--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/xhtml2fo.py	Tue Sep 01 18:45:50 2009 +0200
@@ -0,0 +1,142 @@
+from cubicweb.utils import can_do_pdf_conversion
+assert can_do_pdf_conversion()
+
+from xml.etree.ElementTree import QName, fromstring
+from pysixt.standard.xhtml_xslfo.transformer import XHTML2FOTransformer
+from pysixt.utils.xslfo.standard import cm
+from pysixt.utils.xslfo import SimplePageMaster
+from pysixt.standard.xhtml_xslfo.default_styling import default_styles
+from pysixt.standard.xhtml_xslfo import XHTML_NS
+
+
+class ReportTransformer(XHTML2FOTransformer):
+    """
+    Class transforming an XHTML input tree into a FO document
+    displaying reports (one report for each <div class="contentmain">
+    element in the input tree.
+    """
+
+    def __init__(self, section,
+                 page_width=21.0, page_height=29.7,
+                 margin_top=1.0, margin_bottom=1.0,
+                 margin_left=1.0, margin_right=1.0,
+                 header_footer_height=0.75,
+                 standard_font_size=11.0, default_lang=u"fr" ):
+        """
+        Initializes a transformer turning an XHTML input tree
+        containing <div class="contentmain"> elements representing
+        main content sections into a FO output tree displaying the
+        reports.
+
+        page_width: float - width of the page (in cm)
+        page_height: float - height of the page (in cm)
+        margin_top: float - top margin of the page (in cm)
+        margin_bottom: float - bottom margin of the page (in cm)
+        margin_left: float - left margin of the page (in cm)
+        margin_right: float - right margin of the page (in cm)
+        header_footer_height: float - height of the header or the footer of the
+                              page that the page number (if any) will be
+                              inserted in.
+        standard_font_size: float - standard size of the font (in pt)
+        default_lang: u"" - default language (used for hyphenation)
+        """
+        self.section = section
+        self.page_width = page_width
+        self.page_height = page_height
+
+        self.page_tmargin = margin_top
+        self.page_bmargin = margin_bottom
+        self.page_lmargin = margin_left
+        self.page_rmargin = margin_right
+
+        self.hf_height = header_footer_height
+
+        self.font_size = standard_font_size
+        self.lang = default_lang
+
+        XHTML2FOTransformer.__init__(self)
+
+
+    def define_pagemasters(self):
+        """
+        Defines the page masters for the FO output document.
+        """
+        pm = SimplePageMaster(u"page-report")
+        pm.set_page_dims( self.page_width*cm, self.page_height*cm )
+        pm.set_page_margins({u'top'   : self.page_tmargin*cm,
+                             u'bottom': self.page_bmargin*cm,
+                             u'left'  : self.page_lmargin*cm,
+                             u'right' : self.page_rmargin*cm })
+        pm.add_peripheral_region(u"end",self.hf_height)
+        dims = {}
+        dims[u"bottom"] = self.hf_height + 0.25
+        pm.set_main_region_margins(dims)
+        return [pm]
+
+    def _visit_report(self, in_elt, _out_elt, params):
+        """
+        Specific visit function for the input <div> elements whose class is
+        "report". The _root_visit method of this class selects these input
+        elements and asks the process of these elements with this specific
+        visit function.
+        """
+
+        ps = self.create_pagesequence(u"page-report")
+        props = { u"force-page-count": u"no-force",
+                  u"initial-page-number": u"1",
+                  u"format": u"1", }
+        self._output_properties(ps,props)
+
+        sc = self.create_staticcontent(ps, u"end")
+        sc_bl = self.create_block(sc)
+        attrs = { u"hyphenate": u"false", }
+        attrs[u"font-size"] = u"%.1fpt" %(self.font_size*0.7)
+        attrs[u"language"] = self.lang
+        attrs[u"text-align"] = u"center"
+        self._output_properties(sc_bl,attrs)
+        sc_bl.text = u"Page" + u" " # ### Should be localised!
+        pn = self.create_pagenumber(sc_bl)
+        pn.tail = u"/"
+        lpn = self.create_pagenumbercitation( sc_bl,
+                                              u"last-block-of-report-%d" % params[u"context_pos"]
+                                              )
+
+
+        fl = self.create_flow(ps,u"body")
+        bl = self.create_block(fl)
+
+        # Sets on the highest block element the properties of the XHTML body
+        # element. These properties (at the least the inheritable ones) will
+        # be inherited by all the future FO elements.
+        bodies = list(self.in_tree.getiterator(QName(XHTML_NS,u"body")))
+        if len(bodies) > 0:
+            attrs = self._extract_properties([bodies[0]])
+        else:
+            attrs = default_styles[u"body"].copy()
+        attrs[u"font-size"] = u"%.1fpt" %self.font_size
+        attrs[u"language"] = self.lang
+        self._output_properties(bl,attrs)
+
+        # Processes the report content
+        self._copy_text(in_elt,bl)
+        self._process_nodes(in_elt.getchildren(),bl)
+
+        # Inserts an empty block at the end of the report in order to be able
+        # to compute the last page number of this report.
+        last_bl = self.create_block(bl)
+        props = { u"keep-with-previous": u"always", }
+        props[u"id"] = u"last-block-of-report-%d" % params[u"context_pos"]
+        self._output_properties(last_bl,props)
+
+
+    def _root_visit(self):
+        """
+        Visit function called when starting the process of the input tree.
+        """
+        content = [ d for d in self.in_tree.getiterator(QName(XHTML_NS,u"div"))
+                    if d.get(u"id") == self.section ]
+        # Asks the process of the report elements with a specific visit
+        # function
+        self._process_nodes(content, self.fo_root,
+                            with_function=self._visit_report)
+