Java/Swing Components/TabbedPane
Содержание
Color TabbedPane Example
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html /* (swing1.1.1) */
import java.awt.Color; import java.awt.Graphics; import java.awt.Rectangle; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.UIManager; import javax.swing.event.ChangeEvent; import javax.swing.event.ChangeListener; import javax.swing.plaf.metal.MetalTabbedPaneUI; /**
* @version 1.0 08/23/99 */
public class ColorTabbedPaneExample extends JFrame {
String[] titles = { "blue", "cyan", "green", "yellow", "orange", "pink",
"red" };
Color[] colors = { Color.blue, Color.cyan, Color.green, Color.yellow,
Color.orange, Color.pink, Color.red };
JTabbedPane tabbedPane;
public ColorTabbedPaneExample() {
super("ColorTabbedPaneExample (Metal)");
UIManager.put("TabbedPane.selected", colors[0]);
tabbedPane = new JTabbedPane() {
public void updateUI() {
setUI(new ColoredTabbedPaneUI());
}
};
for (int i = 0; i < titles.length; i++) {
tabbedPane.addTab(titles[i], createPane(titles[i], colors[i]));
tabbedPane.setBackgroundAt(i, colors[i].darker());
}
tabbedPane.setSelectedIndex(0);
tabbedPane.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
int i = tabbedPane.getSelectedIndex();
((ColoredTabbedPaneUI) tabbedPane.getUI())
.setSelectedTabBackground(colors[i]);
tabbedPane.revalidate();
tabbedPane.repaint();
}
});
getContentPane().add(tabbedPane);
}
JPanel createPane(String title, Color color) {
JPanel panel = new JPanel();
panel.setBackground(color);
JLabel label = new JLabel(title);
label.setOpaque(true);
label.setBackground(Color.white);
panel.add(label);
return panel;
}
class ColoredTabbedPaneUI extends MetalTabbedPaneUI {
public void setSelectedTabBackground(Color color) {
selectColor = color;
}
protected void paintFocusIndicator(Graphics g, int tabPlacement,
Rectangle[] rects, int tabIndex, Rectangle iconRect,
Rectangle textRect, boolean isSelected) {
}
}
public static void main(String[] args) {
JFrame frame = new ColorTabbedPaneExample();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setSize(360, 100);
frame.setVisible(true);
}
}
</source>
Color TabbedPane Example 2
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html /* (swing1.1.1) */
import java.awt.Color; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicTabbedPaneUI; /**
* @version 1.0 08/23/99 */
public class ColorTabbedPaneExample2 extends JFrame {
String[] titles = { "blue", "cyan", "green", "yellow", "orange", "pink",
"red" };
Color[] colors = { Color.blue, Color.cyan, Color.green, Color.yellow,
Color.orange, Color.pink, Color.red };
JTabbedPane tabbedPane;
public ColorTabbedPaneExample2() {
super("ColorTabbedPaneExample (basic)");
tabbedPane = new ColoredTabbedPane();
for (int i = 0; i < titles.length; i++) {
tabbedPane.addTab(titles[i], createPane(titles[i], colors[i]));
tabbedPane.setBackgroundAt(i, colors[i].darker());
}
tabbedPane.setSelectedIndex(0);
getContentPane().add(tabbedPane);
}
JPanel createPane(String title, Color color) {
JPanel panel = new JPanel();
panel.setBackground(color);
JLabel label = new JLabel(title);
label.setOpaque(true);
label.setBackground(Color.white);
panel.add(label);
return panel;
}
class ColoredTabbedPane extends JTabbedPane {
public Color getBackgroundAt(int index) {
if (index == getSelectedIndex()) {
return colors[index];
} else {
return super.getBackgroundAt(index);
}
}
public void updateUI() {
setUI(new BasicTabbedPaneUI());
}
}
public static void main(String[] args) {
JFrame frame = new ColorTabbedPaneExample2();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setSize(360, 100);
frame.setVisible(true);
}
}
</source>
Color TabbedPane Example 3
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html /* (swing1.1.1) */
import java.awt.Color; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.UIManager; /**
* @version 1.0 08/23/99 */
public class ColorTabbedPaneExample3 extends JFrame {
String[] titles = { "blue", "cyan", "green", "yellow", "orange", "pink",
"red" };
Color[] colors = { Color.blue, Color.cyan, Color.green, Color.yellow,
Color.orange, Color.pink, Color.red };
JTabbedPane tabbedPane;
public ColorTabbedPaneExample3() {
super("ColorTabbedPaneExample (windows)");
tabbedPane = new ColoredTabbedPane();
for (int i = 0; i < titles.length; i++) {
tabbedPane.addTab(titles[i], createPane(titles[i], colors[i]));
tabbedPane.setBackgroundAt(i, colors[i].darker());
}
tabbedPane.setSelectedIndex(0);
getContentPane().add(tabbedPane);
}
JPanel createPane(String title, Color color) {
JPanel panel = new JPanel();
panel.setBackground(color);
JLabel label = new JLabel(title);
label.setOpaque(true);
label.setBackground(Color.white);
panel.add(label);
return panel;
}
class ColoredTabbedPane extends JTabbedPane {
public Color getBackgroundAt(int index) {
if (index == getSelectedIndex()) {
return colors[index];
} else {
return super.getBackgroundAt(index);
}
}
}
public static void main(String[] args) {
try {
UIManager
.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
} catch (Exception ex) {
ex.printStackTrace();
}
JFrame frame = new ColorTabbedPaneExample3();
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.setSize(360, 100);
frame.setVisible(true);
}
}
</source>
Mnemonic Tabbed Pane Example
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html /* (swing1.1.1beta2) */
import java.awt.BorderLayout; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.util.Hashtable; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.KeyStroke; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicGraphicsUtils; import javax.swing.plaf.metal.MetalTabbedPaneUI; /**
* @version 1.1 06/02/99 */
public class MnemonicTabbedPaneExample extends JPanel {
public MnemonicTabbedPaneExample() {
setLayout(new BorderLayout());
MnemonicTabbedPane tabbedPane = new MnemonicTabbedPane();
String[] tabs = { "Zero", "One", "Two", "Three", "Four" };
char[] ms = { "Z", "O", "T", "h", "F" };
int[] keys = { KeyEvent.VK_0, KeyEvent.VK_1, KeyEvent.VK_2,
KeyEvent.VK_3, KeyEvent.VK_4, };
for (int i = 0; i < tabs.length; i++) {
tabbedPane.addTab(tabs[i], createPane(tabs[i]));
tabbedPane.setMnemonicAt(i, ms[i]);
//tabbedPane.setMnemonicAt(i, keys[i]);
}
tabbedPane.setSelectedIndex(0);
add(tabbedPane, BorderLayout.CENTER);
add(new JButton("button"), BorderLayout.SOUTH);
}
JPanel createPane(final String s) {
JButton abcButton = new JButton("Abc");
abcButton.setMnemonic("A");
JButton xyzButton = new JButton("Xyz");
xyzButton.setMnemonic("X");
JPanel p = new JPanel();
p.add(new JLabel(s));
p.add(abcButton);
p.add(xyzButton);
return p;
}
public static void main(String[] args) {
JFrame frame = new JFrame("TabbedPane Test");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(new MnemonicTabbedPaneExample());
frame.setSize(250, 130);
frame.setVisible(true);
}
} class MnemonicTabbedPane extends JTabbedPane {
Hashtable mnemonics = null;
int condition;
public MnemonicTabbedPane() {
setUI(new MnemonicTabbedPaneUI());
mnemonics = new Hashtable();
// I don"t know which one is more suitable for mnemonic action.
