Added addDeleteResourceToCheck hook
diff --git a/1.5/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/actions/LibraryViewDeleteAction.java b/1.5/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/actions/LibraryViewDeleteAction.java
index 166cb58..c747c6a 100644
--- a/1.5/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/actions/LibraryViewDeleteAction.java
+++ b/1.5/plugins/org.eclipse.epf.authoring.ui/src/org/eclipse/epf/authoring/ui/actions/LibraryViewDeleteAction.java
@@ -26,6 +26,7 @@
 import org.eclipse.epf.authoring.ui.AuthoringUIResources;
 import org.eclipse.epf.authoring.ui.editors.IEditorKeeper;
 import org.eclipse.epf.authoring.ui.views.LibraryView;
+import org.eclipse.epf.common.utils.FileUtil;
 import org.eclipse.epf.library.LibraryService;
 import org.eclipse.epf.library.LibraryServiceUtil;
 import org.eclipse.epf.library.edit.FeatureValueWrapperItemProvider;
@@ -194,6 +195,7 @@
 						modifiedResources.add(container.eResource());
 					}
 				}
+				FileUtil.getValidateEdit().addDeleteResourceToCheck(modifiedResources, object);
 			}
 		}
 
diff --git a/1.5/plugins/org.eclipse.epf.common/src/org/eclipse/epf/common/utils/ValidateEdit.java b/1.5/plugins/org.eclipse.epf.common/src/org/eclipse/epf/common/utils/ValidateEdit.java
index f079218..7768586 100644
--- a/1.5/plugins/org.eclipse.epf.common/src/org/eclipse/epf/common/utils/ValidateEdit.java
+++ b/1.5/plugins/org.eclipse.epf.common/src/org/eclipse/epf/common/utils/ValidateEdit.java
@@ -1,5 +1,7 @@
 package org.eclipse.epf.common.utils;
 
+import java.util.Set;
+
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IWorkspace;
 import org.eclipse.core.runtime.IStatus;
@@ -18,6 +20,9 @@
 	}
 	
 	public void sychnConneciton() {		
-	}	
+	}
+	
+	public void addDeleteResourceToCheck(Set modifiedResources, Object deleteObject) {		
+	}
 	
 }