| 1 | """ |
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| 2 | A Styles is a collection of PropertySets that can be applied to a particular RTF element. |
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| 3 | |
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| 4 | At present there are only two, Text and Paragraph but ListStyles will be added soon too. |
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| 5 | |
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| 6 | |
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| 7 | """ |
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| 8 | |
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| 9 | from .PropertySets import * |
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| 10 | |
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| 11 | class TextStyle : |
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| 12 | def __init__( self, text_props, name=None, shading_props=None ) : |
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| 13 | self.SetTextPropertySet ( text_props ) |
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| 14 | self.SetName ( name ) |
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| 15 | self.SetShadingPropertySet( shading_props ) |
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| 16 | |
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| 17 | def Copy( self ) : |
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| 18 | return deepcopy( self ) |
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| 19 | |
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| 20 | def SetName( self, value ) : |
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| 21 | self.Name = value |
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| 22 | return self |
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| 23 | |
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| 24 | def SetTextPropertySet( self, value ) : |
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| 25 | assert isinstance( value, TextPropertySet ) |
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| 26 | self.TextPropertySet = value |
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| 27 | return self |
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| 28 | |
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| 29 | def SetShadingPropertySet( self, value ) : |
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| 30 | assert value is None or isinstance( value, ShadingPropertySet ) |
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| 31 | self.ShadingPropertySet = value or ShadingPropertySet() |
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| 32 | return self |
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| 33 | |
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| 34 | class ParagraphStyle : |
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| 35 | def __init__( self, name, text_style, paragraph_props=None, frame_props=None, shading_props=None ) : |
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| 36 | |
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| 37 | # A style must have Font and a Font Size but the Text property set doesn't |
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| 38 | # make these mandatory so that they can be used for overrides so at this point |
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| 39 | # we need to make sure that that we have these values set |
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| 40 | if not text_style.TextPropertySet.Font : raise Exception( 'Paragraph Styles must have a Font specified.' ) |
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| 41 | if not text_style.TextPropertySet.Size : raise Exception( 'Paragraph Styles must have a Font Size specified.' ) |
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| 42 | |
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| 43 | self.SetName ( name ) |
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| 44 | self.SetTextStyle ( text_style ) |
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| 45 | self.SetParagraphPropertySet( paragraph_props ) |
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| 46 | self.SetFramePropertySet ( frame_props ) |
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| 47 | self.SetShadingPropertySet ( shading_props ) |
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| 48 | |
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| 49 | self.SetBasedOn( None ) |
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| 50 | self.SetNext ( None ) |
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| 51 | |
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| 52 | def Copy( self ) : |
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| 53 | return deepcopy( self ) |
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| 54 | |
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| 55 | def SetName( self, value ) : |
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| 56 | self.Name = value |
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| 57 | return self |
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| 58 | |
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| 59 | def SetTextStyle( self, value ) : |
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| 60 | assert isinstance( value, TextStyle ) |
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| 61 | self.TextStyle = value |
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| 62 | return self |
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| 63 | |
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| 64 | def SetParagraphPropertySet( self, value ) : |
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| 65 | assert value is None or isinstance( value, ParagraphPropertySet ) |
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| 66 | self.ParagraphPropertySet = value or ParagraphPropertySet() |
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| 67 | return self |
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| 68 | |
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| 69 | def SetFramePropertySet( self, value ) : |
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| 70 | assert value is None or isinstance( value, FramePropertySet ) |
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| 71 | self.FramePropertySet = value or FramePropertySet() |
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| 72 | return self |
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| 73 | |
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| 74 | def SetShadingPropertySet( self, value ) : |
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| 75 | """Set the background shading for the paragraph.""" |
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| 76 | |
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| 77 | assert value is None or isinstance( value, ShadingPropertySet ) |
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| 78 | self.ShadingPropertySet = value or ShadingPropertySet() |
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| 79 | return self |
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| 80 | |
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| 81 | def SetBasedOn( self, value ) : |
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| 82 | """Set the Paragraph Style that this one is based on.""" |
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| 83 | |
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| 84 | assert not value or isinstance( value, ParagraphStyle ) |
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| 85 | self.BasedOn = value |
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| 86 | return self |
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| 87 | |
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| 88 | def SetNext( self, value ) : |
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| 89 | """Set the Paragraph Style that should follow this one.""" |
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| 90 | |
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| 91 | assert not value or isinstance( value, ParagraphStyle ) |
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| 92 | self.Next = value |
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| 93 | return self |
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| 94 | |
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