org.jvnet.lafwidget.tabbed.TabHoverPreviewWidget Maven / Gradle / Ivy
/*
* Copyright (c) 2005-2006 Laf-Widget Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of Laf-Widget Kirill Grouchnikov nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jvnet.lafwidget.tabbed;
import java.awt.event.*;
import javax.swing.JComponent;
import javax.swing.JTabbedPane;
import org.jvnet.lafwidget.*;
/**
* Adds tab preview thumbnail on tab mouse hover.
*
* @author Kirill Grouchnikov
*/
public class TabHoverPreviewWidget extends LafWidgetAdapter {
/**
* The associated tabbed pane.
*/
protected JTabbedPane jtp;
/**
* Mouse listener for rollover effects.
*/
protected MouseRolloverHandler baseRolloverHandler;
/**
* Mouse listener for rollover effects.
*
* @author Kirill Grouchnikov
*/
protected class MouseRolloverHandler implements MouseListener,
MouseMotionListener {
/**
* Index of previously rolled-over tab.
*/
int prevRolledOver = -1;
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
*/
public void mouseClicked(MouseEvent e) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
*/
public void mouseDragged(MouseEvent e) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
*/
public void mouseEntered(MouseEvent e) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
*/
public void mousePressed(MouseEvent e) {
TabPreviewWindow.getInstance().cancelPreviewRequest();
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
*/
public void mouseReleased(MouseEvent e) {
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
*/
public void mouseMoved(MouseEvent e) {
if (e.getSource() != TabHoverPreviewWidget.this.jtp)
return;
LafWidgetSupport lafSupport = LafWidgetRepository.getRepository()
.getLafSupport();
int currRolledOver = lafSupport
.getRolloverTabIndex(TabHoverPreviewWidget.this.jtp);
if (currRolledOver >= TabHoverPreviewWidget.this.jtp.getTabCount())
return;
if (currRolledOver != TabHoverPreviewWidget.this.jtp
.getSelectedIndex()) {
if (currRolledOver == this.prevRolledOver) {
if ((currRolledOver >= 0)
&& (currRolledOver < TabHoverPreviewWidget.this.jtp
.getTabCount())
&& TabHoverPreviewWidget.this.jtp
.isEnabledAt(currRolledOver)) {
TabPreviewWindow.getInstance().postPreviewRequest(
TabHoverPreviewWidget.this.jtp, currRolledOver);
}
} else {
if ((this.prevRolledOver >= 0)
&& (this.prevRolledOver < TabHoverPreviewWidget.this.jtp
.getTabCount())
&& TabHoverPreviewWidget.this.jtp
.isEnabledAt(this.prevRolledOver)) {
TabPreviewWindow.getInstance().cancelPreviewRequest();
}
if ((currRolledOver >= 0)
&& (currRolledOver < TabHoverPreviewWidget.this.jtp
.getTabCount())
&& TabHoverPreviewWidget.this.jtp
.isEnabledAt(currRolledOver)) {
TabPreviewWindow.getInstance().postPreviewRequest(
TabHoverPreviewWidget.this.jtp, currRolledOver);
}
}
} else {
// no preview on the selected tab
TabPreviewWindow.getInstance().cancelPreviewRequest();
}
this.prevRolledOver = currRolledOver;
}
/*
* (non-Javadoc)
*
* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
*/
public void mouseExited(MouseEvent e) {
if ((this.prevRolledOver >= 0)
&& (this.prevRolledOver < TabHoverPreviewWidget.this.jtp
.getTabCount())
&& TabHoverPreviewWidget.this.jtp
.isEnabledAt(this.prevRolledOver)) {
TabPreviewWindow.getInstance().cancelPreviewRequest();
}
this.prevRolledOver = -1;
}
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#setComponent(javax.swing.JComponent)
*/
public void setComponent(JComponent jcomp) {
super.setComponent(jcomp);
this.jtp = (JTabbedPane) jcomp;
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#installListeners()
*/
public void installListeners() {
this.baseRolloverHandler = new MouseRolloverHandler();
this.jtp.addMouseMotionListener(this.baseRolloverHandler);
this.jtp.addMouseListener(this.baseRolloverHandler);
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#uninstallListeners()
*/
public void uninstallListeners() {
if (this.baseRolloverHandler != null) {
this.jtp.removeMouseMotionListener(this.baseRolloverHandler);
this.jtp.removeMouseListener(this.baseRolloverHandler);
this.baseRolloverHandler = null;
}
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#uninstallUI()
*/
public void uninstallUI() {
TabPreviewThread.getInstance().cancelTabPreviewRequests(this.jtp);
TabPreviewWindow.getInstance().cancelPreviewRequest();
super.uninstallUI();
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidget#requiresCustomLafSupport()
*/
public boolean requiresCustomLafSupport() {
return true;
}
}