CmsTextEditor.java

   1 package org.argeo.cms.e4.parts;
   2
   3 import java.util.Observable;
   4 import java.util.Observer;
   5
   6 import javax.annotation.PostConstruct;
   7 import javax.annotation.PreDestroy;
   8 import javax.inject.Inject;
   9 import javax.jcr.Node;
  10 import javax.jcr.Repository;
  11 import javax.jcr.RepositoryException;
  12 import javax.jcr.Session;
  13
  14 import org.argeo.cms.CmsException;
  15 import org.argeo.cms.CmsTypes;
  16 import org.argeo.cms.text.StandardTextEditor;
  17 import org.argeo.cms.viewers.JcrVersionCmsEditable;
  18 import org.argeo.jcr.JcrUtils;
  19 import org.eclipse.e4.ui.di.Persist;
  20 import org.eclipse.e4.ui.model.application.ui.basic.MPart;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.layout.GridLayout;
  23 import org.eclipse.swt.widgets.Composite;
  24
  25 public class CmsTextEditor implements Observer {
  26         @Inject
  27         Repository repository;
  28
  29         @Inject
  30         private MPart mpart;
  31
  32         Session session;
  33         JcrVersionCmsEditable cmsEditable;
  34
  35         @PostConstruct
  36         public void createUI(Composite parent) {
  37                 try {
  38                         parent.setLayout(new GridLayout());
  39                         session = repository.login();
  40                         JcrUtils.loginOrCreateWorkspace(repository, "demo");
  41                         Node textNode = JcrUtils.getOrAdd(session.getRootNode(), "text", CmsTypes.CMS_TEXT);
  42                         cmsEditable = new JcrVersionCmsEditable(textNode);
  43                         if (session.hasPendingChanges())
  44                                 session.save();
  45                         cmsEditable.addObserver(this);
  46                         StandardTextEditor textEditor = new StandardTextEditor(parent, SWT.NONE, textNode, cmsEditable);
  47                         mpart.setDirty(cmsEditable.isEditing());
  48                 } catch (RepositoryException e) {
  49                         throw new CmsException("Cannot create text editor", e);
  50                 }
  51         }
  52
  53         @PreDestroy
  54         public void dispose() {
  55                 JcrUtils.logoutQuietly(session);
  56         }
  57
  58         @Persist
  59         public void save() {
  60                 cmsEditable.stopEditing();
  61         }
  62
  63         @Override
  64         public void update(Observable o, Object arg) {
  65                 // CmsEditable cmsEditable = (CmsEditable) o;
  66                 mpart.setDirty(isDirty());
  67         }
  68
  69         boolean isDirty() {
  70                 return cmsEditable.isEditing();
  71         }
  72
  73 }