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Java > Open Source Codes > org > exoplatform > portlet > faces > component > UIPreferencesForm


1 /**
2  * Copyright 2001-2003 The eXo platform SARL All rights reserved.
3  * Please look at license.txt in info directory for more license detail.
4  */
5
6 package org.exoplatform.portlet.faces.component;
7
8 import java.util.Enumeration;
9 import java.util.ResourceBundle;
10 import javax.faces.context.FacesContext;
11 import javax.portlet.ActionResponse;
12 import javax.portlet.PortletMode;
13 import javax.portlet.PortletPreferences;
14 import javax.portlet.PortletRequest;
15 import org.exoplatform.faces.core.component.UISimpleForm;
16 import org.exoplatform.faces.core.component.UIStringInput;
17 import org.exoplatform.faces.core.component.model.FormButton;
18 import org.exoplatform.faces.core.component.model.LabelCell;
19 import org.exoplatform.faces.core.component.model.ListComponentCell;
20 import org.exoplatform.faces.core.component.model.Row;
21 import org.exoplatform.faces.core.event.ExoActionEvent;
22 import org.exoplatform.faces.core.event.ExoActionListener;
23
24 /**
25  * Created y the eXo platform team
26  * User: Benjamin Mestrallet
27  * Date: 31 ao�t 2004
28  */
29 public class UIPreferencesForm extends UISimpleForm {
30   private static final String ENCODING = "pref_";
31   protected ResourceBundle res;
32
33
34   public UIPreferencesForm(ResourceBundle res) {
35     super("preferencesForm", "post", null);
36     setClazz("UIPreferencesForm");
37     this.res = res;
38     FacesContext context = FacesContext.getCurrentInstance();
39     PortletRequest request = (PortletRequest) context.getExternalContext().getRequest();
40     PortletPreferences prefs = request.getPreferences();
41     Enumeration names = prefs.getNames();
42     String[] defaultValues = {""};
43     while (names.hasMoreElements()) {
44       String name = (String) names.nextElement();
45       Row row = new Row();
46       row.add(new LabelCell(name));
47       ListComponentCell listComponentCell = new ListComponentCell();
48       String[] values = prefs.getValues(name, defaultValues);
49       for (int i = 0; i < values.length; i++) {
50         String value = values[i];
51         UIStringInput input = new UIStringInput(ENCODING + name, value);
52         listComponentCell.add(this, input);
53       }
54       add(row.add(listComponentCell));
55     }
56
57     add(new Row().
58         add(new ListComponentCell().
59         add(new FormButton("Save", SAVE_ACTION)).addAlign("center")));
60
61     addActionListener(ExecuteActionListener.class, SAVE_ACTION);
62   }
63
64   static public class ExecuteActionListener extends ExoActionListener {
65     public void execute(ExoActionEvent event) throws Exception {
66       FacesContext facesContext = FacesContext.getCurrentInstance();
67       PortletRequest request = (PortletRequest) facesContext.getExternalContext().getRequest();
68       PortletPreferences prefs = request.getPreferences();
69       
70       Enumeration enum = request.getParameterNames();
71       while (enum.hasMoreElements()) {
72         String paramName = (String) enum.nextElement();
73         if (paramName.startsWith(ENCODING)) {
74           String name = paramName.substring(5, paramName.length());
75           String[] values = request.getParameterValues(paramName);
76           prefs.setValues(name, values);
77         }
78       }
79       prefs.store();
80       //((ActionResponse) facesContext.getExternalContext().getResponse()).setPortletMode(PortletMode.VIEW);
81 }
82   }
83 }
84
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