//setMnemonicCondition(WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
setMnemonicCondition(WHEN_IN_FOCUSED_WINDOW);
}
public void setMnemonicAt(int index, char c) {
int key = (int) c;
if ("a" <= key && key <= "z") {
key -= ("a" - "A");
}
setMnemonicAt(index, key);
}
public void setMnemonicAt(int index, int keyCode) {
ActionListener action = new MnemonicAction(index);
KeyStroke stroke = KeyStroke
.getKeyStroke(keyCode, ActionEvent.ALT_MASK);
registerKeyboardAction(action, stroke, condition);
mnemonics.put(new Integer(index), new Integer(keyCode));
}
public int getMnemonicAt(int index) {
int keyCode = 0;
Integer m = (Integer) mnemonics.get(new Integer(index));
if (m != null) {
keyCode = m.intValue();
}
return keyCode;
}
public void setMnemonicCondition(int condition) {
this.condition = condition;
}
public int getMnemonicCondition() {
return condition;
}
class MnemonicAction implements ActionListener {
int index;
public MnemonicAction(int index) {
this.index = index;
}
public void actionPerformed(ActionEvent e) {
MnemonicTabbedPane tabbedPane = (MnemonicTabbedPane) e.getSource();
tabbedPane.setSelectedIndex(index);
tabbedPane.requestFocus();
}
}
class MnemonicTabbedPaneUI extends MetalTabbedPaneUI {
protected void paintText(Graphics g, int tabPlacement, Font font,
FontMetrics metrics, int tabIndex, String title,
Rectangle textRect, boolean isSelected) {
g.setFont(font);
MnemonicTabbedPane mtabPane = (MnemonicTabbedPane) tabPane;
if (tabPane.isEnabled() && tabPane.isEnabledAt(tabIndex)) {
g.setColor(tabPane.getForegroundAt(tabIndex));
BasicGraphicsUtils.drawString(g, title, mtabPane
.getMnemonicAt(tabIndex), textRect.x, textRect.y
+ metrics.getAscent());
} else {
g.setColor(tabPane.getBackgroundAt(tabIndex).brighter());
BasicGraphicsUtils.drawString(g, title, mtabPane
.getMnemonicAt(tabIndex), textRect.x, textRect.y
+ metrics.getAscent());
g.setColor(tabPane.getBackgroundAt(tabIndex).darker());
BasicGraphicsUtils.drawString(g, title, mtabPane
.getMnemonicAt(tabIndex), textRect.x - 1, textRect.y
+ metrics.getAscent() - 1);
}
}
}
}
</source>
Single Row Tabbed Pane Example 1
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html /* (swing1.1.1beta2) */
import java.awt.BorderLayout; import java.awt.Color; import java.awt.ruponent; import java.awt.Container; import java.awt.Dimension; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Insets; import java.awt.LayoutManager; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.Icon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.SwingConstants; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicArrowButton; import javax.swing.plaf.basic.BasicTabbedPaneUI; import javax.swing.plaf.metal.MetalTabbedPaneUI; /**
* @version 1.0 07/09/99 */
public class SingleRowTabbedPaneExample1 extends JPanel {
public SingleRowTabbedPaneExample1() {
setLayout(new BorderLayout());
SingleRowTabbedPane tabbedPane = new SingleRowTabbedPane(
SingleRowTabbedPane.ONE_BUTTON, SwingConstants.RIGHT);
String tabs[] = { "One", "Two", "Three", "Four", "Five", "Six",
"Seven", "Eight", "Nine", "Ten" };
for (int i = 0; i < tabs.length; i++) {
tabbedPane.addTab(tabs[i], createPane(tabs[i]));
}
tabbedPane.setSelectedIndex(0);
add(tabbedPane, BorderLayout.CENTER);
}
private JPanel createPane(String s) {
JPanel p = new JPanel();
p.add(new JLabel(s));
return p;
}
public static void main(String[] args) {
JFrame frame = new JFrame("One button Example");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(new SingleRowTabbedPaneExample1());
frame.setSize(250, 100);
frame.setVisible(true);
}
} class SingleRowTabbedPane extends JTabbedPane {
public static final String ROTATE = "Rotate";
public static final String PREVIOUS = "Previous";
public static final String NEXT = "Next";
public static final String FIRST = "First";
public static final String LEFT_SHIFT = "Left";
public static final String RIGHT_SHIFT = "Right";
public static final String LAST = "Last";
public static final int ONE_BUTTON = 1; // ROTATE ;
public static final int TWO_BUTTONS = 2; // PREVIOUS | NEXT ;
public static final int FOUR_BUTTONS = 4; // FIRST | LEFT_SHIFT |
// RIGHT_SHIFT | LAST ;
protected int buttonPlacement;
protected int buttonCount;
protected JButton[] tabPaneButtons;
protected Dimension buttonSize;
protected int visibleCount;
protected int visibleStartIndex;
private final int BUTTON_WIDTH = 16;
private final int BUTTON_HEIGHT = 17;
public SingleRowTabbedPane() {
this(TWO_BUTTONS, RIGHT);
//this(ONE_BUTTON, RIGHT);
//this(FOUR_BUTTONS, LEFT);
}
public SingleRowTabbedPane(int buttonCount, int buttonPlacement) {
setButtonPreferredSize(new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT));
tabPaneButtons = createButtons(buttonCount);
this.buttonPlacement = buttonPlacement;
visibleStartIndex = 0;
setUI(new SingleRowTabbedPaneUI());
}
public void setTabPlacement(int tabPlacement) {
if (tabPlacement == LEFT || tabPlacement == RIGHT) {
throw new IllegalArgumentException("not suported: LEFT and RIGHT");
}
super.setTabPlacement(tabPlacement);
}
public int getButtonPlacement() {
return buttonPlacement;
}
public void setButtonPreferredSize(Dimension d) {
if (d != null) {
buttonSize = d;
}
}
public Dimension getButtonPreferredSize() {
return buttonSize;
}
public JButton[] getButtons() {
return tabPaneButtons;
}
public int getButtonCount() {
return buttonCount;
}
public void insertTab(String title, Icon icon, Component component,
String tip, int index) {
if (component instanceof TabbedPaneButton) {
if (component != null) {
component.setVisible(true);
addImpl(component, null, -1);
}
return;
}
super.insertTab(title, icon, component, tip, index);
}
public boolean isVisibleTab(int index) {
if ((visibleStartIndex <= index)
&& (index < visibleStartIndex + visibleCount)) {
return true;
} else {
return false;
}
}
public int getVisibleCount() {
return visibleCount;
}
public void setVisibleCount(int visibleCount) {
if (visibleCount < 0) {
return;
}
this.visibleCount = visibleCount;
}
public int getVisibleStartIndex() {
return visibleStartIndex;
}
public void setVisibleStartIndex(int visibleStartIndex) {
if (visibleStartIndex < 0 || getTabCount() <= visibleStartIndex) {
return;
}
this.visibleStartIndex = visibleStartIndex;
}
protected JButton[] createButtons(int buttonCount) {
JButton[] tabPaneButtons = null;
switch (buttonCount) {
case ONE_BUTTON:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(EAST);
tabPaneButtons[0].setActionCommand(ROTATE);
break;
case TWO_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(WEST);
tabPaneButtons[0].setActionCommand(PREVIOUS);
tabPaneButtons[1] = new PrevOrNextButton(EAST);
tabPaneButtons[1].setActionCommand(NEXT);
break;
case FOUR_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new FirstOrLastButton(WEST);
tabPaneButtons[0].setActionCommand(FIRST);
tabPaneButtons[1] = new PrevOrNextButton(WEST);
tabPaneButtons[1].setActionCommand(LEFT_SHIFT);
tabPaneButtons[2] = new PrevOrNextButton(EAST);
tabPaneButtons[2].setActionCommand(RIGHT_SHIFT);
tabPaneButtons[3] = new FirstOrLastButton(EAST);
tabPaneButtons[3].setActionCommand(LAST);
break;
default:
}
return tabPaneButtons;
}
class PrevOrNextButton extends BasicArrowButton implements TabbedPaneButton {
public PrevOrNextButton(int direction) {
super(direction);
}
}
class FirstOrLastButton extends StopArrowButton implements TabbedPaneButton {
public FirstOrLastButton(int direction) {
super(direction);
}
}
} class SingleRowTabbedPaneUI extends MetalTabbedPaneUI {
protected ActionListener[] buttonListeners;
public void installUI(JComponent c) {
this.tabPane = (JTabbedPane) c;
c.setLayout(createLayoutManager());
installDefaults();
installComponents();
installListeners();
installKeyboardActions();
runCount = 1;
selectedRun = 0;
}
public void uninstallUI(JComponent c) {
uninstallComponents();
super.uninstallUI(c);
}
protected LayoutManager createLayoutManager() {
return new SingleRowTabbedLayout(tabPane);
}
protected void installComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.add(buttons[i]);
}
}
protected void uninstallComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.remove(buttons[i]);
}
}
protected void installListeners() {
