Class TreeNode

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.widgets.Canvas

org.eclipse.ui.forms.widgets.AbstractHyperlink

org.eclipse.ui.forms.widgets.ToggleHyperlink

org.eclipse.ui.forms.widgets.TreeNode

All Implemented Interfaces:

Drawable

public class TreeNode
extends ToggleHyperlink

A custom selectable control that can be used to control areas that can be expanded or collapsed. The control control can be toggled between selected and deselected state with a mouse or by pressing 'Enter' while the control has focus.

The control is rendered as box with a '+' or '-' sign, depending on the expansion state. Focus indication is rendered around the box when the control has keyboard focus.

Styles:

None

Since:

3.0

See Also:

• Twistie

Field Summary

Fields inherited from class ToggleHyperlink

hover, innerHeight, innerWidth

Fields inherited from class AbstractHyperlink

marginHeight, marginWidth

Fields inherited from class Control

handle

Fields inherited from class Widget

nativeZoom

Constructor Summary

Constructors

Constructor	Description
TreeNode(Composite parent, int style)	Creates a control in a provided composite.

Method Summary

Modifier and Type	Method	Description
protected void	paint(PaintEvent e)	Paints the control as a reaction to the provided paint event.
protected void	paintHyperlink(GC gc)	Paints the hyperlink as a reaction to the provided paint event.

Methods inherited from class ToggleHyperlink

computeSize, geHoverDecorationColor, getDecorationColor, getHoverDecorationColor, isExpanded, setDecorationColor, setExpanded, setHoverDecorationColor

Methods inherited from class AbstractHyperlink

addHyperlinkListener, getHref, getSelection, getText, handleActivate, handleEnter, handleExit, removeHyperlinkListener, setEnabled, setHref

Methods inherited from class Canvas

drawBackground, getCaret, getIME, scroll, setCaret, setFont, setIME

Methods inherited from class Composite

changed, checkSubclass, drawBackground, getBackgroundMode, getChildren, getLayout, getLayoutDeferred, getTabList, isLayoutDeferred, layout, layout, layout, layout, layout, setBackgroundMode, setFocus, setLayout, 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, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, setData, setDragDetect, setForeground, 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

TreeNode

public TreeNode(Composite parent,
 int style)

Creates a control in a provided composite.

Parameters:

parent - the parent

style - the style

Method Details

paint

protected void paint(PaintEvent e)

Description copied from class: AbstractHyperlink

Paints the control as a reaction to the provided paint event.

Overrides:

paint in class AbstractHyperlink

Parameters:

e - the paint event

paintHyperlink

protected void paintHyperlink(GC gc)

Description copied from class: AbstractHyperlink

Paints the hyperlink as a reaction to the provided paint event.

Specified by:

paintHyperlink in class AbstractHyperlink

Parameters:

gc - graphic context