class SideView(QObject):
onBeforeItemDeletion = pyqtSignal(str)
onEntrySelected = pyqtSignal(str)
onDirectoryChanged = pyqtSignal(str)
onRemoveRequested = pyqtSignal(str)
def __init__(self, dirLister, entryProvider: IEntryProvider,
newEntryText: str, itemNameNormalizer: IItemNameNormalizer):
super().__init__()
def initListView():
self.listView = QListView()
self.listView.setEditTriggers(QAbstractItemView.NoEditTriggers)
self.listView.setModel(self.model)
self.listView.setMinimumWidth(200)
actionRemove = QAction("Remove", None)
self.listView.addAction(actionRemove)
self.listView.selectionModel().currentChanged.connect(
lambda selectedItem, unselectedItem: self.onEntrySelected.emit(
self.itemNameNormalizer.normalizeName(
self.currentDir.filePath(selectedItem.data()))))
def contextMenu(position):
menu = QMenu()
index = self.listView.indexAt(position)
entry = self.model.data(index, Qt.DisplayRole)
deleteAction = None
renameAction = None
addAction = menu.addAction("Add")
if entry is not None:
deleteAction = menu.addAction("Delete")
renameAction = menu.addAction("Rename")
refreshAction = menu.addAction("Refresh")
chosenAction = menu.exec_(self.listView.mapToGlobal(position))
if chosenAction is None:
return
if chosenAction == deleteAction:
self.onRemoveRequested.emit(entry)
elif chosenAction == renameAction:
self.renameEntry(index, entry)
elif chosenAction == addAction:
self.onCreateNewEntry()
elif chosenAction == refreshAction:
self.refreshListViewEntries()
self.listView.customContextMenuRequested.connect(contextMenu)
self.listView.setContextMenuPolicy(Qt.CustomContextMenu)
self.currentDir: QDir = None
self.model = QStringListModel()
self.directoryLister = dirLister
self.entryProvider = entryProvider
self.newEntryText = newEntryText
self.itemNameNormalizer = itemNameNormalizer
self.sortingParser: IEntrySorting
initListView()
def renameEntry(self, index, oldName):
def onNewEntryCommited(editedLine: QLineEdit):
self.listView.itemDelegate().commitData.disconnect(
onNewEntryCommited)
try:
newName = editedLine.text()
normalizedNameOld = self.itemNameNormalizer.normalizeName(
oldName)
normalizedNameNew = self.itemNameNormalizer.normalizeName(
newName)
self.emitOnItemDeletion(normalizedNameOld)
self.entryProvider.renameEnty(normalizedNameOld,
normalizedNameNew)
self.sortingParser.rename(oldName, newName)
self.refreshListViewEntries()
except Exception:
pass
self.listView.itemDelegate().commitData.connect(onNewEntryCommited)
self.listView.edit(index)
def emitOnItemDeletion(self, normalizedName):
self.onBeforeItemDeletion.emit(
self.currentDir.filePath(normalizedName))
def removeEntry(self, entry):
normalizedName = self.itemNameNormalizer.normalizeName(entry)
self.emitOnItemDeletion(normalizedName)
self.entryProvider.removeEntry(normalizedName)
self.refreshListViewEntries()
def setDirectory(self, dirPath: str):
self.currentDir = QDir(dirPath)
self.sortingParser = EntrySortingFile(
self.currentDir.filePath('.sorting'))
self.entryProvider.setContext(dirPath)
self.refreshListViewEntries()
self.onDirectoryChanged.emit(self.currentDir.absolutePath())
def refreshListViewEntries(self):
if self.currentDir is None:
return
entries = self.directoryLister.listEntries(self.currentDir)
sortedEntries = self.sortingParser.getSortedList(entries)
self.model.setStringList(sortedEntries)
def onCreateNewEntry(self):
def onNewEntryCommited(editedLine: QLineEdit):
self.listView.itemDelegate().commitData.disconnect(
onNewEntryCommited)
try:
if editedLine.text() == self.newEntryText:
raise Exception()
normalizedName = self.itemNameNormalizer.normalizeName(
editedLine.text())
self.entryProvider.addEntry(normalizedName)
self.refreshListViewEntries()
self.listView.setCurrentIndex(index)
except Exception:
print(f"Error adding entry {editedLine.text()}",
file=sys.stderr)
self.model.removeRow(self.model.rowCount() - 1)
if not self.model.insertRow(self.model.rowCount()):
return
self.listView.itemDelegate().commitData.connect(onNewEntryCommited)
index = self.model.index(self.model.rowCount() - 1, 0)
self.model.setData(index, self.newEntryText)
self.listView.edit(index)
pass
class FITSBrowse(QMainWindow):
""" The main window of this GUI."""
