3b7c00377f
Apply Black formatter to the entire codebase for consistent code style. Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>
92 lines
2.6 KiB
Python
92 lines
2.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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文件选择器组件
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提供文件/目录选择功能的组合组件。
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"""
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import tkinter as tk
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from tkinter import filedialog, ttk
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from typing import Optional, Callable
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class FileSelector(ttk.Frame):
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"""文件选择器组件"""
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def __init__(
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self,
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parent,
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label_text: str = "",
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file_type: str = "file",
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file_types: list = None,
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initial_dir: str = "",
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on_change: Optional[Callable] = None,
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):
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"""
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初始化文件选择器
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Args:
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parent: 父容器
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label_text: 标签文本
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file_type: 选择类型 ('file' 或 'directory')
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file_types: 文件类型过滤器，如 [("Excel", "*.xlsx")]
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initial_dir: 初始目录
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on_change: 值改变时的回调函数
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"""
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super().__init__(parent)
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self.file_type = file_type
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self.file_types = file_types or [("所有文件", "*.*")]
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self.initial_dir = initial_dir
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self.on_change = on_change
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# 创建标签
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if label_text:
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self.label = ttk.Label(self, text=label_text)
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self.label.grid(row=0, column=0, sticky="w", padx=(0, 5))
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# 创建输入框
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self.entry_var = tk.StringVar()
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self.entry = ttk.Entry(self, textvariable=self.entry_var, width=50)
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self.entry.grid(row=0, column=1, sticky="ew", padx=5)
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# 创建浏览按钮
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self.browse_button = ttk.Button(self, text="浏览...", command=self._browse)
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self.browse_button.grid(row=0, column=2, padx=5)
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# 配置列权重
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self.columnconfigure(1, weight=1)
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def _browse(self) -> None:
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"""打开文件/目录选择对话框"""
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current_path = self.entry_var.get() or self.initial_dir
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if self.file_type == "file":
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path = filedialog.askopenfilename(
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title="选择文件", initialdir=current_path, filetypes=self.file_types
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)
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else: # directory
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path = filedialog.askdirectory(title="选择目录", initialdir=current_path)
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if path:
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self.entry_var.set(path)
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if self.on_change:
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self.on_change(path)
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def get(self) -> str:
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"""获取当前选择的路径"""
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return self.entry_var.get()
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def set(self, path: str) -> None:
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"""设置路径"""
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self.entry_var.set(path)
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def clear(self) -> None:
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"""清空路径"""
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self.entry_var.set("")
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def is_empty(self) -> bool:
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"""检查是否为空"""
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return not self.entry_var.get()
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