set Divider Location for JSplitPane - Java Swing

Java examples for Swing:JSplitPane

  1. HOME
  2. Java
  3. Swing
  4. JSplitPane

Description

set Divider Location for JSplitPane

Demo Code


//package com.java2s;
import javax.swing.*;

import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;

public class Main {
    public static JSplitPane setDividerLocation(final JSplitPane splitter,
            final double proportion) {
        if (splitter.isShowing()) {
            if (splitter.getWidth() > 0 && splitter.getHeight() > 0) {
                splitter.setDividerLocation(proportion);
            } else {
                splitter.addComponentListener(new ComponentAdapter() {
                    @Override/*from   w w  w.  j ava  2 s  .  co m*/
                    public void componentResized(ComponentEvent ce) {
                        splitter.removeComponentListener(this);
                        setDividerLocation(splitter, proportion);
                    }
                });
            }
        } else {
            splitter.addHierarchyListener(new HierarchyListener() {
                @Override
                public void hierarchyChanged(HierarchyEvent e) {
                    if ((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) != 0
                            && splitter.isShowing()) {
                        splitter.removeHierarchyListener(this);
                        setDividerLocation(splitter, proportion);
                    }
                }
            });
        }
        return splitter;
    }
}

Related Tutorials