Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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.desktop;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.image.BufferedImage;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.util.WeakHashMap;
import javax.swing.*;
import javax.swing.JInternalFrame.JDesktopIcon;
import javax.swing.border.Border;
import javax.swing.event.MouseInputAdapter;
import javax.swing.plaf.basic.BasicInternalFrameUI;
import org.jvnet.lafwidget.*;
/**
* Adds internal frame thumbnail preview on desktop icon mouse hover.
*
* @author Kirill Grouchnikov
*/
public class DesktopIconHoverPreviewWidget extends LafWidgetAdapter {
/**
* The associated desktop icon.
*/
protected JDesktopIcon desktopIcon;
/**
* The component that initiates the desktop icon preview (when the mouse
* hover above it).
*/
protected JComponent compToHover;
/**
* Listens on the changes to the ancestor.
*/
protected PropertyChangeListener internalFramePropertyListener;
/**
* Snapshot map.
*/
private static WeakHashMap snapshots = new WeakHashMap();
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#setComponent(javax.swing.JComponent)
*/
public void setComponent(JComponent jcomp) {
super.setComponent(jcomp);
this.desktopIcon = (JDesktopIcon) jcomp;
}
/**
* Preview window (activated on hover).
*/
private JWindow previewWindow;
/**
* Indicates whether the corresponding desktop icon is dragged.
*/
private boolean isInDrag;
/**
* Mouse handler for the {@link #compToHover}.
*/
protected TitleMouseHandler titleMouseHandler;
/**
* Mouse handler for showing / hiding the preview window.
*
* @author Kirill Grouchnikov.
*/
protected class TitleMouseHandler extends MouseInputAdapter {
public void mouseEntered(MouseEvent e) {
if (DesktopIconHoverPreviewWidget.this.isInDrag)
return;
final BufferedImage previewImage = DesktopIconHoverPreviewWidget
.getSnapshot(DesktopIconHoverPreviewWidget.this.desktopIcon
.getInternalFrame());
if (previewImage != null) {
DesktopIconHoverPreviewWidget.this.previewWindow
.getContentPane().removeAll();
JLabel previewLabel = new JLabel(new ImageIcon(previewImage));
// previewLabel.setBorder(new SubstanceBorder());
DesktopIconHoverPreviewWidget.this.previewWindow
.getContentPane()
.add(previewLabel, BorderLayout.CENTER);
DesktopIconHoverPreviewWidget.this.previewWindow.setSize(
previewImage.getWidth(), previewImage.getHeight());
DesktopIconHoverPreviewWidget.this.syncPreviewWindow(true);
DesktopIconHoverPreviewWidget.this.previewWindow
.setVisible(true);
}
}
public void mouseExited(MouseEvent e) {
DesktopIconHoverPreviewWidget.this.isInDrag = false;
DesktopIconHoverPreviewWidget.this.previewWindow.dispose();// setVisible(false);
}
public void mousePressed(MouseEvent e) {
DesktopIconHoverPreviewWidget.this.previewWindow.dispose();// setVisible(false);
}
public void mouseReleased(MouseEvent e) {
DesktopIconHoverPreviewWidget.this.isInDrag = false;
DesktopIconHoverPreviewWidget.this.syncPreviewWindow(true);
DesktopIconHoverPreviewWidget.this.previewWindow.setVisible(true);
}
public void mouseDragged(MouseEvent e) {
DesktopIconHoverPreviewWidget.this.isInDrag = true;
if (DesktopIconHoverPreviewWidget.this.previewWindow.isVisible()) {
DesktopIconHoverPreviewWidget.this.syncPreviewWindow(false);
DesktopIconHoverPreviewWidget.this.previewWindow.dispose();// setVisible(false);
}
}
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#installComponents()
*/
public void installComponents() {
this.previewWindow = new JWindow();
this.previewWindow.getContentPane().setLayout(new BorderLayout());
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#installListeners()
*/
public void installListeners() {
this.internalFramePropertyListener = new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
if ("ancestor".equals(evt.getPropertyName())) {
DesktopIconHoverPreviewWidget
.updateSnapshot(DesktopIconHoverPreviewWidget.this.desktopIcon
.getInternalFrame());
}
}
};
this.desktopIcon.getInternalFrame().addPropertyChangeListener(
this.internalFramePropertyListener);
this.titleMouseHandler = new TitleMouseHandler();
LafWidgetSupport lafSupport = LafWidgetRepository.getRepository()
.getLafSupport();
this.compToHover = lafSupport.getComponentForHover(this.desktopIcon);
if (this.compToHover != null) {
this.compToHover.addMouseMotionListener(this.titleMouseHandler);
this.compToHover.addMouseListener(this.titleMouseHandler);
}
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidgetAdapter#uninstallListeners()
*/
public void uninstallListeners() {
this.desktopIcon.getInternalFrame().removePropertyChangeListener(
this.internalFramePropertyListener);
this.internalFramePropertyListener = null;
if (this.compToHover != null) {
this.compToHover.removeMouseMotionListener(this.titleMouseHandler);
this.compToHover.removeMouseListener(this.titleMouseHandler);
}
this.titleMouseHandler = null;
}
/**
* Synchronizes the preview window.
