Put Eclipse and JCR components in subdirs in order to clarify indirect

[lgpl/argeo-commons.git] / jcr / org.argeo.cms.ui / src / org / argeo / cms / ui / CmsUiProvider.java

diff --git a/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsUiProvider.java b/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsUiProvider.java
new file mode 100644 (file)
index 0000000..ec76321
--- /dev/null
+++ b/jcr/org.argeo.cms.ui/src/org/argeo/cms/ui/CmsUiProvider.java
@@ -0,0 +1,30 @@
+package org.argeo.cms.ui;
+
+import javax.jcr.Node;
+import javax.jcr.RepositoryException;
+
+import org.argeo.api.cms.MvcProvider;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+
+/** Stateless factory building an SWT user interface given a JCR context. */
+@FunctionalInterface
+public interface CmsUiProvider extends MvcProvider<Composite, Node, Control> {
+       /**
+        * Initialises a user interface.
+        * 
+        * @param parent  the parent composite
+        * @param context a context node (holding the JCR underlying session), or null
+        */
+       Control createUi(Composite parent, Node context) throws RepositoryException;
+
+       @Override
+       default Control createUiPart(Composite parent, Node context) {
+               try {
+                       return createUi(parent, context);
+               } catch (RepositoryException e) {
+                       throw new IllegalStateException("Cannot create UI for context " + context, e);
+               }
+       }
+
+}