1 /*
   2  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.apple.laf;
  27 
  28 import java.awt.Color;
  29 import java.awt.Font;
  30 import java.awt.FontMetrics;
  31 import java.awt.Graphics2D;
  32 import java.awt.Rectangle;
  33 import javax.swing.JComponent;
  34 import javax.swing.UIManager;
  35 import javax.swing.plaf.ComponentUI;
  36 import javax.swing.plaf.UIResource;
  37 import javax.swing.text.View;
  38 
  39 import sun.swing.SwingUtilities2;
  40 
  41 import apple.laf.JRSUIConstants.*;
  42 
  43 public class AquaTabbedPaneContrastUI extends AquaTabbedPaneUI {
  44     public static ComponentUI createUI(final JComponent c) {
  45         return new AquaTabbedPaneContrastUI();
  46     }
  47 
  48     public AquaTabbedPaneContrastUI() { }
  49 
  50     protected void paintTitle(final Graphics2D g2d, final Font font, final FontMetrics metrics, final Rectangle textRect, final int tabIndex, final String title) {
  51         final View v = getTextViewForTab(tabIndex);
  52         if (v != null) {
  53             v.paint(g2d, textRect);
  54             return;
  55         }
  56 
  57         if (title == null) return;
  58 
  59         final Color color = tabPane.getForegroundAt(tabIndex);
  60         if (color instanceof UIResource) {
  61             g2d.setColor(getNonSelectedTabTitleColor());
  62             if (tabPane.getSelectedIndex() == tabIndex) {
  63                 boolean pressed = isPressedAt(tabIndex);
  64                 boolean enabled = tabPane.isEnabled() && tabPane.isEnabledAt(tabIndex);
  65                 Color textColor = getSelectedTabTitleColor(enabled, pressed);
  66                 Color shadowColor = getSelectedTabTitleShadowColor(enabled);
  67                 AquaUtils.paintDropShadowText(g2d, tabPane, font, metrics, textRect.x, textRect.y, 0, 1, textColor, shadowColor, title);
  68                 return;
  69             }
  70         } else {
  71             g2d.setColor(color);
  72         }
  73         g2d.setFont(font);
  74         SwingUtilities2.drawString(tabPane, g2d, title, textRect.x, textRect.y + metrics.getAscent());
  75     }
  76 
  77     protected static Color getSelectedTabTitleColor(boolean enabled, boolean pressed) {
  78         if (enabled && pressed) {
  79             return UIManager.getColor("TabbedPane.selectedTabTitlePressedColor");
  80         } else if (!enabled) {
  81             return UIManager.getColor("TabbedPane.selectedTabTitleDisabledColor");
  82         } else {
  83             return UIManager.getColor("TabbedPane.selectedTabTitleNormalColor");
  84         }
  85     }
  86 
  87     protected static Color getSelectedTabTitleShadowColor(boolean enabled) {
  88         return enabled ? UIManager.getColor("TabbedPane.selectedTabTitleShadowNormalColor") : UIManager.getColor("TabbedPane.selectedTabTitleShadowDisabledColor");
  89     }
  90 
  91     protected static Color getNonSelectedTabTitleColor() {
  92         return UIManager.getColor("TabbedPane.nonSelectedTabTitleNormalColor");
  93     }
  94 
  95     protected boolean isPressedAt(int index) {
  96         return ((MouseHandler)mouseListener).trackingTab == index;
  97     }
  98 
  99     protected boolean shouldRepaintSelectedTabOnMouseDown() {
 100         return true;
 101     }
 102 
 103     protected State getState(final int index, final boolean frameActive, final boolean isSelected) {
 104         if (!frameActive) return State.INACTIVE;
 105         if (!tabPane.isEnabled()) return State.DISABLED;
 106         if (pressedTab == index) return State.PRESSED;
 107         return State.ACTIVE;
 108     }
 109 
 110     protected SegmentTrailingSeparator getSegmentTrailingSeparator(final int index, final int selectedIndex, final boolean isLeftToRight) {
 111         if (isTabBeforeSelectedTab(index, selectedIndex, isLeftToRight)) return SegmentTrailingSeparator.NO;
 112         return SegmentTrailingSeparator.YES;
 113     }
 114 
 115     protected SegmentLeadingSeparator getSegmentLeadingSeparator(final int index, final int selectedIndex, final boolean isLeftToRight) {
 116         if (index == selectedIndex) return SegmentLeadingSeparator.YES;
 117         return SegmentLeadingSeparator.NO;
 118     }
 119 }