Class DOM
- java.lang.Object
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- com.google.gwt.user.client.DOM
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public class DOM extends java.lang.Object
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Field Summary
Fields Modifier and Type Field Description (package private) static com.google.gwt.user.client.impl.DOMImpl
impl
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Constructor Summary
Constructors Constructor Description DOM()
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Method Summary
All Methods Static Methods Concrete Methods Deprecated Methods Modifier and Type Method Description static void
addEventPreview(EventPreview preview)
Deprecated.static void
appendChild(Element parent, Element child)
Appends one element to another's list of children.static Element
asOld(Element elem)
static Element
clone(Element elem, boolean deep)
Clones an element.static boolean
compare(Element elem1, Element elem2)
Deprecated.Use identity comparison.static Element
createAnchor()
Creates an HTML A element.static Element
createButton()
Creates an HTML BUTTON element.static Element
createCaption()
Creates an HTML CAPTION element.static Element
createCol()
Creates an HTML COL element.static Element
createColGroup()
Creates an HTML COLGROUP element.static Element
createDiv()
Creates an HTML DIV element.static Element
createElement(java.lang.String tagName)
Creates an HTML element.static Element
createFieldSet()
Creates an HTML FIELDSET element.static Element
createForm()
Creates an HTML FORM element.static Element
createIFrame()
Creates an HTML IFRAME element.static Element
createImg()
Creates an HTML IMG element.static Element
createInputCheck()
Creates an HTML INPUT type='CHECK' element.static Element
createInputPassword()
Creates an HTML INPUT type='PASSWORD' element.static Element
createInputRadio(java.lang.String name)
Creates an HTML INPUT type='RADIO' element.static Element
createInputText()
Creates an HTML INPUT type='TEXT' element.static Element
createLabel()
Creates an HTML LABEL element.static Element
createLegend()
Creates an HTML LEGEND element.static Element
createOption()
Creates an HTML OPTION element.static Element
createOptions()
Deprecated.there is no "options" element; usecreateOption()
insteadstatic Element
createSelect()
Creates a single-selection HTML SELECT element.static Element
createSelect(boolean multiple)
Creates an HTML SELECT element.static Element
createSpan()
Creates an HTML SPAN element.static Element
createTable()
Creates an HTML TABLE element.static Element
createTBody()
Creates an HTML TBODY element.static Element
createTD()
Creates an HTML TD element.static Element
createTextArea()
Creates an HTML TEXTAREA element.static Element
createTFoot()
Creates an HTML TFOOT element.static Element
createTH()
Creates an HTML TH element.static Element
createTHead()
Creates an HTML THEAD element.static Element
createTR()
Creates an HTML TR element.static java.lang.String
createUniqueId()
Generates a unique DOM id.static boolean
dispatchEvent(Event evt, Element elem)
This method is a similar todispatchEvent(Event, Element, EventListener)
but only dispatches if an event listener is set to element.static void
dispatchEvent(Event evt, Element elem, EventListener listener)
This method is called directly by native code when any event is fired.static void
eventCancelBubble(Event evt, boolean cancel)
Cancels bubbling for the given event.static boolean
eventGetAltKey(Event evt)
Deprecated.UseNativeEvent.getAltKey()
instead.static int
eventGetButton(Event evt)
Deprecated.UseNativeEvent.getButton()
instead.static int
eventGetClientX(Event evt)
Deprecated.UseNativeEvent.getClientX()
instead.static int
eventGetClientY(Event evt)
Deprecated.UseNativeEvent.getClientY()
instead.static boolean
eventGetCtrlKey(Event evt)
Deprecated.UseNativeEvent.getCtrlKey()
instead.static Event
eventGetCurrentEvent()
Gets the current event that is being fired.static Element
eventGetCurrentTarget(Event evt)
Gets the current target element of the given event.static Element
eventGetFromElement(Event evt)
Gets the element from which the mouse pointer was moved (valid forEvent.ONMOUSEOVER
andEvent.ONMOUSEOUT
).static int
eventGetKeyCode(Event evt)
Deprecated.UseNativeEvent.getKeyCode()
instead.static boolean
eventGetMetaKey(Event evt)
Deprecated.UseNativeEvent.getMetaKey()
instead.static int
eventGetMouseWheelVelocityY(Event evt)
Deprecated.UseNativeEvent.getMouseWheelVelocityY()
instead.static boolean
eventGetRepeat(Event evt)
Deprecated.not supported in any browser but IEstatic int
eventGetScreenX(Event evt)
Deprecated.UseNativeEvent.getScreenX()
instead.static int
eventGetScreenY(Event evt)
Deprecated.UseNativeEvent.getScreenY()
instead.static boolean
eventGetShiftKey(Event evt)
Deprecated.UseNativeEvent.getShiftKey()
instead.static Element
eventGetTarget(Event evt)
Returns the element that was the actual target of the given event.static Element
eventGetToElement(Event evt)
Gets the element to which the mouse pointer was moved (only valid forEvent.ONMOUSEOUT
andEvent.ONMOUSEOVER
).static int
eventGetType(Event evt)
Gets the enumerated type of this event (as defined inEvent
).static java.lang.String
eventGetTypeString(Event evt)
Deprecated.UseNativeEvent.getType()
instead.static void
eventPreventDefault(Event evt)
Deprecated.UseNativeEvent.preventDefault()
instead.static void
eventSetKeyCode(Event evt, char key)
Deprecated.this method only works in IE and should not have been added to the APIstatic java.lang.String
eventToString(Event evt)
Deprecated.UseNativeEvent.getString()
instead.static int
getAbsoluteLeft(Element elem)
Deprecated.UseElement.getAbsoluteLeft()
instead.static int
getAbsoluteTop(Element elem)
