From 6d5b2d6e8adbf9b6806f80f5b7e85b1bfc42b04f Mon Sep 17 00:00:00 2001
From: kthoden <kthoden@mpiwg-berlin.mpg.de>
Date: Tue, 22 Jun 2021 19:39:34 +0200
Subject: [PATCH] Implement info box in EPUB

---
 src/data/epub_files/eoa-epub-core.css | 12 ++++++++++
 src/imxml2epub.py                     | 32 +++++++++++++++++++++++++--
 2 files changed, 42 insertions(+), 2 deletions(-)

diff --git a/src/data/epub_files/eoa-epub-core.css b/src/data/epub_files/eoa-epub-core.css
index c507d5d..9652cc3 100644
--- a/src/data/epub_files/eoa-epub-core.css
+++ b/src/data/epub_files/eoa-epub-core.css
@@ -45,4 +45,16 @@ span.red {
   color: red;
 }
 
+.box {
+  background-color: #eee;
+  padding-bottom: .1px;
+  padding-top: .1px
+}
+
+.box * {
+  margin-left: 30px;
+  margin-right: 30px
+}
+
+
 $FONTFACESPEC
diff --git a/src/imxml2epub.py b/src/imxml2epub.py
index 97da7e9..b71df10 100755
--- a/src/imxml2epub.py
+++ b/src/imxml2epub.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8; mode: python -*-
-# Time-stamp: <2021-04-23 09:58:44 (kthoden)>
+# Time-stamp: <2021-06-22 19:31:21 (kthoden)>
 
 """ Convert a customized DocBook XML file into a set of files that
 constitute the contents of an EPUB file.
@@ -778,6 +778,31 @@ def add_css_snippet(css_snippet, css_file):
     logging.info("Found a divider.")
     xmlParagraph.text = "*"
 
+logging.info(f"{logseparator}Preparing Info Boxes")
+for xmlChapter in xmlChapters:
+    box_heads = xmlChapter.xpath(".//*[@style='boxhead']")
+    for box in box_heads:
+        box_constituents = list()
+        box.tag = "b"
+        del box.attrib["style"]
+        box_constituents.append(box)
+        div_element = etree.Element("boxdiv")
+        div_element.set("class", "box")
+        box.addprevious(div_element)
+
+        following_elements = box.xpath("./following-sibling::*")
+
+        for fol in following_elements:
+            folstyle = fol.get("style")
+            if folstyle == None or folstyle != "box":
+                break
+            else:
+                del fol.attrib["style"]
+                box_constituents.append(fol)
+
+        for consti in box_constituents:
+            div_element.append(consti)
+
 logging.info(f"{logseparator}Preparing Figures")
 xmlFigures = xmlEbookTree.xpath(".//EOAfigure[not(contains(@type,'hionly'))]")
 logging.info("Found %s figures", len(xmlFigures))
@@ -1424,7 +1449,6 @@ class FootnoteError(Exception):
         else:
             xml_verse.set("class", "verse")
 
-
 logging.info(f"{logseparator}Preparing Equations")
 for xmlChapter in xmlChapters:
     xmlEquations = xmlChapter.findall(".//EOAequation")
@@ -1939,6 +1963,10 @@ class FootnoteError(Exception):
 etree.strip_attributes(xmlEbookTree, "id-text", "noindent", "type", "label", "spacebefore", "rend", "hielement", "corresp") # also contained "id"
 etree.strip_elements(xmlEbookTree, "citekey", "originalcontents", "elementtoberemoved", with_tail=False)
 
+infoboxes = xmlEbookTree.findall("//boxdiv")
+for infobox in infoboxes:
+    infobox.tag = "div"
+
 logging.info("Write every Part and Chapter into one file")
 xmlChapters = xmlEbookTree.findall("//div1")
 listParts = []