org.eclipse.nebula.widgets.opal.calculator

Class CalculatorCombo

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.nebula.widgets.opal.calculator.CalculatorCombo

All Implemented Interfaces:

org.eclipse.swt.graphics.Drawable

public class CalculatorCombo
extends org.eclipse.swt.widgets.Composite

The CalculatorCombo class represents a selectable user interface object that combines a text field and a calculator buttons panel and issues notification when an the value is modified.

Note that although this class is a subclass of Composite, it does not make sense to add children to it, or set a layout on it.

Styles:

BORDER, FLAT

Events:

Modify

See Also:

CCombo snippets

Field Summary

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

handle

Constructor Summary

Constructors

Constructor and Description
CalculatorCombo(org.eclipse.swt.widgets.Composite parent, int style) Constructs a new instance of this class given its parent.

Method Summary

Modifier and Type	Method and Description
void	addModifyListener(org.eclipse.swt.events.ModifyListener listener) Adds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the ModifyListener interface.
org.eclipse.swt.graphics.Point	computeSize(int wHint, int hHint, boolean changed)
java.lang.String	getValue()
void	removeModifyListener(org.eclipse.swt.events.ModifyListener listener) Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.
void	setEnabled(boolean enabled)
void	setToolTipText(java.lang.String txt)
void	setValue(java.lang.String value)

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

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

computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar

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, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update

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

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

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 Detail

CalculatorCombo

public CalculatorCombo(org.eclipse.swt.widgets.Composite parent,
                       int style)

Constructs a new instance of this class given its parent.

Parameters:

parent - a widget which will be the parent of the new instance (cannot be null)

style - not used

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the parent is null

org.eclipse.swt.SWTException -

• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent

Method Detail

addModifyListener

public void addModifyListener(org.eclipse.swt.events.ModifyListener listener)

Adds the listener to the collection of listeners who will be notified when the receiver's text is modified, by sending it one of the messages defined in the ModifyListener interface.

Parameters:

listener - the listener which should be notified

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the listener is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

See Also:

ModifyListener, removeModifyListener(org.eclipse.swt.events.ModifyListener)

computeSize

public org.eclipse.swt.graphics.Point computeSize(int wHint,
                                                  int hHint,
                                                  boolean changed)

Overrides:

computeSize in class org.eclipse.swt.widgets.Control

See Also:

Control.computeSize(int, int, boolean)

getValue

public java.lang.String getValue()

Returns:

the value of the combo

removeModifyListener

public void removeModifyListener(org.eclipse.swt.events.ModifyListener listener)

Removes the listener from the collection of listeners who will be notified when the receiver's text is modified.

Parameters:

listener - the listener which should no longer be notified

Throws:

java.lang.IllegalArgumentException -

• ERROR_NULL_ARGUMENT - if the listener is null

org.eclipse.swt.SWTException -

• ERROR_WIDGET_DISPOSED - if the receiver has been disposed
• ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver

See Also:

ModifyListener, addModifyListener(org.eclipse.swt.events.ModifyListener)

setEnabled

public void setEnabled(boolean enabled)

Overrides:

setEnabled in class org.eclipse.swt.widgets.Control

See Also:

Control.setEnabled(boolean)

setToolTipText

public void setToolTipText(java.lang.String txt)

Overrides:

setToolTipText in class org.eclipse.swt.widgets.Control

See Also:

Control.setToolTipText(java.lang.String)

setValue

public void setValue(java.lang.String value)

Parameters:

value - new value

Throws:

java.lang.NumberFormatException - if value is not a valid double value