Deprecated.UseElement.getAbsoluteTop()
instead.static java.lang.String
getAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyString(String)
instead.static boolean
getBooleanAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyBoolean(String)
instead.static Element
getCaptureElement()
Gets the element that currently has mouse capture.static Element
getChild(Element parent, int index)
Gets an element's n-th child element.static int
getChildCount(Element parent)
Gets the number of child elements present in a given parent element.static int
getChildIndex(Element parent, Element child)
Gets the index of a given child element within its parent.static java.lang.String
getElementAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.getAttribute(String)
instead.static Element
getElementById(java.lang.String id)
Gets the element associated with the given unique id within the entire document.static java.lang.String
getElementProperty(Element elem, java.lang.String prop)
Deprecated.UseElement#getProperty(String)
instead.static boolean
getElementPropertyBoolean(Element elem, java.lang.String prop)
Deprecated.UseElement.getPropertyBoolean(String)
instead.static int
getElementPropertyInt(Element elem, java.lang.String prop)
Deprecated.UseElement.getPropertyInt(String)
instead.static EventListener
getEventListener(Element elem)
Gets theEventListener
that will receive events for the given element.static int
getEventsSunk(Element elem)
Gets the current set of events sunk by a given element.static Element
getFirstChild(Element elem)
Gets the first child element of the given element.static java.lang.String
getImgSrc(Element img)
Gets the src attribute of an img element.static java.lang.String
getInnerHTML(Element elem)
Deprecated.UseElement.getInnerHTML()
instead.static java.lang.String
getInnerText(Element elem)
Deprecated.UseElement.getInnerText()
instead.static int
getIntAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyInt(String)
instead.static int
getIntStyleAttribute(Element elem, java.lang.String attr)
Gets an integer attribute on a given element's style.static Element
getNextSibling(Element elem)
Gets an element's next sibling element.static Element
getParent(Element elem)
Gets an element's parent element.static java.lang.String
getStyleAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.getStyle()
andStyle#getProperty(String)
instead.static void
insertBefore(Element parent, Element child, Element before)
Inserts an element as a child of the given parent element, before another child of that parent.static void
insertChild(Element parent, Element child, int index)
Inserts an element as a child of the given parent element.static void
insertListItem(Element selectElem, java.lang.String item, java.lang.String value, int index)
Creates an<option>
element and inserts it as a child of the specified<select>
element.static boolean
isOrHasChild(Element parent, Element child)
Deprecated.UseElement#isOrHasChild(Element)
instead.(package private) static void
maybeInitializeEventSystem()
Initialize the event system if it has not already been initialized.static boolean
previewEvent(Event evt)
This method is called directly by native code when event preview is being used.static void
releaseCapture(Element elem)
Releases mouse/touch/gesture capture on the given element.static void
removeChild(Element parent, Element child)
Deprecated.UseElement#removeChild(Element)
instead.static void
removeElementAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.removeAttribute(String)
instead.static void
removeEventPreview(EventPreview preview)
Deprecated.useHandlerRegistration
returned fromEvent.addNativePreviewHandler(Event.NativePreviewHandler)
static void
scrollIntoView(Element elem)
Deprecated.UseElement.scrollIntoView()
instead.static void
setAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.Use the more appropriately namedElement.setPropertyString(String, String)
instead.static void
setBooleanAttribute(Element elem, java.lang.String attr, boolean value)
Deprecated.Use the more appropriately namedElement.setPropertyBoolean(String, boolean)
instead.static void
setCapture(Element elem)
Sets mouse/touch/gesture capture on the given element.static void
setElementAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.UseElement.setAttribute(String, String)
instead.static void
setElementProperty(Element elem, java.lang.String prop, java.lang.String value)
Deprecated.UseElement.setPropertyString(String, String)
instead.static void
setElementPropertyBoolean(Element elem, java.lang.String prop, boolean value)
Deprecated.UseElement.setPropertyBoolean(String, boolean)
instead.static void
setElementPropertyInt(Element elem, java.lang.String prop, int value)
Deprecated.UseElement.setPropertyInt(String, int)
instead.static void
setEventListener(Element elem, EventListener listener)
Sets theEventListener
to receive events for the given element.static void
setImgSrc(Element img, java.lang.String src)
Sets the src attribute of an img element.static void
setInnerHTML(Element elem, java.lang.String html)
Deprecated.UseElement.setInnerHTML(String)
instead.static void
setInnerText(Element elem, java.lang.String text)
Deprecated.UseElement.setInnerText(String)
instead.static void
setIntAttribute(Element elem, java.lang.String attr, int value)
Deprecated.Use the more appropriately namedElement.setPropertyInt(String, int)
instead.static void
setIntStyleAttribute(Element elem, java.lang.String attr, int value)
Sets an integer attribute on the given element's style.static void
setOptionText(Element select, java.lang.String text, int index)
Sets the option text of the given select object.static void
setStyleAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.UseElement.getStyle()
andStyle#setProperty(String, String)
