protected void createPathButtons(Composite pathButtonComp) {
createButton(pathButtonComp, new RemoveAction(fClasspathViewer));
createButton(pathButtonComp, new AddFolderAction(fClasspathViewer));
createButton(pathButtonComp, new AddClassFolderAction(fClasspathViewer));
createButton(pathButtonComp, new AddExternalFileAction(fClasspathViewer,DIALOG_SETTINGS_PREFIX));
createButton(pathButtonComp, new AddExternalFolderAction(fClasspathViewer, DIALOG_SETTINGS_PREFIX));
RuntimeClasspathAction restoreSelectionAction = new RestoreDefaultSelectionAction(
fClasspathViewer, this, this.getNonCheckedAttributeName());
createButton(pathButtonComp, restoreSelectionAction);