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Flat Look and Feel addon for JIDE Common Layer
/*
* Copyright 2019 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.formdev.flatlaf.jideoss.ui;
import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_HAS_FULL_BORDER;
import static com.formdev.flatlaf.FlatClientProperties.TABBED_PANE_SHOW_TAB_SEPARATORS;
import static com.formdev.flatlaf.FlatClientProperties.clientPropertyBoolean;
import static com.formdev.flatlaf.util.UIScale.scale;
import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Path2D;
import java.awt.geom.Rectangle2D;
import java.beans.PropertyChangeListener;
import javax.swing.Icon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import com.formdev.flatlaf.icons.FlatTabbedPaneCloseIcon;
import com.formdev.flatlaf.ui.FlatUIUtils;
import com.formdev.flatlaf.util.Graphics2DProxy;
import com.formdev.flatlaf.util.UIScale;
import com.jidesoft.plaf.LookAndFeelFactory;
import com.jidesoft.plaf.UIDefaultsLookup;
import com.jidesoft.plaf.basic.BasicJideTabbedPaneUI;
import com.jidesoft.swing.JideTabbedPane;
import com.jidesoft.swing.JideTabbedPane.NoFocusButton;
/**
* Provides the Flat LaF UI delegate for {@link com.jidesoft.swing.JideTabbedPane}.
*
* @author Karl Tauber
*/
public class FlatJideTabbedPaneUI
extends BasicJideTabbedPaneUI
{
protected Color foreground;
protected Color disabledForeground;
protected Color selectedBackground;
protected Color underlineColor;
protected Color disabledUnderlineColor;
protected Color hoverColor;
protected Color focusColor;
protected Color tabSeparatorColor;
protected Color contentAreaColor;
protected int tabHeight;
protected int tabSelectionHeight;
protected int contentSeparatorHeight;
protected boolean showTabSeparators;
protected boolean tabSeparatorsFullHeight;
protected boolean hasFullBorder;
protected boolean tabsOverlapBorder;
protected Icon closeIcon;
protected Icon arrowIcon;
protected String arrowType;
protected Insets buttonInsets;
protected int buttonArc;
protected Color buttonHoverBackground;
protected Color buttonPressedBackground;
protected int closeButtonLeftMarginUnscaled;
protected int closeButtonRightMarginUnscaled;
private Object[] oldRenderingHints;
public static ComponentUI createUI( JComponent c ) {
// usually JIDE would invoke this in JideTabbedPane.updateUI(),
// but it does not because FlatLaf already has added the UI class to the UI defaults
LookAndFeelFactory.installJideExtension();
return new FlatJideTabbedPaneUI();
}
@Override
protected void installDefaults() {
super.installDefaults();
_background = UIDefaultsLookup.getColor( "JideTabbedPane.background" );
foreground = UIManager.getColor( "TabbedPane.foreground" );
disabledForeground = UIManager.getColor( "TabbedPane.disabledForeground" );
selectedBackground = UIManager.getColor( "TabbedPane.selectedBackground" );
underlineColor = UIManager.getColor( "TabbedPane.underlineColor" );
disabledUnderlineColor = UIManager.getColor( "TabbedPane.disabledUnderlineColor" );
hoverColor = UIManager.getColor( "TabbedPane.hoverColor" );
focusColor = UIManager.getColor( "TabbedPane.focusColor" );
tabSeparatorColor = UIManager.getColor( "TabbedPane.tabSeparatorColor" );
contentAreaColor = UIManager.getColor( "TabbedPane.contentAreaColor" );
tabHeight = UIManager.getInt( "TabbedPane.tabHeight" );
tabSelectionHeight = UIManager.getInt( "TabbedPane.tabSelectionHeight" );
contentSeparatorHeight = UIManager.getInt( "TabbedPane.contentSeparatorHeight" );
showTabSeparators = UIManager.getBoolean( "TabbedPane.showTabSeparators" );
tabSeparatorsFullHeight = UIManager.getBoolean( "TabbedPane.tabSeparatorsFullHeight" );
hasFullBorder = UIManager.getBoolean( "TabbedPane.hasFullBorder" );
tabsOverlapBorder = UIManager.getBoolean( "TabbedPane.tabsOverlapBorder" );
arrowType = UIManager.getString( "TabbedPane.arrowType" );
buttonInsets = UIManager.getInsets( "TabbedPane.buttonInsets" );
buttonArc = UIManager.getInt( "TabbedPane.buttonArc" );