instead.static void
sinkBitlessEvent(Element elem, java.lang.String eventTypeName)
Sinks a named event.static void
sinkEvents(Element elem, int eventBits)
Sets the current set of events sunk by a given element.static java.lang.String
toString(Element elem)
Deprecated.UseElement.getString()
instead.static int
windowGetClientHeight()
Deprecated.As of GWT 1.5, replaced byWindow.getClientHeight()
static int
windowGetClientWidth()
Deprecated.As of GWT 1.5, replaced byWindow.getClientWidth()
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Method Detail
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addEventPreview
@Deprecated public static void addEventPreview(EventPreview preview)
Deprecated.Adds an event preview to the preview stack. As long as this preview remains on the top of the stack, it will receive all events before they are fired to their listeners. Note that the event preview will receive all events, including those received due to bubbling, whereas normal event handlers only receive explicitly sunk events.- Parameters:
preview
- the event preview to be added to the stack.
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appendChild
public static void appendChild(Element parent, Element child)
Appends one element to another's list of children.If the child element is a
PotentialElement
, it is first resolved.- Parameters:
parent
- the parent elementchild
- its new child- See Also:
PotentialElement.resolve(Element)
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clone
public static Element clone(Element elem, boolean deep)
Clones an element.- Parameters:
elem
- the element to be cloneddeep
- should children be cloned as well?
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compare
@Deprecated public static boolean compare(Element elem1, Element elem2)
Deprecated.Use identity comparison.Compares two elements for equality. Note that this method is now deprecated because reference identity accurately reports equality.- Parameters:
elem1
- the first element to be comparedelem2
- the second element to be compared- Returns:
true
if they are in fact the same element
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createAnchor
public static Element createAnchor()
Creates an HTML A element.- Returns:
- the newly-created element
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createButton
public static Element createButton()
Creates an HTML BUTTON element.- Returns:
- the newly-created element
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createCaption
public static Element createCaption()
Creates an HTML CAPTION element.- Returns:
- the newly-created element
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createCol
public static Element createCol()
Creates an HTML COL element.- Returns:
- the newly-created element
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createColGroup
public static Element createColGroup()
Creates an HTML COLGROUP element.- Returns:
- the newly-created element
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createDiv
public static Element createDiv()
Creates an HTML DIV element.- Returns:
- the newly-created element
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createElement
public static Element createElement(java.lang.String tagName)
Creates an HTML element.- Parameters:
tagName
- the HTML tag of the element to be created- Returns:
- the newly-created element
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createFieldSet
public static Element createFieldSet()
Creates an HTML FIELDSET element.- Returns:
- the newly-created element
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createForm
public static Element createForm()
Creates an HTML FORM element.- Returns:
- the newly-created element
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createIFrame
public static Element createIFrame()
Creates an HTML IFRAME element.- Returns:
- the newly-created element
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createImg
public static Element createImg()
Creates an HTML IMG element.- Returns:
- the newly-created element
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createInputCheck
public static Element createInputCheck()
Creates an HTML INPUT type='CHECK' element.- Returns:
- the newly-created element
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createInputPassword
public static Element createInputPassword()
Creates an HTML INPUT type='PASSWORD' element.- Returns:
- the newly-created element
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createInputRadio
public static Element createInputRadio(java.lang.String name)
Creates an HTML INPUT type='RADIO' element.- Parameters:
name
- the name of the group with which this radio button will be associated- Returns:
- the newly-created element
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createInputText
public static Element createInputText()
Creates an HTML INPUT type='TEXT' element.- Returns:
- the newly-created element
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createLabel
public static Element createLabel()
Creates an HTML LABEL element.- Returns:
- the newly-created element
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createLegend
public static Element createLegend()
Creates an HTML LEGEND element.- Returns:
- the newly-created element
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createOption
public static Element createOption()
Creates an HTML OPTION element.- Returns:
- the newly-created element
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createOptions
@Deprecated public static Element createOptions()
Deprecated.there is no "options" element; usecreateOption()
insteadCreates an HTML OPTIONS element.- Returns:
- the newly-created element
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createSelect
