class CustomSplitter(QWidget):
def __init__(self):
QWidget.__init__(self)
self.splitter = QSplitter(self)
self.splitter.addWidget(QTextEdit(self))
self.splitter.addWidget(QTextEdit(self))
layout = QVBoxLayout(self)
layout.addWidget(self.splitter)
handle = self.splitter.handle(1)
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
button = QToolButton(handle)
button.setArrowType(Qt.LeftArrow)
button.clicked.connect(lambda: self.handleSplitterButton(True))
layout.addWidget(button)
button = QToolButton(handle)
button.setArrowType(Qt.RightArrow)
button.clicked.connect(lambda: self.handleSplitterButton(False))
layout.addWidget(button)
handle.setLayout(layout)
def handleSplitterButton(self, left=True):
if not all(self.splitter.sizes()):
self.splitter.setSizes([1, 1])
elif left:
self.splitter.setSizes([0, 1])
else:
self.splitter.setSizes([1, 0])
class FileSystemWidget(QWidget):
def __init__(self, parent, *args, **kwargs):
super().__init__(*args, **kwargs)
self.currentRootPath = '/'
self.currentPath = QDir.currentPath()
self.mainWindow = parent
self.chooseDirAction = QAction(IconFactory.getIcon('folder'),
'Root directory',
self,
statusTip="Change root directory",
triggered=self.chooseRootDir)
self.showOFAction = QAction(IconFactory.getIcon('filter_alt'),
'Show only FITS files',
self,
statusTip="Show only FITS/all files",
triggered=self.showOFFiles)
self.showOFAction.setCheckable(True)
self.showOFAction.toggled.connect(self.showOFFiles)
self.chooseDirBtn = QToolButton()
self.chooseDirBtn.setDefaultAction(self.chooseDirAction)
self.showOFBtn = QToolButton()
self.showOFBtn.setDefaultAction(self.showOFAction)
iconlayout = QHBoxLayout()
iconlayout.setAlignment(Qt.AlignLeft)
iconlayout.addWidget(self.chooseDirBtn)
iconlayout.addWidget(self.showOFBtn)
self.viewsSplitter = QSplitter(Qt.Horizontal)
self.viewsSplitter.splitterMoved.connect(self.splitterMoved)
self.dirsModel = QFileSystemModel(self)
self.dirsModel.setOption(QFileSystemModel.DontWatchForChanges, True)
self.dirsModel.setFilter(QDir.NoDotAndDotDot | QDir.AllDirs)
self.dirsModel.setNameFilterDisables(False)
self.dirs = QTreeView()
self.dirs.setModel(self.dirsModel)
self.dirs.hideColumn(1)
self.dirs.hideColumn(2)
self.dirs.hideColumn(3)
self.dirs.clicked.connect(self.onDirsClick)
self.dirs.doubleClicked.connect(self.onDirsDoubleClick)
self.filesModel = QFileSystemModel(self)
self.filesModel.setOption(QFileSystemModel.DontWatchForChanges, True)
self.filesModel.setFilter(QDir.NoDotAndDotDot | QDir.Files)
self.filesModel.setNameFilterDisables(False)
self.files = QListView()
self.files.setModel(self.filesModel)
self.files.doubleClicked.connect(self.onFilesDoubleClick)
self.viewsSplitter.addWidget(self.dirs)
self.viewsSplitter.addWidget(self.files)
viewslayout = QHBoxLayout()
viewslayout.addWidget(self.viewsSplitter)
layout = QVBoxLayout()
layout.addLayout(iconlayout)
layout.addLayout(viewslayout)
self.setLayout(layout)
self.dirsModel.setRootPath(self.currentRootPath)
self.dirs.setRootIndex(self.dirsModel.index(self.currentRootPath))
index = self.dirsModel.index(self.currentPath)
self.dirs.setCurrentIndex(index)
self.dirs.setExpanded(index, True)
self.filesModel.setRootPath(self.currentPath)
self.files.setRootIndex(self.filesModel.index(self.currentPath))
def splitterMoved(self, pos, index):
if pos == 0:
self.filesModel.setFilter(QDir.NoDot | QDir.AllEntries
| QDir.DirsFirst | QDir.Type)
elif pos == self.viewsSplitter.width(
) - self.viewsSplitter.handleWidth():
self.dirsModel.setFilter(QDir.NoDotAndDotDot | QDir.AllEntries)
else:
self.dirsModel.setFilter(QDir.NoDotAndDotDot | QDir.AllDirs)
self.filesModel.setFilter(QDir.NoDotAndDotDot | QDir.Files)
def onDirsClick(self, item):
index = self.dirs.selectedIndexes()[0]
info = self.dirsModel.fileInfo(index)
if info.isDir():
self.currentPath = info.filePath()
self.files.setRootIndex(
self.filesModel.setRootPath(info.filePath()))
def onDirsDoubleClick(self, item):
index = self.dirs.selectedIndexes()[0]
info = self.dirsModel.fileInfo(index)
if info.isDir():
self.currentPath = info.filePath()
self.files.setRootIndex(
self.filesModel.setRootPath(info.filePath()))
else:
self.mainWindow.open_fits(info.filePath())
def onFilesDoubleClick(self, item):
index = self.files.selectedIndexes()[0]
info = self.filesModel.fileInfo(index)
if info.isDir():
self.setPath(info.filePath())
else:
try:
self.mainWindow.open_fits(info.filePath())
except FileNotFoundError:
self.setPath(self.currentPath) # refesh maybe?
def setPath(self, path):
self.currentPath = path
index = self.dirsModel.index(self.currentPath)
self.dirs.setCurrentIndex(index)
self.dirs.setExpanded(index, True)
self.files.setRootIndex(self.filesModel.setRootPath(self.currentPath))
def chooseRootDir(self):
dir = QFileDialog.getExistingDirectory(self, 'Select directory')
if dir:
self.setRootPath(dir)
def setRootPath(self, dir):
self.currentRootPath = dir
self.dirsModel.setRootPath(self.currentRootPath)
self.dirs.setRootIndex(self.dirsModel.index(self.currentRootPath))
self.setPath(self.currentRootPath)
def showOFFiles(self):
if self.showOFAction.isChecked():
self.dirsModel.setNameFilters(["*.FITS", "*.fits"])
self.filesModel.setNameFilters(["*.FITS", "*.fits"])
else:
self.dirsModel.setNameFilters(["*"])
self.filesModel.setNameFilters(["*"])
def writeSettings(self, settings):
settings.beginGroup("fileWidget")
settings.setValue('splitterGeometry',
self.viewsSplitter.saveGeometry())
settings.setValue('splitterState', self.viewsSplitter.saveState())
settings.setValue('rootPath', self.currentRootPath)
settings.setValue('path', self.currentPath)
settings.endGroup()
def readSettings(self, settings):
settings.beginGroup("fileWidget")
self.viewsSplitter.restoreGeometry(settings.value("splitterGeometry"))
self.viewsSplitter.restoreState(settings.value("splitterState"))
rootPath = settings.value("rootPath")
path = settings.value("path")
settings.endGroup()
if rootPath is None:
rootPath = '/'
self.setRootPath(rootPath)
if path is None:
path = QDir.currentPath()
self.setPath(path)
self.splitterMoved(self.viewsSplitter.handle(1).pos().x(), 0)
