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1
19
20 package com.sslexplorer.table.tags;
21
22 import java.net.MalformedURLException  ;
23 import java.util.HashMap ;
24 import java.util.Map ;
25 import java.util.StringTokenizer ;
26
27 import javax.servlet.jsp.JspException ;
28 import javax.servlet.jsp.tagext.TagSupport ;
29
30 import org.apache.struts.taglib.TagUtils;
31
32 import com.sslexplorer.core.CoreUtil;
33 import com.sslexplorer.core.tags.FormTag;
34 import com.sslexplorer.table.Pager;
35
36 public class NavigationTag extends TagSupport {
37 protected String pagerProperty = null;
38 protected String pagerName = null;
39 protected String action = null;
40 protected String styleId = null;
41 protected String styleClass = null;
42 protected String style = null;
43 protected String disabledStyleId = null;
44 protected String disabledStyleClass = null;
45 protected String disabledStyle = null;
46 protected String forward = null;
47 protected String attributesName;
48 protected String attributesProperties;
49 protected String subForm = null;
50 private String selectedStyle;
51 private String selectedStyleClass;
52 private String selectedStyleId;
53
54 public String getPagerName() {
55 return (this.pagerName);
56 }
57
58 public void setAction(String action) {
59 this.action = action;
60 }
61
62 public String getAction() {
63 return action;
64 }
65
66 public String getForward() {
67 return forward;
68 }
69
70 public void setForward(String forward) {
71 this.forward = forward;
72 }
73
74 public void setPagerName(String pagerName) {
75 this.pagerName = pagerName;
76 }
77
78 public String getPagerProperty() {
79 return (this.pagerProperty);
80 }
81
82 public void setPagerProperty(String pagerProperty) {
83 this.pagerProperty = pagerProperty;
84 }
85
86 public void setStyle(String style) {
87 this.style = style;
88 }
89
90 public String getStyle() {
91 return style;
92 }
93
94 public void setSubForm(String subForm) {
95 this.subForm = subForm;
96 }
97
98 public String getSubForm() {
99 return subForm;
100 }
101
102 public void setStyleClass(String styleClass) {
103 this.styleClass = styleClass;
104 }
105
106 public String getStyleClass() {
107 return styleClass;
108 }
109
110 public void setStyleId(String styleId) {
111 this.styleId = styleId;
112 }
113
114 public String getStyleId() {
115 return styleId;
116 }
117
118 public void setDisabledStyle(String disabledStyle) {
119 this.disabledStyle = disabledStyle;
120 }
121
122 public String getDisabledStyle() {
123 return disabledStyle;
124 }
125
126 public void setDisabledStyleClass(String disabledStyleClass) {
127 this.disabledStyleClass = disabledStyleClass;
128 }
129
130 public String getDisabledStyleClass() {
131 return disabledStyleClass;
132 }
133
134 public void setDisabledStyleId(String disabledStyleId) {
135 this.disabledStyleId = disabledStyleId;
136 }
137
138 public String getDisabledStyleId() {
139 return disabledStyleId;
140 }
141
142 public void setSelectedStyle(String selectedStyle) {
143 this.selectedStyle = selectedStyle;
144 }
145
146 public String getSelectedStyle() {
147 return selectedStyle;
148 }
149
150 public void setSelectedStyleClass(String selectedStyleClass) {
151 this.selectedStyleClass = selectedStyleClass;
152 }
153
154 public String getSelectedStyleClass() {
155 return selectedStyleClass;
156 }
157
158 public void setSelectedStyleId(String selectedStyleId) {
159 this.selectedStyleId = selectedStyleId;
160 }
161
162 public String getSelectedStyleId() {
163 return selectedStyleId;
164 }
165
166 public void release() {
167 super.release();
168 pagerName = null;
169 pagerProperty = null;
170 action = null;
171 styleId = null;
172 styleClass = null;
173 style = null;
174 disabledStyleId = null;
175 disabledStyleClass = null;
176 disabledStyle = null;
177 selectedStyleId = null;
178 selectedStyleClass = null;
179 selectedStyle = null;
180 attributesName = null;
181 attributesProperties = null;
182 subForm = null;
183
184 }
185
186 public void setAttributesName(String attributesName) {
187 this.attributesName = attributesName;
188 }
189
190 public void setAttributesProperties(String attributesProperties) {
191 this.attributesProperties = attributesProperties;
192 }
193
194 public int doEndTag() throws JspException {
195 StringBuffer results = new StringBuffer ();
196 Pager pager = (Pager) TagUtils.getInstance().lookup(pageContext, pagerName, pagerProperty, null);
197 if (pager != null && pager.getModel().getRowCount() >= Integer.parseInt(PageSizeTag.PAGE_SIZES[0])) {
198
202 results.append("<ul><li>");
204 results.append("<a HREF=\"");
205 if (pager.getStartRow() > 0) {
206 results.append(getPageLink(0, pager));
207 } else {
208 results.append("javascript: void();");
209 }
210 results.append("\"");