buttonHoverBackground = UIManager.getColor( "TabbedPane.buttonHoverBackground" );
buttonPressedBackground = UIManager.getColor( "TabbedPane.buttonPressedBackground" );
closeButtonLeftMarginUnscaled = _closeButtonLeftMargin;
closeButtonRightMarginUnscaled = _closeButtonRightMargin;
// scale
_textIconGap = scale( _textIconGap );
tabHeight = scale( tabHeight );
tabSelectionHeight = scale( tabSelectionHeight );
}
@Override
protected void uninstallDefaults() {
super.uninstallDefaults();
foreground = null;
disabledForeground = null;
selectedBackground = null;
underlineColor = null;
disabledUnderlineColor = null;
hoverColor = null;
focusColor = null;
tabSeparatorColor = null;
contentAreaColor = null;
buttonHoverBackground = null;
buttonPressedBackground = null;
}
@Override
protected void installComponents() {
super.installComponents();
closeIcon = new FlatJideTabCloseIcon();
arrowIcon = new FlatJideTabAreaArrowIcon();
if( _tabScroller != null ) {
_tabScroller.scrollForwardButton.setIcon( arrowIcon );
_tabScroller.scrollBackwardButton.setIcon( arrowIcon );
_tabScroller.listButton.setIcon( arrowIcon );
_tabScroller.closeButton.setIcon( closeIcon );
_tabScroller.scrollForwardButton.setContentAreaFilled( false );
_tabScroller.scrollBackwardButton.setContentAreaFilled( false );
_tabScroller.listButton.setContentAreaFilled( false );
_tabScroller.closeButton.setContentAreaFilled( false );
}
}
@Override
protected void uninstallComponents() {
super.uninstallComponents();
closeIcon = null;
arrowIcon = null;
}
@Override
protected PropertyChangeListener createPropertyChangeListener() {
PropertyChangeListener superListener = super.createPropertyChangeListener();
return e -> {
superListener.propertyChange( e );
switch( e.getPropertyName() ) {
case JideTabbedPane.PROPERTY_SELECTED_INDEX:
repaintTab( (Integer) e.getOldValue() );
repaintTab( (Integer) e.getNewValue() );
break;
case JideTabbedPane.PROPERTY_TAB_AREA_INSETS:
case JideTabbedPane.PROPERTY_TAB_INSETS:
case JideTabbedPane.GRIPPER_PROPERTY:
case TABBED_PANE_SHOW_TAB_SEPARATORS:
case TABBED_PANE_HAS_FULL_BORDER:
_tabPane.revalidate();
_tabPane.repaint();
break;
}
};
}
private void repaintTab( int tabIndex ) {
if( tabIndex < 0 || tabIndex >= _tabPane.getTabCount() )
return;
Rectangle r = getTabBounds( _tabPane, tabIndex );
if( r != null )
_tabPane.repaint( r );
}
@Override
protected MouseListener createMouseListener() {
return new RolloverMouseHandler();
}
@Override
protected MouseMotionListener createMouseMotionListener() {
return new RolloverMouseMotionHandler();
}
@Override
protected LayoutManager createLayoutManager() {
return (_tabPane.getTabLayoutPolicy() == JideTabbedPane.SCROLL_TAB_LAYOUT)
? new FlatJideTabbedPaneScrollLayout()
: super.createLayoutManager();
}
@Override
protected int calculateTabHeight( int tabPlacement, int tabIndex, FontMetrics metrics ) {
updateCloseButtonMargins();
return Math.max( tabHeight, super.calculateTabHeight( tabPlacement, tabIndex, metrics ) );
}
@Override
protected int calculateTabWidth( int tabPlacement, int tabIndex, FontMetrics metrics ) {
updateCloseButtonMargins();
return Math.max( tabHeight, super.calculateTabWidth( tabPlacement, tabIndex, metrics ) - 3 );
}
@Override
protected Insets getTabInsets( int tabPlacement, int tabIndex ) {
return scale( super.getTabInsets( tabPlacement, tabIndex ) );
}
@Override
protected Insets getSelectedTabPadInsets( int tabPlacement ) {
return scale( super.getSelectedTabPadInsets( tabPlacement ) );
}
@Override
protected Insets getTabAreaInsets( int tabPlacement ) {
return scale( super.getTabAreaInsets( tabPlacement ) );
}
@Override
protected int getTabShape() {
return JideTabbedPane.SHAPE_BOX;
}
@Override
protected int getLeftMargin() {
return 0;
}
@Override
protected int getTabGap() {
return 0;
}
@Override
protected int getLayoutSize() {
return 0;
}
@Override
protected int getTabRightPadding() {
return 0;
}
/**
* The content border insets are used to create a separator between tabs and content.
