5 files changed, 110 insertions, 6 deletions
diff --git a/robot/problems/introduction/forward/common.py b/robot/problems/introduction/forward/common.py
index f6330fd..b3fa8a9 100644
--- a/robot/problems/introduction/forward/common.py
+++ b/robot/problems/introduction/forward/common.py
@@ -9,7 +9,6 @@ number = 1
 visible = True
 
 solution = '''\
-import time
 from ev3dev import *
 from mindstorms_widgets import mindstorms_widgets
 
@@ -48,13 +47,13 @@ def hint( code):
     if not has_token_sequence(tokens, ['move_steering']):
         return [{'id': 'moveSteering'}]
 
-    if not has_token_sequence(tokens, ['on_for_seconds']):
+    if not 'on_for_seconds' in code:
         return [{'id': 'onForSeconds'}]
     
-    if not has_token_sequence(tokens, ['direction']):
+    if not 'direction' in code:
         return [{'id': 'direction'}]
     
-    if not has_token_sequence(tokens, ['seconds']):
+    if not 'seconds' in code:
         return [{'id': 'seconds'}]
 
     return None
diff --git a/robot/problems/introduction/forward/common.py~ b/robot/problems/introduction/forward/common.py~
new file mode 100644
index 0000000..f6330fd
--- /dev/null
+++ b/robot/problems/introduction/forward/common.py~
@@ -0,0 +1,60 @@
+# coding=utf-8
+
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint, HintSequence
+
+id = 202
+number = 1
+visible = True
+
+solution = '''\
+import time
+from ev3dev import *
+from mindstorms_widgets import mindstorms_widgets
+
+robot = mindstorms_widgets()
+robot.connect_motor( 'left' )
+robot.connect_motor( 'right' )
+
+robot.move_steering( 'on_for_seconds', direction=0, seconds=3 )
+'''
+
+hint_type = {
+    'mW_init': Hint('mW_init'),
+    'connectMotorLeft': Hint('connectMotorLeft'),
+    'connectMotorRight': Hint('connectMotorRight'),
+    'moveSteering': Hint('moveSteering'),
+    'onForSeconds': Hint('onForSeconds'),
+    'direction': Hint('direction'),
+    'seconds': Hint('seconds'),
+}
+
+def hint( code):
+    tokens = get_tokens(code)
+
+    # if code does not include mindstorms_widgets(), a student gets a hint that the robot should be somehow represented in the program
+    if not has_token_sequence(tokens, ['mindstorms_widgets', '(',')']):
+        return [{'id': 'mW_init'}]
+
+    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['left']):
+        return [{'id': 'connectMotorLeft'}]
+
+    # if code does not include connect_motor statement, a student needs to learn about how to connect the motors
+    if not has_token_sequence(tokens, ['connect_motor']) and not has_token_sequence(tokens, ['right']):
+        return [{'id': 'connectMotorRight'}]
+
+    if not has_token_sequence(tokens, ['move_steering']):
+        return [{'id': 'moveSteering'}]
+
+    if not has_token_sequence(tokens, ['on_for_seconds']):
+        return [{'id': 'onForSeconds'}]
+    
+    if not has_token_sequence(tokens, ['direction']):
+        return [{'id': 'direction'}]
+    
+    if not has_token_sequence(tokens, ['seconds']):
+        return [{'id': 'seconds'}]
+
+    return None
diff --git a/robot/problems/introduction/forward/en.py~ b/robot/problems/introduction/forward/en.py~
new file mode 100644
index 0000000..4337ac5
--- /dev/null
+++ b/robot/problems/introduction/forward/en.py~
@@ -0,0 +1,20 @@
+# coding=utf-8
+import server
+mod = server.problems.load_language('python', 'en')
+
+<<<<<<< HEAD
+id = 202
+name = 'Forward 3s'
+slug = 'Forward 3s'
+=======
+name = 'Forward'
+slug = 'Forward'
+>>>>>>> 5a01c2bb184152c6ccc3c536e9b857d247bc55ad
+
+description = '''\
+<p>Write a program that would make the robot drive straight forward for 3 seconds and stop</p>
+'''
+
+hint = {
+    
+}
diff --git a/robot/problems/introduction/forward/sl.py b/robot/problems/introduction/forward/sl.py
index 837380b..a6f7e86 100644
--- a/robot/problems/introduction/forward/sl.py
+++ b/robot/problems/introduction/forward/sl.py
@@ -8,8 +8,10 @@ description = '''\
 