imdisp = None
def __init__(self, parent=None):
"""
"""
print("Skeet")
super(FITSBrowse, self).__init__(parent)
self.setAttribute(QtCore.Qt.WA_DeleteOnClose)
self.setWindowTitle("FITSBrowse")
self.current_directory = CurrentDirectory(
"/data/lemi-archive-2016-04/20160427")
self.model = FitsFileTableModel(self.current_directory)
self.d_model = DirectoryListModel(self.current_directory)
self.main_widget = QWidget(self)
self.dir_text = "Current Directory: {0}".format(
self.current_directory.cur_dir_path)
self.cur_dir_label = QLabel(self.dir_text, self)
self.listLabel = QLabel("&Directories")
self.list_view = QListView()
self.listLabel.setBuddy(self.list_view)
self.list_view.setModel(self.d_model)
self.list_view.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.list_view.setMinimumWidth(self.list_view.sizeHintForColumn(0))
self.list_view.setMaximumWidth(self.list_view.sizeHintForColumn(0))
self.list_view_sm = self.list_view.selectionModel()
self.list_view.doubleClicked.connect(self.change_directory)
self.table_view = QTableView()
self.table_view.setModel(self.model)
self.table_view.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.table_view_sm = self.table_view.selectionModel()
self.table_view.doubleClicked.connect(self.display_image)
list_vbox = QVBoxLayout()
list_vbox.addWidget(self.listLabel)
list_vbox.addWidget(self.list_view)
self.list_widget = QWidget()
self.list_widget.setLayout(list_vbox)
#self.list_view.size
main_layout = QHBoxLayout()
main_layout.addWidget(self.list_widget)
main_layout.addWidget(self.table_view)
button_layout = QHBoxLayout()
quit_button = QPushButton('Quit', self)
quit_button.setToolTip('This button quits FITSBrowse')
quit_button.clicked.connect(QApplication.instance().quit)
button_layout.addStretch()
button_layout.addWidget(quit_button)
sep_line = QFrame()
sep_line.setFrameShape(QFrame.HLine)
super_layout = QVBoxLayout(self.main_widget)
super_layout.addWidget(self.cur_dir_label)
super_layout.addWidget(sep_line)
super_layout.addLayout(main_layout)
super_layout.addLayout(button_layout)
self.setCentralWidget(self.main_widget)
QtCore.QTimer.singleShot(0, self.initialLoad)
x = self.table_view.frameSize()
x = x.width()
self.table_view.setMinimumWidth(x)
self.main_widget.setMinimumHeight(500)
def initialLoad(self):
for column in (1, 2, 3, 4, 5, 6, 7):
self.table_view.resizeColumnToContents(column)
def display_image(self):
indexes = self.table_view_sm.selectedIndexes()
index = indexes[0]
file_name = str(index.data())
if (file_name.endswith("fits") or file_name.endswith("fit")):
file_with_path = os.path.join(self.current_directory.cur_dir_path,
file_name)
self.im_disp = ImageAnalyzer(file_with_path, parent=self)
def change_directory(self):
indexes = self.list_view_sm.selectedRows()
if (indexes != []):
index = indexes[0]
new_directory = str(index.data())
current_path = self.current_directory.cur_dir_path
if (new_directory == ".."):
# Go up one directory
if (current_path == "/"):
# Do nothing.
pass
else:
self.current_directory = CurrentDirectory(
os.path.dirname(current_path))
else:
# Go down into the selected directory.
self.current_directory = CurrentDirectory(
os.path.join(current_path, new_directory))
print("change directory, new directory is:",
self.current_directory.cur_dir_path)
self.model = FitsFileTableModel(self.current_directory)
self.d_model = DirectoryListModel(self.current_directory)
self.dir_text = "Current Directory: {0}".format(
self.current_directory.cur_dir_path)
self.cur_dir_label.setText(self.dir_text)
self.list_view.setModel(self.d_model)
self.list_view_sm = self.list_view.selectionModel()
self.list_view.update()
self.list_view.setMinimumWidth(self.list_view.sizeHintForColumn(0))
self.list_view.setMaximumWidth(self.list_view.sizeHintForColumn(0))
self.table_view.setModel(self.model)
self.table_view_sm = self.table_view.selectionModel()
self.table_view.update()
QtCore.QTimer.singleShot(0, self.initialLoad)
x = self.table_view.frameSize()
x = x.width()
self.table_view.setMinimumWidth(x)
else:
print("no directory selected")
