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@mokocat

django-bootstrap-modal-formsプラグインを使ったTodoアプリ

Last updated at Posted at 2020-03-22

概要

DjangoのCreateView、UpdateViewでBootstrapのModalフォームを使ったサンプルアプリを作りました。
”django-bootstrap-modal-forms”というプラグインの”BSModalCreateView”、”BSModalUpdateView”を使っています。
日本語のリファレンスや、小さい規模のサンプルアプリが見つからなかったので、まとめておきました。

環境

Python 3.8.0
Django 3.0.4
Bootstrap 4.1.3
プラグイン：django-bootstrap-modal-forms

インストール

  1. django-bootstrap-modal-formsプラグインのインストール
pip install django-bootstrap-modal-forms==1.5.0
  1. django-widget-tweaksのインストール
pip install django-widget-tweaks==1.4.5

やり方

settings.pyの編集

# myproject/myproject/settings.py  
INSTALLED_APPS = [
    ~
    'bootstrap_modal_forms',
    'widget_tweaks'
]

使用するModel

# mypeoject/myapp/models.py
import datetime
from django.db import models


class TodoItem(models.Model):
    item = models.CharField(max_length=50)
    item_date = models.DateField(default=datetime.date.today)
    user = models.ForeignKey(
        'auth.User',
        on_delete=models.CASCADE
    )

    def __str__(self):
        return self.item

forms.pyの編集

# mypeoject/myapp/forms.py
from bootstrap_modal_forms.forms import BSModalForm
from modalform.models import TodoItem


class CreateUpdateTodoItemForm(BSModalForm):
    class Meta:
        model = TodoItem
        fields = ['item', 'item_date']

views.pyの編集

# mypeoject/myapp/views.py
from bootstrap_modal_forms.generic import BSModalCreateView, BSModalUpdateView
from modalform.forms import CreateUpdateTodoItemForm
from modalform.models import TodoItem


def show_todo_items(request):
    all_items = TodoItem.objects.filter(user=request.user)
    return render(request, 'show_todo_items.html', {'all_items': all_items})


class CreateTodoItemFormView(BSModalCreateView):
    template_name = 'create_modal_form.html'
    form_class = CreateUpdateTodoItemForm
    success_message = 'Success: Item was created.'
    success_url = reverse_lazy('show_todo_items')

    def form_valid(self, form):
        form.instance.user_id = self.request.user.id
        return super(CreateTodoItemFormView, self).form_valid(form)


class UpdateTodoItemFormView(BSModalUpdateView):
    model = TodoItem
    template_name = 'update_modal_form.html'
    form_class = CreateUpdateTodoItemForm
    success_message = 'Success: Item was updated.'
    success_url = reverse_lazy('show_todo_items')


def delete_todo_item(request, todo_id):
    item = TodoItem.objects.get(pk=todo_id)
    item.delete()
    messages.success(request, ('Deleted successfully!'))
    return redirect('show_todo_items')

urls.pyの編集

from django.urls import path
from modalform import views

urlpatterns = [
    path('', views.show_todo_items, name='show_todo_items'),
    path('create_todo_item/', views.CreateTodoItemFormView.as_view(), name='create_todo_item'),
    path('update_todo_item/<int:pk>', views.UpdateTodoItemFormView.as_view(), name='update_todo_item'),
    path('delete_todo_item/<todo_id>', views.delete_todo_item, name='delete_todo_item'),
]

template(html)の作成

show_todo_items.htmlの作成

{% extends 'base.html' %}
{% load static %}
~
{% block content %}
    <!-- Todo追加フォーム -->
    <form class="form-inline my-2 my-lg-0" method="POST" enctype="multipart/form-data">
        {% csrf_token %}
        <button type="button" class="create_item bg-light rounded" data-id="{% url 'create_todo_item' %}"><span class="fa fa-pencil">Itemの登録</span></button>
    </form><br>

    <!-- modal  -->
    <div class="modal fade" tabindex="-1" role="dialog" id="modal">
        <div class="modal-dialog" role="document">
            <div class="modal-content"></div>
        </div>
    </div>

