private Insets getCalculatedInsets( PanePainter pane, int index, boolean selected, Direction direction) { Rectangle b = pane.getBoundsAt(index); final int sizer = b.height + b.width; Icon icon = pane.getIconAt(index); pane.setIconAt(index, new SizeIcon(sizer, sizer)); if (selected) pane.setSelectedIndex(index); Rectangle bounds = pane.getBoundsAt(index); pane.setIconAt(index, icon); pane.setSelectedIndex(DEFAULT_SELECTED_INDEX); int height = bounds.height - sizer - getHeightCompensate(direction); int width = bounds.width - sizer - getWidthCompensate(direction); int top = height / 2; int left = width / 2 + width % 2; int bottom = height / 2 + height % 2; int right = width / 2; return new Insets(top, left, bottom, right); }
private void applyFocusAndHover(PanePainter pane, boolean active) { if (active) { for (int i = 0; i < tabData.getTabCount(); i++) { Tab tab = (Tab) tabData.getTabList().get(i); if (tab.getFocusableComponent() != null && tab.getFocusableComponent().hasFocus()) { pane.setMouseEntered(true); pane.setFocusActive(true); break; } } if (hoveredTab != null) { for (int i = 0; i < tabData.getTabCount(); i++) { Tab tab = (Tab) tabData.getTabList().get(i); if (tab == hoveredTab) { pane.setMouseEntered(true); pane.setHoveredTab(i); break; } } } } else { pane.setFocusActive(false); pane.setMouseEntered(false); } }
private void estimateSwappedTabDirection(PanePainter pane, int index) { reset(pane); SizeIcon icon = new SizeIcon(80, 80); SizeIcon icon2 = new SizeIcon(160, 80); pane.addTab(EMPTY_STRING, icon, getComponent()); pane.doValidation(); Rectangle bounds = pane.getBoundsAt(0); pane.setIconAt(0, icon2); pane.doValidation(); Rectangle bounds2 = pane.getBoundsAt(0); swapWidthHeights[index] = bounds2.height > 1.5 * bounds.height; }
private void initPaintableTabLocations(PanePainter pane) { reset(pane); if (tabData.getPreTab() != null) { tabData.getTabList().add(0, tabData.getPreTab()); tabData.getVisibleTabRects().add(0, new Rectangle(0, 0, 0, 0)); } if (tabData.getPostTab() != null) { tabData.getTabList().add(tabData.getPostTab()); tabData.getVisibleTabRects().add(new Rectangle(0, 0, 0, 0)); } setSize(0); int selectedIndex = -1; for (int i = 0; i < tabData.getTabCount(); i++) { final Tab tab = (Tab) tabData.getTabList().get(i); SizeIcon icon = new SizeIcon( getInternalTabWidth(tab) - getWidthCompensate(tabData.getAreaOrientation()), getInternalTabHeight(tab) - getHeightCompensate(tabData.getAreaOrientation()), isSwapWidthHeight(tabData.getAreaOrientation())); pane.addTab(EMPTY_STRING, icon, getComponent()); if (tab.isHighlighted()) selectedIndex = pane.getTabCount() - 1; if (!tab.isEnabled()) { pane.setEnabledAt(i, false); pane.setDisabledIconAt(i, icon); } setSize(getSize() + (tabData.isHorizontalLayout() ? tab.getWidth() : tab.getHeight())); } pane.setSelectedIndex(selectedIndex); pane.doValidation(); }
private void reset(PanePainter pane) { pane.removeAllTabs(); componentCache.reset(); }
public void paintContentArea( TabbedPanelContentPanel p, Graphics g, int x, int y, int width, int height) { if (enabled && PAINT_CONTENT_AREA) { tabData.initialize(p.getTabbedPanel()); PanePainter pane = paneHandler.getPainter(tabData.getAreaOrientation()); initTabLocations(pane); int tx = 0; int ty = 0; if (tabData.getTabbedPanel().hasContentArea()) { Point l = getLocationInTabbedPanel(p, tabData.getTabbedPanel()); int yComp = 0; int xComp = 0; if (pane.getTabCount() == 0 && tabData.getTabCount() > 0) { if (tabData.getAreaOrientation() == Direction.UP) { yComp = tabData.getTabAreaHeight(); } else