*
* @param toShow
* Indication whether the preview window is shown.
*/
private void syncPreviewWindow(boolean toShow) {
if (toShow) {
int x = this.desktopIcon.getLocationOnScreen().x;
int y = this.desktopIcon.getLocationOnScreen().y;
this.previewWindow.setLocation(x, y
- this.previewWindow.getHeight());
}
}
/**
* Updates the snapshot of the specified internal frame.
*
* @param frame
* Internal frame.
*/
private static void updateSnapshot(JInternalFrame frame) {
if (!frame.isShowing())
return;
// Draw the current state of the internal frame to a
// temp image (w/o border and decorations). It would be nice
// to use Robot, but this frame may be partially obscured,
// so we take our chances that the frame will be properly
// drawn by the user code.
int frameWidth = frame.getWidth();
int frameHeight = frame.getHeight();
int dx = 0;
int dy = 0;
// Now we need to remove the border and the title pane :)
Border internalFrameBorder = UIManager
.getBorder("InternalFrame.border");
Insets borderInsets = internalFrameBorder.getBorderInsets(frame);
dx += borderInsets.left;
dy += borderInsets.top;
frameWidth -= (borderInsets.left + borderInsets.right);
frameHeight -= (borderInsets.top + borderInsets.bottom);
BasicInternalFrameUI frameUI = (BasicInternalFrameUI) frame.getUI();
JComponent frameTitlePane = frameUI.getNorthPane();
if (frameTitlePane != null) {
dy += frameTitlePane.getHeight();
frameHeight -= frameTitlePane.getHeight();
}
// fix for defect 112 - checking frame height and width
if ((frameWidth > 0) && (frameHeight > 0)) {
// draw frame (note the canvas translation)
BufferedImage tempCanvas = new BufferedImage(frameWidth,
frameHeight, BufferedImage.TYPE_INT_ARGB);
Graphics tempCanvasGraphics = tempCanvas.getGraphics();
tempCanvasGraphics.translate(-dx, -dy);
frame.paint(tempCanvasGraphics);
int maxWidth = UIManager.getInt("DesktopIcon.width");
int maxHeight = maxWidth;
// check if need to scale down
double coef = Math.min((double) maxWidth / (double) frameWidth,
(double) maxHeight / (double) frameHeight);
if (coef < 1.0) {
int sdWidth = (int) (coef * frameWidth);
// int sdHeight = (int) (coef * frameHeight);
// BufferedImage scaledDown = new BufferedImage(sdWidth,
// sdHeight,
// BufferedImage.TYPE_INT_ARGB);
// Graphics g = scaledDown.getGraphics();
// g.drawImage(tempCanvas, 0, 0, sdWidth, sdHeight, 0, 0,
// frameWidth, frameHeight, null);
BufferedImage scaledDown = LafWidgetUtilities.createThumbnail(
tempCanvas, sdWidth);
// System.out.println("Putting " + frame.hashCode() + "
// -> " + scaledDown.hashCode());
DesktopIconHoverPreviewWidget.snapshots.put(frame, scaledDown);
} else {
// System.out.println("Putting " + frame.hashCode() + "
// -> " + snapshot.hashCode());
DesktopIconHoverPreviewWidget.snapshots.put(frame, tempCanvas);
}
}
}
/**
* Returns the snapshot of the specified internal frame.
*
* @param frame
* Internal frame.
* @return The snapshot of the specified internal frame.
*/
public static synchronized BufferedImage getSnapshot(JInternalFrame frame) {
BufferedImage result = (BufferedImage) DesktopIconHoverPreviewWidget.snapshots
.get(frame);
if (result != null)
return result;
// frame.setVisible(true);
// updateSnapshot(frame);
// frame.setVisible(false);
// return snapshots.get(frame);
return null;
}
/*
* (non-Javadoc)
*
* @see org.jvnet.lafwidget.LafWidget#requiresCustomLafSupport()
*/
public boolean requiresCustomLafSupport() {
return false;
}
}
