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Dear PBI Community,
at the moment, we are facing a problem with the PBI Tooltips.
We followed these instructions, but cant get them to work: https://docs.microsoft.com/en-us/power-bi/developer/visuals/utils-tooltip
Am I wrong, or are there some inconsistencies with the example code?
Here is our not working try on the instruction:
import "./../style/visual.less";
import powerbiVisualsApi from "powerbi-visuals-api";
import "regenerator-runtime/runtime";
import powerbi = powerbiVisualsApi;
type Selection<T1, T2 = T1> = d3.Selection<any, T1, any, T2>;
import IVisual = powerbi.extensibility.IVisual;
import IVisualHost = powerbi.extensibility.visual.IVisualHost;
import VisualUpdateOptions = powerbi.extensibility.visual.VisualUpdateOptions;
import VisualConstructorOptions = powerbi.extensibility.visual.VisualConstructorOptions;
import {createTooltipServiceWrapper, ITooltipServiceWrapper, TooltipEventArgs, TooltipEnabledDataPoint } from "powerbi-visuals-utils-tooltiputils";
import * as d3 from "d3";
export class Visual implements IVisual {
private tooltipServiceWrapper: ITooltipServiceWrapper;
private host: IVisualHost;
private svg: Selection<any>;
constructor(options: VisualConstructorOptions) {
this.host = options.host;
this.svg = d3.select(options.element)
.append('svg');
}
public update(options: VisualUpdateOptions) {
this.svg.attr("width", options.viewport.width);
this.svg.attr("height", options.viewport.height);
this.svg
.append("rect")
.attr("fill", "green")
.attr("width", "150")
.attr("height", "150")
.attr("x", 100)
.attr("y", 100)
.classed("visual", true)
.data([{
tooltipInfo: [{
displayName: "Power BI",
value: 2016
}]
}]);
this.tooltipServiceWrapper = createTooltipServiceWrapper(this.host.tooltipService, this.svg.node() as Element); // tooltipService is from the IVisualHost.
this.tooltipServiceWrapper.addTooltip(
this.svg,
(tooltipEvent: TooltipEventArgs<TooltipEnabledDataPoint>) => {
return tooltipEvent.data.tooltipInfo;
});
}
}
Where is the problem with this code?
Thanks in advance!
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