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feat(预览): 支持更多文本文件类型预览并增强URL处理

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添加对js和html文件类型的文本预览支持，并改进预览组件的URL处理逻辑。现在能自动补全相对路径为完整URL，同时增加详细的日志记录以便调试。
This commit is contained in:
Leonmmcoset
2025-10-29 22:27:39 +08:00
parent 32b3b7b29a
commit ead93c1e49
2 changed files with 59 additions and 3 deletions
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2
app/view/components/file_card.py
View File

@@ -83,7 +83,7 @@ class FileCard(CardWidget):
"gif",
]:
signalBus.imagePreviewSignal.emit(self._id)
if self.fileType == "file" and self.suffix in ["txt", "py", "md"]:
if self.fileType == "file" and self.suffix in ["txt", "py", "md", "js", "html"]:
signalBus.txtPreviewSignal.emit(self._id)
def downloadFile(self):

60
app/view/widgets/preview_box.py
View File

@@ -14,6 +14,7 @@ from qfluentwidgets import (
)
from app.core import (ImageLoaderThread, TextLoaderThread, UpdateFileContentThread)
from app.core.api import miaoStarsBasicApi
from app.core.services.text_speech import LocalSpeechController
from app.view.components.empty_card import EmptyCard
@@ -38,6 +39,9 @@ def createThumbnail(pixmap, max_size=200):
class OptimizedPreviewBox(MessageBoxBase):
def __init__(self, parent=None, url=None):
super().__init__(parent=parent)
# 处理URL，确保它是完整的URL
self.url = self._ensure_full_url(url)
logger.info(f"初始化图片预览框，URL: {self.url}")
self.widget.setMinimumSize(500, 500)
self.original_pixmap = None
@@ -55,7 +59,7 @@ class OptimizedPreviewBox(MessageBoxBase):
self.viewLayout.addWidget(self.previewLabel, 0, Qt.AlignmentFlag.AlignCenter)
# 使用优化的图片加载线程
self.imageLoaderThread = ImageLoaderThread(url)
self.imageLoaderThread = ImageLoaderThread(self.url)
self.imageLoaderThread.imageLoaded.connect(self.setPreviewImg)
self.imageLoaderThread.errorOccurred.connect(self.handleError)
self.imageLoaderThread.progressUpdated.connect(self.updateProgress)
@@ -65,16 +69,37 @@ class OptimizedPreviewBox(MessageBoxBase):
QTimer.singleShot(100, self.startLoading)
def _ensure_full_url(self, url):
"""确保URL是完整的，添加scheme和base URL（如果缺失）"""
if not url:
return url
# 检查URL是否已经包含scheme
if url.startswith(('http://', 'https://')):
return url
# 对于相对路径，使用API的base URL构建完整URL
# 移除可能的前导斜杠，避免重复
path = url.lstrip('/')
# 从MiaoStarsBasicApi获取base URL，但只使用到域名部分
base_url = miaoStarsBasicApi.basicApi.split('/api/v4')[0]
full_url = f"{base_url}/{path}"
logger.debug(f"将相对路径转换为完整URL: {url} -> {full_url}")
return full_url
def startLoading(self):
"""开始加载图片"""
logger.info(f"开始加载图片: {self.url}")
self.imageLoaderThread.start()
def updateProgress(self, progress):
"""更新加载进度"""
logger.debug(f"图片加载进度: {progress}%")
self.loadingCard.setText(f"正在加载图片... {progress}%")
def setPreviewImg(self, img: QPixmap):
"""设置预览图片"""
logger.info(f"图片加载成功，尺寸: {img.width()}x{img.height()}px")
self.loadingCard.hide()
self.original_pixmap = img
@@ -131,6 +156,7 @@ class OptimizedPreviewBox(MessageBoxBase):
