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Diffstat (limited to 'silx/app/view/Viewer.py')
| -rw-r--r-- | silx/app/view/Viewer.py | 831 |
1 files changed, 0 insertions, 831 deletions
diff --git a/silx/app/view/Viewer.py b/silx/app/view/Viewer.py deleted file mode 100644 index 88ff989..0000000 --- a/silx/app/view/Viewer.py +++ /dev/null @@ -1,831 +0,0 @@ -# coding: utf-8 -# /*########################################################################## -# Copyright (C) 2016-2018 European Synchrotron Radiation Facility -# -# Permission is hereby granted, free of charge, to any person obtaining a copy -# of this software and associated documentation files (the "Software"), to deal -# in the Software without restriction, including without limitation the rights -# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -# copies of the Software, and to permit persons to whom the Software is -# furnished to do so, subject to the following conditions: -# -# The above copyright notice and this permission notice shall be included in -# all copies or substantial portions of the Software. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -# THE SOFTWARE. -# -# ############################################################################*/ -"""Browse a data file with a GUI""" - -__authors__ = ["V. Valls"] -__license__ = "MIT" -__date__ = "08/10/2018" - - -import os -import collections -import logging -import functools - -import silx.io.nxdata -from silx.gui import qt -from silx.gui import icons -import silx.gui.hdf5 -from .ApplicationContext import ApplicationContext -from .CustomNxdataWidget import CustomNxdataWidget -from .CustomNxdataWidget import CustomNxDataToolBar -from . import utils -from .DataPanel import DataPanel - - -_logger = logging.getLogger(__name__) - - -class Viewer(qt.QMainWindow): - """ - This window allows to browse a data file like images or HDF5 and it's - content. - """ - - def __init__(self, parent=None, settings=None): - """ - Constructor - """ - - qt.QMainWindow.__init__(self, parent) - self.setWindowTitle("Silx viewer") - - self.__context = ApplicationContext(self, settings) - self.__context.restoreLibrarySettings() - - self.__dialogState = None - self.__customNxDataItem = None - self.__treeview = silx.gui.hdf5.Hdf5TreeView(self) - self.__treeview.setExpandsOnDoubleClick(False) - """Silx HDF5 TreeView""" - - rightPanel = qt.QSplitter(self) - rightPanel.setOrientation(qt.Qt.Vertical) - self.__splitter2 = rightPanel - - self.__treeWindow = self.__createTreeWindow(self.__treeview) - - # Custom the model to be able to manage the life cycle of the files - treeModel = silx.gui.hdf5.Hdf5TreeModel(self.__treeview, ownFiles=False) - treeModel.sigH5pyObjectLoaded.connect(self.__h5FileLoaded) - treeModel.sigH5pyObjectRemoved.connect(self.__h5FileRemoved) - treeModel.sigH5pyObjectSynchronized.connect(self.__h5FileSynchonized) - treeModel.setDatasetDragEnabled(True) - treeModel2 = silx.gui.hdf5.NexusSortFilterProxyModel(self.__treeview) - treeModel2.setSourceModel(treeModel) - treeModel2.sort(0, qt.Qt.AscendingOrder) - treeModel2.setSortCaseSensitivity(qt.Qt.CaseInsensitive) - - self.__treeview.setModel(treeModel2) - rightPanel.addWidget(self.__treeWindow) - - self.__customNxdata = CustomNxdataWidget(self) - self.__customNxdata.setSelectionBehavior(qt.QAbstractItemView.SelectRows) - # optimise the rendering - self.__customNxdata.setUniformRowHeights(True) - self.__customNxdata.setIconSize(qt.QSize(16, 16)) - self.__customNxdata.setExpandsOnDoubleClick(False) - - self.__customNxdataWindow = self.__createCustomNxdataWindow(self.__customNxdata) - self.__customNxdataWindow.setVisible(False) - rightPanel.addWidget(self.__customNxdataWindow) - - rightPanel.setStretchFactor(1, 1) - rightPanel.setCollapsible(0, False) - rightPanel.setCollapsible(1, False) - - self.