Package org.eclipse.ui.forms.widgets

Class Twistie

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.Twistie

All Implemented Interfaces:

Drawable

public class Twistie
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 a triangle that points to the right in the collapsed and down in the expanded state. Triangle color can be changed.

Styles:

None

Since:

3.0

See Also:

• TreeNode

Field Summary

Fields inherited from class org.eclipse.ui.forms.widgets.ToggleHyperlink

hover, innerHeight, innerWidth

Fields inherited from class org.eclipse.ui.forms.widgets.AbstractHyperlink

marginHeight, marginWidth

Fields inherited from class org.eclipse.swt.widgets.Control

handle

Fields inherited from class org.eclipse.swt.widgets.Widget

nativeZoom

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
protected void	paintHyperlink(GC gc)	Paints the hyperlink as a reaction to the provided paint event.
void	setEnabled(boolean enabled)	Enables the receiver if the argument is true, and disables it otherwise.

Methods inherited from class org.eclipse.ui.forms.widgets.ToggleHyperlink

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

Methods inherited from class org.eclipse.ui.forms.widgets.AbstractHyperlink

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

Methods inherited from class org.eclipse.swt.widgets.Canvas

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

Methods inherited from class org.eclipse.swt.widgets.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 org.eclipse.swt.widgets.Scrollable

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar, setScrollbarsMode

Methods inherited from class org.eclipse.swt.widgets.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, 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, setBackground, setBackgroundImage, setBounds, setBounds, setCapture, setCursor, 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 org.eclipse.swt.widgets.Widget

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.swt.graphics.Drawable

isAutoScalable

Constructor Details

Twistie

public Twistie(Composite parent,
 int style)

Creates a control in a provided composite.

Parameters:

parent - the parent

style - the style

Method Details

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

setEnabled

public void setEnabled(boolean enabled)

Description copied from class: Control

Enables the receiver if the argument is true, and disables it otherwise. A disabled control is typically not selectable from the user interface and draws with an inactive or "grayed" look.

Overrides:

setEnabled in class AbstractHyperlink

Parameters:

enabled - the new enabled state