org.argeo.cms.ui/src/org/argeo/cms/ui/CmsUiProvider.java

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