Subversion Repositories eFlore/Applications.cel

package org.tela_botanica.client.util;

import java.util.Iterator;

import org.tela_botanica.client.interfaces.Rafraichissable;

import org.tela_botanica.client.modeles.objets.ListeReferentielPerso;

import org.tela_botanica.client.modeles.objets.ListeReferentielPerso.TypesReferentiels;

import org.tela_botanica.client.observation.ObservationMediateur;

import com.gwtext.client.core.EventCallback;

import com.gwtext.client.core.EventObject;

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.form.ComboBox;

import com.gwtext.client.widgets.form.event.ComboBoxListenerAdapter;

public abstract class AutoCompletionRefComboBox 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 ObservationMediateur oMediateur = null;

	private TypesReferentiels typeRef = null;

	private boolean selectionValeur = false;

	private boolean estModifie = false;

	final String resultTplRefPerso = "<div class=\"search-item-ref\">{element_referentiel}</div>";

	public AutoCompletionRefComboBox(String label, String nom, ObservationMediateur oMediateur, TypesReferentiels typeRef) {

		// Accesskey pour debugging

		super(label,nom);

		this.oMediateur = oMediateur;

		this.typeRef = typeRef;

		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_DOWN:

  	    	      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_ENTER:

  	    	    	if (selectionValeur) {

  	    	    		estModifie= true;

  	    	    		selectionValeur=false;

  	    	    		onModificationValeur();

   	    	    	}

   	    	    	else {

  	    	    		onValidationSaisie();

  	    	    	}

  	    	    break;

  	    	      default:

  	    	    	estModifie = true;

  	    	      	onModificationValeur();

  	    	      	obtenirReferentiel();

				}

			}

	    },listenerConfigAutocompletion);

		// Listener completion

		addListener(new ComboBoxListenerAdapter() {

             @Override

			public void onSelect(ComboBox comboBox, Record record, int index) {

            	 setValue(record.getAsString("element_referentiel"));

            	 selectionValeur=true;

                 collapse();

             }

         });

	}

	@Override

	public void rafraichir(Object nouvelleDonnees,

			boolean repandreRaffraichissement) {

		ListeReferentielPerso referentielPerso = (ListeReferentielPerso)nouvelleDonnees;

		int i = 0;

		Object[][] refData = new Object[referentielPerso.size()][1];

		for (Iterator it = referentielPerso.keySet().iterator(); it.hasNext();)

		{

			String ref= referentielPerso.get(it.next());

			refData[i][0]= ref;

			i++;

		}

		FieldDef defStation = new StringFieldDef("element_referentiel");

		FieldDef[] defTab = {defStation};

		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 obtenirReferentiel() {

		String valeurChamp = getValue();

		if(valeurChamp == null) {

			valeurChamp = "";

		}

		oMediateur.obtenirListeReferentielPerso(this, typeRef, valeurChamp);

	}

	public abstract void onValidationSaisie();

	public abstract void onModificationValeur();

}