super.installListeners();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
JButton[] buttons = stabPane.getButtons();
int n = buttons.length;
buttonListeners = new ActionListener[n];
for (int i = 0; i < n; i++) {
buttonListeners[i] = null;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
int index = sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
return (index < sPane.getTabCount()) ? index : 0;
}
};
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getVisibleStartIndex() - 1);
}
};
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
}
};
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
buttonListeners[i] = new ShiftTabs();
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() - 1;
}
};
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() + 1;
}
};
} else if (str.equals(SingleRowTabbedPane.LAST)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getTabCount() - 1);
}
};
}
buttons[i].addActionListener(buttonListeners[i]);
}
}
protected void uninstallListeners() {
super.uninstallListeners();
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
buttons[i].removeActionListener(buttonListeners[i]);
}
}
public int tabForCoordinate(JTabbedPane pane, int x, int y) {
int tabCount = tabPane.getTabCount();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].contains(x, y)) {
return index;
}
}
return -1;
}
public void paint(Graphics g, JComponent c) {
int selectedIndex = tabPane.getSelectedIndex();
int tabPlacement = tabPane.getTabPlacement();
int tabCount = tabPane.getTabCount();
ensureCurrentLayout();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
Rectangle iconRect = new Rectangle(), textRect = new Rectangle();
Rectangle clipRect = g.getClipBounds();
Insets insets = tabPane.getInsets();
tabRuns[0] = visibleStartIndex;
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, index, iconRect, textRect);
}
}
if (stabPane.isVisibleTab(selectedIndex)) {
if (rects[selectedIndex].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, selectedIndex, iconRect,
textRect);
}
}
paintContentBorder(g, tabPlacement, selectedIndex);
}
protected void paintContentBorderTopEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(selectHighlight);
if (tabPlacement != TOP
|| selectedIndex < 0
|| (rects[selectedIndex].y + rects[selectedIndex].height + 1 < y)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y, x + w - 2, y);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y, selRect.x + 1, y);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y, x + w - 2, y);
} else {
g.setColor(shadow);
g.drawLine(x + w - 2, y, x + w - 2, y);
}
}
}
protected void paintContentBorderBottomEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(darkShadow);
if (tabPlacement != BOTTOM || selectedIndex < 0
|| (rects[selectedIndex].y - 1 > h)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y + h - 1, x + w - 1, y + h - 1);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y + h - 1, selRect.x, y + h - 1);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y + h - 1, x + w - 1, y
+ h - 1);
}
}
}
protected Insets getTabAreaInsets(int tabPlacement) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
int n = stabPane.getButtonCount();
int buttonPlacement = stabPane.getButtonPlacement();
Insets currentInsets = new Insets(0, 0, 0, 0);
if (tabPlacement == TOP) {
currentInsets.top = tabAreaInsets.top;
currentInsets.bottom = tabAreaInsets.bottom;
} else {
currentInsets.top = tabAreaInsets.bottom;
currentInsets.bottom = tabAreaInsets.top;
}
if (buttonPlacement == RIGHT) {
currentInsets.left = tabAreaInsets.left;
currentInsets.right = tabAreaInsets.right + n * d.width;
} else {
currentInsets.left = tabAreaInsets.left + n * d.width;
currentInsets.right = tabAreaInsets.right;
}
return currentInsets;
}
protected int lastTabInRun(int tabCount, int run) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
return stabPane.getVisibleStartIndex() + stabPane.getVisibleCount() - 1;
}
protected void ensureCurrentLayout() {
SingleRowTabbedLayout layout = (SingleRowTabbedLayout) tabPane
.getLayout();
layout.calculateLayoutInfo();
setButtonsEnabled();
}
protected void setButtonsEnabled() {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
JButton[] buttons = stabPane.getButtons();
boolean lEnable = 0 < visibleStartIndex;
boolean rEnable = visibleStartIndex + visibleCount < tabPane
.getTabCount();
for (int i = 0; i < buttons.length; i++) {
boolean enable = false;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
enable = lEnable || rEnable;
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.LAST)) {
enable = rEnable;
}
buttons[i].setEnabled(enable);
}
}
//
// Tab Navigation by Key
// (Not yet done)
//
protected void ensureVisibleTabAt(int index) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleEndIndex = visibleStartIndex + visibleCount - 1;
if (visibleStartIndex < index && index < visibleEndIndex) {
return;
}
int selectedIndex = tabPane.getSelectedIndex();
boolean directionIsRight = (0 < index - selectedIndex) ? true : false;
//if (directionIsRight) {
if (index <= visibleStartIndex) {
//System.out.println("dec");
if (visibleStartIndex == 0)
return;
stabPane.setVisibleStartIndex(--visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(++visibleStartIndex);
}
}
//} else {
if (visibleEndIndex <= index) {
//System.out.println("inc");
if (visibleStartIndex == visibleCount + 1)
return;
stabPane.setVisibleStartIndex(++visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(--visibleStartIndex);
}
}
//}
int c = stabPane.getVisibleCount();
int s = stabPane.getVisibleStartIndex();
}
protected void selectNextTab(int current) {
for (int i = current + 1; i < tabPane.getTabCount(); i++) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
protected void selectPreviousTab(int current) {
for (int i = current - 1; 0 <= i; i--) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
/*
* not used protected int getPreviousTabIndex(int base) { int tabIndex =
* base - 1; return (tabIndex < 0? 0: tabIndex); }
*
* protected int getNextTabIndex(int base) { int tabIndex = base + 1; return
* (tabPane.getTabCount() <= tabIndex? tabIndex-1: tabIndex); }
*/
//
// these methods exist for innerclass
//
void setMaxTabHeight(int maxTabHeight) {
this.maxTabHeight = maxTabHeight;
}
int getMaxTabHeight() {
return maxTabHeight;
}
Rectangle[] getRects() {
return rects;
}
SingleRowTabbedPane getTabbedPane() {
return (SingleRowTabbedPane) tabPane;
}
protected FontMetrics getFontMetrics() {
Font font = tabPane.getFont();
return Toolkit.getDefaultToolkit().getFontMetrics(font);
}
protected int calculateMaxTabHeight(int tabPlacement) {
return super.calculateMaxTabHeight(tabPlacement);
}
protected int calculateTabWidth(int tabPlacement, int tabIndex,
FontMetrics metrics) {
return super.calculateTabWidth(tabPlacement, tabIndex, metrics);
}
protected void assureRectsCreated(int tabCount) {
super.assureRectsCreated(tabCount);
}
//
// Layout
//
class SingleRowTabbedLayout extends BasicTabbedPaneUI.TabbedPaneLayout {
JTabbedPane tabPane;
SingleRowTabbedLayout(JTabbedPane tabPane) {
this.tabPane = tabPane;
}
public void layoutContainer(Container parent) {
super.layoutContainer(parent);
if (tabPane.getComponentCount() < 1) {
return;
}
int tabPlacement = tabPane.getTabPlacement();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
Insets insets = tabPane.getInsets();
Rectangle bounds = tabPane.getBounds();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
JButton[] buttons = stabPane.getButtons();
int buttonPlacement = stabPane.getButtonPlacement();
int x, y;
if (tabPlacement == TOP) { // TOP
y = bounds.y + insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = bounds.y + bounds.height - insets.bottom
- tabAreaInsets.bottom - maxTabHeight;
}
if (buttonPlacement == RIGHT) { // RIGHT
x = bounds.x + bounds.width - insets.right;
for (int i = buttons.length - 1; 0 <= i; i--) {
x -= d.width;
buttons[i].setBounds(x, y, d.width, d.height);
}
} else { // LEFT
x = bounds.x + insets.left;
for (int i = 0; i < buttons.length; i++) {
buttons[i].setBounds(x, y, d.width, d.height);
x += d.width;
}
}
}
public void calculateLayoutInfo() {
int tabCount = tabPane.getTabCount();
assureRectsCreated(tabCount);
