Class HtmlButton

All Implemented Interfaces:
Serializable, Cloneable, DisabledElement, FormFieldWithNameHistory, LabelableElement, SubmittableElement, ValidatableElement, Element, Node

Wrapper for the HTML element "button".
See Also:
  • Field Details

  • Method Details

    • setValueAttribute

      public void setValueAttribute(String newValue)
      Sets the content of the value attribute.
      Parameters:
      newValue - the new content
    • doClickStateUpdate

      protected boolean doClickStateUpdate(boolean shiftKey, boolean ctrlKey) throws IOException
      This method implements the control state update part of the click action.

      The default implementation only calls doClickStateUpdate on parent's DomElement (if any). Subclasses requiring different behavior (like HtmlSubmitInput) will override this method.

      Overrides:
      doClickStateUpdate in class DomElement
      Parameters:
      shiftKey - true if SHIFT is pressed
      ctrlKey - true if CTRL is pressed
      Returns:
      true if doClickFireEvent method has to be called later on (to signal, that the value was changed)
      Throws:
      IOException - if an IO error occurs
    • isDisabled

      public final boolean isDisabled()
      Returns true if the disabled attribute is set for this element.
      Specified by:
      isDisabled in interface DisabledElement
      Returns:
      true if the disabled attribute is set for this element
    • isReadOnly

      public boolean isReadOnly()
      Returns true if this element is read only.
      Returns:
      true if this element is read only
    • getSubmitNameValuePairs

      public NameValuePair[] getSubmitNameValuePairs()

      Returns an array of NameValuePairs that are the values that will be sent back to the server whenever this element's containing form is submitted.

      THIS METHOD IS INTENDED FOR THE USE OF THE FRAMEWORK ONLY AND SHOULD NOT BE USED BY CONSUMERS OF HTMLUNIT. USE AT YOUR OWN RISK.

      Specified by:
      getSubmitNameValuePairs in interface SubmittableElement
      Returns:
      the values that will be sent back to the server whenever this element's containing form is submitted
    • reset

      public void reset()
      Returns the value of this element to the default value or checked state (usually what it was at the time the page was loaded, unless it has been modified via JavaScript).
      Specified by:
      reset in interface SubmittableElement
      See Also:
    • setDefaultValue

      public void setDefaultValue(String defaultValue)
      Sets the default value to use when this element gets reset, if applicable.
      Specified by:
      setDefaultValue in interface SubmittableElement
      Parameters:
      defaultValue - the default value to use when this element gets reset, if applicable
      See Also:
    • getDefaultValue

      public String getDefaultValue()
      Returns the default value to use when this element gets reset, if applicable.
      Specified by:
      getDefaultValue in interface SubmittableElement
      Returns:
      the default value to use when this element gets reset, if applicable
      See Also:
    • setDefaultChecked

      public void setDefaultChecked(boolean defaultChecked)
      Sets the default checked state to use when this element gets reset, if applicable. The default implementation is empty; only checkboxes and radio buttons really care what the default checked value is. This implementation is empty; only checkboxes and radio buttons really care what the default checked value is.
      Specified by:
      setDefaultChecked in interface SubmittableElement
      Parameters:
      defaultChecked - the default checked state to use when this element gets reset, if applicable
      See Also:
    • isDefaultChecked

      public boolean isDefaultChecked()
      Returns the default checked state to use when this element gets reset, if applicable. This implementation returns false; only checkboxes and radio buttons really care what the default checked value is.
      Specified by:
      isDefaultChecked in interface SubmittableElement
      Returns:
      the default checked state to use when this element gets reset, if applicable
      See Also:
    • handles

      public boolean handles(org.htmlunit.javascript.host.event.Event event)
      Indicates if the provided event can be applied to this node. Overwrite this.
      Overrides:
      handles in class HtmlElement
      Parameters:
      event - the event
      Returns:
      false if the event can't be applied
    • getNameAttribute

      public final String getNameAttribute()
      Returns the value of the attribute name. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute name or an empty string if that attribute isn't defined
    • getValueAttribute

      public final String getValueAttribute()
      Returns the value of the attribute value. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute value or an empty string if that attribute isn't defined
    • getTypeAttribute

      public final String getTypeAttribute()
      Returns the value of the attribute type. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute type or the default value if that attribute isn't defined
    • getType

      public String getType()
      Returns:
      the normalized type value (submit|reset|button).
    • getDisabledAttribute