* If client property JTabbedPane.hasFullBorder is true, then the content border insets
* are also used for the border.
*/
@Override
protected Insets getContentBorderInsets( int tabPlacement ) {
return FlatUIUtils.addInsets( getContentBorderInsets0( tabPlacement ),
scale( super.getContentBorderInsets( tabPlacement ) ) );
}
private Insets getContentBorderInsets0( int tabPlacement ) {
boolean hasFullBorder = clientPropertyBoolean( _tabPane, TABBED_PANE_HAS_FULL_BORDER, this.hasFullBorder );
int sh = scale( contentSeparatorHeight );
Insets insets = hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 );
Insets contentBorderInsets = new Insets( 0, 0, 0, 0 );
rotateInsets( insets, contentBorderInsets, tabPlacement );
return contentBorderInsets;
}
@Override
public void update( Graphics g, JComponent c ) {
oldRenderingHints = FlatUIUtils.setRenderingHints( g );
super.update( g, c );
FlatUIUtils.resetRenderingHints( g, oldRenderingHints );
oldRenderingHints = null;
}
@Override
public void paint( Graphics g, JComponent c ) {
super.paint( g, c );
// must paint tab area after content border was painted
if( !scrollableTabLayoutEnabled() && _tabPane.getTabCount() > 0 )
paintTabArea( g, _tabPane.getTabPlacement(), _tabPane.getSelectedIndex(), c );
}
@Override
protected void paintTabBackground( Graphics g, int tabPlacement, int tabIndex,
int x, int y, int w, int h, boolean isSelected )
{
// paint tab background
boolean enabled = _tabPane.isEnabled();
g.setColor( enabled && _tabPane.isEnabledAt( tabIndex ) &&
(_indexMouseOver == tabIndex || (_closeButtons != null && ((JideTabbedPane.NoFocusButton)_closeButtons[tabIndex]).isMouseOver()))
? hoverColor
: (enabled && isSelected && FlatUIUtils.isPermanentFocusOwner( _tabPane )
? focusColor
: (selectedBackground != null && enabled && isSelected
? selectedBackground
: _tabPane.getBackgroundAt( tabIndex ))) );
g.fillRect( x, y, w, h );
}
@Override
protected void paintText( Graphics g, int tabPlacement, Font font, FontMetrics metrics,
int tabIndex, String title, Rectangle textRect, boolean isSelected )
{
if( !_tabPane.isEnabled() || !_tabPane.isEnabledAt( tabIndex ) ) {
// super method paints disabled text twice with different colors
// and one pixel offset to simulate disabled text
// --> draw only once with disabledForeground
class DisabledTextGraphics extends Graphics2DProxy {
private int count;
public DisabledTextGraphics( Graphics delegate ) {
super( (Graphics2D) delegate );
}
@Override
public Graphics create() {
return new DisabledTextGraphics( super.create() );
}
@Override
public void drawString( String str, int x, int y ) {
count++;
if( (count % 2) != 1 )
return;
setColor( disabledForeground );
super.drawString( str, x, y );
}
}
g = new DisabledTextGraphics( g );
}
Graphics g2 = g;
FlatUIUtils.runWithoutRenderingHints( g, oldRenderingHints, () -> {
super.paintText( g2, tabPlacement, font, metrics, tabIndex, title, textRect, isSelected );
} );
}
@Override
protected void paintTabBorder( Graphics g, int tabPlacement, int tabIndex, int x, int y, int w, int h,
boolean isSelected )
{
// paint tab separators
if( clientPropertyBoolean( _tabPane, TABBED_PANE_SHOW_TAB_SEPARATORS, showTabSeparators ) &&
!isLastInRun( tabIndex ) )
paintTabSeparator( g, tabPlacement, x, y, w, h );
if( isSelected )
