javax.swing.colorchooser
Class DefaultColorSelectionModel
- java.lang.Object
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- javax.swing.colorchooser.DefaultColorSelectionModel
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- All Implemented Interfaces:
- Serializable, ColorSelectionModel
public class DefaultColorSelectionModel extends Object implements ColorSelectionModel, Serializable
A generic implementation ofColorSelectionModel.- See Also:
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Color
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Field Summary
Fields Modifier and Type Field and Description protected ChangeEventchangeEventOnly oneChangeEventis needed per model instance since the event's only (read-only) state is the source property.protected EventListenerListlistenerList
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Constructor Summary
Constructors Constructor and Description DefaultColorSelectionModel()Creates aDefaultColorSelectionModelwith the current color set toColor.white.DefaultColorSelectionModel(Color color)Creates aDefaultColorSelectionModelwith the current color set tocolor, which should be non-null.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description voidaddChangeListener(ChangeListener l)Adds aChangeListenerto the model.protected voidfireStateChanged()Runs eachChangeListener'sstateChangedmethod.ChangeListener[]getChangeListeners()Returns an array of all theChangeListeners added to thisDefaultColorSelectionModelwithaddChangeListener.ColorgetSelectedColor()Returns the selectedColorwhich should be non-null.voidremoveChangeListener(ChangeListener l)Removes aChangeListenerfrom the model.voidsetSelectedColor(Color color)Sets the selected color tocolor.
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Field Detail
changeEvent
protected transient ChangeEvent changeEvent
Only oneChangeEventis needed per model instance since the event's only (read-only) state is the source property. The source of events generated here is always "this".
listenerList
protected EventListenerList listenerList
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Constructor Detail
DefaultColorSelectionModel
public DefaultColorSelectionModel()
Creates aDefaultColorSelectionModelwith the current color set toColor.white. This is the default constructor.
DefaultColorSelectionModel
public DefaultColorSelectionModel(Color color)
Creates aDefaultColorSelectionModelwith the current color set tocolor, which should be non-null. Note that setting the color tonullis undefined and may have unpredictable results.- Parameters:
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color- the newColor
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Method Detail
getSelectedColor
public Color getSelectedColor()
Returns the selectedColorwhich should be non-null.- Specified by:
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getSelectedColorin interfaceColorSelectionModel - Returns:
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the selected
Color - See Also:
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ColorSelectionModel.setSelectedColor(java.awt.Color)
setSelectedColor
public void setSelectedColor(Color color)
Sets the selected color tocolor. Note that setting the color tonullis undefined and may have unpredictable results. This method fires a state changed event if it sets the current color to a new non-nullcolor; if the new color is the same as the current color, no event is fired.- Specified by:
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setSelectedColorin interfaceColorSelectionModel - Parameters:
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color- the newColor - See Also:
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ColorSelectionModel.getSelectedColor(),ColorSelectionModel.addChangeListener(javax.swing.event.ChangeListener)
addChangeListener
public void addChangeListener(ChangeListener l)
Adds aChangeListenerto the model.- Specified by:
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addChangeListenerin interfaceColorSelectionModel - Parameters:
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l- theChangeListenerto be added
removeChangeListener
public void removeChangeListener(ChangeListener l)
Removes aChangeListenerfrom the model.- Specified by:
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removeChangeListenerin interfaceColorSelectionModel - Parameters:
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l- theChangeListenerto be removed
getChangeListeners
public ChangeListener[] getChangeListeners()
Returns an array of all theChangeListeners added to thisDefaultColorSelectionModelwithaddChangeListener.- Returns:
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all of the
ChangeListeners added, or an empty array if no listeners have been added - Since:
- 1.4
fireStateChanged
protected void fireStateChanged()
Runs eachChangeListener'sstateChangedmethod.- See Also:
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EventListenerList
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