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/* |
* Copyright 2006 Google Inc. |
* |
* Licensed under the Apache License, Version 2.0 (the "License"); you may not |
* use this file except in compliance with the License. You may obtain a copy of |
* the License at |
* |
* http://www.apache.org/licenses/LICENSE-2.0 |
* |
* Unless required by applicable law or agreed to in writing, software |
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
* License for the specific language governing permissions and limitations under |
* the License. |
*/ |
package org.tela_botanica.client; |
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import com.google.gwt.i18n.client.Dictionary; |
import com.google.gwt.json.client.JSONArray; |
import com.google.gwt.json.client.JSONNumber; |
import com.google.gwt.json.client.JSONParser; |
import com.google.gwt.json.client.JSONString; |
import com.google.gwt.json.client.JSONValue; |
import com.google.gwt.user.client.HTTPRequest; |
import com.google.gwt.user.client.ResponseTextHandler; |
import com.google.gwt.user.client.ui.Composite; |
import com.google.gwt.user.client.ui.FlexTable; |
import com.google.gwt.user.client.ui.Grid; |
import com.google.gwt.user.client.ui.HTML; |
import com.google.gwt.user.client.ui.HorizontalPanel; |
import com.google.gwt.user.client.ui.VerticalPanel; |
import com.google.gwt.user.client.ui.DockPanel; |
import com.google.gwt.user.client.ui.Button; |
import com.google.gwt.user.client.ui.CheckBox; |
import com.google.gwt.user.client.ui.Widget; |
import com.google.gwt.user.client.ui.ClickListener; |
import com.google.gwt.user.client.ui.HasHorizontalAlignment; |
import com.google.gwt.user.client.ui.HasVerticalAlignment; |
import com.google.gwt.user.client.ui.HTMLTable.CellFormatter; |
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import java.util.Vector; |
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/* Le retour de getUser appelle getCount qui appelle update pour veiller à une initialisation correcte |
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/** |
* A composite that displays a list of emails that can be selected. |
*/ |
public class TaxonList extends Composite implements AutoCompleteAsyncTextBoxListener { |
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private class NavBar extends Composite implements ClickListener { |
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public final DockPanel bar = new DockPanel(); |
public final Button gotoFirst = new Button("<<", this); |
public final Button gotoNext = new Button(">", this); |
public final Button gotoPrev = new Button("<", this); |
public final Button gotoEnd = new Button(">>", this); |
public final HTML status = new HTML(); |
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public NavBar() { |
initWidget(bar); |
bar.setStyleName("navbar"); |
status.setStyleName("status"); |
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HorizontalPanel buttons = new HorizontalPanel(); |
buttons.add(gotoFirst); |
buttons.add(gotoPrev); |
buttons.add(gotoNext); |
buttons.add(gotoEnd); |
bar.add(buttons, DockPanel.EAST); |
bar.setCellHorizontalAlignment(buttons, DockPanel.ALIGN_RIGHT); |
bar.add(status, DockPanel.CENTER); |
bar.setVerticalAlignment(DockPanel.ALIGN_MIDDLE); |
bar.setCellHorizontalAlignment(status, HasHorizontalAlignment.ALIGN_RIGHT); |
bar.setCellVerticalAlignment(status, HasVerticalAlignment.ALIGN_MIDDLE); |
bar.setCellWidth(status, "100%"); |
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// Initialize prev & first button to disabled. |
// |
} |
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public void onClick(Widget sender) { |
if (sender == gotoNext) { |
// Move forward a page. |
startIndex += VISIBLE_TAXON_COUNT; |
if (startIndex >= count) |
startIndex -= VISIBLE_TAXON_COUNT; |
} |
else { |
if (sender == gotoPrev) { |
// Move back a page. |
startIndex -= VISIBLE_TAXON_COUNT; |
if (startIndex < 0) |
startIndex = 0; |
} |
else { |
if (sender==gotoEnd) { |
if ((count%VISIBLE_TAXON_COUNT)>0) { |
startIndex=count-(count%VISIBLE_TAXON_COUNT); |
} |
else { |
startIndex=count-VISIBLE_TAXON_COUNT; |
} |
} |
else { |
if (sender== gotoFirst) { |
startIndex = 0; |
} |
} |
} |
} |
update(); |
} |
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} |
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public void setStatusText(String text) { |
navBar.status.setText(text); |
} |
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public void clearStatusText() { |
navBar.status.setHTML(" "); |
} |
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private static final int VISIBLE_TAXON_COUNT = 15; |
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private Grid header = new Grid(1,6); |
private FlexTable table = new FlexTable(); |
private VerticalPanel panel = new VerticalPanel(); |
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private int startIndex=0; |
private String serviceBaseUrl=getServiceBaseUrl(); |
private int count=65000; |
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private Vector complements=null; |
private String element=null; |
private String complement=null; |
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private String user; |
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private NavBar navBar = new NavBar(); |
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public TaxonList(Vector comps) { |
