kopia lustrzana https://github.com/NanoVNA-Saver/nanovna-saver
150 wiersze
5.1 KiB
Python
150 wiersze
5.1 KiB
Python
# NanoVNASaver
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#
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# A python program to view and export Touchstone data from a NanoVNA
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# Copyright (C) 2019, 2020 Rune B. Broberg
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# Copyright (C) 2020,2021 NanoVNA-Saver Authors
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import contextlib
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import logging
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import typing
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from PyQt5 import QtCore, QtGui
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from PyQt5.QtCore import QModelIndex
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_DEFAULT_BANDS = (
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"2200 m;135700;137800",
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"630 m;472000;479000",
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"160 m;1800000;2000000",
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"80 m;3500000;3800000",
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"60 m;5250000;5450000",
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"40 m;7000000;7200000",
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"30 m;10100000;10150000",
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"20 m;14000000;14350000",
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"17 m;18068000;18168000",
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"15 m;21000000;21450000",
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"12 m;24890000;24990000",
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"10 m;28000000;29700000",
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"6 m;50000000;52000000",
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"4 m;69887500;70512500",
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"2 m;144000000;146000000",
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"70 cm;432000000;438000000",
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"23 cm;1240000000;1300000000",
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"13 cm;2320000000;2450000000",
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"9 cm;3300000000;3500000000",
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"5 cm;5650000000;5925000000",
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)
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_HEADER_DATA = ("Band", "Start (Hz)", "End (Hz)")
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logger = logging.getLogger(__name__)
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class BandsModel(QtCore.QAbstractTableModel):
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color = QtGui.QColor(128, 128, 128, 48)
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# These bands correspond broadly to the Danish Amateur Radio allocation
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def __init__(self):
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super().__init__()
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self.settings = QtCore.QSettings(QtCore.QSettings.IniFormat,
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QtCore.QSettings.UserScope,
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"NanoVNASaver", "Bands")
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self.settings.setIniCodec("UTF-8")
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self.enabled = self.settings.value("ShowBands", False, bool)
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self.bands = [
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band.split(";")
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for band in self.settings.value("bands", _DEFAULT_BANDS)
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]
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def saveSettings(self):
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self.settings.setValue(
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"bands",
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[f"{name};{start};{end}" for name, start, end in self.bands])
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self.settings.sync()
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def resetBands(self):
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self.bands = [band.split(";") for band in _DEFAULT_BANDS]
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self.layoutChanged.emit()
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self.saveSettings()
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def columnCount(self, _) -> int:
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return 3
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def rowCount(self, _) -> int:
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return len(self.bands)
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def data(self, index: QModelIndex, role: int = ...) -> QtCore.QVariant:
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if role in [
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QtCore.Qt.DisplayRole, QtCore.Qt.ItemDataRole, QtCore.Qt.EditRole,
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]:
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return QtCore.QVariant(self.bands[index.row()][index.column()])
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if role == QtCore.Qt.TextAlignmentRole:
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if index.column() == 0:
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return QtCore.QVariant(QtCore.Qt.AlignCenter)
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return QtCore.QVariant(QtCore.Qt.AlignRight | QtCore.Qt.AlignVCenter)
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return QtCore.QVariant()
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def setData(self, index: QModelIndex, value: typing.Any, role: int = ...) -> bool:
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if role == QtCore.Qt.EditRole and index.isValid():
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t = self.bands[index.row()]
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name = t[0]
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start = t[1]
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end = t[2]
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if index.column() == 0:
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name = value
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elif index.column() == 1:
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start = value
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elif index.column() == 2:
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end = value
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self.bands[index.row()] = (name, start, end)
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self.dataChanged.emit(index, index)
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self.saveSettings()
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return True
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return False
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def index(self, row: int, column: int, _: QModelIndex = ...) -> QModelIndex:
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return self.createIndex(row, column)
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def addRow(self):
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self.bands.append(("New", 0, 0))
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self.dataChanged.emit(self.index(len(self.bands), 0),
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self.index(len(self.bands), 2))
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self.layoutChanged.emit()
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def removeRow(self, row: int, _: QModelIndex = ...) -> bool:
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self.bands.remove(self.bands[row])
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self.layoutChanged.emit()
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self.saveSettings()
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return True
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def headerData(self, section: int,
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orientation: QtCore.Qt.Orientation, role: int = ...):
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if (role == QtCore.Qt.DisplayRole and
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orientation == QtCore.Qt.Horizontal):
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with contextlib.suppress(IndexError):
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return _HEADER_DATA[section]
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return None
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def flags(self, index: QModelIndex) -> QtCore.Qt.ItemFlags:
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if index.isValid():
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return QtCore.Qt.ItemFlags(
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QtCore.Qt.ItemIsEditable |
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QtCore.Qt.ItemIsEnabled |
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QtCore.Qt.ItemIsSelectable)
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super().flags(index)
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def setColor(self, color):
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self.color = color
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