/** This draws the "Flush 3D Border" which is used throughout the Metal L&F */
static void drawFlush3DBorder(Graphics g, int x, int y, int w, int h) {
g.translate(x, y);
g.setColor(MetalLookAndFeel.getControlDarkShadow());
g.drawRect(0, 0, w - 2, h - 2);
g.setColor(MetalLookAndFeel.getControlHighlight());
g.drawRect(1, 1, w - 2, h - 2);
g.setColor(MetalLookAndFeel.getControl());
g.drawLine(0, h - 1, 1, h - 2);
g.drawLine(w - 1, 0, w - 2, 1);
g.translate(-x, -y);
}
static void drawDefaultButtonPressedBorder(Graphics g, int x, int y, int w, int h) {
drawPressed3DBorder(g, x + 1, y + 1, w - 1, h - 1);
g.translate(x, y);
g.setColor(MetalLookAndFeel.getControlDarkShadow());
g.drawRect(0, 0, w - 3, h - 3);
g.drawLine(w - 2, 0, w - 2, 0);
g.drawLine(0, h - 2, 0, h - 2);
g.setColor(MetalLookAndFeel.getControl());
g.drawLine(w - 1, 0, w - 1, 0);
g.drawLine(0, h - 1, 0, h - 1);
g.translate(-x, -y);
}
/**
* This draws a variant "Flush 3D Border" It is used for things like active toggle buttons. This
* is used rarely.
*/
static void drawDark3DBorder(Graphics g, int x, int y, int w, int h) {
g.translate(x, y);
drawFlush3DBorder(g, 0, 0, w, h);
g.setColor(MetalLookAndFeel.getControl());
g.drawLine(1, 1, 1, h - 2);
g.drawLine(1, 1, w - 2, 1);
g.setColor(MetalLookAndFeel.getControlShadow());
g.drawLine(1, h - 2, 1, h - 2);
g.drawLine(w - 2, 1, w - 2, 1);
g.translate(-x, -y);
}
public void paintBorder(Component c, Graphics g, int x, int y, int w, int h) {
g.translate(x, y);
if (MetalLookAndFeel.usingOcean()) {
g.setColor(MetalLookAndFeel.getControlDarkShadow());
g.drawRect(0, 0, w, h - 1);
g.setColor(MetalLookAndFeel.getControlShadow());
g.drawRect(1, 1, w - 2, h - 3);
} else {
g.setColor(MetalLookAndFeel.getControlDarkShadow());
g.drawLine(0, 0, w - 1, 0);
g.drawLine(0, 0, 0, h - 2);
g.drawLine(0, h - 2, w - 1, h - 2);
g.setColor(MetalLookAndFeel.getControlHighlight());
g.drawLine(1, 1, w - 1, 1);
g.drawLine(1, 1, 1, h - 1);
g.drawLine(1, h - 1, w - 1, h - 1);
g.setColor(MetalLookAndFeel.getControl());
g.drawLine(1, h - 2, 1, h - 2);
}
g.translate(-x, -y);
}
/**
* Class that manages a JLF title bar
*
* @author Steve Wilson
* @author Brian Beck
* @since 1.3
*/
public class MetalInternalFrameTitlePane extends BasicInternalFrameTitlePane {
protected boolean isPalette = false;
protected Icon paletteCloseIcon;
protected int paletteTitleHeight;
private static final Border handyEmptyBorder = new EmptyBorder(0, 0, 0, 0);
/**
* Key used to lookup Color from UIManager. If this is null, <code>getWindowTitleBackground</code>
* is used.
*/
private String selectedBackgroundKey;
/**
* Key used to lookup Color from UIManager. If this is null, <code>getWindowTitleForeground</code>
* is used.
*/
private String selectedForegroundKey;
/**
* Key used to lookup shadow color from UIManager. If this is null, <code>
* getPrimaryControlDarkShadow</code> is used.
*/
private String selectedShadowKey;
/**
* Boolean indicating the state of the <code>JInternalFrame</code>s closable property at <code>
* updateUI</code> time.
