1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
# CodeQ: an online programming tutor.
# Copyright (C) 2015 UL FRI
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Hint.instantiate takes a hint object (dictionary) to be sent to the client
# and sets additional fields based on previously sent hints.
# Simple hint: don't do anything on instantiation.
class Hint(object):
hint_type = 'static'
def __init__(self, name):
self.name = name
def instantiate(self, hint, prev_hints):
pass
# Hint sequence: static type, but each time a hint is sent, increase the
# message index until the last message is reached, then repeat that.
# NOTE not used, check if we can remove this
class HintSequence(Hint):
def __init__(self, name, length):
self.name = name
self.length = length
def instantiate(self, hint, prev_hints):
index = 0
for prev_hint in prev_hints:
if prev_hint['id'] == self.name:
index = max(index, prev_hint['indices'][0]+1)
index = min(index, self.length-1)
hint['indices'] = [index]
# Popup hints: don't do anything on instantiation.
class HintPopup(Hint):
hint_type = 'popup'
def __init__(self, name, style=None):
self.name = name
self.style = style
def instantiate(self, hint, prev_hints):
if self.style is not None:
hint['style'] = self.style
|
