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java.lang.Objectjavax.servlet.jsp.tagext.TagSupport
org.springframework.web.servlet.tags.RequestContextAwareTag
org.springframework.web.servlet.tags.HtmlEscapingAwareTag
org.springframework.web.servlet.tags.form.AbstractFormTag
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
org.springframework.web.servlet.tags.form.AbstractHtmlElementTag
org.springframework.web.servlet.tags.form.AbstractHtmlElementBodyTag
org.springframework.web.servlet.tags.form.OptionTag
public class OptionTag
JSP tag for rendering an HTML 'option' tag.
Must be used nested inside a SelectTag.
Provides full support for databinding by marking an
'option' as 'selected' if the value
matches the value bound to the out SelectTag.
The value property is required and corresponds to
the 'value' attribute of the rendered 'option'.
An optional label property can be specified, the
value of which corresponds to inner text of the rendered
'option' tag. If no label is specified
then the value property will be used when rendering
the inner text.
| Field Summary | |
|---|---|
static String |
DISPLAY_VALUE_VARIABLE_NAME
The name of the JSP variable used to expose the display value for this tag. |
static String |
VALUE_VARIABLE_NAME
The name of the JSP variable used to expose the value for this tag. |
| Fields inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag |
|---|
CLASS_ATTRIBUTE, DIR_ATTRIBUTE, LANG_ATTRIBUTE, ONCLICK_ATTRIBUTE, ONDBLCLICK_ATTRIBUTE, ONKEYDOWN_ATTRIBUTE, ONKEYPRESS_ATTRIBUTE, ONKEYUP_ATTRIBUTE, ONMOUSEDOWN_ATTRIBUTE, ONMOUSEMOVE_ATTRIBUTE, ONMOUSEOUT_ATTRIBUTE, ONMOUSEOVER_ATTRIBUTE, ONMOUSEUP_ATTRIBUTE, STYLE_ATTRIBUTE, TABINDEX_ATTRIBUTE, TITLE_ATTRIBUTE |
| Fields inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag |
|---|
COMMAND_NAME_VARIABLE_NAME, NESTED_PATH_VARIABLE_NAME |
| Fields inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag |
|---|
logger, REQUEST_CONTEXT_PAGE_ATTRIBUTE |
| Fields inherited from class javax.servlet.jsp.tagext.TagSupport |
|---|
pageContext |
| Fields inherited from interface javax.servlet.jsp.tagext.BodyTag |
|---|
EVAL_BODY_BUFFERED, EVAL_BODY_TAG |
| 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 | |
|---|---|
OptionTag()
|
|
| Method Summary | |
|---|---|
protected String |
autogenerateId()
Autogenerate the ' id' attribute value for this tag. |
protected void |
exposeAttributes()
Called during AbstractHtmlElementBodyTag.writeTagContent(org.springframework.web.servlet.tags.form.TagWriter) allowing subclasses to add any attributes to the
PageContext as needed. |
protected BindStatus |
getBindStatus()
Get the BindStatus for this tag. |
protected String |
getDisabled()
Get the value of the ' disabled' attribute. |
protected String |
getLabel()
Get the text body of the rendered HTML <option> tag. |
protected Object |
getValue()
Get the 'value' attribute of the rendered HTML <option> tag. |
protected boolean |
isDisabled()
Is the current HTML tag disabled? |
protected void |
onWriteTagContent()
Make sure we are under a ' select' tag before proceeding. |
protected void |
removeAttributes()
Called by AbstractHtmlElementBodyTag.doFinally() allowing subclasses to remove any attributes from the
PageContext as needed. |
protected void |
renderDefaultContent(TagWriter tagWriter)
|
protected void |
renderFromBodyContent(BodyContent bodyContent,
TagWriter tagWriter)
Render the tag contents based on the supplied BodyContent. |
void |
setDisabled(String disabled)
Set the value of the ' disabled' attribute. |
void |
setLabel(String label)
Set the text body of the rendered HTML <option> tag. |
void |
setValue(Object value)
Set the 'value' attribute of the rendered HTML <option> tag. |
| Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementBodyTag |
|---|
doEndTag, doFinally, doInitBody, flushBufferedBodyContent, setBodyContent, shouldRender, writeTagContent |
| Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag |
|---|
