Add part selection listener to pseudo eclipse forms

diff --git a/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IPartSelectionListener.java b/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IPartSelectionListener.java
new file mode 100644 (file)
index 0000000..0f557d4
--- /dev/null
+++ b/org.argeo.cms.ui/src/org/argeo/cms/ui/eclipse/forms/IPartSelectionListener.java
@@ -0,0 +1,23 @@
+package org.argeo.cms.ui.eclipse.forms;
+
+import org.eclipse.jface.viewers.ISelection;
+
+/**
+ * Form parts can implement this interface if they want to be 
+ * notified when another part on the same form changes selection 
+ * state.
+ * 
+ * @see IFormPart
+ * @since 1.0
+ */
+public interface IPartSelectionListener {
+       /**
+        * Called when the provided part has changed selection state.
+        * 
+        * @param part
+        *            the selection source
+        * @param selection
+        *            the new selection
+        */
+       public void selectionChanged(IFormPart part, ISelection selection);
+}