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getUser(); |
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// Information complementaire |
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complements=comps; |
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// Setup the header |
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header.setCellSpacing(0); |
header.setCellPadding(2); |
header.setWidth("100%"); |
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header.setStyleName("taxon-ListHeader"); |
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header.setText(0, 0, ""); |
header.setText(0, 1, "Nom saisi"); |
header.setText(0, 2, "Nom retenu"); |
header.setHTML(0, 3, "Code<br>Nomenclatural"); |
header.setHTML(0, 4, "Code<br>Taxonomique"); |
header.setText(0, 5, ""); |
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header.getCellFormatter().setWidth(0,0,"2%"); |
header.getCellFormatter().setWidth(0,1,"31%"); |
header.getCellFormatter().setWidth(0,2,"31%"); |
header.getCellFormatter().setWidth(0,3,"9%"); |
header.getCellFormatter().setWidth(0,4,"9%"); |
header.getCellFormatter().setWidth(0,5,"18%"); |
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header.setCellSpacing(0); |
header.setCellPadding(2); |
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// Setup the table. |
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table.setCellSpacing(0); |
table.setBorderWidth(0); |
table.setCellPadding(2); |
table.setWidth("100%"); |
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navBar.setWidth("100%"); |
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table.setStyleName("taxon-List"); |
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panel.add(navBar); |
panel.add(header); |
panel.add(table); |
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initWidget(panel); |
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} |
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public void onValidate(SourcesAutoCompleteAsyncTextBoxEvents sender,int pos, String str) { |
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// Recherche informations complementaires : |
// et Ajout ligne |
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if (pos>=0) { |
complement=(String) complements.get(pos); |
element=str; |
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HTTPRequest.asyncGet(serviceBaseUrl+"/NameValid/"+complement, |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
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JSONValue jsonValue= JSONParser.parse(str); |
JSONArray jsonArray; |
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complements.clear(); |
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if ((jsonArray = jsonValue.isArray()) != null) { |
// Nom retenu, Num Nomen nom retenu, Num Taxon, Famille |
addElement(element,complement,((JSONString) jsonArray.get(0)).stringValue(), |
((JSONString) jsonArray.get(1)).stringValue(),((JSONString) jsonArray.get(2)).stringValue(), |
((JSONString) jsonArray.get(3)).stringValue()); |
} |
} |
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}); |
} |
else { |
complements.clear(); |
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addElement(str," "," "," "," "," "); |
} |
} |
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public void addElement(String nom_sel, String num_nom_sel, String nom_ret, String num_nom_ret, String num_taxon, String famille) { |
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int lastOrdre=1; |
if (table.getRowCount()>0) { |
lastOrdre=new Integer(table.getText(table.getRowCount()-1,6)).intValue()+1; |
} |
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count++; |
HTTPRequest.asyncPost(serviceBaseUrl+"/Inventory/", "identifiant="+user+"&nom_sel="+nom_sel+"&num_nom_sel="+num_nom_sel |
+"&nom_ret="+nom_ret+"&num_nom_ret="+num_nom_ret+"&num_taxon="+num_taxon+"&famille="+famille+"&ordre="+lastOrdre, |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
if ((count%VISIBLE_TAXON_COUNT)>0) { |
startIndex=count-(count%VISIBLE_TAXON_COUNT); |
} |
else { |
startIndex=count-VISIBLE_TAXON_COUNT; |
} |
if (startIndex < 0) { |
startIndex = 0; |
} |
update(); |
} |
}); |
} |
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public void deleteElement() { |
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// Lifo ... |
for (int i=table.getRowCount()-1; i>=0;i--){ |
if (((CheckBox) table.getWidget(i,0)).isChecked()) { |
String str=table.getText(i,6); |
count--; |
HTTPRequest.asyncPost(serviceBaseUrl+"/Inventory/"+user+"/"+str, "action=DELETE", |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
if ((count%VISIBLE_TAXON_COUNT)==0) { |
startIndex=count-VISIBLE_TAXON_COUNT; |
} |
if (startIndex < 0) { |
startIndex = 0; |
} |
update(); |
} |
}); |
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} |
} |
} |
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private void getUser() { |
HTTPRequest.asyncGet(serviceBaseUrl+"/User/", |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
JSONValue jsonValue= JSONParser.parse(str); |
JSONString jsonString; |
if ((jsonString = jsonValue.isString()) != null) { |
user = jsonString.stringValue(); |
} |
getCount(); |
} |
}); |
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} |
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private void getCount() { |
