__main__.py 文件源码

def __init__(self, book):
        "Book must be an associated notebook that this Browser is 'controlling'"
        self.nb = book
        QWidget.__init__(self)
        self.lo = QVBoxLayout()
        self.setLayout(self.lo)
        #SEtup file system model
        self.files = QFileSystemModel()
        self.files.setReadOnly(False)
        self.files.setNameFilters(supportedTypes)
        if config.notespath:
            self.files.setRootPath(config.notespath)

        #Setup the view over that
        self.fv = CustomTreeView()
        self.fv.setModel(self.files)
        self.fv.hideColumn(2)
        self.fv.hideColumn(3)
        self.fv.hideColumn(1)
        self.fv.resizeColumnToContents(0)
        self.fv.setAutoScroll(True)
        #We pass it a reference so it can open things in the notebook
        self.fv.nb=book
        #I don't know what that line does, but it's important!!!!
        self.fv.setRootIndex(self.files.setRootPath("/Users"))

        #self.fv.doubleClicked.connect(self.dblclk)
        self.fv.expanded.connect(lambda x:     self.fv.resizeColumnToContents(0))
        self.fv.clicked.connect(lambda x:     self.fv.resizeColumnToContents(0))
        self.fv.setDragEnabled(True)
        self.fv.setDragDropMode(QAbstractItemView.DragDrop)
        self.fv.setAcceptDrops(True)
        self.lo.addWidget(self.fv)


        #Credit to vahancho http://stackoverflow.com/questions/22198427/adding-a-right-click-menu-for-specific-items-in-qtreeview
        self.fv.setContextMenuPolicy(Qt.CustomContextMenu);
        self.fv.customContextMenuRequested.connect(self.onCustomContextMenu);