Subversion Repositories eFlore/Applications.cel

package org.tela_botanica.client.util;

import java.util.ArrayList;
import java.util.Iterator;

import org.tela_botanica.client.interfaces.Rafraichissable;
import org.tela_botanica.client.modeles.dao.ListeReferentielChampsEtendusDAO;

import com.google.gwt.user.client.Timer;
import com.gwtext.client.core.EventCallback;
import com.gwtext.client.core.EventObject;
import com.gwtext.client.core.Ext;
import com.gwtext.client.core.ListenerConfig;
import com.gwtext.client.data.ArrayReader;
import com.gwtext.client.data.FieldDef;
import com.gwtext.client.data.MemoryProxy;
import com.gwtext.client.data.Record;
import com.gwtext.client.data.RecordDef;
import com.gwtext.client.data.Store;
import com.gwtext.client.data.StringFieldDef;
import com.gwtext.client.widgets.Component;
import com.gwtext.client.widgets.event.ComponentListenerAdapter;
import com.gwtext.client.widgets.form.ComboBox;
import com.gwtext.client.widgets.form.event.ComboBoxListenerAdapter;

public class ChampSaisieEtendu extends ComboBox implements Rafraichissable {
                // TODO: faire un enum
                private final int KEY_ALT = 18;
                private final int KEY_BACKSPACE = 8;
                private final int KEY_CTRL = 17;
                private final int KEY_DELETE = 46;
                private final int KEY_DOWN = 40;
                private final int KEY_END = 35;
                private final int KEY_ENTER = 13;
                private final int KEY_ESCAPE = 27;
                private final int KEY_HOME = 36;
                private final int KEY_LEFT = 37;
                private final int KEY_PAGEDOWN = 34;
                private final int KEY_PAGEUP = 33;
                private final int KEY_RIGHT = 39;
                private final int KEY_SHIFT = 16;
                private final int KEY_TAB = 9;
                private final int KEY_UP = 38;
                
                private boolean selectionValeur = false;
                private boolean estModifie = false;
                
                private String cle = null;
                private String label = null;
                                
                private Timer timer = null;
                
                final String resultTplRefPerso = "<div class=\"search-item-ref\">{valeur}</div>";  
                
                public ChampSaisieEtendu(String label, String cle) {
                        
                        // Accesskey pour debugging
                        super(label,cle);  

                        this.cle =cle;
                        this.label = label;
                        
                        setTpl(resultTplRefPerso);
                        setMode(ComboBox.REMOTE);
                        setItemSelector("div.search-item-ref");
                        setTypeAhead(true);  
                        setLoadingText("Recherche...");  
                        setHideTrigger(true);
                        
                    ListenerConfig listenerConfigAutocompletion=new ListenerConfig();
                    listenerConfigAutocompletion.setDelay(200);
                    listenerConfigAutocompletion.setStopPropagation(false);
                    listenerConfigAutocompletion.setStopEvent(false);
                        
                        addKeyPressListener(new EventCallback() {

                                @Override
                                public void execute(EventObject e) {

                                        switch(e.getKey()) {
                              
                                          case KEY_ALT:
                              case KEY_CTRL:
                              case KEY_END:
                              case KEY_ESCAPE:
                              case KEY_HOME:
                              case KEY_LEFT:
                              case KEY_PAGEDOWN:
                              case KEY_PAGEUP:
                              case KEY_RIGHT:
                              case KEY_SHIFT:
                              case KEY_TAB:
                              case KEY_UP:
                                
                                break;
                                
                              case KEY_DOWN:
                                  if(getValueAsString().isEmpty() && !isExpanded()) {
                                          obtenirListeValeurs("*");
                                  }
                              break;
                                                                       
                              default:
                                if(timer != null) {
                                        timer.cancel();
                                }
                                timer = new Timer() {
                                                        
                                                        @Override
                                                        public void run() {
                                                obtenirListeValeurs();
                                                        }
                                                };
                                                timer.schedule(300);
                                        }
                                }
                    },listenerConfigAutocompletion);
                        
                        
                        // Listener completion 
                        addListener(new ComboBoxListenerAdapter() {  
                     @Override
                                public void onSelect(ComboBox comboBox, Record record, int index) {  
                         setValue(record.getAsString("valeur"));
                         selectionValeur=true;
                         collapse();
                     }  
                 });
                        
                        this.addListener(new ComponentListenerAdapter() {
                                @Override
                                public void onRender(Component component) {
                                        setLargeurChamp();
                                }
                        });
                        
                }

                @Override
                public void rafraichir(Object nouvelleDonnees, boolean repandreRaffraichissement) {
                        
                        @SuppressWarnings("unchecked")
                        ArrayList<String> valeurs = (ArrayList<String>)nouvelleDonnees;
                        
                        int i = 0;
                        Object[][] refData = new Object[valeurs.size()][1];
                        
                        for (Iterator<String> it = valeurs.iterator(); it.hasNext();) 
                        {
                                refData[i][0]= it.next();
                                i++;
                        }
                        
                        FieldDef defValeur = new StringFieldDef("valeur");
                        FieldDef[] defTab = {defValeur};
                        
                        RecordDef rd = new RecordDef(defTab);
                        
                        final MemoryProxy dataProxy = new MemoryProxy(refData);
                        final ArrayReader reader = new ArrayReader(rd);         
                                                        
                        Store store=new Store(dataProxy,reader);
                        
                        setStore(store);
                        store.load();
                }
                
                private void obtenirListeValeurs() {
                        String valeurChamp = getValue();
                        obtenirListeValeurs(valeurChamp);
                }
                
                private void obtenirListeValeurs(String valeurChamp) {
                        if(valeurChamp == null) {
                                valeurChamp = "";
                        } else {
                                valeurChamp += "*";
                        }
                        ListeReferentielChampsEtendusDAO lrceDao = new ListeReferentielChampsEtendusDAO(null);
                        lrceDao.obtenirListeValeursChampEtendu(this, cle, valeurChamp);
                }
                
                public void setLargeurChamp() {
                        // Correction un peu moche pour améliorer l'affichage du champ
                        String idElementEnfant = Ext.get(("x-form-el-"+cle)).getFirstChild().getId();
                        Ext.get(idElementEnfant).setWidth("90%", false);
                        Ext.get(cle).setWidth("100%", false);
                }
}