h-1.flet.3/components/master_editor.py

340 lines
12 KiB
Python

"""
マスタ編集コンポーネント
再利用可能な顧客・商品・伝票マスタ編集機能
"""
import flet as ft
import sqlite3
import logging
from datetime import datetime
from typing import List, Dict, Optional, Callable
class MasterEditor:
"""マスタ編集コンポーネントのベースクラス"""
def __init__(
self,
page: ft.Page,
title: str = "マスタ編集",
table_name: str = "",
fields: List[Dict] = None,
data: List[Dict] = None,
on_save: Optional[Callable] = None,
on_delete: Optional[Callable] = None
):
self.page = page
self.title_text = title
self.table_name = table_name
self.fields = fields or []
self.data = data or []
self.on_save = on_save
self.on_delete = on_delete
# UI部品
self.form_fields = ft.Column([], spacing=10)
self.data_list = ft.Column([], scroll=ft.ScrollMode.AUTO, height=200)
# ボタン群
self.save_btn = ft.Button("保存", on_click=self.save_data, bgcolor=ft.Colors.GREEN, color=ft.Colors.WHITE)
self.add_btn = ft.Button("追加", on_click=self.add_new, bgcolor=ft.Colors.BLUE, color=ft.Colors.WHITE)
self.delete_btn = ft.Button("削除", on_click=self.delete_selected, bgcolor=ft.Colors.RED, color=ft.Colors.WHITE)
self._build_form()
self._load_data()
def _build_form(self):
"""入力フォームを構築"""
self.form_fields.controls.clear()
for field in self.fields:
field_control = ft.TextField(
label=field['label'],
value=field.get('value', ''),
width=field.get('width', 200),
keyboard_type=field.get('keyboard_type', ft.KeyboardType.TEXT)
)
self.form_fields.controls.append(field_control)
self.page.update()
def _load_data(self):
"""データを読み込む"""
try:
conn = sqlite3.connect('sales.db')
cursor = conn.cursor()
cursor.execute(f'''
SELECT * FROM {self.table_name}
ORDER BY id
''')
self.data = cursor.fetchall()
conn.close()
# データリストを更新
self.data_list.controls.clear()
for item in self.data:
item_id = item[0]
item_data = dict(zip([col[0] for col in cursor.description], item))
# データ行
row_controls = []
for field in self.fields:
field_name = field['name']
value = item_data.get(field_name, '')
row_controls.append(
ft.Text(f"{field['label']}: {value}", size=12)
)
# 操作ボタン
row_controls.extend([
ft.Button(
"編集",
on_click=lambda _, did=item_id: self.edit_item(item_id),
bgcolor=ft.Colors.ORANGE,
color=ft.Colors.WHITE,
width=60
),
ft.Button(
"削除",
on_click=lambda _, did=item_id: self.delete_item(item_id),
bgcolor=ft.Colors.RED,
color=ft.Colors.WHITE,
width=60
)
])
# データカード
data_card = ft.Card(
content=ft.Container(
content=ft.Column(row_controls),
padding=10
),
margin=ft.margin.only(bottom=5)
)
self.data_list.controls.append(data_card)
self.page.update()
except Exception as e:
logging.error(f"{self.table_name}データ読込エラー: {e}")
def save_data(self, e):
"""データを保存"""
try:
# フォームデータを収集
form_data = {}
for i, field in enumerate(self.fields):
field_control = self.form_fields.controls[i]
form_data[field['name']] = field_control.value
# データベースに保存
conn = sqlite3.connect('sales.db')
cursor = conn.cursor()
if self.data and len(self.data) > 0:
# 更新
cursor.execute(f'''
UPDATE {self.table_name}
SET {', '.join([f"{key} = ?" for key in form_data.keys()])}
WHERE id = ?
''', tuple(form_data.values()) + (self.data[0][0],))
else:
# 新規追加
columns = ', '.join([field['name'] for field in self.fields])
placeholders = ', '.join(['?' for _ in self.fields])
cursor.execute(f'''
INSERT INTO {self.table_name} ({columns})
VALUES ({placeholders})
''', tuple(form_data.values()))
conn.commit()
conn.close()
# コールバック実行
if self.on_save:
self.on_save(form_data)
# データ再読み込み
self._load_data()
logging.info(f"{self.table_name}データ保存完了")
except Exception as e:
logging.error(f"{self.table_name}データ保存エラー: {e}")
def add_new(self, e):
"""新規データを追加"""
# 空のデータを作成
empty_data = {field['name']: '' for field in self.fields}
# データベースに保存
conn = sqlite3.connect('sales.db')
cursor = conn.cursor()
columns = ', '.join([field['name'] for field in self.fields])
placeholders = ', '.join(['?' for _ in self.fields])
cursor.execute(f'''
INSERT INTO {self.table_name} ({columns})
VALUES ({placeholders})
''', tuple(empty_data.values()))
conn.commit()
conn.close()
# データ再読み込み
self._load_data()
# コールバック実行
if self.on_save:
self.on_save(empty_data)
logging.info(f"{self.table_name}新規追加完了")
def edit_item(self, item_id):
"""データを編集"""
try:
conn = sqlite3.connect('sales.db')
cursor = conn.cursor()
cursor.execute(f'''
SELECT * FROM {self.table_name}
WHERE id = ?
