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1
20
21 package com.methodhead.shim;
22
23 import java.util.HashMap  ;
24 import java.util.List ;
25 import java.util.Map ;
26 import java.io.IOException ;
27
28 import com.methodhead.persistable.Persistable;
29 import com.methodhead.persistable.PersistableException;
30
31 import org.apache.commons.beanutils.DynaClass;
32 import org.apache.commons.beanutils.DynaProperty;
33 import org.apache.commons.beanutils.BasicDynaClass;
34 import javax.servlet.http.HttpServletRequest ;
35 import javax.servlet.http.HttpServletResponse ;
36 import javax.servlet.jsp.JspWriter ;
37 import org.apache.struts.action.ActionMapping;
38 import org.apache.struts.action.DynaActionForm;
39 import org.apache.struts.action.ActionForward;
40 import javax.servlet.RequestDispatcher ;
41 import javax.servlet.ServletException ;
42 import com.methodhead.sitecontext.SiteContext;
43 import org.apache.commons.lang.StringUtils;
44 import org.apache.commons.lang.exception.ExceptionUtils;
45
46
66 public class NavModule
67 extends
68 Persistable
69 implements
70 Module {
71
72 protected static DynaClass dynaClass_ = null;
73
74 static {
75 DynaProperty[] dynaProperties =
76 new DynaProperty[] {
77 new DynaProperty( "sitecontext_id", Integer .class ),
78 new DynaProperty( "template", String .class ),
79 new DynaProperty( "panel", String .class ),
80 new DynaProperty( "hideroot", Boolean .class ),
81 new DynaProperty( "type", String .class ),
82 new DynaProperty( "separator", String .class ),
83 new DynaProperty( "jsp", String .class ),
84 new DynaProperty( "startlev", Integer .class ),
85 new DynaProperty( "contextlev", Integer .class ),
86 new DynaProperty( "depthlev", Integer .class ),
87 new DynaProperty( "toplev", Integer .class ),
88 new DynaProperty( "header", String .class ),
89 new DynaProperty( "link", String .class ),
90 new DynaProperty( "curlink", String .class ),
91 new DynaProperty( "footer", String .class )
92 };
93
94 dynaClass_ =
95 new BasicDynaClass(
96 "shim_nav", NavModule.class, dynaProperties );
97 }
98
99
101 public NavModule() {
102 super( dynaClass_ );
103 init();
104 }
105
106 public NavModule(
107 DynaClass dynaClass ) {
108 super( dynaClass );
109 init();
110 }
111
112
114 public static final String TYPE_TEXTSEPARATED = "TEXTSEPARATED";
115 public static final String TYPE_JSP = "JSP";
116 public static final String TYPE_FOLDING = "FOLDING";
117
118 public static final String DEFAULT_TYPE = TYPE_TEXTSEPARATED;
119 public static final String DEFAULT_SEPARATOR = " | ";
120
121
123
125 private void init() {
126 setInt( "sitecontext_id", 0 );
127 setString( "template", "" );
128 setString( "panel", "" );
129 setBoolean( "hideroot", false );
130 setString( "type", "" );
131 setString( "separator", "" );
132 setString( "jsp", "" );
133 setInt( "startlev", 1 );
134 setInt( "contextlev", 1 );
135 setInt( "depthlev", 1 );
136 setInt( "toplev", 1 );
137 setString( "header", "" );
138 setString( "link", "" );
139 setString( "curlink", "" );
140 setString( "footer", "" );
141 }
142
143
147 public void load() {
148 load(
149 "sitecontext_id=" + getInt( "sitecontext_id" ) +
150 " AND template=" + getSqlLiteral( getString( "template" ) ) +
151 " AND panel=" + getSqlLiteral( getString( "panel" ) ) );
152 }
153
154
158 public void save() {
159 save(
160 "sitecontext_id=" + getInt( "sitecontext_id" ) +
161 " AND template=" + getSqlLiteral( getString( "template" ) ) +
162 " AND panel=" + getSqlLiteral( getString( "panel" ) ) );
163 }
164
165 public String getName() {
166 return "Navigation";
167 }
168
169 public void init(
170 Page page,
171 String panel ) {
172
173 setInt( "sitecontext_id", page.getSiteContext().getInt( "id" ) );
174 setString( "template", page.getString( "template" ) );
175 setString( "panel", panel );
176
177 siteContextPath_ = page.getSiteContext().getString( "path" );
181 }
182
183 public void create() {
184 try {
188 load();
189 }
190 catch ( PersistableException e ) {
191 setString( "type", DEFAULT_TYPE );
195 setString( "separator", DEFAULT_SEPARATOR );
196 saveNew();
197 }
198 }
199
200 public void destroy() {
201 }
205
206
211 protected void renderTextSeparatedLink(
212 JspWriter out,
213 Link link,
214 Link cur,
215 boolean isEditMode )
