109 lines
4.3 KiB
Python
109 lines
4.3 KiB
Python
"""消息组件"""
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from textual.containers import Container, Vertical
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from textual.widgets import Static
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from textual.message import Message
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from textual.css.query import NoMatches
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from ..models.message import Message as MessageModel
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class MessageWidget(Container):
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"""单条消息组件"""
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def __init__(self, message: MessageModel, **kwargs):
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super().__init__(**kwargs)
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self._message = message
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self._show_tool_details = False
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self._content_widget = None # 保存内容组件的引用
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self._tool_details_container = None # 保存工具详情容器引用
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def compose(self):
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"""构建消息组件"""
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# 消息头
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role_emoji = "🟠" if self._message.role == "user" else "🔵"
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timestamp_str = self._message.timestamp.strftime("%H:%M:%S")
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yield Static(
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f"{role_emoji} {timestamp_str}",
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classes="message-header"
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)
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# 消息内容 - 保存引用以便后续更新
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self._content_widget = Static(
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self._message.content,
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classes="message-content"
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)
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yield self._content_widget
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# 工具调用指示器
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if self._message.tool_calls:
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tool_count = len(self._message.tool_calls)
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toggle_hint = "(F3折叠)" if self._show_tool_details else "(F3展开)"
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yield Static(
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f"[工具:{tool_count}次] {toggle_hint}",
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classes="tool-indicator"
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)
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# 工具调用详情容器 - 始终创建，但根据状态显示/隐藏
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self._tool_details_container = Vertical(classes="tool-details")
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with self._tool_details_container:
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for i, tool_call in enumerate(self._message.tool_calls, 1):
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yield Static(
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f"工具 {i}: {tool_call.name}",
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classes="tool-name"
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)
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yield Static(
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f"参数: {tool_call.arguments}",
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classes="tool-args"
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)
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# 显示执行结果
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if self._message.tool_results:
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for result in self._message.tool_results:
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if result.tool_call_id == tool_call.id:
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# 显示完整结果，不截断
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result_text = result.result
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# 如果结果太长，只显示前1000字符，但提供完整信息
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if len(result_text) > 1000:
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result_text = result_text[:1000] + f"\n... (共{len(result.result)}字符，按F3查看完整内容)"
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yield Static(
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f"结果: {result_text}",
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classes="tool-result"
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)
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# 根据状态设置初始显示/隐藏
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if not self._show_tool_details:
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self._tool_details_container.styles.display = "none"
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def update_content(self, new_content: str) -> None:
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"""更新消息内容"""
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self._message.content = new_content
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if self._content_widget:
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self._content_widget.update(new_content)
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def toggle_tool_details(self) -> None:
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"""切换工具详情显示状态"""
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if self._message.tool_calls and self._tool_details_container:
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self._show_tool_details = not self._show_tool_details
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# 切换显示/隐藏
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if self._show_tool_details:
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self._tool_details_container.styles.display = "block"
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else:
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self._tool_details_container.styles.display = "none"
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# 更新指示器文字
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self._update_indicator()
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# 刷新布局
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self.refresh(layout=True)
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def _update_indicator(self) -> None:
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"""更新工具调用指示器文字"""
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try:
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indicator = self.query_one(".tool-indicator", Static)
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tool_count = len(self._message.tool_calls)
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toggle_hint = "(F3折叠)" if self._show_tool_details else "(F3展开)"
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indicator.update(f"[工具:{tool_count}次] {toggle_hint}")
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except NoMatches:
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pass
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