Bug 5449 TVT Text Expansion/Truncations in new java class dialog
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/dialogfields/ListDialogField.java
doButtonSelected(e);
				}
			};
			
			Composite contents= new Composite(parent, SWT.NULL);
			MGridLayout layout= new MGridLayout();
			layout.marginWidth= 0;
			layout.marginHeight= 0;
			contents.setLayout(layout);
			
			if (fButtonLabels != null) {
				fButtonControls= new Button[fButtonLabels.length];
				for (int i= 0; i < fButtonLabels.length; i++) {
					String currLabel= fButtonLabels[i];
					if (currLabel != null) {
						fButtonControls[i]= createButton(contents, currLabel, listener);
						fButtonControls[i].setEnabled(isEnabled() && fButtonsEnabled[i]);
					} else {
						fButtonControls[i]= null;
						createSeparator(contents);
					}
				}
			}
						
			fLastSeparator= createSeparator(contents);	
	
			updateButtonState();
			fButtonsControl= contents;
		}