58 lines
1.8 KiB
Python
58 lines
1.8 KiB
Python
"""Cypher查询框组件"""
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from textual.containers import Container, Horizontal
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from textual.widgets import Static, TextArea, Button
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from textual.app import ComposeResult
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from textual.message import Message
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class CypherQueryBox(Container):
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"""快捷Cypher查询输入框"""
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class ExecuteQuery(Message):
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"""执行查询事件"""
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def __init__(self, query: str) -> None:
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self.query = query
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super().__init__()
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def compose(self) -> ComposeResult:
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"""构建查询框"""
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yield Static("F4:执行Cypher查询", classes="query-title")
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yield TextArea(
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placeholder="输入Cypher查询语句...",
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id="cypher-textarea"
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)
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with Horizontal(classes="query-buttons"):
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yield Button("执行", id="execute-button", variant="primary")
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yield Button("清空", id="clear-button")
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def on_button_pressed(self, event: Button.Pressed) -> None:
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"""处理按钮点击"""
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if event.button.id == "execute-button":
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self._execute_query()
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elif event.button.id == "clear-button":
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self._clear_query()
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def on_key(self, event) -> None:
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"""处理按键事件"""
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if event.key == "enter" and event.ctrl:
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event.stop()
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self._execute_query()
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def _execute_query(self) -> None:
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"""执行查询"""
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textarea = self.query_one("#cypher-textarea", TextArea)
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query = textarea.text.strip()
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if query:
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self.post_message(self.ExecuteQuery(query))
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def _clear_query(self) -> None:
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"""清空查询"""
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textarea = self.query_one("#cypher-textarea", TextArea)
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textarea.clear()
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def focus(self) -> None:
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"""聚焦查询框"""
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textarea = self.query_one("#cypher-textarea", TextArea)
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textarea.focus()
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