paintTabSelection( g, tabPlacement, x, y, w, h );
}
protected void paintTabSeparator( Graphics g, int tabPlacement, int x, int y, int w, int h ) {
float sepWidth = UIScale.scale( 1f );
float offset = tabSeparatorsFullHeight ? 0 : UIScale.scale( 5f );
g.setColor( (tabSeparatorColor != null) ? tabSeparatorColor : contentAreaColor );
if( tabPlacement == LEFT || tabPlacement == RIGHT ) {
// paint tab separator at bottom side
((Graphics2D)g).fill( new Rectangle2D.Float( x + offset, y + h - sepWidth, w - (offset * 2), sepWidth ) );
} else if( _tabPane.getComponentOrientation().isLeftToRight() ) {
// paint tab separator at right side
((Graphics2D)g).fill( new Rectangle2D.Float( x + w - sepWidth, y + offset, sepWidth, h - (offset * 2) ) );
} else {
// paint tab separator at left side
((Graphics2D)g).fill( new Rectangle2D.Float( x, y + offset, sepWidth, h - (offset * 2) ) );
}
}
protected void paintTabSelection( Graphics g, int tabPlacement, int x, int y, int w, int h ) {
if( !_tabPane.isTabShown() )
return;
// increase clip bounds in scroll-tab-layout to paint over the separator line
Rectangle clipBounds = scrollableTabLayoutEnabled() ? g.getClipBounds() : null;
if( clipBounds != null ) {
Rectangle newClipBounds = new Rectangle( clipBounds );
int contentSeparatorHeight = scale( this.contentSeparatorHeight );
switch( tabPlacement ) {
case TOP:
default:
newClipBounds.height += contentSeparatorHeight;
break;
case BOTTOM:
newClipBounds.y -= contentSeparatorHeight;
newClipBounds.height += contentSeparatorHeight;
break;
case LEFT:
newClipBounds.width += contentSeparatorHeight;
break;
case RIGHT:
newClipBounds.x -= contentSeparatorHeight;
newClipBounds.width += contentSeparatorHeight;
break;
}
g.setClip( newClipBounds );
}
g.setColor( _tabPane.isEnabled() ? underlineColor : disabledUnderlineColor );
Insets contentInsets = getContentBorderInsets0( tabPlacement );
// paint underline selection
switch( tabPlacement ) {
case TOP:
default:
int sy = y + h + contentInsets.top - tabSelectionHeight;
g.fillRect( x, sy, w, tabSelectionHeight );
break;
case BOTTOM:
g.fillRect( x, y - contentInsets.bottom, w, tabSelectionHeight );
break;
case LEFT:
int sx = x + w + contentInsets.left - tabSelectionHeight;
g.fillRect( sx, y, tabSelectionHeight, h );
break;
case RIGHT:
g.fillRect( x - contentInsets.right, y, tabSelectionHeight, h );
break;
}
if( clipBounds != null )
g.setClip( clipBounds );
}
/**
* Actually does the nearly the same as super.paintContentBorder() but
* - not invoking paintContentBorder*Edge() methods
* - repaint selection
*/
@Override
protected void paintContentBorder( Graphics g, int tabPlacement, int selectedIndex ) {
if( !_tabPane.isTabShown() )
return;
Insets insets = _tabPane.getInsets();
Insets tabAreaInsets = getTabAreaInsets( tabPlacement );
int x = insets.left;
int y = insets.top;
int w = _tabPane.getWidth() - insets.right - insets.left;
int h = _tabPane.getHeight() - insets.top - insets.bottom;
Dimension lsize = isTabLeadingComponentVisible() ? _tabLeadingComponent.getPreferredSize() : new Dimension();
Dimension tsize = isTabTrailingComponentVisible() ? _tabTrailingComponent.getPreferredSize() : new Dimension();
// remove tabs from bounds
switch( tabPlacement ) {
case LEFT:
x += Math.max( calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth ),