211 results.append(makeStyles(false, false));
212 results.append(">");
213 results.append("<div class=\"firstPage\"><span><<</span></div>");
214 results.append("</a></li>");
215
216 results.append("<li><a HREF=\"");
218 if (pager.getHasPreviousPage()) {
219 results.append(getPageLink(pager.getStartRow() - pager.calcPageSize(), pager));
220 } else {
221 results.append("javascript: void();");
222 }
223 results.append("\"");
224 results.append(makeStyles(false, false));
225 results.append(">");
226 results.append("<div class=\"previousPage\"><span><</span></div>");
227 results.append("</a></li>");
228
229 int currPage = pager.getPageSize() == 0 ? 0 : (pager.getStartRow() / pager.getPageSize()) + 1;
231 int maxToDisplay = 10;
232 int page = Math.max(1, currPage - (maxToDisplay / 2));
233 int idx = (page - 1) * pager.getPageSize();
234
235 for (int pageIdx = 0; pageIdx < maxToDisplay && idx < pager.getFilteredRowCount(); pageIdx++) {
236 boolean selected = idx >= pager.getStartRow() && idx < pager.getStartRow() + pager.calcPageSize();
237 results.append("<li><a HREF=\"");
238 results.append(selected ? "#" : getPageLink(idx, pager));
239 results.append("\" ");
240 results.append(makeStyles(false, selected));
241 results.append("><div class=\"pageNumber\">");
242 results.append(page);
243 results.append("</div></a></li>");
244 page++;
245 idx += pager.calcPageSize();
246 }
247
248 results.append("<li><a HREF=\"");
250 if (pager.getHasNextPage()) {
251 results.append(getPageLink(pager.getStartRow() + pager.getPageSize(), pager));
252 } else {
253 results.append("javascript: void();");
254 }
255 results.append("\"");
256 results.append(makeStyles(false, false));
257 results.append(">");
258 results.append("<div class=\"nextPage\"><span>></span></div>");
259 results.append("</a></li>");
260
261 results.append("<li><a HREF=\"");
263 if (pager.getPageSize() != 0) {
264 int lastPageRow = pager.getFilteredRowCount() - (pager.getFilteredRowCount() % pager.getPageSize());
265 if (pager.getStartRow() < lastPageRow && lastPageRow < pager.getFilteredRowCount()) {
266 results.append(getPageLink(lastPageRow, pager));
267 } else {
268 results.append("javascript: void();");
269 }
270 } else {
271 results.append("javascript: void();");
272 }
273
274 results.append("\"");
285 results.append(makeStyles(false, false));
286 results.append(">");
287 results.append("<div class=\"lastPage\"><span>>></span></div>");
288 results.append("</a></li>");
289 results.append("</ul>");
290 } else {
291 results.append(" ");
292 }
293
294 TagUtils.getInstance().write(pageContext, results.toString());
295 return (EVAL_PAGE);
296
297 }
298
299 protected String getPageLink(int startRow, Pager pager) {
300 String url = null;
301 try {
302 Map params = new HashMap ();
303 params.put("startRow", String.valueOf(startRow));
304 params.put("pageSize", String.valueOf(pager.getPageSize()));
305 params.put("sortName", pager.getSortName());
306 params.put("sortReverse", String.valueOf(pager.getSortReverse()));
307
308 if (subForm != null)
309 params.put("subForm", subForm);
310 if (attributesName != null) {
311 StringTokenizer t = new StringTokenizer (attributesProperties, ",");
312 while (t.hasMoreTokens()) {
313 String attr = t.nextToken();
314 try {
315 params.put(attr, TagUtils.getInstance().lookup(pageContext, attributesName, attr, null).toString());
316 } catch (Exception e) {
317 }
318 }
319 }
320 url = TagUtils.getInstance().computeURLWithCharEncoding(pageContext, forward, null, "", action, null, params, null,
321 false, false);
322 } catch (MalformedURLException e) {
323 }
324 return (url);
325 }
326
327 protected String makeStyles(boolean disabled, boolean selected) throws JspException {
328 StringBuffer results = new StringBuffer ();
329 String s = selected ? getSelectedStyleClass() : (disabled ? getDisabledStyleClass() : getStyleClass());
330 if (s != null) {
331 results.append(" class=\"");
332 results.append(s);
333 results.append("\"");
334 }
335 s = selected ? getSelectedStyle() : (disabled ? getDisabledStyle() : getStyle());
336 if (s != null) {
337 results.append(" style=\"");
338 results.append(s);
339 results.append("\"");
340 }
341 s = selected ? getSelectedStyleId() : (disabled ? getDisabledStyleId() : getStyleId());
342 if (s != null) {
343 results.append(" id=\"");
344 results.append(s);
345 results.append("\"");
346 }
347 return results.toString();
348 }
349
350
355 public int doStartTag() throws JspException {
356 FormTag formTag = (FormTag) CoreUtil.getParentTagOfClass(FormTag.class, this);
358 if (formTag != null) {
359 subForm = formTag.getSubFormName();
360 }
361 else {
362 subForm = null;
363 }
364 return SKIP_BODY;
365 }
366
367 }
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