X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=publishing%2Forg.argeo.publishing.ui%2Fsrc%2Forg%2Fargeo%2Fdocbook%2FDbkUtils.java;fp=publishing%2Forg.argeo.publishing.ui%2Fsrc%2Forg%2Fargeo%2Fdocbook%2FDbkUtils.java;h=6a8da8e5d54c88bc4392fd3b8e58894e19047166;hp=0000000000000000000000000000000000000000;hb=06db6a211a46ba994d007e30f62704165c413177;hpb=4f4e2b4985cc4cc910da83398e8a9cd37645ef9c

diff --git a/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java
new file mode 100644
index 0000000..6a8da8e
--- /dev/null
+++ b/publishing/org.argeo.publishing.ui/src/org/argeo/docbook/DbkUtils.java
@@ -0,0 +1,96 @@
+package org.argeo.docbook;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.nodetype.NodeType;
+
+import org.argeo.docbook.ui.DocBookNames;
+import org.argeo.docbook.ui.DocBookTypes;
+import org.argeo.entity.EntityNames;
+import org.argeo.entity.EntityType;
+import org.argeo.jcr.Jcr;
+import org.argeo.jcr.JcrException;
+import org.argeo.jcr.JcrUtils;
+import org.argeo.jcr.JcrxApi;
+
+/** Utilities around DocBook. */
+public class DbkUtils {
+	public static String getTitle(Node node) {
+		return JcrxApi.getXmlValue(node, DocBookTypes.TITLE);
+	}
+
+	public static void setTitle(Node node, String txt) {
+		try {
+			Node titleNode = JcrUtils.getOrAdd(node, DocBookTypes.TITLE, DocBookTypes.TITLE);
+			JcrxApi.setXmlValue(node, titleNode, txt);
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot add empty paragraph to " + node, e);
+		}
+	}
+
+	public static Node getMetadata(Node infoContainer) {
+		try {
+			if (!infoContainer.hasNode(DocBookTypes.INFO))
+				return null;
+			Node info = infoContainer.getNode(DocBookTypes.INFO);
+			if (!info.hasNode(EntityType.local.get()))
+				return null;
+			return info.getNode(EntityType.local.get());
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot retrieve metadata from " + infoContainer, e);
+		}
+	}
+
+	public static Node getChildByRole(Node parent, String role) {
+		try {
+			NodeIterator baseSections = parent.getNodes();
+			while (baseSections.hasNext()) {
+				Node n = baseSections.nextNode();
+				String r = Jcr.get(n, DocBookNames.DBK_ROLE);
+				if (r != null && r.equals(role))
+					return n;
+			}
+			return null;
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot get child from " + parent + " with role " + role, e);
+		}
+	}
+
+	public static Node addParagraph(Node node, String txt) {
+		try {
+			Node para = node.addNode(DocBookTypes.PARA, DocBookTypes.PARA);
+			JcrxApi.setXmlValue(node, para, txt);
+			return para;
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot add empty paragraph to " + node, e);
+		}
+	}
+
+	public static Node insertImageAfter(Node sibling) {
+		try {
+			Node parent = sibling.getParent();
+			Node mediaNode = parent.addNode(DocBookTypes.MEDIAOBJECT, DocBookTypes.MEDIAOBJECT);
+			// TODO optimise?
+			parent.orderBefore(mediaNode.getName() + "[" + mediaNode.getIndex() + "]",
+					sibling.getName() + "[" + sibling.getIndex() + "]");
+			parent.orderBefore(sibling.getName() + "[" + sibling.getIndex() + "]",
+					mediaNode.getName() + "[" + mediaNode.getIndex() + "]");
+
+			Node imageNode = mediaNode.addNode(DocBookTypes.IMAGEOBJECT, DocBookTypes.IMAGEOBJECT);
+			Node infoNode = imageNode.addNode(DocBookTypes.INFO, DocBookTypes.INFO);
+			Node imageDataNode = JcrUtils.copyBytesAsFile(infoNode, EntityType.box.get(), new byte[0]);
+			imageDataNode.addMixin(EntityType.box.get());
+			imageDataNode.setProperty(EntityNames.SVG_WIDTH, 0);
+			imageDataNode.setProperty(EntityNames.SVG_LENGTH, 0);
+			imageDataNode.addMixin(NodeType.MIX_MIMETYPE);
+			return imageDataNode;
+		} catch (RepositoryException e) {
+			throw new JcrException("Cannot insert empty image after " + sibling, e);
+		}
+	}
+
+	/** Singleton. */
+	private DbkUtils() {
+	}
+}