def showWizards( self ):
        """
        Show the wizards widget for the currently selected plugin.
        """
        self.uiWizardTABLE.clear()
        
        item = self.uiPluginTREE.currentItem()
        if ( not (item and item.parent()) ):
            plugins = []
        else:
            wlang   = nativestring(item.parent().text(0))
            wgrp    = nativestring(item.text(0))
            plugins = self.plugins(wlang, wgrp)
        
        if ( not plugins ):
            self.uiWizardTABLE.setEnabled(False)
            self.uiDescriptionTXT.setEnabled(False)
            return
        
        self.uiWizardTABLE.setEnabled(True)
        self.uiDescriptionTXT.setEnabled(True)
        
        # determine the number of columns
        colcount = len(plugins) / 2
        if ( len(plugins) % 2 ):
            colcount += 1
        
        self.uiWizardTABLE.setRowCount(2)
        self.uiWizardTABLE.setColumnCount( colcount )
        
        header = self.uiWizardTABLE.verticalHeader()
        header.setResizeMode(0, header.Stretch)
        header.setResizeMode(1, header.Stretch)
        header.setMinimumSectionSize(64)
        header.hide()
        
        header = self.uiWizardTABLE.horizontalHeader()
        header.setMinimumSectionSize(64)
        header.hide()
        
        col = -1
        row = 1
        for plugin in plugins:
            if ( row ):
                col += 1
            
            row     = int(not row)
            widget  = PluginWidget(self, plugin)
            
            self.uiWizardTABLE.setItem(row, col, QTableWidgetItem())
            self.uiWizardTABLE.setCellWidget(row, col, widget)
Show the wizards widget for the currently selected plugin.