__dataPanel = DataPanel(self, self.__context) - - spliter = qt.QSplitter(self) - spliter.addWidget(rightPanel) - spliter.addWidget(self.__dataPanel) - spliter.setStretchFactor(1, 1) - self.__splitter = spliter - - main_panel = qt.QWidget(self) - layout = qt.QVBoxLayout() - layout.addWidget(spliter) - layout.setStretchFactor(spliter, 1) - main_panel.setLayout(layout) - - self.setCentralWidget(main_panel) - - self.__treeview.activated.connect(self.displaySelectedData) - self.__customNxdata.activated.connect(self.displaySelectedCustomData) - self.__customNxdata.sigNxdataItemRemoved.connect(self.__customNxdataRemoved) - self.__customNxdata.sigNxdataItemUpdated.connect(self.__customNxdataUpdated) - self.__treeview.addContextMenuCallback(self.customContextMenu) - - treeModel = self.__treeview.findHdf5TreeModel() - columns = list(treeModel.COLUMN_IDS) - columns.remove(treeModel.DESCRIPTION_COLUMN) - columns.remove(treeModel.NODE_COLUMN) - self.__treeview.header().setSections(columns) - - self._iconUpward = icons.getQIcon('plot-yup') - self._iconDownward = icons.getQIcon('plot-ydown') - - self.createActions() - self.createMenus() - self.__context.restoreSettings() - - def __createTreeWindow(self, treeView): - toolbar = qt.QToolBar(self) - toolbar.setIconSize(qt.QSize(16, 16)) - toolbar.setStyleSheet("QToolBar { border: 0px }") - - action = qt.QAction(toolbar) - action.setIcon(icons.getQIcon("view-refresh")) - action.setText("Refresh") - action.setToolTip("Refresh all selected items") - action.triggered.connect(self.__refreshSelected) - action.setShortcut(qt.QKeySequence(qt.Qt.ControlModifier + qt.Qt.Key_Plus)) - toolbar.addAction(action) - treeView.addAction(action) - self.__refreshAction = action - - toolbar.addSeparator() - - action = qt.QAction(toolbar) - action.setIcon(icons.getQIcon("tree-expand-all")) - action.setText("Expand all") - action.setToolTip("Expand all selected items") - action.triggered.connect(self.__expandAllSelected) - action.setShortcut(qt.QKeySequence(qt.Qt.ControlModifier + qt.Qt.Key_Plus)) - toolbar.addAction(action) - treeView.addAction(action) - self.__expandAllAction = action - - action = qt.QAction(toolbar) - action.setIcon(icons.getQIcon("tree-collapse-all")) - action.setText("Collapse all") - action.setToolTip("Collapse all selected items") - action.triggered.connect(self.__collapseAllSelected) - action.setShortcut(qt.QKeySequence(qt.Qt.ControlModifier + qt.Qt.Key_Minus)) - toolbar.addAction(action) - treeView.addAction(action) - self.__collapseAllAction = action - - widget = qt.QWidget(self) - layout = qt.QVBoxLayout(widget) - layout.setContentsMargins(0, 0, 0, 0) - layout.setSpacing(0) - layout.addWidget(toolbar) - layout.addWidget(treeView) - return widget - - def __refreshSelected(self): - """Refresh all selected items - """ - qt.QApplication.setOverrideCursor(qt.Qt.WaitCursor) - - selection = self.__treeview.selectionModel() - indexes = selection.selectedIndexes() - selectedItems = [] - model = self.__treeview.model() - h5files = set([]) - while len(indexes) > 0: - index = indexes.pop(0) - if index.column() != 0: - continue - h5 = model.data(index, role=silx.gui.hdf5.Hdf5TreeModel.H5PY_OBJECT_ROLE) - rootIndex = index - # Reach the root of the tree - while rootIndex.parent().isValid(): - rootIndex = rootIndex.parent() - rootRow = rootIndex.row() - relativePath = self.__getRelativePath(model, rootIndex, index) - selectedItems.append((rootRow, relativePath)) - h5files.add(h5.file) - - if len(h5files) == 0: - qt.QApplication.restoreOverrideCursor() - return - - model = self.__treeview.findHdf5TreeModel() - for h5 in h5files: - self.__synchronizeH5pyObject(h5) - - model = self.__treeview.model() - itemSelection = qt.QItemSelection() - for rootRow, relativePath in selectedItems: - rootIndex = model.index(rootRow, 0, qt.QModelIndex()) - index = self.