Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2011 Peransin Nicolas. All rights reserved.
 * Use is subject to license terms.
 */

import java.awt.Component;
import java.awt.Container;

import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JViewport;
import javax.swing.RootPaneContainer;

public class Main {
    public static final String VIEW_SUFFIX = "?view";

    public static Component getChild(Component parent, String name) {
        parent = getContainer(parent);

        if (parent instanceof JSplitPane) {
            JSplitPane split = (JSplitPane) parent;
            if (JSplitPane.TOP.equals(name)) {
                return split.getTopComponent();
            } else if (JSplitPane.LEFT.equals(name)) {
                return split.getLeftComponent();
            } else if (JSplitPane.RIGHT.equals(name)) {
                return split.getRightComponent();
            } else if (JSplitPane.BOTTOM.equals(name)) {
                return split.getBottomComponent();
            }
        }
        Container cont = (Container) parent;
        for (int i = 0; i < cont.getComponentCount(); i++) {
            Component comp = cont.getComponent(i);
            if (name.equals(comp.getName())) {
                return comp;
            }
        }
        if (name.endsWith(VIEW_SUFFIX)) {
            String subName = name.substring(0, name.length() - VIEW_SUFFIX.length());
            if (subName.isEmpty()) {
                return parent;
            }
            return getContainer(getChild(parent, subName));
        }

        throw new IllegalArgumentException("No component named " + name);
    }

    private static Component getContainer(Component parent) {
        while (true) {
            if (parent instanceof RootPaneContainer) {
                parent = ((RootPaneContainer) parent).getRootPane();
            } else if (parent instanceof JRootPane) {
                parent = ((JRootPane) parent).getContentPane();
            } else if (parent instanceof JScrollPane) {
                parent = ((JScrollPane) parent).getViewport();
            } else if (parent instanceof JViewport) {
                parent = ((JViewport) parent).getView();
            } else {
                return parent;
            }
        }
    }
}