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

Introduction

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

Prototype

private native int addColumn(String type) ;

Source Link

Usage

From source file:com.google.gwt.visualization.sample.visualizationshowcase.client.ImageDemo.java

License:Apache License

public ImageDemo() {
    ImageChart.Options options = ImageChart.Options.create();

    options.set("cht", "rs");
    options.set("chco", "00ff00,ff00ff");
    options.set("chg", "25.0,25.0,4.0,4.0");
    options.set("chm", "B,FF000080,0,1.0,5.0|B,FF990080,1,1.0,5.0");
    options.set("chls", "2,1,0|2,5,5");

    DataTable dataTable = DataTable.create();
    dataTable.addColumn(ColumnType.STRING);
    dataTable.addColumn(ColumnType.NUMBER);
    dataTable.addColumn(ColumnType.NUMBER);
    dataTable.addRows(8);//  w w  w . java 2 s  .com

    char pi = '\u03C0';
    dataTable.setValue(0, 0, "0");
    dataTable.setValue(1, 0, pi + "/4");
    dataTable.setValue(2, 0, pi + "/2");
    dataTable.setValue(3, 0, "3" + pi + "/4");
    dataTable.setValue(4, 0, "" + pi);
    dataTable.setValue(5, 0, "5" + pi + "/4");
    dataTable.setValue(6, 0, "3" + pi + "/2");
    dataTable.setValue(7, 0, "7" + pi + "/4");

    dataTable.setValue(0, 1, 10);
    dataTable.setValue(1, 1, 20);
    dataTable.setValue(2, 1, 30);
    dataTable.setValue(3, 1, 40);
    dataTable.setValue(4, 1, 50);
    dataTable.setValue(5, 1, 60);
    dataTable.setValue(6, 1, 70);
    dataTable.setValue(7, 1, 80);

    dataTable.setValue(0, 2, 100);
    dataTable.setValue(1, 2, 80);
    dataTable.setValue(2, 2, 60);
    dataTable.setValue(3, 2, 30);
    dataTable.setValue(4, 2, 25);
    dataTable.setValue(5, 2, 20);
    dataTable.setValue(6, 2, 10);
    dataTable.setValue(7, 2, 5);

    widget = new ImageChart(dataTable, options);
}

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