X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2FAbstractCmsEntryPoint.java;h=56e5d69141d4954e0762733ad7ff49ada9a1dda4;hb=56db62a204d7c371f4e496f9cbe45efe1d9a563a;hp=c101c021f134bc36602a0dc93b1a6da661ac4039;hpb=e6d2d877a7208a13c05a9c9a8b67641972f13870;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/AbstractCmsEntryPoint.java b/org.argeo.cms/src/org/argeo/cms/AbstractCmsEntryPoint.java
index c101c021f..56e5d6914 100644
--- a/org.argeo.cms/src/org/argeo/cms/AbstractCmsEntryPoint.java
+++ b/org.argeo.cms/src/org/argeo/cms/AbstractCmsEntryPoint.java
@@ -1,10 +1,13 @@
 package org.argeo.cms;
 
+import static javax.jcr.Property.JCR_DESCRIPTION;
+
 import java.security.PrivilegedAction;
 import java.util.HashMap;
 import java.util.Map;
 
 import javax.jcr.Node;
+import javax.jcr.NodeIterator;
 import javax.jcr.Property;
 import javax.jcr.Repository;
 import javax.jcr.RepositoryException;
@@ -14,13 +17,14 @@ import javax.security.auth.Subject;
 import javax.security.auth.login.CredentialNotFoundException;
 import javax.security.auth.login.LoginContext;
 import javax.security.auth.login.LoginException;
+import javax.servlet.http.HttpServletRequest;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.argeo.ArgeoException;
 import org.argeo.cms.auth.AuthConstants;
 import org.argeo.cms.auth.HttpRequestCallbackHandler;
-import org.argeo.cms.ui.UxContext;
+import org.argeo.cms.util.CmsUtils;
 import org.argeo.eclipse.ui.specific.UiContext;
 import org.argeo.jcr.JcrUtils;
 import org.eclipse.rap.rwt.RWT;
@@ -233,18 +237,6 @@ public abstract class AbstractCmsEntryPoint extends AbstractEntryPoint
 		});
 	}
 
-	// @Override
-	// public Object local(Msg msg) {
-	// String key = msg.getId();
-	// int lastDot = key.lastIndexOf('.');
-	// String className = key.substring(0, lastDot);
-	// String fieldName = key.substring(lastDot + 1);
-	// Locale locale = RWT.getLocale();
-	// ResourceBundle rb = ResourceBundle.getBundle(className, locale,
-	// msg.getClassLoader());
-	// return rb.getString(fieldName);
-	// }
-
 	/** Sets the state of the entry point and retrieve the related JCR node. */
 	protected synchronized String setState(String newState) {
 		String previousState = this.state;
@@ -284,7 +276,8 @@ public abstract class AbstractCmsEntryPoint extends AbstractEntryPoint
 						+ " - " + getBaseTitle();
 			else
 				title = getBaseTitle();
-			jsExecutor.execute("document.title = \"" + title + "\"");
+
+			publishMetaData(title);
 
 			if (log.isTraceEnabled())
 				log.trace("node=" + node + ", state=" + state + " (page="
@@ -301,6 +294,45 @@ public abstract class AbstractCmsEntryPoint extends AbstractEntryPoint
 		}
 	}
 
+	private void publishMetaData(String title) throws RepositoryException {
+		HttpServletRequest request = UiContext.getHttpRequest();
+		if (request == null)
+			return;
+		String url = CmsUtils.getCanonicalUrl(node, request);
+		String desc = node.hasProperty(JCR_DESCRIPTION) ? node.getProperty(
+				JCR_DESCRIPTION).getString() : null;
+		String imgUrl = null;
+		for (NodeIterator it = node.getNodes(); it.hasNext();) {
+			Node child = it.nextNode();
+			if (child.isNodeType(CmsTypes.CMS_IMAGE))
+				imgUrl = CmsUtils.getDataUrl(child, request);
+		}
+
+		StringBuilder js = new StringBuilder();
+		js.append("document.title = '" + title + "';");
+		js.append("var metas = document.getElementsByTagName('meta');");
+		js.append("for (var i=0; i<metas.length; i++) {");
+		js.append("	if (metas[i].getAttribute('property'))");
+		js.append("	 if(metas[i].getAttribute('property')=='og:title')");
+		js.append("	  metas[i].setAttribute('content','" + title + "');");
+		js.append("	 else if(metas[i].getAttribute('property')=='og:url')");
+		js.append("	  metas[i].setAttribute('content','" + url + "');");
+		js.append("	 else if(metas[i].getAttribute('property')=='og:type')");
+		js.append("	  metas[i].setAttribute('content','website');");
+		if (desc != null) {
+			js.append("	 else if(metas[i].getAttribute('property')=='og:decription')");
+			js.append("	  metas[i].setAttribute('content','" + desc + "');");
+		}
+		if (imgUrl != null) {
+			js.append("	 else if(metas[i].getAttribute('property')=='og:image')");
+			js.append("	  metas[i].setAttribute('content','" + imgUrl + "');");
+		} else {
+			// TODO reset default image
+		}
+		js.append("	};");
+		jsExecutor.execute(js.toString());
+	}
+
 	protected Node getNode() {
 		return node;
 	}