| /* |
| * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.synth; |
| |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.*; |
| import javax.swing.text.View; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.beans.PropertyChangeListener; |
| import java.beans.PropertyChangeEvent; |
| import sun.swing.SwingUtilities2; |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JTabbedPane}. |
| * |
| * <p>Looks up the {@code selectedTabPadInsets} property from the Style, |
| * which represents additional insets for the selected tab. |
| * |
| * @author Scott Violet |
| * @since 1.7 |
| */ |
| public class SynthTabbedPaneUI extends BasicTabbedPaneUI |
| implements PropertyChangeListener, SynthUI { |
| |
| /** |
| * <p>If non-zero, tabOverlap indicates the amount that the tab bounds |
| * should be altered such that they would overlap with a tab on either the |
| * leading or trailing end of a run (ie: in TOP, this would be on the left |
| * or right).</p> |
| |
| * <p>A positive overlap indicates that tabs should overlap right/down, |
| * while a negative overlap indicates tha tabs should overlap left/up.</p> |
| * |
| * <p>When tabOverlap is specified, it both changes the x position and width |
| * of the tab if in TOP or BOTTOM placement, and changes the y position and |
| * height if in LEFT or RIGHT placement.</p> |
| * |
| * <p>This is done for the following reason. Consider a run of 10 tabs. |
| * There are 9 gaps between these tabs. If you specified a tabOverlap of |
| * "-1", then each of the tabs "x" values will be shifted left. This leaves |
| * 9 pixels of space to the right of the right-most tab unpainted. So, each |
| * tab's width is also extended by 1 pixel to make up the difference.</p> |
| * |
| * <p>This property respects the RTL component orientation.</p> |
| */ |
| private int tabOverlap = 0; |
| |
| /** |
| * When a tabbed pane has multiple rows of tabs, this indicates whether |
| * the tabs in the upper row(s) should extend to the base of the tab area, |
| * or whether they should remain at their normal tab height. This does not |
| * affect the bounds of the tabs, only the bounds of area painted by the |
| * tabs. The text position does not change. The result is that the bottom |
| * border of the upper row of tabs becomes fully obscured by the lower tabs, |
| * resulting in a cleaner look. |
| */ |
| private boolean extendTabsToBase = false; |
| |
| private SynthContext tabAreaContext; |
| private SynthContext tabContext; |
| private SynthContext tabContentContext; |
| |
| private SynthStyle style; |
| private SynthStyle tabStyle; |
| private SynthStyle tabAreaStyle; |
| private SynthStyle tabContentStyle; |
| |
| private Rectangle textRect = new Rectangle(); |
| private Rectangle iconRect = new Rectangle(); |
| |
| private Rectangle tabAreaBounds = new Rectangle(); |
| |
| //added for the Nimbus look and feel, where the tab area is painted differently depending on the |
| //state for the selected tab |
| private boolean tabAreaStatesMatchSelectedTab = false; |
| //added for the Nimbus LAF to ensure that the labels don't move whether the tab is selected or not |
| private boolean nudgeSelectedLabel = true; |
| |
| private boolean selectedTabIsPressed = false; |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param c component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| return new SynthTabbedPaneUI(); |
| } |
| |
| private boolean scrollableTabLayoutEnabled() { |
| return (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installDefaults() { |
| updateStyle(tabPane); |
| } |
| |
| private void updateStyle(JTabbedPane c) { |
| SynthContext context = getContext(c, ENABLED); |
| SynthStyle oldStyle = style; |
| style = SynthLookAndFeel.updateStyle(context, this); |
| // Add properties other than JComponent colors, Borders and |
| // opacity settings here: |
| if (style != oldStyle) { |
