X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=org.argeo.app.ui%2Fsrc%2Forg%2Fargeo%2Fapp%2Fui%2Fdocbook%2FDbkImageManager.java;fp=org.argeo.app.ui%2Fsrc%2Forg%2Fargeo%2Fapp%2Fui%2Fdocbook%2FDbkImageManager.java;h=32bbdd9cf4cee3186d9a4009cc812d1fed0177b2;hp=0000000000000000000000000000000000000000;hb=6e56ffa34cb02ab04d028423aea342e3dfed4358;hpb=c285180bece610b2c2921d44fe14b6dde2123efa

diff --git a/org.argeo.app.ui/src/org/argeo/app/ui/docbook/DbkImageManager.java b/org.argeo.app.ui/src/org/argeo/app/ui/docbook/DbkImageManager.java
new file mode 100644
index 0000000..32bbdd9
--- /dev/null
+++ b/org.argeo.app.ui/src/org/argeo/app/ui/docbook/DbkImageManager.java
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+package org.argeo.app.ui.docbook;
+
+import static javax.jcr.Node.JCR_CONTENT;
+import static javax.jcr.Property.JCR_DATA;
+import static javax.jcr.nodetype.NodeType.NT_FILE;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+
+import javax.jcr.Binary;
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+import javax.jcr.nodetype.NodeType;
+
+import org.argeo.api.cms.Cms2DSize;
+import org.argeo.api.cms.CmsImageManager;
+import org.argeo.app.api.EntityNames;
+import org.argeo.app.api.EntityType;
+import org.argeo.app.docbook.DbkAttr;
+import org.argeo.app.docbook.DbkType;
+import org.argeo.app.docbook.DbkUtils;
+import org.argeo.cms.ui.util.CmsUiUtils;
+import org.argeo.cms.ui.util.DefaultImageManager;
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.eclipse.swt.graphics.ImageData;
+
+/** Add DocBook images support to {@link CmsImageManager}. */
+public class DbkImageManager extends DefaultImageManager {
+	private Node baseFolder = null;
+
+	public DbkImageManager(Node baseFolder) {
+		this.baseFolder = baseFolder;
+	}
+
+	Node getImageDataNode(Node mediaObjectNode) {
+		try {
+			if (mediaObjectNode.hasNode(DbkType.imageobject.get())) {
+				Node imageDataNode = mediaObjectNode.getNode(DbkType.imageobject.get())
+						.getNode(DbkType.imagedata.get());
+				return imageDataNode;
+			} else {
+				throw new IllegalStateException("No image data found for " + mediaObjectNode);
+			}
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	@Override
+	public Binary getImageBinary(Node node) {
+		Node fileNode = null;
+		if (DbkUtils.isDbk(node, DbkType.mediaobject)) {
+			Node imageDataNode = getImageDataNode(node);
+			fileNode = getFileNode(imageDataNode);
+		}
+		try {
+			if (node.isNodeType(NT_FILE)) {
+				fileNode = node;
+			}
+			if (fileNode != null) {
+				return node.getNode(JCR_CONTENT).getProperty(JCR_DATA).getBinary();
+			} else {
+				return null;
+			}
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	public Cms2DSize getImageSize(Node mediaObjectNode) {
+		Node imageDataNode = getImageDataNode(mediaObjectNode);
+		Node fileNode = getFileNode(imageDataNode);
+		if (fileNode == null)
+			return new Cms2DSize(0, 0);
+		try {
+			Cms2DSize intrinsicSize;
+			if (fileNode.hasProperty(EntityNames.SVG_WIDTH) && fileNode.hasProperty(EntityNames.SVG_HEIGHT)) {
+				int width = (int) fileNode.getProperty(EntityNames.SVG_WIDTH).getLong();
+				int height = (int) fileNode.getProperty(EntityNames.SVG_HEIGHT).getLong();
+				intrinsicSize = new Cms2DSize(width, height);
+			} else {
+				try (InputStream in = JcrUtils.getFileAsStream(fileNode)) {
+					ImageData id = new ImageData(in);
+					intrinsicSize = updateSize(fileNode, id);
+				} catch (IOException e) {
+					throw new RuntimeException("Cannot load file " + fileNode, e);
+				}
+			}
+			// TODO interpret image data infos
+			return intrinsicSize;
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	protected Cms2DSize updateSize(Node fileNode, ImageData id) throws RepositoryException {
+		fileNode.addMixin(EntityType.box.get());
+		fileNode.setProperty(EntityNames.SVG_WIDTH, id.width);
+		fileNode.setProperty(EntityNames.SVG_HEIGHT, id.height);
+		return new Cms2DSize(id.width, id.height);
+	}
+
+	@Override
+	protected void processNewImageFile(Node mediaObjectNode, Node fileNode, ImageData id)
+			throws RepositoryException, IOException {
+		Node imageDataNode = getImageDataNode(mediaObjectNode);
+		updateSize(fileNode, id);
+		String filePath = fileNode.getPath();
+		String relPath = filePath.substring(baseFolder.getPath().length() + 1);
+		imageDataNode.setProperty(DbkAttr.fileref.name(), relPath);
+	}
+
+	@Override
+	public String getImageUrl(Node mediaObjectNode) {
+		Node imageDataNode = getImageDataNode(mediaObjectNode);
+		// TODO factorise
+		String fileref = null;
+		try {
+			if (imageDataNode.hasProperty(DbkAttr.fileref.name()))
+				fileref = imageDataNode.getProperty(DbkAttr.fileref.name()).getString();
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+		if (fileref == null)
+			return null;
+		URI fileUri;
+		try {
+			// FIXME it messes up with the '/'
+			fileUri = new URI(URLEncoder.encode(fileref, StandardCharsets.UTF_8.toString()));
+		} catch (URISyntaxException | UnsupportedEncodingException e) {
+			throw new IllegalArgumentException("File ref in " + imageDataNode + " is badly formatted", e);
+		}
+		if (fileUri.getScheme() != null)
+			return fileUri.toString();
+		// local
+		Node fileNode = getFileNode(imageDataNode);
+		String url = CmsUiUtils.getDataPathForUrl(fileNode);
+		return url;
+	}
+
+	protected Node getFileNode(Node imageDataNode) {
+		// FIXME make URL use case more robust
+		try {
+			String fileref = null;
+			if (imageDataNode.hasProperty(DbkAttr.fileref.name()))
+				fileref = imageDataNode.getProperty(DbkAttr.fileref.name()).getString();
+			if (fileref == null)
+				return null;
+			Node fileNode;
+			if (fileref.startsWith("/"))
+				fileNode = baseFolder.getSession().getNode(fileref);
+			else
+				fileNode = baseFolder.getNode(fileref);
+			return fileNode;
+		} catch (RepositoryException e) {
+			throw new JcrException(e);
+		}
+	}
+
+	protected Node getMediaFolder() {
+		try {
+			// TODO check edition status
+			Node mediaFolder = JcrUtils.getOrAdd(baseFolder, EntityNames.MEDIA, NodeType.NT_FOLDER);
+			return mediaFolder;
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot get media folder", e);
+		}
+	}
+}