diff options
Diffstat (limited to 'src/silx/gui/dialog/AbstractDataFileDialog.py')
| -rw-r--r-- | src/silx/gui/dialog/AbstractDataFileDialog.py | 165 |
1 files changed, 111 insertions, 54 deletions
diff --git a/src/silx/gui/dialog/AbstractDataFileDialog.py b/src/silx/gui/dialog/AbstractDataFileDialog.py index f656bb2..00db275 100644 --- a/src/silx/gui/dialog/AbstractDataFileDialog.py +++ b/src/silx/gui/dialog/AbstractDataFileDialog.py @@ -56,7 +56,6 @@ some version of PyQt.""" class _IconProvider(object): - FileDialogToParentDir = qt.QStyle.SP_CustomBase + 1 FileDialogToParentFile = qt.QStyle.SP_CustomBase + 2 @@ -92,7 +91,9 @@ class _IconProvider(object): pixmap.fill(qt.Qt.transparent) painter = qt.QPainter(pixmap) painter.drawPixmap(0, 0, backgroundIcon.pixmap(baseSize, mode=mode)) - painter.drawPixmap(0, size.height() // 3, baseIcon.pixmap(baseSize, mode=mode)) + painter.drawPixmap( + 0, size.height() // 3, baseIcon.pixmap(baseSize, mode=mode) + ) painter.end() icon.addPixmap(pixmap, mode=mode) @@ -100,12 +101,16 @@ class _IconProvider(object): def getFileDialogToParentDir(self): if self.__iconFileDialogToParentDir is None: - self.__iconFileDialogToParentDir = self._createIconToParent(qt.QStyle.SP_DirIcon) + self.__iconFileDialogToParentDir = self._createIconToParent( + qt.QStyle.SP_DirIcon + ) return self.__iconFileDialogToParentDir def getFileDialogToParentFile(self): if self.__iconFileDialogToParentFile is None: - self.__iconFileDialogToParentFile = self._createIconToParent(qt.QStyle.SP_FileIcon) + self.__iconFileDialogToParentFile = self._createIconToParent( + qt.QStyle.SP_FileIcon + ) return self.__iconFileDialogToParentFile def icon(self, kind): @@ -147,13 +152,17 @@ class _SideBar(qt.QListView): :rtype: List[str] """ urls = [] - version = tuple(map(int, qt.qVersion().split('.')[:3])) + version = tuple(map(int, qt.qVersion().split(".")[:3])) feed_sidebar = True if not DEFAULT_SIDEBAR_URL: _logger.debug("Skip default sidebar URLs (from setted variable)") feed_sidebar = False - elif version < (5, 11, 2) and qt.BINDING == "PyQt5" and sys.platform in ["linux", "linux2"]: + elif ( + version < (5, 11, 2) + and qt.BINDING == "PyQt5" + and sys.platform in ["linux", "linux2"] + ): # Avoid segfault on PyQt5 + gtk _logger.debug("Skip default sidebar URLs (avoid PyQt5 segfault)") feed_sidebar = False @@ -186,7 +195,9 @@ class _SideBar(qt.QListView): selectionModel = self.selectionModel() if selected is not None: - selectionModel.setCurrentIndex(selected, qt.QItemSelectionModel.ClearAndSelect) + selectionModel.setCurrentIndex( + selected, qt.QItemSelectionModel.ClearAndSelect + ) else: selectionModel.clear() @@ -232,11 +243,12 @@ class _SideBar(qt.QListView): def sizeHint(self): index = self.model().index(0, 0) - return self.sizeHintForIndex(index) + qt.QSize(2 * self.frameWidth(), 2 * self.frameWidth()) + return self.sizeHintForIndex(index) + qt.QSize( + 2 * self.frameWidth(), 2 * self.frameWidth() + ) class _Browser(qt.QStackedWidget): - activated = qt.Signal(qt.QModelIndex) selected = qt.Signal(qt.QModelIndex) rootIndexChanged = qt.Signal(qt.QModelIndex) @@ -302,7 +314,7 @@ class _Browser(qt.QStackedWidget): elif self.currentIndex() == 1: return qt.QFileDialog.Detail else: - assert(False) + assert False def setViewMode(self, mode): """Set the current view mode. @@ -314,7 +326,7 @@ class _Browser(qt.QStackedWidget): elif mode == qt.QFileDialog.List: self.showList() else: - assert(False) + assert False def showList(self): self.