if (tabData.getAreaOrientation() == Direction.DOWN) { yComp = -tabData.getTabAreaHeight(); } else if (tabData.getAreaOrientation() == Direction.LEFT) { xComp = tabData.getTabAreaWidth(); } else { xComp = -tabData.getTabAreaWidth(); } } tx = -l.x + (xComp > 0 ? xComp : 0); ty = -l.y + (yComp > 0 ? yComp : 0); int extraWidth = 0; int extraHeight = 0; if (tabAreaNotVisibleFix && !tabData.getTabbedPanel().isTabAreaVisible()) { extraWidth = !tabData.isHorizontalLayout() ? tabMinimumSizes[getDirectionIndex(tabData.getAreaOrientation())].width - raiseds[getDirectionIndex(tabData.getAreaOrientation())] + (tabData.getAreaOrientation() == Direction.LEFT ? areaInsets[getDirectionIndex(Direction.LEFT)].left : areaInsets[getDirectionIndex(Direction.RIGHT)].right) : 0; extraHeight = tabData.isHorizontalLayout() ? tabMinimumSizes[getDirectionIndex(tabData.getAreaOrientation())].height - raiseds[getDirectionIndex(tabData.getAreaOrientation())] + (tabData.getAreaOrientation() == Direction.UP ? areaInsets[getDirectionIndex(Direction.UP)].top : areaInsets[getDirectionIndex(Direction.DOWN)].bottom) : 0; } tx -= tabData.getAreaOrientation() == Direction.LEFT ? extraWidth : 0; ty -= tabData.getAreaOrientation() == Direction.UP ? extraHeight : 0; pane.setSize( tabData.getTabbedPanelSize().width - Math.abs(xComp) + extraWidth, tabData.getTabbedPanelSize().height - Math.abs(yComp) + extraHeight); pane.doValidation(); } else { if (tabData.isHorizontalLayout()) { pane.setSize(p.getWidth(), p.getHeight() + tabData.getTabAreaHeight()); } else { pane.setSize(p.getWidth() + tabData.getTabAreaWidth(), p.getHeight()); } pane.doValidation(); if (tabData.getAreaOrientation() == Direction.UP) ty -= tabData.getTabAreaHeight(); else if (tabData.getAreaOrientation() == Direction.LEFT) tx -= tabData.getTabAreaWidth(); } pane.paint(g, tx, ty); tabData.reset(); reset(pane); } }
private void paintTabs( PanePainter pane, TabData tabData, Graphics g, int x, int y, int width, int height) { if (enabled && PAINT_TAB) { Tab lastTab = (Tab) tabData.getTabList().get(tabData.getTabList().size() - 1); Rectangle lastVisibleRect = (Rectangle) tabData.getVisibleTabRects().get(tabData.getTabCount() - 1); // Fix post/pre tabs initPaintableTabLocations(pane); Insets aInsets = getTabAreaInsets(tabData.getAreaOrientation()); Point l = getLocationInTabbedPanel(lastTab, tabData.getTabbedPanel()); if (tabData.isHorizontalLayout()) { int w = aInsets.left + aInsets.right + Math.max(0, tabData.getTabAreaWidth() - l.x - lastVisibleRect.width) + EXTRA_SIZE; for (int i = 0; i < tabData.getTabList().size(); i++) w += ((Tab) tabData.getTabList().get(i)).getWidth(); pane.setSize(w, getTabbedPanelExtraSize()); } else { int h = aInsets.top + aInsets.bottom + Math.max(0, tabData.getTabAreaHeight() - l.y - lastVisibleRect.height) + EXTRA_SIZE; for (int i = 0; i < tabData.getTabList().size(); i++) h += ((Tab) tabData.getTabList().get(i)).getHeight(); pane.setSize(getTabbedPanelExtraSize(), h); } pane.doValidation(); int index = tabData.getPreTab() == null ? 0 : tabData.getTabCount() > 1 ? 1 : 0; Shape originalClip = g.getClip(); int tx = -x - (tabData.getAreaOrientation() == Direction.RIGHT ? -tabData.getTabbedPanelWidth() + getTabbedPanelExtraSize() : 0); int ty = -y - (tabData.getAreaOrientation() == Direction.DOWN ? -tabData.getTabbedPanelHeight() + getTabbedPanelExtraSize() : 0); Rectangle visibleRect = (Rectangle) tabData.getVisibleTabRects().get(index); Tab tab = (Tab) tabData.getTabList().get(index); if (tabData.isHorizontalLayout()) { tx -= (tabData.getPreTab() != null ? tab.getX() - tabData.getPreTab().getX() + visibleRect.x : visibleRect.x); g.clipRect(aInsets.left, 0, tabData.getTabAreaWidth(), height); } else { ty -= (tabData.getPreTab() != null ? tab.getY() - tabData.getPreTab().getY() + visibleRect.y : visibleRect.y); g.clipRect(0, aInsets.top, width, tabData.getTabAreaHeight()); } applyFocusAndHover(pane, true); pane.paint(g, tx, ty); applyFocusAndHover(pane, false); g.setClip(originalClip); } }
