Notes:
String to use as the main task name
+ * for progress monitoring.
+ */
+protected String getMainTaskName() {
+ return Util.bind("operation.copyElementProgress"); //$NON-NLS-1$
+}
+/**
+ * Returns the nested operation to use for processing this element
+ */
+protected JavaModelOperation getNestedOperation(IJavaElement element) {
+ return null;
+// try {
+// IJavaElement dest = getDestinationParent(element);
+// switch (element.getElementType()) {
+// case IJavaElement.PACKAGE_DECLARATION :
+// return new CreatePackageDeclarationOperation(element.getElementName(), (ICompilationUnit) dest);
+// case IJavaElement.IMPORT_DECLARATION :
+// return new CreateImportOperation(element.getElementName(), (ICompilationUnit) dest);
+// case IJavaElement.TYPE :
+// if (isRenamingMainType(element, dest)) {
+// return new RenameResourceElementsOperation(new IJavaElement[] {dest}, new IJavaElement[] {dest.getParent()}, new String[]{getNewNameFor(element) + ".php"}, fForce); //$NON-NLS-1$
+// } else {
+// return new CreateTypeOperation(dest, getSourceFor(element) + Util.LINE_SEPARATOR, fForce);
+// }
+// case IJavaElement.METHOD :
+// return new CreateMethodOperation((IType) dest, getSourceFor(element) + Util.LINE_SEPARATOR, fForce);
+// case IJavaElement.FIELD :
+// return new CreateFieldOperation((IType) dest, getSourceFor(element) + Util.LINE_SEPARATOR, fForce);
+// case IJavaElement.INITIALIZER :
+// return new CreateInitializerOperation((IType) dest, getSourceFor(element) + Util.LINE_SEPARATOR);
+// default :
+// return null;
+// }
+// } catch (JavaModelException npe) {
+// return null;
+// }
+}
+/**
+ * Returns the cached source for this element or compute it if not already cached.
+ */
+private String getSourceFor(IJavaElement element) throws JavaModelException {
+ String source = (String) fSources.get(element);
+ if (source == null && element instanceof IMember) {
+ IMember member = (IMember)element;
+ ICompilationUnit cu = member.getCompilationUnit();
+ String cuSource = cu.getSource();
+ IDOMCompilationUnit domCU = new DOMFactory().createCompilationUnit(cuSource, cu.getElementName());
+ IDOMNode node = ((JavaElement)element).findNode(domCU);
+ source = new String(node.getCharacters());
+ fSources.put(element, source);
+ }
+ return source;
+}
+/**
+ * Returns true if this element is the main type of its compilation unit.
+ */
+protected boolean isRenamingMainType(IJavaElement element, IJavaElement dest) {
+ if ((isRename() || getNewNameFor(element) != null)
+ && dest.getElementType() == IJavaElement.COMPILATION_UNIT) {
+ String typeName = dest.getElementName();
+ typeName = typeName.substring(0, typeName.length() - 5);
+ return element.getElementName().equals(typeName) && element.getParent().equals(dest);
+ }
+ return false;
+}
+/**
+ * Copy/move the element from the source to destination, renaming
+ * the elements as specified, honoring the collision policy.
+ *
+ * @exception JavaModelException if the operation is unable to
+ * be completed
+ */
+protected void processElement(IJavaElement element) throws JavaModelException {
+ JavaModelOperation op = getNestedOperation(element);
+ boolean createElementInCUOperation =op instanceof CreateElementInCUOperation;
+ if (op == null) {
+ return;
+ }
+ if (createElementInCUOperation) {
+ IJavaElement sibling = (IJavaElement) fInsertBeforeElements.get(element);
+ if (sibling != null) {
+ ((CreateElementInCUOperation) op).setRelativePosition(sibling, CreateElementInCUOperation.INSERT_BEFORE);
+ } else
+ if (isRename()) {
+ IJavaElement anchor = resolveRenameAnchor(element);
+ if (anchor != null) {
+ ((CreateElementInCUOperation) op).setRelativePosition(anchor, CreateElementInCUOperation.INSERT_AFTER); // insert after so that the anchor is found before when deleted below
+ }
+ }
+ String newName = getNewNameFor(element);
+ if (newName != null) {
+ ((CreateElementInCUOperation) op).setAlteredName(newName);
+ }
+ }
+ executeNestedOperation(op, 1);
+
+ JavaElement destination = (JavaElement) getDestinationParent(element);
+ ICompilationUnit unit= destination.getCompilationUnit();
+ if (!unit.isWorkingCopy()) {
+ unit.close();
+ }
+
+ if (createElementInCUOperation && isMove() && !isRenamingMainType(element, destination)) {
+ DeleteElementsOperation deleteOp = new DeleteElementsOperation(new IJavaElement[] { element }, fForce);
+ executeNestedOperation(deleteOp, 1);
+ }
+}
+/**
+ * Returns the anchor used for positioning in the destination for
+ * the element being renamed. For renaming, if no anchor has
+ * explicitly been provided, the element is anchored in the same position.
+ */
+private IJavaElement resolveRenameAnchor(IJavaElement element) throws JavaModelException {
+ IParent parent = (IParent) element.getParent();
+ IJavaElement[] children = parent.getChildren();
+ for (int i = 0; i < children.length; i++) {
+ IJavaElement child = children[i];
+ if (child.equals(element)) {
+ return child;
+ }
+ }
+ return null;
+}
+/**
+ * Possible failures:
+ * element or its specified destination is
+ * is null or does not exist. If a null element is
+ * supplied, no element is provided in the status, otherwise, the non-existant element
+ * is supplied in the status.
+ * element is not contained within a compilation unit.
+ * This operation only operates on elements contained within compilation units.
+ * element is read only.
+ * element
+ * is of an incompatible type. The destination for a package declaration or import declaration must
+ * be a compilation unit; the destination for a type must be a type or compilation
+ * unit; the destinaion for any type member (other than a type) must be a type. When
+ * this error occurs, the element provided in the operation status is the element.
+ * element does not have valid syntax.
+ * In this case the element and name are provided in the status.
+
+ *