__listView.show() @@ -342,11 +354,10 @@ class _Browser(qt.QStackedWidget): self.__detailView.setModel(None) def setRootIndex(self, index, model=None): - """Sets the root item to the item at the given index. - """ + """Sets the root item to the item at the given index.""" rootIndex = self.__listView.rootIndex() newModel = model or index.model() - assert(newModel is not None) + assert newModel is not None if rootIndex is None or rootIndex.model() is not newModel: # update the model @@ -415,12 +426,16 @@ class _Browser(qt.QStackedWidget): nameId = stream.readQString() if nameId != "Browser": - _logger.warning("Stored state contains an invalid name id. Browser restoration cancelled.") + _logger.warning( + "Stored state contains an invalid name id. Browser restoration cancelled." + ) return False version = stream.readInt32() if version != self.__serialVersion: - _logger.warning("Stored state contains an invalid version. Browser restoration cancelled.") + _logger.warning( + "Stored state contains an invalid version. Browser restoration cancelled." + ) return False headerData = stream.readQVariant() @@ -438,12 +453,12 @@ class _Browser(qt.QStackedWidget): data = qt.QByteArray() stream = qt.QDataStream(data, qt.QIODevice.WriteOnly) - nameId = u"Browser" + nameId = "Browser" stream.writeQString(nameId) stream.writeInt32(self.__serialVersion) stream.writeQVariant(self.__detailView.header().saveState()) viewMode = self.viewMode() - if qt.BINDING == 'PyQt6': # No auto conversion to int + if qt.BINDING in ("PyQt6", "PySide6"): # No auto conversion to int viewMode = viewMode.value stream.writeInt32(viewMode) @@ -451,7 +466,6 @@ class _Browser(qt.QStackedWidget): class _FabioData(object): - def __init__(self, fabioFile): self.__fabioFile = fabioFile @@ -492,7 +506,6 @@ class _PathEdit(qt.QLineEdit): class _CatchResizeEvent(qt.QObject): - resized = qt.Signal(qt.QResizeEvent) def __init__(self, parent, target): @@ -565,6 +578,7 @@ class AbstractDataFileDialog(qt.QDialog): _logger.debug("Uses default QFileSystemModel with a SafeFileIconProvider") self.__fileModel = qt.QFileSystemModel(self) from .SafeFileIconProvider import SafeFileIconProvider + iconProvider = SafeFileIconProvider() self.__fileModel.setIconProvider(iconProvider) @@ -677,8 +691,12 @@ class AbstractDataFileDialog(qt.QDialog): self.__fileTypeCombo = FileTypeComboBox(self) self.__fileTypeCombo.setObjectName("fileTypeCombo") self.__fileTypeCombo.setDuplicatesEnabled(False) - self.__fileTypeCombo.setSizeAdjustPolicy(qt.QComboBox.AdjustToMinimumContentsLengthWithIcon) - self.__fileTypeCombo.setSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Fixed) + self.__fileTypeCombo.setSizeAdjustPolicy( + qt.QComboBox.AdjustToMinimumContentsLengthWithIcon + ) + self.__fileTypeCombo.setSizePolicy( + qt.QSizePolicy.Expanding, qt.QSizePolicy.Fixed + ) self.__fileTypeCombo.activated[int].connect(self.__filterSelected) self.__fileTypeCombo.setFabioUrlSupproted(self._isFabioFilesSupported()) @@ -708,7 +726,9 @@ class AbstractDataFileDialog(qt.QDialog): if self.__selectorWidget is not None: self.__selectorWidget.selectionChanged.connect(self.__selectorWidgetChanged) - self.__previewToolBar = self._createPreviewToolbar(self, self.__previewWidget, self.__selectorWidget) + self.