/**
* Validates the destination file if it is read-only and additionally the source file if both are
* read-only. Returns true if both files could be made writeable.
*
* @param source source file
* @param destination destination file
* @param shell ui context for the validation
* @return boolean <code>true</code> both files could be made writeable. <code>false</code> either
* one or both files were not made writeable
*/
boolean validateEdit(IFile source, IFile destination, Shell shell) {
if (destination.isReadOnly()) {
IWorkspace workspace = ModelerCore.getWorkspace();
IStatus status;
if (source.isReadOnly())
status = workspace.validateEdit(new IFile[] {source, destination}, shell);
else status = workspace.validateEdit(new IFile[] {destination}, shell);
return status.isOK();
}
return true;
}