__indexFromPath(model, rootIndex, relativePath) - if index is None: - continue - indexEnd = model.index(index.row(), model.columnCount() - 1, index.parent()) - itemSelection.select(index, indexEnd) - selection.select(itemSelection, qt.QItemSelectionModel.ClearAndSelect) - - qt.QApplication.restoreOverrideCursor() - - def __synchronizeH5pyObject(self, h5): - model = self.__treeview.findHdf5TreeModel() - # This is buggy right now while h5py do not allow to close a file - # while references are still used. - # FIXME: The architecture have to be reworked to support this feature. - # model.synchronizeH5pyObject(h5) - - filename = h5.filename - row = model.h5pyObjectRow(h5) - index = self.__treeview.model().index(row, 0, qt.QModelIndex()) - paths = self.__getPathFromExpandedNodes(self.__treeview, index) - model.removeH5pyObject(h5) - model.insertFile(filename, row) - index = self.__treeview.model().index(row, 0, qt.QModelIndex()) - self.__expandNodesFromPaths(self.__treeview, index, paths) - - def __getRelativePath(self, model, rootIndex, index): - """Returns a relative path from an index to his rootIndex. - - If the path is empty the index is also the rootIndex. - """ - path = "" - while index.isValid(): - if index == rootIndex: - return path - name = model.data(index) - if path == "": - path = name - else: - path = name + "/" + path - index = index.parent() - - # index is not a children of rootIndex - raise ValueError("index is not a children of the rootIndex") - - def __getPathFromExpandedNodes(self, view, rootIndex): - """Return relative path from the root index of the extended nodes""" - model = view.model() - rootPath = None - paths = [] - indexes = [rootIndex] - while len(indexes): - index = indexes.pop(0) - if not view.isExpanded(index): - continue - - node = model.data(index, role=silx.gui.hdf5.Hdf5TreeModel.H5PY_ITEM_ROLE) - path = node._getCanonicalName() - if rootPath is None: - rootPath = path - path = path[len(rootPath):] - paths.append(path) - - for child in range(model.rowCount(index)): - childIndex = model.index(child, 0, index) - indexes.append(childIndex) - return paths - - def __indexFromPath(self, model, rootIndex, path): - elements = path.split("/") - if elements[0] == "": - elements.pop(0) - index = rootIndex - while len(elements) != 0: - element = elements.pop(0) - found = False - for child in range(model.rowCount(index)): - childIndex = model.index(child, 0, index) - name = model.data(childIndex) - if element == name: - index = childIndex - found = True - break - if not found: - return None - return index - - def __expandNodesFromPaths(self, view, rootIndex, paths): - model = view.model() - for path in paths: - index = self.__indexFromPath(model, rootIndex, path) - if index is not None: - view.setExpanded(index, True) - - def __expandAllSelected(self): - """Expand all selected items of the tree. - - The depth is fixed to avoid infinite loop with recurssive links. - """ - qt.QApplication.setOverrideCursor(qt.Qt.WaitCursor) - - selection = self.__treeview.selectionModel() - indexes = selection.selectedIndexes() - model = self.__treeview.model() - while len(indexes) > 0: - index = indexes.pop(0) - if index.column() != 0: - continue - if isinstance(index, tuple): - index, depth = index - else: - depth = 0 - - if depth > 10: - # Avoid infinite loop with recursive links - break - - if model.hasChildren(index): - self.__treeview.setExpanded(index, True) - for row in range(model.rowCount(index)): - childIndex = model.index(row, 0, index) - indexes.append((childIndex, depth + 1)) - qt.QApplication.restoreOverrideCursor() - - def __collapseAllSelected(self): - """Collapse all selected items of the tree. - - The depth is fixed to avoid infinite loop with recurssive links. - """ - selection = self.__treeview.selectionModel() - indexes = selection.selectedIndexes() - model = self.