Class KnobFigure
- java.lang.Object
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- org.eclipse.draw2d.Figure
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- org.eclipse.nebula.visualization.widgets.figures.AbstractScaledWidgetFigure
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- org.eclipse.nebula.visualization.widgets.figures.AbstractMarkedWidgetFigure
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- org.eclipse.nebula.visualization.widgets.figures.AbstractRoundRampedFigure
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- org.eclipse.nebula.visualization.widgets.figures.KnobFigure
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- All Implemented Interfaces:
org.eclipse.draw2d.IFigure
,Introspectable
public class KnobFigure extends AbstractRoundRampedFigure
The figure of knob
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Nested Class Summary
Nested Classes Modifier and Type Class Description (package private) class
KnobFigure.KnobLayout
(package private) class
KnobFigure.Thumb
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Field Summary
Fields Modifier and Type Field Description private static int
BORDER_WIDTH
private Bulb
bulb
private static org.eclipse.swt.graphics.Font
DEFAULT_LABEL_FONT
private static int
DISABLED_ALPHA
The alpha (0 is transparency and 255 is opaque) for disabled paintprivate boolean
effect3D
private static org.eclipse.swt.graphics.Color
GRAY_COLOR
private double
increment
private java.util.List<IManualValueChangeListener>
knobListeners
Listeners that react on slider events.private KnobFigure.Thumb
thumb
private org.eclipse.swt.graphics.Color
thumbColor
private org.eclipse.draw2d.Label
valueLabel
private static org.eclipse.swt.graphics.Color
WHITE_COLOR
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Fields inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractRoundRampedFigure
gradient, ramp
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Fields inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractMarkedWidgetFigure
hiColor, hihiColor, hihiLevel, hiLevel, loColor, loLevel, loloColor, loloLevel, showHi, showHihi, showLo, showLolo, showMarkers
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Fields inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractScaledWidgetFigure
logScale, majorTickMarkStepHint, maximum, minimum, scale, showMinorTicks, showScale, transparent, value, valueLabelFormat
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Constructor Summary
Constructors Constructor Description KnobFigure()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addManualValueChangeListener(IManualValueChangeListener listener)
Add a knob listener.private double
calcValueChange(double difference, double oldValue)
Convert the difference of two points to the corresponding value to be changed.private void
fireManualValueChange(double newManualValue)
Inform all knob listeners, that the manual value has changed.double
getIncrement()
org.eclipse.swt.graphics.Color
getThumbColor()
boolean
isEffect3D()
void
manualSetValue(double value)
Set Value from manual control of the widget.protected void
paintClientArea(org.eclipse.draw2d.Graphics graphics)
void
removeManualValueChangeListener(IManualValueChangeListener listener)
void
setBounds(org.eclipse.draw2d.geometry.Rectangle rect)
void
setBulbColor(org.eclipse.swt.graphics.Color color)
void
setCursor(org.eclipse.swt.graphics.Cursor cursor)
void
setEffect3D(boolean effect3D)
void
setEnabled(boolean value)
void
setFont(org.eclipse.swt.graphics.Font f)
void
setIncrement(double increment)
void
setThumbColor(org.eclipse.swt.graphics.Color thumbColor)
void
setValue(double value)
void
setValueLabelVisibility(boolean visible)
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Methods inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractRoundRampedFigure
isGradient, setGradient, setHiColor, setHihiColor, setHihiLevel, setHiLevel, setLoColor, setLogScale, setLoLevel, setLoloColor, setLoloLevel, setRange, setShowHi, setShowHihi, setShowLo, setShowLolo, setShowMarkers
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Methods inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractMarkedWidgetFigure
getHiColor, getHihiColor, getHihiLevel, getHiLevel, getLoColor, getLoLevel, getLoloColor, getLoloLevel, isShowHi, isShowHihi, isShowLo, isShowLolo, isShowMarkers
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Methods inherited from class org.eclipse.nebula.visualization.widgets.figures.AbstractScaledWidgetFigure
getBeanInfo, getCoercedValue, getCoercedValue, getMajorTickMarkStepHint, getMaximum, getMinimum, getRange, getScale, getValue, getValueLabelFormat, getValueText, isLogScale, isOpaque, isShowMinorTicks, isShowScale, isTransparent, paintFigure, setMajorTickMarkStepHint, setRange, setScale, setShowMinorTicks, setShowScale, setTransparent, setValueLabelFormat
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Methods inherited from class org.eclipse.draw2d.Figure
add, add, add, add, addAncestorListener, addCoordinateListener, addFigureListener, addFocusListener, addKeyListener, addLayoutListener, addListener, addMouseListener, addMouseMotionListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, containsPoint, containsPoint, erase, findDescendantAtExcluding, findFigureAt, findFigureAt, findFigureAt, findFigureAtExcluding, findMouseEventTargetAt, findMouseEventTargetInDescendantsAt, fireCoordinateSystemChanged, fireFigureMoved, fireMoved, firePropertyChange, firePropertyChange, firePropertyChange, getBackgroundColor, getBorder, getBounds, getChildren, getClientArea, getClientArea, getClippingStrategy, getCursor, getFlag, getFont, getForegroundColor, getInsets, getLayoutManager, getListeners, getLocalBackgroundColor, getLocalFont, getLocalForegroundColor, getLocation, getMaximumSize, getMinimumSize, getMinimumSize, getParent, getPreferredSize, getPreferredSize, getSize, getToolTip, getUpdateManager, handleFocusGained, handleFocusLost, handleKeyPressed, handleKeyReleased, handleMouseDoubleClicked, handleMouseDragged, handleMouseEntered, handleMouseExited, handleMouseHover, handleMouseMoved, handleMousePressed, handleMouseReleased, hasFocus, internalGetEventDispatcher, intersects, invalidate, invalidateTree, isCoordinateSystem, isEnabled, isFocusTraversable, isMirrored, isMouseEventTarget, isRequestFocusEnabled, isShowing, isValid, isValidationRoot, isVisible, layout, paint, paintBorder, paintChildren, primTranslate, remove, removeAll, removeAncestorListener, removeCoordinateListener, removeFigureListener, removeFocusListener, removeKeyListener, removeLayoutListener, removeListener, removeMouseListener, removeMouseMotionListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, revalidate, setBackgroundColor, setBorder, setChildrenDirection, setChildrenEnabled, setChildrenOrientation, setClippingStrategy, setConstraint, setFlag, setFocusTraversable, setForegroundColor, setLayoutManager, setLocation, setMaximumSize, setMinimumSize, setOpaque, setParent, setPreferredSize, setPreferredSize, setRequestFocusEnabled, setSize, setSize, setToolTip, setValid, setVisible, translate, translateFromParent, translateToAbsolute, translateToParent, translateToRelative, useLocalCoordinates, validate