calculateTabWidths(tabPane.getTabPlacement(), tabCount);
calculateTabRects(tabPane.getTabPlacement(), tabCount);
}
protected void calculateTabWidths(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
FontMetrics metrics = getFontMetrics();
int fontHeight = metrics.getHeight();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
setMaxTabHeight(maxTabHeight);
Rectangle[] rects = getRects();
for (int i = 0; i < tabCount; i++) {
rects[i].width = calculateTabWidth(tabPlacement, i, metrics);
rects[i].height = maxTabHeight;
}
}
protected void calculateTabRects(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension size = tabPane.getSize();
Insets insets = tabPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
int selectedIndex = tabPane.getSelectedIndex();
int maxTabHeight = getMaxTabHeight();
int x = insets.left + tabAreaInsets.left;
int y;
if (tabPlacement == TOP) {
y = insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = size.height - insets.bottom - tabAreaInsets.bottom
- maxTabHeight;
}
int returnAt = size.width - (insets.right + tabAreaInsets.right);
Rectangle[] rects = getRects();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleCount = 0;
for (int i = visibleStartIndex; i < tabCount; i++) {
Rectangle rect = rects[i];
if (visibleStartIndex < i) {
rect.x = rects[i - 1].x + rects[i - 1].width;
} else {
rect.x = x;
}
if (rect.x + rect.width > returnAt) {
break;
} else {
visibleCount++;
rect.y = y;
}
}
stabPane.setVisibleCount(visibleCount);
stabPane.setVisibleStartIndex(visibleStartIndex);
}
}
//
// Listener
//
protected class ShiftTabs implements ActionListener {
SingleRowTabbedPane sPane;
public void actionPerformed(ActionEvent e) {
sPane = getTabbedPane();
int index = getStartIndex();
sPane.setVisibleStartIndex(index);
sPane.repaint();
}
//public abstract int getStartIndex();
protected int getStartIndex() {
return 0; // first tab
}
protected int getStartIndex(int lastIndex) {
Insets insets = sPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(sPane.getTabPlacement());
int width = sPane.getSize().width - (insets.left + insets.right)
- (tabAreaInsets.left + tabAreaInsets.right);
int index;
Rectangle[] rects = getRects();
for (index = lastIndex; 0 <= index; index--) {
width -= rects[index].width;
if (width < 0) {
break;
}
}
return ++index;
}
}
} class StopArrowButton extends BasicArrowButton {
public StopArrowButton(int direction) {
super(direction);
}
public void paintTriangle(Graphics g, int x, int y, int size,
int direction, boolean isEnabled) {
super.paintTriangle(g, x, y, size, direction, isEnabled);
Color c = g.getColor();
if (isEnabled) {
g.setColor(UIManager.getColor("controlDkShadow"));
} else {
g.setColor(UIManager.getColor("controlShadow"));
}
g.translate(x, y);
size = Math.max(size, 2);
int mid = size / 2;
int h = size - 1;
if (direction == WEST) {
g.drawLine(-1, mid - h, -1, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(0, mid - h + 1, 0, mid - 1);
g.drawLine(0, mid + 2, 0, mid + h + 1);
}
} else { // EAST
g.drawLine(size, mid - h, size, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(size + 1, mid - h + 1, size + 1, mid + h + 1);
}
}
g.setColor(c);
}
} interface TabbedPaneButton { }
</source>
Single Row Tabbed Pane Example 2
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html import java.awt.BorderLayout; import java.awt.Color; import java.awt.ruponent; import java.awt.Container; import java.awt.Dimension; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Insets; import java.awt.LayoutManager; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.Icon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.SwingConstants; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicArrowButton; import javax.swing.plaf.basic.BasicTabbedPaneUI; import javax.swing.plaf.metal.MetalTabbedPaneUI;
public class SingleRowTabbedPaneExample2 extends JPanel {
public SingleRowTabbedPaneExample2() {
setLayout(new BorderLayout());
SingleRowTabbedPane tabbedPane = new SingleRowTabbedPane(
SingleRowTabbedPane.TWO_BUTTONS, SwingConstants.RIGHT);
String tabs[] = {"One", "Two", "Three", "Four", "Five",
"Six", "Seven","Eight","Nine", "Ten" };
for (int i=0;i<tabs.length;i++) {
tabbedPane.addTab(tabs[i], createPane(tabs[i]));
}
tabbedPane.setSelectedIndex(0);
add(tabbedPane, BorderLayout.CENTER);
}
private JPanel createPane(String s) {
JPanel p = new JPanel();
p.add(new JLabel(s));
return p;
}
public static void main(String[] args) {
JFrame frame = new JFrame("Two buttons Example");
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
frame.getContentPane().add( new SingleRowTabbedPaneExample2() );
frame.setSize( 250, 100 );
frame.setVisible(true);
}
}
class SingleRowTabbedPane extends JTabbedPane {
public static final String ROTATE = "Rotate";
public static final String PREVIOUS = "Previous";
public static final String NEXT = "Next";
public static final String FIRST = "First";
public static final String LEFT_SHIFT = "Left";
public static final String RIGHT_SHIFT = "Right";
public static final String LAST = "Last";
public static final int ONE_BUTTON = 1; // ROTATE ;
public static final int TWO_BUTTONS = 2; // PREVIOUS | NEXT ;
public static final int FOUR_BUTTONS = 4; // FIRST | LEFT_SHIFT |
// RIGHT_SHIFT | LAST ;
protected int buttonPlacement;
protected int buttonCount;
protected JButton[] tabPaneButtons;
protected Dimension buttonSize;
protected int visibleCount;
protected int visibleStartIndex;
private final int BUTTON_WIDTH = 16;
private final int BUTTON_HEIGHT = 17;
public SingleRowTabbedPane() {
this(TWO_BUTTONS, RIGHT);
//this(ONE_BUTTON, RIGHT);
//this(FOUR_BUTTONS, LEFT);
}
public SingleRowTabbedPane(int buttonCount, int buttonPlacement) {
setButtonPreferredSize(new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT));
tabPaneButtons = createButtons(buttonCount);
this.buttonPlacement = buttonPlacement;
visibleStartIndex = 0;
setUI(new SingleRowTabbedPaneUI());
}
public void setTabPlacement(int tabPlacement) {
if (tabPlacement == LEFT || tabPlacement == RIGHT) {
throw new IllegalArgumentException("not suported: LEFT and RIGHT");
}
super.setTabPlacement(tabPlacement);
}
public int getButtonPlacement() {
return buttonPlacement;
}
public void setButtonPreferredSize(Dimension d) {
if (d != null) {
buttonSize = d;
}
}
public Dimension getButtonPreferredSize() {
return buttonSize;
}
public JButton[] getButtons() {
return tabPaneButtons;
}
public int getButtonCount() {
return buttonCount;
}
public void insertTab(String title, Icon icon, Component component,
String tip, int index) {
if (component instanceof TabbedPaneButton) {
if (component != null) {
component.setVisible(true);
addImpl(component, null, -1);
}
return;
}
super.insertTab(title, icon, component, tip, index);
}
public boolean isVisibleTab(int index) {
if ((visibleStartIndex <= index)
&& (index < visibleStartIndex + visibleCount)) {
return true;
} else {
return false;
}
}
public int getVisibleCount() {
return visibleCount;
}
public void setVisibleCount(int visibleCount) {
if (visibleCount < 0) {
return;
}
this.visibleCount = visibleCount;
}
public int getVisibleStartIndex() {
return visibleStartIndex;
}
public void setVisibleStartIndex(int visibleStartIndex) {
if (visibleStartIndex < 0 || getTabCount() <= visibleStartIndex) {
return;
}
this.visibleStartIndex = visibleStartIndex;
}
protected JButton[] createButtons(int buttonCount) {
JButton[] tabPaneButtons = null;
switch (buttonCount) {
case ONE_BUTTON:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(EAST);
tabPaneButtons[0].setActionCommand(ROTATE);
break;
case TWO_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(WEST);
tabPaneButtons[0].setActionCommand(PREVIOUS);
tabPaneButtons[1] = new PrevOrNextButton(EAST);
tabPaneButtons[1].setActionCommand(NEXT);
break;
case FOUR_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new FirstOrLastButton(WEST);
tabPaneButtons[0].setActionCommand(FIRST);
tabPaneButtons[1] = new PrevOrNextButton(WEST);
tabPaneButtons[1].setActionCommand(LEFT_SHIFT);
tabPaneButtons[2] = new PrevOrNextButton(EAST);
tabPaneButtons[2].setActionCommand(RIGHT_SHIFT);
tabPaneButtons[3] = new FirstOrLastButton(EAST);
tabPaneButtons[3].setActionCommand(LAST);
break;
