AbstractHtmlInputElementTag (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.servlet.tags.form
Class AbstractHtmlInputElementTag

java.lang.Object
  javax.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.AbstractHtmlInputElementTag

All Implemented Interfaces:: Serializable, IterationTag, JspTag, Tag, TryCatchFinally

Direct Known Subclasses:: CheckboxTag, InputTag, RadioButtonTag, SelectTag, TextareaTag

public abstract class AbstractHtmlInputElementTag
extends AbstractHtmlElementTag
extends AbstractHtmlElementTag

Base class for databinding-aware JSP tags that render HTML form input element.

Provides a set of properties corresponding to the set of HTML attributes that are common across form input elements.

Since:: 2.0
Author:: Rob Harrop, Rick Evans, Juergen Hoeller
See Also:: Serialized Form

Field Summary

static String ACCESSKEY_ATTRIBUTE
          The name of the 'accesskey' attribute.

static String DISABLED_ATTRIBUTE
          The name of the 'disabled' attribute.

static String ONBLUR_ATTRIBUTE
          The name of the 'onblur' attribute.

static String ONCHANGE_ATTRIBUTE
          The name of the 'onchange' attribute.

static String ONFOCUS_ATTRIBUTE
          The name of the 'onfocus' attribute.

static String READONLY_ATTRIBUTE
          The name of the 'readonly' attribute.

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_ATTRIBUTE, COMMAND_NAME_VARIABLE_NAME, ID_ATTRIBUTE

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.IterationTag

EVAL_BODY_AGAIN

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

AbstractHtmlInputElementTag()


Method Summary

protected String getAccesskey()
          Get the value of the 'accesskey' attribute.

protected String getDisabled()
          Get the value of the 'disabled' attribute.

protected String getOnblur()
          Get the value of the 'onblur' attribute.

protected String getOnchange()
          Get the value of the 'onchange' attribute.

protected String getOnfocus()
          Get the value of the 'onfocus' attribute.

protected String getReadonly()
          Gets the value of the 'readonly' attribute.

protected boolean isDisabled()
          Is the current HTML tag disabled?

protected boolean isReadonly()
          Is the current HTML tag readonly?

void setAccesskey(String accesskey)
          Set the value of the 'accesskey' attribute.

void setDisabled(String disabled)
          Set the value of the 'disabled' attribute.

void setOnblur(String onblur)
          Set the value of the 'onblur' attribute.

void setOnchange(String onchange)
          Set the value of the 'onchange' attribute.

void setOnfocus(String onfocus)
          Set the value of the 'onfocus' attribute.

void setReadonly(String readonly)
          Sets the value of the 'readonly' attribute.

protected void writeDefaultAttributes(TagWriter tagWriter)
          Writes the default attributes configured via this base class to the supplied TagWriter.

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag

getCssClass, getCssErrorClass, getCssStyle, getDir, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag

autogenerateId, doFinally, getBindStatus, getBoundValue, getCompletePath, getId, getName, getNestedPath, getPath, getPropertyEditor, setId, setPath

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractFormTag

createTagWriter, doStartTagInternal, evaluate, getDisplayString, getDisplayString, writeOptionalAttribute, writeTagContent

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, doEndTag, 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

Field Summary
`static String`	`ACCESSKEY_ATTRIBUTE` The name of the '`accesskey`' attribute.
`static String`	`DISABLED_ATTRIBUTE` The name of the '`disabled`' attribute.
`static String`	`ONBLUR_ATTRIBUTE` The name of the '`onblur`' attribute.
`static String`	`ONCHANGE_ATTRIBUTE` The name of the '`onchange`' attribute.
`static String`	`ONFOCUS_ATTRIBUTE` The name of the '`onfocus`' attribute.
`static String`	`READONLY_ATTRIBUTE` The name of the '`readonly`' attribute.

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_ATTRIBUTE, COMMAND_NAME_VARIABLE_NAME, ID_ATTRIBUTE`

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.IterationTag
`EVAL_BODY_AGAIN`

Fields inherited from interface javax.servlet.jsp.tagext.Tag
`EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE`

Constructor Summary
`AbstractHtmlInputElementTag()`

Method Summary
`protected String`	`getAccesskey()` Get the value of the '`accesskey`' attribute.
`protected String`	`getDisabled()` Get the value of the '`disabled`' attribute.
`protected String`	`getOnblur()` Get the value of the '`onblur`' attribute.
`protected String`	`getOnchange()` Get the value of the '`onchange`' attribute.
`protected String`	`getOnfocus()` Get the value of the '`onfocus`' attribute.
`protected String`	`getReadonly()` Gets the value of the '`readonly`' attribute.
`protected boolean`	`isDisabled()` Is the current HTML tag disabled?
`protected boolean`	`isReadonly()` Is the current HTML tag readonly?
`void`	`setAccesskey(String accesskey)` Set the value of the '`accesskey`' attribute.
`void`	`setDisabled(String disabled)` Set the value of the '`disabled`' attribute.
`void`	`setOnblur(String onblur)` Set the value of the '`onblur`' attribute.
`void`	`setOnchange(String onchange)` Set the value of the '`onchange`' attribute.
`void`	`setOnfocus(String onfocus)` Set the value of the '`onfocus`' attribute.
`void`	`setReadonly(String readonly)` Sets the value of the '`readonly`' attribute.
`protected void`	`writeDefaultAttributes(TagWriter tagWriter)` Writes the default attributes configured via this base class to the supplied `TagWriter`.