__previewToolBar = self._createPreviewToolbar( + self, self.__previewWidget, self.__selectorWidget + ) self.__dataIcon = qt.QLabel(self) self.__dataIcon.setSizePolicy(qt.QSizePolicy.Fixed, qt.QSizePolicy.Fixed) @@ -767,7 +787,9 @@ class AbstractDataFileDialog(qt.QDialog): parentFileDirectory = qt.QAction(toolbar) parentFileDirectory.setText("Parent directory of the file") parentFileDirectory.setObjectName("toDirectoryAction") - parentFileDirectory.setIcon(iconProvider.icon(iconProvider.FileDialogToParentDir)) + parentFileDirectory.setIcon( + iconProvider.icon(iconProvider.FileDialogToParentDir) + ) parentFileDirectory.triggered.connect(self.__navigateToParentDir) self.__parentFileDirectoryAction = parentFileDirectory @@ -818,11 +840,15 @@ class AbstractDataFileDialog(qt.QDialog): dummyCombo.setFixedHeight(self.__fileTypeCombo.height()) self.__resizeCombo = _CatchResizeEvent(self, self.__fileTypeCombo) - self.__resizeCombo.resized.connect(lambda e: dummyCombo.setFixedHeight(e.size().height())) + self.__resizeCombo.resized.connect( + lambda e: dummyCombo.setFixedHeight(e.size().height()) + ) dummyToolBar.setFixedHeight(self.__browseToolBar.height()) self.__resizeToolbar = _CatchResizeEvent(self, self.__browseToolBar) - self.__resizeToolbar.resized.connect(lambda e: dummyToolBar.setFixedHeight(e.size().height())) + self.__resizeToolbar.resized.connect( + lambda e: dummyToolBar.setFixedHeight(e.size().height()) + ) datasetSelection = qt.QWidget(self) layoutLeft = qt.QVBoxLayout() @@ -831,7 +857,9 @@ class AbstractDataFileDialog(qt.QDialog): layoutLeft.addWidget(self.__browser) layoutLeft.addWidget(self.__fileTypeCombo) datasetSelection.setLayout(layoutLeft) - datasetSelection.setSizePolicy(qt.QSizePolicy.MinimumExpanding, qt.QSizePolicy.Expanding) + datasetSelection.setSizePolicy( + qt.QSizePolicy.MinimumExpanding, qt.QSizePolicy.Expanding + ) infoLayout = qt.QHBoxLayout() infoLayout.setContentsMargins(0, 0, 0, 0) @@ -858,7 +886,9 @@ class AbstractDataFileDialog(qt.QDialog): dummyToolbar2.setSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Fixed) dummyToolbar2.setFixedHeight(self.__browseToolBar.height()) self.__resizeToolbar = _CatchResizeEvent(self, self.__browseToolBar) - self.__resizeToolbar.resized.connect(lambda e: dummyToolbar2.setFixedHeight(e.size().height())) + self.__resizeToolbar.resized.connect( + lambda e: dummyToolbar2.setFixedHeight(e.size().height()) + ) dataLayout.addWidget(dummyToolbar2) dataLayout.addWidget(dataFrame) @@ -870,7 +900,9 @@ class AbstractDataFileDialog(qt.QDialog): dummyCombo2.setSizePolicy(qt.QSizePolicy.Expanding, qt.QSizePolicy.Fixed) dummyCombo2.setFixedHeight(self.__fileTypeCombo.height()) self.__resizeToolbar = _CatchResizeEvent(self, self.__fileTypeCombo) - self.__resizeToolbar.resized.connect(lambda e: dummyCombo2.setFixedHeight(e.size().height())) + self.__resizeToolbar.resized.connect( + lambda e: dummyCombo2.setFixedHeight(e.size().height()) + ) dataLayout.addWidget(dummyCombo2) dataSelection.setLayout(dataLayout) @@ -904,7 +936,10 @@ class AbstractDataFileDialog(qt.QDialog): def __navigateForward(self): """Navigate through the history one step forward.""" - if len(self.__currentHistory) > 0 and self.__currentHistoryLocation < len(self.__currentHistory) - 1: + if ( + len(self.__currentHistory) > 0 + and self.__currentHistoryLocation < len(self.