Package gr.zeus.ui.typesafe
Class CustomFocusTraversalPolicy
- java.lang.Object
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- java.awt.FocusTraversalPolicy
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- javax.swing.InternalFrameFocusTraversalPolicy
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- javax.swing.SortingFocusTraversalPolicy
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- javax.swing.LayoutFocusTraversalPolicy
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- gr.zeus.ui.typesafe.CustomFocusTraversalPolicy
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- All Implemented Interfaces:
java.io.Serializable
public final class CustomFocusTraversalPolicy extends javax.swing.LayoutFocusTraversalPolicy
This class creates a custom focus policy for Swing components by extending LayoutFocusTraversalPolicy. The focus policy is based upon an array of components. These components are focused as they are placed in the array: array[0] --> array[1] --> ... ---> array[last] ---> array[0] Only components in the array are focused, all other components only gain focus if you place the mouse pointer inside. This is a pretty clean and solid solution to the Swing Focus Issue, at least until Sun provides us with a better one.- Since:
- 1.20
- Author:
- Gregory Kotsaftis
- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description CustomFocusTraversalPolicy(java.awt.Component[] all)
Constructor.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.awt.Component
getComponentAfter(java.awt.Container aContainer, java.awt.Component aComponent)
Gets the next focusable component.java.awt.Component
getComponentBefore(java.awt.Container aContainer, java.awt.Component aComponent)
Gets the previous focusable component.java.awt.Component
getFirstComponent(java.awt.Container aContainer)
Gets the first focusable component.java.awt.Component
getLastComponent(java.awt.Container aContainer)
Gets the last focusable component.
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Method Detail
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getComponentAfter
public java.awt.Component getComponentAfter(java.awt.Container aContainer, java.awt.Component aComponent)
Gets the next focusable component.- Overrides:
getComponentAfter
in classjavax.swing.LayoutFocusTraversalPolicy
- Parameters:
aContainer
- The swing container, e.g. a JFrame.aComponent
- The component to calculate focus.- Returns:
- The next focusable component.
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getComponentBefore
public java.awt.Component getComponentBefore(java.awt.Container aContainer, java.awt.Component aComponent)
Gets the previous focusable component.- Overrides:
getComponentBefore
in classjavax.swing.LayoutFocusTraversalPolicy
- Parameters:
aContainer
- The swing container, e.g. a JFrame.aComponent
- The component to calculate focus.- Returns:
- The previous focusable component.
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getFirstComponent
public java.awt.Component getFirstComponent(java.awt.Container aContainer)
Gets the first focusable component.- Overrides:
getFirstComponent
in classjavax.swing.LayoutFocusTraversalPolicy
- Parameters:
aContainer
- The swing container, e.g. a JFrame.- Returns:
- The first focusable component.
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getLastComponent
public java.awt.Component getLastComponent(java.awt.Container aContainer)
Gets the last focusable component.- Overrides:
getLastComponent
in classjavax.swing.LayoutFocusTraversalPolicy
- Parameters:
aContainer
- The swing container, e.g. a JFrame.- Returns:
- The last focusable component.
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