Python browser.WebView类代码示例

class RichText(QWidget):
    """
    WebView widget with find dialog
    """
    def __init__(self, parent):
        QWidget.__init__(self, parent)
        
        self.webview = WebView(self)
        self.find_widget = FindReplace(self)
        self.find_widget.set_editor(self.webview)
        self.find_widget.hide()
        
        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.addWidget(self.webview)
        layout.addWidget(self.find_widget)
        self.setLayout(layout)
        
    def set_font(self, font, fixed_font=None):
        """Set font"""
        self.webview.set_font(font, fixed_font=fixed_font)
        
    def set_html(self, html_text, base_url):
        """Set html text"""
        self.webview.setHtml(html_text, base_url)
        
    def clear(self):
        self.set_html('', self.webview.url())

    def __init__(self, plugin, history_filename, connection_file=None,
                 kernel_widget_id=None, menu_actions=None):
        super(IPythonClient, self).__init__(plugin)
        SaveHistoryMixin.__init__(self)
        self.options_button = None

        self.connection_file = connection_file
        self.kernel_widget_id = kernel_widget_id
        self.name = ''
        self.shellwidget = IPythonShellWidget(config=plugin.ipywidget_config(),
                                              local_kernel=False)
        self.shellwidget.hide()
        self.infowidget = WebView(self)
        self.menu_actions = menu_actions
        self.history_filename = get_conf_path(history_filename)
        self.history = []
        self.namespacebrowser = None
        
        self.set_infowidget_font()
        self.loading_page = self._create_loading_page()
        self.infowidget.setHtml(self.loading_page)
        
        vlayout = QVBoxLayout()
        toolbar_buttons = self.get_toolbar_buttons()
        hlayout = QHBoxLayout()
        for button in toolbar_buttons:
            hlayout.addWidget(button)
        vlayout.addLayout(hlayout)
        vlayout.setContentsMargins(0, 0, 0, 0)
        vlayout.addWidget(self.shellwidget)
        vlayout.addWidget(self.infowidget)
        self.setLayout(vlayout)
        
        self.exit_callback = lambda: plugin.close_console(client=self)

 def __init__(self, parent):
     QWidget.__init__(self, parent)
     
     self.webview = WebView(self)
     self.find_widget = FindReplace(self)
     self.find_widget.set_editor(self.webview)
     self.find_widget.hide()
     
     layout = QVBoxLayout()
     layout.setContentsMargins(0, 0, 0, 0)
     layout.addWidget(self.webview)
     layout.addWidget(self.find_widget)
     self.setLayout(layout)

    def __init__(self, plugin, name, history_filename, connection_file=None, 
                 hostname=None, sshkey=None, password=None, 
                 kernel_widget_id=None, menu_actions=None):
        super(IPythonClient, self).__init__(plugin)
        SaveHistoryMixin.__init__(self)
        self.options_button = None
        
        # stop button and icon
        self.stop_button = None
        self.stop_icon = ima.icon('stop')        
        self.connection_file = connection_file
        self.kernel_widget_id = kernel_widget_id
        self.hostname = hostname
        self.sshkey = sshkey
        self.password = password
        self.name = name
        self.get_option = plugin.get_option
        self.shellwidget = IPythonShellWidget(config=self.shellwidget_config(),
                                              local_kernel=False)
        self.shellwidget.hide()
        self.infowidget = WebView(self)
        self.menu_actions = menu_actions
        self.history_filename = get_conf_path(history_filename)
        self.history = []
        self.namespacebrowser = None

        self.set_infowidget_font()
        self.loading_page = self._create_loading_page()
        self.infowidget.setHtml(self.loading_page,
                                QUrl.fromLocalFile(CSS_PATH))

        vlayout = QVBoxLayout()
        toolbar_buttons = self.get_toolbar_buttons()
        hlayout = QHBoxLayout()
        for button in toolbar_buttons:
            hlayout.addWidget(button)
        vlayout.addLayout(hlayout)
        vlayout.setContentsMargins(0, 0, 0, 0)
        vlayout.addWidget(self.shellwidget)
        vlayout.addWidget(self.infowidget)
        self.setLayout(vlayout)
        
        self.exit_callback = lambda: plugin.close_client(client=self)

class IPythonClient(QWidget, SaveHistoryMixin):
    """
    IPython client or frontend for Spyder

    This is a widget composed of a shell widget (i.e. RichIPythonWidget
    + our additions = IPythonShellWidget) and a WebView info widget to 
    print kernel error and other messages.
    """
    
    SEPARATOR = '%s##---(%s)---' % (os.linesep*2, time.ctime())
    append_to_history = Signal(str, str)
    
    def __init__(self, plugin, name, history_filename, connection_file=None, 
                 hostname=None, sshkey=None, password=None, 
                 kernel_widget_id=None, menu_actions=None):
        super(IPythonClient, self).__init__(plugin)
        SaveHistoryMixin.__init__(self)
        self.options_button = None
        
        # stop button and icon
        self.stop_button = None
        self.stop_icon = ima.icon('stop')        
        self.connection_file = connection_file
        self.kernel_widget_id = kernel_widget_id
        self.hostname = hostname
        self.sshkey = sshkey
        self.password = password
        self.name = name
        self.get_option = plugin.get_option
        self.shellwidget = IPythonShellWidget(config=self.shellwidget_config(),
                                              local_kernel=False)
        self.shellwidget.hide()
        self.infowidget = WebView(self)
        self.menu_actions = menu_actions
        self.history_filename = get_conf_path(history_filename)
        self.history = []
        self.namespacebrowser = None
        
        self.set_infowidget_font()
        self.loading_page = self._create_loading_page()
        self.infowidget.setHtml(self.loading_page)
        
        vlayout = QVBoxLayout()
        toolbar_buttons = self.get_toolbar_buttons()
        hlayout = QHBoxLayout()
        for button in toolbar_buttons:
            hlayout.addWidget(button)
        vlayout.addLayout(hlayout)
        vlayout.setContentsMargins(0, 0, 0, 0)
        vlayout.addWidget(self.shellwidget)
        vlayout.addWidget(self.infowidget)
        self.setLayout(vlayout)
        
        self.exit_callback = lambda: plugin.close_client(client=self)
        
