org.dspace.app.webui.jsptag

Class ControlledVocabularyTag

java.lang.Object

javax.servlet.jsp.tagext.TagSupport

org.dspace.app.webui.jsptag.ControlledVocabularyTag

All Implemented Interfaces:

Serializable, javax.servlet.jsp.tagext.IterationTag, javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.Tag

public class ControlledVocabularyTag
extends javax.servlet.jsp.tagext.TagSupport

A Tag to load and display controlled vocabularies

Version:

$Revision$

Author:

Miguel Ferreira

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
Map<String,Document>	controlledVocabularies

Fields inherited from class javax.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface javax.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor and Description
ControlledVocabularyTag()

Method Summary

Methods

Modifier and Type	Method and Description
int	doEndTag() End processing tag
int	doStartTag() Process tag
Document	filterVocabulary(Document vocabulary, String vocabularyPrunningXSLT, String filter) Applies a filter to the provided vocabulary, i.e.
String	getFilter() Gets the filter provided as parameter to the tag
String	getVocabulary() Gets the name of the vocabulary to be displayed
boolean	isAllowMultipleSelection() Returns the value of the multiple selection parameter
String	renderVocabularyAsHTML(Document vocabulary, String controlledVocabulary2HtmlXSLT, boolean allowMultipleSelection, String contextPath) Renders a taxonomy as HTML by applying a stylesheet.
void	setAllowMultipleSelection(boolean allowMultipleSelection) Defines if we want to be able to select multiple terms of the taxonomy
void	setFilter(String filter) Sets the filter
void	setVocabulary(String vocabulary) Sets the name of the vocabulary to be displayed.

Methods inherited from class javax.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

controlledVocabularies

public Map<String,Document> controlledVocabularies

Constructor Detail

ControlledVocabularyTag

public ControlledVocabularyTag()

Method Detail

doStartTag

public int doStartTag()
               throws javax.servlet.jsp.JspException

Process tag

Specified by:

doStartTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doStartTag in class javax.servlet.jsp.tagext.TagSupport

Throws:

javax.servlet.jsp.JspException

doEndTag

public int doEndTag()

End processing tag

Specified by:

doEndTag in interface javax.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class javax.servlet.jsp.tagext.TagSupport

renderVocabularyAsHTML

public String renderVocabularyAsHTML(Document vocabulary,
                            String controlledVocabulary2HtmlXSLT,
                            boolean allowMultipleSelection,
                            String contextPath)

Renders a taxonomy as HTML by applying a stylesheet.

Parameters:

vocabulary - The XML document representing a taxonomy

controlledVocabulary2HtmlXSLT - The filename of the stylesheet that converts the taxonomy to HTML

allowMultipleSelection - include checkboxes next to the taxonomy terms

contextPath - The context path

Returns:

the provided taxonomy as HTML.

filterVocabulary

public Document filterVocabulary(Document vocabulary,
                        String vocabularyPrunningXSLT,
                        String filter)

Applies a filter to the provided vocabulary, i.e. it prunes the tree by removing all the branches that do not contain the words in the filter.

Parameters:

vocabulary - The vocabulary to be trimmed

vocabularyPrunningXSLT - The filename of the stylesheet that trims the vocabulary

filter - The filter to be applied

Returns:

The trimmed vocabulary.

getFilter

public String getFilter()

Gets the filter provided as parameter to the tag

Returns:

the filter

setFilter

public void setFilter(String filter)

Sets the filter

Parameters:

filter - the filter

isAllowMultipleSelection

public boolean isAllowMultipleSelection()

Returns the value of the multiple selection parameter

Returns:

true if the multiple selection was selected

setAllowMultipleSelection

public void setAllowMultipleSelection(boolean allowMultipleSelection)

Defines if we want to be able to select multiple terms of the taxonomy

Parameters:

allowMultipleSelection - true if we want to be able to select more than on term

getVocabulary

public String getVocabulary()

Gets the name of the vocabulary to be displayed

Returns:

the name of the vocabulary

setVocabulary

public void setVocabulary(String vocabulary)

Sets the name of the vocabulary to be displayed. If no name is provided, all vocabularies loaded will be rendered to the output

Parameters:

vocabulary - the name of the vocabulary to be selected