*/
private boolean wasClosable;
int buttonsWidth = 0;
MetalBumps activeBumps =
new MetalBumps(
0,
0,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
(UIManager.get("InternalFrame.activeTitleGradient") != null)
? null
: MetalLookAndFeel.getPrimaryControl());
MetalBumps inactiveBumps =
new MetalBumps(
0,
0,
MetalLookAndFeel.getControlHighlight(),
MetalLookAndFeel.getControlDarkShadow(),
(UIManager.get("InternalFrame.inactiveTitleGradient") != null)
? null
: MetalLookAndFeel.getControl());
MetalBumps paletteBumps;
private Color activeBumpsHighlight = MetalLookAndFeel.getPrimaryControlHighlight();
private Color activeBumpsShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
public MetalInternalFrameTitlePane(JInternalFrame f) {
super(f);
}
public void addNotify() {
super.addNotify();
// This is done here instead of in installDefaults as I was worried
// that the BasicInternalFrameUI might not be fully initialized, and
// that if this resets the closable state the BasicInternalFrameUI
// Listeners that get notified might be in an odd/uninitialized state.
updateOptionPaneState();
}
protected void installDefaults() {
super.installDefaults();
setFont(UIManager.getFont("InternalFrame.titleFont"));
paletteTitleHeight = UIManager.getInt("InternalFrame.paletteTitleHeight");
paletteCloseIcon = UIManager.getIcon("InternalFrame.paletteCloseIcon");
wasClosable = frame.isClosable();
selectedForegroundKey = selectedBackgroundKey = null;
if (MetalLookAndFeel.usingOcean()) {
setOpaque(true);
}
}
protected void uninstallDefaults() {
super.uninstallDefaults();
if (wasClosable != frame.isClosable()) {
frame.setClosable(wasClosable);
}
}
protected void createButtons() {
super.createButtons();
Boolean paintActive = frame.isSelected() ? Boolean.TRUE : Boolean.FALSE;
iconButton.putClientProperty("paintActive", paintActive);
iconButton.setBorder(handyEmptyBorder);
maxButton.putClientProperty("paintActive", paintActive);
maxButton.setBorder(handyEmptyBorder);
closeButton.putClientProperty("paintActive", paintActive);
closeButton.setBorder(handyEmptyBorder);
// The palette close icon isn't opaque while the regular close icon is.
// This makes sure palette close buttons have the right background.
closeButton.setBackground(MetalLookAndFeel.getPrimaryControlShadow());
if (MetalLookAndFeel.usingOcean()) {
iconButton.setContentAreaFilled(false);
maxButton.setContentAreaFilled(false);
closeButton.setContentAreaFilled(false);
}
}
/** Override the parent's method to do nothing. Metal frames do not have system menus. */
protected void assembleSystemMenu() {}
/** Override the parent's method to do nothing. Metal frames do not have system menus. */
protected void addSystemMenuItems(JMenu systemMenu) {}
/** Override the parent's method to do nothing. Metal frames do not have system menus. */
protected void showSystemMenu() {}
/**
* Override the parent's method avoid creating a menu bar. Metal frames do not have system menus.
*/
protected void addSubComponents() {
add(iconButton);
add(maxButton);
add(closeButton);
}
protected PropertyChangeListener createPropertyChangeListener() {
return new MetalPropertyChangeHandler();
}
protected LayoutManager createLayout() {
return new MetalTitlePaneLayout();
}
class MetalPropertyChangeHandler extends BasicInternalFrameTitlePane.PropertyChangeHandler {
public void propertyChange(PropertyChangeEvent evt) {
String prop = (String) evt.getPropertyName();
if (prop.equals(JInternalFrame.IS_SELECTED_PROPERTY)) {
Boolean b = (Boolean) evt.getNewValue();
iconButton.putClientProperty("paintActive", b);
closeButton.putClientProperty("paintActive", b);
maxButton.putClientProperty("paintActive", b);
} else if ("JInternalFrame.messageType".equals(prop)) {
updateOptionPaneState();
frame.repaint();
}
super.propertyChange(evt);
}
}
class MetalTitlePaneLayout extends TitlePaneLayout {
public void addLayoutComponent(String name, Component c) {}
public void removeLayoutComponent(Component c) {}
public Dimension preferredLayoutSize(Container c) {
return minimumLayoutSize(c);
}
public Dimension minimumLayoutSize(Container c) {
// Compute width.
