#==============================================================================
#
# Project:   SharpImage
# Module:    PathMetadata.py
# Language:  IronPython
# Author:    Dan Mueller
# Date:      $Date$
# Revision:  $Revision$
#
# Copyright (c) Queensland University of Technology (QUT) 2007.
# All rights reserved.
#
# This software is distributed WITHOUT ANY WARRANTY; without even
# the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
# PURPOSE.  See the above copyright notices for more information.
#
#==============================================================================

# Import the relevent class
import Script
from Script import *

class PathMetadataScript(ScriptObject):
    # -------------------------------------------------------------------------
    Name = "PathMetadata"
    Help = """Change the metadata for all paths attached to the input Renderer."""
    Parameters = """(Color) Color = the colour of the paths. (Color.Red)
                    (double) Width = the line width of the paths. (1.5)"""
    Renderer = None
    Color = Color.Red
    Width = 1.5
    # -------------------------------------------------------------------------

    def Initialise(self):
        """ Initialise the environment for running this script. """
        """ NOTE: This function is invoked on the main UI thread. """
        ScriptObject.Initialise( self )
        self.Renderer = self.ParentApplication.CurrentRenderer
        self.ParentApplication.SetApplicationAsReady( 0 )

    def DoWork(self):
        """ Perform the main functions of the script. """
        """ NOTE: This function is invoked on the main UI thread. """
        for dataobj in self.Renderer.Inputs:
            if ( Type.GetType("itk.itkParametricPath, ManagedITK.Common").IsInstanceOfType(dataobj) ):
                dataobj.Metadata["Color"] = self.Color
                dataobj.Metadata["Width"] = self.Width
        self.Renderer.Repaint( )

    def Finalise(self):
        """ Finalise the environment after running this script. """
        """ NOTE: This function is invoked on the main UI thread. """
        self.ParentApplication.SetApplicationAsReady( 0 )
        self.Handlers["ScriptFinalised"]()