+++ /dev/null
-package org.argeo.cms.ui.util;
-
-import static javax.jcr.Node.JCR_CONTENT;
-import static javax.jcr.Property.JCR_DATA;
-import static javax.jcr.nodetype.NodeType.NT_FILE;
-import static javax.jcr.nodetype.NodeType.NT_RESOURCE;
-import static org.argeo.cms.ui.CmsUiConstants.NO_IMAGE_SIZE;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-
-import javax.jcr.Binary;
-import javax.jcr.Node;
-import javax.jcr.Property;
-import javax.jcr.RepositoryException;
-
-import org.apache.commons.io.IOUtils;
-import org.argeo.api.cms.CmsLog;
-import org.argeo.api.cms.ux.Cms2DSize;
-import org.argeo.api.cms.ux.CmsImageManager;
-import org.argeo.jcr.JcrException;
-import org.argeo.jcr.JcrUtils;
-import org.eclipse.rap.rwt.RWT;
-import org.eclipse.rap.rwt.service.ResourceManager;
-import org.eclipse.rap.rwt.widgets.FileUpload;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.graphics.ImageData;
-import org.eclipse.swt.graphics.Point;
-import org.eclipse.swt.widgets.Control;
-import org.eclipse.swt.widgets.Display;
-import org.eclipse.swt.widgets.Label;
-
-/** Manages only public images so far. */
-public class DefaultImageManager implements CmsImageManager<Control, Node> {
- private final static CmsLog log = CmsLog.getLog(DefaultImageManager.class);
-// private MimetypesFileTypeMap fileTypeMap = new MimetypesFileTypeMap();
-
- public Boolean load(Node node, Control control, Cms2DSize preferredSize) {
- Cms2DSize imageSize = getImageSize(node);
- Cms2DSize size;
- String imgTag = null;
- if (preferredSize == null || imageSize.getWidth() == 0 || imageSize.getHeight() == 0
- || (preferredSize.getWidth() == 0 && preferredSize.getHeight() == 0)) {
- if (imageSize.getWidth() != 0 && imageSize.getHeight() != 0) {
- // actual image size if completely known
- size = imageSize;
- } else {
- // no image if not completely known
- size = resizeTo(NO_IMAGE_SIZE, preferredSize != null ? preferredSize : imageSize);
- imgTag = CmsUiUtils.noImg(size);
- }
-
- } else if (preferredSize.getWidth() != 0 && preferredSize.getHeight() != 0) {
- // given size if completely provided
- size = preferredSize;
- } else {
- // at this stage :
- // image is completely known
- assert imageSize.getWidth() != 0 && imageSize.getHeight() != 0;
- // one and only one of the dimension as been specified
- assert preferredSize.getWidth() == 0 || preferredSize.getHeight() == 0;
- size = resizeTo(imageSize, preferredSize);
- }
-
- boolean loaded = false;
- if (control == null)
- return loaded;
-
- if (control instanceof Label) {
- if (imgTag == null) {
- // IMAGE RETRIEVED HERE
- imgTag = getImageTag(node, size);
- //
- if (imgTag == null)
- imgTag = CmsUiUtils.noImg(size);
- else
- loaded = true;
- }
-
- Label lbl = (Label) control;
- lbl.setText(imgTag);
- // lbl.setSize(size);
- } else if (control instanceof FileUpload) {
- FileUpload lbl = (FileUpload) control;
- lbl.setImage(CmsUiUtils.noImage(size));
- lbl.setSize(new Point(size.getWidth(), size.getHeight()));
- return loaded;
- } else
- loaded = false;
-
- return loaded;
- }
-
- private Cms2DSize resizeTo(Cms2DSize orig, Cms2DSize constraints) {
- if (constraints.getWidth() != 0 && constraints.getHeight() != 0) {
- return constraints;
- } else if (constraints.getWidth() == 0 && constraints.getHeight() == 0) {
- return orig;
- } else if (constraints.getHeight() == 0) {// force width
- return new Cms2DSize(constraints.getWidth(),
- scale(orig.getHeight(), orig.getWidth(), constraints.getWidth()));
- } else if (constraints.getWidth() == 0) {// force height
- return new Cms2DSize(scale(orig.getWidth(), orig.getHeight(), constraints.getHeight()),
- constraints.getHeight());
- }
- throw new IllegalArgumentException("Cannot resize " + orig + " to " + constraints);
- }
-
- private int scale(int origDimension, int otherDimension, int otherConstraint) {
- return Math.round(origDimension * divide(otherConstraint, otherDimension));
- }
-
- private float divide(int a, int b) {
