.. include:: headings.inc



.. currentmodule:: dataview



.. _dataview.DataViewModelNotifier:

==========================================================================================================================================
|phoenix_title|  **DataViewModelNotifier**
==========================================================================================================================================

A :ref:`dataview.DataViewModelNotifier`  instance is owned by a :ref:`dataview.DataViewModel`  and mirrors its notification interface.          

See the documentation of that class for further information. 









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|class_hierarchy| Inheritance Diagram
=====================================

Inheritance diagram for class **DataViewModelNotifier**

.. raw:: html

   <p class="graphviz">
   <img src="_static/images/inheritance/dataview.DataViewModelNotifier_inheritance.png" alt="Inheritance diagram of DataViewModelNotifier" usemap="#dummy" class="inheritance"/>
   <map id="dummy" name="dummy"> <area shape="rect" id="node1" href="dataview.DataViewModelNotifier.html" title="A dataview.DataViewModelNotifier  instance is owned by a dataview.DataViewModel  and mirrors its notification interface." alt="" coords="5,5,192,35"/> </map> 
   </p>

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|method_summary| Methods Summary
================================

================================================================================ ================================================================================
:meth:`~DataViewModelNotifier.__init__`                                          Constructor.
:meth:`~DataViewModelNotifier.Cleared`                                           Called by owning model.
:meth:`~DataViewModelNotifier.GetOwner`                                          Get owning :ref:`dataview.DataViewModel`.
:meth:`~DataViewModelNotifier.ItemAdded`                                         Called by owning model.
:meth:`~DataViewModelNotifier.ItemChanged`                                       Called by owning model.
:meth:`~DataViewModelNotifier.ItemDeleted`                                       Called by owning model.
:meth:`~DataViewModelNotifier.ItemsAdded`                                        Called by owning model.
:meth:`~DataViewModelNotifier.ItemsChanged`                                      Called by owning model.
:meth:`~DataViewModelNotifier.ItemsDeleted`                                      Called by owning model.
:meth:`~DataViewModelNotifier.Resort`                                            Called by owning model.
:meth:`~DataViewModelNotifier.SetOwner`                                          Set owner of this notifier.
:meth:`~DataViewModelNotifier.ValueChanged`                                      Called by owning model.
================================================================================ ================================================================================


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|property_summary| Properties Summary
=====================================

================================================================================ ================================================================================
:attr:`~DataViewModelNotifier.Owner`                                             See :meth:`~DataViewModelNotifier.GetOwner` and :meth:`~DataViewModelNotifier.SetOwner`
================================================================================ ================================================================================


|


|api| Class API
===============
   

.. class:: DataViewModelNotifier(object)

   A DataViewModelNotifier instance is owned by a DataViewModel and mirrors its notification interface.
   
   **Possible constructors**::

       DataViewModelNotifier()
       



   .. method:: __init__(self)

      Constructor.                   





   .. method:: Cleared(self)

      Called by owning model.                  

      :rtype: `bool`








   .. method:: GetOwner(self)

      Get owning :ref:`dataview.DataViewModel`.                  

      :rtype: :ref:`dataview.DataViewModel`








   .. method:: ItemAdded(self, parent, item)

      Called by owning model.                  

                


      :param `parent`: 
      :type `parent`: dataview.DataViewItem
      :param `item`: 
      :type `item`: dataview.DataViewItem




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: ItemChanged(self, item)

      Called by owning model.                  

                


      :param `item`: 
      :type `item`: dataview.DataViewItem




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: ItemDeleted(self, parent, item)

      Called by owning model.                  

                


      :param `parent`: 
      :type `parent`: dataview.DataViewItem
      :param `item`: 
      :type `item`: dataview.DataViewItem




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: ItemsAdded(self, parent, items)

      Called by owning model.                  

                


      :param `parent`: 
      :type `parent`: dataview.DataViewItem
      :param `items`: 
      :type `items`: DataViewItemArray




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: ItemsChanged(self, items)

      Called by owning model.                  

                


      :param `items`: 
      :type `items`: DataViewItemArray




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: ItemsDeleted(self, parent, items)

      Called by owning model.                  

                


      :param `parent`: 
      :type `parent`: dataview.DataViewItem
      :param `items`: 
      :type `items`: DataViewItemArray




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. method:: Resort(self)

      Called by owning model.                   





   .. method:: SetOwner(self, owner)

      Set owner of this notifier.                  

      Used internally.                  


      :param `owner`: 
      :type `owner`: dataview.DataViewModel







   .. method:: ValueChanged(self, item, col)

      Called by owning model.                  

                


      :param `item`: 
      :type `item`: dataview.DataViewItem
      :param `col`: 
      :type `col`: int




      :rtype: `bool`







      :returns: 

         Always return ``True`` from this function in derived classes.   








   .. attribute:: Owner

      See :meth:`~DataViewModelNotifier.GetOwner` and :meth:`~DataViewModelNotifier.SetOwner`