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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
com.ecyrd.jspwiki.tags.WikiTagBase
com.ecyrd.jspwiki.tags.BreadcrumbsTag
public class BreadcrumbsTag
Implement a "breadcrumb" (most recently visited) trail. This tag can be added to any view jsp page.
Separate breadcrumb trails are not tracked across multiple browser windows.
The optional attributes are:
maxpages, the number of pages to store, 10 by default
separator, the separator string to use between pages, " | " by default
This class is implemented by storing a breadcrumb trail, which is a fixed size queue, into a session variable "breadCrumbTrail". This queue is displayed as a series of links separated by a separator character.
| Nested Class Summary | |
|---|---|
static class |
BreadcrumbsTag.FixedQueue
Extends the LinkedList class to provide a fixed-size queue implementation |
| Field Summary | |
|---|---|
static String |
BREADCRUMBTRAIL_KEY
The name of the session attribute representing the breadcrumbtrail |
| Fields inherited from class com.ecyrd.jspwiki.tags.WikiTagBase |
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ATTR_CONTEXT, m_wikiContext |
| Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
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id, pageContext |
| Fields inherited from interface javax.servlet.jsp.tagext.IterationTag |
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EVAL_BODY_AGAIN |
| Fields inherited from interface javax.servlet.jsp.tagext.Tag |
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EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE |
| Constructor Summary | |
|---|---|
BreadcrumbsTag()
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| Method Summary | |
|---|---|
int |
doWikiStartTag()
This method is allowed to do pretty much whatever he wants. |
int |
getMaxpages()
Returns the maxpages. |
String |
getSeparator()
Get the separator string. |
void |
initTag()
This method is called when the tag is encountered within a new request, but before the setXXX() methods are called. |
void |
setMaxpages(int maxpages)
Sets how many pages to show. |
void |
setSeparator(String separator)
Set the separator string. |
| Methods inherited from class com.ecyrd.jspwiki.tags.WikiTagBase |
|---|
doCatch, doEndTag, doFinally, doStartTag, setId, setPageContext |
| Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
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doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setParent, setValue |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
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public static final String BREADCRUMBTRAIL_KEY
| Constructor Detail |
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public BreadcrumbsTag()
| Method Detail |
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public void initTag()
initTag in class WikiTagBasepublic int getMaxpages()
public void setMaxpages(int maxpages)
maxpages - The amount.public String getSeparator()
public void setSeparator(String separator)
separator - A string which separates the page names.
public int doWikiStartTag()
throws IOException
doWikiStartTag in class WikiTagBaseIOException
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