default:
}
return tabPaneButtons;
}
class PrevOrNextButton extends BasicArrowButton implements TabbedPaneButton {
public PrevOrNextButton(int direction) {
super(direction);
}
}
class FirstOrLastButton extends StopArrowButton implements TabbedPaneButton {
public FirstOrLastButton(int direction) {
super(direction);
}
}
} class SingleRowTabbedPaneUI extends MetalTabbedPaneUI {
protected ActionListener[] buttonListeners;
public void installUI(JComponent c) {
this.tabPane = (JTabbedPane) c;
c.setLayout(createLayoutManager());
installDefaults();
installComponents();
installListeners();
installKeyboardActions();
runCount = 1;
selectedRun = 0;
}
public void uninstallUI(JComponent c) {
uninstallComponents();
super.uninstallUI(c);
}
protected LayoutManager createLayoutManager() {
return new SingleRowTabbedLayout(tabPane);
}
protected void installComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.add(buttons[i]);
}
}
protected void uninstallComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.remove(buttons[i]);
}
}
protected void installListeners() {
super.installListeners();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
JButton[] buttons = stabPane.getButtons();
int n = buttons.length;
buttonListeners = new ActionListener[n];
for (int i = 0; i < n; i++) {
buttonListeners[i] = null;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
int index = sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
return (index < sPane.getTabCount()) ? index : 0;
}
};
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getVisibleStartIndex() - 1);
}
};
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
}
};
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
buttonListeners[i] = new ShiftTabs();
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() - 1;
}
};
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() + 1;
}
};
} else if (str.equals(SingleRowTabbedPane.LAST)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getTabCount() - 1);
}
};
}
buttons[i].addActionListener(buttonListeners[i]);
}
}
protected void uninstallListeners() {
super.uninstallListeners();
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
buttons[i].removeActionListener(buttonListeners[i]);
}
}
public int tabForCoordinate(JTabbedPane pane, int x, int y) {
int tabCount = tabPane.getTabCount();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].contains(x, y)) {
return index;
}
}
return -1;
}
public void paint(Graphics g, JComponent c) {
int selectedIndex = tabPane.getSelectedIndex();
int tabPlacement = tabPane.getTabPlacement();
int tabCount = tabPane.getTabCount();
ensureCurrentLayout();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
Rectangle iconRect = new Rectangle(), textRect = new Rectangle();
Rectangle clipRect = g.getClipBounds();
Insets insets = tabPane.getInsets();
tabRuns[0] = visibleStartIndex;
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, index, iconRect, textRect);
}
}
if (stabPane.isVisibleTab(selectedIndex)) {
if (rects[selectedIndex].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, selectedIndex, iconRect,
textRect);
}
}
paintContentBorder(g, tabPlacement, selectedIndex);
}
protected void paintContentBorderTopEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(selectHighlight);
if (tabPlacement != TOP
|| selectedIndex < 0
|| (rects[selectedIndex].y + rects[selectedIndex].height + 1 < y)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y, x + w - 2, y);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y, selRect.x + 1, y);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y, x + w - 2, y);
} else {
g.setColor(shadow);
g.drawLine(x + w - 2, y, x + w - 2, y);
}
}
}
protected void paintContentBorderBottomEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(darkShadow);
if (tabPlacement != BOTTOM || selectedIndex < 0
|| (rects[selectedIndex].y - 1 > h)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y + h - 1, x + w - 1, y + h - 1);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y + h - 1, selRect.x, y + h - 1);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y + h - 1, x + w - 1, y
+ h - 1);
}
}
}
protected Insets getTabAreaInsets(int tabPlacement) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
int n = stabPane.getButtonCount();
int buttonPlacement = stabPane.getButtonPlacement();
Insets currentInsets = new Insets(0, 0, 0, 0);
if (tabPlacement == TOP) {
currentInsets.top = tabAreaInsets.top;
currentInsets.bottom = tabAreaInsets.bottom;
} else {
currentInsets.top = tabAreaInsets.bottom;
currentInsets.bottom = tabAreaInsets.top;
}
if (buttonPlacement == RIGHT) {
currentInsets.left = tabAreaInsets.left;
currentInsets.right = tabAreaInsets.right + n * d.width;
} else {
currentInsets.left = tabAreaInsets.left + n * d.width;
currentInsets.right = tabAreaInsets.right;
}
return currentInsets;
}
protected int lastTabInRun(int tabCount, int run) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
return stabPane.getVisibleStartIndex() + stabPane.getVisibleCount() - 1;
}
protected void ensureCurrentLayout() {
SingleRowTabbedLayout layout = (SingleRowTabbedLayout) tabPane
.getLayout();
layout.calculateLayoutInfo();
setButtonsEnabled();
}
protected void setButtonsEnabled() {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
JButton[] buttons = stabPane.getButtons();
boolean lEnable = 0 < visibleStartIndex;
boolean rEnable = visibleStartIndex + visibleCount < tabPane
.getTabCount();
for (int i = 0; i < buttons.length; i++) {
boolean enable = false;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
enable = lEnable || rEnable;
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.LAST)) {
enable = rEnable;
}
buttons[i].setEnabled(enable);
}
}
//
// Tab Navigation by Key
// (Not yet done)
//
protected void ensureVisibleTabAt(int index) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleEndIndex = visibleStartIndex + visibleCount - 1;
if (visibleStartIndex < index && index < visibleEndIndex) {
return;
}
int selectedIndex = tabPane.getSelectedIndex();
boolean directionIsRight = (0 < index - selectedIndex) ? true : false;
//if (directionIsRight) {
if (index <= visibleStartIndex) {
//System.out.println("dec");
if (visibleStartIndex == 0)
return;
stabPane.setVisibleStartIndex(--visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(++visibleStartIndex);
}
}
//} else {
if (visibleEndIndex <= index) {
//System.out.println("inc");
if (visibleStartIndex == visibleCount + 1)
return;
stabPane.setVisibleStartIndex(++visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(--visibleStartIndex);
}
}
//}
int c = stabPane.getVisibleCount();
int s = stabPane.getVisibleStartIndex();
}
protected void selectNextTab(int current) {
for (int i = current + 1; i < tabPane.getTabCount(); i++) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
protected void selectPreviousTab(int current) {
for (int i = current - 1; 0 <= i; i--) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
/*
* not used protected int getPreviousTabIndex(int base) { int tabIndex =
* base - 1; return (tabIndex < 0? 0: tabIndex); }
*
* protected int getNextTabIndex(int base) { int tabIndex = base + 1; return
* (tabPane.getTabCount() <= tabIndex? tabIndex-1: tabIndex); }
*/
//
// these methods exist for innerclass
//
void setMaxTabHeight(int maxTabHeight) {
this.maxTabHeight = maxTabHeight;
}
int getMaxTabHeight() {
return maxTabHeight;
}
Rectangle[] getRects() {
return rects;
}
SingleRowTabbedPane getTabbedPane() {
return (SingleRowTabbedPane) tabPane;
}
protected FontMetrics getFontMetrics() {
Font font = tabPane.getFont();
return Toolkit.getDefaultToolkit().getFontMetrics(font);
}
protected int calculateMaxTabHeight(int tabPlacement) {
return super.calculateMaxTabHeight(tabPlacement);
}
protected int calculateTabWidth(int tabPlacement, int tabIndex,
FontMetrics metrics) {
return super.calculateTabWidth(tabPlacement, tabIndex, metrics);
}
protected void assureRectsCreated(int tabCount) {
super.assureRectsCreated(tabCount);
}
//
// Layout
//
class SingleRowTabbedLayout extends BasicTabbedPaneUI.TabbedPaneLayout {
JTabbedPane tabPane;
SingleRowTabbedLayout(JTabbedPane tabPane) {
this.tabPane = tabPane;
}
public void layoutContainer(Container parent) {
