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1 package fr.improve.struts.taglib.layout.renderer;
2
3 import javax.servlet.http.HttpServletResponse  ;
4 import javax.servlet.jsp.JspException ;
5 import javax.servlet.jsp.PageContext ;
6
7 import fr.improve.struts.taglib.layout.pager.PagerTag;
8 import fr.improve.struts.taglib.layout.skin.Skin;
9 import fr.improve.struts.taglib.layout.util.IPagerRenderer;
10 import fr.improve.struts.taglib.layout.util.LayoutUtils;
11
12 public class BasicPagerRenderer implements IPagerRenderer {
13
14
15 public void doStartPager(PagerTag in_tag, StringBuffer in_buffer) {
16 in_buffer.append("<table border=\"0\" cellspacing=\"1\" cellpadding=\"1\"");
18 if (in_tag.getWidth() != null) {
19 in_buffer.append(" width=\"");
20 in_buffer.append(in_tag.getWidth());
21 in_buffer.append("\"");
22 }
23 if (in_tag.getStyleClass() != null) {
24 in_buffer.append(" class=\"");
25 in_buffer.append(in_tag.getStyleClass());
26 in_buffer.append("\"");
27 }
28 in_buffer.append(" id=\"");
29 in_buffer.append(in_tag.getPagerId());
30 in_buffer.append("\"><tr>\n");
31 }
32
33 public void doPrintPrevious(PagerTag in_tag, StringBuffer in_buffer, int l_currentPage) {
34 in_buffer.append("<td");
36 if (in_tag.getAlign()==null) {
37 in_buffer.append(" width=\"50%\" style=\"text-align : right\"");
38 }
39 if (in_tag.getStyleClass() != null) {
40 in_buffer.append(" class='");
41 in_buffer.append(in_tag.getStyleClass());
42 in_buffer.append("'");
43 }
44 in_buffer.append(">");
45 if (l_currentPage >= 1) {
46 PageContext pg = in_tag.getPageContext();
47 in_buffer.append("<a HREF=\"");
48 in_buffer.append(((HttpServletResponse )pg.getResponse()).encodeURL(in_tag.getURL(l_currentPage-1)));
49 in_buffer.append("\">");
50
51 String lc_previousImgPath = getSkin(pg).getProperty(in_tag.getPreviousImgKey());
52 String lc_previousLabel = getSkin(pg).getProperty(in_tag.getPreviousMsgKey());
53 if (lc_previousImgPath == null || lc_previousImgPath.length()==0) {
54 in_buffer.append(lc_previousLabel);
55 } else {
56 in_buffer.append("<img SRC='");
57 in_buffer.append(getSkin(pg).getImageDirectory(pg.getRequest()));
58 in_buffer.append("/");
59 in_buffer.append(lc_previousImgPath);
60 in_buffer.append("' border='0' alt='");
61 in_buffer.append(lc_previousLabel);
62 in_buffer.append("'>");
63 }
64 in_buffer.append("</a>");
65 }
66 in_buffer.append("</td>\n");
67 }
68
69
70
71 private Skin getSkin(PageContext in_pg) {
72 return LayoutUtils.getSkin(in_pg.getSession());
73 }
74
75 public void doPrintMain(PagerTag in_tag, StringBuffer in_buffer, int l_maxPageItems, int l_currentPage) {
76 in_buffer.append("<td ");
78 if (in_tag.getStyleClass() != null) {
79 in_buffer.append(" class='");
80 in_buffer.append(in_tag.getStyleClass());
81 in_buffer.append("'");
82 }
83 in_buffer.append(">");
84
85 int l_maxLinks = in_tag.computeMaxLinks();
87
88 boolean lc_previousDisplayed = true;
90
91 int i;
93 for (i = 0; in_tag.getSize() > l_maxPageItems * i ; i++) {
94
95 if (in_tag.shouldDisplay(i, l_currentPage, in_tag.getNumberOfPage(), l_maxLinks)) {
96 if (i != l_currentPage) {
