1 package org
.argeo
.cms
.ui
.util
;
3 import static javax
.jcr
.Node
.JCR_CONTENT
;
4 import static javax
.jcr
.Property
.JCR_DATA
;
5 import static javax
.jcr
.nodetype
.NodeType
.NT_FILE
;
6 import static javax
.jcr
.nodetype
.NodeType
.NT_RESOURCE
;
7 import static org
.argeo
.cms
.ui
.CmsUiConstants
.NO_IMAGE_SIZE
;
9 import java
.io
.ByteArrayInputStream
;
10 import java
.io
.IOException
;
11 import java
.io
.InputStream
;
12 import java
.nio
.file
.Files
;
13 import java
.nio
.file
.Paths
;
15 import javax
.jcr
.Binary
;
16 import javax
.jcr
.Node
;
17 import javax
.jcr
.Property
;
18 import javax
.jcr
.RepositoryException
;
20 import org
.apache
.commons
.io
.IOUtils
;
21 import org
.argeo
.api
.cms
.CmsLog
;
22 import org
.argeo
.api
.cms
.ux
.Cms2DSize
;
23 import org
.argeo
.api
.cms
.ux
.CmsImageManager
;
24 import org
.argeo
.jcr
.JcrException
;
25 import org
.argeo
.jcr
.JcrUtils
;
26 import org
.eclipse
.rap
.rwt
.RWT
;
27 import org
.eclipse
.rap
.rwt
.service
.ResourceManager
;
28 import org
.eclipse
.rap
.rwt
.widgets
.FileUpload
;
29 import org
.eclipse
.swt
.graphics
.Image
;
30 import org
.eclipse
.swt
.graphics
.ImageData
;
31 import org
.eclipse
.swt
.graphics
.Point
;
32 import org
.eclipse
.swt
.widgets
.Control
;
33 import org
.eclipse
.swt
.widgets
.Display
;
34 import org
.eclipse
.swt
.widgets
.Label
;
36 /** Manages only public images so far. */
37 public class DefaultImageManager
implements CmsImageManager
<Control
, Node
> {
38 private final static CmsLog log
= CmsLog
.getLog(DefaultImageManager
.class);
39 // private MimetypesFileTypeMap fileTypeMap = new MimetypesFileTypeMap();
41 public Boolean
load(Node node
, Control control
, Cms2DSize preferredSize
) {
42 Cms2DSize imageSize
= getImageSize(node
);
45 if (preferredSize
== null || imageSize
.getWidth() == 0 || imageSize
.getHeight() == 0
46 || (preferredSize
.getWidth() == 0 && preferredSize
.getHeight() == 0)) {
47 if (imageSize
.getWidth() != 0 && imageSize
.getHeight() != 0) {
48 // actual image size if completely known
51 // no image if not completely known
52 size
= resizeTo(NO_IMAGE_SIZE
, preferredSize
!= null ? preferredSize
: imageSize
);
53 imgTag
= CmsUiUtils
.noImg(size
);
56 } else if (preferredSize
.getWidth() != 0 && preferredSize
.getHeight() != 0) {
57 // given size if completely provided
61 // image is completely known
62 assert imageSize
.getWidth() != 0 && imageSize
.getHeight() != 0;
63 // one and only one of the dimension as been specified
64 assert preferredSize
.getWidth() == 0 || preferredSize
.getHeight() == 0;
65 size
= resizeTo(imageSize
, preferredSize
);
68 boolean loaded
= false;
72 if (control
instanceof Label
) {
74 // IMAGE RETRIEVED HERE
75 imgTag
= getImageTag(node
, size
);
78 imgTag
= CmsUiUtils
.noImg(size
);
83 Label lbl
= (Label
) control
;
86 } else if (control
instanceof FileUpload
) {
87 FileUpload lbl
= (FileUpload
) control
;
88 lbl
.setImage(CmsUiUtils
.noImage(size
));
89 lbl
.setSize(new Point(size
.getWidth(), size
.getHeight()));
97 private Cms2DSize
resizeTo(Cms2DSize orig
, Cms2DSize constraints
) {
98 if (constraints
.getWidth() != 0 && constraints
.getHeight() != 0) {
100 } else if (constraints
.getWidth() == 0 && constraints
.getHeight() == 0) {
102 } else if (constraints
.getHeight() == 0) {// force width
103 return new Cms2DSize(constraints
.getWidth(),
104 scale(orig
.getHeight(), orig
.getWidth(), constraints
.getWidth()));
105 } else if (constraints
.getWidth() == 0) {// force height
106 return new Cms2DSize(scale(orig
.getWidth(), orig
.getHeight(), constraints
.getHeight()),
107 constraints
.getHeight());
109 throw new IllegalArgumentException("Cannot resize " + orig
+ " to " + constraints
);
112 private int scale(int origDimension
, int otherDimension
, int otherConstraint
) {
113 return Math
.round(origDimension
* divide(otherConstraint