public static Element createSelect()
Creates a single-selection HTML SELECT element. Equivalent tocreateSelect(false)
- Returns:
- the newly-created element
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createSelect
public static Element createSelect(boolean multiple)
Creates an HTML SELECT element.- Parameters:
multiple
- true if multiple selection of options is allowed- Returns:
- the newly-created element
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createSpan
public static Element createSpan()
Creates an HTML SPAN element.- Returns:
- the newly-created element
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createTable
public static Element createTable()
Creates an HTML TABLE element.- Returns:
- the newly-created element
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createTBody
public static Element createTBody()
Creates an HTML TBODY element.- Returns:
- the newly-created element
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createTD
public static Element createTD()
Creates an HTML TD element.- Returns:
- the newly-created element
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createTextArea
public static Element createTextArea()
Creates an HTML TEXTAREA element.- Returns:
- the newly-created element
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createTFoot
public static Element createTFoot()
Creates an HTML TFOOT element.- Returns:
- the newly-created element
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createTH
public static Element createTH()
Creates an HTML TH element.- Returns:
- the newly-created element
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createTHead
public static Element createTHead()
Creates an HTML THEAD element.- Returns:
- the newly-created element
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createTR
public static Element createTR()
Creates an HTML TR element.- Returns:
- the newly-created element
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createUniqueId
public static java.lang.String createUniqueId()
Generates a unique DOM id. The id is of the form "gwt-id-". - Returns:
- a unique DOM id
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eventCancelBubble
public static void eventCancelBubble(Event evt, boolean cancel)
Cancels bubbling for the given event. This will stop the event from being propagated to parent elements.- Parameters:
evt
- the event on which to cancel bubblingcancel
-true
to cancel bubbling
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eventGetAltKey
@Deprecated public static boolean eventGetAltKey(Event evt)
Deprecated.UseNativeEvent.getAltKey()
instead.Gets whether the ALT key was depressed when the given event occurred.- Parameters:
evt
- the event to be tested- Returns:
true
if ALT was depressed when the event occurred
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eventGetButton
@Deprecated public static int eventGetButton(Event evt)
Deprecated.UseNativeEvent.getButton()
instead.Gets the mouse buttons that were depressed when the given event occurred.- Parameters:
evt
- the event to be tested- Returns:
- a bit-field, defined by
NativeEvent.BUTTON_LEFT
,NativeEvent.BUTTON_MIDDLE
, andNativeEvent.BUTTON_RIGHT
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eventGetClientX
@Deprecated public static int eventGetClientX(Event evt)
Deprecated.UseNativeEvent.getClientX()
instead.Gets the mouse x-position within the browser window's client area.- Parameters:
evt
- the event to be tested- Returns:
- the mouse x-position
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eventGetClientY
@Deprecated public static int eventGetClientY(Event evt)
Deprecated.UseNativeEvent.getClientY()
instead.Gets the mouse y-position within the browser window's client area.- Parameters:
evt
- the event to be tested- Returns:
- the mouse y-position
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eventGetCtrlKey
@Deprecated public static boolean eventGetCtrlKey(Event evt)
Deprecated.UseNativeEvent.getCtrlKey()
instead.Gets whether the CTRL key was depressed when the given event occurred.- Parameters:
evt
- the event to be tested- Returns:
true
if CTRL was depressed when the event occurred
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eventGetCurrentEvent
public static Event eventGetCurrentEvent()
Gets the current event that is being fired. The current event is only available within the lifetime of the onBrowserEvent function. Once the onBrowserEvent method returns, the current event is reset to null.- Returns:
- the current event
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eventGetCurrentTarget
public static Element eventGetCurrentTarget(Event evt)
Gets the current target element of the given event. This is the element whose listener fired last, not the element which fired the event initially.- Parameters:
evt
- the event- Returns:
- the event's current target element
- See Also:
eventGetTarget(Event)
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eventGetFromElement
public static Element eventGetFromElement(Event evt)
Gets the element from which the mouse pointer was moved (valid forEvent.ONMOUSEOVER
andEvent.ONMOUSEOUT
).- Parameters:
evt
- the event to be tested- Returns:
- the element from which the mouse pointer was moved
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eventGetKeyCode
@Deprecated public static int eventGetKeyCode(Event evt)
Deprecated.UseNativeEvent.getKeyCode()
instead.Gets the key code associated with this event.For
Event.ONKEYPRESS
, this method returns the Unicode value of the character generated. ForEvent.ONKEYDOWN
andEvent.ONKEYUP
, it returns the code associated with the physical key.- Parameters:
evt
- the event to be tested- Returns:
- the Unicode character or key code.