Math.max( lsize.width, tsize.width ) );
if( tabsOverlapBorder )
x -= tabAreaInsets.right;
w -= (x - insets.left);
break;
case RIGHT:
w -= calculateTabAreaWidth( tabPlacement, _runCount, _maxTabWidth );
if( tabsOverlapBorder )
w += tabAreaInsets.left;
break;
case BOTTOM:
h -= calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight );
if( tabsOverlapBorder )
h += tabAreaInsets.top;
break;
case TOP:
default:
y += Math.max( calculateTabAreaHeight( tabPlacement, _runCount, _maxTabHeight ),
Math.max( lsize.height, tsize.height ) );
if( tabsOverlapBorder )
y -= tabAreaInsets.bottom;
h -= (y - insets.top);
}
// compute insets for separator or full border
boolean hasFullBorder = clientPropertyBoolean( _tabPane, TABBED_PANE_HAS_FULL_BORDER, this.hasFullBorder );
int sh = scale( contentSeparatorHeight * 100 ); // multiply by 100 because rotateInsets() does not use floats
Insets ci = new Insets( 0, 0, 0, 0 );
rotateInsets( hasFullBorder ? new Insets( sh, sh, sh, sh ) : new Insets( sh, 0, 0, 0 ), ci, tabPlacement );
// paint content area
g.setColor( contentAreaColor );
Path2D path = new Path2D.Float( Path2D.WIND_EVEN_ODD );
path.append( new Rectangle2D.Float( x, y, w, h ), false );
path.append( new Rectangle2D.Float( x + (ci.left / 100f), y + (ci.top / 100f),
w - (ci.left / 100f) - (ci.right / 100f), h - (ci.top / 100f) - (ci.bottom / 100f) ), false );
((Graphics2D)g).fill( path );
// repaint selection in scroll-tab-layout because it may be painted before
// the content border was painted (from BasicTabbedPaneUI$ScrollableTabPanel)
if( scrollableTabLayoutEnabled() && selectedIndex >= 0 && _tabScroller != null && _tabScroller.viewport != null ) {
Rectangle tabRect = getTabBounds( _tabPane, selectedIndex );
Shape oldClip = g.getClip();
g.setClip( _tabScroller.viewport.getBounds() );
paintTabSelection( g, tabPlacement, tabRect.x, tabRect.y, tabRect.width, tabRect.height );
g.setClip( oldClip );
}
}
@Override
protected void paintFocusIndicator( Graphics g, int tabPlacement, Rectangle[] rects, int tabIndex,
Rectangle iconRect, Rectangle textRect, boolean isSelected )
{
}
@Override
protected void layoutLabel( int tabPlacement, FontMetrics metrics, int tabIndex, String title, Icon icon,
Rectangle tabRect, Rectangle iconRect, Rectangle textRect, boolean isSelected )
{
if( tabPlacement == LEFT || tabPlacement == RIGHT ) {
Rectangle tabRect2 = new Rectangle( 0, 0, tabRect.height, tabRect.width );
Rectangle iconRect2 = new Rectangle();
Rectangle textRect2 = new Rectangle();
super.layoutLabel( TOP, metrics, tabIndex, title, icon, tabRect2, iconRect2, textRect2, isSelected );
textRect.x = tabRect.x + textRect2.y;
textRect.y = tabRect.y + textRect2.x;
textRect.width = textRect2.height;
textRect.height = textRect2.width;
if( tabPlacement == LEFT )
textRect.y += metrics.getHeight() / 2;
iconRect.x = tabRect.x + iconRect2.y;
iconRect.y = tabRect.y + iconRect2.x;
iconRect.width = iconRect2.height;
iconRect.height = iconRect2.width;
} else
super.layoutLabel( tabPlacement, metrics, tabIndex, title, icon, tabRect, iconRect, textRect, isSelected );
}
@Override
protected Rectangle getTabsTextBoundsAt( int tabIndex ) {
Rectangle rect = super.getTabsTextBoundsAt( tabIndex );
rect.x += getTabInsets( _tabPane.getTabPlacement(), tabIndex ).left;
