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fixed bug 805088

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This commit is contained in:
Andreas Preikschat 2011-09-06 13:56:52 +02:00
parent 09d1868910
commit c7ab79f987
1 changed files with 28 additions and 7 deletions
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35
openlp/core/lib/renderer.py
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@ -31,7 +31,7 @@ from PyQt4 import QtGui, QtCore, QtWebKit
from openlp.core.lib import ServiceItem, expand_tags, \
build_lyrics_format_css, build_lyrics_outline_css, Receiver, \
ItemCapabilities
ItemCapabilities, FormattingTags
from openlp.core.lib.theme import ThemeLevel
from openlp.core.ui import MainDisplay, ScreenList
@ -377,7 +377,8 @@ class Renderer(object):
separator = u'<br>'
html_lines = map(expand_tags, lines)
# Text too long so go to next page.
if not self._text_fits_on_slide(separator.join(html_lines)):
text = separator.join(html_lines)
if not self._text_fits_on_slide(text):
html_text, previous_raw = self._binary_chop(formatted,
previous_html, previous_raw, html_lines, lines, separator, u'')
else:
@ -439,6 +440,22 @@ class Renderer(object):
log.debug(u'_paginate_slide_words - End')
return formatted
def _get_start_tags(self, text):
missing_raw_tags = []
missing_html_tags = []
for tag in FormattingTags.get_html_tags():
if tag[u'start html'] == u'<br>':
continue
if tag[u'start html'] in text:
missing_raw_tags.append((tag[u'start tag'], text.find(tag[u'start html'])))
missing_html_tags.append((tag[u'start html'], text.find(tag[u'start html'])))
elif tag[u'start tag'] in text:
missing_raw_tags.append((tag[u'start tag'], text.find(tag[u'start tag'])))
missing_html_tags.append((tag[u'start html'], text.find(tag[u'start tag'])))
missing_raw_tags.sort(key=lambda tag: tag[1])
missing_html_tags.sort(key=lambda tag: tag[1])
return u''.join(missing_raw_tags), u''.join(missing_html_tags)
def _binary_chop(self, formatted, previous_html, previous_raw, html_list,
raw_list, separator, line_end):
"""
@ -490,8 +507,10 @@ class Renderer(object):
# We found the number of words which will fit.
if smallest_index == index or highest_index == index:
index = smallest_index
formatted.append(previous_raw.rstrip(u'<br>') +
separator.join(raw_list[:index + 1]))
text = previous_raw.rstrip(u'<br>') + \
separator.join(raw_list[:index + 1])
formatted.append(text)
raw_tags, html_tags = self._get_start_tags(text)
previous_html = u''
previous_raw = u''
# Stop here as the theme line count was requested.
@ -502,17 +521,19 @@ class Renderer(object):
continue
# Check if the remaining elements fit on the slide.
if self._text_fits_on_slide(
separator.join(html_list[index + 1:]).strip()):
previous_html = separator.join(
html_tags + separator.join(html_list[index + 1:]).strip()):
previous_html = html_tags + separator.join(
html_list[index + 1:]).strip() + line_end
previous_raw = separator.join(
previous_raw = raw_tags + separator.join(
raw_list[index + 1:]).strip() + line_end
break
else:
# The remaining elements do not fit, thus reset the indexes,
# create a new list and continue.
raw_list = raw_list[index + 1:]
raw_list[0] = raw_tags + raw_list[0]
html_list = html_list[index + 1:]
html_list[0] = html_tags + html_list[0]
smallest_index = 0
highest_index = len(html_list) - 1
index = int(highest_index / 2)