    #------ Public API --------------------------------------------------------
    def show_shellwidget(self, give_focus=True):
        """Show shellwidget and configure it"""
        self.infowidget.hide()
        self.shellwidget.show()
        self.infowidget.setHtml(BLANK)
        if give_focus:
            self.get_control().setFocus()
        
        # Connect shellwidget to the client
        self.shellwidget.set_ipyclient(self)
        
        # To save history
        self.shellwidget.executing.connect(self.add_to_history)
        
        # For Mayavi to run correctly
        self.shellwidget.executing.connect(self.set_backend_for_mayavi)
        
        # To update history after execution
        self.shellwidget.executed.connect(self.update_history)
        
        # To update the Variable Explorer after execution
        self.shellwidget.executed.connect(self.auto_refresh_namespacebrowser)
        
        # To show a stop button, when executing a process
        self.shellwidget.executing.connect(self.enable_stop_button)
        
        # To hide a stop button after execution stopped
        self.shellwidget.executed.connect(self.disable_stop_button)
    
    def enable_stop_button(self):
        self.stop_button.setEnabled(True)
   
    def disable_stop_button(self):
        self.stop_button.setDisabled(True)

    @Slot()
    def stop_button_click_handler(self):
        """Method to handle what to do when the stop button is pressed"""
        self.stop_button.setDisabled(True)
        # Interrupt computations or stop debugging
        if not self.shellwidget._reading:
            self.interrupt_kernel()
        else:
            self.shellwidget.write_to_stdin('exit')
#.........这里部分代码省略.........

class IPythonClient(QWidget, SaveHistoryMixin):
    """
    IPython client or frontend for Spyder

    This is a widget composed of a shell widget (i.e. RichIPythonWidget
    + our additions = IPythonShellWidget) and an WebView info widget to 
    print kernel error and other messages.
    """
    
    SEPARATOR = '%s##---(%s)---' % (os.linesep*2, time.ctime())
    
    def __init__(self, plugin, history_filename, connection_file=None,
                 kernel_widget_id=None, menu_actions=None):
        super(IPythonClient, self).__init__(plugin)
        SaveHistoryMixin.__init__(self)
        self.options_button = None

        self.connection_file = connection_file
        self.kernel_widget_id = kernel_widget_id
        self.name = ''
        self.shellwidget = IPythonShellWidget(config=plugin.ipywidget_config(),
                                              local_kernel=False)
        self.shellwidget.hide()
        self.infowidget = WebView(self)
        self.menu_actions = menu_actions
        self.history_filename = get_conf_path(history_filename)
        self.history = []
        self.namespacebrowser = None
        
        self.set_infowidget_font()
        self.loading_page = self._create_loading_page()
        self.infowidget.setHtml(self.loading_page)
        
        vlayout = QVBoxLayout()
        toolbar_buttons = self.get_toolbar_buttons()
        hlayout = QHBoxLayout()
        for button in toolbar_buttons:
            hlayout.addWidget(button)
        vlayout.addLayout(hlayout)
        vlayout.setContentsMargins(0, 0, 0, 0)
        vlayout.addWidget(self.shellwidget)
        vlayout.addWidget(self.infowidget)
        self.setLayout(vlayout)
        
        self.exit_callback = lambda: plugin.close_console(client=self)
        
    #------ Public API --------------------------------------------------------
    def show_shellwidget(self):
        """Show shellwidget and configure it"""
        self.infowidget.hide()
        self.shellwidget.show()
        self.infowidget.setHtml(BLANK)
        self.get_control().setFocus()
        
        # Connect shellwidget to the client
        self.shellwidget.set_ipyclient(self)
        
        # To save history
        self.shellwidget.executing.connect(
                                      lambda c: self.add_to_history(command=c))
        
        # To update history after execution
        self.shellwidget.executed.connect(self.update_history)
        
        # To update the Variable Explorer after execution
        self.shellwidget.executed.connect(self.auto_refresh_namespacebrowser)
    
    def show_kernel_error(self, error):
        """Show kernel initialization errors in the client"""
        # Remove explanation about how to kill the kernel
        # (doesn't apply to us)
        error = error.split('issues/2049')[-1]
        error = error.replace('\n', '<br>')
        # Remove unneeded blank lines at the beginning
        while error.startswith('<br>'):
            error = error[4:]
        # Remove connection message
        if error.startswith('To connect another client') or \
          error.startswith('[IPKernelApp] To connect another client'):
            error = error.split('<br>')
            error = '<br>'.join(error[2:])
        # Don't break lines in hyphens
        # From http://stackoverflow.com/q/7691569/438386
        error = error.replace('-', '&#8209')
            
        message = _("An error ocurred while starting the kernel!")
        kernel_error_template = Template(KERNEL_ERROR)
        page = kernel_error_template.substitute(css_path=CSS_PATH,
                                                message=message,
                                                error=error)
        self.infowidget.setHtml(page)
    
    def show_restart_animation(self):
        self.shellwidget.hide()
        self.infowidget.setHtml(self.loading_page)
        self.infowidget.show()
    
    def get_name(self):
        """Return client name"""
        return _("Console") + " " + self.name
#.........这里部分代码省略.........