      public final String getDisabledAttribute()
      Returns the value of the attribute disabled. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Specified by:
      getDisabledAttribute in interface DisabledElement
      Returns:
      the value of the attribute disabled or an empty string if that attribute isn't defined
    • getTabIndexAttribute

      public final String getTabIndexAttribute()
      Returns the value of the attribute tabindex. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute tabindex or an empty string if that attribute isn't defined
    • getAccessKeyAttribute

      public final String getAccessKeyAttribute()
      Returns the value of the attribute accesskey. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute accesskey or an empty string if that attribute isn't defined
    • getOnFocusAttribute

      public final String getOnFocusAttribute()
      Returns the value of the attribute onfocus. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute onfocus or an empty string if that attribute isn't defined
    • getOnBlurAttribute

      public final String getOnBlurAttribute()
      Returns the value of the attribute onblur. Refer to the HTML 4.01 documentation for details on the use of this attribute.
      Returns:
      the value of the attribute onblur or an empty string if that attribute isn't defined
    • setAttributeNS

      protected void setAttributeNS(String namespaceURI, String qualifiedName, String attributeValue, boolean notifyAttributeChangeListeners, boolean notifyMutationObservers)
      Sets the value of the attribute specified by namespace and qualified name.
      Overrides:
      setAttributeNS in class HtmlElement
      Parameters:
      namespaceURI - the URI that identifies an XML namespace
      qualifiedName - the qualified name (prefix:local) of the attribute
      attributeValue - the value of the attribute
      notifyAttributeChangeListeners - to notify the associated HtmlAttributeChangeListeners
      notifyMutationObservers - to notify MutationObservers or not
    • getOriginalName

      public String getOriginalName()
      Gets the first value of the name attribute of this field before any change.
      Specified by:
      getOriginalName in interface FormFieldWithNameHistory
      Returns:
      the original name (which is the same as the current one when no change has been made)
    • getNewNames

      public Collection<String> getNewNames()
      Get all the names this field got after the original one.
      Specified by:
      getNewNames in interface FormFieldWithNameHistory
      Returns:
      an empty collection if the name attribute has never been changed.
    • getDefaultStyleDisplay

      public HtmlElement.DisplayStyle getDefaultStyleDisplay()
      INTERNAL API - SUBJECT TO CHANGE AT ANY TIME - USE AT YOUR OWN RISK.
      Returns the default display style.
      Overrides:
      getDefaultStyleDisplay in class HtmlElement
      Returns:
      the default display style
    • isEmptyXmlTagExpanded

      protected boolean isEmptyXmlTagExpanded()
      Indicates if a node without children should be written in expanded form as XML (i.e. with closing tag rather than with "/>")
      Overrides:
      isEmptyXmlTagExpanded in class DomElement
      Returns:
      true to make generated XML readable as HTML.
    • isValid

      public boolean isValid()
      Returns whether this element satisfies all form validation constraints set.
      Overrides:
      isValid in class HtmlElement
      Returns:
      whether this element satisfies all form validation constraints set
    • willValidate

      public boolean willValidate()
      Specified by:
      willValidate in interface ValidatableElement
      Returns:
      whether the element is a candidate for constraint validation
    • setCustomValidity

      public void setCustomValidity(String message)
      Sets the custom validity message for the element to the specified message.
      Specified by:
      setCustomValidity in interface ValidatableElement
      Parameters:
      message - the new message
    • isCustomErrorValidityState

      public boolean isCustomErrorValidityState()
      Specified by:
      isCustomErrorValidityState in interface ValidatableElement
      Returns:
      a boolean value indicating whether the element's custom validity message has been set to a non-empty string by calling the element's setCustomValidity() method.
    • isValidValidityState

      public boolean isValidValidityState()
      Specified by:
      isValidValidityState in interface ValidatableElement
      Returns:
      true if the element meets all its validation constraints, and is therefore considered to be valid, or false if it fails any constraint. If true, the element matches the :valid CSS pseudo-class; the :invalid CSS pseudo-class otherwise.
    • isFormNoValidate

      public final boolean isFormNoValidate()
      Returns:
      the value of the attribute formnovalidate or an empty string if that attribute isn't defined
    • setFormNoValidate

      public final void setFormNoValidate(boolean noValidate)
      Sets the value of the attribute formnovalidate.
      Parameters:
      noValidate - the value of the attribute formnovalidate