459 lines
19 KiB
Python
459 lines
19 KiB
Python
# dialogs.py
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import os
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from PySide6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
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QLineEdit, QComboBox, QDoubleSpinBox,
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QPushButton, QFormLayout, QFileDialog,
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QMessageBox, QCheckBox, QListWidget, QListWidgetItem)
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from PySide6.QtCore import Qt
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class CreatePartitionDialog(QDialog):
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def __init__(self, parent=None, disk_path="", total_disk_mib=0.0, max_available_mib=0.0):
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super().__init__(parent)
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self.setWindowTitle("创建分区")
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self.setMinimumWidth(300)
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self.disk_path = disk_path
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self.total_disk_mib = total_disk_mib # 磁盘总大小 (MiB)
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self.max_available_mib = max_available_mib # 可用空间 (MiB)
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self.partition_table_type_combo = QComboBox()
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self.partition_table_type_combo.addItems(["gpt", "msdos"])
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self.size_spinbox = QDoubleSpinBox()
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# 调整最小值为 0.01 GB (约 10MB)，并确保最大值不小于最小值
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self.size_spinbox.setMinimum(0.01)
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self.size_spinbox.setMaximum(max(0.01, self.max_available_mib / 1024.0)) # 将 MiB 转换为 GB 显示
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self.size_spinbox.setSuffix(" GB")
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self.size_spinbox.setDecimals(2)
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self.use_max_space_checkbox = QCheckBox("使用最大可用空间")
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self.use_max_space_checkbox.setChecked(True) # 默认选中
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self._setup_ui()
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self._connect_signals()
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self._initialize_state()
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("磁盘路径:", QLabel(self.disk_path))
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form_layout.addRow("分区表类型:", self.partition_table_type_combo)
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form_layout.addRow("分区大小:", self.size_spinbox)
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form_layout.addRow("", self.use_max_space_checkbox) # 添加复选框
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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self.use_max_space_checkbox.stateChanged.connect(self._toggle_size_input)
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def _initialize_state(self):
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# 根据默认选中状态设置 spinbox
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self._toggle_size_input(self.use_max_space_checkbox.checkState())
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def _toggle_size_input(self, state):
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if state == Qt.Checked:
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self.size_spinbox.setDisabled(True)
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self.size_spinbox.setValue(self.size_spinbox.maximum()) # 设置为最大可用 GB
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else:
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self.size_spinbox.setDisabled(False)
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# 如果之前是最大值，取消勾选后，恢复到最小值或一个合理值
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if self.size_spinbox.value() == self.size_spinbox.maximum():
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self.size_spinbox.setValue(self.size_spinbox.minimum())
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def get_partition_info(self):
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size_gb = self.size_spinbox.value()
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use_max_space = self.use_max_space_checkbox.isChecked()
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if not use_max_space and size_gb <= 0:
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QMessageBox.warning(self, "输入错误", "分区大小必须大于0。")
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return None
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# 这里的检查应该使用 self.size_spinbox.maximum() 来判断，因为它是实际的最大值
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if not use_max_space and size_gb > self.size_spinbox.maximum():
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QMessageBox.warning(self, "输入错误", "分区大小不能超过最大可用空间。")
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return None
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return {
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'disk_path': self.disk_path,
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'partition_table_type': self.partition_table_type_combo.currentText(),
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'size_gb': size_gb,
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'total_disk_mib': self.total_disk_mib, # 传递磁盘总大小 (MiB)
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'use_max_space': use_max_space # 返回此标志
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}
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class MountDialog(QDialog):
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def __init__(self, parent=None, device_path=""):
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super().__init__(parent)
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self.setWindowTitle("挂载分区")
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self.setMinimumWidth(300)
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self.device_path = device_path
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self.mount_point_input = QLineEdit()
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self.add_to_fstab_checkbox = QCheckBox("开机自动挂载 (添加到 /etc/fstab)") # 新增
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self._setup_ui()