getCssClass, getCssErrorClass, getCssStyle, getDir, getDynamicAttributes, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, setDynamicAttribute, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle, writeDefaultAttributes, writeOptionalAttributes |
| Methods inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag |
|---|
convertToDisplayString, getBoundValue, getEditor, getId, getName, getNestedPath, getPath, getPropertyEditor, getPropertyPath, resolveId, setId, setPath |
| Methods inherited from class org.springframework.web.servlet.tags.form.AbstractFormTag |
|---|
createTagWriter, doStartTagInternal, evaluate, evaluateBoolean, getDisplayString, getDisplayString, isDefaultHtmlEscape, writeOptionalAttribute |
| Methods inherited from class org.springframework.web.servlet.tags.HtmlEscapingAwareTag |
|---|
isHtmlEscape, setHtmlEscape |
| Methods inherited from class org.springframework.web.servlet.tags.RequestContextAwareTag |
|---|
doCatch, doStartTag, getRequestContext |
| Methods inherited from class javax.servlet.jsp.tagext.TagSupport |
|---|
doAfterBody, findAncestorWithClass, getParent, getValue, getValues, release, removeValue, setPageContext, setParent, setValue |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Methods inherited from interface javax.servlet.jsp.tagext.BodyTag |
|---|
doInitBody, setBodyContent |
| Methods inherited from interface javax.servlet.jsp.tagext.IterationTag |
|---|
doAfterBody |
| Methods inherited from interface javax.servlet.jsp.tagext.Tag |
|---|
doEndTag, doStartTag, getParent, release, setPageContext, setParent |
| Field Detail |
|---|
public static final String VALUE_VARIABLE_NAME
public static final String DISPLAY_VALUE_VARIABLE_NAME
| Constructor Detail |
|---|
public OptionTag()
| Method Detail |
|---|
public void setValue(Object value)
<option> tag.
May be a runtime expression.
protected Object getValue()
<option> tag.
public void setDisabled(String disabled)
disabled' attribute.
May be a runtime expression.
disabled - the value of the 'disabled' attributeprotected String getDisabled()
disabled' attribute.
protected boolean isDisabled()
throws JspException
true if this tag is disabled
JspExceptionpublic void setLabel(String label)
<option> tag.
May be a runtime expression.
protected String getLabel()
<option> tag.
protected void renderDefaultContent(TagWriter tagWriter)
throws JspException
renderDefaultContent in class AbstractHtmlElementBodyTagJspException
protected void renderFromBodyContent(BodyContent bodyContent,
TagWriter tagWriter)
throws JspException
AbstractHtmlElementBodyTagBodyContent.
The default implementation simply flushes
the BodyContent directly to the output. Subclasses may choose to
override this to add additional content to the output.
renderFromBodyContent in class AbstractHtmlElementBodyTagJspExceptionprotected void onWriteTagContent()
select' tag before proceeding.
onWriteTagContent in class AbstractHtmlElementBodyTag
protected void exposeAttributes()
throws JspException
AbstractHtmlElementBodyTagAbstractHtmlElementBodyTag.writeTagContent(org.springframework.web.servlet.tags.form.TagWriter) allowing subclasses to add any attributes to the
PageContext as needed.
exposeAttributes in class AbstractHtmlElementBodyTagJspExceptionprotected BindStatus getBindStatus()
AbstractDataBoundFormElementTagBindStatus for this tag.
getBindStatus in class AbstractDataBoundFormElementTagprotected void removeAttributes()
AbstractHtmlElementBodyTagAbstractHtmlElementBodyTag.doFinally() allowing subclasses to remove any attributes from the
PageContext as needed.
removeAttributes in class AbstractHtmlElementBodyTag
protected String autogenerateId()
throws JspException
AbstractDataBoundFormElementTagid' attribute value for this tag.
The default implementation simply delegates to AbstractDataBoundFormElementTag.getName(),
deleting invalid characters (such as "[" or "]").
autogenerateId in class AbstractDataBoundFormElementTagJspException
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