| tabRunOverlay = |
| style.getInt(context, "TabbedPane.tabRunOverlay", 0); |
| tabOverlap = style.getInt(context, "TabbedPane.tabOverlap", 0); |
| extendTabsToBase = style.getBoolean(context, |
| "TabbedPane.extendTabsToBase", false); |
| textIconGap = style.getInt(context, "TabbedPane.textIconGap", 0); |
| selectedTabPadInsets = (Insets)style.get(context, |
| "TabbedPane.selectedTabPadInsets"); |
| if (selectedTabPadInsets == null) { |
| selectedTabPadInsets = new Insets(0, 0, 0, 0); |
| } |
| tabAreaStatesMatchSelectedTab = style.getBoolean(context, |
| "TabbedPane.tabAreaStatesMatchSelectedTab", false); |
| nudgeSelectedLabel = style.getBoolean(context, |
| "TabbedPane.nudgeSelectedLabel", true); |
| if (oldStyle != null) { |
| uninstallKeyboardActions(); |
| installKeyboardActions(); |
| } |
| } |
| context.dispose(); |
| |
| if (tabContext != null) { |
| tabContext.dispose(); |
| } |
| tabContext = getContext(c, Region.TABBED_PANE_TAB, ENABLED); |
| this.tabStyle = SynthLookAndFeel.updateStyle(tabContext, this); |
| tabInsets = tabStyle.getInsets(tabContext, null); |
| |
| |
| if (tabAreaContext != null) { |
| tabAreaContext.dispose(); |
| } |
| tabAreaContext = getContext(c, Region.TABBED_PANE_TAB_AREA, ENABLED); |
| this.tabAreaStyle = SynthLookAndFeel.updateStyle(tabAreaContext, this); |
| tabAreaInsets = tabAreaStyle.getInsets(tabAreaContext, null); |
| |
| |
| if (tabContentContext != null) { |
| tabContentContext.dispose(); |
| } |
| tabContentContext = getContext(c, Region.TABBED_PANE_CONTENT, ENABLED); |
| this.tabContentStyle = SynthLookAndFeel.updateStyle(tabContentContext, |
| this); |
| contentBorderInsets = |
| tabContentStyle.getInsets(tabContentContext, null); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installListeners() { |
| super.installListeners(); |
| tabPane.addPropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallListeners() { |
| super.uninstallListeners(); |
| tabPane.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallDefaults() { |
| SynthContext context = getContext(tabPane, ENABLED); |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| |
| tabStyle.uninstallDefaults(tabContext); |
| tabContext.dispose(); |
| tabContext = null; |
| tabStyle = null; |
| |
| tabAreaStyle.uninstallDefaults(tabAreaContext); |
| tabAreaContext.dispose(); |
| tabAreaContext = null; |
| tabAreaStyle = null; |
| |
| tabContentStyle.uninstallDefaults(tabContentContext); |
| tabContentContext.dispose(); |
| tabContentContext = null; |
| tabContentStyle = null; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public SynthContext getContext(JComponent c) { |
| return getContext(c, SynthLookAndFeel.getComponentState(c)); |
| } |
| |
| private SynthContext getContext(JComponent c, int state) { |
| return SynthContext.getContext(SynthContext.class, c, |
| SynthLookAndFeel.getRegion(c),style, state); |
| } |
| |
| private SynthContext getContext(JComponent c, Region subregion, int state){ |
| SynthStyle style = null; |
| Class klass = SynthContext.class; |
| |
| if (subregion == Region.TABBED_PANE_TAB) { |
| style = tabStyle; |
| } |
| else if (subregion == Region.TABBED_PANE_TAB_AREA) { |
| style = tabAreaStyle; |
| } |
| else if (subregion == Region.TABBED_PANE_CONTENT) { |
| style = tabContentStyle; |
| } |
| return SynthContext.getContext(klass, c, subregion, style, state); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected JButton createScrollButton(int direction) { |
| // added for Nimbus LAF so that it can use the basic arrow buttons |
| // UIManager is queried directly here because this is called before |
| // updateStyle is called so the style can not be queried directly |
| if (UIManager.getBoolean("TabbedPane.useBasicArrows")) { |
| JButton btn = super.createScrollButton(direction); |
| btn.setBorder(BorderFactory.createEmptyBorder()); |
| return btn; |
| } |
