org.glassmaker.eclipse/org.glassmaker.ui.editor/src/main/java/org/glassmaker/ui/editor/CardEditor.java
public void doSaveAs() {
		IEditorPart editor = getEditor(0);
		editor.doSaveAs();
		setPageText(0, editor.getTitle());
		setInput(editor.getEditorInput());
	}
public void doSaveAs() {
		IEditorPart editor = getEditor(0);
		editor.doSaveAs();
		setPageText(0, editor.getTitle());
		setInput(editor.getEditorInput());
	}
Saves the multi-page editor's document as another file. Also updates the
text for page 0's tab, and updates this multi-page editor's input to
correspond to the nested editor's.