    <!-- TodoListテーブルの表示 -->
    {% if all_items %}
        <table class="table table-bordered tablesorter-bootstrap" id="recipe-table">
        <thead>
            <tr class="table-primary">
                <th style="text-align: center;">Item</th>
                <th style="text-align: center;">Date</th>
                <th style="text-align: center;">Edit</th>
                <th style="text-align: center;">Delete</th>
            </tr>
        </thead>
            <tbody>
            {% for i in all_items %}
                    <tr class="table-info">
                        <td style="text-align: center;">{{ i.item }}</td>
                        <td style="text-align: center;">{{ i.item_date|date:"n/j D" }}</td>
                        <td style="text-align: center;">
                            <button type="button" class="update_item bg-light rounded" data-id="{% url 'update_todo_item' i.pk %}"><span class="fa fa-pencil">Edit</span></button>
                        </td>
                        <td style="text-align: center;">
                            <button type="button" class="bg-light rounded"><a href="{% url 'delete_todo_item' i.id %}"><span class="fa fa-pencil">×</span></a></button>
                        </td>
                    </tr>
            {% endfor %}
            </tbody>
        </table>
    {% endif %}

<script type="text/javascript">

    {# Create Item Modal Form #}
    $(function () {
        $(".create_item").each(function () {
            $(this).modalForm({formURL: $(this).data('id')});
        });
    });
    {# Update Item Modal Form #}
    $(function () {
        $(".update_item").each(function () {
            $(this).modalForm({formURL: $(this).data('id')});
        });
    });
</script>
{% endblock content %}

create_modal_form.htmlの作成

{% load widget_tweaks %}

<form method="post" action="" autocomplete="off">
  {% csrf_token %}
  <div class="modal-header">
    <h3 class="modal-title">Create Item</h3>
    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
      <span aria-hidden="true">&times;</span>
    </button>
  </div>

  <div class="modal-body">
    <div class="{% if form.non_field_errors %}invalid{% endif %} mb-2">
      {% for error in form.non_field_errors %}
        {{ error }}
      {% endfor %}
    </div>

    {% for field in form %}
      <div class="form-group">
        <label for="{{ field.id_for_label }}">{{ field.label }}</label>
        {% render_field field class="form-control" placeholder=field.label %}
        <div class="{% if field.errors %} invalid{% endif %}">
          {% for error in field.errors %}
            <p class="help-block">{{ error }}</p>
          {% endfor %}
        </div>
      </div>
    {% endfor %}
  </div>

  <div class="modal-footer">
    <button type="button" class="btn btn-outline-secondary my-2 my-sm-0" data-dismiss="modal">Close</button>
    <button id="create" class="btn btn-outline-secondary my-2 my-sm-0" type="submit">Save</button>
  </div>

</form>

<script type="text/javascript">
    $('#id_item_date').datepicker({
        dateFormat: 'yy-mm-dd',
        autocomplete: "off"
    })
</script>

※この例では、日付の表示にdatepickerを使っています。
　フォームのidは"id_field名"で自動的に割り当てられます

update_modal_form.htmlの作成

{% load widget_tweaks %}

<form method="post" action="" autocomplete="off">
  {% csrf_token %}
  <div class="modal-header">
    <h3 class="modal-title">Update Item</h3>
    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
      <span aria-hidden="true">&times;</span>
    </button>
  </div>

  <div class="modal-body">
    <div class="{% if form.non_field_errors %}invalid{% endif %} mb-2">
      {% for error in form.non_field_errors %}
        {{ error }}
      {% endfor %}
    </div>

    {% for field in form %}
      <div class="form-group">
        <label for="{{ field.id_for_label }}">{{ field.label }}</label>
        {% render_field field class="form-control" placeholder=field.label %}
        <div class="{% if field.errors %} invalid{% endif %}">
          {% for error in field.errors %}
            <p class="help-block">{{ error }}</p>
          {% endfor %}
        </div>
      </div>
    {% endfor %}
  </div>

  <div class="modal-footer">
    <button type="button" class="btn btn-outline-secondary my-2 my-sm-0" data-dismiss="modal">Close</button>
    <button id="update" class="btn btn-outline-secondary my-2 my-sm-0" type="submit">Update</button>
  </div>

</form>

<script type="text/javascript">
    $('#id_item_date').datepicker({
        dateFormat: 'yy-mm-dd',
        autocomplete: "off"
    })
</script>

※create_modal_form.htmlとほぼ同じです。
　モーダルタイトルをCreate Item→Update Item、ボタンをupdate→saveに修正しただけです。

Github

サンプルアプリのコードはGithubにアップしています。
Readmeにデモ動画も載せているので、以下のページを見てもらえると分かりやすいと思います。
Githubのページ

まとめ

プラグインdjango-bootstrap-modal-formsを使った、bootstrap4のmodalのCreateView、UpdateViewフォームの作り方を紹介しました。

Djangoでモーダルフォームを使ったサンプルが中々見つけられなかったので、参考にしていただければと思います。

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