286 lines
9.3 KiB
Python
286 lines
9.3 KiB
Python
"""AI 图片对话面板：输入提示 → 生成 → 显示 → 列表切换/保存/删除。"""
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from __future__ import annotations
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import os
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import tkinter as tk
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from tkinter import filedialog, messagebox
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from typing import List, Optional
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import ttkbootstrap as ttk
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from PIL import Image, ImageTk
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from app.services import ai_image as _svc
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# ---------------- 面板创建 ----------------
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def create_ai_image_panel(self):
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"""创建 AI 图片对话面板，并注册到面板管理。"""
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frame = ttk.Frame(self.content_frame)
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self.ai_image_frame = frame
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# 内部状态
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self.ai_image_records: List[_svc.AIImageRecord] = []
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self.ai_image_current: Optional[_svc.AIImageRecord] = None
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self.ai_image_photo = None # 防止 ImageTk.PhotoImage 被 GC
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self._ai_image_requesting = False
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container = ttk.Frame(frame, padding=10)
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container.pack(fill=tk.BOTH, expand=True)
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# 左列：图片列表
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left = ttk.Frame(container)
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left.pack(side=tk.LEFT, fill=tk.Y, padx=(0, 10))
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ttk.Label(left, text="历史图片", font=("微软雅黑", 10, "bold")).pack(
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anchor=tk.W, pady=(0, 4)
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)
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list_wrap = ttk.Frame(left)
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list_wrap.pack(fill=tk.Y, expand=False)
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scroll = ttk.Scrollbar(list_wrap, orient=tk.VERTICAL)
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self.ai_image_listbox = tk.Listbox(
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list_wrap,
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width=28,
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height=22,
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activestyle="dotbox",
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yscrollcommand=scroll.set,
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)
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scroll.config(command=self.ai_image_listbox.yview)
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self.ai_image_listbox.pack(side=tk.LEFT, fill=tk.Y)
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scroll.pack(side=tk.RIGHT, fill=tk.Y)
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self.ai_image_listbox.bind("<<ListboxSelect>>", lambda e: _on_list_select(self))
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btn_row = ttk.Frame(left)
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btn_row.pack(fill=tk.X, pady=(6, 0))
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ttk.Button(
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btn_row, text="保存", bootstyle="success-outline", width=8,
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command=lambda: _save_current(self),
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).pack(side=tk.LEFT, padx=(0, 4))
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ttk.Button(
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btn_row, text="删除", bootstyle="danger-outline", width=8,
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command=lambda: _delete_current(self),
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).pack(side=tk.LEFT, padx=(0, 4))
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ttk.Button(
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btn_row, text="刷新", bootstyle="secondary-outline", width=8,
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command=lambda: reload_ai_image_list(self),
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).pack(side=tk.LEFT)
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# 右列：预览 + 输入
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right = ttk.Frame(container)
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right.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
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preview_frame = ttk.LabelFrame(right, text="图片预览", padding=6)
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preview_frame.pack(fill=tk.BOTH, expand=True)
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self.ai_image_canvas = tk.Canvas(
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preview_frame, bg="#1e1e1e", highlightthickness=0
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)
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self.ai_image_canvas.pack(fill=tk.BOTH, expand=True)
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self.ai_image_canvas.bind("<Configure>", lambda e: _redraw_preview(self))
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meta_row = ttk.Frame(right)
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meta_row.pack(fill=tk.X, pady=(4, 4))
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self.ai_image_meta_var = tk.StringVar(value="未选择图片")
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ttk.Label(
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meta_row, textvariable=self.ai_image_meta_var,
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foreground="#666", font=("微软雅黑", 9),
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).pack(side=tk.LEFT)
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# 输入区
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input_frame = ttk.LabelFrame(right, text="提示输入（Ctrl+Enter 发送）", padding=6)
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input_frame.pack(fill=tk.X, pady=(4, 0))
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self.ai_image_input = tk.Text(input_frame, height=3, wrap=tk.WORD)
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self.ai_image_input.pack(fill=tk.X, side=tk.TOP)
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self.ai_image_input.bind("<Control-Return>", lambda e: (_send_prompt(self), "break"))
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send_row = ttk.Frame(input_frame)
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send_row.pack(fill=tk.X, pady=(4, 0))
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self.ai_image_status_var = tk.StringVar(value="就绪")
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ttk.Label(
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send_row, textvariable=self.ai_image_status_var,
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foreground="#888", font=("微软雅黑", 9),
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).pack(side=tk.LEFT)
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self.ai_image_send_btn = ttk.Button(
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send_row, text="发送", bootstyle="primary", width=10,
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command=lambda: _send_prompt(self),
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)
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self.ai_image_send_btn.pack(side=tk.RIGHT)
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# 注册面板
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self.register_panel("ai_image", frame, None, "ai_image_visible")
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self.ai_image_visible = False
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# 初次加载缓存
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reload_ai_image_list(self)
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def toggle_ai_image_panel(self):
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"""切换 AI 图片面板显隐。"""
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self.show_panel("ai_image")
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# ---------------- 列表 / 选中 ----------------
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def reload_ai_image_list(self):
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"""重新扫描缓存并刷新列表。"""
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self.ai_image_records = _svc.list_records()
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self.ai_image_listbox.delete(0, tk.END)
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for rec in self.ai_image_records:
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label = _format_list_label(rec)
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self.ai_image_listbox.insert(tk.END, label)
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if self.ai_image_records:
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self.ai_image_listbox.selection_clear(0, tk.END)
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self.ai_image_listbox.selection_set(0)
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self.ai_image_listbox.activate(0)
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_select_record(self, self.ai_image_records[0])
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else:
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self.ai_image_current = None
