Subversion Repositories eFlore/Archives.cel-v2

package org.tela_botanica.client.vues;

import java.util.Iterator;

import org.tela_botanica.client.image.ImageMediateur;

import org.tela_botanica.client.interfaces.Rafraichissable;

import org.tela_botanica.client.modeles.ImageCarnet;

import org.tela_botanica.client.modeles.ListeImage;

import com.google.gwt.core.client.JavaScriptObject;

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

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

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

import com.gwtext.client.core.EventObject;

import com.gwtext.client.core.XTemplate;

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.util.Format;

import com.gwtext.client.widgets.BoxComponent;

import com.gwtext.client.widgets.Component;

import com.gwtext.client.widgets.Container;

import com.gwtext.client.widgets.DataView;

import com.gwtext.client.widgets.Observable;

import com.gwtext.client.widgets.Panel;

import com.gwtext.client.widgets.DataView.Data;

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

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

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

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

/**

 * Galerie d'images miniatures

 * @author aurelien

 *

 */

public class GalerieImageVue extends Panel implements Rafraichissable, Observable {

	// instance du médiateur

	private ImageMediateur iMediateur = null;

	private DataView dView = null ;

	private Store st = null ;

	public GalerieImageVue(ImageMediateur im)

	{

		super("Galerie");

		iMediateur = im ;

		this.addListener(new ContainerListenerAdapter() {

			public void onHide(Component component) {

				// TODO Auto-generated method stub

			}

			public void onRender(Component component) {

				// TODO Auto-generated method stub

			}

			public void onShow(Component component) {

				if(dView == null)

				{

					initialiser();

				}

			}

		});

	}

	public void ajouterListenersDataView()

	{

		// ajout de listeners pour la gestion de la selection

		// dans la galerie

		dView.addListener(new DataViewListenerAdapter() {

			public void onClick(DataView source, int index, Element node,

					EventObject e) {

				getIMediateur().clicGalerieImage(index, node, e);

			}

			public void onContainerClick(DataView source, EventObject e) {

				//TODO: appeler le mediateur

			}

			public void onContextMenu(DataView source, int index, Element node,

					EventObject e) {

				e.stopEvent() ;

				getIMediateur().montrerContextMenu(e) ;

			}

			public void onDblClick(DataView source, int index, Element node,

					EventObject e) {

				//TODO: appeler le mediateur

				getIMediateur().clicGalerieImage(index, node, e);

			}

			public void onSelectionChange(DataView view, Element[] selections) {

				//TODO: appeler le mediateur

			}

		});

	}

	// instantiation paresseuse

	public void initialiser()

	{

		// Preparation de la dataview et du template

		// le template va créer une div contenant une image

		// pour chacune des photos

		final XTemplate template = new XTemplate(

				new String[]{

						"<tpl for='.'>",

						"<div class='thumb-wrap' id='{num_image}'>",

						"<div class='thumb'><img src='{url_image_S}' title='{num_image}'></div>",

						"<span>{nom}</span></div>", "</tpl>",

						"<div class='x-clear'></div>"});

		template.compile();

		// la dataview affichera les images en accord avec le template

		// cree precedemment

		dView = new DataView("div.thumb-wrap") {

			public void prepareData(Data data) {

				data.setProperty("shortName", Format.ellipsis(data

						.getProperty("num_image"), 15));

			}

		};

		dView.setTpl(template);

		// parametre d'affichage de la dataview

		this.setAutoScroll(true);

		dView.setAutoHeight(true);

		dView.setMultiSelect(true);

		dView.setOverCls("x-view-over");

		dView.setEmptyText("Aucune image à afficher");

		// creation du store

		FieldDef defNumImage = new StringFieldDef("num_image");

		FieldDef defUrlImage = new StringFieldDef("url_image");

		FieldDef defUrlImageM = new StringFieldDef("url_image_M");

		FieldDef defUrlImageS = new StringFieldDef("url_image_S");

		FieldDef[] defTab = {defNumImage,defUrlImage,defUrlImageM,defUrlImageS};

		RecordDef rd = new RecordDef(defTab) ;

		st = new Store(rd) ;

		dView.setStore(st);

		// ajouts de la gestion des evenements pour la dataview

		ajouterListenersDataView();

		this.add(dView);

		getIMediateur().obtenirPhotoGalerie(this);

	}

	public void rafraichir(Object nouvelleDonnees, boolean repandreRafraichissement) {

		if(nouvelleDonnees instanceof ListeImage)

		{

			ListeImage data = (ListeImage) nouvelleDonnees ;

			Object[][] photoData = new Object[data.size()][4];

			int i = 0 ;

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

			{

				ImageCarnet im = (ImageCarnet) data.get(it.next());

				photoData[i][0] = im.getOrdre() ;

				photoData[i][1] = im.getUrl() ;

				photoData[i][2] = im.getSUrl() ;

				photoData[i][3] = im.getMUrl() ;

				i++ ;

			}

			final MemoryProxy dataProxy = new MemoryProxy(photoData);

			final ArrayReader reader = new ArrayReader(new RecordDef(

					new FieldDef[]{new StringFieldDef("num_image"),

							new StringFieldDef("url_image"),

							new StringFieldDef("url_image_S"),

							new StringFieldDef("url_image_M")}));

			final Store photoStore = new Store(dataProxy, reader);

			photoStore.load();

			st = photoStore;

			dView.setStore(st);

			dView.refresh();

			if(repandreRafraichissement)

			{

				getIMediateur().synchroniserZoomListeGalerie(nouvelleDonnees, this) ;

			}

		}

	}

	public ImageMediateur getIMediateur() {

		return iMediateur;

	}

	public DataView getDView() {

		return dView;

	}

	public Store getSt() {

		return st;

	}

	public String[] getIdSelectionnee()

	{

		Record[] selection = getDView().getSelectedRecords() ;

		int taille = selection.length ;

		String id_selection[] = new String[taille] ;

		for (int i = 0; i < selection.length; i++) {

			id_selection[i] = selection[i].getAsString("num_image") ;

		}

		return id_selection ;

	}

}