Class SelectElement


  • @TagName("select")
    public class SelectElement
    extends Element
    The select element allows the selection of an option. The contained options can be directly accessed through the select element as a collection.
    See Also:
    W3C HTML Specification
    • Constructor Detail

      • SelectElement

        protected SelectElement()
    • Method Detail

      • as

        public static SelectElement as​(Element elem)
        Assert that the given Element is compatible with this class and automatically typecast it.
      • is

        public static boolean is​(JavaScriptObject o)
        Determines whether the given JavaScriptObject can be cast to this class. A null object will cause this method to return false.
      • is

        public static boolean is​(Node node)
        Determine whether the given Node can be cast to this class. A null node will cause this method to return false.
      • is

        public static boolean is​(Element elem)
        Determine whether the given Element can be cast to this class. A null node will cause this method to return false.
      • add

        public final void add​(OptionElement option,
                              OptionElement before)
        Add a new element to the collection of OPTION elements for this SELECT. This method is the equivalent of the appendChild method of the Node interface if the before parameter is null. It is equivalent to the insertBefore method on the parent of before in all other cases. This method may have no effect if the new element is not an OPTION or an OPTGROUP.
        Parameters:
        option - The element to add
        before - The element to insert before, or null for the tail of the list
      • clear

        public final void clear()
        Removes all OPTION elements from this SELECT.
      • getDisabled

        @Deprecated
        public final java.lang.String getDisabled()
        Deprecated.
        use isDisabled() instead.
        The control is unavailable in this context.
        See Also:
        W3C HTML Specification
      • getForm

        public final FormElement getForm()
        Returns the FORM element containing this control. Returns null if this control is not within the context of a form.
      • getLength

        public final int getLength()
        The number of options in this SELECT.
      • getMultiple

        public final java.lang.String getMultiple()
        If true, multiple OPTION elements may be selected in this SELECT.
        See Also:
        W3C HTML Specification
      • getName

        public final java.lang.String getName()
        Form control or object name when submitted with a form.
        See Also:
        W3C HTML Specification
      • getOptions

        public final NodeList<OptionElement> getOptions()
        The collection of OPTION elements contained by this element.
      • getSelectedIndex

        public final int getSelectedIndex()
        The ordinal index of the selected option, starting from 0. The value -1 is returned if no element is selected. If multiple options are selected, the index of the first selected option is returned.
      • getType

        public final java.lang.String getType()
        The type of this form control. This is the string "select-multiple" when the multiple attribute is true and the string "select-one" when false.
      • getValue

        public final java.lang.String getValue()
        The current form control value (i.e., the value of the currently selected option), if multiple options are selected this is the value of the first selected option.
      • isDisabled

        public final boolean isDisabled()
        The control is unavailable in this context.
        See Also:
        W3C HTML Specification
      • isMultiple

        public final boolean isMultiple()
        If true, multiple OPTION elements may be selected in this SELECT.
        See Also:
        W3C HTML Specification
      • remove

        public final void remove​(int index)
        Remove an element from the collection of OPTION elements for this SELECT. Does nothing if no element has the given index.
        Parameters:
        index - The index of the item to remove, starting from 0.
      • setDisabled

        public final void setDisabled​(boolean disabled)
        The control is unavailable in this context.
        See Also:
        W3C HTML Specification
      • setDisabled

        public final void setDisabled​(java.lang.String disabled)
        The control is unavailable in this context.
        See Also:
        W3C HTML Specification
      • setMultiple

        public final void setMultiple​(boolean multiple)
        If true, multiple OPTION elements may be selected in this SELECT.
        See Also:
        W3C HTML Specification
      • setName

        public final void setName​(java.lang.String name)
        Form control or object name when submitted with a form.
        See Also:
        W3C HTML Specification
      • setSelectedIndex

        public final void setSelectedIndex​(int index)
        The ordinal index of the selected option, starting from 0. The value -1 is returned if no element is selected. If multiple options are selected, the index of the first selected option is returned.
      • setType

        public final void setType​(java.lang.String type)
        The type of this form control. This is the string "select-multiple" when the multiple attribute is true and the string "select-one" when false.
      • setValue

        public final void setValue​(java.lang.String value)
        The current form control value (i.e., the value of the currently selected option), if multiple options are selected this is the value of the first selected option.