def onAutoIndentTriggered(self):
        """Indent current line or selected lines
        """
        cursor = self._qpart.textCursor()

        startBlock = self._qpart.document().findBlock(cursor.selectionStart())
        endBlock = self._qpart.document().findBlock(cursor.selectionEnd())

        if startBlock != endBlock:  # indent multiply lines
            stopBlock = endBlock.next()

            block = startBlock

            with self._qpart:
                while block != stopBlock:
                    self.autoIndentBlock(block, '')
                    block = block.next()
        else:  # indent 1 line
            self.autoIndentBlock(startBlock, '')
def draw(self, context):
        layout = self.layout

        input_prefs = context.user_preferences.inputs

        is_view3d = context.space_data.type == 'VIEW_3D'

        layout.prop(input_prefs, "ndof_sensitivity")
        layout.prop(input_prefs, "ndof_orbit_sensitivity")
        layout.prop(input_prefs, "ndof_deadzone")

        if is_view3d:
            layout.separator()
            layout.prop(input_prefs, "ndof_show_guide")

            layout.separator()
            layout.label(text="Orbit style")
            layout.row().prop(input_prefs, "ndof_view_navigate_method", text="")
            layout.row().prop(input_prefs, "ndof_view_rotate_method", text="")
            layout.separator()
            layout.label(text="Orbit options")
            layout.prop(input_prefs, "ndof_rotx_invert_axis")
            layout.prop(input_prefs, "ndof_roty_invert_axis")
            layout.prop(input_prefs, "ndof_rotz_invert_axis")

        # view2d use pan/zoom
        layout.separator()
        layout.label(text="Pan options")
        layout.prop(input_prefs, "ndof_panx_invert_axis")
        layout.prop(input_prefs, "ndof_pany_invert_axis")
        layout.prop(input_prefs, "ndof_panz_invert_axis")
        layout.prop(input_prefs, "ndof_pan_yz_swap_axis")

        layout.label(text="Zoom options")
        layout.prop(input_prefs, "ndof_zoom_invert")

        if is_view3d:
            layout.separator()
            layout.label(text="Fly/Walk options")
            layout.prop(input_prefs, "ndof_fly_helicopter", icon='NDOF_FLY')
            layout.prop(input_prefs, "ndof_lock_horizon", icon='NDOF_DOM')