''', (item_id,))
result = cursor.fetchone()
conn.close()
if result:
# フォームにデータを設定
for i, field in enumerate(self.fields):
field_control = self.form_fields.controls[i]
field_control.value = result[i+1] if i+1 < len(result) else ''
self.page.update()
logging.info(f"{self.table_name}編集モード: ID={item_id}")
except Exception as e:
logging.error(f"{self.table_name}編集エラー: {e}")
def delete_item(self, item_id):
"""データを削除"""
try:
conn = sqlite3.connect('sales.db')
cursor = conn.cursor()
cursor.execute(f'''
DELETE FROM {self.table_name}
WHERE id = ?
''', (item_id,))
conn.commit()
conn.close()
# データ再読み込み
self._load_data()
# コールバック実行
if self.on_delete:
self.on_delete(item_id)
logging.info(f"{self.table_name}削除完了: ID={item_id}")
except Exception as e:
logging.error(f"{self.table_name}削除エラー: {e}")
def build(self):
"""UIを構築して返す"""
return ft.Column([
ft.Text(self.title_text, size=24, weight=ft.FontWeight.BOLD, color=ft.Colors.BLUE_900),
ft.Divider(),
ft.Text("入力フォーム", size=18, weight=ft.FontWeight.BOLD),
self.form_fields,
ft.Row([self.add_btn, self.save_btn, self.delete_btn], spacing=10),
ft.Divider(),
ft.Text(f"{self.table_name}一覧", size=18, weight=ft.FontWeight.BOLD),
self.data_list
], expand=True, spacing=15)
class CustomerMasterEditor(MasterEditor):
"""顧客マスタ編集"""
def __init__(self, page: ft.Page, on_save: Optional[Callable] = None, on_delete: Optional[Callable] = None):
super().__init__(
page=page,
title="顧客マスタ",
table_name="customers",
fields=[
{'name': 'name', 'label': '顧客名', 'width': 200},
{'name': 'phone', 'label': '電話番号', 'width': 200},
{'name': 'email', 'label': 'メールアドレス', 'width': 250},
{'name': 'address', 'label': '住所', 'width': 300}
],
on_save=on_save,
on_delete=on_delete
)
class ProductMasterEditor(MasterEditor):
"""商品マスタ編集"""
def __init__(self, page: ft.Page, on_save: Optional[Callable] = None, on_delete: Optional[Callable] = None):
super().__init__(
page=page,
title="商品マスタ",
table_name="products",
fields=[
{'name': 'name', 'label': '商品名', 'width': 200},
{'name': 'category', 'label': 'カテゴリ', 'width': 150},
{'name': 'price', 'label': '価格', 'width': 100, 'keyboard_type': ft.KeyboardType.NUMBER},
{'name': 'stock', 'label': '在庫数', 'width': 100, 'keyboard_type': ft.KeyboardType.NUMBER}
],
on_save=on_save,
on_delete=on_delete
)
class SalesSlipMasterEditor(MasterEditor):
"""伝票マスタ編集"""
def __init__(self, page: ft.Page, on_save: Optional[Callable] = None, on_delete: Optional[Callable] = None):
super().__init__(
page=page,
title="伝票マスタ",
table_name="sales_slips",
fields=[
{'name': 'title', 'label': '伝票タイトル', 'width': 300},
{'name': 'customer_name', 'label': '顧客名', 'width': 200},
{'name': 'items', 'label': '明細', 'width': 400, 'keyboard_type': ft.KeyboardType.MULTILINE},
{'name': 'total_amount', 'label': '合計金額', 'width': 150, 'keyboard_type': ft.KeyboardType.NUMBER}
],
on_save=on_save,
on_delete=on_delete
)
# 使用例
def create_customer_master(page: ft.Page) -> CustomerMasterEditor:
"""顧客マスタ編集画面を作成"""
return CustomerMasterEditor(
page=page,
on_save=lambda data: print(f"顧客保存: {data['name']}"),
on_delete=lambda item_id: print(f"顧客削除: {item_id}")
)
def create_product_master(page: ft.Page) -> ProductMasterEditor:
"""商品マスタ編集画面を作成"""
return ProductMasterEditor(
page=page,
on_save=lambda data: print(f"商品保存: {data['name']}"),
on_delete=lambda item_id: print(f"商品削除: {item_id}")
)
def create_sales_slip_master(page: ft.Page) -> SalesSlipMasterEditor:
"""伝票マスタ編集画面を作成"""
return SalesSlipMasterEditor(
page=page,
on_save=lambda data: print(f"伝票保存: {data['title']}"),
on_delete=lambda item_id: print(f"伝票削除: {item_id}")
)