 hint = {
     'mW_init':['''<p>Robota v programu predstavimo z mindstorms_widgets(): <code>robot = mindstorms_widgets()</code>.</p>'''],
-    'connectMotorLeft':['''<p>Robotu moramo priključiti levi motor: <code>robot.connect_motor( 'left' )</code>.</p>'''],
-    'connectMotorRight':['''<p>Robotu moramo priključiti desni motor: <code>robot.connect_motor( 'right' )</code>.</p>'''],
+    'connectMotorLeft':['''<p>Robotu priključi levi motor</p>''',
+                 '''<p><code>robot.connect_motor( 'left' )</code>.</p>'''],
+    'connectMotorRight':['''<p>Robotu priključi desni motor</p>''',
+                 '''<p><code>robot.connect_motor( 'right' )</code>.</p>'''],
     'moveSteering':['''<p>Sinhroniziraj motorja in ju zaženi za 3 sekunde.</p>''',
                     '''<p>Za sinhronizirano vožnjo je najbolj primerna metoda <code>robot.move_steering( ... )</code>.</p>'''],
     'onForSeconds':['''<p>Prvi argument metode <code>robot.move_steering</code> naj pove, da bo delovanje motorjev časovno omejeno.</p>''',
diff --git a/robot/problems/introduction/forward/sl.py~ b/robot/problems/introduction/forward/sl.py~
new file mode 100644
index 0000000..a6f7e86
--- /dev/null
+++ b/robot/problems/introduction/forward/sl.py~
@@ -0,0 +1,23 @@
+# coding=utf-8
+
+name = 'Naprej 3s'
+slug = 'Naprej 3s'
+
+description = '''\
+<p>Napiši program, da bo robot peljal naravnost naprej 3 sekunde in se nato ustavil.</p>'''
+
+hint = {
+    'mW_init':['''<p>Robota v programu predstavimo z mindstorms_widgets(): <code>robot = mindstorms_widgets()</code>.</p>'''],
+    'connectMotorLeft':['''<p>Robotu priključi levi motor</p>''',
+                 '''<p><code>robot.connect_motor( 'left' )</code>.</p>'''],
+    'connectMotorRight':['''<p>Robotu priključi desni motor</p>''',
+                 '''<p><code>robot.connect_motor( 'right' )</code>.</p>'''],
+    'moveSteering':['''<p>Sinhroniziraj motorja in ju zaženi za 3 sekunde.</p>''',
+                    '''<p>Za sinhronizirano vožnjo je najbolj primerna metoda <code>robot.move_steering( ... )</code>.</p>'''],
+    'onForSeconds':['''<p>Prvi argument metode <code>robot.move_steering</code> naj pove, da bo delovanje motorjev časovno omejeno.</p>''',
+                    '''<p><code>robot.move_steering('on_for_seconds', ... )</code>.</p>'''],
+    'direction':['''<p>Navedi smer premikanja motorjev, naravnost = 0.</p>''',
+                    '''<p><code>robot.move_steering( 'on_for_seconds', direction=0, ... )</code>.</p>'''],
+    'seconds':['''<p>Napiši časovno omejitev v sekundah.</p>''',
+                    '''<p><code>robot.move_steering( 'on_for_seconds', direction=0, seconds=3 )</code>.</p>'''],
+}