From 102460ac788a7307391852115d8f142e6e5c3cdd Mon Sep 17 00:00:00 2001
From: Radek Czajka <rczajka@rczajka.pl>
Date: Wed, 10 Apr 2024 13:03:46 +0200
Subject: [PATCH] Fundraising in PDF.

---
 src/librarian/pdf.py          | 27 ++++++++++++++++++++++++++-
 src/librarian/pdf/wl.cls      |  1 +
 src/librarian/pdf/wl2tex.xslt | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/src/librarian/pdf.py b/src/librarian/pdf.py
index 94d14cf..e5cf5bd 100644
--- a/src/librarian/pdf.py
+++ b/src/librarian/pdf.py
@@ -188,6 +188,29 @@ def hack_motifs(doc):
                 break
 
 
+def add_fundraising(doc, fundraising):
+    # Before each naglowek_rozdzial and naglowek_scena and in the end
+    spots = []
+    for naglowek in doc.xpath('//naglowek_czesc|//naglowek_akt'):
+        spot = etree.Element('f_spot')
+        naglowek.addprevious(spot)
+        spots.append(spot)
+    spot = etree.Element('f_spot')
+    doc.getroot()[-1][-1].append(spot)
+    spots.append(spot)
+    e = len(spots)
+    nfunds = len(fundraising)
+    if e > 4 * nfunds:
+        nfunds *= 2
+    for f in range(nfunds):
+        spot_index = int(f / nfunds * e)
+        spots[spot_index].set('active', 'true')
+        elem = etree.fromstring('<f_spot>' + fundraising[f % len(fundraising)] + '</f_spot>')
+        spots[spot_index].text = elem.text
+        for c in elem:
+            spots[spot_index].append(c)
+
+
 def parse_creator(doc):
     """Generates readable versions of creator and translator tags.
 
@@ -242,7 +265,7 @@ def package_available(package, args='', verbose=False):
 
 def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
               cover=None, flags=None, customizations=None, base_url='file://./',
-              latex_dir=False):
+              latex_dir=False, fundraising=None):
     """ produces a PDF file with XeLaTeX
 
     wldoc: a WLDocument
@@ -305,6 +328,8 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
             root.set('thanks', document.book_info.thanks)
 
         # hack the tree
+        if fundraising:
+            add_fundraising(document.edoc, fundraising)
         move_motifs_inside(document.edoc)
         hack_motifs(document.edoc)
         parse_creator(document.edoc)
diff --git a/src/librarian/pdf/wl.cls b/src/librarian/pdf/wl.cls
index aa6abc2..d2eac63 100644
--- a/src/librarian/pdf/wl.cls
+++ b/src/librarian/pdf/wl.cls
@@ -722,6 +722,7 @@ Letters={Uppercase}
 \par{\emph{#1}}%
 }
 
+\usepackage{framed}
 \usepackage{intcalc}
 \usepackage{color}
 \definecolor{gray}{RGB}{200,200,200}
diff --git a/src/librarian/pdf/wl2tex.xslt b/src/librarian/pdf/wl2tex.xslt
index bb61d10..ab189e0 100644
--- a/src/librarian/pdf/wl2tex.xslt
+++ b/src/librarian/pdf/wl2tex.xslt
@@ -678,4 +678,39 @@
 </xsl:template>
 
 
+
+<xsl:template match="f_spot">
+  <xsl:if test="@active">
+    <cmd name="clearpage"/>
+    <cmd name="thispagestyle"><parm>empty</parm></cmd>
+    <cmd name="vspace*"><parm><cmd name="fill"/></parm></cmd>
+    <env name="center">
+      <env name="framed">
+        <cmd name="vspace*"><parm>2em</parm></cmd>
+        <cmd name="Large"><parm>
+          <xsl:apply-templates mode="fspot"/>
+        </parm></cmd>
+        <cmd name="vspace*"><parm>2em</parm></cmd>
+      </env>
+    </env>
+    <cmd name="vspace*"><parm><cmd name="fill"/></parm></cmd>
+  </xsl:if>
+</xsl:template>
+<xsl:template match="br" mode="fspot">
+  <TeXML escape="0">
+    \\
+  </TeXML>
+</xsl:template>
+<xsl:template match="text()" mode="fspot">
+  <xsl:value-of select="." />
+</xsl:template>
+<xsl:template match="a" mode="fspot">
+  <TeXML escape="0">\href{<xsl:value-of select="@href" />}{<TeXML escape="1"><xsl:apply-templates mode="fspot" /></TeXML>}</TeXML>
+</xsl:template>
+<xsl:template match="nbsp" mode="fspot">
+  <spec cat="tilde" />
+</xsl:template>
+
+
+
 </xsl:stylesheet>
-- 
2.20.1