int width = 30;
if (frame.isClosable()) {
width += 21;
}
if (frame.isMaximizable()) {
width += 16 + (frame.isClosable() ? 10 : 4);
}
if (frame.isIconifiable()) {
width += 16 + (frame.isMaximizable() ? 2 : (frame.isClosable() ? 10 : 4));
}
FontMetrics fm = frame.getFontMetrics(getFont());
String frameTitle = frame.getTitle();
int title_w = frameTitle != null ? SwingUtilities2.stringWidth(frame, fm, frameTitle) : 0;
int title_length = frameTitle != null ? frameTitle.length() : 0;
if (title_length > 2) {
int subtitle_w =
SwingUtilities2.stringWidth(frame, fm, frame.getTitle().substring(0, 2) + "...");
width += (title_w < subtitle_w) ? title_w : subtitle_w;
} else {
width += title_w;
}
// Compute height.
int height = 0;
if (isPalette) {
height = paletteTitleHeight;
} else {
int fontHeight = fm.getHeight();
fontHeight += 7;
Icon icon = frame.getFrameIcon();
int iconHeight = 0;
if (icon != null) {
// SystemMenuBar forces the icon to be 16x16 or less.
iconHeight = Math.min(icon.getIconHeight(), 16);
}
iconHeight += 5;
height = Math.max(fontHeight, iconHeight);
}
return new Dimension(width, height);
}
public void layoutContainer(Container c) {
boolean leftToRight = MetalUtils.isLeftToRight(frame);
int w = getWidth();
int x = leftToRight ? w : 0;
int y = 2;
int spacing;
// assumes all buttons have the same dimensions
// these dimensions include the borders
int buttonHeight = closeButton.getIcon().getIconHeight();
int buttonWidth = closeButton.getIcon().getIconWidth();
if (frame.isClosable()) {
if (isPalette) {
spacing = 3;
x += leftToRight ? -spacing - (buttonWidth + 2) : spacing;
closeButton.setBounds(x, y, buttonWidth + 2, getHeight() - 4);
if (!leftToRight) x += (buttonWidth + 2);
} else {
spacing = 4;
x += leftToRight ? -spacing - buttonWidth : spacing;
closeButton.setBounds(x, y, buttonWidth, buttonHeight);
if (!leftToRight) x += buttonWidth;
}
}
if (frame.isMaximizable() && !isPalette) {
spacing = frame.isClosable() ? 10 : 4;
x += leftToRight ? -spacing - buttonWidth : spacing;
maxButton.setBounds(x, y, buttonWidth, buttonHeight);
if (!leftToRight) x += buttonWidth;
}
if (frame.isIconifiable() && !isPalette) {
spacing = frame.isMaximizable() ? 2 : (frame.isClosable() ? 10 : 4);
x += leftToRight ? -spacing - buttonWidth : spacing;
iconButton.setBounds(x, y, buttonWidth, buttonHeight);
if (!leftToRight) x += buttonWidth;
}
buttonsWidth = leftToRight ? w - x : x;
}
}
public void paintPalette(Graphics g) {
boolean leftToRight = MetalUtils.isLeftToRight(frame);
int width = getWidth();
int height = getHeight();
if (paletteBumps == null) {
paletteBumps =
new MetalBumps(
0,
0,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlShadow());
}
Color background = MetalLookAndFeel.getPrimaryControlShadow();
Color darkShadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
g.setColor(background);
g.fillRect(0, 0, width, height);
g.setColor(darkShadow);
g.drawLine(0, height - 1, width, height - 1);
int xOffset = leftToRight ? 4 : buttonsWidth + 4;
int bumpLength = width - buttonsWidth - 2 * 4;
int bumpHeight = getHeight() - 4;
paletteBumps.setBumpArea(bumpLength, bumpHeight);
paletteBumps.paintIcon(this, g, xOffset, 2);
}
public void paintComponent(Graphics g) {
if (isPalette) {
paintPalette(g);
return;
}
boolean leftToRight = MetalUtils.isLeftToRight(frame);
boolean isSelected = frame.isSelected();
int width = getWidth();
int height = getHeight();
Color background = null;
Color foreground = null;
Color shadow = null;
MetalBumps bumps;
String gradientKey;
if (isSelected) {
if (!MetalLookAndFeel.usingOcean()) {
closeButton.setContentAreaFilled(true);
maxButton.setContentAreaFilled(true);
iconButton.setContentAreaFilled(true);
