X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/8495b2ce8e9aebe778db74217b60fb68c0b5f9f2..23d025c8875cca1404f274aca7170c9db5e980e7:/src/librarian/covers/widgets/author.py

diff --git a/src/librarian/covers/widgets/author.py b/src/librarian/covers/widgets/author.py
index 786204c..381b7af 100644
--- a/src/librarian/covers/widgets/author.py
+++ b/src/librarian/covers/widgets/author.py
@@ -1,7 +1,10 @@
+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
 import PIL.ImageFont
 from librarian import get_resource
 from librarian.cover import Metric
-from ..utils.textbox import TextBox, split_words
+from ..utils.textbox import TextBox, DoesNotFit, split_words
 from .base import Widget
 
 
@@ -18,84 +21,121 @@ class AuthorBox(Widget):
         author_font = PIL.ImageFont.truetype(
             get_resource('fonts/SourceSans3VF-Roman.ttf'),
             self.m.font_size,
-            layout_engine=PIL.ImageFont.LAYOUT_BASIC
+            layout_engine=PIL.ImageFont.Layout.BASIC
         )
         author_font.set_variation_by_axes([600])
 
         translator_font = PIL.ImageFont.truetype(
             get_resource('fonts/SourceSans3VF-Roman.ttf'),
             self.m.font_size,
-            layout_engine=PIL.ImageFont.LAYOUT_BASIC
+            layout_engine=PIL.ImageFont.Layout.BASIC
         )
         translator_font.set_variation_by_axes([400])
 
         authors = [a.readable() for a in self.cover.book_info.authors]
         translators = [a.readable() for a in self.cover.book_info.translators]
-        if authors and translators:
-            author_str = ', '.join(authors)
-            translator_str = '(tłum. ' + ', '.join(translators) + ')'
-            # just print
-            parts = [author_str, translator_str]
-
-            self.textboxes = [
-                TextBox(
-                    self.width,
-                    self.m.leading * 2,
-                    [author_str],
-                    author_font,
-                    1,
-                    self.m.leading,
-                    0,
-                    1, 0
-                ),
-                TextBox(
-                    self.width,
-                    self.m.leading * 2,
-                    [translator_str],
-                    translator_font,
-                    1,
-                    self.m.leading,
-                    0,
-                    1, 0
-                )
-            ]
+        self.textboxes = []
 
-        else:
-            assert authors
-            if len(authors) == 2:
-                parts = authors
-            elif len(authors) > 2:
-                parts = [author + ',' for author in authors[:-1]] + [authors[-1]]
-            else:
-                parts = split_words(authors[0])
+        if authors and translators:
+            # Try with two boxes.
 
-            try:
-                self.textboxes = [
-                    TextBox(
+            authors_shortened = False
+            author_box = None
+            while author_box is None:
+                author_str = ', '.join(authors)
+                if authors_shortened:
+                    # translate!
+                    author_str += ' i in.'
+                try:
+                    author_box = TextBox(
                         self.width,
                         self.m.leading * 2,
-                        parts,
+                        [author_str],
                         author_font,
-                        2,
+                        1,
                         self.m.leading,
                         0,
                         1, 0
                     )
-                ]
-            except:
-                self.textboxes = [
-                    TextBox(
+                except DoesNotFit:
+                    authors.pop()
+                    authors_shortened = True
+
+            translators_shortened = False
+            translator_box = None
+            while translator_box is None:
+                translator_str = '(tłum. ' + ', '.join(translators)
+                if translators_shortened:
+                    translator_str += ' i in.'
+                translator_str += ')'
+                try:
+                    translator_box = TextBox(
                         self.width,
                         self.m.leading * 2,
-                        parts,
-                        author_font,
+                        [translator_str],
+                        translator_font,
                         1,
                         self.m.leading,
                         0,
                         1, 0
                     )
-                ]
-        self.margin_top = self.textboxes[0].margin_top
+                except DoesNotFit:
+                    translators.pop()
+                    translators_shortened = True
+
+            self.textboxes = [
+                author_box,
+                translator_box
+            ]
+
+        elif authors:
+            author_box = None
+            shortened = False
+            while author_box is None:
+                if not shortened and len(authors) == 2:
+                    parts = authors
+                elif len(authors) > 2:
+                    parts = [author + ',' for author in authors[:-1]] + [authors[-1]]
+                    if shortened:
+                        parts.append('i in.')
+                else:
+                    parts = split_words(authors[0])
+                    if shortened:
+                        parts.append('i in.')
+
+                try:
+                    if len(parts) > 1:
+                        # Author in two lines.
+                        author_box = TextBox(
+                            self.width,
+                            self.m.leading * 2,
+                            parts,
+                            author_font,
+                            2,
+                            self.m.leading,
+                            0,
+                            1, 0
+                        )
+                    else:
+                        # author in one line.
+                        author_box = TextBox(
+                            self.width,
+                            self.m.leading * 2,
+                            parts,
+                            author_font,
+                            1,
+                            self.m.leading,
+                            0,
+                            1, 0
+                        )
+                except DoesNotFit:
+                    authors.pop()
+                    shortened = True
+
+            self.textboxes = [author_box]
+
+        if self.textboxes:
+            self.margin_top = self.textboxes[0].margin_top
 
     def build(self, w, h):
         img = PIL.Image.new('RGBA', (self.width, self.m.leading * 2))