- See Also:
KeyboardListener
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eventGetMetaKey
@Deprecated public static boolean eventGetMetaKey(Event evt)
Deprecated.UseNativeEvent.getMetaKey()
instead.Gets whether the META key was depressed when the given event occurred.- Parameters:
evt
- the event to be tested- Returns:
true
if META was depressed when the event occurred
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eventGetMouseWheelVelocityY
@Deprecated public static int eventGetMouseWheelVelocityY(Event evt)
Deprecated.UseNativeEvent.getMouseWheelVelocityY()
instead.Gets the velocity of the mouse wheel associated with the event along the Y axis.The velocity of the event is an artificial measurement for relative comparisons of wheel activity. It is affected by some non-browser factors, including choice of input hardware and mouse acceleration settings. The sign of the velocity measurement agrees with the screen coordinate system; negative values are towards the origin and positive values are away from the origin. Standard scrolling speed is approximately ten units per event.
- Parameters:
evt
- the event to be examined.- Returns:
- The velocity of the mouse wheel.
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eventGetRepeat
@Deprecated public static boolean eventGetRepeat(Event evt)
Deprecated.not supported in any browser but IEGets the key-repeat state of this event. Only IE supports this attribute.- Parameters:
evt
- the event to be tested- Returns:
true
if this key event was an auto-repeat
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eventGetScreenX
@Deprecated public static int eventGetScreenX(Event evt)
Deprecated.UseNativeEvent.getScreenX()
instead.Gets the mouse x-position on the user's display.- Parameters:
evt
- the event to be tested- Returns:
- the mouse x-position
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eventGetScreenY
@Deprecated public static int eventGetScreenY(Event evt)
Deprecated.UseNativeEvent.getScreenY()
instead.Gets the mouse y-position on the user's display.- Parameters:
evt
- the event to be tested- Returns:
- the mouse y-position
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eventGetShiftKey
@Deprecated public static boolean eventGetShiftKey(Event evt)
Deprecated.UseNativeEvent.getShiftKey()
instead.Gets whether the shift key was depressed when the given event occurred.- Parameters:
evt
- the event to be tested- Returns:
true
if shift was depressed when the event occurred
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eventGetTarget
public static Element eventGetTarget(Event evt)
Returns the element that was the actual target of the given event.- Parameters:
evt
- the event to be tested- Returns:
- the target element
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eventGetToElement
public static Element eventGetToElement(Event evt)
Gets the element to which the mouse pointer was moved (only valid forEvent.ONMOUSEOUT
andEvent.ONMOUSEOVER
).- Parameters:
evt
- the event to be tested- Returns:
- the element to which the mouse pointer was moved
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eventGetType
public static int eventGetType(Event evt)
Gets the enumerated type of this event (as defined inEvent
).- Parameters:
evt
- the event to be tested- Returns:
- the event's enumerated type, or -1 if not defined
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eventGetTypeString
@Deprecated public static java.lang.String eventGetTypeString(Event evt)
Deprecated.UseNativeEvent.getType()
instead.Gets the type of the given event as a string.- Parameters:
evt
- the event to be tested- Returns:
- the event's type name
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eventPreventDefault
@Deprecated public static void eventPreventDefault(Event evt)
Deprecated.UseNativeEvent.preventDefault()
instead.Prevents the browser from taking its default action for the given event.- Parameters:
evt
- the event whose default action is to be prevented
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eventSetKeyCode
@Deprecated public static void eventSetKeyCode(Event evt, char key)
Deprecated.this method only works in IE and should not have been added to the APISets the key code associated with the given keyboard event.- Parameters:
evt
- the event whose key code is to be setkey
- the new key code
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eventToString
@Deprecated public static java.lang.String eventToString(Event evt)
Deprecated.UseNativeEvent.getString()
instead.Returns a stringized version of the event. This string is for debugging purposes and will NOT be consistent on different browsers.- Parameters:
evt
- the event to stringize- Returns:
- a string form of the event
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getAbsoluteLeft
@Deprecated public static int getAbsoluteLeft(Element elem)
Deprecated.UseElement.getAbsoluteLeft()
instead.Gets an element's absolute left coordinate in the document's coordinate system.- Parameters:
elem
- the element to be measured- Returns:
- the element's absolute left coordinate
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getAbsoluteTop
@Deprecated public static int getAbsoluteTop(Element elem)
Deprecated.UseElement.getAbsoluteTop()
instead.Gets an element's absolute top coordinate in the document's coordinate system.- Parameters:
elem
- the element to be measured- Returns:
- the element's absolute top coordinate
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getAttribute
@Deprecated public static java.lang.String getAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyString(String)
instead.Gets any named property from an element, as a string.- Parameters:
elem
- the element whose property is to be retrievedattr
- the name of the property- Returns:
- the property's value
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getBooleanAttribute
@Deprecated public static boolean getBooleanAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyBoolean(String)
instead.Gets a boolean property on the given element.- Parameters:
elem
- the element whose property is to be setattr
- the name of the property to be set- Returns:
- the property's value as a boolean
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getCaptureElement
public static Element getCaptureElement()
Gets the element that currently has mouse capture.- Returns:
- a handle to the capture element, or
null
if none exists
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getChild
public static Element getChild(Element parent, int index)
Gets an element's n-th child element.- Parameters:
parent
- the element whose child is to be retrievedindex
- the index of the child element- Returns:
- the n-th child element
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getChildCount
public static int getChildCount(Element parent)
Gets the number of child elements present in a given parent element.- Parameters:
parent
- the element whose children are to be counted- Returns:
- the number of children
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getChildIndex
public static int getChildIndex(Element parent, Element child)
Gets the index of a given child element within its parent.- Parameters:
parent
- the parent elementchild
- the child element- Returns:
- the child's index within its parent, or
-1
if it is not a child of the given parent
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getElementAttribute
@Deprecated public static java.lang.String getElementAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.getAttribute(String)
instead.Gets the named attribute from the element.- Parameters:
elem
- the element whose property is to be retrievedattr
- the name of the attribute- Returns:
- the value of the attribute
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getElementById
public static Element getElementById(java.lang.String id)
Gets the element associated with the given unique id within the entire document.- Parameters:
id
- the id whose associated element is to be retrieved- Returns:
- the associated element, or
null
if none is found
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getElementProperty
@Deprecated public static java.lang.String getElementProperty(Element elem, java.lang.String prop)
Deprecated.UseElement#getProperty(String)
instead.Gets any named property from an element, as a string.- Parameters:
elem
- the element whose property is to be retrievedprop
- the name of the property- Returns:
- the property's value
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getElementPropertyBoolean
@Deprecated public static boolean getElementPropertyBoolean(Element elem, java.lang.String prop)
Deprecated.UseElement.getPropertyBoolean(String)
instead.Gets any named property from an element, as a boolean.- Parameters:
elem
- the element whose property is to be retrievedprop
- the name of the property- Returns:
- the property's value as a boolean
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getElementPropertyInt
@Deprecated public static int getElementPropertyInt(Element elem, java.lang.String prop)
Deprecated.UseElement.getPropertyInt(String)
instead.Gets any named property from an element, as an int.- Parameters:
elem
- the element whose property is to be retrievedprop
- the name of the property- Returns:
- the property's value as an int
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getEventListener
public static EventListener getEventListener(Element elem)
Gets theEventListener
that will receive events for the given element. Only one such listener may exist for a single element.- Parameters:
elem
- the element whose listener is to be set- Returns:
- the element's event listener
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getEventsSunk
public static int getEventsSunk(Element elem)
Gets the current set of events sunk by a given element.- Parameters:
elem
- the element whose events are to be retrieved- Returns:
- a bitfield describing the events sunk on this element (its possible
values are described in
Event
)
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getFirstChild
public static Element getFirstChild(Element elem)
Gets the first child element of the given element.- Parameters:
elem
- the element whose child is to be retrieved- Returns:
- the child element
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getImgSrc
public static java.lang.String getImgSrc(Element img)
Gets the src attribute of an img element. This method is paired withsetImgSrc(Element, String)
so that it always returns the correct url.- Parameters:
img
- a non-null img whose src attribute is to be read.- Returns:
- the src url of the img
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getInnerHTML
@Deprecated public static java.lang.String getInnerHTML(Element elem)
Deprecated.UseElement.getInnerHTML()
instead.Gets an HTML representation of an element's children.- Parameters:
elem
- the element whose HTML is to be retrieved- Returns:
- the HTML representation of the element's children
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getInnerText
@Deprecated public static java.lang.String getInnerText(Element elem)
Deprecated.UseElement.getInnerText()
instead.Gets the text contained within an element. If the element has child elements, only the text between them will be retrieved.- Parameters:
elem
- the element whose inner text is to be retrieved- Returns:
- the text inside this element
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getIntAttribute
@Deprecated public static int getIntAttribute(Element elem, java.lang.String attr)
Deprecated.Use the more appropriately namedElement.getPropertyInt(String)
instead.Gets an integer property on a given element.- Parameters:
elem
- the element whose property is to be retrievedattr
- the name of the property to be retrieved- Returns:
- the property's value as an integer
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getIntStyleAttribute
public static int getIntStyleAttribute(Element elem, java.lang.String attr)
Gets an integer attribute on a given element's style.- Parameters:
elem
- the element whose style attribute is to be retrievedattr
- the name of the attribute to be retrieved- Returns:
- the style attribute's value as an integer
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getNextSibling
public static Element getNextSibling(Element elem)