return rect;
}
private boolean isLastInRun( int tabIndex ) {
int run = getRunForTab( _tabPane.getTabCount(), tabIndex );
return lastTabInRun( _tabPane.getTabCount(), run ) == tabIndex;
}
private boolean isLeftToRight() {
return _tabPane.getComponentOrientation().isLeftToRight();
}
private boolean isHorizontalTabPlacement() {
int tabPlacement = _tabPane.getTabPlacement();
return tabPlacement == TOP || tabPlacement == BOTTOM;
}
@Override
protected void ensureCurrentRects( int leftMargin, int tabCount ) {
int oldFitStyleBoundSize = _fitStyleBoundSize;
int oldFitStyleFirstTabMargin = _fitStyleFirstTabMargin;
int oldCompressedStyleNoIconRectSize = _compressedStyleNoIconRectSize;
int oldCompressedStyleIconMargin = _compressedStyleIconMargin;
int oldFixedStyleRectSize = _fixedStyleRectSize;
_fitStyleBoundSize = scale( _fitStyleBoundSize );
_fitStyleFirstTabMargin = scale( _fitStyleFirstTabMargin );
_compressedStyleNoIconRectSize = scale( _compressedStyleNoIconRectSize );
_compressedStyleIconMargin = scale( _compressedStyleIconMargin );
_fixedStyleRectSize = scale( _fixedStyleRectSize );
super.ensureCurrentRects( leftMargin, tabCount );
_fitStyleBoundSize = oldFitStyleBoundSize;
_fitStyleFirstTabMargin = oldFitStyleFirstTabMargin;
_compressedStyleNoIconRectSize = oldCompressedStyleNoIconRectSize;
_compressedStyleIconMargin = oldCompressedStyleIconMargin;
_fixedStyleRectSize = oldFixedStyleRectSize;
}
@Override
public void ensureCloseButtonCreated() {
super.ensureCloseButtonCreated();
if( _closeButtons == null )
return;
// make sure that close buttons use our icon and do not fill background
for( JButton closeButton : _closeButtons ) {
if( closeButton.getIcon() != closeIcon )
closeButton.setIcon( closeIcon );
if( closeButton.isContentAreaFilled() )
closeButton.setContentAreaFilled( false );
}
}
protected void updateCloseButtonMargins() {
// scale close button margins
_closeButtonLeftMargin = scale( closeButtonLeftMarginUnscaled );
_closeButtonRightMargin = scale( closeButtonRightMarginUnscaled );
// since close button size is hardcoded to 16x16 in NoFocusButton.getPreferredSize(),
// add difference between scaled and unscaled close button size to margins
int offset = (closeIcon.getIconWidth() - 16) / 2;
_closeButtonLeftMargin += offset;
_closeButtonRightMargin += offset;
}
//---- class FlatJideTabbedPaneScrollLayout -------------------------------
protected class FlatJideTabbedPaneScrollLayout
extends TabbedPaneScrollLayout
{
@Override
public void layoutContainer( Container parent ) {
updateCloseButtonMargins();
super.layoutContainer( parent );
updateCloseButtons();
updateArrowButtons();
}
private void updateCloseButtons() {
if( !scrollableTabLayoutEnabled() || !isShowCloseButton() || !isShowCloseButtonOnTab() )
return;
Color background = _tabPane.getBackground();
for( int i = 0; i < _closeButtons.length; i++ ) {
JButton closeButton = _closeButtons[i];
if( closeButton.getWidth() == 0 || closeButton.getHeight() == 0 )
continue; // not visible
closeButton.setBounds( getTabCloseBounds( i ) );
closeButton.setBackground( background );
}
}
private Rectangle getTabCloseBounds( int tabIndex ) {
int iconWidth = closeIcon.getIconWidth();
int iconHeight = closeIcon.getIconHeight();
Rectangle tabRect = _rects[tabIndex];
