--- /dev/null
+package org.argeo.cms.ui.internal;
+
+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.CmsConstants.NO_IMAGE_SIZE;
+import static org.argeo.cms.CmsTypes.CMS_STYLED;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+
+import javax.activation.MimetypesFileTypeMap;
+import javax.jcr.Binary;
+import javax.jcr.Node;
+import javax.jcr.Property;
+import javax.jcr.RepositoryException;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.argeo.cms.CmsException;
+import org.argeo.cms.CmsImageManager;
+import org.argeo.cms.CmsNames;
+import org.argeo.cms.CmsTypes;
+import org.argeo.cms.util.CmsUtils;
+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 ImageManagerImpl implements CmsImageManager, CmsNames {
+ private final static Log log = LogFactory.getLog(ImageManagerImpl.class);
+ private MimetypesFileTypeMap fileTypeMap = new MimetypesFileTypeMap();
+
+ public Boolean load(Node node, Control control, Point preferredSize)
+ throws RepositoryException {
+ Point imageSize = getImageSize(node);
+ Point size;
+ String imgTag = null;
+ if (preferredSize == null || imageSize.x == 0 || imageSize.y == 0
+ || (preferredSize.x == 0 && preferredSize.y == 0)) {
+ if (imageSize.x != 0 && imageSize.y != 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 = CmsUtils.noImg(size);
+ }
+
+ } else if (preferredSize.x != 0 && preferredSize.y != 0) {
+ // given size if completely provided
+ size = preferredSize;
+ } else {
+ // at this stage :
+ // image is completely known
+ assert imageSize.x != 0 && imageSize.y != 0;
+ // one and only one of the dimension as been specified
+ assert preferredSize.x == 0 || preferredSize.y == 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 = CmsUtils.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(CmsUtils.noImage(size));
+ lbl.setSize(size);
+ return loaded;
+ } else
+ loaded = false;
+
+ return loaded;
+ }
+
+ private Point resizeTo(Point orig, Point constraints) {
+ if (constraints.x != 0 && constraints.y != 0) {
+ return constraints;
+ } else if (constraints.x == 0 && constraints.y == 0) {
+ return orig;
+ } else if (constraints.y == 0) {// force width
+ return new Point(constraints.x,
+ scale(orig.y, orig.x, constraints.x));
+ } else if (constraints.x == 0) {// force height
+ return new Point(scale(orig.x, orig.y, constraints.y),
+ constraints.y);
+ }
+ throw new CmsException("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 Point getImageSize(Node node) throws RepositoryException {
+ return new Point(node.hasProperty(CMS_IMAGE_WIDTH) ? (int) node
+ .getProperty(CMS_IMAGE_WIDTH).getLong() : 0,
+ node.hasProperty(CMS_IMAGE_WIDTH) ? (int) node.getProperty(
+ CMS_IMAGE_HEIGHT).getLong() : 0);
+ }
+
+ /** @return null if not available */
+ @Override
+ public String getImageTag(Node node) throws RepositoryException {
+ return getImageTag(node, getImageSize(node));
+ }
+
+ private String getImageTag(Node node, Point size)
+ throws RepositoryException {
+ 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, Point size)
+ throws RepositoryException {
+ return getImageTagBuilder(node, Integer.toString(size.x),
+ Integer.toString(size.y));
+ }
+
+ /** @return null if not available */
+ private StringBuilder getImageTagBuilder(Node node, String width,
+ String height) throws RepositoryException {
+ String url = getImageUrl(node);
+ if (url == null)
+ return null;
+ return CmsUtils.imgBuilder(url, width, height);
+ }
+
+ /** @return null if not available */
+ @Override
+ public String getImageUrl(Node node) throws RepositoryException {
+ return CmsUtils.getDataPath(node);
+ // String name = getResourceName(node);
+ // ResourceManager resourceManager = RWT.getResourceManager();
+ // if (!resourceManager.isRegistered(name)) {
+ // InputStream inputStream = null;
+ // Binary binary = getImageBinary(node);
+ // if (binary == null)
+ // return null;
+ // try {
+ // inputStream = binary.getStream();
+ // resourceManager.register(name, inputStream);
+ // } finally {
+ // IOUtils.closeQuietly(inputStream);
+ // JcrUtils.closeQuietly(binary);
+ // }
+ // if (log.isTraceEnabled())
+ // log.trace("Registered image " + name);
+ // }
+ // return resourceManager.getLocation(name);
+ }
+
+ protected String getResourceName(Node node) throws RepositoryException {
+ String workspace = node.getSession().getWorkspace().getName();
+ if (node.hasNode(JCR_CONTENT))
+ return workspace + '_' + node.getNode(JCR_CONTENT).getIdentifier();
+ else
+ return workspace + '_' + node.getIdentifier();
+ }
+
+ public Binary getImageBinary(Node node) throws RepositoryException {
+ if (node.isNodeType(NT_FILE))
+ return node.getNode(JCR_CONTENT).getProperty(JCR_DATA).getBinary();
+ else if (node.isNodeType(CMS_STYLED) && node.hasProperty(CMS_DATA)) {
+ return node.getProperty(CMS_DATA).getBinary();
+ } else {
+ return null;
+ }
+ }
+
+ public Image getSwtImage(Node node) throws RepositoryException {
+ InputStream inputStream = null;
+ Binary binary = getImageBinary(node);
+ if (binary == null)
+ return null;
+ try {
+ inputStream = binary.getStream();
+ return new Image(Display.getCurrent(), inputStream);
+ } finally {
+ IOUtils.closeQuietly(inputStream);
+ JcrUtils.closeQuietly(binary);
+ }
+ }
+
+ @Override
+ public String uploadImage(Node parentNode, String fileName, InputStream in)
+ throws RepositoryException {
+ 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);
+ fileNode.addMixin(CmsTypes.CMS_IMAGE);
+
+ inputStream = new ByteArrayInputStream(arr);
+ ImageData id = new ImageData(inputStream);
+ fileNode.setProperty(CMS_IMAGE_WIDTH, id.width);
+ fileNode.setProperty(CMS_IMAGE_HEIGHT, id.height);
+ fileNode.setProperty(Property.JCR_MIMETYPE,
+ fileTypeMap.getContentType(fileName));
+ 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 getImageUrl(fileNode);
+ } catch (IOException e) {
+ throw new CmsException("Cannot upload image " + fileName + " in "
+ + parentNode, e);
+ } finally {
+ IOUtils.closeQuietly(inputStream);
+ }
+ }
+}
projects / lgpl / argeo-commons.git / blobdiff