| New file |
|---|
| 0,0 → 1,134 |
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| package org.tela_botanica.del.client.composants.formulaires; |
| |
| import com.google.gwt.event.dom.client.KeyPressEvent; |
| import com.google.gwt.event.dom.client.KeyPressHandler; |
| import com.google.gwt.http.client.Request; |
| import com.google.gwt.http.client.RequestBuilder; |
| import com.google.gwt.http.client.RequestCallback; |
| import com.google.gwt.http.client.RequestException; |
| import com.google.gwt.http.client.Response; |
| import com.google.gwt.http.client.URL; |
| import com.google.gwt.json.client.JSONArray; |
| import com.google.gwt.json.client.JSONParser; |
| import com.google.gwt.json.client.JSONValue; |
| import com.google.gwt.user.client.Timer; |
| import com.google.gwt.user.client.ui.HasWidgets; |
| import com.google.gwt.user.client.ui.SuggestOracle; |
| |
| public class AutoCompletionComboBoxPresenteur { |
| |
| private AutoCompletionComboBoxVue autoCompletionComboBoxVue = new AutoCompletionComboBoxVue(); |
| |
| SuggestOracle.Request requeteOracle; |
| SuggestOracle.Callback callBackOracle; |
| |
| Timer suggestionTimer = null; |
| int tempsAvantRequete = 500; |
| |
| public AutoCompletionComboBoxPresenteur() { |
| |
| } |
| |
| public void go(HasWidgets composite) { |
| composite.add(autoCompletionComboBoxVue); |
| gererEvenements(); |
| } |
| |
| public void gererEvenements() { |
| autoCompletionComboBoxVue.getSuggestBox().addKeyPressHandler(new KeyPressHandler() { |
| public void onKeyPress(KeyPressEvent event) { |
| |
| if(event.getUnicodeCharCode() != 0) { |
| |
| if(suggestionTimer == null) { |
| suggestionTimer = new Timer() { |
| public void run() { |
| requeteSuggestions(autoCompletionComboBoxVue.getSuggestBox().getValue()); |
| } |
| }; |
| suggestionTimer.schedule(tempsAvantRequete); |
| } else { |
| suggestionTimer.schedule(tempsAvantRequete); |
| } |
| } |
| } |
| |
| }); |
| |
| requeteOracle = new SuggestOracle.Request(); |
| callBackOracle = new SuggestOracle.Callback() { |
| |
| public void onSuggestionsReady( |
| com.google.gwt.user.client.ui.SuggestOracle.Request request, |
| com.google.gwt.user.client.ui.SuggestOracle.Response response) { |
| autoCompletionComboBoxVue.getSuggestBox().showSuggestionList(); |
| } |
| }; |
| } |
| |
| public void setTempsAvantRequete(int temps) { |
| tempsAvantRequete = temps; |
| } |
| |
| public int getTempsAvantRequete(int temps) { |
| return tempsAvantRequete; |
| } |
| |
| public String getValeur() { |
| return autoCompletionComboBoxVue.getSuggestBox().getValue(); |
| } |
| |
| private void requeteSuggestions(final String requete) { |
| |
| String requeteAjax = requete; |
| String[] parties = requete.split(" ", 2); |
| |
| if(parties.length == 2) { |
| if(parties[1].trim().isEmpty()) { |
| parties[1] = "*"; |
| } |
| |
| requeteAjax = parties[0]+"/"+parties[1]; |
| } |
| |
| String altUrl = "http://www.tela-botanica.org/eflore/cel2/jrest/NameSearch/"; |
| String urlProxy = "proxy.php?url="+URL.encode(altUrl+requeteAjax); |
| |
| RequestBuilder rb = new RequestBuilder(RequestBuilder.GET, urlProxy) ; |
| |
| try { |
| |
| rb.sendRequest(null, new RequestCallback() { |
| |
| public void onError(final Request request, final Throwable exception) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| public void onResponseReceived(final Request request, |
| final Response response) { |
| |
| final JSONValue responseValue = JSONParser.parseStrict(response.getText()); |
| JSONArray noms; |
| |
| if ((noms=responseValue.isArray()) != null) { |
| |
| final int taillemax = noms.size(); |
| String[] valeurs = new String[taillemax]; |
| for (int i = 0; i < taillemax; i++) { |
| valeurs[i] = (noms.get(i).isArray().get(0).isString().stringValue()); |
| } |
| |
| autoCompletionComboBoxVue.remplirListe(valeurs); |
| requeteOracle.setQuery(requete); |
| autoCompletionComboBoxVue.afficherSuggestions(requeteOracle, callBackOracle); |
| } |
| } |
| }) ; |
| |
| } catch (RequestException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| } |