org.netbeans.modules.image.ImageDataObject Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.netbeans.modules.image;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Rectangle;
import java.beans.PropertyEditor;
import java.beans.PropertyEditorSupport;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.InvocationTargetException;
import javax.swing.Action;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import org.openide.actions.OpenAction;
import org.openide.filesystems.FileObject;
import org.openide.loaders.*;
import org.openide.nodes.*;
import org.openide.filesystems.MIMEResolver;
import org.openide.util.Lookup;
import org.openide.util.actions.SystemAction;
import org.openide.util.HelpCtx;
import org.openide.util.NbBundle;
import org.openide.util.NbBundle.Messages;
/**
* Object that represents one file containing an image.
* @author Petr Hamernik, Jaroslav Tulach, Ian Formanek, Michael Wever
* @author Marian Petras
*/
public class ImageDataObject extends MultiDataObject implements CookieSet.Factory {
@MIMEResolver.ExtensionRegistration(
displayName="#ImageMimeResolverJPG",
mimeType=ImageDataLoader.JPEG_MIME_TYPE,
extension={"jpg", "JPG", "jpe", "JPE", "jpeg", "JPEG"},
showInFileChooser={"#ResourceFiles"},
position=110
)
@Messages("ImageMimeResolverJPG=JPEG Image Files")
/** Generated serialized version UID. */
static final long serialVersionUID = -6035788991669336965L;
@MIMEResolver.ExtensionRegistration(
displayName="#ImageMimeResolverGIF",
mimeType=ImageDataLoader.GIF_MIME_TYPE,
extension={"gif", "GIF"},
showInFileChooser={"#ResourceFiles"},
position=111
)
@Messages("ImageMimeResolverGIF=GIF Image Files")
/** Base for image resource. */
private static final String IMAGE_ICON_BASE = "org/netbeans/modules/image/imageObject.png"; // NOI18N
@MIMEResolver.ExtensionRegistration(
displayName="#ImageMimeResolverPNG",
mimeType=ImageDataLoader.PNG_MIME_TYPE,
extension={"png", "PNG"},
showInFileChooser={"#ResourceFiles"},
position=112
)
@Messages("ImageMimeResolverPNG=PNG Image Files")
/** Open support for this image data object. */
private transient ImageOpenSupport openSupport;
@MIMEResolver.ExtensionRegistration(
displayName="#ImageMimeResolverBMP",
mimeType=ImageDataLoader.BMP_MIME_TYPE,
extension={"bmp", "BMP"},
showInFileChooser={"#ResourceFiles"},
position=113
)
@Messages("ImageMimeResolverBMP=BMP Image Files")
/** Print support for this image data object **/
private transient ImagePrintSupport printSupport;
/** Constructor.
* @param pf primary file object for this data object
* @param loader the data loader creating it
* @exception DataObjectExistsException if there was already a data object for it
*/
@SuppressWarnings("LeakingThisInConstructor")
public ImageDataObject(FileObject pf, MultiFileLoader loader) throws DataObjectExistsException {
super(pf, loader);
getCookieSet().add(ImageOpenSupport.class, this);
getCookieSet().add(ImagePrintSupport.class, this);
}
/** Implements CookieSet.Factory interface. */
@Override
public T createCookie(Class clazz) {
if(clazz.isAssignableFrom(ImageOpenSupport.class))
return clazz.cast(getOpenSupport());
else if( clazz.isAssignableFrom(ImagePrintSupport.class))
return clazz.cast(getPrintSupport());
else
return null;
}
@Override
public Lookup getLookup() {
return getCookieSet().getLookup();
}
/** Gets image open support. */
private synchronized ImageOpenSupport getOpenSupport() {
if(openSupport == null) {
openSupport = new ImageOpenSupport(getPrimaryEntry());
}
return openSupport;
}
protected synchronized ImagePrintSupport getPrintSupport(){
if(printSupport == null) {
printSupport = new ImagePrintSupport( this );
}
return printSupport;
}
/** Help context for this object.
* @return the help context
*/
@Override
public HelpCtx getHelpCtx() {
return HelpCtx.DEFAULT_HELP;
}
// Michael Wever 26/09/2001
/** Gets image for the image data
* @return the image or null if image could not be created
* @return java.io.IOException if an error occurs during reading
*/
public Image getImage() throws IOException {
try (InputStream input = getPrimaryFile().getInputStream()) {
return javax.imageio.ImageIO.read(input);
} catch (IndexOutOfBoundsException ioobe) {
return null;
}
}
/** Create a node to represent the image. Overrides superclass method.