Insets tabInsets = getTabInsets( _tabPane.getTabPlacement(), tabIndex );
// use one-third of right/left tab insets as gap between tab text and close button
if( _tabPane.getTabPlacement() == JideTabbedPane.TOP || _tabPane.getTabPlacement() == JideTabbedPane.BOTTOM ) {
return new Rectangle(
_tabPane.getComponentOrientation().isLeftToRight()
? (tabRect.x + tabRect.width - (tabInsets.right / 3 * 2) - iconWidth)
: (tabRect.x + (tabInsets.left / 3 * 2)),
tabRect.y + (tabRect.height - iconHeight) / 2,
iconWidth,
iconHeight );
} else {
return new Rectangle(
tabRect.x + (tabRect.width - iconWidth) / 2,
tabRect.y + tabRect.height - (tabInsets.bottom / 3 * 2) - iconHeight,
iconWidth,
iconHeight );
}
}
private void updateArrowButtons() {
if( !scrollableTabLayoutEnabled() || !_tabPane.isTabShown() )
return;
Insets insets = _tabPane.getInsets();
int tabPlacement = _tabPane.getTabPlacement();
Insets tabAreaInsets = getTabAreaInsets( tabPlacement );
Dimension tsize = isTabTrailingComponentVisible() ? _tabTrailingComponent.getSize() : new Dimension();
if( tabPlacement == TOP || tabPlacement == BOTTOM ) {
// for BOTTOM tab placement, _maxTabHeight is not correct if having tall leading/trailing component
int maxTabHeight = (tabPlacement == BOTTOM)
? calculateMaxTabHeight( tabPlacement )
: _maxTabHeight;
// button bounds
boolean leftToRight = isLeftToRight();
int x = leftToRight
? _tabPane.getWidth() - insets.right - tsize.width
: insets.left + tsize.width;
int y = _tabScroller.viewport.getY();
int h = maxTabHeight;
if( tabPlacement == TOP ) {
// if leading or trailing component is taller than tab area then
// _tabScroller.viewport has same height as leading/trailing component
// but tabs are painted smaller
y += (_tabScroller.viewport.getHeight() - h - tabAreaInsets.bottom);
} else
y += tabAreaInsets.top;
// layout buttons
if( !isShowCloseButtonOnTab() )
x = layoutButtonHorizontal( _tabScroller.closeButton, 16, x, y, h, leftToRight );
x = layoutButtonHorizontal( _tabScroller.listButton, 24, x, y, h, leftToRight );
x = layoutButtonHorizontal( _tabScroller.scrollForwardButton, 16, x, y, h, leftToRight );
x = layoutButtonHorizontal( _tabScroller.scrollBackwardButton, 16, x, y, h, leftToRight );
// layout tab area
Rectangle r = _tabScroller.viewport.getBounds();
if( leftToRight )
_tabScroller.viewport.setSize( x - r.x, r.height );
else
_tabScroller.viewport.setBounds( x, r.y, r.width - (x - r.x), r.height );
} else { // LEFT and RIGHT tab placement
// for RIGHT tab placement, _maxTabWidth is not correct if having wide leading/trailing component
int maxTabWidth = (tabPlacement == RIGHT)
? calculateMaxTabWidth( tabPlacement )
: _maxTabWidth;
// button bounds
int x = _tabScroller.viewport.getX();
int y = _tabPane.getHeight() - insets.bottom - tsize.height;
int w = maxTabWidth;
if( tabPlacement == LEFT ) {
// if leading or trailing component is wider than tab area then
// _tabScroller.viewport has same width as leading/trailing component
// but tabs are painted smaller
x += (_tabScroller.viewport.getWidth() - w - tabAreaInsets.right);
} else
x += tabAreaInsets.left;
// layout buttons
if( !isShowCloseButtonOnTab() )
y = layoutButtonVertical( _tabScroller.closeButton, 16, x, y, w );
y = layoutButtonVertical( _tabScroller.listButton, 24, x, y, w );