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self._connect_signals()
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("设备路径:", QLabel(self.device_path))
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form_layout.addRow("挂载点:", self.mount_point_input)
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form_layout.addRow("", self.add_to_fstab_checkbox) # 添加复选框
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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# 默认挂载点，可以根据设备名生成
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default_mount_point = f"/mnt/{os.path.basename(self.device_path)}"
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self.mount_point_input.setText(default_mount_point)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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def get_mount_info(self):
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mount_point = self.mount_point_input.text().strip()
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add_to_fstab = self.add_to_fstab_checkbox.isChecked()
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if not mount_point:
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QMessageBox.warning(self, "输入错误", "挂载点不能为空。")
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return None
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if not mount_point.startswith('/'):
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QMessageBox.warning(self, "输入错误", "挂载点必须是绝对路径 (以 '/' 开头)。")
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return None
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return {
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'mount_point': mount_point,
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'add_to_fstab': add_to_fstab
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}
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class CreateRaidDialog(QDialog):
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def __init__(self, parent=None, available_devices=None):
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super().__init__(parent)
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self.setWindowTitle("创建 RAID 阵列")
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self.setMinimumWidth(350)
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self.available_devices = available_devices if available_devices is not None else []
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self.selected_devices = []
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self.raid_level_combo = QComboBox()
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self.raid_level_combo.addItems(["raid0", "raid1", "raid5", "raid6", "raid10"])
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self.chunk_size_spinbox = QDoubleSpinBox()
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self.chunk_size_spinbox.setMinimum(4)
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self.chunk_size_spinbox.setMaximum(1024)
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self.chunk_size_spinbox.setSingleStep(4)
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self.chunk_size_spinbox.setValue(512) # 默认值
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self.chunk_size_spinbox.setSuffix(" KB")
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self.device_list_widget = QListWidget()
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for dev in self.available_devices:
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item = QListWidgetItem(dev)
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item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
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item.setCheckState(Qt.Unchecked)
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self.device_list_widget.addItem(item)
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self._setup_ui()
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self._connect_signals()
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("RAID 级别:", self.raid_level_combo)
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form_layout.addRow("Chunk 大小:", self.chunk_size_spinbox)
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form_layout.addRow("选择设备:", self.device_list_widget)
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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def get_raid_info(self):
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self.selected_devices = []
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for i in range(self.device_list_widget.count()):
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item = self.device_list_widget.item(i)
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if item.checkState() == Qt.Checked:
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self.selected_devices.append(item.text())
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if not self.selected_devices:
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QMessageBox.warning(self, "输入错误", "请选择至少一个设备来创建 RAID 阵列。")
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return None
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raid_level = self.raid_level_combo.currentText()
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num_devices = len(self.selected_devices)
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# RAID level specific checks for minimum devices
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if raid_level == "raid0" and num_devices < 1: # RAID0 can be 1 device in some contexts, but usually >1
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QMessageBox.warning(self, "输入错误", "RAID0 至少需要一个设备。")
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return None
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elif raid_level == "raid1" and num_devices < 2:
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QMessageBox.warning(self, "输入错误", "RAID1 至少需要两个设备。")
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return None
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elif raid_level == "raid5" and num_devices < 3:
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QMessageBox.warning(self, "输入错误", "RAID5 至少需要三个设备。")
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return None
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elif raid_level == "raid6" and num_devices < 4:
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QMessageBox.warning(self, "输入错误", "RAID6 至少需要四个设备。")
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return None