__currentHistory) - 1 + ): self.__currentHistoryLocation += 1 url = self.__currentHistory[self.__currentHistoryLocation] self.selectUrl(url) @@ -971,7 +1006,7 @@ class AbstractDataFileDialog(qt.QDialog): self.__listViewAction.setChecked(True) self.__detailViewAction.setChecked(False) else: - assert(False) + assert False def __showAsListView(self): self.setViewMode(qt.QFileDialog.List) @@ -1005,7 +1040,7 @@ class AbstractDataFileDialog(qt.QDialog): if silx.io.is_group(obj): self.__browser.setRootIndex(index) else: - assert(False) + assert False def __browsedItemSelected(self, index): self.__dataSelected(index) @@ -1020,7 +1055,7 @@ class AbstractDataFileDialog(qt.QDialog): :param str path: Path to load """ - assert(path is not None) + assert path is not None if path != "" and not os.path.exists(path): return if self.hasPendingEvents(): @@ -1102,8 +1137,7 @@ class AbstractDataFileDialog(qt.QDialog): return True def __isSilxHavePriority(self, filename): - """Silx have priority when there is a specific decoder - """ + """Silx have priority when there is a specific decoder""" _, ext = os.path.splitext(filename) ext = "*%s" % ext formats = silx.io.supported_extensions(flat_formats=False) @@ -1166,14 +1200,17 @@ class AbstractDataFileDialog(qt.QDialog): if os.path.isfile(path): codec = self.__fileTypeCombo.currentCodec() is_fabio_decoder = codec.is_fabio_codec() - is_fabio_have_priority = not codec.is_silx_codec() and not self.__isSilxHavePriority(path) + is_fabio_have_priority = ( + not codec.is_silx_codec() + and not self.__isSilxHavePriority(path) + ) if is_fabio_decoder or is_fabio_have_priority: # Then it's flat frame container self.__openFabioFile(path) if self.__fabio is not None: selectedData = _FabioData(self.__fabio) else: - assert(False) + assert False self.__setData(selectedData) @@ -1193,7 +1230,9 @@ class AbstractDataFileDialog(qt.QDialog): self.__setSelectedData(data) self.__selectorWidget.hide() else: - self.__selectorWidget.setVisible(self.__selectorWidget.hasVisibleSelectors()) + self.__selectorWidget.setVisible( + self.__selectorWidget.hasVisibleSelectors() + ) # Needed to fake the fact we have to reset the zoom in preview self.__selectedData = None self.__selectorWidget.selectionChanged.emit() @@ -1266,7 +1305,10 @@ class AbstractDataFileDialog(qt.QDialog): def __updateDataInfo(self): if self.__errorWhileLoadingFile is not None: filename, message = self.__errorWhileLoadingFile - message = "<b>Error while loading file '%s'</b><hr/>%s" % (filename, message) + message = "<b>Error while loading file '%s'</b><hr/>%s" % ( + filename, + message, + ) size = self.__dataInfo.height() icon = self.style().standardIcon(qt.QStyle.SP_MessageBoxCritical) pixmap = icon.pixmap(size, size) @@ -1317,7 +1359,11 @@ class AbstractDataFileDialog(qt.QDialog): filename = "" dataPath = None - if useSelectorWidget and self.__selectorWidget is not None and self.__selectorWidget.isUsed(): + if ( + useSelectorWidget + and self.__selectorWidget is not None + and self.__selectorWidget.isUsed() + ): slicing = self.__selectorWidget.slicing() if slicing == tuple(): slicing = None @@ -1340,7 +1386,9 @@ class AbstractDataFileDialog(qt.QDialog): else: scheme = None - url = silx.io.url.DataUrl(file_path=filename, data_path=dataPath, data_slice=slicing, scheme=scheme) + url = silx.io.url.DataUrl( + file_path=filename, data_path=dataPath, data_slice=slicing, scheme=scheme + ) return url def __updatePath(self): @@ -1362,7 +1410,9 @@ class AbstractDataFileDialog(qt.QDialog): if currentUrl is None or currentUrl != url.path(): # clean up the forward history - self.