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self.ai_image_photo = None
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self.ai_image_canvas.delete("all")
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self.ai_image_meta_var.set("暂无缓存图片")
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def _format_list_label(rec: _svc.AIImageRecord) -> str:
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when = (rec.created_at or "")[:19].replace("T", " ")
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preview = (rec.prompt or "(无提示)").strip().splitlines()[0]
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if len(preview) > 18:
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preview = preview[:18] + "…"
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return f"{when} {preview}" if when else preview
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def _on_list_select(self):
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sel = self.ai_image_listbox.curselection()
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if not sel:
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return
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idx = sel[0]
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if 0 <= idx < len(self.ai_image_records):
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_select_record(self, self.ai_image_records[idx])
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def _select_record(self, rec: _svc.AIImageRecord):
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self.ai_image_current = rec
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self.ai_image_meta_var.set(
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f"{os.path.basename(rec.image_path)} | {rec.created_at}"
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)
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_redraw_preview(self)
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# ---------------- 预览绘制 ----------------
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def _redraw_preview(self):
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rec = getattr(self, "ai_image_current", None)
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canvas = self.ai_image_canvas
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canvas.delete("all")
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if rec is None or not os.path.isfile(rec.image_path):
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return
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cw = canvas.winfo_width() or 1
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ch = canvas.winfo_height() or 1
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try:
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img = Image.open(rec.image_path)
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except Exception as exc:
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canvas.create_text(cw // 2, ch // 2, text=f"加载失败: {exc}", fill="#f66")
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return
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iw, ih = img.size
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scale = min(cw / iw, ch / ih, 1.0)
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nw, nh = max(1, int(iw * scale)), max(1, int(ih * scale))
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img_resized = img.resize((nw, nh), Image.LANCZOS)
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self.ai_image_photo = ImageTk.PhotoImage(img_resized)
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canvas.create_image(cw // 2, ch // 2, image=self.ai_image_photo, anchor="center")
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# ---------------- 发送 / 保存 / 删除 ----------------
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def _send_prompt(self):
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if getattr(self, "_ai_image_requesting", False):
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return
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prompt = self.ai_image_input.get("1.0", tk.END).strip()
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if not prompt:
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messagebox.showinfo("提示", "请输入内容")
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return
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if not _svc.has_api():
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messagebox.showerror(
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"API 未配置",
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"AI 图片 API 尚未接入。\n请在启动时通过 "
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"app.services.ai_image.set_api_caller(...) 注入真实实现。",
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)
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return
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_set_requesting(self, True)
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self.ai_image_status_var.set("请求中…")
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def _success(record):
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self.root.after(0, lambda: _on_request_done(self, record, None))
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def _error(exc):
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self.root.after(0, lambda: _on_request_done(self, None, exc))
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_svc.request_image_async(prompt, on_success=_success, on_error=_error)
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def _set_requesting(self, flag: bool):
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self._ai_image_requesting = flag
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try:
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self.ai_image_send_btn.configure(state=tk.DISABLED if flag else tk.NORMAL)
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except Exception:
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pass
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def _on_request_done(self, record: Optional[_svc.AIImageRecord], exc: Optional[Exception]):
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_set_requesting(self, False)
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if exc is not None:
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self.ai_image_status_var.set(f"失败: {exc}")
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messagebox.showerror("生成失败", str(exc))
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return
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self.ai_image_status_var.set("完成")
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self.ai_image_input.delete("1.0", tk.END)
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reload_ai_image_list(self)
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# 定位到新生成项（最新在前）
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if record is not None and self.ai_image_records:
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for i, r in enumerate(self.ai_image_records):
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if r.id == record.id:
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self.ai_image_listbox.selection_clear(0, tk.END)
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self.ai_image_listbox.selection_set(i)
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self.ai_image_listbox.activate(i)
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_select_record(self, r)
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break
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def _save_current(self):
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rec = getattr(self, "ai_image_current", None)
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if rec is None:
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messagebox.showinfo("提示", "请先选择一张图片")
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return
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ext = os.path.splitext(rec.image_path)[1] or ".png"
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dest = filedialog.asksaveasfilename(
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title="另存为",
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defaultextension=ext,
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initialfile=os.path.basename(rec.image_path),
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filetypes=[("图片", "*.png;*.jpg;*.jpeg;*.bmp;*.webp"), ("所有文件", "*.*")],
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)
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if not dest:
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return
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try:
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_svc.export_record(rec, dest)
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messagebox.showinfo("成功", f"已保存到:\n{dest}")
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except Exception as exc:
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messagebox.showerror("保存失败", str(exc))
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def _delete_current(self):
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rec = getattr(self, "ai_image_current", None)
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if rec is None:
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messagebox.showinfo("提示", "请先选择一张图片")
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return
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if not messagebox.askyesno("确认删除", f"确定删除这张缓存图片吗？\n{os.path.basename(rec.image_path)}"):
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return
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_svc.delete_record(rec)
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reload_ai_image_list(self)
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