forked from openlp/openlp
improved code readability
This commit is contained in:
parent
0afe5be99c
commit
f0d4afaaf6
@ -46,8 +46,6 @@ VERSE = u'The Lord said to {r}Noah{/r}: \n' \
|
|||||||
'r{/pk}{o}e{/o}{pp}n{/pp} of the Lord\n'
|
'r{/pk}{o}e{/o}{pp}n{/pp} of the Lord\n'
|
||||||
FOOTER = [u'Arky Arky (Unknown)', u'Public Domain', u'CCLI 123456']
|
FOOTER = [u'Arky Arky (Unknown)', u'Public Domain', u'CCLI 123456']
|
||||||
|
|
||||||
HTML_END = u'</div></body></html>'
|
|
||||||
|
|
||||||
class Renderer(object):
|
class Renderer(object):
|
||||||
"""
|
"""
|
||||||
Class to pull all Renderer interactions into one place. The plugins will
|
Class to pull all Renderer interactions into one place. The plugins will
|
||||||
@ -310,12 +308,20 @@ class Renderer(object):
|
|||||||
self.web.resize(self.page_width, self.page_height)
|
self.web.resize(self.page_width, self.page_height)
|
||||||
self.web_frame = self.web.page().mainFrame()
|
self.web_frame = self.web.page().mainFrame()
|
||||||
# Adjust width and height to account for shadow. outline done in css
|
# Adjust width and height to account for shadow. outline done in css
|
||||||
self.page_shell = u'<!DOCTYPE html><html><head><style>' \
|
html = u"""<!DOCTYPE html><html><head><script>
|
||||||
u'*{margin:0; padding:0; border:0;} '\
|
function show_text(newtext) {
|
||||||
u'#main {position:absolute; top:0px; %s %s}</style></head><body>' \
|
var main = document.getElementById('main');
|
||||||
u'<div id="main">' % \
|
main.innerHTML = newtext;
|
||||||
|
// We have to return something, otherwise the renderer does not
|
||||||
|
// work as expected.
|
||||||
|
return document.all.main.offsetHeight;
|
||||||
|
}
|
||||||
|
</script><style>*{margin:0; padding:0; border:0;}
|
||||||
|
#main {position:absolute; top:0px; %s %s}</style></head><body>
|
||||||
|
<div id="main"></div></body></html>""" % \
|
||||||
(build_lyrics_format_css(self.theme_data, self.page_width,
|
(build_lyrics_format_css(self.theme_data, self.page_width,
|
||||||
self.page_height), build_lyrics_outline_css(self.theme_data))
|
self.page_height), build_lyrics_outline_css(self.theme_data))
|
||||||
|
self.web.setHtml(html)
|
||||||
|
|
||||||
def _paginate_slide(self, lines, line_end):
|
def _paginate_slide(self, lines, line_end):
|
||||||
"""
|
"""
|
||||||
@ -334,10 +340,8 @@ class Renderer(object):
|
|||||||
previous_raw = u''
|
previous_raw = u''
|
||||||
separator = u'<br>'
|
separator = u'<br>'
|
||||||
html_lines = map(expand_tags, lines)
|
html_lines = map(expand_tags, lines)
|
||||||
html = self.page_shell + separator.join(html_lines) + HTML_END
|
|
||||||
self.web.setHtml(html)
|
|
||||||
# Text too long so go to next page.
|
# Text too long so go to next page.
|
||||||
if self.web_frame.contentsSize().height() > self.page_height:
|
if self._text_fits_on_slide(separator.join(html_lines)):
|
||||||
html_text, previous_raw = self._binary_chop(formatted,
|
html_text, previous_raw = self._binary_chop(formatted,
|
||||||
previous_html, previous_raw, html_lines, lines, separator, u'')
|
previous_html, previous_raw, html_lines, lines, separator, u'')
|
||||||
else:
|
else:
|
||||||
@ -368,27 +372,19 @@ class Renderer(object):
|
|||||||
for line in lines:
|
for line in lines:
|
||||||
line = line.strip()
|
line = line.strip()
|
||||||
html_line = expand_tags(line)
|
html_line = expand_tags(line)
|
||||||
html = self.page_shell + previous_html + html_line + HTML_END
|
|
||||||
self.web.setHtml(html)
|
|
||||||
# Text too long so go to next page.
|
# Text too long so go to next page.
|
||||||
if self.web_frame.contentsSize().height() > self.page_height:
|
if self._text_fits_on_slide(previous_html + html_line):
