if (getPreferenceStore().getBoolean(
PreferenceConstants.EDITOR_FOLDING_ENABLED)) {
ProjectionViewer viewer = (ProjectionViewer) getSourceViewer();
if (!viewer.isProjectionMode()) {
if (viewer.canDoOperation(ProjectionViewer.TOGGLE)) {
viewer.doOperation(ProjectionViewer.TOGGLE);
}
}
}
installSematicHighlighting();