}
if (selectedBackgroundKey != null) {
background = UIManager.getColor(selectedBackgroundKey);
}
if (background == null) {
background = MetalLookAndFeel.getWindowTitleBackground();
}
if (selectedForegroundKey != null) {
foreground = UIManager.getColor(selectedForegroundKey);
}
if (selectedShadowKey != null) {
shadow = UIManager.getColor(selectedShadowKey);
}
if (shadow == null) {
shadow = MetalLookAndFeel.getPrimaryControlDarkShadow();
}
if (foreground == null) {
foreground = MetalLookAndFeel.getWindowTitleForeground();
}
activeBumps.setBumpColors(
activeBumpsHighlight,
activeBumpsShadow,
UIManager.get("InternalFrame.activeTitleGradient") != null ? null : background);
bumps = activeBumps;
gradientKey = "InternalFrame.activeTitleGradient";
} else {
if (!MetalLookAndFeel.usingOcean()) {
closeButton.setContentAreaFilled(false);
maxButton.setContentAreaFilled(false);
iconButton.setContentAreaFilled(false);
}
background = MetalLookAndFeel.getWindowTitleInactiveBackground();
foreground = MetalLookAndFeel.getWindowTitleInactiveForeground();
shadow = MetalLookAndFeel.getControlDarkShadow();
bumps = inactiveBumps;
gradientKey = "InternalFrame.inactiveTitleGradient";
}
if (!MetalUtils.drawGradient(this, g, gradientKey, 0, 0, width, height, true)) {
g.setColor(background);
g.fillRect(0, 0, width, height);
}
g.setColor(shadow);
g.drawLine(0, height - 1, width, height - 1);
g.drawLine(0, 0, 0, 0);
g.drawLine(width - 1, 0, width - 1, 0);
int titleLength = 0;
int xOffset = leftToRight ? 5 : width - 5;
String frameTitle = frame.getTitle();
Icon icon = frame.getFrameIcon();
if (icon != null) {
if (!leftToRight) xOffset -= icon.getIconWidth();
int iconY = ((height / 2) - (icon.getIconHeight() / 2));
icon.paintIcon(frame, g, xOffset, iconY);
xOffset += leftToRight ? icon.getIconWidth() + 5 : -5;
}
if (frameTitle != null) {
Font f = getFont();
g.setFont(f);
FontMetrics fm = SwingUtilities2.getFontMetrics(frame, g, f);
int fHeight = fm.getHeight();
g.setColor(foreground);
int yOffset = ((height - fm.getHeight()) / 2) + fm.getAscent();
Rectangle rect = new Rectangle(0, 0, 0, 0);
if (frame.isIconifiable()) {
rect = iconButton.getBounds();
} else if (frame.isMaximizable()) {
rect = maxButton.getBounds();
} else if (frame.isClosable()) {
rect = closeButton.getBounds();
}
int titleW;
if (leftToRight) {
if (rect.x == 0) {
rect.x = frame.getWidth() - frame.getInsets().right - 2;
}
titleW = rect.x - xOffset - 4;
frameTitle = getTitle(frameTitle, fm, titleW);
} else {
titleW = xOffset - rect.x - rect.width - 4;
frameTitle = getTitle(frameTitle, fm, titleW);
xOffset -= SwingUtilities2.stringWidth(frame, fm, frameTitle);
}
titleLength = SwingUtilities2.stringWidth(frame, fm, frameTitle);
SwingUtilities2.drawString(frame, g, frameTitle, xOffset, yOffset);
xOffset += leftToRight ? titleLength + 5 : -5;
}
int bumpXOffset;
int bumpLength;
if (leftToRight) {
bumpLength = width - buttonsWidth - xOffset - 5;
bumpXOffset = xOffset;
} else {
bumpLength = xOffset - buttonsWidth - 5;
bumpXOffset = buttonsWidth + 5;
}
int bumpYOffset = 3;
int bumpHeight = getHeight() - (2 * bumpYOffset);
bumps.setBumpArea(bumpLength, bumpHeight);
bumps.paintIcon(this, g, bumpXOffset, bumpYOffset);
}
public void setPalette(boolean b) {
isPalette = b;
if (isPalette) {
closeButton.setIcon(paletteCloseIcon);
if (frame.isMaximizable()) remove(maxButton);
if (frame.isIconifiable()) remove(iconButton);
} else {
closeButton.setIcon(closeIcon);
if (frame.isMaximizable()) add(maxButton);
if (frame.isIconifiable()) add(iconButton);
}
revalidate();
repaint();
}
/**
* Updates any state dependant upon the JInternalFrame being shown in a <code>JOptionPane</code>.