| return new SynthScrollableTabButton(direction); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void propertyChange(PropertyChangeEvent e) { |
| if (SynthLookAndFeel.shouldUpdateStyle(e)) { |
| updateStyle(tabPane); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| * |
| * Overridden to keep track of whether the selected tab is also pressed. |
| */ |
| @Override |
| protected MouseListener createMouseListener() { |
| final MouseListener delegate = super.createMouseListener(); |
| final MouseMotionListener delegate2 = (MouseMotionListener)delegate; |
| return new MouseListener() { |
| public void mouseClicked(MouseEvent e) { delegate.mouseClicked(e); } |
| public void mouseEntered(MouseEvent e) { delegate.mouseEntered(e); } |
| public void mouseExited(MouseEvent e) { delegate.mouseExited(e); } |
| |
| public void mousePressed(MouseEvent e) { |
| if (!tabPane.isEnabled()) { |
| return; |
| } |
| |
| int tabIndex = tabForCoordinate(tabPane, e.getX(), e.getY()); |
| if (tabIndex >= 0 && tabPane.isEnabledAt(tabIndex)) { |
| if (tabIndex == tabPane.getSelectedIndex()) { |
| // Clicking on selected tab |
| selectedTabIsPressed = true; |
| //TODO need to just repaint the tab area! |
| tabPane.repaint(); |
| } |
| } |
| |
| //forward the event (this will set the selected index, or none at all |
| delegate.mousePressed(e); |
| } |
| |
| public void mouseReleased(MouseEvent e) { |
| if (selectedTabIsPressed) { |
| selectedTabIsPressed = false; |
| //TODO need to just repaint the tab area! |
| tabPane.repaint(); |
| } |
| //forward the event |
| delegate.mouseReleased(e); |
| |
| //hack: The super method *should* be setting the mouse-over property correctly |
| //here, but it doesn't. That is, when the mouse is released, whatever tab is below the |
| //released mouse should be in rollover state. But, if you select a tab and don't |
| //move the mouse, this doesn't happen. Hence, forwarding the event. |
| delegate2.mouseMoved(e); |
| } |
| }; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int getTabLabelShiftX(int tabPlacement, int tabIndex, boolean isSelected) { |
| if (nudgeSelectedLabel) { |
| return super.getTabLabelShiftX(tabPlacement, tabIndex, isSelected); |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int getTabLabelShiftY(int tabPlacement, int tabIndex, boolean isSelected) { |
| if (nudgeSelectedLabel) { |
| return super.getTabLabelShiftY(tabPlacement, tabIndex, isSelected); |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * Notifies this UI delegate to repaint the specified component. |
| * This method paints the component background, then calls |
| * the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * <p>In general, this method does not need to be overridden by subclasses. |
| * All Look and Feel rendering code should reside in the {@code paint} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void update(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| SynthLookAndFeel.update(context, g); |
| context.getPainter().paintTabbedPaneBackground(context, |
| g, 0, 0, c.getWidth(), c.getHeight()); |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int getBaseline(int tab) { |
| if (tabPane.getTabComponentAt(tab) != null || |
| getTextViewForTab(tab) != null) { |
| return super.getBaseline(tab); |
| } |
| String title = tabPane.getTitleAt(tab); |
| Font font = tabContext.getStyle().getFont(tabContext); |
| FontMetrics metrics = getFontMetrics(font); |
| Icon icon = getIconForTab(tab); |
| textRect.setBounds(0, 0, 0, 0); |
| iconRect.setBounds(0, 0, 0, 0); |
| calcRect.setBounds(0, 0, Short.MAX_VALUE, maxTabHeight); |
| tabContext.getStyle().getGraphicsUtils(tabContext).layoutText( |
| tabContext, metrics, title, icon, SwingUtilities.CENTER, |
| SwingUtilities.CENTER, SwingUtilities.LEADING, |
| SwingUtilities.CENTER, calcRect, |
| iconRect, textRect, textIconGap); |
