Example usage for com.google.gwt.gen2.selection.client DropDownListBox DropDownListBox

Introduction

In this page you can find the example usage for com.google.gwt.gen2.selection.client DropDownListBox DropDownListBox.

Prototype

public DropDownListBox() 

Source Link

Document

Default constructor.

Usage

From source file:com.google.gwt.gen2.demo.logging.client.LoggingDemo.java

License:Apache License

private void addLevelControls(final FlexTable control) {
    final TextBox box = new TextBox();
    box.setText("message 0");
    VerticalPanel loggingMessage = new VerticalPanel();
    loggingMessage.add(new Label("Message to log"));
    loggingMessage.add(box);/*w  w  w. j a  v  a  2s .c o m*/
    control.setWidget(0, 1, loggingMessage);
    Iterator<Level> levels = Log.levelIterator();
    final DropDownListBox<Level> levelList = new DropDownListBox<Level>();

    while (levels.hasNext()) {
        final Level level = levels.next();
        if (level != Level.ALL || level != Level.OFF) {
            levelList.addItem(level.getName(), level, "logging level " + level.getName().toLowerCase(),
                    "use <b> " + level.getName().toLowerCase() + "</b> level");
        }
    }
    control.setWidget(0, 2, levelList);
    levelList.setValue(Level.INFO);

    Button log = new Button("Log message", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user", null);
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 3, log);

    Button error = new Button("Log error", new ClickListener() {
        public void onClick(Widget sender) {

            Log.log(box.getText(), levelList.getValue(), "user.error", new NullPointerException());
            box.setText("message " + messageNumber++);
        }
    });

    control.setWidget(0, 4, error);
}

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