Class ScrolledPageBook

java.lang.Object

org.eclipse.swt.widgets.Widget

org.eclipse.swt.widgets.Control

org.eclipse.swt.widgets.Scrollable

org.eclipse.swt.widgets.Composite

org.eclipse.swt.custom.ScrolledComposite

org.eclipse.ui.forms.widgets.SharedScrolledComposite

org.eclipse.ui.forms.widgets.ScrolledPageBook

All Implemented Interfaces:

Drawable

public class ScrolledPageBook
extends SharedScrolledComposite

ScrolledPageBook is a class that is capable of stacking several composites (pages), while showing one at a time. The content is scrolled if there is not enough space to fit it in the client area.

Since:

3.0

Field Summary

Fields inherited from class Control

handle

Fields inherited from class Widget

nativeZoom

Constructor Summary

Constructors

Constructor	Description
ScrolledPageBook(Composite parent)	Creates a new instance in the provided parent
ScrolledPageBook(Composite parent, int style)	Creates a new instance in the provided parent and with the provided style.

Method Summary

Modifier and Type	Method	Description
Point	computeSize(int wHint, int hHint, boolean changed)	Removes the default size of the composite, allowing the control to shrink to the trim.
Composite	createPage(Object key)	Creates a new page for the provided key.
Composite	getContainer()	Returns the page book container.
Control	getCurrentPage()	Returns the page currently showing.
boolean	hasPage(Object key)	Tests if the page under the provided key is currently in the book.
void	registerPage(Object key, Control page)	Registers a page under the privided key to be managed by the page book.
void	removePage(Object key)	Removes the page under the provided key from the page book.
void	removePage(Object key, boolean showEmptyPage)	Removes the page under the provided key from the page book.
boolean	setFocus()	Sets focus on the current page if shown.
void	showEmptyPage()	Shows a page with no children to be used if the desire is to not show any registered page.
void	showPage(Object key)	Shows the page with the provided key and hides the page previously showing.

Methods inherited from class SharedScrolledComposite

isDelayedReflow, layout, reflow, setBackground, setContent, setDelayedReflow, setExpandHorizontal, setExpandVertical, setFont, setForeground

Methods inherited from class ScrolledComposite

getAlwaysShowScrollBars, getContent, getExpandHorizontal, getExpandVertical, getMinHeight, getMinWidth, getOrigin, getShowFocusedControl, setAlwaysShowScrollBars, setLayout, setMinHeight, setMinSize, setMinSize, setMinWidth, setOrigin, setOrigin, setShowFocusedControl, showControl

Methods inherited from class Composite

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, setBackgroundMode, setLayoutDeferred, setTabList, toString

Methods inherited from class Scrollable

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar, setScrollbarsMode

Methods inherited from class Control

addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, dragDetect, dragDetect, forceFocus, getAccessible, getBackground, getBackgroundImage, getBorderWidth, getBounds, getCursor, getData, getDragDetect, getEnabled, getFont, getForeground, getLayoutData, getLocation, getMenu, getMonitor, getOrientation, getParent, getRegion, getShell, getSize, getTextDirection, getToolTipText, getTouchEnabled, getVisible, internal_dispose_GC, internal_new_GC, isEnabled, isFocusControl, isReparentable, isVisible, moveAbove, moveBelow, pack, pack, print, redraw, redraw, removeControlListener, removeDragDetectListener, removeFocusListener, removeGestureListener, removeHelpListener, removeKeyListener, removeMenuDetectListener, removeMouseListener, removeMouseMoveListener, removeMouseTrackListener, removeMouseWheelListener, removePaintListener, removeTouchListener, removeTraverseListener, requestLayout, setAutoscalingMode, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setData, setDragDetect, setEnabled, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update

Methods inherited from class Widget

addDisposeListener, addListener, addTypedListener, checkWidget, dispose, getData, getDisplay, getListeners, getStyle, getTypedListeners, isAutoDirection, isDisposed, isListening, notifyListeners, removeDisposeListener, removeListener, removeListener, removeListener, removeTypedListener, reskin, setData

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Drawable

isAutoScalable

Constructor Details

ScrolledPageBook

public ScrolledPageBook(Composite parent)

Creates a new instance in the provided parent

Parameters:

parent - the parent composite

ScrolledPageBook

public ScrolledPageBook(Composite parent,
 int style)

Creates a new instance in the provided parent and with the provided style.

Parameters:

parent - the control parent

style - the style to use

Method Details

computeSize

public Point computeSize(int wHint,
 int hHint,
 boolean changed)

Removes the default size of the composite, allowing the control to shrink to the trim.

Overrides:

computeSize in class Control

Parameters:

wHint - the width hint

hHint - the height hint

changed - if true, do not use cached values

Returns:

the preferred size of the control.

See Also:

• Layout
• Control.getBorderWidth()
• Control.getBounds()
• Control.getSize()
• Control.pack(boolean)
• "computeTrim, getClientArea for controls that implement them"

hasPage

public boolean hasPage(Object key)

Tests if the page under the provided key is currently in the book.

Parameters:

key - the page key

Returns:

true if page exists, false otherwise.

createPage

public Composite createPage(Object key)

Creates a new page for the provided key. Use the returned composite to create children in it.

Parameters:

key - the page key

Returns:

the newly created page composite

getContainer

public Composite getContainer()

Returns the page book container.

Returns:

the page book container

registerPage

public void registerPage(Object key,
 Control page)

Registers a page under the privided key to be managed by the page book. The page must be a direct child of the page book container.

Parameters:

key - the page key

page - the page composite to register

See Also:

• createPage(Object)
• getContainer()

removePage

public void removePage(Object key)

Removes the page under the provided key from the page book. Does nothing if page with that key does not exist.

Parameters:

key - the page key.

removePage

public void removePage(Object key,
 boolean showEmptyPage)

Removes the page under the provided key from the page book. Does nothing if page with that key does not exist.

Parameters:

key - the page key.

showEmptyPage - if true, shows the empty page after page removal.

showPage

public void showPage(Object key)

Shows the page with the provided key and hides the page previously showing. Does nothing if the page with that key does not exist.

Parameters:

key - the page key

showEmptyPage

public void showEmptyPage()

Shows a page with no children to be used if the desire is to not show any registered page.

setFocus

public boolean setFocus()

Sets focus on the current page if shown.

Overrides:

setFocus in class SharedScrolledComposite

Returns:

true if the control got focus, and false if it was unable to.

See Also:

• Control.forceFocus()

getCurrentPage

public Control getCurrentPage()

Returns the page currently showing.

Returns:

the current page