plugins/org.argeo.slc.akb.ui/src/main/java/org/argeo/slc/akb/ui/editors/AbstractAkbNodeEditor.java

   1 package org.argeo.slc.akb.ui.editors;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.Repository;
   5 import javax.jcr.RepositoryException;
   6 import javax.jcr.Session;
   7
   8 import org.argeo.jcr.JcrUtils;
   9 import org.argeo.slc.akb.AkbException;
  10 import org.argeo.slc.akb.ui.AkbUiPlugin;
  11 import org.eclipse.core.runtime.IProgressMonitor;
  12 import org.eclipse.swt.widgets.Composite;
  13 import org.eclipse.ui.IEditorInput;
  14 import org.eclipse.ui.IEditorSite;
  15 import org.eclipse.ui.PartInitException;
  16 import org.eclipse.ui.part.EditorPart;
  17
  18 /**
  19  * Parent Abstract Node editor for AKB. Manage life cycle of the JCR session that
  20  * is bound to it.
  21  */
  22 public abstract class AbstractAkbNodeEditor extends EditorPart {
  23         // private final static Log log = LogFactory
  24         // .getLog(AbstractEntityEditor.class);
  25
  26         // We use a one session per editor pattern to secure various nodes and
  27         // changes life cycle
  28         private Repository repository;
  29         private Session session;
  30
  31         // Business Objects
  32         private Node akbNode;
  33
  34         // LIFE CYCLE
  35         public void init(IEditorSite site, IEditorInput input)
  36                         throws PartInitException {
  37                 setSite(site);
  38                 setInput(input);
  39                 try {
  40                         session = repository.login();
  41                         AkbNodeEditorInput anei = (AkbNodeEditorInput) getEditorInput();
  42                         akbNode = session.getNodeByIdentifier(anei.getIdentifier());
  43
  44                         // try to set a default part name
  45                         updatePartName();
  46
  47                         // update tooltip
  48                         // String displayName = CommonsJcrUtils.get(getEntity(),
  49                         // Property.JCR_TITLE);
  50
  51                         // if (CommonsJcrUtils.isEmptyString(displayName))
  52                         // displayName = "current item";
  53                         // setTitleToolTip("Display and edit information for " +
  54                         // displayName);
  55                 } catch (RepositoryException e) {
  56                         throw new AkbException("Unable open editor for akb node", e);
  57                 }
  58         }
  59
  60         /**
  61          * Overwrite to provide a specific part Name
  62          */
  63         protected void updatePartName() {
  64                 // String name = CommonsJcrUtils.get(entity, Property.JCR_TITLE);
  65                 // if (CommonsJcrUtils.checkNotEmptyString(name)) {
  66                 // if (name.length() > SHORT_NAME_LENGHT)
  67                 // name = name.substring(0, SHORT_NAME_LENGHT - 1) + "...";
  68                 // setPartName(name);
  69                 // }
  70         }
  71
  72         /* EXPOSES TO CHILDREN CLASSES */
  73         protected Session getSession() {
  74                 return session;
  75         }
  76
  77         @Override
  78         public void dispose() {
  79                 try {
  80                         // if (cNode != null)
  81                         // CommonsJcrUtils.cancelAndCheckin(cNode);
  82                 }
  83
  84                 finally {
  85                         JcrUtils.logoutQuietly(session);
  86                 }
  87                 super.dispose();
  88         }
  89
  90         @Override
  91         public void doSaveAs() {
  92                 // unused compulsory method
  93         }
  94
  95         @Override
  96         public void doSave(IProgressMonitor monitor) {
  97                 throw new AkbException("Implement this");
  98         }
  99
 100         @Override
 101         public boolean isDirty() {
 102                 try {
 103                         return session.hasPendingChanges();
 104                 } catch (Exception e) {
 105                         throw new AkbException("Error getting session status.", e);
 106                 }
 107         }
 108
 109         @Override
 110         public boolean isSaveAsAllowed() {
 111                 return false;
 112         }
 113
 114         @Override
 115         public void setFocus() {
 116         }
 117
 118         /* DEPENDENCY INJECTION */
 119         public void setRepository(Repository repository) {
 120                 this.repository = repository;
 121         }
 122 }