Bug 31229 code templates pref page: opening a dialog on typing is unexpected [code manipulation]
20030206 when i start typing (or even press an arrow key) in the template preview a dialog pops up it's unexpected and unusual
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CodeTemplateBlock.java
fPixelConverter=  new PixelConverter(parent);
		fSWTWidget= parent;
		
		Composite composite=  new Composite(parent, SWT.NONE);
		GridLayout layout= new GridLayout();
		
		
		layout.numColumns= 2;
		composite.setLayout(layout);
		
		fCreateJavaDocComments.doFillIntoGrid(composite, 2);
		
		fCodeTemplateTree.doFillIntoGrid(composite, 3);
		LayoutUtil.setHorizontalSpan(fCodeTemplateTree.getLabelControl(null), 2);
		LayoutUtil.setHorizontalGrabbing(fCodeTemplateTree.getTreeControl(null));
		
		fPatternViewer= createViewer(composite, 2);
		
		return composite;
	
	}
	
	private Shell getShell() {
		if (fSWTWidget != null) {
			return fSWTWidget.getShell();
		}
		return JavaPlugin.getActiveWorkbenchShell();			
	}	
	
	private SourceViewer createViewer(Composite parent, int nColumns) {