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Showing content from https://dc-js.github.io/dc.js/docs/html/Legend.html below:

dc.js Class: Legend

Legend

autoItemWidth( [autoItemWidth])

Turn automatic width for legend items on or off. If true, itemWidth is ignored. This setting takes into account the gap.

Parameters: Name Type Argument Default Description autoItemWidth Boolean <optional>
false

Source:

• charts/legend.js, line 156

Returns:

Type

Boolean | Legend

gap( [gap])

Set or get gap between legend items.

Parameters: Name Type Argument Default Description gap Number <optional>
5

Source:

• charts/legend.js, line 76

Returns:

Type

Number | Legend

highlightSelected( [highlightSelected])

This can be optionally used to enable highlighting legends for the selections/filters for the chart.

Parameters: Name Type Argument Description highlightSelected String <optional>

Source:

• charts/legend.js, line 90

Returns:

Type

String | dc.legend

horizontal( [horizontal])

Position legend horizontally instead of vertically.

Parameters: Name Type Argument Default Description horizontal Boolean <optional>
false

Source:

• charts/legend.js, line 116

Returns:

Type

Boolean | Legend

itemHeight( [itemHeight])

Set or get legend item height.

Parameters: Name Type Argument Default Description itemHeight Number <optional>
12

Source:

• charts/legend.js, line 103

Returns:

Type

Number | Legend

itemWidth( [itemWidth])

Legend item width for horizontal legend.

Parameters: Name Type Argument Default Description itemWidth Number <optional>
70

Source:

• charts/legend.js, line 142

Returns:

Type

Number | Legend

keyboardAccessible( [keyboardAccessible])

If set, individual legend items will be focusable from keyboard and on pressing Enter or Space will behave as if clicked on.

If svgDescription on the parent chart has not been explicitly set, will also set the default SVG description text to the class constructor name, like BarChart or HeatMap, and make the entire SVG focusable.

Parameters: Name Type Argument Default Description keyboardAccessible Boolean <optional>
false

Source:

• charts/legend.js, line 211

Returns:

Type

Boolean | Legend

legendText( [legendText])

Set or get the legend text function. The legend widget uses this function to render the legend text for each item. If no function is specified the legend widget will display the names associated with each group.

Parameters: Name Type Argument Description legendText function <optional>

Source:

• charts/legend.js, line 180

Returns:

Type

function | Legend

Example

// default legendText
legend.legendText(pluck('name'))

// create numbered legend items
chart.legend(new Legend().legendText(function(d, i) { return i + '. ' + d.name; }))

// create legend displaying group counts
chart.legend(new Legend().legendText(function(d) { return d.name + ': ' d.data; }))

legendWidth( [legendWidth])

Maximum width for horizontal legend.

Parameters: Name Type Argument Default Description legendWidth Number <optional>
500

Source:

• charts/legend.js, line 129

Returns:

Type

Number | Legend

maxItems( [maxItems])

Maximum number of legend items to display

Parameters: Name Type Argument Description maxItems Number <optional>

Source:

• charts/legend.js, line 193

Returns:

Type

Legend

x( [x])

Set or get x coordinate for legend widget.

Parameters: Name Type Argument Default Description x Number <optional>
0

Source:

• charts/legend.js, line 50

Returns:

Type

Number | Legend

y( [y])

Set or get y coordinate for legend widget.

Parameters: Name Type Argument Default Description y Number <optional>
0

Source:

• charts/legend.js, line 63

Returns:

Type

Number | Legend

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