__treeview.model() - while len(indexes) > 0: - index = indexes.pop(0) - if index.column() != 0: - continue - if isinstance(index, tuple): - index, depth = index - else: - depth = 0 - - if depth > 10: - # Avoid infinite loop with recursive links - break - - if model.hasChildren(index): - self.__treeview.setExpanded(index, False) - for row in range(model.rowCount(index)): - childIndex = model.index(row, 0, index) - indexes.append((childIndex, depth + 1)) - - def __createCustomNxdataWindow(self, customNxdataWidget): - toolbar = CustomNxDataToolBar(self) - toolbar.setCustomNxDataWidget(customNxdataWidget) - toolbar.setIconSize(qt.QSize(16, 16)) - toolbar.setStyleSheet("QToolBar { border: 0px }") - - widget = qt.QWidget(self) - layout = qt.QVBoxLayout(widget) - layout.setContentsMargins(0, 0, 0, 0) - layout.setSpacing(0) - layout.addWidget(toolbar) - layout.addWidget(customNxdataWidget) - return widget - - def __h5FileLoaded(self, loadedH5): - self.__context.pushRecentFile(loadedH5.file.filename) - - def __h5FileRemoved(self, removedH5): - self.__dataPanel.removeDatasetsFrom(removedH5) - self.__customNxdata.removeDatasetsFrom(removedH5) - removedH5.close() - - def __h5FileSynchonized(self, removedH5, loadedH5): - self.__dataPanel.replaceDatasetsFrom(removedH5, loadedH5) - self.__customNxdata.replaceDatasetsFrom(removedH5, loadedH5) - removedH5.close() - - def closeEvent(self, event): - self.__context.saveSettings() - - # Clean up as much as possible Python objects - model = self.__customNxdata.model() - model.clear() - model = self.__treeview.findHdf5TreeModel() - model.clear() - - def saveSettings(self, settings): - """Save the window settings to this settings object - - :param qt.QSettings settings: Initialized settings - """ - isFullScreen = bool(self.windowState() & qt.Qt.WindowFullScreen) - if isFullScreen: - # show in normal to catch the normal geometry - self.showNormal() - - settings.beginGroup("mainwindow") - settings.setValue("size", self.size()) - settings.setValue("pos", self.pos()) - settings.setValue("full-screen", isFullScreen) - settings.endGroup() - - settings.beginGroup("mainlayout") - settings.setValue("spliter", self.__splitter.sizes()) - settings.setValue("spliter2", self.__splitter2.sizes()) - isVisible = self.__customNxdataWindow.isVisible() - settings.setValue("custom-nxdata-window-visible", isVisible) - settings.endGroup() - - if isFullScreen: - self.showFullScreen() - - def restoreSettings(self, settings): - """Restore the window settings using this settings object - - :param qt.QSettings settings: Initialized settings - """ - settings.beginGroup("mainwindow") - size = settings.value("size", qt.QSize(640, 480)) - pos = settings.value("pos", qt.QPoint()) - isFullScreen = settings.value("full-screen", False) - try: - if not isinstance(isFullScreen, bool): - isFullScreen = utils.stringToBool(isFullScreen) - except ValueError: - isFullScreen = False - settings.endGroup() - - settings.beginGroup("mainlayout") - try: - data = settings.value("spliter") - data = [int(d) for d in data] - self.__splitter.setSizes(data) - except Exception: - _logger.debug("Backtrace", exc_info=True) - try: - data = settings.value("spliter2") - data = [int(d) for d in data] - self.__splitter2.setSizes(data) - except Exception: - _logger.debug("Backtrace", exc_info=True) - isVisible = settings.value("custom-nxdata-window-visible", False) - try: - if not isinstance(isVisible, bool): - isVisible = utils.stringToBool(isVisible) - except ValueError: - isVisible = False - self.