// Recherche derniere ligne ... (il y a une autre stratégie pour la calculer si le resultat n'arrive pas assez vite) |
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HTTPRequest.asyncGet(serviceBaseUrl+"/InventoryList/"+user+"/", |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
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//On se positionne sur la dernière page ... |
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JSONValue jsonValue= JSONParser.parse(str); |
JSONNumber jsonNumber; |
if ((jsonNumber = jsonValue.isNumber()) != null) { |
count=(int) jsonNumber.getValue(); |
if ((count%VISIBLE_TAXON_COUNT)>0) { |
startIndex=count-(count%VISIBLE_TAXON_COUNT); |
} |
else { |
startIndex=count-VISIBLE_TAXON_COUNT; |
} |
if (startIndex < 0) { |
startIndex = 0; |
} |
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update(); |
} |
} |
}); |
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} |
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private void update() { |
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// TODO : optimisation : ne supprimer que les lignes qui ne seront pas alimentes . |
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navBar.gotoFirst.setEnabled(false); |
navBar.gotoPrev.setEnabled(false); |
navBar.gotoNext.setEnabled(false); |
navBar.gotoEnd.setEnabled(false); |
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setStatusText("Patientez ..."); |
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HTTPRequest.asyncGet(serviceBaseUrl+"/InventoryList/"+user+"/"+startIndex+"/"+VISIBLE_TAXON_COUNT, |
new ResponseTextHandler(){ |
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public void onCompletion(String str) { |
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JSONValue jsonValue= JSONParser.parse(str); |
JSONArray jsonArray; |
JSONArray jsonArrayNested; |
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// Lifo ... |
for (int i=table.getRowCount()-1; i>=0;i--){ |
table.removeRow(i); |
} |
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int j=0; |
if ((jsonArray = jsonValue.isArray()) != null) { |
int i; |
for (i = 0; i < jsonArray.size(); ++i) { |
if ((jsonArrayNested = jsonArray.get(i).isArray()) != null) { |
int row=table.insertRow(table.getRowCount()); |
// Case a cocher |
table.setWidget(row,0,new CheckBox()); |
// Nom saisi |
table.setText(row,1,((JSONString) jsonArrayNested.get(0)).stringValue()); |
// Nom retenu |
table.setText(row,2,((JSONString) jsonArrayNested.get(2)).stringValue()); |
// Num nomenclatural |
table.setText(row,3,((JSONString) jsonArrayNested.get(1)).stringValue()); |
// Num Taxonomique |
table.setText(row,4,((JSONString) jsonArrayNested.get(4)).stringValue()); |
// Famille |
table.setText(row,5,((JSONString) jsonArrayNested.get(5)).stringValue()); |
// Numero d'ordre |
table.setText(row,6,((JSONString) jsonArrayNested.get(6)).stringValue()); |
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table.getCellFormatter().setVisible(row,6,true); |
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table.getFlexCellFormatter().setWidth(row,0,"2%"); |
table.getFlexCellFormatter().setWidth(row,1,"31%"); |
table.getFlexCellFormatter().setWidth(row,2,"31%"); |
table.getFlexCellFormatter().setWidth(row,3,"9%"); |
table.getFlexCellFormatter().setWidth(row,4,"9%"); |
table.getFlexCellFormatter().setWidth(row,5,"18%"); |
j++; |
} |
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} |
// Calcul nombre d'enregistrement total (c'est un doublon, c'est normal ...) |
if (i<VISIBLE_TAXON_COUNT) { |
count = startIndex+i; |
} |
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// Navigation |
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// Premiere page |
if (startIndex<VISIBLE_TAXON_COUNT ) { |
navBar.gotoPrev.setEnabled(false); |
navBar.gotoFirst.setEnabled(false); |
navBar.gotoNext.setEnabled(true); |
navBar.gotoEnd.setEnabled(true); |
if (count < VISIBLE_TAXON_COUNT) { |
setStatusText((startIndex + 1) + " - " + count ); |
} |
else { |
setStatusText((startIndex + 1) + " - " + (startIndex + VISIBLE_TAXON_COUNT)); |
} |
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} |
// Derniere page |
else { |
if (startIndex>=(count-VISIBLE_TAXON_COUNT)) { |
navBar.gotoPrev.setEnabled(true); |
navBar.gotoFirst.setEnabled(true); |
navBar.gotoNext.setEnabled(false); |
navBar.gotoEnd.setEnabled(false); |
setStatusText((startIndex + 1) + " - " + count); |
} |
// Page normale |
else { |
navBar.gotoPrev.setEnabled(true); |
navBar.gotoFirst.setEnabled(true); |
navBar.gotoNext.setEnabled(true); |
navBar.gotoEnd.setEnabled(true); |
setStatusText((startIndex + 1) + " - " + (startIndex + VISIBLE_TAXON_COUNT)); |
} |
} |
} |
// Tableau vide (TODO : despaguettiser) |
if (j==0) { |
navBar.gotoPrev.setEnabled(false); |
navBar.gotoFirst.setEnabled(false); |
navBar.gotoNext.setEnabled(false); |
navBar.gotoEnd.setEnabled(false); |
setStatusText(0 + " - " + 0); |
} |
} |
}); |
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} |
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private String getServiceBaseUrl() { |
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Dictionary theme = Dictionary.getDictionary("Parameters"); |
return theme.get("serviceBaseUrl"); |
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} |
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} |