public void paintTabArea(TabbedPanel tp, Graphics g, int x, int y, int width, int height) { int heightTemp = height; int widthTemp = width; int xTemp = x; int yTemp = y; if (enabled && tp.isTabAreaVisible()) { tabData.initialize(tp); PanePainter pane = paneHandler.getPainter(tabData.getAreaOrientation()); initTabLocations(pane); Insets aInsets = getTabAreaInsets(tabData.getAreaOrientation()); if (tp.getTabCount() > 0) { // Adjust x, y if (tabData.getAreaOrientation() == Direction.DOWN) { yTemp += tabData.getTabbedPanelHeight() - heightTemp; } else if (tabData.getAreaOrientation() == Direction.RIGHT) { xTemp += tabData.getTabbedPanelWidth() - widthTemp; } widthTemp = xTemp < 0 ? widthTemp + xTemp : widthTemp; heightTemp = yTemp < 0 ? heightTemp + yTemp : heightTemp; xTemp = Math.max(0, xTemp); yTemp = Math.max(0, yTemp); if (tabData.isHorizontalLayout()) pane.setSize(tabData.getTabbedPanelSize().width, getTabbedPanelExtraSize()); else pane.setSize(getTabbedPanelExtraSize(), tabData.getTabbedPanelHeight()); if (PAINT_TAB_AREA && !(pane.getTabCount() == 0 && tabData.getTabCount() > 0)) { Shape originalClip = g.getClip(); int tx = -xTemp - (tabData.getAreaOrientation() == Direction.RIGHT ? -tabData.getTabbedPanelWidth() + getTabbedPanelExtraSize() : 0); int ty = -yTemp - (tabData.getAreaOrientation() == Direction.DOWN ? -tabData.getTabbedPanelHeight() + getTabbedPanelExtraSize() : 0); Rectangle firstVisibleRect = (Rectangle) tabData.getVisibleTabRects().get(0); Rectangle lastVisibleRect = (Rectangle) tabData.getVisibleTabRects().get(tabData.getTabCount() - 1); Tab lastTab = (Tab) tabData.getTabList().get(tabData.getTabCount() - 1); if (tabData.isHorizontalLayout()) { int extraWidth = lastTab.getWidth() == lastVisibleRect.width ? 0 : 2 * tabData.getTabbedPanelSize().width - tabData.getTabAreaWidth(); pane.setSize(pane.getWidth() + extraWidth, pane.getHeight()); pane.doValidation(); // Before tabs g.clipRect( 0, 0, aInsets.left + (firstVisibleRect.width > 0 && firstVisibleRect.x == 0 ? 1 : 0), heightTemp); pane.paint(g, tx, ty); g.setClip(originalClip); // After tabs tx -= extraWidth; int clipExtraWidth = extraWidth == 0 ? 1 : 0; g.clipRect( aInsets.left + tabData.getTabAreaWidth() - clipExtraWidth, 0, widthTemp - aInsets.left - tabData.getTabAreaWidth() + clipExtraWidth, heightTemp); pane.paint(g, tx, ty); g.setClip(originalClip); } else { int extraHeight = lastTab.getHeight() == lastVisibleRect.height ? 0 : 2 * tabData.getTabbedPanelSize().height - tabData.getTabAreaHeight(); pane.setSize(pane.getWidth(), pane.getHeight() + extraHeight); pane.doValidation(); // Before tabs g.clipRect( 0, 0, widthTemp, aInsets.top + (firstVisibleRect.height > 0 && firstVisibleRect.y == 0 ? 1 : 0)); pane.paint(g, tx, ty); g.setClip(originalClip); // After tabs ty -= extraHeight; int clipExtraHeight = extraHeight == 0 ? 1 : 0; g.clipRect( 0, aInsets.top + tabData.getTabAreaHeight() - clipExtraHeight, widthTemp, heightTemp - aInsets.top - tabData.getTabAreaHeight() + clipExtraHeight); pane.paint(g, tx, ty); g.setClip(originalClip); } } // First and last tab paintTabs(pane, tabData, g, xTemp, yTemp, widthTemp, heightTemp); tabData.reset(); reset(pane); } } }
