Bug 45517 Add a 'Field comment' code template
20031024 The user should be able to specify a 'field comment' template. See 'CodeTemplateContextType.TYPE_COMMENT' as an example You have to - define a new variable type - specify the variables avaiable in this template - create an API in Codetemplates so it can be used Users are: - AddJavadocCommentAction - JavadocTagsSubProcessor.getMissingJavadocCommentProposals
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/TemplatePreferencePage.java
Font font= JFaceResources.getFont(PreferenceConstants.EDITOR_TEXT_FONT);
		viewer.getTextWidget().setFont(font);
		new JavaSourcePreviewerUpdater(viewer, tools);
		
		Control control= viewer.getControl();
		data= new GridData(GridData.FILL_BOTH);
        data.horizontalSpan= 2;
		data.heightHint= convertHeightInCharsToPixels(5);
		control.setLayoutData(data);
		
		return viewer;
	}
	
	private static GridData getButtonGridData(Button button) {
		GridData data= new GridData(GridData.FILL_HORIZONTAL);
		data.widthHint= SWTUtil.getButtonWidthHint(button);
		data.heightHint= SWTUtil.getButtonHeightHint(button);
	
		return data;
	}
	
	private void selectionChanged1() {		
		IStructuredSelection selection= (IStructuredSelection) fTableViewer.getSelection();
		if (selection.size() == 1) {
			Template template= (Template) selection.getFirstElement();
			fPatternViewer.getDocument().set(template.getPattern());
		} else {		
			fPatternViewer.getDocument().set(""); 
		}