Gets an element's next sibling element.- Parameters:
elem
- the element whose sibling is to be retrieved- Returns:
- the sibling element
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getParent
public static Element getParent(Element elem)
Gets an element's parent element.- Parameters:
elem
- the element whose parent is to be retrieved- Returns:
- the parent element
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getStyleAttribute
@Deprecated public static java.lang.String getStyleAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.getStyle()
andStyle#getProperty(String)
instead.Gets an attribute of the given element's style.- Parameters:
elem
- the element whose style attribute is to be retrievedattr
- the name of the style attribute to be retrieved- Returns:
- the style attribute's value
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insertBefore
public static void insertBefore(Element parent, Element child, Element before)
Inserts an element as a child of the given parent element, before another child of that parent.If the child element is a
PotentialElement
, it is first resolved.- Parameters:
parent
- the parent elementchild
- the child element to add toparent
before
- an existing child element ofparent
before whichchild
will be inserted- See Also:
PotentialElement.resolve(Element)
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insertChild
public static void insertChild(Element parent, Element child, int index)
Inserts an element as a child of the given parent element.If the child element is a
PotentialElement
, it is first resolved.- Parameters:
parent
- the parent elementchild
- the child element to add toparent
index
- the index before which the child will be inserted (any value greater than the number of existing children will cause the child to be appended)- See Also:
PotentialElement.resolve(Element)
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insertListItem
public static void insertListItem(Element selectElem, java.lang.String item, java.lang.String value, int index)
Creates an<option>
element and inserts it as a child of the specified<select>
element. If the index is less than zero, or greater than or equal to the length of the list, then the option element will be appended to the end of the list.- Parameters:
selectElem
- the<select>
elementitem
- the text of the new item; cannot benull
value
- thevalue
attribute for the new<option>
; cannot benull
index
- the index at which to insert the child
-
isOrHasChild
@Deprecated public static boolean isOrHasChild(Element parent, Element child)
Deprecated.UseElement#isOrHasChild(Element)
instead.Determine whether one element is equal to, or the child of, another.- Parameters:
parent
- the potential parent elementchild
- the potential child element- Returns:
true
if the relationship holds
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releaseCapture
public static void releaseCapture(Element elem)
Releases mouse/touch/gesture capture on the given element. Calling this method has no effect if the element does not currently have mouse/touch/gesture capture.- Parameters:
elem
- the element to release capture- See Also:
setCapture(Element)
-
removeChild
@Deprecated public static void removeChild(Element parent, Element child)
Deprecated.UseElement#removeChild(Element)
instead.Removes a child element from the given parent element.- Parameters:
parent
- the parent elementchild
- the child element to be removed
-
removeElementAttribute
@Deprecated public static void removeElementAttribute(Element elem, java.lang.String attr)
Deprecated.UseElement.removeAttribute(String)
instead.Removes the named attribute from the given element.- Parameters:
elem
- the element whose attribute is to be removedattr
- the name of the element to remove
-
removeEventPreview
@Deprecated public static void removeEventPreview(EventPreview preview)
Deprecated.useHandlerRegistration
returned fromEvent.addNativePreviewHandler(Event.NativePreviewHandler)
Removes an element from the preview stack. This element will no longer capture events, though any preview underneath it will begin to do so.- Parameters:
preview
- the event preview to be removed from the stack
-
scrollIntoView
@Deprecated public static void scrollIntoView(Element elem)
Deprecated.UseElement.scrollIntoView()
instead.Scrolls the given element into view.This method crawls up the DOM hierarchy, adjusting the scrollLeft and scrollTop properties of each scrollable element to ensure that the specified element is completely in view. It adjusts each scroll position by the minimum amount necessary.
- Parameters:
elem
- the element to be made visible
-
setAttribute
@Deprecated public static void setAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.Use the more appropriately namedElement.setPropertyString(String, String)
instead.Sets a property on the given element.- Parameters:
elem
- the element whose property is to be setattr
- the name of the property to be setvalue
- the new property value
-
setBooleanAttribute
@Deprecated public static void setBooleanAttribute(Element elem, java.lang.String attr, boolean value)
Deprecated.Use the more appropriately namedElement.setPropertyBoolean(String, boolean)
instead.Sets a boolean property on the given element.- Parameters:
elem
- the element whose property is to be setattr
- the name of the property to be setvalue
- the property's new boolean value
-
setCapture
public static void setCapture(Element elem)
Sets mouse/touch/gesture capture on the given element. This element will directly receive all mouse events untilreleaseCapture(Element)
is called on it.- Parameters:
elem
- the element on which to set mouse/touch/gesture capture
-
setElementAttribute
@Deprecated public static void setElementAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.UseElement.setAttribute(String, String)
instead.Sets an attribute on a given element.- Parameters:
elem
- element whose attribute is to be setattr
- the name of the attributevalue
- the value to which the attribute should be set
-
setElementProperty
@Deprecated public static void setElementProperty(Element elem, java.lang.String prop, java.lang.String value)