__customNxdataWindow.setVisible(isVisible) - self._displayCustomNxdataWindow.setChecked(isVisible) - - settings.endGroup() - - if not pos.isNull(): - self.move(pos) - if not size.isNull(): - self.resize(size) - if isFullScreen: - self.showFullScreen() - - def createActions(self): - action = qt.QAction("E&xit", self) - action.setShortcuts(qt.QKeySequence.Quit) - action.setStatusTip("Exit the application") - action.triggered.connect(self.close) - self._exitAction = action - - action = qt.QAction("&Open...", self) - action.setStatusTip("Open a file") - action.triggered.connect(self.open) - self._openAction = action - - action = qt.QAction("Open Recent", self) - action.setStatusTip("Open a recently openned file") - action.triggered.connect(self.open) - self._openRecentAction = action - - action = qt.QAction("&About", self) - action.setStatusTip("Show the application's About box") - action.triggered.connect(self.about) - self._aboutAction = action - - # Plot backend - - action = qt.QAction("Plot rendering backend", self) - action.setStatusTip("Select plot rendering backend") - self._plotBackendSelection = action - - menu = qt.QMenu() - action.setMenu(menu) - group = qt.QActionGroup(self) - group.setExclusive(True) - - action = qt.QAction("matplotlib", self) - action.setStatusTip("Plot will be rendered using matplotlib") - action.setCheckable(True) - action.triggered.connect(self.__forceMatplotlibBackend) - group.addAction(action) - menu.addAction(action) - self._usePlotWithMatplotlib = action - - action = qt.QAction("OpenGL", self) - action.setStatusTip("Plot will be rendered using OpenGL") - action.setCheckable(True) - action.triggered.connect(self.__forceOpenglBackend) - group.addAction(action) - menu.addAction(action) - self._usePlotWithOpengl = action - - # Plot image orientation - - action = qt.QAction("Default plot image y-axis orientation", self) - action.setStatusTip("Select the default y-axis orientation used by plot displaying images") - self._plotImageOrientation = action - - menu = qt.QMenu() - action.setMenu(menu) - group = qt.QActionGroup(self) - group.setExclusive(True) - - action = qt.QAction("Downward, origin on top", self) - action.setIcon(self._iconDownward) - action.setStatusTip("Plot images will use a downward Y-axis orientation") - action.setCheckable(True) - action.triggered.connect(self.__forcePlotImageDownward) - group.addAction(action) - menu.addAction(action) - self._useYAxisOrientationDownward = action - - action = qt.QAction("Upward, origin on bottom", self) - action.setIcon(self._iconUpward) - action.setStatusTip("Plot images will use a upward Y-axis orientation") - action.setCheckable(True) - action.triggered.connect(self.__forcePlotImageUpward) - group.addAction(action) - menu.addAction(action) - self._useYAxisOrientationUpward = action - - # Windows - - action = qt.QAction("Show custom NXdata selector", self) - action.setStatusTip("Show a widget which allow to create plot by selecting data and axes") - action.setCheckable(True) - action.setShortcut(qt.QKeySequence(qt.Qt.Key_F5)) - action.toggled.connect(self.__toggleCustomNxdataWindow) - self._displayCustomNxdataWindow = action - - def __toggleCustomNxdataWindow(self): - isVisible = self._displayCustomNxdataWindow.isChecked() - self.__customNxdataWindow.setVisible(isVisible) - - def __updateFileMenu(self): - files = self.__context.getRecentFiles() - self._openRecentAction.setEnabled(len(files) != 0) - menu = None - if len(files) != 0: - menu = qt.QMenu() - for filePath in files: - baseName = os.path.basename(filePath) - action = qt.QAction(baseName, self) - action.setToolTip(filePath) - action.triggered.connect(functools.partial(self.__openRecentFile, filePath)) - menu.addAction(action) - menu.addSeparator() - baseName = os.path.basename(filePath) - action = qt.QAction("Clear history", self) - action.setToolTip("Clear the history of the recent files") - action.triggered.connect(self.__clearRecentFile) - menu.addAction(action) - self._openRecentAction.setMenu(menu) - - def __clearRecentFile(self): - self.