def _browse_level(type, levels, level, index):
df = definitionBuilder.Definition()
_navigation_path(df, type, levels, level, index)
if level is not None:
# _sl(df)
lnk, label = _level_link(type, levels, level, index)
# df.TextElement(label)
df.setTitle("eBooks by %s (%s)" % (type, label))
else:
df.setTitle("eBooks by %s" % type)
df.LineBreakElement()
if level is None:
sublevel = 0
start_index = 0
end_index = len(levels[0])
else:
sublevel = level + 1
sub_power = levels[sublevel][0][3]
start_index = int(math.floor(float(levels[level][index][2]) / sub_power))
end_index = start_index + int(math.floor(float(levels[level][index][3] - sub_power * start_index - 1)/sub_power)) + 1
subs = levels[sublevel]
for i in range(start_index, end_index):
lnk, label = _level_link(type, levels, sublevel, i)
df.BulletElement(False)
df.TextElement(label, link = lnk)
if level is None:
cnt = subs[i][3] - subs[i][2]
df.TextElement(" (%s books)" % numPretty(cnt))
df.PopParentElement()
df.LineBreakElement()
df.LineBreakElement(1, 5)
if level is not None:
prev = False
if index != 0:
lnk, lbl = _level_link(type, levels, level, index - 1)
df.TextElement("Previous", link = lnk).setJustification(definitionBuilder.justCenter)
prev = True
if index != len(levels[level]) - 1:
if prev:
df.TextElement(" ").setJustification(definitionBuilder.justCenter)
lnk, lbl = _level_link(type, levels, level, index + 1)
df.TextElement("Next", link = lnk).setJustification(definitionBuilder.justCenter)
return df.serialize()
def _navigation_path(df, type, levels, level, index):
_home_link(df)
if level is None:
txt = "Browse by %s (%s books)" % (type, numPretty(levels[0][-1][3]))
lnk = None
else:
txt = "Browse by %s" % type
lnk = "eBook: browse: %s" % type
_sl(df)
df.TextElement(txt, link = lnk)
if level is None:
return
if level > 0:
sl = levels[level][index][0][0].upper()
# el = levels[level][index][1][0].upper()
zi = 0
for l in levels[0]:
if sl >= l[0] and sl <= l[1]:
zi = levels[0].index(l)
else:
zi = index
i = level
indexes = []
while i >= 0:
if i == level:
indexes.append(index)
elif i > 0:
ind = (indexes[-1] * levels[i + 1][0][3]) / levels[i][0][3]
indexes.append(ind)
elif 0 == i:
indexes.append(zi)
i -= 1
indexes.reverse()
for i in range(0, len(indexes)):
lnk, lbl = _level_link(type, levels, i, indexes[i])
if i == level:
lnk = None
_sl(df)
df.TextElement(lbl, link = lnk)
def _start_page():
title_levels = _levels_for(BROWSE_TITLE)
author_levels = _levels_for(BROWSE_AUTHOR)
total_books = title_levels[0][len(title_levels[0]) - 1][3]
df = definitionBuilder.Definition()
df.setTitle("eBooks - Home")
df.TextElement("%s eBooks available. " % numPretty(total_books))
df.TextElement("Search", link = "eBook:search")
df.TextElement(" or browse ")
df.TextElement("by author", link = "eBook: browse: %s" % (BROWSE_AUTHOR))
df.TextElement(" or ")
df.TextElement("by title", link = "eBook: browse: %s" % (BROWSE_TITLE))
df.TextElement(".")
df.LineBreakElement()
df.LineBreakElement(1, 5).setJustification(definitionBuilder.justCenter)
df.TextElement("Browse by author").setJustification(definitionBuilder.justCenter)
df.LineBreakElement().setJustification(definitionBuilder.justCenter)
for i in range(0, len(author_levels[0])):
lnk, label = _level_link(BROWSE_AUTHOR, author_levels, 0, i)
df.TextElement(label, link = lnk).setJustification(definitionBuilder.justCenter)
if i != len(author_levels[0]) - 1:
_dot(df).setJustification(definitionBuilder.justCenter)
df.LineBreakElement().setJustification(definitionBuilder.justCenter)
df.LineBreakElement(1, 5).setJustification(definitionBuilder.justCenter)
df.TextElement("Browse by title").setJustification(definitionBuilder.justCenter)
df.LineBreakElement().setJustification(definitionBuilder.justCenter)
for i in range(0, len(title_levels[0])):
lnk, label = _level_link(BROWSE_TITLE, title_levels, 0, i)
df.TextElement(label, link = lnk).setJustification(definitionBuilder.justCenter)
if i != len(title_levels[0]) - 1:
_dot(df).setJustification(definitionBuilder.justCenter)
df.LineBreakElement().setJustification(definitionBuilder.justCenter)
df.LineBreakElement(1, 5)
df.TextElement("Manage ")
df.TextElement("downloaded books", link = "eBook: manage")
df.TextElement(".")
return df.serialize()