98 in_buffer.append("<a HREF=\"");
99 in_buffer.append(((HttpServletResponse )in_tag.getPageContext().getResponse()).encodeURL(in_tag.getURL(i)));
100 if (in_tag.getStyleClass() != null) {
101 in_buffer.append("\" class=\"");
102 in_buffer.append(in_tag.getStyleClass());
103 }
104 in_buffer.append("\">");
105 }
106 in_buffer.append((i+1));
107 if (i != l_currentPage) {
108 in_buffer.append("</a>");
109 }
110 lc_previousDisplayed = true;
111 in_buffer.append(" ");
112 } else {
113 if (lc_previousDisplayed) {
115 in_buffer.append("...");
116 in_buffer.append(" ");
117 }
118 lc_previousDisplayed = false;
119 }
120 }
121 in_buffer.append("</td>\n");
122 }
124
125 public void doPrintNext(PagerTag in_tag, StringBuffer in_buffer, int l_maxPageItems, int l_currentPage) {
126 in_buffer.append("<td");
128 if (in_tag.getAlign()==null) {
129 in_buffer.append(" width=\"50%\" style=\"text-align : left\"");
130 }
131 if (in_tag.getStyleClass() != null) {
132 in_buffer.append(" class='");
133 in_buffer.append(in_tag.getStyleClass());
134 in_buffer.append("'");
135 }
136 in_buffer.append(">");
137 Skin lc_skin = getSkin(in_tag.getPageContext());
138 if ((l_currentPage+1) * l_maxPageItems < in_tag.getSize()) {
139 in_buffer.append("<a HREF=\"");
140 in_buffer.append(((HttpServletResponse )in_tag.getPageContext().getResponse()).encodeURL(in_tag.getURL(l_currentPage+1)));
141 in_buffer.append("\">");
142
143 String lc_nextImgPath = lc_skin.getProperty(in_tag.getNextImgKey());
144 String lc_nextLabel = lc_skin.getProperty(in_tag.getNextMsgKey());
145 if (lc_nextImgPath == null || lc_nextImgPath.length()==0) {
146 in_buffer.append(lc_nextLabel);
147 } else {
148 in_buffer.append("<img SRC='");
149 in_buffer.append(lc_skin.getImageDirectory(in_tag.getPageContext().getRequest()));
150 in_buffer.append("/");
151 in_buffer.append(lc_nextImgPath);
152 in_buffer.append("' border='0' alt='");
153 in_buffer.append(lc_nextLabel);
154 in_buffer.append("'>");
155 }
156 in_buffer.append("</a>");
157 }
158 in_buffer.append("</td>\n");
159 }
160
161 public void doPrintDirect(PagerTag in_tag, StringBuffer in_buffer, int in_maxPageItems, int in_currentPage) throws JspException {
162 in_buffer.append("<th");
164 if (in_tag.getStyleClass() != null) {
165 in_buffer.append(" class=\"");
166 in_buffer.append(in_tag.getStyleClass());
167 in_buffer.append("\"");
168 }
169 in_buffer.append(">");
170 in_buffer.append(LayoutUtils.getLabel(in_tag.getPageContext(), in_tag.getGotoProperty(), null));
171 in_buffer.append(" <input type=\"text\" value=\"\" size=\"4\" maxlength=\"4\" onkeypress=\"pagerGoto(this, event, '");
172 in_buffer.append(in_tag.getUrl());
173 in_buffer.append("','");
174 in_buffer.append(PagerTag.PAGE_NUMBER_KEY);
175 in_buffer.append("',");
176 in_buffer.append((int)Math.ceil((float)in_tag.getSize()/in_maxPageItems));
177 in_buffer.append(")\">");
178
179 in_buffer.append("</th>");
180 }
181
182 public void doEndPager(PagerTag in_tag, StringBuffer in_buffer) {
183 in_buffer.append("</tr></table>");
184 }
185
186
187
188 }
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