| return textRect.y + metrics.getAscent() + getBaselineOffset(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintTabbedPaneBorder(context, g, x, y, w, h); |
| } |
| |
| /** |
| * Paints the specified component according to the Look and Feel. |
| * <p>This method is not used by Synth Look and Feel. |
| * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. |
| * |
| * @param context context for the component being painted |
| * @param g the {@code Graphics} object used for painting |
| * @see #update(Graphics,JComponent) |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| int selectedIndex = tabPane.getSelectedIndex(); |
| int tabPlacement = tabPane.getTabPlacement(); |
| |
| ensureCurrentLayout(); |
| |
| // Paint tab area |
| // If scrollable tabs are enabled, the tab area will be |
| // painted by the scrollable tab panel instead. |
| // |
| if (!scrollableTabLayoutEnabled()) { // WRAP_TAB_LAYOUT |
| Insets insets = tabPane.getInsets(); |
| int x = insets.left; |
| int y = insets.top; |
| int width = tabPane.getWidth() - insets.left - insets.right; |
| int height = tabPane.getHeight() - insets.top - insets.bottom; |
| int size; |
| switch(tabPlacement) { |
| case LEFT: |
| width = calculateTabAreaWidth(tabPlacement, runCount, |
| maxTabWidth); |
| break; |
| case RIGHT: |
| size = calculateTabAreaWidth(tabPlacement, runCount, |
| maxTabWidth); |
| x = x + width - size; |
| width = size; |
| break; |
| case BOTTOM: |
| size = calculateTabAreaHeight(tabPlacement, runCount, |
| maxTabHeight); |
| y = y + height - size; |
| height = size; |
| break; |
| case TOP: |
| default: |
| height = calculateTabAreaHeight(tabPlacement, runCount, |
| maxTabHeight); |
| } |
| |
| tabAreaBounds.setBounds(x, y, width, height); |
| |
| if (g.getClipBounds().intersects(tabAreaBounds)) { |
| paintTabArea(tabAreaContext, g, tabPlacement, |
| selectedIndex, tabAreaBounds); |
| } |
| } |
| |
| // Paint content border |
| paintContentBorder(tabContentContext, g, tabPlacement, selectedIndex); |
| } |
| |
| protected void paintTabArea(Graphics g, int tabPlacement, |
| int selectedIndex) { |
| // This can be invoked from ScrollabeTabPanel |
| Insets insets = tabPane.getInsets(); |
| int x = insets.left; |
| int y = insets.top; |
| int width = tabPane.getWidth() - insets.left - insets.right; |
| int height = tabPane.getHeight() - insets.top - insets.bottom; |
| |
| paintTabArea(tabAreaContext, g, tabPlacement, selectedIndex, |
| new Rectangle(x, y, width, height)); |
| } |
| |
| private void paintTabArea(SynthContext ss, Graphics g, |
| int tabPlacement, int selectedIndex, |
| Rectangle tabAreaBounds) { |
| Rectangle clipRect = g.getClipBounds(); |
| |
| //if the tab area's states should match that of the selected tab, then |
| //first update the selected tab's states, then set the state |
| //for the tab area to match |
| //otherwise, restore the tab area's state to ENABLED (which is the |
| //only supported state otherwise). |
| if (tabAreaStatesMatchSelectedTab && selectedIndex >= 0) { |
| updateTabContext(selectedIndex, true, selectedTabIsPressed, |
| (getRolloverTab() == selectedIndex), |
| (getFocusIndex() == selectedIndex)); |
| ss.setComponentState(tabContext.getComponentState()); |
| } else { |
| ss.setComponentState(SynthConstants.ENABLED); |
| } |
| |
| // Paint the tab area. |
| SynthLookAndFeel.updateSubregion(ss, g, tabAreaBounds); |
| ss.getPainter().paintTabbedPaneTabAreaBackground(ss, g, |
| tabAreaBounds.x, tabAreaBounds.y, tabAreaBounds.width, |
| tabAreaBounds.height, tabPlacement); |
| ss.getPainter().paintTabbedPaneTabAreaBorder(ss, g, tabAreaBounds.x, |
| tabAreaBounds.y, tabAreaBounds.width, tabAreaBounds.height, |
| tabPlacement); |
| |
| int tabCount = tabPane.getTabCount(); |
| |
| iconRect.setBounds(0, 0, 0, 0); |
| textRect.setBounds(0, 0, 0, 0); |
| |
| // Paint tabRuns of tabs from back to front |
| for (int i = runCount - 1; i >= 0; i--) { |
| int start = tabRuns[i]; |