def handleError(self, msg):
"""处理加载错误"""
logger.error(f"图片预览失败: {msg}")
self.loadingCard.error()
self.previewLabel.hide()
@@ -141,6 +167,9 @@ class PreviewTextBox(MessageBoxBase):
def __init__(self, parent=None, url=None, _id=None):
super().__init__(parent=parent)
# 处理URL，确保它是完整的URL
self.url = self._ensure_full_url(url)
logger.info(f"初始化文本预览框，URL: {self.url}, 文件ID: {_id}")
self.updateTxtThread = None
self.widget.setMinimumSize(600, 400)
self._id = _id
@@ -205,7 +234,7 @@ class PreviewTextBox(MessageBoxBase):
QTimer.singleShot(100, self.startLoading)
def saveText(self):
logger.info("保存用户修改")
logger.info(f"保存文本文件修改，文件ID: {self._id}")
# 显示进度条并禁用按钮
self.saveProgressBar.show()
self.saveButton.setEnabled(False)
@@ -218,6 +247,7 @@ class PreviewTextBox(MessageBoxBase):
self.saveTextThread.start()
def _successSave(self):
logger.info(f"文本文件保存成功，文件ID: {self._id}")
InfoBar.success(
"成功",
"修改保存成功",
@@ -232,6 +262,7 @@ class PreviewTextBox(MessageBoxBase):
QTimer.singleShot(700, self.accept)
def _errorSave(self, msg):
logger.error(f"文本文件保存失败，文件ID: {self._id}, 错误: {msg}")
InfoBar.error(
"失败",
msg,
@@ -250,24 +281,47 @@ class PreviewTextBox(MessageBoxBase):
if not self.isSpeaking:
text = self.textEdit.toPlainText()
if text and len(text.strip()) > 0:
logger.info(f"开始文本朗读，文件ID: {self._id}")
self.speech_controller.play_text(text)
self.isSpeaking = True
self.textSpeakButton.setText("暂停朗读")
else:
logger.info(f"暂停文本朗读，文件ID: {self._id}")
self.speech_controller.stop_playback()
self.isSpeaking = False
self.textSpeakButton.setText("朗读文本")
def _ensure_full_url(self, url):
"""确保URL是完整的，添加scheme和base URL（如果缺失）"""
if not url:
return url
# 检查URL是否已经包含scheme
if url.startswith(('http://', 'https://')):
return url
# 对于相对路径，使用API的base URL构建完整URL
# 移除可能的前导斜杠，避免重复
path = url.lstrip('/')
# 从MiaoStarsBasicApi获取base URL，但只使用到域名部分
base_url = miaoStarsBasicApi.basicApi.split('/api/v4')[0]
full_url = f"{base_url}/{path}"
logger.debug(f"将相对路径转换为完整URL: {url} -> {full_url}")
return full_url
def startLoading(self):
"""开始加载文本"""
logger.info(f"开始加载文本文件: {self.url}")
self.textLoaderThread.start()
def updateProgress(self, progress):
"""更新加载进度"""
logger.debug(f"文本加载进度: {progress}%")
self.loadingCard.setText(f"正在加载文本... {progress}%")
def setTextContent(self, content):
"""设置文本内容"""
logger.info(f"文本文件加载成功，原始内容长度: {len(content)}字符")
self.loadingCard.hide()
self.textEdit.show()
self.textSpeakButton.show()
@@ -275,6 +329,7 @@ class PreviewTextBox(MessageBoxBase):
# 限制显示的内容长度，避免性能问题
max_display_length = 100000 # 最多显示10万个字符
if len(content) > max_display_length:
logger.warning(f"文本内容过长，已截断显示，原始长度: {len(content)}字符")
content = (
content[:max_display_length]
+ f"\n\n... (内容过长，已截断前{max_display_length}个字符，完整内容请下载文件查看)"
@@ -284,6 +339,7 @@ class PreviewTextBox(MessageBoxBase):
def handleError(self, error_msg):
"""处理加载错误"""
logger.error(f"文本预览失败，URL: {self.url}, 错误: {error_msg}")
self.loadingCard.error()
def resizeEvent(self, event):