def get_content(self, column_data, row_values, col_values):
        """ return the content formated as defined in the constructor or in the column object """
        value = self.value
        
        if value == None or value == False:
            return ""
        
        #should we trunc the text
        if self.truncate_length != None:
            value = c2c_helper.ellipsis(value, self.truncate_length, ellipsis="[...]")

        ps = ParagraphStyle('standard_text')
        ps.fontName = self.get_font(column_data)
        ps.fontSize = self.get_font_size(column_data)
        ps.alignment = self.get_align_code(column_data)

        
        #should we indent the content
        if self.indent != None:
            ps.leftIndent = self.indent * 2 * mm
        elif type(column_data) == TextColData and column_data.indent != None:
            ps.leftIndent = column_data.indent * 2 * mm
        
        p = Paragraph(c2c_helper.encode_entities(value), ps)
        return p
    def _add_Y_items(self):
        """ add Y items labels to the chart (Text and styles). Add also light grid for their lines """
        
        X_pos = 0
        Y_pos = 3

        #draw the items titles with the right indentation

        for i in self.data.items_order:
            
            item = self.data.items[i]
            
            ps = ParagraphStyle('indent')
            ps.fontName = self.DEFAULT_FONT
            ps.fontSize = self.DEFAULT_FONT_SIZE
            ps.leftIndent = item.indent * self.INDENT_SPACE
            
            p = Paragraph(self._encode_entities(item.label), ps)
            self.table[Y_pos + item.Y_pos][X_pos] = p
            
            #draw the inner grid for this lines 
            start_X = X_pos
            end_X = -1
            start_Y = Y_pos + item.Y_pos
            end_Y = Y_pos + item.Y_pos + item.line_number
            self.styles.append(('LINEABOVE', (start_X, end_Y), (end_X, end_Y), 0.2, "#bbbbbb"))
            self.styles.append(('LINEAFTER', (start_X, start_Y), (end_X, end_Y), 0.2, "#bbbbbb"))
            
        #line that separate the Y items and the datas
        self.styles.append(('LINEAFTER', (X_pos, Y_pos-2), (X_pos, -1), 1, colors.black))