- Introduce CMS specific TextInterpreter

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / viewers / AbstractPageViewer.java

diff --git a/org.argeo.cms/src/org/argeo/cms/viewers/AbstractPageViewer.java b/org.argeo.cms/src/org/argeo/cms/viewers/AbstractPageViewer.java
index 837cf99292368b9617eeb8cecdfc39d296a57574..abdeb0d619b21bc011053e66747385b1b3c4ad82 100644 (file)
--- a/org.argeo.cms/src/org/argeo/cms/viewers/AbstractPageViewer.java
+++ b/org.argeo.cms/src/org/argeo/cms/viewers/AbstractPageViewer.java
@@ -5,6 +5,7 @@ import java.util.Observer;
 
 import javax.jcr.Node;
 import javax.jcr.RepositoryException;
+import javax.jcr.Session;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -20,6 +21,7 @@ import org.eclipse.swt.events.MouseListener;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Widget;
+import org.xml.sax.SAXParseException;
 
 /** Base class for viewers related to a page */
 public abstract class AbstractPageViewer extends ContentViewer implements
@@ -165,8 +167,16 @@ public abstract class AbstractPageViewer extends ContentViewer implements
                        if (edited == part)
                                return;
 
-                       if (edited != null && edited != part)
-                               stopEditing(true);
+                       if (edited != null && edited != part) {
+                               EditablePart previouslyEdited = edited;
+                               try {
+                                       stopEditing(true);
+                               } catch (Exception e) {
+                                       notifyEditionException(e);
+                                       edit(previouslyEdited, caretPosition);
+                                       return;
+                               }
+                       }
 
                        part.startEditing();
                        updateContent(part);
@@ -247,6 +257,29 @@ public abstract class AbstractPageViewer extends ContentViewer implements
                                        "Edited should not be null or disposed at this stage");
        }
 
+       /** Persist all changes. */
+       protected void persistChanges(Session session) throws RepositoryException {
+               session.save();
+               // TODO notify that changes have been persisted
+       }
+
+       /** Convenience method using a Node in order to save the underlying session. */
+       protected void persistChanges(Node anyNode) throws RepositoryException {
+               persistChanges(anyNode.getSession());
+       }
+
+       /** Notify edition exception */
+       protected void notifyEditionException(Throwable e) {
+               Throwable eToLog = e;
+               if (e instanceof IllegalArgumentException)
+                       if (e.getCause() instanceof SAXParseException)
+                               eToLog = e.getCause();
+               log.error(eToLog.getMessage());
+               if (log.isTraceEnabled())
+                       log.trace("Full stack of " + eToLog.getMessage(), e);
+               // TODO Light error notification popup
+       }
+
        // GETTERS / SETTERS
        public boolean isReadOnly() {
                return readOnly;