1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
import com.googlecode.tabletags.tagsupport.PagerDisplay;
import com.googlecode.tabletags.tagsupport.Sortable;
import com.opensymphony.xwork2.ActionSupport;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.struts2.interceptor.SessionAware;
/**
* A test action that tests the rendering of the table tag.
*/
public class TableAction extends ActionSupport implements SessionAware,
Sortable {
// key in the session where the current page number is stored
public static final String PAGE_NUMBER = "PAGE_NUMBER";
public static final String COLUMN_KEY = "COLUMN_KEY";
public static final String SORT_ORDER = "SORT_ORDER";
private List items;
private Map session;
private String pagerCommand;
private PagerDisplay pagerDisplay;
private String sortColumnKey;
/**
* @see com.opensymphony.xwork2.ActionSupport#execute()
*/
public String execute() {
// Récup des données (Hibernate, etc...)
ItemDAO iDao = new ItemDAO();
List temp = iDao.findAll();
//tu peux aussi récupérer via les valeurs du PagerDisplay via les paramètres pour le rendre configurable.
pagerDisplay = new PagerDisplay(15,1,items.size());
int currentPage = getPageNumber();
if(pagerCommand != null) {
if("next".equals(pagerCommand) && currentPage < pagerDisplay.getTotalPages()) {
currentPage += 1;
} else if("previous".equals(pagerCommand) && currentPage > 1) {
currentPage -= 1;
}
session.put(PAGE_NUMBER, new Integer(currentPage));
}
int start = pagerDisplay.pageSize * (currentPage-1);
int stop = pagerDisplay.pageSize * currentPage
if(start<0) start = 0;
if(stop>temp.size()) stop = temp.size();
item = temp.subList(start,stop);
if(sortColumnKey != null) {
if(sortColumnKey.equals(getSortColumnKey())) {
if(DESCENDING.equals(getSortOrder())) {
session.put(SORT_ORDER, ASCENDING);
} else {
session.put(SORT_ORDER, DESCENDING);
}
} else {
session.put(COLUMN_KEY, sortColumnKey);
session.put(SORT_ORDER, DESCENDING);
}
}
return SUCCESS;
}
protected int getPageNumber() {
Integer pageNum = (Integer) session.get(PAGE_NUMBER);
if(pageNum == null) {
pageNum = new Integer(1);
session.put(PAGE_NUMBER, pageNum);
}
return pageNum.intValue();
}
public List getItems() {
return items;
}
public void setItems(List items) {
this.items = items;
}
public void setSession(Map session) {
this.session = session;
}
public String getPagerCommand() {
return pagerCommand;
}
public PagerDisplay getPagerDisplay() {
return pagerDisplay;
}
public void setPagerCommand(String pagerCommand) {
this.pagerCommand = pagerCommand;
}
public void setPagerDisplay(PagerDisplay pagerDisplay) {
this.pagerDisplay = pagerDisplay;
}
public String getSortColumnKey() {
String sortColumnKey = (String) session.get(COLUMN_KEY);
if(sortColumnKey == null) {
//Doit correspondre à la clé de la colonne par défaut
return "col1";
}
return sortColumnKey;
}
public String getSortOrder() {
String sortOrder = (String) session.get(SORT_ORDER);
if(sortOrder == null) {
return DESCENDING;
}
return sortOrder;
}
public void setSortColumnKey(String sortColumnKey) {
this.sortColumnKey = sortColumnKey;
}
} |
Exemples utilisations tabletags
Répondre avec citation
Partager