A simple GenericSuggestBox for use with DTO's or POJO's.??
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| /** | |
| * The TextBoxWithLabel can be found here: http://thinkbelievedo.com/gwt-textbox-and-passwordtextbox-with-label-in | |
| */ | |
| public static class SuggestBoxWithLabel extends SuggestBox { | |
| public SuggestBoxWithLabel(SuggestOracle oracle, TextBoxWithLabel tb) { | |
| super(oracle, tb); | |
| } | |
| } | |
| /** | |
| * Generic Multi Word Suggestions for use with DTO's and POJOs Based on example | |
| * by James Heggs - jheggs@axonbirch.com Example - | |
| * http://eggsylife.co.uk/2008/08/25/gwt-suggestbox-backed-by-dto-model/ | |
| * | |
| * @author Ram Vijapurapu - ram at thinkbelievedo dot com | |
| * | |
| * @param <T> | |
| */ | |
| public static class GenericMultiWordSuggestion<T> extends MultiWordSuggestion { | |
| T dto = null; | |
| public GenericMultiWordSuggestion(T dto) { | |
| super(dto.toString(), dto.toString()); | |
| this.dto = dto; | |
| } | |
| public T getDTO() { | |
| return dto; | |
| } | |
| } | |
| /** | |
| * Generic Suggest Oracle for use with DTO's and POJOs Based on example by James | |
| * Heggs - jheggs@axonbirch.com - | |
| * http://eggsylife.co.uk/2008/08/25/gwt-suggestbox-backed-by-dto-model/ | |
| * | |
| * @author Ram Vijapurapu - ram at thinkbelievedo dot com | |
| * | |
| * @param <T> | |
| */ | |
| public static class GenericSuggestOracle<T> extends SuggestOracle { | |
| private List<GenericMultiWordSuggestion<T>> suggestions = null; | |
| @Override | |
| public void requestSuggestions(Request request, Callback callback) { | |
| Response resp = new Response(matchingQuery(request.getQuery(), | |
| request.getLimit())); | |
| callback.onSuggestionsReady(request, resp); | |
| } | |
| public Collection<GenericMultiWordSuggestion<T>> matchingQuery( | |
| String query, int limit) { | |
| List<GenericMultiWordSuggestion<T>> matchingResults = new ArrayList<GenericMultiWordSuggestion<T>>( | |
| limit); | |
| if (query.length() > 1) { | |
| String prefix = query.toLowerCase(); | |
| int i = 0; | |
| int s = suggestions.size(); | |
| while (i < s | |
| && suggestions.get(i).getDisplayString().toLowerCase() | |
| .indexOf(prefix) == -1) { | |
| i++; | |
| } | |
| int count = 0; | |
| while (i < s | |
| && suggestions.get(i).getDisplayString().toLowerCase() | |
| .indexOf(prefix) != -1 && count < limit) { | |
| matchingResults.add(suggestions.get(i)); | |
| i++; | |
| count++; | |
| } | |
| } | |
| return matchingResults; | |
| } | |
| /** | |
| * @param o | |
| * @return | |
| * @see java.util.List#add(java.lang.Object) | |
| */ | |
| public boolean add(GenericMultiWordSuggestion<T> o) { | |
| if (suggestions == null) { | |
| suggestions = new ArrayList<GenericMultiWordSuggestion<T>>(); | |
| } | |
| return suggestions.add(o); | |
| } | |
| /** | |
| * @param o | |
| * @return | |
| * @see java.util.List#remove(java.lang.Object) | |
| */ | |
| public boolean remove(GenericMultiWordSuggestion<T> o) { | |
| if (suggestions != null) { | |
| return suggestions.remove(o); | |
| } | |
| return false; | |
| } | |
| } |
Now to use it within your GWT App:
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| GenericSuggestOracle<Product> oracle = new GenericSuggestOracle<Product>(); | |
| SuggestBoxWithLabel sbProductSearch = new SuggestBoxWithLabel(oracle, new TextBoxWithLabel("Product Search")); | |
| // To populate - from Async CallBack.. | |
| for (Product product : result) { | |
| oracle.add(new GenericMultiWordSuggestion<Product>(product)); | |
| } |
