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Background: I have a JPanel (PanelCarga extends JPanel) that displays as many sub-JPanels (DatosArchivo extends JPanel) as files I wish to open (n DatosArchivo panels) in my program for diferent purposes. This DatosArchivos contains a "X" button that I wish it to closes this DatosArchivos panel and then informs to the corresponding PanelCarga that it have been closed so that can reorganize in his grid the remaining n-1 DatosArchivo panels.

Tha PanelCarga Class:



And the DatosArchivo Class:


Thanks in advance
 
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