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/*
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 * Copyright 2006 Google Inc.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
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 * use this file except in compliance with the License. You may obtain a copy of
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 * the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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 * License for the specific language governing permissions and limitations under
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 * the License.
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 */
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package org.tela_botanica.client;
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import java.util.Date;
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import com.google.gwt.json.client.JSONArray;
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import com.google.gwt.json.client.JSONParser;
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import com.google.gwt.json.client.JSONString;
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import com.google.gwt.json.client.JSONValue;
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import com.google.gwt.user.client.HTTPRequest;
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import com.google.gwt.user.client.ResponseTextHandler;
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import com.google.gwt.user.client.ui.Button;
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import com.google.gwt.user.client.ui.ChangeListener;
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import com.google.gwt.user.client.ui.CheckBox;
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import com.google.gwt.user.client.ui.ClickListener;
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import com.google.gwt.user.client.ui.Composite;
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import com.google.gwt.user.client.ui.Grid;
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import com.google.gwt.user.client.ui.HTML;
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import com.google.gwt.user.client.ui.HorizontalPanel;
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import com.google.gwt.user.client.ui.KeyboardListener;
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import com.google.gwt.user.client.ui.PopupPanel;
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import com.google.gwt.user.client.ui.TextBox;
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import com.google.gwt.user.client.ui.VerticalPanel;
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import com.google.gwt.user.client.ui.Widget;
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/**
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 * Composite permet de wrapper des Widget pour creer un nouveau Widget cf methode initWidget()
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 */
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public class EntryPanel extends Composite   {
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  private NameAssistant nameAssistant = null;
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  private LocationAssistant locationAssistant = null;
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  TextBox date = new TextBox();
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  TextBox complementLocation = new TextBox();
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  TextBox comment = new TextBox();
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  Button dateSelector = new Button("...");
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  boolean visible=false;
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  Mediator mediator=null;
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  private String serviceBaseUrl = null;
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  private String user= null;
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  private String ordre =null;
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  final CalendarWidget calendar = new CalendarWidget();
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  private PopupPanel choicesPopup = new PopupPanel(true);
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  public EntryPanel(final Mediator med) {
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   mediator=med;
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   mediator.registerEntryPanel(this);
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   mediator.registerDate(date);
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   mediator.registerComment(comment);
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   mediator.registerComplementLocation(complementLocation);
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   user=mediator.getUser();
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   serviceBaseUrl = mediator.getServiceBaseUrl();
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   VerticalPanel outer = new VerticalPanel();
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//	outer.add(new HTML("<b>Nouvelle observation:</b>"));
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   Grid inner = new Grid(3,4);
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   for (int i=0; i<3;i++) {
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	inner.getCellFormatter().setWidth(i, 0, "3%");
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	inner.getCellFormatter().setWidth(i, 1, "47%");
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	inner.getCellFormatter().setWidth(i, 2, "3%");
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	inner.getCellFormatter().setWidth(i, 3, "47%");
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   }
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	nameAssistant = new NameAssistant(mediator);
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	locationAssistant = new LocationAssistant(mediator);
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	// Saisie Nom
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     HTML labelNameAssistant = new HTML("Esp&egrave;ce:&nbsp;");
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     inner.setWidget(0,0,labelNameAssistant);
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     inner.setWidget(0,1,nameAssistant);
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     nameAssistant.setWidth("100%");
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	 // Saisie lieu
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     HTML labelLocationAssistant= new HTML("Commune:&nbsp;");
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     inner.setWidget(1,0,labelLocationAssistant);
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     inner.setWidget(1,1,locationAssistant);
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     locationAssistant.setWidth("100%");
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     // Saisie Date
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     choicesPopup.add(calendar);
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     dateSelector.addClickListener(new ClickListener () {
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       public void onClick(Widget w) {
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    	   if (visible) {
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    		  visible=false;
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    		  choicesPopup.hide();
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    	   }
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    	   else {
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    		visible=true;
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    	    choicesPopup.show();
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	        choicesPopup.setPopupPosition(dateSelector.getAbsoluteLeft(),
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	        dateSelector.getAbsoluteTop()  - dateSelector.getOffsetHeight() - choicesPopup.getOffsetHeight());
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	        choicesPopup.setWidth(dateSelector.getOffsetWidth() + "px");
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    	   }
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       }
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     });
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     calendar.addChangeListener(new ChangeListener() {
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     public void onChange(Widget sender) {
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       Date dateSelected=calendar.getDate();
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       date.setText(dateSelected.getDate()+"/"+(dateSelected.getMonth()+1)+"/"+(dateSelected.getYear()+1900));
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       visible=false;
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       choicesPopup.hide();
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     }
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     });
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    HTML labelDate= new HTML("Date:&nbsp;");
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    inner.setWidget(2,0,labelDate);
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    HorizontalPanel datePanel = new HorizontalPanel();
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    datePanel.add(date);
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    datePanel.add(dateSelector);
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    inner.setWidget(2,1,datePanel);
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    date.addKeyboardListener( new KeyboardListener() {
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    		  public void onKeyDown(Widget arg0, char arg1, int arg2) {
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    			  if(arg1 == KEY_ENTER)
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    			    {
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    			     mediator.onAddInventoryItem();
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    			     date.setText("");
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    			    }
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    		  }
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    		  public void onKeyUp(Widget arg0, char arg1, int arg2) {
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    		  }
