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1
19
20
21 package org.netbeans.modules.image;
22
23
24 import java.awt.Graphics  ;
25 import java.awt.Image ;
26 import java.awt.Rectangle ;
27 import java.beans.PropertyEditor ;
28 import java.beans.PropertyEditorSupport ;
29 import java.io.BufferedInputStream ;
30 import java.io.IOException ;
31 import java.lang.reflect.InvocationTargetException ;
32 import java.net.URL ;
33 import javax.swing.Icon ;
34 import javax.swing.ImageIcon ;
35
36 import org.openide.actions.OpenAction;
37 import org.openide.filesystems.FileObject;
38 import org.openide.filesystems.FileStateInvalidException;
39 import org.openide.loaders.*;
40 import org.openide.nodes.*;
41 import org.openide.ErrorManager;
42 import org.openide.util.actions.SystemAction;
43 import org.openide.util.HelpCtx;
44 import org.openide.util.NbBundle;
45
46
47
52 public class ImageDataObject extends MultiDataObject implements CookieSet.Factory {
53
54
55 static final long serialVersionUID = -6035788991669336965L;
56
57
58 private static final String IMAGE_ICON_BASE = "org/netbeans/modules/image/imageObject.png";
60
61 private transient ImageOpenSupport openSupport;
62
63 private transient ImagePrintSupport printSupport;
64
65
70 public ImageDataObject(FileObject pf, MultiFileLoader loader) throws DataObjectExistsException {
71 super(pf, loader);
72
73 getCookieSet().add(ImageOpenSupport.class, this);
74 getCookieSet().add(ImagePrintSupport.class, this);
75 }
76
77
78
79 public Node.Cookie createCookie(Class clazz) {
80 if(clazz.isAssignableFrom(ImageOpenSupport.class))
81 return getOpenSupport();
82 else if( clazz.isAssignableFrom(ImagePrintSupport.class))
83 return getPrintSupport();
84 else
85 return null;
86 }
87
88
89 private ImageOpenSupport getOpenSupport() {
90 if(openSupport == null) {
91 synchronized(this) {
92 if(openSupport == null)
93 openSupport = new ImageOpenSupport(getPrimaryEntry());
94 }
95 }
96
97 return openSupport;
98 }
99
100 protected ImagePrintSupport getPrintSupport(){
101 if(printSupport == null) {
102 synchronized(this) {
103 if(printSupport == null)
104 printSupport = new ImagePrintSupport( this );
105 }
106 }
107 return printSupport;
108 }
109
110
113 public HelpCtx getHelpCtx() {
114 return HelpCtx.DEFAULT_HELP;
115 }
116
117
120 URL getImageURL() {
121 try {
122 return getPrimaryFile().getURL();
123 } catch (FileStateInvalidException ex) {
124 return null;
125 }
126 }
127
128
132 private byte[] getImageData() {
133 try {
134 FileObject fo = getPrimaryFile();
135 byte[] imageData = new byte[(int)fo.getSize()];
136 BufferedInputStream in = new BufferedInputStream (fo.getInputStream());
137 in.read(imageData, 0, (int)fo.getSize());
138 in.close();
139 return imageData;
140 } catch(IOException ioe) {
141 return new byte[0];
142 }
143 }
144
145
150 public Image getImage() throws IOException {
151 return javax.imageio.ImageIO.read(getPrimaryFile().getInputStream());
152 }
153
154
155
157 protected Node createNodeDelegate () {
158 return new ImageNode(this);
159 }
160
161
162
163 private static final class ImageNode extends DataNode {
164
165 public ImageNode(ImageDataObject obj) {
166 super(obj, Children.LEAF);
167 setIconBaseWithExtension(IMAGE_ICON_BASE);
169 setDefaultAction (SystemAction.get (OpenAction.class));
170 }
171
172
173 protected Sheet createSheet() {
174 Sheet s = super.createSheet();
175 Sheet.Set ss = s.get(Sheet.PROPERTIES);
176 if (ss == null) {
177 ss = Sheet.createPropertiesSet();
178 s.put(ss);
179 }
180 ss.put(new ThumbnailProperty(getDataObject()));
181 return s;
182 }
183
184
185
186 private static final class ThumbnailProperty extends PropertySupport.ReadOnly {
187
188 private final DataObject obj;
189
190
191 public ThumbnailProperty(DataObject obj) {
192 super("thumbnail", Icon .class, NbBundle.getMessage(ImageDataObject.class, "PROP_Thumbnail"),
194 NbBundle.getMessage(ImageDataObject.class, "HINT_Thumbnail"));
195 this.obj = obj;
196 }
197
198
199 public Object getValue() throws InvocationTargetException {
200 try {
201 return new ImageIcon (obj.getPrimaryFile().getURL());
202 } catch (FileStateInvalidException fsie) {
203 throw new InvocationTargetException (fsie);
204 }
205 }
206
207
208 public PropertyEditor getPropertyEditor() {
209 return new ThumbnailPropertyEditor();
210 }
211
212
213
214 private final class ThumbnailPropertyEditor extends PropertyEditorSupport {
215
217 public boolean isPaintable() {
218 return true;
219 }
220
221
222 public void paintValue(Graphics g, Rectangle r) {
223 ImageIcon icon = null;
224
225 try {
226 icon = (ImageIcon )ThumbnailProperty.this.getValue();
227 } catch(InvocationTargetException ioe) {
228 if(Boolean.getBoolean("netbeans.debug.exceptions")) { ErrorManager.getDefault().notify(ioe);
230 }
231 }
232
233 if(icon != null) {
234 int iconWidth = icon.getIconWidth();
235 int iconHeight = icon.getIconHeight();
236
237
238 double scale = (double)iconWidth / iconHeight;
240
241 if(iconWidth > r.width) {
242 iconWidth = r.width;
243 iconHeight = (int) (iconWidth / scale);
244 }
245
246 if(iconHeight > r.height) {
247 iconHeight = r.height;
248 iconWidth = (int) (iconHeight * scale);
249 }
250
251 int x;
253 if(iconWidth < r.x) {
254 x = (r.x - iconWidth) / 2;
255 } else {
256 x = 5; }
258
259 int y;
260 if(iconHeight < r.y) {
261 y = (r.y - iconHeight) / 2;
262 } else {
263 y = 0;
264 }
265
266 Graphics g2 = g.create(r.x, r.y, r.width, r.height);
267 g.drawImage(icon.getImage(), x, y, iconWidth, iconHeight, null);
268 }
269 }
270
271
273 public String getAsText() {
274 return null;
275 }
276 } } }
280 }
281 |
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