* @return node delegate */
@Override
protected Node createNodeDelegate () {
return new ImageNode(this);
}
/** Node representing ImageDataObject. */
private static final class ImageNode extends DataNode {
/** Constructs image node. */
public ImageNode(ImageDataObject obj) {
super(obj, Children.LEAF);
//setIconBase(IMAGE_ICON_BASE);
setIconBaseWithExtension(IMAGE_ICON_BASE);
}
@Override
public Action getPreferredAction() {
return SystemAction.get(OpenAction.class);
}
/** Creates property sheet. Ovrrides superclass method. */
@Override
protected Sheet createSheet() {
Sheet s = super.createSheet();
Sheet.Set ss = s.get(Sheet.PROPERTIES);
if (ss == null) {
ss = Sheet.createPropertiesSet();
s.put(ss);
}
ss.put(new ImageWidthProperty());
ss.put(new ImageHeightProperty());
ss.put(new ThumbnailProperty(getDataObject()));
return s;
}
/** Property representing for thumbanil property in the sheet. */
private static final class ThumbnailProperty extends PropertySupport.ReadOnly {
/** (Image) data object associated with. */
private final DataObject obj;
/** Constructs property. */
public ThumbnailProperty(DataObject obj) {
super("thumbnail", Icon.class, // NOI18N
NbBundle.getMessage(ImageDataObject.class, "PROP_Thumbnail"),
NbBundle.getMessage(ImageDataObject.class, "HINT_Thumbnail"));
this.obj = obj;
}
/** Gets value of property. Overrides superclass method. */
@Override
public Icon getValue() {
return new ImageIcon(obj.getPrimaryFile().toURL());
}
/** Gets property editor. */
@Override
public PropertyEditor getPropertyEditor() {
return new ThumbnailPropertyEditor();
}
/** Property editor for thumbnail property. */
private final class ThumbnailPropertyEditor extends PropertyEditorSupport {
/** Overrides superclass method.
* @return true */
@Override
public boolean isPaintable() {
return true;
}
/** Patins thumbanil of the image. Overrides superclass method. */
@Override
public void paintValue(Graphics g, Rectangle r) {
ImageIcon icon = (ImageIcon)ThumbnailProperty.this.getValue();
if (icon != null) {
int iconWidth = icon.getIconWidth();
int iconHeight = icon.getIconHeight();
// Shrink image if necessary.
double scale = (double)iconWidth / iconHeight;
if(iconWidth > r.width) {
iconWidth = r.width;
iconHeight = (int) (iconWidth / scale);
}
if(iconHeight > r.height) {
iconHeight = r.height;
iconWidth = (int) (iconHeight * scale);
}
// Try to center it if it fits, else paint as much as possible.
int x;
if(iconWidth < r.x) {
x = (r.x - iconWidth) / 2;
} else {
x = 5; // XXX Indent.
}
int y;
if(iconHeight < r.y) {
y = (r.y - iconHeight) / 2;
} else {
y = 0;
}
g.drawImage(icon.getImage(), x, y, iconWidth, iconHeight, null);
}
}
/** Overrides superclass method.
* @return null */
@Override
public String getAsText() {
return null;
}
} // End of class ThumbnailPropertyEditor.
} // End of class ThumbnailProperty.
/** Property representing for image width property in the sheet. */
private final class ImageWidthProperty extends PropertySupport.ReadOnly {
/** Constructs property. */
public ImageWidthProperty() {
super("width", Integer.class, // NOI18N
NbBundle.getMessage(ImageDataObject.class, "PROP_Image_Width"), // NOI18N
NbBundle.getMessage(ImageDataObject.class, "HINT_Image_Width")); // NOI18N
}
/** Gets value of property. Overrides superclass method. */
@Override
public Integer getValue() throws InvocationTargetException {
final Icon icon = new ImageIcon(getDataObject().getPrimaryFile().toURL());
return icon.getIconWidth();
}
} // End of class ImageWidthProperty.
/** Property representing for image height property in the sheet. */
private final class ImageHeightProperty extends PropertySupport.ReadOnly {
/** Constructs property. */
public ImageHeightProperty() {
super("height", Integer.class, // NOI18N
NbBundle.getMessage(ImageDataObject.class,
"PROP_Image_Height"), // NOI18N
NbBundle.getMessage(ImageDataObject.class,
"HINT_Image_Height")); // NOI18N
}
/** Gets value of property. Overrides superclass method. */
@Override
public Integer getValue() throws InvocationTargetException {
final Icon icon = new ImageIcon(getDataObject().getPrimaryFile().toURL());
return icon.getIconHeight();
}
} // End of class ImageHeightProperty.
} // End of class ImageNode.
}
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