, otherDimension
));
116 private float divide(int a
, int b
) {
117 return ((float) a
) / ((float) b
);
120 public Cms2DSize
getImageSize(Node node
) {
122 Image image
= getSwtImage(node
);
123 return new Cms2DSize(image
.getBounds().width
, image
.getBounds().height
);
126 /** @return null if not available */
128 public String
getImageTag(Node node
) {
129 return getImageTag(node
, getImageSize(node
));
132 private String
getImageTag(Node node
, Cms2DSize size
) {
133 StringBuilder buf
= getImageTagBuilder(node
, size
);
136 return buf
.append("/>").toString();
139 /** @return null if not available */
141 public StringBuilder
getImageTagBuilder(Node node
, Cms2DSize size
) {
142 return getImageTagBuilder(node
, Integer
.toString(size
.getWidth()), Integer
.toString(size
.getHeight()));
145 /** @return null if not available */
146 private StringBuilder
getImageTagBuilder(Node node
, String width
, String height
) {
147 String url
= getImageUrl(node
);
150 return CmsUiUtils
.imgBuilder(url
, width
, height
);
153 /** @return null if not available */
155 public String
getImageUrl(Node node
) {
156 return CmsUiUtils
.getDataPathForUrl(node
);
159 protected String
getResourceName(Node node
) {
161 String workspace
= node
.getSession().getWorkspace().getName();
162 if (node
.hasNode(JCR_CONTENT
))
163 return workspace
+ '_' + node
.getNode(JCR_CONTENT
).getIdentifier();
165 return workspace
+ '_' + node
.getIdentifier();
166 } catch (RepositoryException e
) {
167 throw new JcrException(e
);
171 public Binary
getImageBinary(Node node
) {
173 if (node
.isNodeType(NT_FILE
)) {
174 return node
.getNode(JCR_CONTENT
).getProperty(JCR_DATA
).getBinary();
178 } catch (RepositoryException e
) {
179 throw new JcrException(e
);
183 public Image
getSwtImage(Node node
) {
184 InputStream inputStream
= null;
185 Binary binary
= getImageBinary(node
);
189 inputStream
= binary
.getStream();
190 return new Image(Display
.getCurrent(), inputStream
);
191 } catch (RepositoryException e
) {
192 throw new JcrException(e
);
194 IOUtils
.closeQuietly(inputStream
);
195 JcrUtils
.closeQuietly(binary
);
200 public String
uploadImage(Node context
, Node parentNode
, String fileName
, InputStream in
, String contentType
) {
201 InputStream inputStream
= null;
203 String previousResourceName
= null;
204 if (parentNode
.hasNode(fileName
)) {
205 Node node
= parentNode
.getNode(fileName
);
206 previousResourceName
= getResourceName(node
);
207 if (node
.hasNode(JCR_CONTENT
)) {
208 node
.getNode(JCR_CONTENT
).remove();
209 node
.addNode(JCR_CONTENT
, NT_RESOURCE
);
213 byte[] arr
= IOUtils
.toByteArray(in
);
214 Node fileNode
= JcrUtils
.copyBytesAsFile(parentNode
, fileName
, arr
);
215 inputStream
= new ByteArrayInputStream(arr
);
216 ImageData id
= new ImageData(inputStream
);
217 processNewImageFile(context
, fileNode
, id
);
219 String mime
= contentType
!= null ? contentType
: Files
.probeContentType(Paths
.get(fileName
));
221 fileNode
.getNode(JCR_CONTENT
).setProperty(Property
.JCR_MIMETYPE
, mime
);
223 fileNode
.getSession().save();
225 // reset resource manager
226 ResourceManager resourceManager
= RWT
.getResourceManager();
227 if (previousResourceName
!= null && resourceManager
.isRegistered(previousResourceName
)) {
228 resourceManager
.unregister(previousResourceName
);
229 if (log
.isDebugEnabled())
230 log
.debug("Unregistered image " + previousResourceName
);
232 return CmsUiUtils
.getDataPath(fileNode
);
233 } catch (IOException e
) {
234 throw new RuntimeException("Cannot upload image " + fileName
+ " in " + parentNode
, e
);
235 } catch (RepositoryException e
) {
236 throw new JcrException(e
);
238 IOUtils
.closeQuietly(inputStream
);
242 /** Does nothing by default. */
243 protected void processNewImageFile(Node context
, Node fileNode
, ImageData id
)
244 throws RepositoryException
, IOException
{