Example usage for com.google.gwt.visualization.client DataTable getValueDouble

Introduction

In this page you can find the example usage for com.google.gwt.visualization.client DataTable getValueDouble.

Prototype

public final native double getValueDouble(int rowIndex, int columnIndex) ;

Source Link

Usage

From source file:com.google.speedtracer.latencydashboard.client.RightPieChart.java

License:Apache License

public void draw(DataTable data, Options options) {
    if (options == null) {
        options = createOptions();//from ww w .ja va  2s . c o m
    }

    // If a datapoint is 0, then it won't consume a color which causes the chart
    // and the legend to get out of sync, so we need to remove the corresponding
    // color before drawing.
    int numRemoved = 0;
    for (int i = 0, n = data.getNumberOfRows(); i < n; i++) {
        if (data.getValueDouble(i, 1) == 0) {
            legendColors.remove(i - numRemoved++);
        }
    }
    String[] colors = new String[legendColors.size()];
    options.setColors(legendColors.toArray(colors));
    pieChart.draw(data, options);
}

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