y = layoutButtonVertical( _tabScroller.scrollForwardButton, 16, x, y, w );
y = layoutButtonVertical( _tabScroller.scrollBackwardButton, 16, x, y, w );
// layout tab area
Rectangle r = _tabScroller.viewport.getBounds();
_tabScroller.viewport.setSize( r.width, y - r.y );
}
}
private int layoutButtonHorizontal( JButton button, int wu, int x, int y, int h, boolean leftToRight ) {
if( button.isVisible() ) {
int w = scale( wu );
if( leftToRight )
x -= w;
button.setBounds( x, y, w, h );
if( !leftToRight )
x += w;
}
return x;
}
private int layoutButtonVertical( JButton button, int hu, int x, int y, int w ) {
if( button.isVisible() ) {
int h = scale( hu );
y -= h;
button.setBounds( x, y, w, h );
}
return y;
}
}
//---- class FlatJideTabCloseIcon -----------------------------------------
protected class FlatJideTabCloseIcon
extends FlatTabbedPaneCloseIcon
{
@Override
public void paintIcon( Component c, Graphics g, int x, int y ) {
NoFocusButton button = (NoFocusButton) c;
if( _tabPane.isShowCloseButtonOnMouseOver() && !button.isMouseOver() ) {
Object property = _tabPane.getClientProperty( "JideTabbedPane.mouseOverTabIndex" );
if( property instanceof Integer && button.getIndex() >= 0 && (Integer) property != button.getIndex() )
return;
}
super.paintIcon( c, g, x, y );
}
}
//---- class FlatJideTabAreaArrowIcon -------------------------------------
protected class FlatJideTabAreaArrowIcon
implements Icon
{
@Override
public void paintIcon( Component c, Graphics g, int x, int y ) {
NoFocusButton button = (NoFocusButton) c;
Object[] oldRenderingHints = FlatUIUtils.setRenderingHints( g );
// paint hover or pressed background
if( button.isEnabled() ) {
Color background = (buttonPressedBackground != null && button.isMousePressed())
? buttonPressedBackground
: (buttonHoverBackground != null && button.isMouseOver()
? buttonHoverBackground
: null);
if( background != null ) {
// rotate button insets
Insets insets = new Insets( 0, 0, 0, 0 );
rotateInsets( buttonInsets, insets, _tabPane.getTabPlacement() );
// fill background
g.setColor( FlatUIUtils.deriveColor( background, _tabPane.getBackground() ) );
FlatUIUtils.paintComponentBackground( (Graphics2D) g,
insets.left, insets.top,
button.getWidth() - insets.left - insets.right,
button.getHeight() - insets.top - insets.bottom,
0, scale( (float) buttonArc ) );
}
}
// arrow direction
int direction = -1;
switch( button.getType() ) {
case JideTabbedPane.BUTTON_WEST:
direction = isHorizontalTabPlacement()
? (isLeftToRight() ? WEST : EAST)
: NORTH;
break;
case JideTabbedPane.BUTTON_EAST:
direction = isHorizontalTabPlacement()
? (isLeftToRight() ? EAST : WEST)
: SOUTH;
break;
case JideTabbedPane.BUTTON_LIST:
switch( _tabPane.getTabPlacement() ) {
default:
case TOP: direction = SOUTH; break;
case BOTTOM: direction = NORTH; break;
case LEFT: direction = EAST; break;
case RIGHT: direction = WEST; break;
}
break;
}
// paint arrow
g.setColor( button.isEnabled() ? foreground : disabledForeground );
FlatUIUtils.paintArrow( (Graphics2D) g,
0, 0, button.getWidth(), button.getHeight(),
direction, FlatUIUtils.isChevron( arrowType ), 10, 1, 0, 0 );
FlatUIUtils.resetRenderingHints( g, oldRenderingHints );
}
@Override
public int getIconWidth() {
return scale( 16 );
}
@Override
public int getIconHeight() {
return scale( 16 );
}
}
}