org.grinvin.gred.mouse
Class SelectRectangle
NullMouseHandler
org.grinvin.gred.mouse.SelectRectangle
public class SelectRectangle
extends NullMouseHandler
Mouse handler which allows elements on a
GraphPanel
to be
selected by means of a 'rubber band' rectangle. Consumes all first button
pressed events, also when pressed on a vertex or edge.
@Override | boolean canHandle(JComponent parent)
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static SelectRectangle | getHandler() - Return the singleton object of this type.
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@Override | void doMouseClicked(JComponent parent, MouseEvent mouseEvent) - Clear the selection when the mouse was clicked (but not ctrl-clicked)
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@Override | void doMouseDragged(JComponent parent, MouseEvent mouseEvent, MouseEvent previousEvent, MouseEvent pressedEvent) - Performs a drag.
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@Override | void doMousePressed(JComponent parent, MouseEvent mouseEvent) - Consume the event when pressed.
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@Override | void doMouseReleased(JComponent parent, MouseEvent mouseEvent, MouseEvent pressedEvent) - Sets the selection to the elements within the current rectangle
or adds these elements to the selection when 'Control' is down.
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@Override | void paintDragging(JComponent parent, Graphics g, MouseEvent mouseEvent, MouseEvent previousEvent, MouseEvent pressedEvent) - Paints the rubber band rectangle.
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boolean canHandle
public @Override boolean canHandle(JComponent parent)
getHandler
public static SelectRectangle getHandler()
Return the singleton object of this type.
void doMouseClicked
public @Override void doMouseClicked(JComponent parent,
MouseEvent mouseEvent)
Clear the selection when the mouse was clicked (but not ctrl-clicked)
void doMouseDragged
public @Override void doMouseDragged(JComponent parent,
MouseEvent mouseEvent,
MouseEvent previousEvent,
MouseEvent pressedEvent)
Performs a drag.
void doMousePressed
public @Override void doMousePressed(JComponent parent,
MouseEvent mouseEvent)
Consume the event when pressed.
void doMouseReleased
public @Override void doMouseReleased(JComponent parent,
MouseEvent mouseEvent,
MouseEvent pressedEvent)
Sets the selection to the elements within the current rectangle
or adds these elements to the selection when 'Control' is down.
void paintDragging
public @Override void paintDragging(JComponent parent,
Graphics g,
MouseEvent mouseEvent,
MouseEvent previousEvent,
MouseEvent pressedEvent)
Paints the rubber band rectangle.