Example usage for com.google.gwt.visualization.client.events StateChangeHandler StateChangeHandler

Introduction

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

Prototype

StateChangeHandler

Source Link

Usage

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

License:Apache License

@SuppressWarnings("deprecation")
public MotionDemo() {

    String protocol = Window.Location.getProtocol();
    if (protocol.startsWith("file")) {
        widget = new HTML("<font color=\"blue\"><i>Note: Protocol is: " + protocol
                + ".  Note that this visualization does not work when loading the HTML from "
                + "a local file. It works only when loading the HTML from a " + "web server. </i></font>");
        return;/*from   www .  j a  v  a 2s.  com*/
    }

    @SuppressWarnings("unused")
    int year, month, day;

    Options options = Options.create();
    options.setHeight(300);
    options.setWidth(600);
    options.setState(STATE_STRING);
    DataTable data = DataTable.create();
    data.addRows(6);
    data.addColumn(ColumnType.STRING, "Fruit");
    data.addColumn(ColumnType.DATE, "Date");
    data.addColumn(ColumnType.NUMBER, "Sales");
    data.addColumn(ColumnType.NUMBER, "Expenses");
    data.addColumn(ColumnType.STRING, "Location");
    data.setValue(0, 0, "Apples");
    data.setValue(0, 2, 1000);
    data.setValue(0, 3, 300);
    data.setValue(0, 4, "East");
    data.setValue(1, 0, "Oranges");
    data.setValue(1, 2, 950);
    data.setValue(1, 3, 200);
    data.setValue(1, 4, "West");
    data.setValue(2, 0, "Bananas");
    data.setValue(2, 2, 300);
    data.setValue(2, 3, 250);
    data.setValue(2, 4, "West");
    data.setValue(3, 0, "Apples");
    data.setValue(3, 2, 1200);
    data.setValue(3, 3, 400);
    data.setValue(3, 4, "East");
    data.setValue(4, 0, "Oranges");
    data.setValue(4, 2, 900);
    data.setValue(4, 3, 150);
    data.setValue(4, 4, "West");
    data.setValue(5, 0, "Bananas");
    data.setValue(5, 2, 788);
    data.setValue(5, 3, 617);
    data.setValue(5, 4, "West");

    try {
        data.setValue(0, 1, new Date(year = 1988 - 1900, month = 0, day = 1));
        data.setValue(1, 1, new Date(year = 1988 - 1900, month = 0, day = 1));
        data.setValue(2, 1, new Date(year = 1988 - 1900, month = 0, day = 1));
        data.setValue(3, 1, new Date(year = 1988 - 1900, month = 1, day = 1));
        data.setValue(4, 1, new Date(year = 1988 - 1900, month = 1, day = 1));
        data.setValue(5, 1, new Date(year = 1988 - 1900, month = 1, day = 1));
    } catch (JavaScriptException ex) {
        GWT.log("Error creating data table - Date bug on mac?", ex);
    }

    final MotionChart motionChart = new MotionChart(data, options);
    motionChart.addStateChangeHandler(new StateChangeHandler() {

        @Override
        public void onStateChange(StateChangeEvent event) {
            String result = motionChart.getState();
            GWT.log(result);
        }
    });

    widget = motionChart;

}

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