__context.clearRencentFiles() - - def __openRecentFile(self, filePath): - self.appendFile(filePath) - - def __updateOptionMenu(self): - """Update the state of the checked options as it is based on global - environment values.""" - - # plot backend - - action = self._plotBackendSelection - title = action.text().split(": ", 1)[0] - action.setText("%s: %s" % (title, silx.config.DEFAULT_PLOT_BACKEND)) - - action = self._usePlotWithMatplotlib - action.setChecked(silx.config.DEFAULT_PLOT_BACKEND in ["matplotlib", "mpl"]) - title = action.text().split(" (", 1)[0] - if not action.isChecked(): - title += " (applied after application restart)" - action.setText(title) - - action = self._usePlotWithOpengl - action.setChecked(silx.config.DEFAULT_PLOT_BACKEND in ["opengl", "gl"]) - title = action.text().split(" (", 1)[0] - if not action.isChecked(): - title += " (applied after application restart)" - action.setText(title) - - # plot orientation - - action = self._plotImageOrientation - if silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION == "downward": - action.setIcon(self._iconDownward) - else: - action.setIcon(self._iconUpward) - action.setIconVisibleInMenu(True) - - action = self._useYAxisOrientationDownward - action.setChecked(silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION == "downward") - title = action.text().split(" (", 1)[0] - if not action.isChecked(): - title += " (applied after application restart)" - action.setText(title) - - action = self._useYAxisOrientationUpward - action.setChecked(silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION != "downward") - title = action.text().split(" (", 1)[0] - if not action.isChecked(): - title += " (applied after application restart)" - action.setText(title) - - def createMenus(self): - fileMenu = self.menuBar().addMenu("&File") - fileMenu.addAction(self._openAction) - fileMenu.addAction(self._openRecentAction) - fileMenu.addSeparator() - fileMenu.addAction(self._exitAction) - fileMenu.aboutToShow.connect(self.__updateFileMenu) - - optionMenu = self.menuBar().addMenu("&Options") - optionMenu.addAction(self._plotImageOrientation) - optionMenu.addAction(self._plotBackendSelection) - optionMenu.aboutToShow.connect(self.__updateOptionMenu) - - viewMenu = self.menuBar().addMenu("&Views") - viewMenu.addAction(self._displayCustomNxdataWindow) - - helpMenu = self.menuBar().addMenu("&Help") - helpMenu.addAction(self._aboutAction) - - def open(self): - dialog = self.createFileDialog() - if self.__dialogState is None: - currentDirectory = os.getcwd() - dialog.setDirectory(currentDirectory) - else: - dialog.restoreState(self.__dialogState) - - result = dialog.exec_() - if not result: - return - - self.__dialogState = dialog.saveState() - - filenames = dialog.selectedFiles() - for filename in filenames: - self.appendFile(filename) - - def createFileDialog(self): - dialog = qt.QFileDialog(self) - dialog.setWindowTitle("Open") - dialog.setModal(True) - - # NOTE: hdf5plugin have to be loaded before - extensions = collections.OrderedDict() - for description, ext in silx.io.supported_extensions().items(): - extensions[description] = " ".join(sorted(list(ext))) - - try: - # NOTE: hdf5plugin have to be loaded before - import fabio - except Exception: - _logger.debug("Backtrace while loading fabio", exc_info=True) - fabio = None - - if fabio is not None: - extensions["NeXus layout from EDF files"] = "*.edf" - extensions["NeXus layout from TIFF image files"] = "*.tif *.tiff" - extensions["NeXus layout from CBF files"] = "*.cbf" - extensions["NeXus layout from MarCCD image files"] = "*.mccd" - - all_supported_extensions = set() - for name, exts in extensions.items(): - exts = exts.split(" ") - all_supported_extensions.update(exts) - all_supported_extensions = sorted(list(all_supported_extensions)) - - filters = [] - filters.append("All supported files (%s)" % " ".join(all_supported_extensions)) - for