Subversion Repositories eFlore/Applications.cel

package org.tela_botanica.client.util;

import java.util.Date;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import org.tela_botanica.client.interfaces.Rafraichissable;

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

import com.google.gwt.user.client.Timer;

import com.google.gwt.user.client.Window;

import com.google.gwt.user.client.ui.HorizontalPanel;

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.Button;

import com.gwtext.client.widgets.event.ButtonListenerAdapter;

import com.gwtext.client.widgets.form.ComboBox;

import com.gwtext.client.widgets.form.FormPanel;

import com.gwtext.client.widgets.form.TextField;

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

@SuppressWarnings("unchecked")

public abstract class FormulaireSaisieChampEtendu extends FormPanel implements Rafraichissable {

	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;

	final ComboBox nChamp;

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

	final Button ajouterChampsEtendu;

	final Button annulerAjouterChampEtendu;

	String idChamp = null;

	private Timer timer = null;

	private Map<String, String> cacheClesValeur;

	public FormulaireSaisieChampEtendu() {

		super();

		setPaddings(3);

		setBodyBorder(false);

		HorizontalPanel hp = new HorizontalPanel();

		hp.setBorderWidth(0);

		nChamp = new ComboBox("Nom du champ", "nom_champ_etendu");

		add(nChamp);

		ajouterChampsEtendu = new Button("Ajouter");

		annulerAjouterChampEtendu = new Button("Annuler");

		hp.add(ajouterChampsEtendu);

		hp.add(annulerAjouterChampEtendu);

		add(hp);

		nChamp.setTpl(resultTplRefPerso);

		nChamp.setMode(ComboBox.REMOTE);

		nChamp.setItemSelector("div.search-item-ref");

		nChamp.setTypeAhead(true);

		nChamp.setLoadingText("Recherche...");

		nChamp.setHideTrigger(true);

		nChamp.setWidth("250px");

		nChamp.setValue("");

		nChamp.focus();

		ajouterListeners();

	}

	private void ajouterListeners() {

		ListenerConfig listenerConfigAutocompletion=new ListenerConfig();

	    listenerConfigAutocompletion.setDelay(200);

	    listenerConfigAutocompletion.setStopPropagation(false);

	    listenerConfigAutocompletion.setStopEvent(true);

	    nChamp.addKeyPressListener(new EventCallback() {

			@Override

			public void execute(EventObject e) {

				switch(e.getKey()) {

					case KEY_ALT:

		    	      case KEY_CTRL:

		    	      case KEY_ENTER:

		    	      case KEY_END:

		    	      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(nChamp.getValueAsString().isEmpty() && !nChamp.isExpanded()) {

  	    	    		obtenirReferentiel("*");

  	    	    	  }

  	    	    	break;

		    	    case KEY_ESCAPE:

		    	    	surAnnulation();

		    	    break;

		    	    default:

		    	    	if(timer != null) {

		    	    		timer.cancel();

		    	    	}

		    	    	timer = new Timer() {

							@Override

							public void run() {

			  	    	      	obtenirReferentiel();

							}

						};

						timer.schedule(300);

				}

			}

	    },listenerConfigAutocompletion);

		// Listener completion

	    nChamp.addListener(new ComboBoxListenerAdapter() {

	         @Override

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

	        	 nChamp.setValue(record.getAsString("label"));

	        	 idChamp = record.getAsString("cle");

	        	 nChamp.collapse();

	         }

	     });

	    ajouterChampsEtendu.addListener(new ButtonListenerAdapter() {

			@Override

			public void onClick(Button button, EventObject e) {

				validerChampEtendu();

			}

		});

	    annulerAjouterChampEtendu.addListener(new ButtonListenerAdapter() {

			@Override

			public void onClick(Button button, EventObject e) {

				surAnnulation();

			}

		});

	}

	private void validerChampEtendu() {

		String valeurChamp = nChamp.getValueAsString();

		if(valeurChamp != null && !valeurChamp.isEmpty()) {

			String idNouveauChamp = "";

			if(!estUnChampSelectionne(valeurChamp)) {

				Date date = new Date();

				// affectation d'un id temporaire qui sera remplacé par l'id auto généré à partir

				// du label

				idNouveauChamp = "tempid_"+date.getTime();

			} else {

				idNouveauChamp = idChamp;

			}

			ChampSaisieEtendu retour = new ChampSaisieEtendu(valeurChamp, idNouveauChamp);

			retour.setId(idNouveauChamp);

			surValidation(retour);

		} else {

			Window.alert("Le nom du champ étendu ne peut pas être vide");

		}

	}

	private boolean estUnChampSelectionne(String valeur) {

		return cacheClesValeur.containsValue(valeur);

	}

	private void obtenirReferentiel() {

		obtenirReferentiel(nChamp.getValueAsString());

	}

	private void obtenirReferentiel(String valeur) {

		ListeReferentielChampsEtendusDAO lrce = new ListeReferentielChampsEtendusDAO(null);

		lrce.obtenirListeNomsChampsEtendus(this, valeur+"*");

	}

	public abstract void surValidation(ChampSaisieEtendu champ);

	public abstract void surAnnulation();

	public void rafraichir(Object nouvelleDonnees, boolean repandreRaffraichissement) {

		int i = 0;

		HashMap<String, String> clesLabels = (HashMap<String, String>)nouvelleDonnees;

		cacheClesValeur = clesLabels;

		Object[][] refData = new Object[clesLabels.keySet().size()][2];

		for (Iterator<String> it = clesLabels.keySet().iterator(); it.hasNext();)

		{

			String cle = it.next();

			String label= clesLabels.get(cle);

			refData[i][0]= cle;

			refData[i][1]= label;

			i++;

		}

		FieldDef defCle = new StringFieldDef("cle");

		FieldDef defLabel = new StringFieldDef("label");

		FieldDef[] defTab = {defCle, defLabel};

		RecordDef rd = new RecordDef(defTab);

		final MemoryProxy dataProxy = new MemoryProxy(refData);

		final ArrayReader reader = new ArrayReader(rd);

		Store store=new Store(dataProxy,reader);

		nChamp.setStore(store);

		store.load();

	}

}