216 throws IOException {
217
218 String s = null;
219
220 if ( link.isRoot() ) {
221 if ( cur == link )
222 s = getString( "curlink" );
223 else
224 s = getString( "link" );
225 }
226 else {
227 if ( cur.isNodeAncestor( link ) )
228 s = getString( "curlink" );
229 else
230 s = getString( "link" );
231 }
232
233 String url = ShimUtils.getLinkUrl( link );
234
235 if ( "".equals( s ) ) {
236 out.print( "<a HREF=\"" + url + "\">" + link.getTitle() + "</a>" );
237 }
238 else {
239 s = StringUtils.replace(
240 s, FoldingNavRenderer.URL_KEY, url );
241 s = StringUtils.replace(
242 s, FoldingNavRenderer.TITLE_KEY, link.getTitle() );
243 }
244
245 out.print( s );
246 }
247
248 public void display(
249 HttpServletRequest request,
250 HttpServletResponse response,
251 JspWriter out )
252 throws
253 IOException {
254
255 load();
259
260 Page curPage = ( Page )request.getAttribute( ShimGlobals.PAGE_KEY );
264 SiteMap siteMap = ShimUtils.getSiteMap( request );
265 Link root = ( Link )siteMap.getRoot();
266 Link cur = siteMap.find( curPage.getInt( "id" ) );
267 boolean isEditMode =
268 ShimGlobals.MODE_EDIT.equals(
269 request.getSession().getAttribute( ShimGlobals.MODE_KEY ) );
270
271 if ( TYPE_TEXTSEPARATED.equals( getString( "type" ) ) ) {
275 try {
276 if ( root != null ) {
277
278 out.print( getString( "header" ) );
279
280 boolean linkRendered = false;
285
286 if ( !getBoolean( "hideroot" ) && !root.getHidden() ) {
290 renderTextSeparatedLink( out, root, cur, isEditMode );
291 linkRendered = true;
292 }
293
294 for ( int i = 0; i < root.getChildCount(); i++ ) {
298 Link link = ( Link )root.getChildAt( i );
299
300 if ( !link.getHidden() ) {
301
302 if ( linkRendered ) {
303 out.print( getString( "separator" ) );
304 }
305
306 renderTextSeparatedLink( out, link, cur, isEditMode );
307 linkRendered = true;
308 }
309 }
310
311 out.print( getString( "footer" ) );
312 }
313 }
314 catch ( IOException e ) {
315 throw new ShimException( "Unexpected IOException while printing nav." );
316 }
317 }
318
319 else if ( TYPE_JSP.equals( getString( "type" ) ) ) {
323 try {
324 request.setAttribute( ShimGlobals.CURRENTLINK_KEY, cur );
328
329 SiteContext siteContext = SiteContext.getContext( request );
333
334 out.flush();
335
336 RequestDispatcher dispatcher =
337 request.getSession().getServletContext().getRequestDispatcher(
338 "/WEB-INF/resources/" + siteContext.getInt( "id" ) + "/" +
339 getString( "jsp" ) );
340
341 dispatcher.include( request, response );
342 }
343 catch ( ServletException e ) {
344 out.println( ExceptionUtils.getStackTrace( e ) );
345 }
346 }
347
348 else if ( TYPE_FOLDING.equals( getString( "type" ) ) ) {
352 try {
353 FoldingNavRenderer renderer = new FoldingNavRenderer();
354 renderer.setRoot( root );
355 renderer.setCur( cur );
356 renderer.setStart( getInt( "startlev" ) );
357 renderer.setContext( getInt( "contextlev" ) );
358 renderer.setDepth( getInt( "depthlev" ) );
359 renderer.setTop( getInt( "toplev" ) );
360 renderer.setHeader( getString( "header" ) );
361 renderer.setLink( getString( "link" ) );
362 renderer.setCurLink( getString( "curlink" ) );
363 renderer.setFooter( getString( "footer" ) );
364 renderer.setIsEditMode(
365 ShimGlobals.MODE_EDIT.equals(
366 request.getSession().getAttribute( ShimGlobals.MODE_KEY ) ) );
367
368 out.println( renderer.getNavHtml() );
369 }
370 catch ( IOException e ) {
371 throw new ShimException( "Unexpected IOException while printing nav." );
372 }
373 }
374 else {
375 throw new ShimException(
376 "Unexpected nav type \"" + getString( "type" ) + "\"." );
377 }
378 }
379
380 public boolean isConfigurable() {
381 return true;
382 }
383
384 public ActionForward configure(
385 ActionMapping mapping,
386 DynaActionForm form,
387 HttpServletRequest request,
388 HttpServletResponse response ) {
389
390 return new ActionForward(
391 "/configureNavModuleForm.do?pageid=" + form.get( "pageid" ) +
392 "&panel=" + form.get( "panel" ) );
393 }
394
395 public boolean isEditable() {
396 return false;
397 }
398
399
402 public void update(
403 String text ) {
404 }
405
406 public void copyTo(
407 Page page ) {
408 }
414
415
417
419 private String siteContextPath_ = null;
420 }
421 |
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