Package com.google.gwt.user.client
Class Window
java.lang.Object
com.google.gwt.user.client.Window
This class provides access to the browser window's methods, properties, and
events.
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Nested Class Summary
Modifier and TypeClassDescriptionstatic class
Fired just before the browser window closes or navigates to a different site.static interface
Handler forWindow.ClosingEvent
events.static class
This class provides access to the browser's location's object.static class
This class provides access to the browser's navigator object.static class
Fired when the browser window is scrolled.static interface
Handler forWindow.ScrollEvent
events. -
Field Summary
Modifier and TypeFieldDescription(package private) static com.google.gwt.user.client.Window.WindowHandlers
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Method Summary
Modifier and TypeMethodDescriptionstatic HandlerRegistration
addCloseHandler
(CloseHandler<Window> handler) Adds aCloseEvent
handler.static HandlerRegistration
addResizeHandler
(ResizeHandler handler) Adds aResizeEvent
handler.static void
addWindowCloseListener
(WindowCloseListener listener) Deprecated.static HandlerRegistration
Adds aWindow.ClosingEvent
handler.static void
addWindowResizeListener
(WindowResizeListener listener) Deprecated.useaddResizeHandler(ResizeHandler)
insteadstatic HandlerRegistration
Adds aWindow.ScrollEvent
handler.static void
addWindowScrollListener
(WindowScrollListener listener) Deprecated.useaddWindowScrollHandler(ScrollHandler)
insteadstatic void
Displays a message in a modal dialog box.static boolean
Displays a message in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.static void
enableScrolling
(boolean enable) Use this method to explicitly disable the window's scrollbars.static int
Gets the height of the browser window's client area excluding the scroll bar.static int
Gets the width of the browser window's client area excluding the vertical scroll bar.static int
Gets the window's scroll left.static int
Get the window's scroll top.static String
getTitle()
Gets the browser window's current title.static void
moveBy
(int dx, int dy) Moves a window's left and top edge to a specified number of pixels relative to its current coordinates.static void
moveTo
(int x, int y) Moves a window's left and top edge to the specified coordinates.(package private) static void
onClosed()
(package private) static String
(package private) static void
onResize()
(package private) static void
onScroll()
static void
Opens a new browser window.static void
print()
Prints the document in the window, as if the user had issued a "Print" command.static String
Displays a request for information in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.static void
removeWindowCloseListener
(WindowCloseListener listener) Deprecated.static void
Deprecated.static void
Deprecated.static void
resizeBy
(int width, int height) Resizes the window by the specified width and height.static void
resizeTo
(int width, int height) Resizes the window to the specified width and height.static void
scrollTo
(int left, int top) Scroll the window to the specified position.static void
Sets the size of the margins used within the window's client area.static void
Sets the status text for the window, if permitted by the browser's settings.static void
Sets the browser window's title.
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Field Details
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handlers
static com.google.gwt.user.client.Window.WindowHandlers handlers
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Method Details
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addWindowCloseListener
Deprecated.useaddWindowClosingHandler(ClosingHandler)
andaddCloseHandler(CloseHandler)
insteadAdds a listener to receive window closing events.- Parameters:
listener
- the listener to be informed when the window is closing
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addWindowClosingHandler
Adds aWindow.ClosingEvent
handler.- Parameters:
handler
- the handler- Returns:
- returns the handler registration
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addWindowResizeListener
Deprecated.useaddResizeHandler(ResizeHandler)
insteadAdds a listener to receive window resize events.- Parameters:
listener
- the listener to be informed when the window is resized
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addWindowScrollHandler
Adds aWindow.ScrollEvent
handler.- Parameters:
handler
- the handler- Returns:
- returns the handler registration
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addWindowScrollListener
Deprecated.useaddWindowScrollHandler(ScrollHandler)
insteadAdds a listener to receive window scroll events.- Parameters:
listener
- the listener to be informed when the window is scrolled
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alert
Displays a message in a modal dialog box.- Parameters:
msg
- the message to be displayed.
