Renders a Sankey flow chart using Chart.js with the chartjs-chart-sankey plugin.
SANKEYCHART — set as ReportType in def_report.
def Render(self, Param1="", Param2="", Param3="") -> str:
No parameters are used. Returns a JavaScript snippet (Chart.js new Chart(ctx, ...) call) configured with hardcoded sample data as a placeholder. Registers chart.min.js and chartjs-chart-sankey.js as required scripts.
a→b, a→c, b→c, d→c). Dynamic data binding is not yet implemented.chart.min.js and chartjs-chart-sankey.js being available in the static script path.