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractHtmlElementTag
`getCssClass, getCssErrorClass, getCssStyle, getDir, getLang, getOnclick, getOndblclick, getOnkeydown, getOnkeypress, getOnkeyup, getOnmousedown, getOnmousemove, getOnmouseout, getOnmouseover, getOnmouseup, getTabindex, getTitle, resolveCssClass, setCssClass, setCssErrorClass, setCssStyle, setDir, setLang, setOnclick, setOndblclick, setOnkeydown, setOnkeypress, setOnkeyup, setOnmousedown, setOnmousemove, setOnmouseout, setOnmouseover, setOnmouseup, setTabindex, setTitle`

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag
`autogenerateId, doFinally, getBindStatus, getBoundValue, getCompletePath, getId, getName, getNestedPath, getPath, getPropertyEditor, setId, setPath`

Methods inherited from class org.springframework.web.servlet.tags.form.AbstractFormTag
`createTagWriter, doStartTagInternal, evaluate, getDisplayString, getDisplayString, writeOptionalAttribute, writeTagContent`

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, doEndTag, 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`

Field Detail

ONFOCUS_ATTRIBUTE

public static final String ONFOCUS_ATTRIBUTE

The name of the 'onfocus' attribute.

See Also:: Constant Field Values

ONBLUR_ATTRIBUTE

public static final String ONBLUR_ATTRIBUTE

The name of the 'onblur' attribute.

See Also:: Constant Field Values

ONCHANGE_ATTRIBUTE

public static final String ONCHANGE_ATTRIBUTE

The name of the 'onchange' attribute.

See Also:: Constant Field Values

ACCESSKEY_ATTRIBUTE

public static final String ACCESSKEY_ATTRIBUTE

The name of the 'accesskey' attribute.

See Also:: Constant Field Values

DISABLED_ATTRIBUTE

public static final String DISABLED_ATTRIBUTE

The name of the 'disabled' attribute.

See Also:: Constant Field Values

READONLY_ATTRIBUTE

public static final String READONLY_ATTRIBUTE

The name of the 'readonly' attribute.

See Also:: Constant Field Values

Constructor Detail

AbstractHtmlInputElementTag

public AbstractHtmlInputElementTag()

Method Detail

setOnfocus

public void setOnfocus(String onfocus)

Set the value of the 'onfocus' attribute. May be a runtime expression.

getOnfocus

protected String getOnfocus()

Get the value of the 'onfocus' attribute.

setOnblur

public void setOnblur(String onblur)

Set the value of the 'onblur' attribute. May be a runtime expression.

getOnblur

protected String getOnblur()

Get the value of the 'onblur' attribute.

setOnchange

public void setOnchange(String onchange)

Set the value of the 'onchange' attribute. May be a runtime expression.

getOnchange

protected String getOnchange()

Get the value of the 'onchange' attribute.

setAccesskey

public void setAccesskey(String accesskey)

Set the value of the 'accesskey' attribute. May be a runtime expression.

getAccesskey

protected String getAccesskey()

Get the value of the 'accesskey' attribute.

setDisabled

public void setDisabled(String disabled)

Set the value of the 'disabled' attribute. May be a runtime expression.

getDisabled

protected String getDisabled()

Get the value of the 'disabled' attribute.

setReadonly

public void setReadonly(String readonly)

Sets the value of the 'readonly' attribute. May be a runtime expression.

See Also:: isReadonly()

getReadonly

protected String getReadonly()

Gets the value of the 'readonly' attribute. May be a runtime expression.

See Also:: isReadonly()

writeDefaultAttributes

protected void writeDefaultAttributes(TagWriter tagWriter)
                               throws JspException

Writes the default attributes configured via this base class to the supplied TagWriter. Subclasses should call this when they want the base attribute set to be written to the output.

Overrides:: writeDefaultAttributes in class AbstractHtmlElementTag

Parameters:: tagWriter - the TagWriter to which any attributes are to be written
Throws:: JspException

isDisabled

protected boolean isDisabled()
                      throws JspException

Is the current HTML tag disabled?

Throws:: JspException

isReadonly

protected boolean isReadonly()
                      throws JspException

Is the current HTML tag readonly?

Note: some AbstractHtmlInputElementTag subclasses (such a those for checkboxes and radiobuttons) may contain readonly attributes, but are not affected by them since their values don't change (only their status does.)

Throws:: JspException