private void estimateContentTabAreaBorderColor( PanePainter pane, int index, final Direction direction) { Dimension preSize = pane.getSize(); reset(pane); pane.addTab(EMPTY_STRING, SizeIcon.EMPTY, getComponent()); pane.setSelectedIndex(-1); Dimension paneSize = pane.getMinimumSize(); if (direction.isHorizontal()) pane.setSize(paneSize.width, paneSize.height * 2); else pane.setSize(paneSize.width * 2, paneSize.height); pane.doValidation(); Rectangle tabBounds = pane.getBoundsAt(0); BufferedImage img = new BufferedImage(pane.getWidth(), pane.getHeight(), BufferedImage.TYPE_INT_ARGB); int x = 0; int y = 0; if (direction == Direction.UP) { x = tabBounds.x + (tabBounds.width / 2); y = pane.getHeight() - contentInsets[index].top - contentInsets[index].bottom - 1; } else if (direction == Direction.DOWN) { x = tabBounds.x + (tabBounds.width / 2); y = contentInsets[index].top + contentInsets[index].bottom; } else if (direction == Direction.LEFT) { x = pane.getWidth() - contentInsets[index].left - contentInsets[index].right - 1; y = tabBounds.y + (tabBounds.height / 2); } else { x += contentInsets[index].left + contentInsets[index].right; y = tabBounds.y + (tabBounds.height / 2); } final int px = x; final int py = y; RGBImageFilter colorFilter = new RGBImageFilter() { @Override public int filterRGB(int x, int y, int rgb) { if (px == x && py == y) { int r = (rgb >> 16) & 0xff; int g = (rgb >> 8) & 0xff; int b = (rgb) & 0xff; int a = (rgb >> 24) & 0xff; contentTabAreaBorderColors[getDirectionIndex(direction.getOpposite())] = new Color(r, g, b, a); } return rgb; } }; FilteredImageSource source = new FilteredImageSource(img.getSource(), colorFilter); pane.paint(img.getGraphics()); BufferedImage img2 = new BufferedImage(pane.getWidth(), pane.getHeight(), BufferedImage.TYPE_INT_ARGB); img2.getGraphics().drawImage(Toolkit.getDefaultToolkit().createImage(source), 0, 0, null); pane.setSize(preSize); pane.doValidation(); }
private void calculateAreaInsets(PanePainter pane, int index, Direction direction) { // Area insets pane.setSelectedIndex(0); Rectangle selectedBounds = pane.getBoundsAt(0); pane.setSelectedIndex(DEFAULT_SELECTED_INDEX); Rectangle normalBounds = pane.getBoundsAt(0); int left = 0; int top = 0; int bottom = 0; int right = 0; if (direction == Direction.UP) { left = Math.min(selectedBounds.x, normalBounds.x); top = Math.min(selectedBounds.y, normalBounds.y); bottom = 0; } else if (direction == Direction.DOWN) { left = Math.min(selectedBounds.x, normalBounds.x); top = 0; bottom = pane.getHeight() - Math.max( selectedBounds.y + selectedBounds.height, normalBounds.y + normalBounds.height); } else if (direction == Direction.LEFT) { top = Math.min(selectedBounds.y, normalBounds.y); left = Math.min(selectedBounds.x, normalBounds.x); right = 0; } else { top = Math.min(selectedBounds.y, normalBounds.y); left = 0; right = pane.getWidth() - Math.max( selectedBounds.x + selectedBounds.width, normalBounds.x + normalBounds.width); } Dimension sizeTemp = pane.getSize(); reset(pane); for (int i = 0; i < 4; i++) pane.addTab(EMPTY_STRING, SizeIcon.EMPTY, getComponent()); pane.setSelectedIndex(-1); pane.setSize(pane.getMinimumSize()); pane.doValidation(); if (!direction.isHorizontal()) { int width = pane.getWidth() - 1; boolean found = false; while (!found) { width++; pane.setSize(width, pane.getHeight()); pane.doValidation(); found = pane.getBoundsAt(0).y == pane.getBoundsAt(3).y; } Rectangle endBounds = pane.getBoundsAt(3); right = pane.getWidth() - endBounds.x - endBounds.width - spacings[index]; } else { int height = pane.getHeight() - 1; boolean found = false; while (!found) { height++; pane.setSize(pane.getWidth(), height); pane.doValidation(); found = pane.getBoundsAt(0).x == pane.getBoundsAt(3).x; } Rectangle endBounds = pane.getBoundsAt(3); bottom = pane.getHeight() - endBounds.y - endBounds.height - spacings[index]; } areaInsets[index] = new Insets(top, left, bottom, right); pane.setSize(sizeTemp); pane.doValidation(); }
private void initValues(PanePainter pane, int index, Direction direction) { estimateSwappedTabDirection(pane, index); reset(pane); pane.setSize(1000, 1000); boolean upDown = !direction.isHorizontal(); for (int i = 0; i < DEFAULT_TAB_COUNT; i++) { pane.addTab(EMPTY_STRING, getComponent()); } pane.setSelectedIndex(DEFAULT_SELECTED_INDEX); pane.doValidation(); // Tab insets if any from UImanager Insets insets = UIManager.getInsets("TabbedPane.tabInsets"); if (insets == null) insets = new Insets(0, 0, 0, 0); if (!upDown) tabInsets[index] = new Insets(0, insets.left, 0, insets.right); else tabInsets[index] = InsetsUtil.EMPTY_INSETS; // Raised Rectangle bounds = pane.getBoundsAt(0); Rectangle bounds2 = pane.getBoundsAt(pane.getSelectedIndex()); if (direction == Direction.UP) raiseds[index] = Math.max(0, bounds.y - bounds2.y); else if (direction == Direction.LEFT) raiseds[index] = Math.max(0, bounds.x - bounds2.x); else if (direction == Direction.DOWN) raiseds[index] = raiseds[getDirectionIndex(Direction.UP)]; else raiseds[index] = raiseds[getDirectionIndex(Direction.LEFT)]; // Spacing Insets normal = getCalculatedInsets(pane, 0, false, direction); Insets selected = getCalculatedInsets(pane, 0, true, direction); if (upDown) spacings[index] = normal.left + normal.right - selected.left - selected.right; else spacings[index] = normal.top + normal.bottom - selected.top - selected.bottom; // Normal insets normalInsets[index] = getCalculatedInsets(pane, 0, false, direction); // Selected insets Insets insetsTemp = getCalculatedInsets(pane, 0, true, direction); int spacing = spacings[index]; int spaceFirst = spacing / 2; int spaceAfter = spacing / 2 + spacing % 2; if (direction == Direction.UP) { insetsTemp.bottom = normalInsets[index].bottom; insetsTemp.top = normalInsets[index].top; insetsTemp.left += spaceFirst; insetsTemp.right += spaceAfter; } else if (direction == Direction.LEFT) { insetsTemp.right = normalInsets[index].right; insetsTemp.left = normalInsets[index].left; insetsTemp.top += spaceFirst; insetsTemp.bottom += spaceAfter; } else if (direction == Direction.RIGHT) { insetsTemp.right = normalInsets[index].right; insetsTemp.left = normalInsets[index].left; insetsTemp.top += spaceFirst; insetsTemp.bottom += spaceAfter; } else { insetsTemp.bottom = normalInsets[index].bottom; insetsTemp.top = normalInsets[index].top; insetsTemp.left += spaceFirst; insetsTemp.right += spaceAfter; } selectedInsets[index] = insetsTemp; // Content insets JPanel c = new JPanel(); pane.addTab(EMPTY_STRING, c); pane.setSelectedIndex(pane.getTabCount() - 1); pane.doValidation(); Point l = SwingUtilities.convertPoint(c.getParent(), c.getLocation(), pane); Rectangle boundsTemp = pane.getBoundsAt(0); int top = 0; int left = 0; int bottom = 0; int right = 0; if (direction == Direction.UP) { top = l.y - boundsTemp.height - boundsTemp.y; left = l.x; bottom = pane.getHeight() - l.y - c.getHeight(); right = pane.getWidth() - l.x - c.getWidth(); } else