Subversion Repositories eFlore/Applications.del

package org.tela_botanica.del.client.vues.rechercheobservations;

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

import org.tela_botanica.del.client.modeles.Observation;
import org.tela_botanica.del.client.utils.KeyboardKeyListener;
import org.tela_botanica.del.client.utils.MockDatasource;
import org.tela_botanica.del.client.vues.rechercheobservations.pagination.NumeroPagePresenteur;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.ui.HasWidgets;
import com.google.gwt.user.client.ui.Panel;
import com.google.gwt.user.client.ui.VerticalPanel;

public class ObservationRecherchePresenteur {

        private final MockDatasource observationService = MockDatasource
                        .getInstance();

        private final ObservationRechercheVue view = new ObservationRechercheVue();

        private static ObservationRecherchePresenteur instance;

        private List<Observation> observations;

        public ObservationRecherchePresenteur() {
                instance = this;
        }

        public void go(HasWidgets composite) {
                composite.add(view);
                handleEvents();
        }

        @SuppressWarnings("deprecation")
        public void handleEvents() {
                view.getSearchHtml().addClickHandler(new ClickHandler() {

                        @Override
                        public void onClick(ClickEvent event) {
                                loadObservations();
                        }
                });

                view.getTextBox().addKeyboardListener(new KeyboardKeyListener() {

                        @Override
                        public void onEnterKeyUp() {
                                loadObservations();
                        }
                });

        }

        private void loadObservations() {

                view.getPaginationPanel().clear();
                view.setNumImage(0);
                view.getImageTable().clear();
                view.getLoadPanel().add(view.getContactingServerHTML());

                // String taxaName = URL.encode(view.getTextBox().getText());

                observations = observationService.getObservations();

                view.getImagePanels().clear();

                List<Panel> imagePanels = new ArrayList<Panel>();
                for (int i = 0; i < observations.size(); i++) {
                        Panel imagePanel = new VerticalPanel();
                        imagePanels.add(imagePanel);
                        view.addImagePanel(imagePanel);
                }

                view.showImagePanels(0, view.getNbImagesPerPage());
                Iterator<Panel> panelIterator = imagePanels.iterator();
                for (Observation observation : observations) {
                        Panel imagePanel = panelIterator.next();
                        new ObservationPresenteur(observation).go(imagePanel);
                }

                createPaginationWidget(observations.size());

                view.getLoadPanel().clear();

        }

        private void createPaginationWidget(int nbImages) {

                int nbPages = nbImages / view.getNbImagesPerPage();
                if (nbImages % view.getNbImagesPerPage() == 0) {
                        nbPages--;
                }
                for (int i = 0; i <= nbPages; i++) {
                        new NumeroPagePresenteur(i + 1).go(view.getPaginationPanel());
                }
        }

        public void showImagePanels(int first, int last) {
                view.showImagePanels(first, last);
        }

        public static ObservationRecherchePresenteur getInstance() {
                return instance;
        }

        public ObservationRechercheVue getView() {
                return view;
        }

        public List<Observation> getObservations() {
                return observations;
        }

}