*/
private void updateOptionPaneState() {
int type = -2;
boolean closable = wasClosable;
Object obj = frame.getClientProperty("JInternalFrame.messageType");
if (obj == null) {
// Don't change the closable state unless in an JOptionPane.
return;
}
if (obj instanceof Integer) {
type = ((Integer) obj).intValue();
}
switch (type) {
case JOptionPane.ERROR_MESSAGE:
selectedBackgroundKey = "OptionPane.errorDialog.titlePane.background";
selectedForegroundKey = "OptionPane.errorDialog.titlePane.foreground";
selectedShadowKey = "OptionPane.errorDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.QUESTION_MESSAGE:
selectedBackgroundKey = "OptionPane.questionDialog.titlePane.background";
selectedForegroundKey = "OptionPane.questionDialog.titlePane.foreground";
selectedShadowKey = "OptionPane.questionDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.WARNING_MESSAGE:
selectedBackgroundKey = "OptionPane.warningDialog.titlePane.background";
selectedForegroundKey = "OptionPane.warningDialog.titlePane.foreground";
selectedShadowKey = "OptionPane.warningDialog.titlePane.shadow";
closable = false;
break;
case JOptionPane.INFORMATION_MESSAGE:
case JOptionPane.PLAIN_MESSAGE:
selectedBackgroundKey = selectedForegroundKey = selectedShadowKey = null;
closable = false;
break;
default:
selectedBackgroundKey = selectedForegroundKey = selectedShadowKey = null;
break;
}
if (closable != frame.isClosable()) {
frame.setClosable(closable);
}
}
}
/**
* Metal's split pane divider
*
* <p><strong>Warning:</strong> Serialized objects of this class will not be compatible with future
* Swing releases. The current serialization support is appropriate for short term storage or RMI
* between applications running the same version of Swing. As of 1.4, support for long term storage
* of all JavaBeans<sup><font size="-2">TM</font></sup> has been added to the <code>java.beans
* </code> package. Please see {@link java.beans.XMLEncoder}.
*
* @author Steve Wilson
* @author Ralph kar
*/
class MetalSplitPaneDivider extends BasicSplitPaneDivider {
private MetalBumps bumps =
new MetalBumps(
10,
10,
MetalLookAndFeel.getControlHighlight(),
MetalLookAndFeel.getControlDarkShadow(),
MetalLookAndFeel.getControl());
private MetalBumps focusBumps =
new MetalBumps(
10,
10,
MetalLookAndFeel.getPrimaryControlHighlight(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
UIManager.getColor("SplitPane.dividerFocusColor"));
private int inset = 2;
private Color controlColor = MetalLookAndFeel.getControl();
private Color primaryControlColor = UIManager.getColor("SplitPane.dividerFocusColor");
public MetalSplitPaneDivider(BasicSplitPaneUI ui) {
super(ui);
}
public void paint(Graphics g) {
MetalBumps usedBumps;
if (splitPane.hasFocus()) {
usedBumps = focusBumps;
g.setColor(primaryControlColor);
} else {
usedBumps = bumps;
g.setColor(controlColor);
}
Rectangle clip = g.getClipBounds();
Insets insets = getInsets();
g.fillRect(clip.x, clip.y, clip.width, clip.height);
Dimension size = getSize();
size.width -= inset * 2;
size.height -= inset * 2;
int drawX = inset;
int drawY = inset;
if (insets != null) {
size.width -= (insets.left + insets.right);
size.height -= (insets.top + insets.bottom);
drawX += insets.left;
drawY += insets.top;
}
usedBumps.setBumpArea(size);
usedBumps.paintIcon(this, g, drawX, drawY);
super.paint(g);
}
/**
* Creates and return an instance of JButton that can be used to collapse the left component in
* the metal split pane.
