### Eclipse Workspace Patch 1.0
#P org.eclipse.jdt.core.tests.model
Index: src/org/eclipse/jdt/core/tests/model/CopyMoveResourcesTests.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/CopyMoveResourcesTests.java,v
retrieving revision 1.17
diff -u -r1.17 CopyMoveResourcesTests.java
--- src/org/eclipse/jdt/core/tests/model/CopyMoveResourcesTests.java	14 Sep 2005 14:05:49 -0000	1.17
+++ src/org/eclipse/jdt/core/tests/model/CopyMoveResourcesTests.java	14 Dec 2005 18:20:20 -0000
@@ -196,8 +196,11 @@
 	
 	this.createJavaProject("P", new String[] {"src", "src2"}, "bin");
 }
+static {
+//	TESTS_NAMES = new String[] { "testCopyWorkingCopyDestination"};
+}
 public static Test suite() {
-	return new Suite(CopyMoveResourcesTests.class);
+	return buildTestSuite(CopyMoveResourcesTests.class);
 }
 /**
  * Cleanup after the previous test.
@@ -557,6 +560,40 @@
 		if (copy != null) copy.discardWorkingCopy();
 	}
 }
+/*
+ * Ensures that a CU can be copied over an existing primary working copy in a different package.
+ * (regression test for bug 117282 Package declaration inserted on wrong CU while copying class if names collide and editor opened)
+ */
+public void testCopyWorkingCopyDestination() throws CoreException {
+	ICompilationUnit copy = null;
+	try {
+		createFolder("/P/src/p1");
+		createFile(
+			"/P/src/p1/X.java",
+			"package p1;\n" +
+			"public class X {\n" +
+			"  void foo() {}\n" +
+			"}"
+		);
+		ICompilationUnit cuSource = getCompilationUnit("/P/src/p1/X.java");
+	
+		createFolder("/P/src/p2");
+		IPackageFragment pkgDest = getPackage("/P/src/p2");
+		createFile(
+			"/P/src/p2/X.java",
+			"\n" +
+			"package p1;\n" +
+			"public class X {\n" +
+			"}"
+		);
+		copy = getCompilationUnit("/P/src/p2/X.java");
+		copy.becomeWorkingCopy(null, null);
+	
+		copyPositive(cuSource, pkgDest, null, null, true/*force*/);
+	} finally {
+		if (copy != null) copy.discardWorkingCopy();
+	}
+}
 /**
  * Ensures that a WorkingCopy can be copied to a different package, replacing an existing WorkingCopy.
  */
#P org.eclipse.jdt.core
Index: model/org/eclipse/jdt/internal/core/CopyResourceElementsOperation.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jdt.core/model/org/eclipse/jdt/internal/core/CopyResourceElementsOperation.java,v
retrieving revision 1.100
diff -u -r1.100 CopyResourceElementsOperation.java
--- model/org/eclipse/jdt/internal/core/CopyResourceElementsOperation.java	1 Jun 2005 18:56:14 -0000	1.100
+++ model/org/eclipse/jdt/internal/core/CopyResourceElementsOperation.java	14 Dec 2005 18:20:21 -0000
@@ -247,27 +247,31 @@
 		org.eclipse.jdt.internal.core.CompilationUnit destCU = new org.eclipse.jdt.internal.core.CompilationUnit(dest, destName, DefaultWorkingCopyOwner.PRIMARY);
 		if (!destFile.equals(sourceResource)) {
 			try {
-				if (destFile.exists()) {
-					if (this.force) {
-						// we can remove it
-						deleteResource(destFile, IResource.KEEP_HISTORY);
-						destCU.close(); // ensure the in-memory buffer for the dest CU is closed
+				if (!destCU.isWorkingCopy()) {
+					if (destFile.exists()) {
+						if (this.force) {
+							// we can remove it
+							deleteResource(destFile, IResource.KEEP_HISTORY);
+							destCU.close(); // ensure the in-memory buffer for the dest CU is closed
+						} else {
+							// abort
+							throw new JavaModelException(new JavaModelStatus(
+								IJavaModelStatusConstants.NAME_COLLISION, 
+								Messages.bind(Messages.status_nameCollision, destFile.getFullPath().toString()))); 
+						}
+					}
+					int flags = this.force ? IResource.FORCE : IResource.NONE;
+					if (this.isMove()) {
+						flags |= IResource.KEEP_HISTORY;
+						sourceResource.move(destFile.getFullPath(), flags, getSubProgressMonitor(1));
 					} else {
-						// abort
-						throw new JavaModelException(new JavaModelStatus(
-							IJavaModelStatusConstants.NAME_COLLISION, 
-							Messages.bind(Messages.status_nameCollision, destFile.getFullPath().toString()))); 
+						if (rewrite != null) flags |= IResource.KEEP_HISTORY;
+						sourceResource.copy(destFile.getFullPath(), flags, getSubProgressMonitor(1));
 					}
-				}
-				int flags = this.force ? IResource.FORCE : IResource.NONE;
-				if (this.isMove()) {
-					flags |= IResource.KEEP_HISTORY;
-					sourceResource.move(destFile.getFullPath(), flags, getSubProgressMonitor(1));
+					this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); 
 				} else {
-					if (rewrite != null) flags |= IResource.KEEP_HISTORY;
-					sourceResource.copy(destFile.getFullPath(), flags, getSubProgressMonitor(1));
+					destCU.getBuffer().setContents(source.getBuffer().getContents());
 				}
-				this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE); 
 			} catch (JavaModelException e) {
 				throw e;
 			} catch (CoreException e) {