|
||||||
# Check if there was a verse before the current one and append
|
# Check if there was a verse before the current one and append
|
||||||
# it, when it fits on the page.
|
# it, when it fits on the page.
|
||||||
if previous_html:
|
if previous_html:
|
||||||
html = self.page_shell + previous_html + HTML_END
|
if not self._text_fits_on_slide(previous_html):
|
||||||
self.web.setHtml(html)
|
|
||||||
if self.web_frame.contentsSize().height() <= \
|
|
||||||
self.page_height:
|
|
||||||
formatted.append(previous_raw)
|
formatted.append(previous_raw)
|
||||||
previous_html = u''
|
previous_html = u''
|
||||||
previous_raw = u''
|
previous_raw = u''
|
||||||
html = self.page_shell + html_line + HTML_END
|
|
||||||
self.web.setHtml(html)
|
|
||||||
# Now check if the current verse will fit, if it does
|
# Now check if the current verse will fit, if it does
|
||||||
# not we have to start to process the verse word by
|
# not we have to start to process the verse word by
|
||||||
# word.
|
# word.
|
||||||
if self.web_frame.contentsSize().height() <= \
|
if not self._text_fits_on_slide(html_line):
|
||||||
self.page_height:
|
|
||||||
previous_html = html_line + line_end
|
previous_html = html_line + line_end
|
||||||
previous_raw = line + line_end
|
previous_raw = line + line_end
|
||||||
continue
|
continue
|
||||||
@ -445,10 +441,8 @@ class Renderer(object):
|
|||||||
highest_index = len(html_list) - 1
|
highest_index = len(html_list) - 1
|
||||||
index = int(highest_index / 2)
|
index = int(highest_index / 2)
|
||||||
while True:
|
while True:
|
||||||
html = self.page_shell + previous_html + \
|
if self._text_fits_on_slide(
|
||||||
separator.join(html_list[:index + 1]).strip() + HTML_END
|
previous_html + separator.join(html_list[:index + 1]).strip()):
|
||||||
self.web.setHtml(html)
|
|
||||||
if self.web_frame.contentsSize().height() > self.page_height:
|
|
||||||
# We know that it does not fit, so change/calculate the
|
# We know that it does not fit, so change/calculate the
|
||||||
# new index and highest_index accordingly.
|
# new index and highest_index accordingly.
|
||||||
highest_index = index
|
highest_index = index
|
||||||
@ -470,10 +464,8 @@ class Renderer(object):
|
|||||||
else:
|
else:
|
||||||
continue
|
continue
|
||||||
# Check if the remaining elements fit on the slide.
|
# Check if the remaining elements fit on the slide.
|
||||||
html = self.page_shell + \
|
if not self._text_fits_on_slide(
|
||||||
separator.join(html_list[index + 1:]).strip() + HTML_END
|
separator.join(html_list[index + 1:]).strip()):
|
||||||
self.web.setHtml(html)
|
|
||||||
if self.web_frame.contentsSize().height() <= self.page_height:
|
|
||||||
previous_html = separator.join(
|
previous_html = separator.join(
|
||||||
html_list[index + 1:]).strip() + line_end
|
html_list[index + 1:]).strip() + line_end
|
||||||
previous_raw = separator.join(
|
previous_raw = separator.join(
|
||||||
@ -489,6 +481,18 @@ class Renderer(object):
|
|||||||
index = int(highest_index / 2)
|
index = int(highest_index / 2)
|
||||||
return previous_html, previous_raw
|
return previous_html, previous_raw
|
||||||
|
|
||||||
|
def _text_fits_on_slide(self, text):
|
||||||
|
"""
|
||||||
|
Checks if the given ``text`` fits on a slide. If it does, ``True`` is
|
||||||
|
returned, otherwise ``False``.
|
||||||
|
|
||||||
|
``text``
|
||||||
|
The text to check. It can contain HTML tags.
|
||||||
|
"""
|
||||||
|
self.web_frame.evaluateJavaScript(u'show_text("%s")' %
|
||||||
|
text.replace(u'\\', u'\\\\').replace(u'\"', u'\\\"'))
|
||||||
|
return self.web_frame.contentsSize().height() > self.page_height
|
||||||
|
|
||||||
def _words_split(self, line):
|
def _words_split(self, line):
|
||||||
"""
|
"""
|
||||||
Split the slide up by word so can wrap better
|
Split the slide up by word so can wrap better
|
||||||
|
@ -188,7 +188,7 @@ class MainDisplay(QtGui.QGraphicsView):
|
|||||||
while not self.webLoaded:
|
while not self.webLoaded:
|
||||||
Receiver.send_message(u'openlp_process_events')
|
Receiver.send_message(u'openlp_process_events')
|
||||||
self.setGeometry(self.screen[u'size'])
|
self.setGeometry(self.screen[u'size'])
|
||||||
self.frame.evaluateJavaScript(u'show_text("%s")' % \
|
self.frame.evaluateJavaScript(u'show_text("%s")' %
|
||||||
slide.replace(u'\\', u'\\\\').replace(u'\"', u'\\\"'))
|
slide.replace(u'\\', u'\\\\').replace(u'\"', u'\\\"'))
|
||||||
return self.preview()
|
return self.preview()
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user