Objective Html - Signals Available

Author Keith Wong, keithwong@optushome.com.au

Last updated: 19th Jan 2002

This is a quick list of the signals provided by each HtmlWidget.

HtmlCheckBox

• selectionChanged(boolean) - if the object is checked or unchecked
• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlFileInput

• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlForm

• beforeUpdateData(HttpServletRequest) - is emitted just before the form objects are updated with the submitted data
• afterUpdateData(HttpServletRequest) - is emitted just after the form objects are updated with the submitted data

HtmlHiddenInput

• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlListBox

• optionSelected(String) - if an option item is selected
• optionSelected(int) - if an option item is selected
• selectionChanged(String[],String[]) - if the selected option items have changed
• selectionChanged(int[],int[]) - if the selected option items have changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlPushButton

• clicked() - if the object is clicked directly or via the proxy object
• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlRadioButton

• selectionChanged(boolean) - if the object is checked or unchecked
• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlTextArea

• textChanged(String,String) - if the text is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received

HtmlTextBox

• valueChanged(String,String) - if the object "value" attribute is changed
• dataSubmitted(String) - if submitted data for this object is received
• dataSubmitted(String[]) - if submitted data for this object is received