X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=jcr%2Forg.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2FCmsUiProvider.java;fp=jcr%2Forg.argeo.cms.ui%2Fsrc%2Forg%2Fargeo%2Fcms%2Fui%2FCmsUiProvider.java;h=ec76321fee31e2cbcd56a4c3355f1017a07099b3;hb=8282011b0e20e80704b209ad55fa9fb132e16280;hp=0000000000000000000000000000000000000000;hpb=633a8acd189cc22f06944d278879601189be1bc8;p=lgpl%2Fargeo-commons.git

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
index 000000000..ec76321fe
--- /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);
+		}
+	}
+
+}