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    		  public void onKeyPress(Widget arg0, char arg1, int arg2) {
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    		  }
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    		  }
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    );
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	 // Saisie Complement lieu
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    HTML labelComplementLocation= new HTML("Station:&nbsp;");
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    inner.setWidget(1,2,labelComplementLocation);
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    inner.setWidget(1,3,complementLocation);
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    complementLocation.setWidth("100%");
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    complementLocation.addKeyboardListener( new KeyboardListener() {
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		  public void onKeyDown(Widget arg0, char arg1, int arg2) {
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			  if(arg1 == KEY_ENTER)
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			    {
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			     mediator.onAddInventoryItem();
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			     complementLocation.setText("");
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			    }
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		  }
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		  public void onKeyUp(Widget arg0, char arg1, int arg2) {
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		  }
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		  public void onKeyPress(Widget arg0, char arg1, int arg2) {
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		  }
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		  }
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    );
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	 // Saisie Commentaire
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    HTML labelComment= new HTML("Notes:&nbsp;");
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    inner.setWidget(2,2,labelComment);
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    inner.setWidget(2,3,comment);
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    comment.setWidth("100%");
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    comment.addKeyboardListener( new KeyboardListener() {
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		  public void onKeyDown(Widget arg0, char arg1, int arg2) {
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			  if(arg1 == KEY_ENTER)
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			    {
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			     mediator.onAddInventoryItem();
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			     comment.setText("");
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			    }
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		  }
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		  public void onKeyUp(Widget arg0, char arg1, int arg2) {
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		  }
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		  public void onKeyPress(Widget arg0, char arg1, int arg2) {
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		  }
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		  }
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  );
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    Button addButton = new Button("Ajout");
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    Button updateButton = new Button("Modification");
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    addButton.addClickListener(
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    		new ClickListener() {
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    			  public void onClick(Widget w) {
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    				     mediator.onAddInventoryItem();
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    			  }
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    		}
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    );
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    HorizontalPanel buttonPanel = new HorizontalPanel();
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    updateButton.addClickListener(
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    		new ClickListener() {
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    			  public void onClick(Widget w) {
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    				     mediator.onModifyInventoryItem(ordre);
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    			  }
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    		}
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    );
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    buttonPanel.add(addButton);
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    buttonPanel.add(updateButton);
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	 inner.setWidth("100%");
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	 outer.add(inner);
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	 outer.setCellWidth(inner, "100%");
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	 outer.setSpacing(20);
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	outer.setHorizontalAlignment(HorizontalPanel.ALIGN_CENTER);
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    outer.add(buttonPanel);
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    initWidget(outer);
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  }
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	/*
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	 * Numero d'ordre du relevé affiché
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	 *
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	 */
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	public void setOrdre(String ordre) {
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		this.ordre = ordre;
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	}
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	/*
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	 * Numero d'ordre du relevé affiché
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	 *
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	 */
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	public String getOrdre() {
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		return this.ordre;
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	}
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  /**
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	 * Mise a jour de l'affichage a partir de données deja saisie
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	 *
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	 */
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328 
	public void update() {
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330 
		HTTPRequest.asyncGet(serviceBaseUrl + "/Inventory/" + user + "/" + ordre,
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332 
		new ResponseTextHandler() {
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334 
			public void onCompletion(String str) {
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336 
				JSONValue jsonValue = JSONParser.parse(str);
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				JSONArray jsonArray;
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339 
 
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				if ((jsonArray = jsonValue.isArray()) != null) {
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							// Nom saisi
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							nameAssistant.setText(((JSONString) jsonArray.get(0)).stringValue());
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							// Numero nomenclatural
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346 
							String ann=((JSONString) jsonArray .get(3)).stringValue();
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348 
							if (ann.compareTo("0")!=0) {
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								nameAssistant.setValue(ann);
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							}
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							// Commune
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							String aloc=((JSONString) jsonArray .get(6)).stringValue();
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							if (aloc.compareTo("000null")!=0) {
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								locationAssistant.setText(aloc);
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							}
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							else {
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								locationAssistant.setText("");
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							}
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362 
							String adate=((JSONString) jsonArray .get(8)).stringValue();
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364 
//							Date
365 
							if (adate.compareTo("0000-00-00 00:00:00")!=0) {
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								date.setText(adate);
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							}
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							else {
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								date.setText("");
370 
							}
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373 
							String astation=((JSONString) jsonArray .get(9)).stringValue();
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375 
//							Station
376 
							if (astation.compareTo("null")!=0) {
377 
								complementLocation.setText(astation);
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							}
379 
							else {
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								complementLocation.setText("");
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							}
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							String acomment=((JSONString) jsonArray .get(10)).stringValue();
385 
//							Notes
386 
							if (acomment.compareTo("null")!=0) {
387 
								comment.setText(acomment);
388 
							}
389 
							else {
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								comment.setText("");
391 
							}
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393 
				}
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396 
 
397 
			}
398 
		});
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	}
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}