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elif raid_level == "raid10" and num_devices < 2: # RAID10 needs at least 2 (for 1+0)
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QMessageBox.warning(self, "输入错误", "RAID10 至少需要两个设备。")
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return None
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return {
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'devices': self.selected_devices,
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'level': self.raid_level_combo.currentText().replace('raid', ''), # 移除 'raid' 前缀
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'chunk_size': int(self.chunk_size_spinbox.value()) # KB
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}
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class CreatePvDialog(QDialog):
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def __init__(self, parent=None, available_partitions=None):
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super().__init__(parent)
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self.setWindowTitle("创建物理卷 (PV)")
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self.setMinimumWidth(300)
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self.available_partitions = available_partitions if available_partitions is not None else []
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self.device_combo_box = QComboBox()
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self.device_combo_box.addItems(self.available_partitions)
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self._setup_ui()
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self._connect_signals()
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("选择设备:", self.device_combo_box)
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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def get_pv_info(self):
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device_path = self.device_combo_box.currentText()
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if not device_path:
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QMessageBox.warning(self, "输入错误", "请选择一个设备来创建物理卷。")
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return None
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return {'device_path': device_path}
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class CreateVgDialog(QDialog):
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def __init__(self, parent=None, available_pvs=None):
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super().__init__(parent)
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self.setWindowTitle("创建卷组 (VG)")
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self.setMinimumWidth(300)
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self.available_pvs = available_pvs if available_pvs is not None else []
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self.selected_pvs = []
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self.vg_name_input = QLineEdit()
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self.pv_list_widget = QListWidget()
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for pv in self.available_pvs:
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item = QListWidgetItem(pv)
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item.setFlags(item.flags() | Qt.ItemIsUserCheckable)
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item.setCheckState(Qt.Unchecked)
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self.pv_list_widget.addItem(item)
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self._setup_ui()
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self._connect_signals()
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("卷组名称:", self.vg_name_input)
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form_layout.addRow("选择物理卷:", self.pv_list_widget)
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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def get_vg_info(self):
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vg_name = self.vg_name_input.text().strip()
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self.selected_pvs = []
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for i in range(self.pv_list_widget.count()):
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item = self.pv_list_widget.item(i)
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if item.checkState() == Qt.Checked:
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self.selected_pvs.append(item.text())
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if not vg_name:
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QMessageBox.warning(self, "输入错误", "卷组名称不能为空。")
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return None
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if not self.selected_pvs:
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QMessageBox.warning(self, "输入错误", "请选择至少一个物理卷来创建卷组。")
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return None
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return {
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'vg_name': vg_name,
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'pvs': self.selected_pvs
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}
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class CreateLvDialog(QDialog):
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def __init__(self, parent=None, available_vgs=None, vg_sizes=None):
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super().__init__(parent)
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self.setWindowTitle("创建逻辑卷")
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self.setMinimumWidth(300)
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self.available_vgs = available_vgs if available_vgs is not None else []
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self.vg_sizes = vg_sizes if vg_sizes is not None else {} # 存储每个 VG 的可用大小 (GB)
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self.lv_name_input = QLineEdit()
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self.vg_combo_box = QComboBox()
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self.lv_size_spinbox = QDoubleSpinBox()
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self.use_max_space_checkbox = QCheckBox("使用最大可用空间") # 新增复选框
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self._setup_ui()
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self._connect_signals()
