explorer.py 文件源码

def __init__(self, url=''):
        self.file_pickers = []
        if url:
            o = urlparse(url)
            query = parse_qs(o.query)
            pwd, = query.get('pwd', [''])
            for fname in query.get('files', []):
                self.file_pickers.append(FilePicker(pwd, os.path.join(pwd, fname)))
            for fpath in query.get('folders', []):
                self.file_pickers.append(FilePicker(fpath))
        if not self.file_pickers:
            self.file_pickers.append(FilePicker())

        # Define load action.
        self._load_button = ipywidgets.Button(description="load these files")
        self._load_button.on_click(self._handle_load)
        self._file_tab_button = ipywidgets.Button(description="add tab")
        self._file_tab_button.on_click(self._handle_new_tab)

        self._subplots = ipywidgets.RadioButtons(description='subplots',
                                                 options=[1, 2])
        self._subplots.observe(self._handle_nplots, names='value')

        # Plot action button.
        self._plot_button = ipywidgets.Button(description="Plot my cube")
        self._plot_button.on_click(self._goplot)

        # Configure layout of the Explorer.
        self._plot_container = ipywidgets.Box()
        # Define a Tab container for the main controls in the browse interface.
        children = [fp.box for fp in self.file_pickers]
        self.ftabs = ipywidgets.Tab(children=children)
        children = [self._load_button, self._file_tab_button]
        self.bbox = ipywidgets.HBox(children=children)
        children = [self.ftabs, self.bbox]
        self._file_picker_tabs = ipywidgets.Box(children=children)

        # Define the plot controls, start with 1 (self._subplots default)
        self.plot_controls = [PlotControl()]
        pcc_children = [pc.box for pc in self.plot_controls]
        self._plot_control_container = ipywidgets.Tab(children=pcc_children)
        self._plot_control_container.set_title(0, 'Plot Axes 0')

        # Define an Accordian for files, subplots and plots
        acc_children = [self._file_picker_tabs, self._subplots,
                        self._plot_control_container]
        self._accord = ipywidgets.Accordion(children=acc_children)
        self._accord.set_title(0, 'Files')
        self._accord.set_title(1, 'SubPlots')
        self._accord.set_title(2, 'Plots')

        # Initialise cubes container
        self._cubes = []

        # Display the browse interface.
        IPython.display.display(self._accord)
        IPython.display.display(self._plot_button)
        IPython.display.display(self._plot_container)