if (direction == Direction.DOWN) { top = l.y; left = l.x; bottom = pane.getHeight() - c.getHeight() - l.y - (pane.getHeight() - boundsTemp.y); right = pane.getWidth() - l.x - c.getWidth(); } else if (direction == Direction.LEFT) { top = l.y; left = l.x - boundsTemp.width - boundsTemp.x; bottom = pane.getHeight() - l.y - c.getHeight(); right = pane.getWidth() - l.x - c.getWidth(); } else { top = l.y; left = l.x; bottom = pane.getHeight() - l.y - c.getHeight(); right = pane.getWidth() - c.getWidth() - l.x - (pane.getWidth() - boundsTemp.x); } contentInsets[index] = new Insets(top, left, bottom, right); Insets i = contentInsets[0]; Insets i2 = InsetsUtil.rotate(direction.getNextCW(), i); Insets adjustedInsets = InsetsUtil.max(i, i2); adjustedContentInsets[index] = adjustedInsets; adjustedContentInsetsTabAreaHidden[index] = new Insets( direction == Direction.UP ? adjustedInsets.left : adjustedInsets.top, direction == Direction.LEFT ? adjustedInsets.top : adjustedInsets.left, direction == Direction.DOWN ? adjustedInsets.right : adjustedInsets.bottom, direction == Direction.RIGHT ? adjustedInsets.bottom : adjustedInsets.right); pane.removeTabAt(pane.getTabCount() - 1); pane.setSelectedIndex(DEFAULT_SELECTED_INDEX); pane.doValidation(); // Minimum sizes Rectangle rectangleBounds = pane.getBoundsAt(DEFAULT_SELECTED_INDEX); tabMinimumSizes[index] = new Dimension(rectangleBounds.width, rectangleBounds.height); minimumSizes[index] = new Dimension( rectangleBounds.width - tabInsets[index].left - tabInsets[index].right, rectangleBounds.height - tabInsets[index].top - tabInsets[index].bottom); calculateAreaInsets(pane, index, direction); estimateContentTabAreaBorderColor(pane, index, direction); }
private void initTabLocations(PanePainter pane) { findPaintableTabs(); Dimension minSize = getTabExternalMinSize(tabData.getAreaOrientation()); Insets aInsets = getTabAreaInsets(tabData.getAreaOrientation()); int selectedIndex = -1; if (tabData.getTabbedPanel().isTabAreaVisible()) { for (int i = 0; i < tabData.getTabCount(); i++) { final Tab tab = (Tab) tabData.getTabList().get(i); final Rectangle visibleRect = (Rectangle) tabData.getVisibleTabRects().get(i); Insets insets = getTabInsets(tabData.getAreaOrientation()); int iconWidth = Math.max( -insets.left - insets.right, getInternalTabWidth(tab) - (tab.getWidth() - visibleRect.width)); int iconHeight = Math.max( -insets.top - insets.bottom, getInternalTabHeight(tab) - (tab.getHeight() - visibleRect.height)); Point l = getLocationInTabbedPanel(tab, tabData.getTabbedPanel()); if ((tabData.isHorizontalLayout() && (visibleRect.width >= minSize.width || minSize.width < tabData.getTabbedPanelWidth() - l.x - aInsets.right)) || (!tabData.isHorizontalLayout() && (visibleRect.height >= minSize.height || minSize.height < tabData.getTabbedPanelHeight() - l.y - aInsets.bottom))) { final int iWidth = iconWidth; final int iHeight = iconHeight; SizeIcon icon = new SizeIcon( iWidth - getWidthCompensate(tabData.getAreaOrientation()), iHeight - getHeightCompensate(tabData.getAreaOrientation()), isSwapWidthHeight(tabData.getAreaOrientation())); int j = pane.getTabCount(); pane.addTab(EMPTY_STRING, icon, getComponent()); if (i == tabData.getSelectedTabPainterIndex()) { selectedIndex = j; } if (!tab.isEnabled()) { pane.setEnabledAt(j, false); pane.setDisabledIconAt(j, icon); } } } } else if (tabAreaNotVisibleFix) { pane.addTab(EMPTY_STRING, componentCache.getComponent()); } if (pane.getTabCount() > 0) pane.setSelectedIndex(selectedIndex); pane.doValidation(); }