throw new IllegalArgumentException(
"EditorPart does not provide an ITextViewer!");
}
StyledText textWidget = viewer.getTextWidget();
textWidget.addControlListener(controlListener);
textWidget.addMouseListener(mouseListener);
textWidget.addKeyListener(keyListener);
viewer.addTextListener(textListener);
viewer.getSelectionProvider().addSelectionChangedListener(
selectionChangedListener);