Package com.google.gwt.dom.client

Class SelectElement

java.lang.Object

com.google.gwt.core.client.JavaScriptObject

com.google.gwt.dom.client.Node

com.google.gwt.dom.client.Element

com.google.gwt.dom.client.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

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TAG

Fields inherited from class com.google.gwt.dom.client.Element

DRAGGABLE_AUTO, DRAGGABLE_FALSE, DRAGGABLE_TRUE

Fields inherited from class com.google.gwt.dom.client.Node

DOCUMENT_NODE, ELEMENT_NODE, TEXT_NODE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SelectElement()

Method Summary

Modifier and Type	Method	Description
final void	add(OptionElement option, OptionElement before)	Add a new element to the collection of OPTION elements for this SELECT.
static SelectElement	as(Element elem)	Assert that the given Element is compatible with this class and automatically typecast it.
final void	clear()	Removes all OPTION elements from this SELECT.
final String	getDisabled()	Deprecated. use isDisabled() instead.
final FormElement	getForm()	Returns the FORM element containing this control.
final int	getLength()	The number of options in this SELECT.
final String	getMultiple()	If true, multiple OPTION elements may be selected in this SELECT.
final String	getName()	Form control or object name when submitted with a form.
final NodeList<OptionElement>	getOptions()	The collection of OPTION elements contained by this element.
final int	getSelectedIndex()	The ordinal index of the selected option, starting from 0.
final int	getSize()	Number of visible rows.
final String	getType()	The type of this form control.
final 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.
static boolean	is(JavaScriptObject o)	Determines whether the given JavaScriptObject can be cast to this class.
static boolean	is(Element elem)	Determine whether the given Element can be cast to this class.
static boolean	is(Node node)	Determine whether the given Node can be cast to this class.
final boolean	isDisabled()	The control is unavailable in this context.
final boolean	isMultiple()	If true, multiple OPTION elements may be selected in this SELECT.
final void	remove(int index)	Remove an element from the collection of OPTION elements for this SELECT.
final void	setDisabled(boolean disabled)	The control is unavailable in this context.
final void	setDisabled(String disabled)	The control is unavailable in this context.
final void	setMultiple(boolean multiple)	If true, multiple OPTION elements may be selected in this SELECT.
final void	setName(String name)	Form control or object name when submitted with a form.
final void	setSelectedIndex(int index)	The ordinal index of the selected option, starting from 0.
final void	setSize(int size)	Number of visible rows.
final void	setType(String type)	The type of this form control.
final void	setValue(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.

Methods inherited from class com.google.gwt.dom.client.Element

addClassName, as, as, blur, dispatchEvent, focus, getAbsoluteBottom, getAbsoluteLeft, getAbsoluteRight, getAbsoluteTop, getAttribute, getClassName, getClientHeight, getClientWidth, getDir, getDraggable, getElementsByTagName, getFirstChildElement, getId, getInnerHTML, getInnerText, getLang, getNextSiblingElement, getOffsetHeight, getOffsetLeft, getOffsetParent, getOffsetTop, getOffsetWidth, getPreviousSiblingElement, getPropertyBoolean, getPropertyDouble, getPropertyInt, getPropertyJSO, getPropertyObject, getPropertyString, getScrollHeight, getScrollLeft, getScrollTop, getScrollWidth, getString, getStyle, getTabIndex, getTagName, getTitle, hasAttribute, hasClassName, hasTagName, indexOfName, removeAttribute, removeClassName, replaceClassName, scrollIntoView, setAttribute, setClassName, setDir, setDraggable, setId, setInnerHTML, setInnerSafeHtml, setInnerText, setLang, setPropertyBoolean, setPropertyDouble, setPropertyInt, setPropertyJSO, setPropertyObject, setPropertyString, setScrollLeft, setScrollTop, setTabIndex, setTitle, toggleClassName

Methods inherited from class com.google.gwt.dom.client.Node

appendChild, cloneNode, getChild, getChildCount, getChildNodes, getFirstChild, getLastChild, getNextSibling, getNodeName, getNodeType, getNodeValue, getOwnerDocument, getParentElement, getParentNode, getPreviousSibling, hasChildNodes, hasParentElement, insertAfter, insertBefore, insertFirst, isOrHasChild, removeAllChildren, removeChild, removeFromParent, replaceChild, setNodeValue

Methods inherited from class com.google.gwt.core.client.JavaScriptObject

cast, createArray, createArray, createFunction, createObject, equals, hashCode, toSource, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

TAG

public static final String TAG

See Also:

• Constant Field Values

Constructor Details

SelectElement

protected SelectElement()

Method Details

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 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 String getMultiple()

If true, multiple OPTION elements may be selected in this SELECT.

See Also:

• W3C HTML Specification

getName

public final 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.

getSize

public final int getSize()

Number of visible rows.

See Also:

• W3C HTML Specification

getType

public final 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 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(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(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.

setSize

public final void setSize(int size)

Number of visible rows.

See Also:

• W3C HTML Specification

setType

public final void setType(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(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.