graphicutils.java

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        if (y + size.height > screenSize.height)
            y = screenSize.height - size.height;

        if (y < 0)
            y = 0;

        window.setLocation(x, y);
    }

    /**
     * @return returns true if the component of one of its child has the focus
     */
    public static boolean isAncestorOfFocusedComponent(Component c) {
        if (c.hasFocus()) {
            return true;
        } else {
            if (c instanceof Container) {
                Container cont = (Container) c;
                int n = cont.getComponentCount();
                for (int i = 0; i < n; i++) {
                    Component child = cont.getComponent(i);
                    if (isAncestorOfFocusedComponent(child))
                        return true;
                }
            }
        }
        return false;
    }

    /**
     * Returns the first component in the tree of <code>c</code> that can accept
     * the focus.
     *
     * @param c the root of the component hierarchy to search
     * @see #focusComponentOrChild
     * @deprecated replaced by {@link #getFocusableComponentOrChild(Component, boolean)}
     */
    public static Component getFocusableComponentOrChild(Component c) {
        return getFocusableComponentOrChild(c, false);
    }

    /**
     * Returns the first component in the tree of <code>c</code> that can accept
     * the focus.
     *
     * @param c       the root of the component hierarchy to search
     * @param deepest if <code>deepest</code> is true the method will return the first and deepest component that can accept the
     *                focus.  For example, if both a child and its parent are focusable and <code>deepest</code> is true, the child is
     *                returned.
     * @see #focusComponentOrChild
     */
    public static Component getFocusableComponentOrChild(Component c, boolean deepest) {
        if (c != null && c.isEnabled() && c.isVisible()) {
            if (c instanceof Container) {
                Container cont = (Container) c;

                if (deepest == false) { // first one is a good one
                    if (c instanceof JComponent) {
                        JComponent jc = (JComponent) c;
                        if (jc.isRequestFocusEnabled()) {
                            return jc;
                        }
                    }
                }

                int n = cont.getComponentCount();
                for (int i = 0; i < n; i++) {
                    Component child = cont.getComponent(i);
                    Component focused = getFocusableComponentOrChild(child, deepest);
                    if (focused != null) {
                        return focused;
                    }
                }

                if (c instanceof JComponent) {
                    if (deepest == true) {
                        JComponent jc = (JComponent) c;
                        if (jc.isRequestFocusEnabled()) {
                            return jc;
                        }
                    }
                } else {
                    return c;
                }
            }
        }

        return null;
    }

    /**
     * Puts the focus on the first component in the tree of <code>c</code> that
     * can accept the focus.
     *
     * @see #getFocusableComponentOrChild
     */
    public static Component focusComponentOrChild(Component c) {
        return focusComponentOrChild(c, false);
    }

    /**
     * Puts the focus on the first component in the tree of <code>c</code> that
     * can accept the focus.
     *
     * @param c       the root of the component hierarchy to search
     * @param deepest if <code>deepest</code> is true the method will focus the first and deepest component that can
     *                accept the focus.
     *                For example, if both a child and its parent are focusable and <code>deepest</code> is true, the child is focused.
     * @see #getFocusableComponentOrChild
     */
    public static Component focusComponentOrChild(Component c, boolean deepest) {
        final Component focusable = getFocusableComponentOrChild(c, deepest);
        if (focusable != null) {
            focusable.requestFocus();
        }
        return focusable;
    }

    /**
     * Loads an {@link Image} named <code>imageName</code> as a resource
     * relative to the Class <code>cls</code>.  If the <code>Image</code> can
     * not be loaded, then <code>null</code> is returned.  Images loaded here
     * will be added to an internal cache based upon the full {@link URL} to
     * their location.
     * <p/>
     * <em>This method replaces legacy code from JDeveloper 3.x and earlier.</em>
     *
     * @see Class#getResource(String)
     * @see Toolkit#createImage(URL)
     */
    public static Image loadFromResource(String imageName, Class cls) {
        try {
            final URL url = cls.getResource(imageName);

            if (url == null) {
                return null;
            }

            Image image = (Image) imageCache.get(url.toString());

            if (image == null) {
                image = Toolkit.getDefaultToolkit().createImage(url);
                imageCache.put(url.toString(), image);
            }

            return image;
        } catch (Exception e) {
            e.printStackTrace();
        }

        return null;
    }

    public static Rectangle[] getScreenBounds() {
        GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment.getLocalGraphicsEnvironment();
        final GraphicsDevice[] screenDevices = graphicsEnvironment.getScreenDevices();
        Rectangle[] screenBounds = new Rectangle[screenDevices.length];
        for (int i = 0; i < screenDevices.length; i++) {
            GraphicsDevice screenDevice = screenDevices[i];
            final GraphicsConfiguration defaultConfiguration = screenDevice.getDefaultConfiguration();
            screenBounds[i] = defaultConfiguration.getBounds();
        }

        return screenBounds;
    }

    public static final void makeSameSize(JComponent[] comps) {
        if (comps.length == 0) {
            return;
        }

        int max = 0;
        for (int i = 0; i < comps.length; i++) {
            int w = comps[i].getPreferredSize().width;
            max = w > max ? w : max;
        }

        Dimension dim = new Dimension(max, comps[0].getPreferredSize().height);
        for (int i = 0; i < comps.length; i++) {
            comps[i].setPreferredSize(dim);
        }
    }

    /**
     * Return the hexidecimal color from a java.awt.Color
     *
     * @param c
     * @return hexadecimal string
     */
    public static final String toHTMLColor(Color c) {
        int color = c.getRGB();
        color |= 0xff000000;
        String s = Integer.toHexString(color);
        return s.substring(2);
    }

    public static final String createToolTip(String text, int width) {
        final String htmlColor = toHTMLColor(TOOLTIP_COLOR);
        final String toolTip = "<html><table width=" + width + " bgColor=" + htmlColor + "><tr><td><b>" + text + "</b></td></tr></table></table>";
        return toolTip;
    }

    public static final String createToolTip(String text) {
        final String htmlColor = toHTMLColor(TOOLTIP_COLOR);
        final String toolTip = "<html><table  bgColor=" + htmlColor + "><tr><td><b>" + text + "</b></td></tr></table></table>";
        return toolTip;
    }
}