super.layoutContainer(parent);
if (tabPane.getComponentCount() < 1) {
return;
}
int tabPlacement = tabPane.getTabPlacement();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
Insets insets = tabPane.getInsets();
Rectangle bounds = tabPane.getBounds();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
JButton[] buttons = stabPane.getButtons();
int buttonPlacement = stabPane.getButtonPlacement();
int x =0, y=0;
if (tabPlacement == TOP) { // TOP
y = bounds.y + insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = bounds.y + bounds.height - insets.bottom
- tabAreaInsets.bottom - maxTabHeight;
}
if (buttonPlacement == RIGHT) { // RIGHT
x = bounds.x + bounds.width - insets.right;
for (int i = buttons.length - 1; 0 <= i; i--) {
x -= d.width;
buttons[i].setBounds(x, y, d.width, d.height);
}
} else { // LEFT
x = bounds.x + insets.left;
for (int i = 0; i < buttons.length; i++) {
buttons[i].setBounds(x, y, d.width, d.height);
x += d.width;
}
}
}
public void calculateLayoutInfo() {
int tabCount = tabPane.getTabCount();
assureRectsCreated(tabCount);
calculateTabWidths(tabPane.getTabPlacement(), tabCount);
calculateTabRects(tabPane.getTabPlacement(), tabCount);
}
protected void calculateTabWidths(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
FontMetrics metrics = getFontMetrics();
int fontHeight = metrics.getHeight();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
setMaxTabHeight(maxTabHeight);
Rectangle[] rects = getRects();
for (int i = 0; i < tabCount; i++) {
rects[i].width = calculateTabWidth(tabPlacement, i, metrics);
rects[i].height = maxTabHeight;
}
}
protected void calculateTabRects(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension size = tabPane.getSize();
Insets insets = tabPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
int selectedIndex = tabPane.getSelectedIndex();
int maxTabHeight = getMaxTabHeight();
int x = insets.left + tabAreaInsets.left;
int y;
if (tabPlacement == TOP) {
y = insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = size.height - insets.bottom - tabAreaInsets.bottom
- maxTabHeight;
}
int returnAt = size.width - (insets.right + tabAreaInsets.right);
Rectangle[] rects = getRects();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleCount = 0;
for (int i = visibleStartIndex; i < tabCount; i++) {
Rectangle rect = rects[i];
if (visibleStartIndex < i) {
rect.x = rects[i - 1].x + rects[i - 1].width;
} else {
rect.x = x;
}
if (rect.x + rect.width > returnAt) {
break;
} else {
visibleCount++;
rect.y = y;
}
}
stabPane.setVisibleCount(visibleCount);
stabPane.setVisibleStartIndex(visibleStartIndex);
}
}
//
// Listener
//
protected class ShiftTabs implements ActionListener {
SingleRowTabbedPane sPane;
public void actionPerformed(ActionEvent e) {
sPane = getTabbedPane();
int index = getStartIndex();
sPane.setVisibleStartIndex(index);
sPane.repaint();
}
//public abstract int getStartIndex();
protected int getStartIndex() {
return 0; // first tab
}
protected int getStartIndex(int lastIndex) {
Insets insets = sPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(sPane.getTabPlacement());
int width = sPane.getSize().width - (insets.left + insets.right)
- (tabAreaInsets.left + tabAreaInsets.right);
int index;
Rectangle[] rects = getRects();
for (index = lastIndex; 0 <= index; index--) {
width -= rects[index].width;
if (width < 0) {
break;
}
}
return ++index;
}
}
} class StopArrowButton extends BasicArrowButton {
public StopArrowButton(int direction) {
super(direction);
}
public void paintTriangle(Graphics g, int x, int y, int size,
int direction, boolean isEnabled) {
super.paintTriangle(g, x, y, size, direction, isEnabled);
Color c = g.getColor();
if (isEnabled) {
g.setColor(UIManager.getColor("controlDkShadow"));
} else {
g.setColor(UIManager.getColor("controlShadow"));
}
g.translate(x, y);
size = Math.max(size, 2);
int mid = size / 2;
int h = size - 1;
if (direction == WEST) {
g.drawLine(-1, mid - h, -1, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(0, mid - h + 1, 0, mid - 1);
g.drawLine(0, mid + 2, 0, mid + h + 1);
}
} else { // EAST
g.drawLine(size, mid - h, size, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(size + 1, mid - h + 1, size + 1, mid + h + 1);
}
}
g.setColor(c);
}
} interface TabbedPaneButton { }
</source>
Single Row Tabbed Pane Example 4
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html import java.awt.BorderLayout; import java.awt.Color; import java.awt.ruponent; import java.awt.Container; import java.awt.Dimension; import java.awt.Font; import java.awt.FontMetrics; import java.awt.Graphics; import java.awt.Insets; import java.awt.LayoutManager; import java.awt.Rectangle; import java.awt.Toolkit; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.Icon; import javax.swing.JButton; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.SwingConstants; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicArrowButton; import javax.swing.plaf.basic.BasicTabbedPaneUI; import javax.swing.plaf.metal.MetalTabbedPaneUI; public class SingleRowTabbedPaneExample4 extends JPanel {
public SingleRowTabbedPaneExample4() {
setLayout(new BorderLayout());
SingleRowTabbedPane tabbedPane = new SingleRowTabbedPane(
SingleRowTabbedPane.FOUR_BUTTONS, SwingConstants.LEFT);
tabbedPane.setTabPlacement(JTabbedPane.BOTTOM);
String tabs[] = {"One", "Two", "Three", "Four", "Five",
"Six", "Seven","Eight","Nine", "Ten" };
for (int i=0;i<tabs.length;i++) {
tabbedPane.addTab(tabs[i], createPane(tabs[i]));
}
tabbedPane.setSelectedIndex(0);
add(tabbedPane, BorderLayout.CENTER);
}
private JPanel createPane(String s) {
JPanel p = new JPanel();
p.add(new JLabel(s));
return p;
}
public static void main(String[] args) {
JFrame frame = new JFrame("Four buttons Example");
frame.addWindowListener( new WindowAdapter() {
public void windowClosing( WindowEvent e ) {
System.exit(0);
}
});
frame.getContentPane().add( new SingleRowTabbedPaneExample4() );
frame.setSize( 250, 100 );
frame.setVisible(true);
}
}
class SingleRowTabbedPane extends JTabbedPane {
public static final String ROTATE = "Rotate";
public static final String PREVIOUS = "Previous";
public static final String NEXT = "Next";
public static final String FIRST = "First";
public static final String LEFT_SHIFT = "Left";
public static final String RIGHT_SHIFT = "Right";
public static final String LAST = "Last";
public static final int ONE_BUTTON = 1; // ROTATE ;
public static final int TWO_BUTTONS = 2; // PREVIOUS | NEXT ;
public static final int FOUR_BUTTONS = 4; // FIRST | LEFT_SHIFT |
// RIGHT_SHIFT | LAST ;
protected int buttonPlacement;
protected int buttonCount;
protected JButton[] tabPaneButtons;
protected Dimension buttonSize;
protected int visibleCount;
protected int visibleStartIndex;
private final int BUTTON_WIDTH = 16;
private final int BUTTON_HEIGHT = 17;
public SingleRowTabbedPane() {
this(TWO_BUTTONS, RIGHT);
//this(ONE_BUTTON, RIGHT);
//this(FOUR_BUTTONS, LEFT);
}
public SingleRowTabbedPane(int buttonCount, int buttonPlacement) {
setButtonPreferredSize(new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT));
tabPaneButtons = createButtons(buttonCount);
this.buttonPlacement = buttonPlacement;
visibleStartIndex = 0;
setUI(new SingleRowTabbedPaneUI());
}
public void setTabPlacement(int tabPlacement) {
if (tabPlacement == LEFT || tabPlacement == RIGHT) {
throw new IllegalArgumentException("not suported: LEFT and RIGHT");
}
super.setTabPlacement(tabPlacement);
}
public int getButtonPlacement() {
return buttonPlacement;
}
public void setButtonPreferredSize(Dimension d) {
if (d != null) {
buttonSize = d;
}
}
public Dimension getButtonPreferredSize() {
return buttonSize;
}
public JButton[] getButtons() {
return tabPaneButtons;
}
public int getButtonCount() {
return buttonCount;
}
public void insertTab(String title, Icon icon, Component component,
String tip, int index) {
if (component instanceof TabbedPaneButton) {
if (component != null) {
component.setVisible(true);
addImpl(component, null, -1);
}
return;
}
super.insertTab(title, icon, component, tip, index);
}
public boolean isVisibleTab(int index) {
if ((visibleStartIndex <= index)
&& (index < visibleStartIndex + visibleCount)) {
return true;
} else {
