Use bootstrap4 in examples

examples/auth/app.py

@@ -86,7 +86,7 @@ admin = flask_admin.Admin(
     app,
     'Example: Auth',
     base_template='my_master.html',
-    template_mode='bootstrap3',
+    template_mode='bootstrap4',
 )
 
 # Add model views

examples/forms/app.py

@@ -157,7 +157,7 @@ def index():
     return '<a href="/admin/">Click me to get to Admin!</a>'
 
 # Create admin
-admin = Admin(app, 'Example: Forms', template_mode='bootstrap3')
+admin = Admin(app, 'Example: Forms', template_mode='bootstrap4')
 
 # Add views
 admin.add_view(FileView(File, db.session))

examples/geo_alchemy/app.py

@@ -54,7 +54,7 @@ def index():
     return '<a href="/admin/">Click me to get to Admin!</a>'
 
 # Create admin
-admin = admin.Admin(app, name='Example: GeoAlchemy', template_mode='bootstrap3')
+admin = admin.Admin(app, name='Example: GeoAlchemy', template_mode='bootstrap4')
 
 # Add views
 admin.add_view(ModelView(Point, db.session, category='Points'))

examples/simple/app.py

@@ -30,7 +30,7 @@ def index():
     return '<a href="/admin/">Click me to get to Admin!</a>'
 
 # Create admin interface
-admin = admin.Admin(name="Example: Simple Views", template_mode='bootstrap3')
+admin = admin.Admin(name="Example: Simple Views", template_mode='bootstrap4')
 admin.add_view(MyAdminView(name="view1", category='Test'))
 admin.add_view(AnotherAdminView(name="view2", category='Test'))
 admin.init_app(app)

examples/sqla-association_proxy/app.py

@@ -87,7 +87,7 @@ class KeywordAdmin(sqla.ModelView):
 
 
 # Create admin
-admin = admin.Admin(app, name='Example: SQLAlchemy Association Proxy', template_mode='bootstrap3')
+admin = admin.Admin(app, name='Example: SQLAlchemy Association Proxy', template_mode='bootstrap4')
 admin.add_view(UserAdmin(User, db.session))
 admin.add_view(KeywordAdmin(Keyword, db.session))
 

examples/sqla-filter-selectable/app.py

@@ -68,7 +68,7 @@ class PersonAdmin(sqla.ModelView):
 
 # Create admin
 admin = admin.Admin(app, name='Example: SQLAlchemy - Filtered Form Selectable',
-                    template_mode='bootstrap3')
+                    template_mode='bootstrap4')
 admin.add_view(PersonAdmin(Person, db.session))
 admin.add_view(sqla.ModelView(Pet, db.session))
 

examples/sqla-hybrid_property/app.py

@@ -45,7 +45,7 @@ class ScreenAdmin(sqla.ModelView):
 
 
 # Create admin
-admin = admin.Admin(app, name='Example: SQLAlchemy2', template_mode='bootstrap3')
+admin = admin.Admin(app, name='Example: SQLAlchemy2', template_mode='bootstrap4')
 admin.add_view(ScreenAdmin(Screen, db.session))
 
 if __name__ == '__main__':

examples/sqla/app.py

@@ -144,7 +144,7 @@ class TreeView(sqla.ModelView):
 
 
 # Create admin
-admin = admin.Admin(app, name='Example: SQLAlchemy', template_mode='bootstrap3')
+admin = admin.Admin(app, name='Example: SQLAlchemy', template_mode='bootstrap4')
 
 # Add views
 admin.add_view(UserAdmin(User, db.session))

examples/sqla/app2.py

@@ -50,7 +50,7 @@ class TyreAdmin(sqla.ModelView):
     form_columns = ['car', 'tyre_id', 'desc']
 
 # Create admin
-admin = admin.Admin(app, name='Example: SQLAlchemy2', template_mode='bootstrap3')
+admin = admin.Admin(app, name='Example: SQLAlchemy2', template_mode='bootstrap4')
 admin.add_view(CarAdmin(Car, db.session))
 admin.add_view(TyreAdmin(Tyre, db.session))