Implement exam selection feature with HTMX support in exam edit view and add exam selection fragment template

templates/generic/partials/exam_select_fragment.html

@@ -0,0 +1,23 @@
+<div class="card">
+  <div class="card-body">
+    <form hx-post="{% url 'generic:generic_exam_json_edit' %}" hx-target="#action-result" hx-swap="innerHTML">
+      <input type="hidden" name="type" value="{{ type }}" />
+      <div class="mb-2">
+        <label for="id_exam_id">Choose exam</label>
+        <select name="exam_id" id="id_exam_id" class="form-select form-select-sm">
+          {% for ex in exams %}
+            <option value="{{ ex.pk }}">{{ ex.name }}</option>
+          {% endfor %}
+        </select>
+      </div>
+      <div class="mb-2">
+        <label>Selected questions</label>
+        <div class="selected-placeholder small text-muted">(will be taken from selected checkboxes)</div>
+      </div>
+      <div class="d-flex gap-2">
+        <button class="btn btn-primary btn-sm" type="submit" name="add_from_selection">Add selected</button>
+        <button class="btn btn-secondary btn-sm" type="button" onclick="document.querySelector('#action-result').innerHTML='';">Cancel</button>
+      </div>
+    </form>
+  </div>
+</div>

templates/question_table_view.html

@@ -21,9 +21,9 @@
                         </div>
                         <div class="btn-group" role="group">
                             <button id="button-select-add-exam" class="btn btn-outline-primary btn-sm"
-                                    data-exam_json_edit_url="{% url 'generic:generic_exam_json_edit' %}"
-                                    data-exam_list_url="{% url 'api-1:'|add:app_name|add:'_user_exams' %}"
-                                    data-type={{app_name}} data-csrf="{{ csrf_token }}">Add to exam</button>
+                                    hx-get="{% url 'generic:generic_exam_json_edit' %}?type={{ app_name }}"
+                                    hx-target="#action-result"
+                                    hx-swap="innerHTML">Add to exam</button>
                         </div>
                     </div>
                 </div>