Subversion Repositories eFlore/Archives.cel-v2

package org.tela_botanica.client.modeles;

import org.tela_botanica.client.image.ImageMediateur;

import org.tela_botanica.client.image.ImageModele;

import org.tela_botanica.client.interfaces.iMediateur;

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

import com.gwtext.client.core.UrlParam;

import com.gwtext.client.widgets.BoxComponent;

import com.gwtext.client.widgets.Component;

import com.gwtext.client.widgets.Container;

import com.gwtext.client.widgets.Panel;

import com.gwtext.client.widgets.Window;

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

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

import com.gwtextux.client.widgets.upload.UploadDialog;

import com.gwtextux.client.widgets.upload.UploadDialogListener;

import com.gwtextux.client.widgets.upload.UploadDialogListenerAdapter;

/**

 * DAO un peu particulier car il crée une fenetre d'upload différente

 * suivant que le plugin Java est détecté ou non

 *

 *

 */

public class ImageUploaderAsynchroneDAO {

	/**

	 * Modele associé au DAO

	 */

	private static ImageModele iModele ;

	/**

	 * Setteur pour le modele

	 * @param im le modèle à associer au DAO

	 */

	public void setIModele(ImageModele im)

	{

		iModele = im ;

	}

	/**

	 * Crée un panel d'upload simple aux fonctions réduites mais utilisant uniquement javascript

	 * (pour les utilisateurs qui n'ont pas java)

	 */

	private static void appelerUploadSimple()

	{

		 UploadDialog up = new UploadDialog("Upload simple de fichiers") ;

		 up.setUrl("jrest/InventoryImage");

		 UrlParam id = new UrlParam("identifiant",iModele.getIdentifiant()) ;

		 UrlParam[] params = {id} ;

		 up.setBaseParams(params);

		 up.addListener(new UploadDialogListenerAdapter() {

			public void onClose(Panel panel) {

				iModele.requeteTerminee() ;

			}

		 });

		 up.show();

	}

	/**

	 * Crée une fenêtre contenant une applet java pour uploader plusieurs fichiers à la fois avec quelques

	 * fonctions avancées (nécessite le plugin java pour le navigateur)

	 */

	private static void appelerUploadMultiple()

	{

		final Window nPan = new Window("Upload multiple");

		nPan.setWidth(640) ;

		final String applet = "<applet code=\"wjhk.jupload2.JUploadApplet\" archive=\"wjhk.jupload.jar\" alt=\"\" mayscript=\"\" height=\"350\" width=\"625\">";

		final String paramPostTarget = "<param name=\"postURL\" value=\"jrest/InventoryImage/\">";

		final String paramUploadPolicy = "<param name=\"uploadPolicy\" value=\"PictureUploadPolicy\">";

		final String paramMaxChunkSize = "<param name=\"maxChunkSize\" value=\"0\">";

		final String paramMaxFileSize = "<param name=\"maxFileSize\" value=\"10000000\">";

		final String paramTransmitMetaData = "<param name=\"pictureTransmitMetadata\" value=\"true\">";

		final String paramFilesPerRequest = "<param name=\"nbFilesPerRequest\" value=\"1\">";

		final String paramAllowedExtensions = "<param name=\"allowedFileExtensions\" value=\"jpg/jpeg/\">";

		final String paramUploadSuccess = "<param name=\"stringUploadSuccess\" value=\"OK\">" ;

		final String paramShowLogWindow = "<param name=\"showLogWindow\" value=\"false\">";

		final String paramFormdata = "<param name=\"formData\" value=\"postid\">" ;

		final String finApplet = "</applet>";

		final String appelApplet = applet

				+ paramPostTarget

				+ paramUploadPolicy

				+ paramMaxChunkSize

				+ paramMaxFileSize

				+ paramTransmitMetaData

				+ paramFilesPerRequest

				+ paramAllowedExtensions

				+ paramUploadSuccess

				+ paramShowLogWindow

				+paramFormdata

				+ finApplet;

		final String htmlForm =

			"<form method=\"post\" name=\"postid\">"

			+"<input type=\"hidden\" name=\"identifiant\" value=\""+iModele.getIdentifiant()+"\">"

			+"</form>" ;

		nPan.setHtml(appelApplet+htmlForm);

		nPan.addListener(new WindowListenerAdapter() {

			public void onClose(Panel panel) {

				iModele.requeteTerminee() ;

			}

		});

		nPan.show();

	}

	/**

	 * Fonction javascript native qui détecte la présence du plugin java pour le navigateur

	 * et appelle la méthode d'upload adaptée (appelerUploadSimple ou appelerUploadMultiple)

	 */

	public static native void choisirMethodeUpload() /*-{

	  	var agt=navigator.userAgent.toLowerCase();

		var ie  = (agt.indexOf("msie") != -1);

		var ns  = (navigator.appName.indexOf("Netscape") != -1);

		var win = ((agt.indexOf("win")!=-1) || (agt.indexOf("32bit")!=-1));

		var mac = (agt.indexOf("mac")!=-1);

		function detectIE(ClassID,name) { result = false; document.write('<SCRIPT LANGUAGE=VBScript>\n on error resume next \n result = IsObject(CreateObject("' + ClassID + '"))</SCRIPT>\n'); if (result) return name+','; else return ''; }

		function detectNS(ClassID,name) { n = ""; if (nse.indexOf(ClassID) != -1) if (navigator.mimeTypes[ClassID].enabledPlugin != null) n = name+","; return n; }

		if (ie && win) {	pluginlist = detectIE("Adobe.SVGCtl","SVG Viewer") + detectIE("SWCtl.SWCtl.1","Shockwave Director") + detectIE("ShockwaveFlash.ShockwaveFlash.1","Shockwave Flash") + detectIE("rmocx.RealPlayer G2 Control.1","RealPlayer") + detectIE("QuickTimeCheckObject.QuickTimeCheck.1","QuickTime") + detectIE("MediaPlayer.MediaPlayer.1","Windows Media Player") + detectIE("PDF.PdfCtrl.5","Acrobat Reader"); }

		if (ns || !win) {

				nse = ""; for (var i=0;i<navigator.mimeTypes.length;i++) nse += navigator.mimeTypes[i].type.toLowerCase();

				pluginlist = detectNS("image/svg-xml","SVG Viewer") + detectNS("application/x-director","Shockwave Director") + detectNS("application/x-shockwave-flash","Shockwave Flash") + detectNS("audio/x-pn-realaudio-plugin","RealPlayer") + detectNS("video/quicktime","QuickTime") + detectNS("application/x-mplayer2","Windows Media Player") + detectNS("application/pdf","Acrobat Reader");

		}

		pluginlist += navigator.javaEnabled() ? "Java," : "";

		if (pluginlist.length > 0) pluginlist = pluginlist.substring(0,pluginlist.length-1);

	  if(pluginlist.indexOf("Java")!=-1)

	  {

	  	@org.tela_botanica.client.modeles.ImageUploaderAsynchroneDAO::appelerUploadMultiple()() ;

	  }

	  else

	  {

	  	@org.tela_botanica.client.modeles.ImageUploaderAsynchroneDAO::appelerUploadSimple()() ;

	  }

	}-*/;

}