odevzdavatko/forms.py

@@ -89,6 +89,13 @@ class NahrajReseniForm(forms.ModelForm):
 		if 'problem' in self.fields:
 			self.fields['problem'].label = "Všechny řešené problémy"
 
+	def clean_problem(self):
+		problem = self.cleaned_data.get('problem')
+		for p in problem:
+			if p.stav != m.Problem.STAV_ZADANY:
+				raise forms.ValidationError("Problém " + str(p) + " již nelze řešit!")
+		return problem
+
 ReseniSPrilohamiFormSet = inlineformset_factory(m.Reseni,m.PrilohaReseni, 
 		form = NahrajReseniForm,
 		fields = ('soubor','res_poznamka'),

odevzdavatko/templates/odevzdavatko/nahraj_reseni.html

@@ -30,6 +30,13 @@
         {{ field }}
       </td>
     </tr>
+
+    {% if field.errors %}
+      <tr>
+        <td colspan="2"><span class="field-error">{{ field.errors }}</span></td>
+      </tr>
+    {% endif %}
+
     {% endwith %}
   </table>
 
@@ -54,6 +61,13 @@
           {{ field }}
         </td>
       </tr>
+
+      {% if field.errors %}
+        <tr>
+          <td colspan="2"><span class="field-error">{{ field.errors }}</span></td>
+        </tr>
+      {% endif %}
+
     {% endwith %}
   </table>
 
@@ -61,6 +75,8 @@
 
 {% include "odevzdavatko/prilohy.html" %}
 
+{{form.non_field_errors}}
+
 <hr>
 <h4>Odevzdat řešení</h4>
 <input type="submit" value="Odevzdat">