return false;
}
}
public int getVisibleCount() {
return visibleCount;
}
public void setVisibleCount(int visibleCount) {
if (visibleCount < 0) {
return;
}
this.visibleCount = visibleCount;
}
public int getVisibleStartIndex() {
return visibleStartIndex;
}
public void setVisibleStartIndex(int visibleStartIndex) {
if (visibleStartIndex < 0 || getTabCount() <= visibleStartIndex) {
return;
}
this.visibleStartIndex = visibleStartIndex;
}
protected JButton[] createButtons(int buttonCount) {
JButton[] tabPaneButtons = null;
switch (buttonCount) {
case ONE_BUTTON:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(EAST);
tabPaneButtons[0].setActionCommand(ROTATE);
break;
case TWO_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new PrevOrNextButton(WEST);
tabPaneButtons[0].setActionCommand(PREVIOUS);
tabPaneButtons[1] = new PrevOrNextButton(EAST);
tabPaneButtons[1].setActionCommand(NEXT);
break;
case FOUR_BUTTONS:
this.buttonCount = buttonCount;
tabPaneButtons = new JButton[buttonCount];
tabPaneButtons[0] = new FirstOrLastButton(WEST);
tabPaneButtons[0].setActionCommand(FIRST);
tabPaneButtons[1] = new PrevOrNextButton(WEST);
tabPaneButtons[1].setActionCommand(LEFT_SHIFT);
tabPaneButtons[2] = new PrevOrNextButton(EAST);
tabPaneButtons[2].setActionCommand(RIGHT_SHIFT);
tabPaneButtons[3] = new FirstOrLastButton(EAST);
tabPaneButtons[3].setActionCommand(LAST);
break;
default:
}
return tabPaneButtons;
}
class PrevOrNextButton extends BasicArrowButton implements TabbedPaneButton {
public PrevOrNextButton(int direction) {
super(direction);
}
}
class FirstOrLastButton extends StopArrowButton implements TabbedPaneButton {
public FirstOrLastButton(int direction) {
super(direction);
}
}
} class SingleRowTabbedPaneUI extends MetalTabbedPaneUI {
protected ActionListener[] buttonListeners;
public void installUI(JComponent c) {
this.tabPane = (JTabbedPane) c;
c.setLayout(createLayoutManager());
installDefaults();
installComponents();
installListeners();
installKeyboardActions();
runCount = 1;
selectedRun = 0;
}
public void uninstallUI(JComponent c) {
uninstallComponents();
super.uninstallUI(c);
}
protected LayoutManager createLayoutManager() {
return new SingleRowTabbedLayout(tabPane);
}
protected void installComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.add(buttons[i]);
}
}
protected void uninstallComponents() {
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
tabPane.remove(buttons[i]);
}
}
protected void installListeners() {
super.installListeners();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
JButton[] buttons = stabPane.getButtons();
int n = buttons.length;
buttonListeners = new ActionListener[n];
for (int i = 0; i < n; i++) {
buttonListeners[i] = null;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
int index = sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
return (index < sPane.getTabCount()) ? index : 0;
}
};
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getVisibleStartIndex() - 1);
}
};
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex()
+ sPane.getVisibleCount();
}
};
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
buttonListeners[i] = new ShiftTabs();
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() - 1;
}
};
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return sPane.getVisibleStartIndex() + 1;
}
};
} else if (str.equals(SingleRowTabbedPane.LAST)) {
buttonListeners[i] = new ShiftTabs() {
protected int getStartIndex() {
return getStartIndex(sPane.getTabCount() - 1);
}
};
}
buttons[i].addActionListener(buttonListeners[i]);
}
}
protected void uninstallListeners() {
super.uninstallListeners();
JButton[] buttons = ((SingleRowTabbedPane) tabPane).getButtons();
for (int i = 0; i < buttons.length; i++) {
buttons[i].removeActionListener(buttonListeners[i]);
}
}
public int tabForCoordinate(JTabbedPane pane, int x, int y) {
int tabCount = tabPane.getTabCount();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].contains(x, y)) {
return index;
}
}
return -1;
}
public void paint(Graphics g, JComponent c) {
int selectedIndex = tabPane.getSelectedIndex();
int tabPlacement = tabPane.getTabPlacement();
int tabCount = tabPane.getTabCount();
ensureCurrentLayout();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
Rectangle iconRect = new Rectangle(), textRect = new Rectangle();
Rectangle clipRect = g.getClipBounds();
Insets insets = tabPane.getInsets();
tabRuns[0] = visibleStartIndex;
for (int i = 0, index = visibleStartIndex; i < visibleCount; i++, index++) {
if (rects[index].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, index, iconRect, textRect);
}
}
if (stabPane.isVisibleTab(selectedIndex)) {
if (rects[selectedIndex].intersects(clipRect)) {
paintTab(g, tabPlacement, rects, selectedIndex, iconRect,
textRect);
}
}
paintContentBorder(g, tabPlacement, selectedIndex);
}
protected void paintContentBorderTopEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(selectHighlight);
if (tabPlacement != TOP
|| selectedIndex < 0
|| (rects[selectedIndex].y + rects[selectedIndex].height + 1 < y)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y, x + w - 2, y);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y, selRect.x + 1, y);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y, x + w - 2, y);
} else {
g.setColor(shadow);
g.drawLine(x + w - 2, y, x + w - 2, y);
}
}
}
protected void paintContentBorderBottomEdge(Graphics g, int tabPlacement,
int selectedIndex, int x, int y, int w, int h) {
g.setColor(darkShadow);
if (tabPlacement != BOTTOM || selectedIndex < 0
|| (rects[selectedIndex].y - 1 > h)
|| !((SingleRowTabbedPane) tabPane).isVisibleTab(selectedIndex)) {
g.drawLine(x, y + h - 1, x + w - 1, y + h - 1);
} else {
Rectangle selRect = rects[selectedIndex];
g.drawLine(x, y + h - 1, selRect.x, y + h - 1);
if (selRect.x + selRect.width < x + w - 2) {
g.drawLine(selRect.x + selRect.width, y + h - 1, x + w - 1, y
+ h - 1);
}
}
}
protected Insets getTabAreaInsets(int tabPlacement) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
int n = stabPane.getButtonCount();
int buttonPlacement = stabPane.getButtonPlacement();
Insets currentInsets = new Insets(0, 0, 0, 0);
if (tabPlacement == TOP) {
currentInsets.top = tabAreaInsets.top;
currentInsets.bottom = tabAreaInsets.bottom;
} else {
currentInsets.top = tabAreaInsets.bottom;
currentInsets.bottom = tabAreaInsets.top;
}
if (buttonPlacement == RIGHT) {
currentInsets.left = tabAreaInsets.left;
currentInsets.right = tabAreaInsets.right + n * d.width;
} else {
currentInsets.left = tabAreaInsets.left + n * d.width;
currentInsets.right = tabAreaInsets.right;
}
return currentInsets;
}
protected int lastTabInRun(int tabCount, int run) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
return stabPane.getVisibleStartIndex() + stabPane.getVisibleCount() - 1;
}
protected void ensureCurrentLayout() {
SingleRowTabbedLayout layout = (SingleRowTabbedLayout) tabPane
.getLayout();
layout.calculateLayoutInfo();
setButtonsEnabled();
}
protected void setButtonsEnabled() {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
JButton[] buttons = stabPane.getButtons();
boolean lEnable = 0 < visibleStartIndex;
boolean rEnable = visibleStartIndex + visibleCount < tabPane
.getTabCount();
for (int i = 0; i < buttons.length; i++) {
boolean enable = false;
String str = buttons[i].getActionCommand();
if (str.equals(SingleRowTabbedPane.ROTATE)) {
enable = lEnable || rEnable;
} else if (str.equals(SingleRowTabbedPane.PREVIOUS)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.NEXT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.FIRST)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.LEFT_SHIFT)) {
enable = lEnable;
} else if (str.equals(SingleRowTabbedPane.RIGHT_SHIFT)) {
enable = rEnable;
} else if (str.equals(SingleRowTabbedPane.LAST)) {
enable = rEnable;
}
buttons[i].setEnabled(enable);
}
}
//
// Tab Navigation by Key
// (Not yet done)
//
protected void ensureVisibleTabAt(int index) {
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
int visibleCount = stabPane.getVisibleCount();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleEndIndex = visibleStartIndex + visibleCount - 1;
if (visibleStartIndex < index && index < visibleEndIndex) {
