PacemPieChartElement
is a handy webcomponent that renders pie and doughnut charts, it all depends on the bindable cutout
property.
Its PacemPieSliceElement
children define the slices of the chart.
The child-slices of a pie-chart can be easily changed by exploiting a PacemRepeaterElement
. Everytime a change occurs (number of slices, single slice value, ...)
a draw task gets generated for the whole chart.
The following live example sums up what can be done with a pie-chart webcomponent.
[ {"label": "item 1", "color": "success", "value": 2}, {"label": "item 2", "color": "warning", "value": 1.5}, {"label": "item 3", "color": "primary", "value": 1.625}, {"label": "item 4", "color": "error", "value": 0.75} ]
Preconfigured coloring can be applied either to the whole chart (results in gradient coloring) or per-single slice.
Involved css classes are, respectively, chart-<color>
and slice-<color>
.
Declarative listeners can be added to the single slices in order to intercept click
, mouseover
, touchstart
, mouseout
, ... events.
In the following example, tooltip capabilities are added by intercepting slices' mouseenter
and chart's mouseleave
events.
[ {"label": "item 1", "value": 2}, {"label": "item 2", "value": 1.5}, {"label": "item 3", "value": 1.625}, {"label": "item 4", "value": 0.75}, {"label": "item 5", "value": 1.75}, {"label": "item 6", "value": 4.275}, {"label": "item 7", "value": 0.7}, {"label": "item 8", "value": 2.15}, {"label": "item 9", "value": 1.333} ]
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