使用reportlab将图表和表格列表添加到目录

时间:2012-05-30 19:14:04

标签: python reportlab tableofcontents

我是最新的reportlab和django,标准的platypus TOC和'TOCEntry'的通知对我的文档非常有用。

我现在正在尝试在目录中添加2个部分:“数据列表”和“表格列表”。由于文档中的可流动性h1,h2,表格,图像等可以按任何顺序出现,我似乎无法将2个列表与主TOC分开。理想情况下,我希望有类似的东西:

Table of Content:

Heading1
  Sub1
  Sub2
Heading2
  Sub3
  Sub4
  Sub5

List of Figures:
  Figure1
  Figure2

List of Tables:
  Table1
  Table2

据我了解,'TOCEntry'是查找的标签,并且使用AfterFlowable最终将所有flowable放入与实际文档中所示相同的顺序。这不是我想要的。任何有关让TOC看起来有点像上述描述的指示都将受到高度赞赏。

1 个答案:

答案 0 :(得分:3)

我认为最简单的方法是将TOC子类化,并在docTemplate中为它们添加afterFlowable捕获器。

class MyDocTemplate(BaseDocTemplate):  
     def __init__(self, filename, **kw):  
         self.allowSplitting = 0  
         apply(BaseDocTemplate.__init__, (self, filename), kw)  
         template = PageTemplate('normal', [Frame(1*inch, 1*inch, 6.5*inch, 9.5*inch, id='F1')])
         self.addPageTemplates(template)  

     def afterFlowable(self, flowable):  
         "Registers TOC entries."  
         if flowable.__class__.__name__ == 'Paragraph':  
             text = flowable.getPlainText()  
             style = flowable.style.name  

             if style == 'reportHeading1':
                 toc_el = [ 0, text, self.page ] # basic elements
                 toc_bm = getattr(flowable, '_bookmarkName', None) # bookmark for links
                 if toc_bm: 
                     toc_el.append( toc_bm )
                 self.notify('TOCEntry', tuple(toc_el) )

             elif style == 'reportHeading2':  
                 toc_el = [ 1, text, self.page ] # basic elements
                 toc_bm = getattr(flowable, '_bookmarkName', None) # bookmark for links
                 if toc_bm: 
                     toc_el.append( toc_bm )
                 self.notify('TOCEntry', tuple(toc_el) )

             elif style == 'TableTitleStyle':
                 toc_el = [ 1, text, self.page ] # basic elements
                 toc_bm = getattr(flowable, '_bookmarkName', None) # bookmark for links
                 if toc_bm: 
                     toc_el.append( toc_bm )
                 self.notify('TOCTable', tuple(toc_el) )

             elif style == 'GraphicTitleStyle':
                 toc_el = [ 1, text, self.page ] # basic elements
                 toc_bm = getattr(flowable, '_bookmarkName', None) # bookmark for links
                 if toc_bm: 
                     toc_el.append( toc_bm )
                 self.notify('TOCFigure', tuple(toc_el) )

图形和表格的二级内容表:

class ListOfFigures(TableOfContents):
    def notify(self, kind, stuff):
        """ The notification hook called to register all kinds of events.
            Here we are interested in 'Figure' events only.
        """
        if kind == 'TOCFigure':
            self.addEntry(*stuff)


class ListOfTables(TableOfContents):
    def notify(self, kind, stuff):
        """ The notification hook called to register all kinds of events.
            Here we are interested in 'Table' events only.
        """
        if kind == 'TOCTable':
            self.addEntry(*stuff)

然后最后在doc生成过程中。我会在标准TOC之后添加ListOfTables和ListOfFigures的实例,看它们在实际的pdf中有点相关。