def __init__( self, condition = lambda component: True ):
super( ClipBoardBrowser, self ).__init__()
tree = TreeView()
tree.setModel( ClipBoardModel() )
layout = QtGui.QVBoxLayout( self )
layout.addWidget( TreeWidget( tree ) )
tree.doubleClicked.connect( lambda index: self.componentSelected( tree.model().itemFromIndex( index ).component ) )
self.condition = condition