- return ((float) a) / ((float) b);
- }
-
- public Cms2DSize getImageSize(Node node) {
- // TODO optimise
- Image image = getSwtImage(node);
- return new Cms2DSize(image.getBounds().width, image.getBounds().height);
- }
-
- /** @return null if not available */
- @Override
- public String getImageTag(Node node) {
- return getImageTag(node, getImageSize(node));
- }
-
- private String getImageTag(Node node, Cms2DSize size) {
- StringBuilder buf = getImageTagBuilder(node, size);
- if (buf == null)
- return null;
- return buf.append("/>").toString();
- }
-
- /** @return null if not available */
- @Override
- public StringBuilder getImageTagBuilder(Node node, Cms2DSize size) {
- return getImageTagBuilder(node, Integer.toString(size.getWidth()), Integer.toString(size.getHeight()));
- }
-
- /** @return null if not available */
- private StringBuilder getImageTagBuilder(Node node, String width, String height) {
- String url = getImageUrl(node);
- if (url == null)
- return null;
- return CmsUiUtils.imgBuilder(url, width, height);
- }
-
- /** @return null if not available */
- @Override
- public String getImageUrl(Node node) {
- return CmsUiUtils.getDataPathForUrl(node);
- }
-
- protected String getResourceName(Node node) {
- try {
- String workspace = node.getSession().getWorkspace().getName();
- if (node.hasNode(JCR_CONTENT))
- return workspace + '_' + node.getNode(JCR_CONTENT).getIdentifier();
- else
- return workspace + '_' + node.getIdentifier();
- } catch (RepositoryException e) {
- throw new JcrException(e);
- }
- }
-
- public Binary getImageBinary(Node node) {
- try {
- if (node.isNodeType(NT_FILE)) {
- return node.getNode(JCR_CONTENT).getProperty(JCR_DATA).getBinary();
- } else {
- return null;
- }
- } catch (RepositoryException e) {
- throw new JcrException(e);
- }
- }
-
- public Image getSwtImage(Node node) {
- InputStream inputStream = null;
- Binary binary = getImageBinary(node);
- if (binary == null)
- return null;
- try {
- inputStream = binary.getStream();
- return new Image(Display.getCurrent(), inputStream);
- } catch (RepositoryException e) {
- throw new JcrException(e);
- } finally {
- IOUtils.closeQuietly(inputStream);
- JcrUtils.closeQuietly(binary);
- }
- }
-
- @Override
- public String uploadImage(Node context, Node parentNode, String fileName, InputStream in, String contentType) {
- InputStream inputStream = null;
- try {
- String previousResourceName = null;
- if (parentNode.hasNode(fileName)) {
- Node node = parentNode.getNode(fileName);
- previousResourceName = getResourceName(node);
- if (node.hasNode(JCR_CONTENT)) {
- node.getNode(JCR_CONTENT).remove();
- node.addNode(JCR_CONTENT, NT_RESOURCE);
- }
- }
-
- byte[] arr = IOUtils.toByteArray(in);
- Node fileNode = JcrUtils.copyBytesAsFile(parentNode, fileName, arr);
- inputStream = new ByteArrayInputStream(arr);
- ImageData id = new ImageData(inputStream);
- processNewImageFile(context, fileNode, id);
-
- String mime = contentType != null ? contentType : Files.probeContentType(Paths.get(fileName));
- if (mime != null) {
- fileNode.getNode(JCR_CONTENT).setProperty(Property.JCR_MIMETYPE, mime);
- }
- fileNode.getSession().save();
-
- // reset resource manager
- ResourceManager resourceManager = RWT.getResourceManager();
- if (previousResourceName != null && resourceManager.isRegistered(previousResourceName)) {
- resourceManager.unregister(previousResourceName);
- if (log.isDebugEnabled())
- log.debug("Unregistered image " + previousResourceName);
- }
- return CmsUiUtils.getDataPath(fileNode);
- } catch (IOException e) {
- throw new RuntimeException("Cannot upload image " + fileName + " in " + parentNode, e);
- } catch (RepositoryException e) {
- throw new JcrException(e);
- } finally {
- IOUtils.closeQuietly(inputStream);
- }
- }
-
- /** Does nothing by default. */
- protected void processNewImageFile(Node context, Node fileNode, ImageData id)
- throws RepositoryException, IOException {
- }
-}
projects / lgpl / argeo-commons.git / blobdiff