*/
protected JButton createLeftOneTouchButton() {
JButton b =
new JButton() {
// Sprite buffer for the arrow image of the left button
int[][] buffer = {
{0, 0, 0, 2, 2, 0, 0, 0, 0},
{0, 0, 2, 1, 1, 1, 0, 0, 0},
{0, 2, 1, 1, 1, 1, 1, 0, 0},
{2, 1, 1, 1, 1, 1, 1, 1, 0},
{0, 3, 3, 3, 3, 3, 3, 3, 3}
};
public void setBorder(Border b) {}
public void paint(Graphics g) {
JSplitPane splitPane = getSplitPaneFromSuper();
if (splitPane != null) {
int oneTouchSize = getOneTouchSizeFromSuper();
int orientation = getOrientationFromSuper();
int blockSize = Math.min(getDividerSize(), oneTouchSize);
// Initialize the color array
Color[] colors = {
this.getBackground(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlHighlight()
};
// Fill the background first ...
g.setColor(this.getBackground());
if (isOpaque()) {
g.fillRect(0, 0, this.getWidth(), this.getHeight());
}
// ... then draw the arrow.
if (getModel().isPressed()) {
// Adjust color mapping for pressed button state
colors[1] = colors[2];
}
if (orientation == JSplitPane.VERTICAL_SPLIT) {
// Draw the image for a vertical split
for (int i = 1; i <= buffer[0].length; i++) {
for (int j = 1; j < blockSize; j++) {
if (buffer[j - 1][i - 1] == 0) {
continue;
} else {
g.setColor(colors[buffer[j - 1][i - 1]]);
}
g.drawLine(i, j, i, j);
}
}
} else {
// Draw the image for a horizontal split
// by simply swaping the i and j axis.
// Except the drawLine() call this code is
// identical to the code block above. This was done
// in order to remove the additional orientation
// check for each pixel.
for (int i = 1; i <= buffer[0].length; i++) {
for (int j = 1; j < blockSize; j++) {
if (buffer[j - 1][i - 1] == 0) {
// Nothing needs
// to be drawn
continue;
} else {
// Set the color from the
// color map
g.setColor(colors[buffer[j - 1][i - 1]]);
}
// Draw a pixel
g.drawLine(j, i, j, i);
}
}
}
}
}
// Don't want the button to participate in focus traversable.
public boolean isFocusTraversable() {
return false;
}
};
b.setRequestFocusEnabled(false);
b.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
b.setFocusPainted(false);
b.setBorderPainted(false);
maybeMakeButtonOpaque(b);
return b;
}
/** If necessary <code>c</code> is made opaque. */
private void maybeMakeButtonOpaque(JComponent c) {
Object opaque = UIManager.get("SplitPane.oneTouchButtonsOpaque");
if (opaque != null) {
c.setOpaque(((Boolean) opaque).booleanValue());
}
}
/**
* Creates and return an instance of JButton that can be used to collapse the right component in
* the metal split pane.
*/
protected JButton createRightOneTouchButton() {
JButton b =
new JButton() {
// Sprite buffer for the arrow image of the right button
int[][] buffer = {
{2, 2, 2, 2, 2, 2, 2, 2},
{0, 1, 1, 1, 1, 1, 1, 3},
{0, 0, 1, 1, 1, 1, 3, 0},
{0, 0, 0, 1, 1, 3, 0, 0},
{0, 0, 0, 0, 3, 0, 0, 0}
};
public void setBorder(Border border) {}
public void paint(Graphics g) {
JSplitPane splitPane = getSplitPaneFromSuper();
if (splitPane != null) {
int oneTouchSize = getOneTouchSizeFromSuper();
int orientation = getOrientationFromSuper();
int blockSize = Math.min(getDividerSize(), oneTouchSize);
// Initialize the color array
Color[] colors = {
this.getBackground(),
MetalLookAndFeel.getPrimaryControlDarkShadow(),
MetalLookAndFeel.getPrimaryControlInfo(),
MetalLookAndFeel.getPrimaryControlHighlight()
};
// Fill the background first ...
g.setColor(this.getBackground());
if (isOpaque()) {
g.fillRect(0, 0, this.getWidth(), this.getHeight());
}
// ... then draw the arrow.
if (getModel().isPressed()) {
// Adjust color mapping for pressed button state
colors[1] = colors[2];
}
if (orientation == JSplitPane.VERTICAL_SPLIT) {
// Draw the image for a vertical split
for (int i = 1; i <= buffer[0].length; i++) {
for (int j = 1; j < blockSize; j++) {
if (buffer[j - 1][i - 1] == 0) {
continue;
} else {
g.setColor(colors[buffer[j - 1][i - 1]]);
}
g.drawLine(i, j, i, j);
}
}
} else {
// Draw the image for a horizontal split
// by simply swaping the i and j axis.
