- java.lang.Object
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- javax.swing.plaf.basic.BasicSplitPaneDivider.DragController
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- Direct Known Subclasses:
BasicSplitPaneDivider.VerticalDragController
- Enclosing class:
- BasicSplitPaneDivider
protected class BasicSplitPaneDivider.DragController extends Object
Handles the events during a dragging session for a HORIZONTAL_SPLIT oriented split pane. This continually messagesdragDividerToand then when done messagesfinishDraggingTo. When an instance is created it should be messaged withisValidto insure that dragging can happen (dragging won't be allowed if the two views can not be resized).Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the
java.beanspackage. Please seeXMLEncoder.
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Constructor Summary
Constructors Modifier Constructor Description protectedDragController(MouseEvent e)Constructs a new instance ofDragController.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected voidcompleteDrag(int x, int y)Messages finishDraggingTo with the new location for the mouse event.protected voidcompleteDrag(MouseEvent e)Messages finishDraggingTo with the new location for the mouse event.protected voidcontinueDrag(int newX, int newY)Messages dragDividerTo with the new location for the mouse event.protected voidcontinueDrag(MouseEvent e)Messages dragDividerTo with the new location for the mouse event.protected intgetNeededLocation(int x, int y)Returns the x argument, since this is used for horizontal splits.protected booleanisValid()Returnstrueif the dragging session is valid.protected intpositionForMouseEvent(MouseEvent e)Returns the new position to put the divider at based on the passed in MouseEvent.
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Constructor Detail
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DragController
protected DragController(MouseEvent e)
Constructs a new instance ofDragController.- Parameters:
e- a mouse event
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Method Detail
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isValid
protected boolean isValid()
Returnstrueif the dragging session is valid.- Returns:
trueif the dragging session is valid
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positionForMouseEvent
protected int positionForMouseEvent(MouseEvent e)
Returns the new position to put the divider at based on the passed in MouseEvent.- Parameters:
e- a mouse event- Returns:
- the new position
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getNeededLocation
protected int getNeededLocation(int x, int y)Returns the x argument, since this is used for horizontal splits.- Parameters:
x- an X coordinatey- an Y coordinate- Returns:
- the X argument
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continueDrag
protected void continueDrag(int newX, int newY)Messages dragDividerTo with the new location for the mouse event.- Parameters:
newX- an X coordinatenewY- an Y coordinate
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continueDrag
protected void continueDrag(MouseEvent e)
Messages dragDividerTo with the new location for the mouse event.- Parameters:
e- a mouse event
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completeDrag
protected void completeDrag(int x, int y)Messages finishDraggingTo with the new location for the mouse event.- Parameters:
x- an X coordinatey- an Y coordinate
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completeDrag
protected void completeDrag(MouseEvent e)
Messages finishDraggingTo with the new location for the mouse event.- Parameters:
e- a mouse event
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