tech.tablesaw.plotly.api.BarPlot Maven / Gradle / Ivy

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package tech.tablesaw.plotly.api;

import tech.tablesaw.api.Table;
import tech.tablesaw.plotly.components.Figure;
import tech.tablesaw.plotly.components.Layout;
import tech.tablesaw.plotly.traces.BarTrace;
import tech.tablesaw.plotly.traces.BarTrace.Orientation;
import tech.tablesaw.plotly.traces.Trace;

class BarPlot {

  protected static final int HEIGHT = 700;
  protected static final int WIDTH = 900;

  protected static Figure create(
      Orientation orientation,
      String title,
      Table table,
      String groupColName,
      String numberColName) {

    Layout layout = standardLayout(title).build();

    BarTrace trace =
        BarTrace.builder(table.categoricalColumn(groupColName), table.numberColumn(numberColName))
            .orientation(orientation)
            .build();
    return new Figure(layout, trace);
  }

  protected static Figure create(
      Orientation orientation,
      String title,
      Table table,
      String groupColName,
      Layout.BarMode barMode,
      String... numberColNames) {

    Layout layout = standardLayout(title).barMode(barMode).showLegend(true).build();

    Trace[] traces = new Trace[numberColNames.length];
    for (int i = 0; i < numberColNames.length; i++) {
      String name = numberColNames[i];
      BarTrace trace =
          BarTrace.builder(table.categoricalColumn(groupColName), table.numberColumn(name))
              .orientation(orientation)
              .showLegend(true)
              .name(name)
              .build();
      traces[i] = trace;
    }
    return new Figure(layout, traces);
  }

  private static Layout.LayoutBuilder standardLayout(String title) {
    return Layout.builder().title(title).height(HEIGHT).width(WIDTH);
  }
}