name, extension in extensions.items(): - filters.append("%s (%s)" % (name, extension)) - filters.append("All files (*)") - - dialog.setNameFilters(filters) - dialog.setFileMode(qt.QFileDialog.ExistingFiles) - return dialog - - def about(self): - from .About import About - About.about(self, "Silx viewer") - - def __forcePlotImageDownward(self): - silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION = "downward" - - def __forcePlotImageUpward(self): - silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION = "upward" - - def __forceMatplotlibBackend(self): - silx.config.DEFAULT_PLOT_BACKEND = "matplotlib" - - def __forceOpenglBackend(self): - silx.config.DEFAULT_PLOT_BACKEND = "opengl" - - def appendFile(self, filename): - self.__treeview.findHdf5TreeModel().appendFile(filename) - - def displaySelectedData(self): - """Called to update the dataviewer with the selected data. - """ - selected = list(self.__treeview.selectedH5Nodes(ignoreBrokenLinks=False)) - if len(selected) == 1: - # Update the viewer for a single selection - data = selected[0] - self.__dataPanel.setData(data) - else: - _logger.debug("Too many data selected") - - def displayData(self, data): - """Called to update the dataviewer with a secific data. - """ - self.__dataPanel.setData(data) - - def displaySelectedCustomData(self): - selected = list(self.__customNxdata.selectedItems()) - if len(selected) == 1: - # Update the viewer for a single selection - item = selected[0] - self.__dataPanel.setCustomDataItem(item) - else: - _logger.debug("Too many items selected") - - def __customNxdataRemoved(self, item): - if self.__dataPanel.getCustomNxdataItem() is item: - self.__dataPanel.setCustomDataItem(None) - - def __customNxdataUpdated(self, item): - if self.__dataPanel.getCustomNxdataItem() is item: - self.__dataPanel.setCustomDataItem(item) - - def __makeSureCustomNxDataWindowIsVisible(self): - if not self.__customNxdataWindow.isVisible(): - self.__customNxdataWindow.setVisible(True) - self._displayCustomNxdataWindow.setChecked(True) - - def useAsNewCustomSignal(self, h5dataset): - self.__makeSureCustomNxDataWindowIsVisible() - model = self.__customNxdata.model() - model.createFromSignal(h5dataset) - - def useAsNewCustomNxdata(self, h5nxdata): - self.__makeSureCustomNxDataWindowIsVisible() - model = self.__customNxdata.model() - model.createFromNxdata(h5nxdata) - - def customContextMenu(self, event): - """Called to populate the context menu - - :param silx.gui.hdf5.Hdf5ContextMenuEvent event: Event - containing expected information to populate the context menu - """ - selectedObjects = event.source().selectedH5Nodes(ignoreBrokenLinks=False) - menu = event.menu() - - if not menu.isEmpty(): - menu.addSeparator() - - for obj in selectedObjects: - h5 = obj.h5py_object - - name = obj.name - if name.startswith("/"): - name = name[1:] - if name == "": - name = "the root" - - action = qt.QAction("Show %s" % name, event.source()) - action.triggered.connect(lambda: self.displayData(h5)) - menu.addAction(action) - - if silx.io.is_dataset(h5): - action = qt.QAction("Use as a new custom signal", event.source()) - action.triggered.connect(lambda: self.useAsNewCustomSignal(h5)) - menu.addAction(action) - - if silx.io.is_group(h5) and silx.io.nxdata.is_valid_nxdata(h5): - action = qt.QAction("Use as a new custom NXdata", event.source()) - action.triggered.connect(lambda: self.useAsNewCustomNxdata(h5)) - menu.addAction(action) - - if silx.io.is_file(h5): - action = qt.QAction("Remove %s" % obj.local_filename, event.source()) - action.triggered.connect(lambda: self.__treeview.findHdf5TreeModel().removeH5pyObject(h5)) - menu.addAction(action) - action = qt.QAction("Synchronize %s" % obj.local_filename, event.source()) - action.triggered.connect(lambda: self.__synchronizeH5pyObject(h5)) - menu.addAction(action) |