// Except the drawLine() call this code is
// identical to the code block above. This was done
// in order to remove the additional orientation
// check for each pixel.
for (int i = 1; i <= buffer[0].length; i++) {
for (int j = 1; j < blockSize; j++) {
if (buffer[j - 1][i - 1] == 0) {
// Nothing needs
// to be drawn
continue;
} else {
// Set the color from the
// color map
g.setColor(colors[buffer[j - 1][i - 1]]);
}
// Draw a pixel
g.drawLine(j, i, j, i);
}
}
}
}
}
// Don't want the button to participate in focus traversable.
public boolean isFocusTraversable() {
return false;
}
};
b.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
b.setFocusPainted(false);
b.setBorderPainted(false);
b.setRequestFocusEnabled(false);
maybeMakeButtonOpaque(b);
return b;
}
/**
* Used to layout a MetalSplitPaneDivider. Layout for the divider involves appropriately moving
* the left/right buttons around.
*
* <p>This class should be treated as a "protected" inner class. Instantiate it only
* within subclasses of MetalSplitPaneDivider.
*/
public class MetalDividerLayout implements LayoutManager {
// NOTE NOTE NOTE NOTE NOTE
// This class is no longer used, the functionality has
// been rolled into BasicSplitPaneDivider.DividerLayout as a
// defaults property
public void layoutContainer(Container c) {
JButton leftButton = getLeftButtonFromSuper();
JButton rightButton = getRightButtonFromSuper();
JSplitPane splitPane = getSplitPaneFromSuper();
int orientation = getOrientationFromSuper();
int oneTouchSize = getOneTouchSizeFromSuper();
int oneTouchOffset = getOneTouchOffsetFromSuper();
Insets insets = getInsets();
// This layout differs from the one used in BasicSplitPaneDivider.
// It does not center justify the oneTouchExpadable buttons.
// This was necessary in order to meet the spec of the Metal
// splitpane divider.
if (leftButton != null && rightButton != null && c == MetalSplitPaneDivider.this) {
if (splitPane.isOneTouchExpandable()) {
if (orientation == JSplitPane.VERTICAL_SPLIT) {
int extraY = (insets != null) ? insets.top : 0;
int blockSize = getDividerSize();
if (insets != null) {
blockSize -= (insets.top + insets.bottom);
}
blockSize = Math.min(blockSize, oneTouchSize);
leftButton.setBounds(oneTouchOffset, extraY, blockSize * 2, blockSize);
rightButton.setBounds(
oneTouchOffset + oneTouchSize * 2, extraY, blockSize * 2, blockSize);
} else {
int blockSize = getDividerSize();
int extraX = (insets != null) ? insets.left : 0;
if (insets != null) {
blockSize -= (insets.left + insets.right);
}
blockSize = Math.min(blockSize, oneTouchSize);
leftButton.setBounds(extraX, oneTouchOffset, blockSize, blockSize * 2);
rightButton.setBounds(
extraX, oneTouchOffset + oneTouchSize * 2, blockSize, blockSize * 2);
}
} else {
leftButton.setBounds(-5, -5, 1, 1);
rightButton.setBounds(-5, -5, 1, 1);
}
}
}
public Dimension minimumLayoutSize(Container c) {
return new Dimension(0, 0);
}
public Dimension preferredLayoutSize(Container c) {
return new Dimension(0, 0);
}
public void removeLayoutComponent(Component c) {}
public void addLayoutComponent(String string, Component c) {}
}
/*
* The following methods only exist in order to be able to access protected
* members in the superclass, because these are otherwise not available
* in any inner class.
*/
int getOneTouchSizeFromSuper() {
return super.ONE_TOUCH_SIZE;
}
int getOneTouchOffsetFromSuper() {
return super.ONE_TOUCH_OFFSET;
}
int getOrientationFromSuper() {
return super.orientation;
}
JSplitPane getSplitPaneFromSuper() {
return super.splitPane;
}
JButton getLeftButtonFromSuper() {
return super.leftButton;
}
JButton getRightButtonFromSuper() {
return super.rightButton;
}
}