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    Combobox Representation

     

    « Accessibility XForms Support Page

    Introduction

    There are two presentations for XForms select1 elements that are represented by combobox widget. XHTML implementation of select1 element has usual combobox representation you can find below. XUL implementation assumes select1 element is actually container that holds XUL menulist element.

    Combobox

    Summary

    Allows the user to choose a single value from a list of pre-defined values. This representation is used for minimal appearance select1 (see the doc).

    Exposed interfaces

    Accessibility properties

    nsIAccessible

    • role - ROLE_COMBOBOX
    • name - formed from value of underlying XForms label element
    • description - formed from value of underlying XForms hint element
    • state - formed from states of instance node that XForms element is bound to
    • value - value of bound node that is formed from value of child selected item element

    Accessible children

    Note: if select1 element has attribute selection="open" then textfield is editable.

    Listitem

    Summary

    This representation is used for xforms item element that is child element of minimal appearance select1 element. Such select1 element is represented by combobox.

    Exposed interfaces

    Accessibility properties

    nsIAccessible

    • role - ROLE_LISTITEM
    • name - formed from value of underlying XForms label element
    • description - formed from value of underlying XForms hint element
    • state - STATE_SELECTABLE, STATE_SELECTED
    • value - formed from value of underlying XForms value element

    Accessible children

    Any accessible elements that are child elements of element that this representation is used for.

    Grouping

    Summary

    This representation is used for XForms choices element. XForms choices element is used to group visually XForms item elements.

    Exposed interfaces

    Accessibility properties

    nsIAccessible

    • role - ROLE_GROUPING
    • name - formed from value of underlying XForms label element
    • description - formed from value of underlying XForms hint element
    • value - there's no value

    Accessible children

    Document Tags and Contributors

    Contributors to this page: Sheppy, Fredchat, Surkov.alexander
    Last updated by: Fredchat,