initial commit

gluon/contrib/pyrtf/Styles.py

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+"""
+A Styles is a collection of PropertySets that can be applied to a particular RTF element.
+
+At present there are only two, Text and Paragraph but ListStyles will be added soon too.
+
+
+"""
+
+from PropertySets import *
+
+class TextStyle :
+    def __init__( self, text_props, name=None, shading_props=None ) :
+        self.SetTextPropertySet   ( text_props    )
+        self.SetName              ( name          )
+        self.SetShadingPropertySet( shading_props )
+
+    def Copy( self ) :
+        return deepcopy( self )
+
+    def SetName( self, value ) :
+        self.Name = value
+        return self
+
+    def SetTextPropertySet( self, value ) :
+        assert isinstance( value, TextPropertySet )
+        self.TextPropertySet = value
+        return self
+
+    def SetShadingPropertySet( self, value ) :
+        assert value is None or isinstance( value, ShadingPropertySet )
+        self.ShadingPropertySet = value or ShadingPropertySet()
+        return self
+
+class ParagraphStyle :
+    def __init__( self, name, text_style, paragraph_props=None, frame_props=None, shading_props=None ) :
+
+        #   A style must have Font and a Font Size but the Text property set doesn't
+        #   make these mandatory so that they can be used for overrides so at this point
+        #   we need to make sure that that we have these values set
+        if not text_style.TextPropertySet.Font : raise Exception( 'Paragraph Styles must have a Font specified.'      )
+        if not text_style.TextPropertySet.Size : raise Exception( 'Paragraph Styles must have a Font Size specified.' )
+
+        self.SetName                ( name            )
+        self.SetTextStyle           ( text_style      )
+        self.SetParagraphPropertySet( paragraph_props )
+        self.SetFramePropertySet    ( frame_props     )
+        self.SetShadingPropertySet  ( shading_props   )
+
+        self.SetBasedOn( None )
+        self.SetNext   ( None )
+
+    def Copy( self ) :
+        return deepcopy( self )
+
+    def SetName( self, value ) :
+        self.Name = value
+        return self
+
+    def SetTextStyle( self, value ) :
+        assert isinstance( value, TextStyle )
+        self.TextStyle = value
+        return self
+
+    def SetParagraphPropertySet( self, value ) :
+        assert value is None or isinstance( value, ParagraphPropertySet )
+        self.ParagraphPropertySet = value or ParagraphPropertySet()
+        return self
+
+    def SetFramePropertySet( self, value ) :
+        assert value is None or isinstance( value, FramePropertySet )
+        self.FramePropertySet = value or FramePropertySet()
+        return self
+
+    def SetShadingPropertySet( self, value ) :
+        """Set the background shading for the paragraph."""
+
+        assert value is None or isinstance( value, ShadingPropertySet )
+        self.ShadingPropertySet = value or ShadingPropertySet()
+        return self
+
+    def SetBasedOn( self, value ) :
+        """Set the Paragraph Style that this one is based on."""
+
+        assert not value or isinstance( value, ParagraphStyle )
+        self.BasedOn = value
+        return self
+
+    def SetNext( self, value ) :
+        """Set the Paragraph Style that should follow this one."""
+
+        assert not value or isinstance( value, ParagraphStyle )
+        self.Next    = value
+        return self
+