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Timeline.md

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Timeline

A native timeline graph using D3 based on standard design patterns. Timeline graph is a graph with no Y Axis. This is primarily used to denote an action at a given point of time. It also accepts/supplies a content property which can be used to display non-numeric values which typically cannot be represented using traditional graphs like Line or Paired Result.

Usage

Structure

You will not need all the properties in the example below. Check out optional/required properties explained in the JSON Properties section.

var root = {
    bindTo: "#root",
    axis: {
        x: {
            label: "Datetime",
            lowerLimit: new Date(2016, 0, 1, 1, 0).toISOString(),
            upperLimit: new Date(2016, 0, 1, 15, 59).toISOString()
        }
    },
    showLabel: true,
    showLegend: true
};
var data = {
    key: "uid_1",
    label: {
        display: "Timeline A"
    },
    shape: Carbon.helpers.SHAPES.DARK.RHOMBUS,
    color: Carbon.helpers.COLORS.BLUE,
    onClick: (onCloseCB, key, index, value) => {
        // onCloseCB needs to called by the consumer after popup is closed to deselect data point.
    },
    values: [
        {
            x: new Date(2016, 0, 1, 10, 5).toISOString(),
            content: () => {},
            isCritical: true
        },
        {
            x: new Date(2016, 0, 1, 2, 15).toISOString()
        }
    ]
};
var timelineDefault = Carbon.api.timeline(root);
timelineDefault.loadContent(data);

For loading multiple data-sets, you can load as additional content:

var timelineDefault = Carbon.api.timeline(/* Input JSON */);
timelineDefault.loadContent(/* Data array A */);
timelineDefault.loadContent(/* Data array B */);
timelineDefault.loadContent(/* Data array C */);
timelineDefault.loadContent(/* Data array D */);

JSON Properties

Root

Required

Property Name Expected Description
bindTo string DOM id to bind the graph into
axis object Refer Axis
data array Refer Data. This is not an actual object property rather this is provided as a parameter to loadContent

Optional

Property Name Expected Default Description
bindLegendTo string null If DOM id provided, binds legend into that container (Example: "#legendContainer")
locale object LOCALE.en_US Locale object for X-Axis tick values
throttle number (1000/60) => time in ms Delay between resize of a browser window
showLabel boolean true Toggle to show X axis label
showLegend boolean true Toggle to show graph legend
padding object { top: 10, bottom: 5, left: 30, right: 50 } Refer Padding
pan object {} Refer Panning

Axis

Timeline is marked only on X Axis, there is no other axis supplied. Axis is set to show by default.

Required

Property Name Expected Description
lowerLimit string Upper bound for X axis. This is inclusive
upperLimit string Lower bound for X axis. This is inclusive
label string Axis label value.

Optional

X Axis should have the following properties:

Property Name Expected Default Description
ticks object null Refer Ticks

Data

Required

Property Name Expected Description
key string Unique id which represents the data-set
label object Display value for the data-set which the data points belong to
values Array Values

Optional

Property Name Expected Default Description
color string COLORS.BLACK Color for the data point and line
shape string SHAPES.DARK.CIRCLE Shape for representing the data points
onClick Function undefined Any action that can be performed when clicking on the data point

Values

Required

Property Name Expected Description
x string Co-ordinate X, for plotting the data point (Co-ordinate Y is treated as origin)
content Consumer Defined Not required for processing the graph but required for providing data back to the consumer

Optional

Property Name Expected Default Description
isCritical boolean false Shows an indicator surrounding the point when enabled