| int next = tabRuns[(i == runCount - 1)? 0 : i + 1]; |
| int end = (next != 0? next - 1: tabCount - 1); |
| for (int j = start; j <= end; j++) { |
| if (rects[j].intersects(clipRect) && selectedIndex != j) { |
| paintTab(tabContext, g, tabPlacement, rects, j, iconRect, |
| textRect); |
| } |
| } |
| } |
| |
| if (selectedIndex >= 0) { |
| if (rects[selectedIndex].intersects(clipRect)) { |
| paintTab(tabContext, g, tabPlacement, rects, selectedIndex, |
| iconRect, textRect); |
| } |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void setRolloverTab(int index) { |
| int oldRolloverTab = getRolloverTab(); |
| super.setRolloverTab(index); |
| |
| Rectangle r = null; |
| |
| if (oldRolloverTab != index && tabAreaStatesMatchSelectedTab) { |
| //TODO need to just repaint the tab area! |
| tabPane.repaint(); |
| } else { |
| if ((oldRolloverTab >= 0) && (oldRolloverTab < tabPane.getTabCount())) { |
| r = getTabBounds(tabPane, oldRolloverTab); |
| if (r != null) { |
| tabPane.repaint(r); |
| } |
| } |
| |
| if (index >= 0) { |
| r = getTabBounds(tabPane, index); |
| if (r != null) { |
| tabPane.repaint(r); |
| } |
| } |
| } |
| } |
| |
| private void paintTab(SynthContext ss, Graphics g, |
| int tabPlacement, Rectangle[] rects, int tabIndex, |
| Rectangle iconRect, Rectangle textRect) { |
| Rectangle tabRect = rects[tabIndex]; |
| int selectedIndex = tabPane.getSelectedIndex(); |
| boolean isSelected = selectedIndex == tabIndex; |
| updateTabContext(tabIndex, isSelected, isSelected && selectedTabIsPressed, |
| (getRolloverTab() == tabIndex), |
| (getFocusIndex() == tabIndex)); |
| |
| SynthLookAndFeel.updateSubregion(ss, g, tabRect); |
| int x = tabRect.x; |
| int y = tabRect.y; |
| int height = tabRect.height; |
| int width = tabRect.width; |
| int placement = tabPane.getTabPlacement(); |
| if (extendTabsToBase && runCount > 1) { |
| //paint this tab such that its edge closest to the base is equal to |
| //edge of the selected tab closest to the base. In terms of the TOP |
| //tab placement, this will cause the bottom of each tab to be |
| //painted even with the bottom of the selected tab. This is because |
| //in each tab placement (TOP, LEFT, BOTTOM, RIGHT) the selected tab |
| //is closest to the base. |
| if (selectedIndex >= 0) { |
| Rectangle r = rects[selectedIndex]; |
| switch (placement) { |
| case TOP: |
| int bottomY = r.y + r.height; |
| height = bottomY - tabRect.y; |
| break; |
| case LEFT: |
| int rightX = r.x + r.width; |
| width = rightX - tabRect.x; |
| break; |
| case BOTTOM: |
| int topY = r.y; |
| height = (tabRect.y + tabRect.height) - topY; |
| y = topY; |
| break; |
| case RIGHT: |
| int leftX = r.x; |
| width = (tabRect.x + tabRect.width) - leftX; |
| x = leftX; |
| break; |
| } |
| } |
| } |
| tabContext.getPainter().paintTabbedPaneTabBackground(tabContext, g, |
| x, y, width, height, tabIndex, placement); |
| tabContext.getPainter().paintTabbedPaneTabBorder(tabContext, g, |
| x, y, width, height, tabIndex, placement); |
| |
| if (tabPane.getTabComponentAt(tabIndex) == null) { |
| String title = tabPane.getTitleAt(tabIndex); |
| Font font = ss.getStyle().getFont(ss); |
| FontMetrics metrics = SwingUtilities2.getFontMetrics(tabPane, g, font); |
| Icon icon = getIconForTab(tabIndex); |
| |
| layoutLabel(ss, tabPlacement, metrics, tabIndex, title, icon, |
| tabRect, iconRect, textRect, isSelected); |
| |
| paintText(ss, g, tabPlacement, font, metrics, |
| tabIndex, title, textRect, isSelected); |
| |
| paintIcon(g, tabPlacement, tabIndex, icon, iconRect, isSelected); |
| } |
| } |
| |
| private void layoutLabel(SynthContext ss, int tabPlacement, |
| FontMetrics metrics, int tabIndex, |
| String title, Icon icon, |
| Rectangle tabRect, Rectangle iconRect, |
| Rectangle textRect, boolean isSelected ) { |
| View v = getTextViewForTab(tabIndex); |
| if (v != null) { |
| tabPane.putClientProperty("html", v); |
| } |
| |
