pycufsm.jupyter_notebooks.gui_widgets
=====================================

.. py:module:: pycufsm.jupyter_notebooks.gui_widgets


Classes
-------

.. autoapisummary::

   pycufsm.jupyter_notebooks.gui_widgets.Preprocess


Functions
---------

.. autoapisummary::

   pycufsm.jupyter_notebooks.gui_widgets.prevals


Module Contents
---------------

.. py:function:: prevals() -> Tuple[numpy.ndarray, numpy.ndarray, numpy.ndarray, numpy.ndarray, numpy.ndarray, List[int]]

   Returns default material, node, element, spring, constraint, and flag values.

   Returns:
       Tuple of (props, nodes, elements, springs, constraints, flag).


.. py:class:: Preprocess

   Widget-based preprocessor for cross-section geometry input in Jupyter notebooks.


   .. py:attribute:: m
      :value: 0



   .. py:attribute:: n
      :value: 0



   .. py:attribute:: e
      :value: 0



   .. py:attribute:: nodes


   .. py:attribute:: elements


   .. py:attribute:: props


   .. py:attribute:: springs


   .. py:attribute:: constraints


   .. py:attribute:: flag
      :value: []



   .. py:attribute:: mitems
      :value: []



   .. py:attribute:: nitems
      :value: []



   .. py:attribute:: eitems
      :value: []



   .. py:attribute:: add_mat_btn
      :value: None



   .. py:attribute:: del_mat_btn
      :value: None



   .. py:attribute:: add_node_btn
      :value: None



   .. py:attribute:: del_node_btn
      :value: None



   .. py:attribute:: add_elem_btn
      :value: None



   .. py:attribute:: del_elem_btn
      :value: None



   .. py:attribute:: submit_btn
      :value: None



   .. py:attribute:: bc_widget
      :value: None



   .. py:attribute:: neigs
      :value: None



   .. py:attribute:: rowm
      :value: None



   .. py:attribute:: rnode
      :value: None



   .. py:attribute:: relem
      :value: None



   .. py:attribute:: rflag
      :value: None



   .. py:attribute:: r_bc
      :value: None



   .. py:attribute:: cs
      :value: None



   .. py:attribute:: page
      :value: None



   .. py:attribute:: row1
      :value: None



   .. py:attribute:: row
      :value: None



   .. py:attribute:: row0
      :value: None



   .. py:attribute:: b_c
      :value: None



   .. py:attribute:: flags
      :value: None



   .. py:method:: wprops(m: int) -> Tuple[ipywidgets.VBox, ipywidgets.Button, ipywidgets.Button, list]

      Builds the material properties widget panel.

      Args:
          m: Number of materials.

      Returns:
          Tuple of (panel widget, add button, delete button, material item list).



   .. py:method:: wnodes(nodes, n)

      Builds the nodes widget panel.

      Args:
          nodes: Array of node data.
          n: Number of nodes.

      Returns:
          Tuple of (panel widget, add button, delete button, node item list).



   .. py:method:: welems(elements, e)

      Builds the elements widget panel.

      Args:
          elements: Array of element data.
          e: Number of elements.

      Returns:
          Tuple of (panel widget, add button, delete button, element item list).



   .. py:method:: wflag(flag)

      Builds the plot options widget panel.

      Args:
          flag: List of flag values (0 or 1) for each plot option.

      Returns:
          Tuple of (panel widget, submit button, flag checkbox list).



   .. py:method:: w_bound_cond()

      Builds the boundary conditions widget panel.

      Returns:
          Tuple of (panel widget, dropdown widget, eigenvalue count widget).



   .. py:method:: assemble()

      Assembles all sub-panels into the main page widget and wires button callbacks.



   .. py:method:: add_material()

      Adds a new material row to the materials panel.



   .. py:method:: del_material()

      Removes the last material row from the materials panel.



   .. py:method:: add_node()

      Adds a new node row to the nodes panel.



   .. py:method:: del_node()

      Removes the last node row from the nodes panel.



   .. py:method:: add_elem()

      Adds a new element row to the elements panel.



   .. py:method:: del_elem()

      Removes the last element row from the elements panel.



   .. py:method:: submit()

      Reads all widget values, updates stored arrays, and redraws the cross-section.



   .. py:method:: run(m, n, e, props, nodes, elements, springs, constraints, flag)

      Initializes and displays the full preprocessor UI.

      Args:
          m: Number of materials.
          n: Number of nodes.
          e: Number of elements.
          props: Array of material properties.
          nodes: Array of node data.
          elements: Array of element data.
          springs: Array of spring data.
          constraints: Array of constraint data.
          flag: List of plot option flags.

      Returns:
          Tuple of updated (props, nodes, elements).