return;
}
int selectedIndex = tabPane.getSelectedIndex();
boolean directionIsRight = (0 < index - selectedIndex) ? true : false;
//if (directionIsRight) {
if (index <= visibleStartIndex) {
//System.out.println("dec");
if (visibleStartIndex == 0)
return;
stabPane.setVisibleStartIndex(--visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(++visibleStartIndex);
}
}
//} else {
if (visibleEndIndex <= index) {
//System.out.println("inc");
if (visibleStartIndex == visibleCount + 1)
return;
stabPane.setVisibleStartIndex(++visibleStartIndex);
((SingleRowTabbedLayout) tabPane.getLayout()).calculateLayoutInfo();
int count = stabPane.getVisibleCount();
int startIndex = stabPane.getVisibleStartIndex();
if (startIndex <= index && index <= startIndex + count - 1) {
} else {
stabPane.setVisibleStartIndex(--visibleStartIndex);
}
}
//}
int c = stabPane.getVisibleCount();
int s = stabPane.getVisibleStartIndex();
}
protected void selectNextTab(int current) {
for (int i = current + 1; i < tabPane.getTabCount(); i++) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
protected void selectPreviousTab(int current) {
for (int i = current - 1; 0 <= i; i--) {
if (tabPane.isEnabledAt(i)) {
ensureVisibleTabAt(i);
tabPane.setSelectedIndex(i);
break;
}
}
}
/*
* not used protected int getPreviousTabIndex(int base) { int tabIndex =
* base - 1; return (tabIndex < 0? 0: tabIndex); }
*
* protected int getNextTabIndex(int base) { int tabIndex = base + 1; return
* (tabPane.getTabCount() <= tabIndex? tabIndex-1: tabIndex); }
*/
//
// these methods exist for innerclass
//
void setMaxTabHeight(int maxTabHeight) {
this.maxTabHeight = maxTabHeight;
}
int getMaxTabHeight() {
return maxTabHeight;
}
Rectangle[] getRects() {
return rects;
}
SingleRowTabbedPane getTabbedPane() {
return (SingleRowTabbedPane) tabPane;
}
protected FontMetrics getFontMetrics() {
Font font = tabPane.getFont();
return Toolkit.getDefaultToolkit().getFontMetrics(font);
}
protected int calculateMaxTabHeight(int tabPlacement) {
return super.calculateMaxTabHeight(tabPlacement);
}
protected int calculateTabWidth(int tabPlacement, int tabIndex,
FontMetrics metrics) {
return super.calculateTabWidth(tabPlacement, tabIndex, metrics);
}
protected void assureRectsCreated(int tabCount) {
super.assureRectsCreated(tabCount);
}
//
// Layout
//
class SingleRowTabbedLayout extends BasicTabbedPaneUI.TabbedPaneLayout {
JTabbedPane tabPane;
SingleRowTabbedLayout(JTabbedPane tabPane) {
this.tabPane = tabPane;
}
public void layoutContainer(Container parent) {
super.layoutContainer(parent);
if (tabPane.getComponentCount() < 1) {
return;
}
int tabPlacement = tabPane.getTabPlacement();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
Insets insets = tabPane.getInsets();
Rectangle bounds = tabPane.getBounds();
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension d = stabPane.getButtonPreferredSize();
JButton[] buttons = stabPane.getButtons();
int buttonPlacement = stabPane.getButtonPlacement();
int x, y;
if (tabPlacement == TOP) { // TOP
y = bounds.y + insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = bounds.y + bounds.height - insets.bottom
- tabAreaInsets.bottom - maxTabHeight;
}
if (buttonPlacement == RIGHT) { // RIGHT
x = bounds.x + bounds.width - insets.right;
for (int i = buttons.length - 1; 0 <= i; i--) {
x -= d.width;
buttons[i].setBounds(x, y, d.width, d.height);
}
} else { // LEFT
x = bounds.x + insets.left;
for (int i = 0; i < buttons.length; i++) {
buttons[i].setBounds(x, y, d.width, d.height);
x += d.width;
}
}
}
public void calculateLayoutInfo() {
int tabCount = tabPane.getTabCount();
assureRectsCreated(tabCount);
calculateTabWidths(tabPane.getTabPlacement(), tabCount);
calculateTabRects(tabPane.getTabPlacement(), tabCount);
}
protected void calculateTabWidths(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
FontMetrics metrics = getFontMetrics();
int fontHeight = metrics.getHeight();
int maxTabHeight = calculateMaxTabHeight(tabPlacement);
setMaxTabHeight(maxTabHeight);
Rectangle[] rects = getRects();
for (int i = 0; i < tabCount; i++) {
rects[i].width = calculateTabWidth(tabPlacement, i, metrics);
rects[i].height = maxTabHeight;
}
}
protected void calculateTabRects(int tabPlacement, int tabCount) {
if (tabCount == 0) {
return;
}
SingleRowTabbedPane stabPane = (SingleRowTabbedPane) tabPane;
Dimension size = tabPane.getSize();
Insets insets = tabPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(tabPlacement);
int selectedIndex = tabPane.getSelectedIndex();
int maxTabHeight = getMaxTabHeight();
int x = insets.left + tabAreaInsets.left;
int y;
if (tabPlacement == TOP) {
y = insets.top + tabAreaInsets.top;
} else { // BOTTOM
y = size.height - insets.bottom - tabAreaInsets.bottom
- maxTabHeight;
}
int returnAt = size.width - (insets.right + tabAreaInsets.right);
Rectangle[] rects = getRects();
int visibleStartIndex = stabPane.getVisibleStartIndex();
int visibleCount = 0;
for (int i = visibleStartIndex; i < tabCount; i++) {
Rectangle rect = rects[i];
if (visibleStartIndex < i) {
rect.x = rects[i - 1].x + rects[i - 1].width;
} else {
rect.x = x;
}
if (rect.x + rect.width > returnAt) {
break;
} else {
visibleCount++;
rect.y = y;
}
}
stabPane.setVisibleCount(visibleCount);
stabPane.setVisibleStartIndex(visibleStartIndex);
}
}
//
// Listener
//
protected class ShiftTabs implements ActionListener {
SingleRowTabbedPane sPane;
public void actionPerformed(ActionEvent e) {
sPane = getTabbedPane();
int index = getStartIndex();
sPane.setVisibleStartIndex(index);
sPane.repaint();
}
//public abstract int getStartIndex();
protected int getStartIndex() {
return 0; // first tab
}
protected int getStartIndex(int lastIndex) {
Insets insets = sPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets(sPane.getTabPlacement());
int width = sPane.getSize().width - (insets.left + insets.right)
- (tabAreaInsets.left + tabAreaInsets.right);
int index;
Rectangle[] rects = getRects();
for (index = lastIndex; 0 <= index; index--) {
width -= rects[index].width;
if (width < 0) {
break;
}
}
return ++index;
}
}
} class StopArrowButton extends BasicArrowButton {
public StopArrowButton(int direction) {
super(direction);
}
public void paintTriangle(Graphics g, int x, int y, int size,
int direction, boolean isEnabled) {
super.paintTriangle(g, x, y, size, direction, isEnabled);
Color c = g.getColor();
if (isEnabled) {
g.setColor(UIManager.getColor("controlDkShadow"));
} else {
g.setColor(UIManager.getColor("controlShadow"));
}
g.translate(x, y);
size = Math.max(size, 2);
int mid = size / 2;
int h = size - 1;
if (direction == WEST) {
g.drawLine(-1, mid - h, -1, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(0, mid - h + 1, 0, mid - 1);
g.drawLine(0, mid + 2, 0, mid + h + 1);
}
} else { // EAST
g.drawLine(size, mid - h, size, mid + h);
if (!isEnabled) {
g.setColor(UIManager.getColor("controlLtHighlight"));
g.drawLine(size + 1, mid - h + 1, size + 1, mid + h + 1);
}
}
g.setColor(c);
}
} interface TabbedPaneButton { }
</source>
Swing Windows (Eclipse) like TabbedPanel
Tab Color Example
<source lang="java">
// Example from http://www.crionics.ru/products/opensource/faq/swing_ex/SwingExamples.html
import java.awt.BorderLayout; import java.awt.Color; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTabbedPane; import javax.swing.UIManager; /**
* @version 1.1 06/02/99 */
public class TabColorExample extends JPanel {
public TabColorExample() {
setLayout(new BorderLayout());
UIManager.put("TabbedPane.selected", Color.green);
JTabbedPane tabbedPane = new JTabbedPane();
String tabs[] = { "One", "Two", "Three", "Four" };
Color[] colors = { null, Color.red, null, null };
for (int i = 0; i < tabs.length; i++) {
tabbedPane.addTab(tabs[i], createPane(tabs[i]));
tabbedPane.setBackgroundAt(i, colors[i]);
}
tabbedPane.setSelectedIndex(0);
add(tabbedPane, BorderLayout.CENTER);
}
JPanel createPane(String s) {
JPanel p = new JPanel();
p.add(new JLabel(s));
return p;
}
public static void main(String[] args) {
JFrame frame = new JFrame("Tab color Example");
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
frame.getContentPane().add(new TabColorExample());
frame.setSize(200, 100);
frame.setVisible(true);
}
}
</source>