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Field Detail
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WHITE_COLOR
private static final org.eclipse.swt.graphics.Color WHITE_COLOR
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GRAY_COLOR
private static final org.eclipse.swt.graphics.Color GRAY_COLOR
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DEFAULT_LABEL_FONT
private static final org.eclipse.swt.graphics.Font DEFAULT_LABEL_FONT
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BORDER_WIDTH
private static final int BORDER_WIDTH
- See Also:
- Constant Field Values
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DISABLED_ALPHA
private static final int DISABLED_ALPHA
The alpha (0 is transparency and 255 is opaque) for disabled paint- See Also:
- Constant Field Values
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effect3D
private boolean effect3D
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increment
private double increment
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thumb
private KnobFigure.Thumb thumb
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bulb
private Bulb bulb
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thumbColor
private org.eclipse.swt.graphics.Color thumbColor
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valueLabel
private org.eclipse.draw2d.Label valueLabel
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knobListeners
private java.util.List<IManualValueChangeListener> knobListeners
Listeners that react on slider events.
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Method Detail
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addManualValueChangeListener
public void addManualValueChangeListener(IManualValueChangeListener listener)
Add a knob listener.- Parameters:
listener
- The knob listener to add.
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calcValueChange
private double calcValueChange(double difference, double oldValue)
Convert the difference of two points to the corresponding value to be changed.- Parameters:
difference
- the different theta value in degrees between two polar points.oldValue
- the old value before this change- Returns:
- the value to be changed
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fireManualValueChange
private void fireManualValueChange(double newManualValue)
Inform all knob listeners, that the manual value has changed.- Parameters:
newManualValue
- the new manual value
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getIncrement
public double getIncrement()
- Returns:
- the increment
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getThumbColor
public org.eclipse.swt.graphics.Color getThumbColor()
- Returns:
- the thumbColor
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isEffect3D
public boolean isEffect3D()
- Returns:
- the effect3D
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manualSetValue
public void manualSetValue(double value)
Set Value from manual control of the widget. Value will be coerced in range.- Parameters:
value
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paintClientArea
protected void paintClientArea(org.eclipse.draw2d.Graphics graphics)
- Overrides:
paintClientArea
in classorg.eclipse.draw2d.Figure
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removeManualValueChangeListener
public void removeManualValueChangeListener(IManualValueChangeListener listener)
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setBounds
public void setBounds(org.eclipse.draw2d.geometry.Rectangle rect)
- Specified by:
setBounds
in interfaceorg.eclipse.draw2d.IFigure
- Overrides:
setBounds
in classorg.eclipse.draw2d.Figure
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setBulbColor
public void setBulbColor(org.eclipse.swt.graphics.Color color)
- Parameters:
color
- the bulb color to set
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setCursor
public void setCursor(org.eclipse.swt.graphics.Cursor cursor)
- Specified by:
setCursor
in interfaceorg.eclipse.draw2d.IFigure
- Overrides:
setCursor
in classorg.eclipse.draw2d.Figure
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setEffect3D
public void setEffect3D(boolean effect3D)
- Parameters:
effect3D
- the effect3D to set
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setEnabled
public void setEnabled(boolean value)
- Specified by:
setEnabled
in interfaceorg.eclipse.draw2d.IFigure
- Overrides:
setEnabled
in classorg.eclipse.draw2d.Figure
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setFont
public void setFont(org.eclipse.swt.graphics.Font f)
- Specified by:
setFont
in interfaceorg.eclipse.draw2d.IFigure
- Overrides:
setFont
in classorg.eclipse.draw2d.Figure
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setIncrement
public void setIncrement(double increment)
- Parameters:
increment
- the increment to set
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setThumbColor
public void setThumbColor(org.eclipse.swt.graphics.Color thumbColor)
- Parameters:
thumbColor
- the thumbColor to set
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setValue
public void setValue(double value)
- Overrides:
setValue
in classAbstractScaledWidgetFigure
- Parameters:
value
- the value to set
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setValueLabelVisibility
public void setValueLabelVisibility(boolean visible)
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