Interface java.awt.swing.DesktopManager
- Implementing Classes:
- DefaultDesktopManager
- public interface DesktopManager
DesktopManager objects are owned by a JDesktopPane object. They are responsible
for implementing L&F specific behaviors for the JDesktopPane. JInternalFrame
implementations should delegate specific behaviors to the DesktopManager. For
instance, if a JInternalFrame was asked to iconify it should try:
getDesktopPane().getDesktopManager().iconifyFrame(frame);
This will allow you to build custom behaviors for desktop specific actions.
- See Also:
- JDesktopPane, JInternalFrame, JDesktopIcon
Method Summary
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void
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activateFrame(JInternalFrame f)
Generally, indicate that this frame has focus.
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void
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beginDraggingFrame(JComponent f)
This method is normally called when the user has indicated that
they will begin dragging a component around.
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void
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beginResizingFrame(JComponent f,
int direction)
This methods is normally called when the user has indicated that
they will begin resizing the frame.
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void
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closeFrame(JInternalFrame f)
Generally, this call should remove the frame from it's parent.
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void
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deactivateFrame(JInternalFrame f)
Generally, indicate that this frame has lost focus.
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void
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deiconifyFrame(JInternalFrame f)
Generally, remove any iconic representation that is present and restore the
frame to it's original size and location.
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void
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dragFrame(JComponent f,
int newX,
int newY)
The user has moved the frame.
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void
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endDraggingFrame(JComponent f)
This method signals the end of the dragging session.
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void
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endResizingFrame(JComponent f)
This method signals the end of the resize session.
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void
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iconifyFrame(JInternalFrame f)
Generally, remove this frame from it's parent and add an iconic representation.
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void
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maximizeFrame(JInternalFrame f)
Generally, the frame should be resized to match it's parents bounds.
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void
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minimizeFrame(JInternalFrame f)
Generally, this indicates that the frame should be restored to it's
size and position prior to a maximizeFrame() call.
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void
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openFrame(JInternalFrame f)
If possible, display this frame in an appropriate location.
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void
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resizeFrame(JComponent f,
int newX,
int newY,
int newWidth,
int newHeight)
The user has resized the component.
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void
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setBoundsForFrame(JComponent f,
int newX,
int newY,
int newWidth,
int newHeight)
This is a primative reshape method.
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openFrame
public void openFrame(JInternalFrame f)
- If possible, display this frame in an appropriate location.
Normally, this is not called, as the creator of the JInternalFrame
will add the frame to the appropriate parent.
closeFrame
public void closeFrame(JInternalFrame f)
- Generally, this call should remove the frame from it's parent.
maximizeFrame
public void maximizeFrame(JInternalFrame f)
- Generally, the frame should be resized to match it's parents bounds.
minimizeFrame
public void minimizeFrame(JInternalFrame f)
- Generally, this indicates that the frame should be restored to it's
size and position prior to a maximizeFrame() call.
iconifyFrame
public void iconifyFrame(JInternalFrame f)
- Generally, remove this frame from it's parent and add an iconic representation.
deiconifyFrame
public void deiconifyFrame(JInternalFrame f)
- Generally, remove any iconic representation that is present and restore the
frame to it's original size and location.
activateFrame
public void activateFrame(JInternalFrame f)
- Generally, indicate that this frame has focus. This is usually called after
the JInternalFrame's IS_SELECTED_PROPERTY has been set to true.
deactivateFrame
public void deactivateFrame(JInternalFrame f)
- Generally, indicate that this frame has lost focus. This is usually called
after the JInternalFrame's IS_SELECTED_PROPERTY has been set to false.
beginDraggingFrame
public void beginDraggingFrame(JComponent f)
- This method is normally called when the user has indicated that
they will begin dragging a component around. This method should be called
prior to any dragFrame() calls to allow the DesktopManager to prepare any
necessary state. Normally f will be a JInternalFrame.
dragFrame
public void dragFrame(JComponent f,
int newX,
int newY)
- The user has moved the frame. Calls to this method will be preceeded by calls
to beginDraggingFrame().
Normally f will be a JInternalFrame.
endDraggingFrame
public void endDraggingFrame(JComponent f)
- This method signals the end of the dragging session. Any state maintained by
the DesktopManager can be removed here. Normally f will be a JInternalFrame.
beginResizingFrame
public void beginResizingFrame(JComponent f,
int direction)
- This methods is normally called when the user has indicated that
they will begin resizing the frame. This method should be called
prior to any resizeFrame() calls to allow the DesktopManager to prepare any
necessary state. Normally f will be a JInternalFrame.
resizeFrame
public void resizeFrame(JComponent f,
int newX,
int newY,
int newWidth,
int newHeight)
- The user has resized the component. Calls to this method will be preceeded by calls
to beginResizingFrame().
Normally f will be a JInternalFrame.
endResizingFrame
public void endResizingFrame(JComponent f)
- This method signals the end of the resize session. Any state maintained by
the DesktopManager can be removed here. Normally f will be a JInternalFrame.
setBoundsForFrame
public void setBoundsForFrame(JComponent f,
int newX,
int newY,
int newWidth,
int newHeight)
- This is a primative reshape method.
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