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);

		}

}