Class CalculatorButtonsComposite
- java.lang.Object
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- org.eclipse.swt.widgets.Widget
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- org.eclipse.swt.widgets.Control
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- org.eclipse.swt.widgets.Scrollable
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- org.eclipse.swt.widgets.Composite
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- org.eclipse.nebula.widgets.opal.calculator.CalculatorButtonsComposite
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- All Implemented Interfaces:
org.eclipse.swt.graphics.Drawable
class CalculatorButtonsComposite extends org.eclipse.swt.widgets.Composite
This composite contains all buttons
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Field Summary
Fields Modifier and Type Field Description private CalculatorButtonsBehaviourEngine
behaviourEngine
private org.eclipse.swt.graphics.Color
darkBlueColor
private org.eclipse.swt.graphics.Color
darkRedColor
private org.eclipse.swt.widgets.Label
displayArea
private CalculatorEngine
engine
private org.eclipse.swt.events.KeyListener
keyListener
private static java.lang.String
LABEL_BACK
private static java.lang.String
LABEL_C
private static java.lang.String
LABEL_CE
private java.util.List<org.eclipse.swt.events.ModifyListener>
modifyListeners
private boolean
readyToEnterNewNumber
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Constructor Summary
Constructors Constructor Description CalculatorButtonsComposite(org.eclipse.swt.widgets.Composite parent, int style)
Constructor
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description private void
addKeyListeners()
Add key listenersvoid
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 theModifyListener
interface.private org.eclipse.swt.widgets.Button
createButton(java.lang.String label, org.eclipse.swt.graphics.Color color)
private void
createButtons()
Create all buttonsprivate void
createDigitButton(int digit)
(package private) void
fireModifyListeners()
Fire the modify listeners(package private) org.eclipse.swt.widgets.Label
getDisplayArea()
(package private) org.eclipse.swt.events.KeyListener
getKeyListener()
(package private) boolean
isReadyToEnterNewNumber()
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.(package private) void
setDisplayArea(org.eclipse.swt.widgets.Label text)
(package private) void
setReadyToEnterNewNumber(boolean newValue)
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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
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Methods inherited from class org.eclipse.swt.widgets.Scrollable
computeTrim, getClientArea, getHorizontalBar, getScrollbarsMode, getVerticalBar
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Methods inherited from class org.eclipse.swt.widgets.Control
addControlListener, addDragDetectListener, addFocusListener, addGestureListener, addHelpListener, addKeyListener, addMenuDetectListener, addMouseListener, addMouseMoveListener, addMouseTrackListener, addMouseWheelListener, addPaintListener, addTouchListener, addTraverseListener, computeSize, 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, isAutoScalable, 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, setEnabled, setFont, setForeground, setLayoutData, setLocation, setLocation, setMenu, setOrientation, setParent, setRedraw, setRegion, setSize, setSize, setTextDirection, setToolTipText, setTouchEnabled, setVisible, toControl, toControl, toDisplay, toDisplay, traverse, traverse, traverse, update
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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
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Field Detail
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LABEL_C
private static final java.lang.String LABEL_C
- See Also:
- Constant Field Values
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LABEL_CE
private static final java.lang.String LABEL_CE
- See Also:
- Constant Field Values
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LABEL_BACK
private static final java.lang.String LABEL_BACK
- See Also:
- Constant Field Values
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darkRedColor
private final org.eclipse.swt.graphics.Color darkRedColor
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darkBlueColor
private final org.eclipse.swt.graphics.Color darkBlueColor
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engine
private final CalculatorEngine engine
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displayArea
private org.eclipse.swt.widgets.Label displayArea
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keyListener
private org.eclipse.swt.events.KeyListener keyListener
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modifyListeners
private final java.util.List<org.eclipse.swt.events.ModifyListener> modifyListeners
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behaviourEngine
private final CalculatorButtonsBehaviourEngine behaviourEngine
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readyToEnterNewNumber
private boolean readyToEnterNewNumber
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Method Detail
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createButtons
private void createButtons()
Create all buttons
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createDigitButton
private void createDigitButton(int digit)
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createButton
private org.eclipse.swt.widgets.Button createButton(java.lang.String label, org.eclipse.swt.graphics.Color color)
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addKeyListeners
private void addKeyListeners()
Add key listeners
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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 theModifyListener
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)
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fireModifyListeners
void fireModifyListeners()
Fire the modify listeners
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getKeyListener
org.eclipse.swt.events.KeyListener getKeyListener()
- Returns:
- the keyListener
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getDisplayArea
org.eclipse.swt.widgets.Label getDisplayArea()
- Returns:
- the text
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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)
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setDisplayArea
void setDisplayArea(org.eclipse.swt.widgets.Label text)
- Parameters:
text
- the text to set
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setReadyToEnterNewNumber
void setReadyToEnterNewNumber(boolean newValue)
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isReadyToEnterNewNumber
boolean isReadyToEnterNewNumber()
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