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{
/**
* Creates a pie chart panel.
*
* @name pieChartPanel.new
*
* @param title The title of the pie chart panel.
* @param description (default `''`) Description of the panel
* @param datasource (optional) Datasource
* @param pieType (default `'pie'`) Type of pie chart (one of pie or donut)
*
* @method addTarget(target) Adds a target object.
*/
new(
title,
description='',
datasource=null,
gridPos={},
displayMode='table',
placement='bottom',
showLegend=true,
displayLabels=[],
tooltip={},
pieType='pie',
values=[],
colorMode='auto',
overrides=[],
reduceOptions={},
):: {
type: 'piechart',
[if description != null then 'description']: description,
title: title,
gridPos: gridPos,
datasource: datasource,
options: {
legend: {
calcs: [],
values: values,
displayMode: displayMode,
placement: placement,
showLegend: showLegend,
},
pieType: pieType,
tooltip: tooltip,
displayLabels: displayLabels,
reduceOptions: reduceOptions,
},
fieldConfig: {
defaults: {
color: { mode: colorMode },
mappings: [],
custom: {
hideFrom: {
legend: false,
tooltip: false,
viz: false,
},
},
},
overrides: overrides,
},
targets: [
],
_nextTarget:: 0,
addTarget(target):: self {
// automatically ref id in added targets.
local nextTarget = super._nextTarget,
_nextTarget: nextTarget + 1,
targets+: [target { refId: std.char(std.codepoint('A') + nextTarget) }],
},
addTargets(targets):: std.foldl(function(p, t) p.addTarget(t), targets, self),
},
}
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