CmsUiProvider.java

   1 package org.argeo.cms.ui;
   2
   3 import javax.jcr.Node;
   4 import javax.jcr.RepositoryException;
   5
   6 import org.argeo.api.MvcProvider;
   7 import org.eclipse.swt.widgets.Composite;
   8 import org.eclipse.swt.widgets.Control;
   9
  10 /** Stateless factory building an SWT user interface given a JCR context. */
  11 @FunctionalInterface
  12 public interface CmsUiProvider extends MvcProvider<Composite, Node, Control> {
  13         /**
  14          * Initialises a user interface.
  15          *
  16          * @param parent  the parent composite
  17          * @param context a context node (holding the JCR underlying session), or null
  18          */
  19         Control createUi(Composite parent, Node context) throws RepositoryException;
  20
  21         @Override
  22         default Control createUiPart(Composite parent, Node context) {
  23                 try {
  24                         return createUi(parent, context);
  25                 } catch (RepositoryException e) {
  26                         throw new IllegalStateException("Cannot create UI for context " + context, e);
  27                 }
  28         }
  29
  30 }