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confirm
Displays a message in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.- Parameters:
msg
- the message to be displayed.- Returns:
true
if 'OK' is clicked,false
if 'Cancel' is clicked.
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enableScrolling
public static void enableScrolling(boolean enable) Use this method to explicitly disable the window's scrollbars. Applications that choose to resize their user-interfaces to fit within the window's client area will normally want to disable window scrolling.- Parameters:
enable
-false
to disable window scrolling
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getClientHeight
public static int getClientHeight()Gets the height of the browser window's client area excluding the scroll bar.- Returns:
- the window's client height
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getClientWidth
public static int getClientWidth()Gets the width of the browser window's client area excluding the vertical scroll bar.- Returns:
- the window's client width
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getScrollLeft
public static int getScrollLeft()Gets the window's scroll left.- Returns:
- window's scroll left
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getScrollTop
public static int getScrollTop()Get the window's scroll top.- Returns:
- the window's scroll top
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getTitle
Gets the browser window's current title.- Returns:
- the window's title.
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moveBy
public static void moveBy(int dx, int dy) Moves a window's left and top edge to a specified number of pixels relative to its current coordinates.NOTE: In Chrome, this method only works with windows created by Window.open().
- Parameters:
dx
- A positive or a negative number that specifies how many pixels to move the left edge bydy
- A positive or a negative number that specifies how many pixels to move the top edge by
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moveTo
public static void moveTo(int x, int y) Moves a window's left and top edge to the specified coordinates.NOTE: In Chrome, this method only works with windows created by Window.open().
- Parameters:
x
- The left coordinatey
- The top coordinate
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open
Opens a new browser window. The "name" and "features" arguments are specified here.- Parameters:
url
- the URL that the new window will displayname
- the name of the window (e.g. "_blank")features
- the features to be enabled/disabled on this window
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print
public static void print()Prints the document in the window, as if the user had issued a "Print" command. -
prompt
Displays a request for information in a modal dialog box, along with the standard 'OK' and 'Cancel' buttons.- Parameters:
msg
- the message to be displayedinitialValue
- the initial value in the dialog's text field- Returns:
- the value entered by the user if 'OK' was pressed, or
null
if 'Cancel' was pressed
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removeWindowCloseListener
Deprecated.Removes a window closing listener.- Parameters:
listener
- the listener to be removed
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removeWindowResizeListener
Deprecated.Removes a window resize listener.- Parameters:
listener
- the listener to be removed
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removeWindowScrollListener
Deprecated.Removes a window scroll listener.- Parameters:
listener
- the listener to be removed
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resizeBy
public static void resizeBy(int width, int height) Resizes the window by the specified width and height. This method moves the bottom right corner of the window by the specified number of pixels defined. The top left corner will not be moved (it stays in its original coordinates).NOTE: In most modern browsers, this method only works with windows created by Window.open() with a supplied width and height.
- Parameters:
width
- A positive or a negative number that specifies how many pixels to resize the width byheight
- A positive or a negative number that specifies how many pixels to resize the height by
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resizeTo
public static void resizeTo(int width, int height) Resizes the window to the specified width and height.NOTE: In most modern browsers, this method only works with windows created by Window.open() with a supplied width and height.
- Parameters:
width
- The width of the window, in pixelsheight
- The height of the window, in pixels
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scrollTo
public static void scrollTo(int left, int top) Scroll the window to the specified position.- Parameters:
left
- the left scroll positiontop
- the top scroll position
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setMargin
Sets the size of the margins used within the window's client area. It is sometimes necessary to do this because some browsers, such as Internet Explorer, add margins by default, which can confound attempts to resize panels to fit exactly within the window.- Parameters:
size
- the window's new margin size, in CSS units.
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setStatus
Sets the status text for the window, if permitted by the browser's settings.- Parameters:
status
- the new message to display.
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setTitle
Sets the browser window's title.- Parameters:
title
- the new window title.
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onClosed
static void onClosed() -
onClosing
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onResize
static void onResize() -
onScroll
static void onScroll()
addWindowClosingHandler(ClosingHandler)
andaddCloseHandler(CloseHandler)
instead