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Diffstat (limited to 'silx/app/view/ApplicationContext.py')
| -rw-r--r-- | silx/app/view/ApplicationContext.py | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/silx/app/view/ApplicationContext.py b/silx/app/view/ApplicationContext.py deleted file mode 100644 index 8693848..0000000 --- a/silx/app/view/ApplicationContext.py +++ /dev/null @@ -1,194 +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__ = "23/05/2018" - -import weakref -import logging - -import silx -from silx.gui.data.DataViews import DataViewHooks -from silx.gui.colors import Colormap -from silx.gui.dialog.ColormapDialog import ColormapDialog - - -_logger = logging.getLogger(__name__) - - -class ApplicationContext(DataViewHooks): - """ - Store the conmtext of the application - - It overwrites the DataViewHooks to custom the use of the DataViewer for - the silx view application. - - - Create a single colormap shared with all the views - - Create a single colormap dialog shared with all the views - """ - - def __init__(self, parent, settings=None): - self.__parent = weakref.ref(parent) - self.__defaultColormap = None - self.__defaultColormapDialog = None - self.__settings = settings - self.__recentFiles = [] - - def getSettings(self): - """Returns actual application settings. - - :rtype: qt.QSettings - """ - return self.__settings - - def restoreLibrarySettings(self): - """Restore the library settings, which must be done early""" - settings = self.__settings - if settings is None: - return - settings.beginGroup("library") - plotBackend = settings.value("plot.backend", "") - plotImageYAxisOrientation = settings.value("plot-image.y-axis-orientation", "") - settings.endGroup() - - if plotBackend != "": - silx.config.DEFAULT_PLOT_BACKEND = plotBackend - if plotImageYAxisOrientation != "": - silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION = plotImageYAxisOrientation - - def restoreSettings(self): - """Restore the settings of all the application""" - settings = self.__settings - if settings is None: - return - parent = self.__parent() - parent.restoreSettings(settings) - - settings.beginGroup("colormap") - byteArray = settings.value("default", None) - if byteArray is not None: - try: - colormap = Colormap() - colormap.restoreState(byteArray) - self.__defaultColormap = colormap - except Exception: - _logger.debug("Backtrace", exc_info=True) - settings.endGroup() - - self.__recentFiles = [] - settings.beginGroup("recent-files") - for index in range(1, 10 + 1): - if not settings.contains("path%d" % index): - break - filePath = settings.value("path%d" % index) - self.__recentFiles.append(filePath) - settings.endGroup() - - def saveSettings(self): - """Save the settings of all the application""" - settings = self.__settings - if settings is None: - return - parent = self.__parent() - parent.saveSettings(settings) - - if self.__defaultColormap is not None: - settings.beginGroup("colormap") - settings.setValue("default", self.__defaultColormap.saveState()) - settings.endGroup() - - settings.beginGroup("library") - settings.setValue("plot.backend", silx.config.DEFAULT_PLOT_BACKEND) - settings.setValue("plot-image.y-axis-orientation", silx.config.DEFAULT_PLOT_IMAGE_Y_AXIS_ORIENTATION) - settings.endGroup() - - settings.beginGroup("recent-files") - for index in range(0, 11): - key = "path%d" % (index + 1) - if index < len(self.__recentFiles): - filePath = self.__recentFiles[index] - settings.setValue(key, filePath) - else: - settings.remove(key) - settings.endGroup() - - def getRecentFiles(self): - """Returns the list of recently opened files. - - The list is limited to the last 10 entries. The newest file path is - in first. - - :rtype: List[str] - """ - return self.__recentFiles - - def pushRecentFile(self, filePath): - """Push a new recent file to the list. - - If the file is duplicated in the list, all duplications are removed - before inserting the new filePath. - - If the list becan bigger than 10 items, oldest paths are removed. - - :param filePath: File path to push - """ - # Remove old occurencies - self.__recentFiles[:] = (f for f in self.__recentFiles if f != filePath) - self.__recentFiles.insert(0, filePath) - while len(self.__recentFiles) > 10: - self.__recentFiles.pop() - - def clearRencentFiles(self): - """Clear the history of the rencent files. - """ - self.__recentFiles[:] = [] - - def getColormap(self, view): - """Returns a default colormap. - - Override from DataViewHooks - - :rtype: Colormap - """ - if self.__defaultColormap is None: - self.__defaultColormap = Colormap(name="viridis") - return self.__defaultColormap - - def getColormapDialog(self, view): - """Returns a shared color dialog as default for all the views. - - Override from DataViewHooks - - :rtype: ColorDialog - """ - if self.__defaultColormapDialog is None: - parent = self.__parent() - if parent is None: - return None - dialog = ColormapDialog(parent=parent) - dialog.setModal(False) - self.__defaultColormapDialog = dialog - return self.__defaultColormapDialog |