| textRect.x = textRect.y = iconRect.x = iconRect.y = 0; |
| |
| ss.getStyle().getGraphicsUtils(ss).layoutText(ss, metrics, title, |
| icon, SwingUtilities.CENTER, SwingUtilities.CENTER, |
| SwingUtilities.LEADING, SwingUtilities.CENTER, |
| tabRect, iconRect, textRect, textIconGap); |
| |
| tabPane.putClientProperty("html", null); |
| |
| int xNudge = getTabLabelShiftX(tabPlacement, tabIndex, isSelected); |
| int yNudge = getTabLabelShiftY(tabPlacement, tabIndex, isSelected); |
| iconRect.x += xNudge; |
| iconRect.y += yNudge; |
| textRect.x += xNudge; |
| textRect.y += yNudge; |
| } |
| |
| private void paintText(SynthContext ss, |
| Graphics g, int tabPlacement, |
| Font font, FontMetrics metrics, int tabIndex, |
| String title, Rectangle textRect, |
| boolean isSelected) { |
| g.setFont(font); |
| |
| View v = getTextViewForTab(tabIndex); |
| if (v != null) { |
| // html |
| v.paint(g, textRect); |
| } else { |
| // plain text |
| int mnemIndex = tabPane.getDisplayedMnemonicIndexAt(tabIndex); |
| |
| g.setColor(ss.getStyle().getColor(ss, ColorType.TEXT_FOREGROUND)); |
| ss.getStyle().getGraphicsUtils(ss).paintText(ss, g, title, |
| textRect, mnemIndex); |
| } |
| } |
| |
| |
| private void paintContentBorder(SynthContext ss, Graphics g, |
| int tabPlacement, int selectedIndex) { |
| int width = tabPane.getWidth(); |
| int height = tabPane.getHeight(); |
| Insets insets = tabPane.getInsets(); |
| |
| int x = insets.left; |
| int y = insets.top; |
| int w = width - insets.right - insets.left; |
| int h = height - insets.top - insets.bottom; |
| |
| switch(tabPlacement) { |
| case LEFT: |
| x += calculateTabAreaWidth(tabPlacement, runCount, maxTabWidth); |
| w -= (x - insets.left); |
| break; |
| case RIGHT: |
| w -= calculateTabAreaWidth(tabPlacement, runCount, maxTabWidth); |
| break; |
| case BOTTOM: |
| h -= calculateTabAreaHeight(tabPlacement, runCount, maxTabHeight); |
| break; |
| case TOP: |
| default: |
| y += calculateTabAreaHeight(tabPlacement, runCount, maxTabHeight); |
| h -= (y - insets.top); |
| } |
| SynthLookAndFeel.updateSubregion(ss, g, new Rectangle(x, y, w, h)); |
| ss.getPainter().paintTabbedPaneContentBackground(ss, g, x, y, |
| w, h); |
| ss.getPainter().paintTabbedPaneContentBorder(ss, g, x, y, w, h); |
| } |
| |
| private void ensureCurrentLayout() { |
| if (!tabPane.isValid()) { |
| tabPane.validate(); |
| } |
| /* If tabPane doesn't have a peer yet, the validate() call will |
| * silently fail. We handle that by forcing a layout if tabPane |
| * is still invalid. See bug 4237677. |
| */ |
| if (!tabPane.isValid()) { |
| TabbedPaneLayout layout = (TabbedPaneLayout)tabPane.getLayout(); |
| layout.calculateLayoutInfo(); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int calculateMaxTabHeight(int tabPlacement) { |
| FontMetrics metrics = getFontMetrics(tabContext.getStyle().getFont( |
| tabContext)); |
| int tabCount = tabPane.getTabCount(); |
| int result = 0; |
| int fontHeight = metrics.getHeight(); |
| for(int i = 0; i < tabCount; i++) { |
| result = Math.max(calculateTabHeight(tabPlacement, i, fontHeight), result); |
| } |
| return result; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int calculateTabWidth(int tabPlacement, int tabIndex, |
| FontMetrics metrics) { |
| Icon icon = getIconForTab(tabIndex); |
| Insets tabInsets = getTabInsets(tabPlacement, tabIndex); |
| int width = tabInsets.left + tabInsets.right; |
| Component tabComponent = tabPane.getTabComponentAt(tabIndex); |
| if (tabComponent != null) { |
| width += tabComponent.getPreferredSize().width; |
| } else { |
| if (icon != null) { |
| width += icon.getIconWidth() + textIconGap; |
| } |
| View v = getTextViewForTab(tabIndex); |
| if (v != null) { |
| // html |
| width += (int) v.getPreferredSpan(View.X_AXIS); |
| } else { |
| // plain text |
| String title = tabPane.getTitleAt(tabIndex); |
| width += tabContext.getStyle().getGraphicsUtils(tabContext). |
