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Java example source code file (AquaTabbedPaneContrastUI.java)

This example Java source code file (AquaTabbedPaneContrastUI.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

aquatabbedpanecontrastui, aquatabbedpaneui, awt, color, componentui, fontmetrics, graphics2d, gui, jcomponent, plaf, rectangle, segmentleadingseparator, segmenttrailingseparator, state, string, swing, text, uiresource, view

The AquaTabbedPaneContrastUI.java Java example source code

/*
 * Copyright (c) 2011, 2012, 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 com.apple.laf;

import java.awt.Color;
import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import javax.swing.JComponent;
import javax.swing.UIManager;
import javax.swing.plaf.ComponentUI;
import javax.swing.plaf.UIResource;
import javax.swing.text.View;

import sun.swing.SwingUtilities2;

import apple.laf.JRSUIConstants.*;

public class AquaTabbedPaneContrastUI extends AquaTabbedPaneUI {
    public static ComponentUI createUI(final JComponent c) {
        return new AquaTabbedPaneContrastUI();
    }

    public AquaTabbedPaneContrastUI() { }

    protected void paintTitle(final Graphics2D g2d, final Font font, final FontMetrics metrics, final Rectangle textRect, final int tabIndex, final String title) {
        final View v = getTextViewForTab(tabIndex);
        if (v != null) {
            v.paint(g2d, textRect);
            return;
        }

        if (title == null) return;

        final Color color = tabPane.getForegroundAt(tabIndex);
        if (color instanceof UIResource) {
            g2d.setColor(getNonSelectedTabTitleColor());
            if (tabPane.getSelectedIndex() == tabIndex) {
                boolean pressed = isPressedAt(tabIndex);
                boolean enabled = tabPane.isEnabled() && tabPane.isEnabledAt(tabIndex);
                Color textColor = getSelectedTabTitleColor(enabled, pressed);
                Color shadowColor = getSelectedTabTitleShadowColor(enabled);
                AquaUtils.paintDropShadowText(g2d, tabPane, font, metrics, textRect.x, textRect.y, 0, 1, textColor, shadowColor, title);
                return;
            }
        } else {
            g2d.setColor(color);
        }
        g2d.setFont(font);
        SwingUtilities2.drawString(tabPane, g2d, title, textRect.x, textRect.y + metrics.getAscent());
    }

    protected static Color getSelectedTabTitleColor(boolean enabled, boolean pressed) {
        if (enabled && pressed) {
            return UIManager.getColor("TabbedPane.selectedTabTitlePressedColor");
        } else if (!enabled) {
            return UIManager.getColor("TabbedPane.selectedTabTitleDisabledColor");
        } else {
            return UIManager.getColor("TabbedPane.selectedTabTitleNormalColor");
        }
    }

    protected static Color getSelectedTabTitleShadowColor(boolean enabled) {
        return enabled ? UIManager.getColor("TabbedPane.selectedTabTitleShadowNormalColor") : UIManager.getColor("TabbedPane.selectedTabTitleShadowDisabledColor");
    }

    protected static Color getNonSelectedTabTitleColor() {
        return UIManager.getColor("TabbedPane.nonSelectedTabTitleNormalColor");
    }

    protected boolean isPressedAt(int index) {
        return ((MouseHandler)mouseListener).trackingTab == index;
    }

    protected boolean shouldRepaintSelectedTabOnMouseDown() {
        return true;
    }

    protected State getState(final int index, final boolean frameActive, final boolean isSelected) {
        if (!frameActive) return State.INACTIVE;
        if (!tabPane.isEnabled()) return State.DISABLED;
        if (pressedTab == index) return State.PRESSED;
        return State.ACTIVE;
    }

    protected SegmentTrailingSeparator getSegmentTrailingSeparator(final int index, final int selectedIndex, final boolean isLeftToRight) {
        if (isTabBeforeSelectedTab(index, selectedIndex, isLeftToRight)) return SegmentTrailingSeparator.NO;
        return SegmentTrailingSeparator.YES;
    }

    protected SegmentLeadingSeparator getSegmentLeadingSeparator(final int index, final int selectedIndex, final boolean isLeftToRight) {
        if (index == selectedIndex) return SegmentLeadingSeparator.YES;
        return SegmentLeadingSeparator.NO;
    }
}

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