__currentHistory = self.__currentHistory[0:self.__currentHistoryLocation + 1] + self.__currentHistory = self.__currentHistory[ + 0 : self.__currentHistoryLocation + 1 + ] self.__currentHistory.append(url.path()) self.__currentHistoryLocation += 1 @@ -1400,15 +1450,16 @@ class AbstractDataFileDialog(qt.QDialog): selectionModel.selectionChanged.connect(self.__shortcutSelected) def __updateActionHistory(self): - self.__forwardAction.setEnabled(len(self.__currentHistory) - 1 > self.__currentHistoryLocation) + self.__forwardAction.setEnabled( + len(self.__currentHistory) - 1 > self.__currentHistoryLocation + ) self.__backwardAction.setEnabled(self.__currentHistoryLocation > 0) def __textChanged(self, text): self.__pathChanged() def _isFabioFilesSupported(self): - """Returns true fabio files can be loaded. - """ + """Returns true fabio files can be loaded.""" return True def _isLoadableUrl(self, url): @@ -1479,7 +1530,7 @@ class AbstractDataFileDialog(qt.QDialog): # data = _FabioData(self.__fabio) # self.__setData(data) else: - assert(False) + assert False else: self.__browser.setRootIndex(index, model=self.__fileModel) self.__clearData() @@ -1615,7 +1666,7 @@ class AbstractDataFileDialog(qt.QDialog): """ if len(self.__currentHistory) <= 1: return [] - history = self.__currentHistory[0:self.__currentHistoryLocation] + history = self.__currentHistory[0 : self.__currentHistoryLocation] return list(history) def setHistory(self, history): @@ -1670,12 +1721,18 @@ class AbstractDataFileDialog(qt.QDialog): qualifiedName = stream.readQString() if qualifiedName != self.qualifiedName(): - _logger.warning("Stored state contains an invalid qualified name. %s restoration cancelled.", self.__class__.__name__) + _logger.warning( + "Stored state contains an invalid qualified name. %s restoration cancelled.", + self.__class__.__name__, + ) return False version = stream.readInt32() if version != self.__serialVersion: - _logger.warning("Stored state contains an invalid version. %s restoration cancelled.", self.__class__.__name__) + _logger.warning( + "Stored state contains an invalid version. %s restoration cancelled.", + self.__class__.__name__, + ) return False result = True @@ -1713,17 +1770,17 @@ class AbstractDataFileDialog(qt.QDialog): stream = qt.QDataStream(data, qt.QIODevice.WriteOnly) s = self.qualifiedName() - stream.writeQString(u"%s" % s) + stream.writeQString("%s" % s) stream.writeInt32(self.__serialVersion) stream.writeQVariant(self.__splitter.saveState()) - strings = [u"%s" % s.toString() for s in self.sidebarUrls()] + strings = ["%s" % s.toString() for s in self.sidebarUrls()] stream.writeQStringList(strings) - strings = [u"%s" % s for s in self.history()] + strings = ["%s" % s for s in self.history()] stream.writeQStringList(strings) - stream.writeQString(u"%s" % self.directory()) + stream.writeQString("%s" % self.directory()) stream.writeQVariant(self.__browser.saveState()) viewMode = self.viewMode() - if qt.BINDING == 'PyQt6': # No auto conversion to int + if qt.BINDING in ("PyQt6", "PySide6"): # No auto conversion to int viewMode = viewMode.value stream.writeInt32(viewMode) colormap = self.colormap() |