Example usage for java.awt.event HierarchyEvent getSource

Introduction

In this page you can find the example usage for java.awt.event HierarchyEvent getSource.

Prototype

public Object getSource() 

Source Link

Document

The object on which the Event initially occurred.

Usage

From source file:JSplitPaneVerticalSetTopBottom.java

public static void main(String[] a) {
    JFrame horizontalFrame = new JFrame();
    horizontalFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JComponent topButton = new JButton("Left");
    JComponent bottomButton = new JButton("Right");
    final JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);

    HierarchyListener hierarchyListener = new HierarchyListener() {
        public void hierarchyChanged(HierarchyEvent e) {
            long flags = e.getChangeFlags();
            System.out.println(e.getSource());
            if ((flags & HierarchyEvent.SHOWING_CHANGED) == HierarchyEvent.SHOWING_CHANGED) {
                splitPane.setDividerLocation(.75);
            }/*  ww w.j a  v a  2 s  .  c  o  m*/
        }
    };
    splitPane.addHierarchyListener(hierarchyListener);

    splitPane.setTopComponent(topButton);
    splitPane.setBottomComponent(bottomButton);

    horizontalFrame.add(splitPane, BorderLayout.CENTER);
    horizontalFrame.setSize(150, 150);
    horizontalFrame.setVisible(true);

}

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