Class ComboTag

java.lang.Object

jakarta.servlet.jsp.tagext.TagSupport

org.deltava.taglib.BrowserInfoTag

org.deltava.taglib.html.ElementTag

org.deltava.taglib.html.FormElementTag

org.deltava.taglib.html.ComboTag

All Implemented Interfaces:

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

public class ComboTag
extends FormElementTag

A JSP tag to support generating HTML combo/list boxes.

Since:

1.0

Version:

11.0

Author:

Luke

See Also:

• Serialized Form

Field Summary

Fields inherited from class FormElementTag

_value

Fields inherited from class ElementTag

_classes, _data, _out

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

id, pageContext

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

EVAL_BODY_AGAIN

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor	Description
ComboTag()	Create a new combo/listbox tag.

Method Summary

Modifier and Type	Method	Description
int	doEndTag()	Generates the combo/listbox by writing a >SELECT< tag, rendering all choices as >OPTION< elements, then writing a >/SELECT< tag.
void	release()
void	setFirstEntry(Object entry)	Allows an entry to be inserted before the rest of the options.
void	setMultiple(boolean allowMulti)	Marks this as a listbox (allowing multiple entries).
void	setOnChange(String js)	Sets the Javascript to execute when this element's value is changed.
void	setOnRightClick(String js)	Sets the Javascript to execute when the element is right-clicked.
void	setOptions(Collection<?> choices)	Sets the choices for this combo/listbox.
void	setPageContext(jakarta.servlet.jsp.PageContext ctxt)	Loads airport formatting preferences from the logged in user.
void	setSize(int size)	Sets the size of this combo/list box.
void	setValues(Collection<?> values)	Sets the value(s) of this combo/listbox.

Methods inherited from class FormElementTag

setDelimValues, setIdx, setName, setRequired, setValue, validateState

Methods inherited from class ElementTag

doStartTag, getFormIndexCount, getName, getParentFormTag, setClassName, setID, setNumericAttr, setStyle

Methods inherited from class BrowserInfoTag

getBrowserContext, passedCAPTCHA

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

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

Methods inherited from class Object

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

Constructor Details

ComboTag

public ComboTag()

Create a new combo/listbox tag.

Method Details

setPageContext

public void setPageContext(jakarta.servlet.jsp.PageContext ctxt)

Loads airport formatting preferences from the logged in user.

Specified by:

setPageContext in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

setPageContext in class ElementTag

doEndTag

public int doEndTag()
             throws jakarta.servlet.jsp.JspException

Generates the combo/listbox by writing a >SELECT< tag, rendering all choices as >OPTION< elements, then writing a >/SELECT< tag.

Specified by:

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

Overrides:

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

Throws:

jakarta.servlet.jsp.JspException - if an I/O error occurs

setValues

public void setValues(Collection<?> values)

Sets the value(s) of this combo/listbox.

Parameters:

values - a Collection of selected values

setSize

public void setSize(int size)

Sets the size of this combo/list box. This does nothing if a negative, zero or non-numeric value is passed.

Parameters:

size - the size of the combo/list box, in entries

See Also:

• ElementTag.setNumericAttr(String, int, int)

setOnChange

public void setOnChange(String js)

Sets the Javascript to execute when this element's value is changed.

Parameters:

js - the JavaScript code to execute

setOnRightClick

public void setOnRightClick(String js)

Sets the Javascript to execute when the element is right-clicked.

Parameters:

js - the JavaScript code to execute

setFirstEntry

public void setFirstEntry(Object entry)

Allows an entry to be inserted before the rest of the options.

Parameters:

entry - the first entry to insert

setMultiple

public void setMultiple(boolean allowMulti)

Marks this as a listbox (allowing multiple entries).

Parameters:

allowMulti - TRUE if enabled, otherwise FALSE

setOptions

public void setOptions(Collection<?> choices)

Sets the choices for this combo/listbox.

Parameters:

choices - a List of choices

release

public void release()

Specified by:

release in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

release in class ElementTag