| computeStringWidth(tabContext, metrics.getFont(), |
| metrics, title); |
| } |
| } |
| return width; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected int calculateMaxTabWidth(int tabPlacement) { |
| FontMetrics metrics = getFontMetrics(tabContext.getStyle().getFont( |
| tabContext)); |
| int tabCount = tabPane.getTabCount(); |
| int result = 0; |
| for(int i = 0; i < tabCount; i++) { |
| result = Math.max(calculateTabWidth(tabPlacement, i, metrics), |
| result); |
| } |
| return result; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected Insets getTabInsets(int tabPlacement, int tabIndex) { |
| updateTabContext(tabIndex, false, false, false, |
| (getFocusIndex() == tabIndex)); |
| return tabInsets; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected FontMetrics getFontMetrics() { |
| return getFontMetrics(tabContext.getStyle().getFont(tabContext)); |
| } |
| |
| private FontMetrics getFontMetrics(Font font) { |
| return tabPane.getFontMetrics(font); |
| } |
| |
| private void updateTabContext(int index, boolean selected, |
| boolean isMouseDown, boolean isMouseOver, boolean hasFocus) { |
| int state = 0; |
| if (!tabPane.isEnabled() || !tabPane.isEnabledAt(index)) { |
| state |= SynthConstants.DISABLED; |
| if (selected) { |
| state |= SynthConstants.SELECTED; |
| } |
| } |
| else if (selected) { |
| state |= (SynthConstants.ENABLED | SynthConstants.SELECTED); |
| if (isMouseOver && UIManager.getBoolean("TabbedPane.isTabRollover")) { |
| state |= SynthConstants.MOUSE_OVER; |
| } |
| } |
| else if (isMouseOver) { |
| state |= (SynthConstants.ENABLED | SynthConstants.MOUSE_OVER); |
| } |
| else { |
| state = SynthLookAndFeel.getComponentState(tabPane); |
| state &= ~SynthConstants.FOCUSED; // don't use tabbedpane focus state |
| } |
| if (hasFocus && tabPane.hasFocus()) { |
| state |= SynthConstants.FOCUSED; // individual tab has focus |
| } |
| if (isMouseDown) { |
| state |= SynthConstants.PRESSED; |
| } |
| |
| tabContext.setComponentState(state); |
| } |
| |
| /** |
| * @inheritDoc |
| * |
| * Overridden to create a TabbedPaneLayout subclass which takes into |
| * account tabOverlap. |
| */ |
| @Override |
| protected LayoutManager createLayoutManager() { |
| if (tabPane.getTabLayoutPolicy() == JTabbedPane.SCROLL_TAB_LAYOUT) { |
| return super.createLayoutManager(); |
| } else { /* WRAP_TAB_LAYOUT */ |
| return new TabbedPaneLayout() { |
| @Override |
| public void calculateLayoutInfo() { |
| super.calculateLayoutInfo(); |
| //shift all the tabs, if necessary |
| if (tabOverlap != 0) { |
| int tabCount = tabPane.getTabCount(); |
| //left-to-right/right-to-left only affects layout |
| //when placement is TOP or BOTTOM |
| boolean ltr = tabPane.getComponentOrientation().isLeftToRight(); |
| for (int i = runCount - 1; i >= 0; i--) { |
| int start = tabRuns[i]; |
| int next = tabRuns[(i == runCount - 1)? 0 : i + 1]; |
| int end = (next != 0? next - 1: tabCount - 1); |
| for (int j = start+1; j <= end; j++) { |
| // xshift and yshift represent the amount & |
| // direction to shift the tab in their |
| // respective axis. |
| int xshift = 0; |
| int yshift = 0; |
| // configure xshift and y shift based on tab |
| // position and ltr/rtl |
| switch (tabPane.getTabPlacement()) { |
| case JTabbedPane.TOP: |
| case JTabbedPane.BOTTOM: |
| xshift = ltr ? tabOverlap : -tabOverlap; |
| break; |
| case JTabbedPane.LEFT: |
| case JTabbedPane.RIGHT: |
| yshift = tabOverlap; |
| break; |
| default: //do nothing |
| } |
| rects[j].x += xshift; |
| rects[j].y += yshift; |
| rects[j].width += Math.abs(xshift); |
| rects[j].height += Math.abs(yshift); |
| } |
| } |
| } |
| } |
| }; |
| } |
| } |
| |
| private class SynthScrollableTabButton extends SynthArrowButton implements |
| UIResource { |
| public SynthScrollableTabButton(int direction) { |
| super(direction); |
| setName("TabbedPane.button"); |
| } |
| } |
| } |
