refactor: folder card in settings

app/components/folder_setting_card.py

@@ -0,0 +1,101 @@
+import os
+import pathlib
+import subprocess
+
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QIcon
+from PySide6.QtWidgets import QFileDialog
+from qfluentwidgets import SettingCard, FluentIconBase, FluentIcon, CommandBar, Action, LineEdit, LineEditButton
+from typing import Union
+from ..common.config import cfg
+    
+
+class FolderLineEdit(LineEdit):
+    """ Search line edit """
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.validButton = LineEditButton(FluentIcon.ACCEPT, self)
+        self.hBoxLayout.addWidget(self.validButton, 0, Qt.AlignRight)
+        self.setTextMargins(0, 0, 59, 0)
+
+    def setValid(self, value: bool):
+        if value:
+            self.validButton._icon = FluentIcon.ACCEPT
+        else:
+            self.validButton._icon = FluentIcon.CLOSE
+
+
+class FolderSettingCard(SettingCard):
+    def __init__(self, configItem, icon: Union[str, QIcon, FluentIconBase], title, content=None, parent=None):
+        """
+        Parameters
+        ----------
+        configItem: TimeConfigItem
+            configuration item operated by the card
+
+        icon: str | QIcon | FluentIconBase
+            the icon to be drawn
+
+        title: str
+            the title of card
+
+        content: str
+            the content of card
+
+        parent: QWidget
+            parent widget
+        """
+        super().__init__(icon, title, content, parent)
+        self.configItem = configItem
+        self.lineEdit = FolderLineEdit()
+        self.lineEdit.setText(configItem.value)
+        
+        self.__initCommandBar()
+        self.__initLayout()
+        self.__connectSignalToSlot()
+
+    def __initCommandBar(self):
+        self.commandBar = CommandBar()
+        explorerAction = Action(FluentIcon.FOLDER, 'Show in Explorer')
+        explorerAction.triggered.connect(self.openExplorer)
+        self.commandBar.addHiddenAction(explorerAction)
+
+        browseAction = Action(FluentIcon.EDIT, 'Browse')
+        browseAction.triggered.connect(self.browse)
+        self.commandBar.addHiddenAction(browseAction)
+
+    def __initLayout(self):
+        self.setFixedHeight(70)
+        self.vBoxLayout.addWidget(self.lineEdit)
+        self.hBoxLayout.setStretch(2, 10)
+        self.hBoxLayout.addSpacing(8)
+        self.hBoxLayout.addWidget(self.commandBar, 0, Qt.AlignmentFlag.AlignRight)
+        self.hBoxLayout.addSpacing(16)
+
+    def __connectSignalToSlot(self):
+        self.lineEdit.textChanged.connect(self.pathValid)
+
+    def pathValid(self, text):
+        if not text:
+            cfg.set(self.configItem, "")
+            self.lineEdit.setValid(True)
+            return
+        
+        path = pathlib.Path(text)
+        if path.is_absolute() and path.is_dir() and path.exists():
+            cfg.set(self.configItem, text)
+            self.lineEdit.setValid(True)
+        else:
+            self.lineEdit.setValid(False)
+
+    def openExplorer(self):
+        if self.configItem.value:
+            file_path = os.path.normpath(self.configItem.value)        
+            subprocess.Popen(f'explorer /select,"{file_path}"')
+
+    def browse(self):
+        """ download folder card clicked slot """
+        folder = QFileDialog.getExistingDirectory(
+            self, self.tr("Choose folder"), "./")
+        if not folder or cfg.get(self.configItem) == folder:
+            return