Deprecated.UseElement.setPropertyString(String, String)
instead.Sets a property on the given element.- Parameters:
elem
- the element whose property is to be setprop
- the name of the property to be setvalue
- the new property value
-
setElementPropertyBoolean
@Deprecated public static void setElementPropertyBoolean(Element elem, java.lang.String prop, boolean value)
Deprecated.UseElement.setPropertyBoolean(String, boolean)
instead.Sets a boolean property on the given element.- Parameters:
elem
- the element whose property is to be setprop
- the name of the property to be setvalue
- the new property value as a boolean
-
setElementPropertyInt
@Deprecated public static void setElementPropertyInt(Element elem, java.lang.String prop, int value)
Deprecated.UseElement.setPropertyInt(String, int)
instead.Sets an int property on the given element.- Parameters:
elem
- the element whose property is to be setprop
- the name of the property to be setvalue
- the new property value as an int
-
setEventListener
public static void setEventListener(Element elem, EventListener listener)
Sets theEventListener
to receive events for the given element. Only one such listener may exist for a single element.- Parameters:
elem
- the element whose listener is to be setlistener
- the listener to receiveevents
-
setImgSrc
public static void setImgSrc(Element img, java.lang.String src)
Sets the src attribute of an img element. This method ensures that imgs only ever have their contents requested one single time from the server.- Parameters:
img
- a non-null img whose src attribute will be set.src
- a non-null url for the img
-
setInnerHTML
@Deprecated public static void setInnerHTML(Element elem, java.lang.String html)
Deprecated.UseElement.setInnerHTML(String)
instead.Sets the HTML contained within an element.- Parameters:
elem
- the element whose inner HTML is to be sethtml
- the new html
-
setInnerText
@Deprecated public static void setInnerText(Element elem, java.lang.String text)
Deprecated.UseElement.setInnerText(String)
instead.Sets the text contained within an element. If the element already has children, they will be destroyed.- Parameters:
elem
- the element whose inner text is to be settext
- the new text
-
setIntAttribute
@Deprecated public static void setIntAttribute(Element elem, java.lang.String attr, int value)
Deprecated.Use the more appropriately namedElement.setPropertyInt(String, int)
instead.Sets an integer property on the given element.- Parameters:
elem
- the element whose property is to be setattr
- the name of the property to be setvalue
- the property's new integer value
-
setIntStyleAttribute
public static void setIntStyleAttribute(Element elem, java.lang.String attr, int value)
Sets an integer attribute on the given element's style.- Parameters:
elem
- the element whose style attribute is to be setattr
- the name of the style attribute to be setvalue
- the style attribute's new integer value
-
setOptionText
public static void setOptionText(Element select, java.lang.String text, int index)
Sets the option text of the given select object.- Parameters:
select
- the select object whose option text is being settext
- the text to setindex
- the index of the option whose text should be set
-
setStyleAttribute
@Deprecated public static void setStyleAttribute(Element elem, java.lang.String attr, java.lang.String value)
Deprecated.UseElement.getStyle()
andStyle#setProperty(String, String)
instead.Sets an attribute on the given element's style.- Parameters:
elem
- the element whose style attribute is to be setattr
- the name of the style attribute to be setvalue
- the style attribute's new value
-
sinkBitlessEvent
public static void sinkBitlessEvent(Element elem, java.lang.String eventTypeName)
Sinks a named event. Events will be fired to the nearestEventListener
specified on any of the element's parents.- Parameters:
elem
- the element whose events are to be retrievedeventTypeName
- name of the event to sink on this element
-
sinkEvents
public static void sinkEvents(Element elem, int eventBits)
Sets the current set of events sunk by a given element. These events will be fired to the nearestEventListener
specified on any of the element's parents.- Parameters:
elem
- the element whose events are to be retrievedeventBits
- a bitfield describing the events sunk on this element (its possible values are described inEvent
)
-
toString
@Deprecated public static java.lang.String toString(Element elem)
Deprecated.UseElement.getString()
instead.Returns a stringized version of the element. This string is for debugging purposes and will NOT be consistent on different browsers.- Parameters:
elem
- the element to stringize- Returns:
- a string form of the element
-
windowGetClientHeight
@Deprecated public static int windowGetClientHeight()
Deprecated.As of GWT 1.5, replaced byWindow.getClientHeight()
-
windowGetClientWidth
@Deprecated public static int windowGetClientWidth()
Deprecated.As of GWT 1.5, replaced byWindow.getClientWidth()
-
dispatchEvent
public static void dispatchEvent(Event evt, Element elem, EventListener listener)
This method is called directly by native code when any event is fired.- Parameters:
evt
- the handle to the event being fired.elem
- the handle to the element that received the event.listener
- the listener associated with the element that received the event.
-
dispatchEvent
public static boolean dispatchEvent(Event evt, Element elem)
This method is a similar todispatchEvent(Event, Element, EventListener)
but only dispatches if an event listener is set to element.- Parameters:
evt
- the handle to the event being fired.elem
- the handle to the element that received the event.- Returns:
true
if the event was dispatched
-
maybeInitializeEventSystem
static void maybeInitializeEventSystem()
Initialize the event system if it has not already been initialized.
-
previewEvent
public static boolean previewEvent(Event evt)
This method is called directly by native code when event preview is being used.- Parameters:
evt
- a handle to the event being previewed- Returns:
false
to cancel the event
-
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