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self._initialize_state() # 初始化状态
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def _setup_ui(self):
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layout = QVBoxLayout(self)
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form_layout = QFormLayout()
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form_layout.addRow("逻辑卷名称:", self.lv_name_input)
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form_layout.addRow("选择卷组:", self.vg_combo_box)
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form_layout.addRow("逻辑卷大小 (GB):", self.lv_size_spinbox)
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form_layout.addRow("", self.use_max_space_checkbox) # 添加复选框
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layout.addLayout(form_layout)
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button_box = QHBoxLayout()
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self.confirm_button = QPushButton("确定")
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self.cancel_button = QPushButton("取消")
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button_box.addWidget(self.confirm_button)
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button_box.addWidget(self.cancel_button)
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layout.addLayout(button_box)
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self.lv_size_spinbox.setMinimum(0.1) # 逻辑卷最小大小，例如 0.1 GB
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self.lv_size_spinbox.setSuffix(" GB")
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self.lv_size_spinbox.setDecimals(2)
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def _connect_signals(self):
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self.confirm_button.clicked.connect(self.accept)
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self.cancel_button.clicked.connect(self.reject)
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self.vg_combo_box.currentIndexChanged.connect(self._update_size_options) # 卷组选择改变时更新大小选项
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self.use_max_space_checkbox.stateChanged.connect(self._toggle_size_input) # 复选框状态改变时切换输入
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def _initialize_state(self):
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self.vg_combo_box.addItems(self.available_vgs)
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self._update_size_options() # 首次调用以设置初始状态
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self.use_max_space_checkbox.setChecked(True) # 默认选中“使用最大可用空间”
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def _update_size_options(self):
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"""根据选中的卷组更新逻辑卷大小的选项。"""
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selected_vg = self.vg_combo_box.currentText()
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max_size_gb = self.vg_sizes.get(selected_vg, 0.0)
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# 确保 max_size_gb 至少是 spinbox 的最小值，以防卷组可用空间过小导致 UI 问题
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current_min_limit = self.lv_size_spinbox.minimum() # 获取当前的最小值限制
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if max_size_gb < current_min_limit:
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# 如果实际最大可用空间小于当前最小值限制，则将最小值临时调整为实际最大值
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self.lv_size_spinbox.setMinimum(max_size_gb if max_size_gb > 0 else 0.01) # 至少0.01GB
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else:
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self.lv_size_spinbox.setMinimum(0.1) # 恢复正常最小值
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# 计算并设置 spinbox 的最大值
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clamped_max_gb = max(self.lv_size_spinbox.minimum(), max_size_gb)
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self.lv_size_spinbox.setMaximum(clamped_max_gb)
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# 如果选中了“使用最大可用空间”，则将 spinbox 值设置为最大值
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if self.use_max_space_checkbox.isChecked():
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self.lv_size_spinbox.setValue(clamped_max_gb) # 使用计算出的最大值
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else:
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# 如果当前值超过了新的最大值，则调整为新的最大值
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if self.lv_size_spinbox.value() > clamped_max_gb:
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self.lv_size_spinbox.setValue(clamped_max_gb)
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# 如果当前值小于新的最小值，则调整
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elif self.lv_size_spinbox.value() < self.lv_size_spinbox.minimum():
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self.lv_size_spinbox.setValue(self.lv_size_spinbox.minimum())
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def _toggle_size_input(self, state):
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"""根据“使用最大可用空间”复选框的状态切换大小输入框的启用/禁用状态。"""
|
||
# 获取当前选中的卷组的实际最大可用空间（GB）
|
||
selected_vg = self.vg_combo_box.currentText()
|
||
actual_max_gb = self.vg_sizes.get(selected_vg, 0.0)
|
||
|
||
# 确保计算出的最大值不小于spinbox的最小值
|
||
clamped_max_gb = max(self.lv_size_spinbox.minimum(), actual_max_gb)
|
||
|
||
if state == Qt.Checked:
|
||
self.lv_size_spinbox.setDisabled(True)
|
||
self.lv_size_spinbox.setValue(clamped_max_gb) # 使用计算出的最大值
|
||
else:
|
||
self.lv_size_spinbox.setDisabled(False)
|
||
# 如果之前是最大值，取消勾选后，恢复到最小值或一个合理值
|
||
if self.lv_size_spinbox.value() == clamped_max_gb: # 比较时也使用计算出的最大值
|
||
self.lv_size_spinbox.setValue(self.lv_size_spinbox.minimum())
|
||
# 否则，保持当前值（用户手动输入的值）
|
||
|
||
|
||
def get_lv_info(self):
|
||
lv_name = self.lv_name_input.text().strip()
|
||
vg_name = self.vg_combo_box.currentText()
|
||
size_gb = self.lv_size_spinbox.value()
|
||
use_max_space = self.use_max_space_checkbox.isChecked() # 获取复选框状态
|
||
|
||
if not lv_name:
|
||
QMessageBox.warning(self, "输入错误", "逻辑卷名称不能为空。")
|
||
return None
|
||
if not vg_name:
|
||
QMessageBox.warning(self, "输入错误", "请选择一个卷组。")
|
||
return None
|
||
if not use_max_space and size_gb <= 0:
|
||
QMessageBox.warning(self, "输入错误", "逻辑卷大小必须大于0。")
|
||
return None
|
||
# 这里的检查应该使用 self.lv_size_spinbox.maximum() 来判断，因为它是实际的最大值
|
||
if not use_max_space and size_gb > self.lv_size_spinbox.maximum():
|
||
QMessageBox.warning(self, "输入错误", "逻辑卷大小不能超过卷组的可用空间。")
|
||
return None
|
||
|
||
return {
|
||
'lv_name': lv_name,
|
||
'vg_name': vg_name,
|
||
'size_gb': size_gb,
|
||
'use_max_space': use_max_space # 返回此标志
|
||
}
|