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#!/usr/bin/env python
# /*##########################################################################
#
# Copyright (c) 2016-2021 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.
#
# ###########################################################################*/
"""
Example for the use of the ImageFileDialog.
"""
__authors__ = ["V. Valls"]
__license__ = "MIT"
__date__ = "14/02/2018"
import enum
import logging
from silx.gui import qt
from silx.gui.dialog.ImageFileDialog import ImageFileDialog
from silx.gui.dialog.DataFileDialog import DataFileDialog
import silx.io
logging.basicConfig()
class Mode(enum.Enum):
DEFAULT_FILEDIALOG = 0
IMAGEFILEDIALOG = 1
DATAFILEDIALOG = 2
DATAFILEDIALOG_DATASET = 3
DATAFILEDIALOG_GROUP = 4
DATAFILEDIALOG_NXENTRY = 5
class DialogExample(qt.QMainWindow):
def __init__(self, parent=None):
super(DialogExample, self).__init__(parent)
self.__state = {}
centralWidget = qt.QWidget(self)
layout = qt.QHBoxLayout()
centralWidget.setLayout(layout)
options = self.createOptions()
layout.addWidget(options)
buttonGroup = qt.QGroupBox()
buttonGroup.setTitle("Create dialog")
layout.addWidget(buttonGroup)
buttonLayout = qt.QVBoxLayout()
buttonGroup.setLayout(buttonLayout)
# ImageFileDialog
b1 = qt.QPushButton(self)
b1.setMinimumHeight(50)
b1.setText("Open a dialog")
b1.clicked.connect(self.openDialog)
buttonLayout.addWidget(b1)
b2 = qt.QPushButton(self)
b2.setMinimumHeight(50)
b2.setText("Open a dialog with state stored")
b2.clicked.connect(self.openDialogStoredState)
buttonLayout.addWidget(b2)
b3 = qt.QPushButton(self)
b3.setMinimumHeight(50)
b3.setText("Open a dialog at home")
b3.clicked.connect(self.openDialogAtHome)
buttonLayout.addWidget(b3)
b4 = qt.QPushButton(self)
b4.setMinimumHeight(50)
b4.setText("Open a dialog at computer root")
b4.clicked.connect(self.openDialogAtComputer)
buttonLayout.addWidget(b4)
self.setCentralWidget(centralWidget)
def createOptions(self):
panel = qt.QGroupBox()
panel.setTitle("Options")
layout = qt.QVBoxLayout()
panel.setLayout(layout)
group = qt.QButtonGroup(panel)
radio = qt.QRadioButton(panel)
radio.setText("Qt QFileDialog")
radio.setProperty("Mode", Mode.DEFAULT_FILEDIALOG)
group.addButton(radio)
layout.addWidget(radio)
radio = qt.QRadioButton(panel)
radio.setText("silx ImageFileDialog")
radio.setProperty("Mode", Mode.IMAGEFILEDIALOG)
group.addButton(radio)
layout.addWidget(radio)
radio = qt.QRadioButton(panel)
radio.setChecked(True)
radio.setText("silx DataFileDialog")
radio.setProperty("Mode", Mode.DATAFILEDIALOG)
group.addButton(radio)
layout.addWidget(radio)
radio = qt.QRadioButton(panel)
radio.setText("silx DataFileDialog (filter=dataset)")
radio.setProperty("Mode", Mode.DATAFILEDIALOG_DATASET)
group.addButton(radio)
layout.addWidget(radio)
radio = qt.QRadioButton(panel)
radio.setText("silx DataFileDialog (filter=group)")
radio.setProperty("Mode", Mode.DATAFILEDIALOG_GROUP)
group.addButton(radio)
layout.addWidget(radio)
radio = qt.QRadioButton(panel)
radio.setText("silx DataFileDialog (filter=NXentry)")
radio.setProperty("Mode", Mode.DATAFILEDIALOG_NXENTRY)
group.addButton(radio)
layout.addWidget(radio)
self.__options = group
return panel
def printResult(self, dialog, result):
if not result:
print("Nothing selected")
return
print("Selection:")
if isinstance(dialog, qt.QFileDialog):
print("- Files: %s" % dialog.selectedFiles())
elif isinstance(dialog, ImageFileDialog):
print("- File: %s" % dialog.selectedFile())
print("- URL: %s" % dialog.selectedUrl())
print("- Data URL: %s" % dialog.selectedDataUrl())
image = dialog.selectedImage()
print("- Image: <dtype: %s, shape: %s>" % (image.dtype, image.shape))
elif isinstance(dialog, DataFileDialog):
print("- File: %s" % dialog.selectedFile())
print("- URL: %s" % dialog.selectedUrl())
print("- Data URL: %s" % dialog.selectedDataUrl())
try:
data = dialog.selectedData()
print("- Data: <dtype: %s, shape: %s>" % (data.dtype, data.shape))
except Exception as e:
print("- Data: %s" % e)
url = dialog.selectedDataUrl()
with silx.io.open(url.file_path()) as h5:
node = h5[url.data_path()]
print("- Node: %s" % node)
else:
assert False
def createDialog(self):
print("")
print("-------------------------")
print("----- Create dialog -----")
print("-------------------------")
button = self.__options.checkedButton()
mode = button.property("Mode")
if mode == Mode.DEFAULT_FILEDIALOG:
dialog = qt.QFileDialog(self)
dialog.setAcceptMode(qt.QFileDialog.AcceptOpen)
elif mode == Mode.IMAGEFILEDIALOG:
dialog = ImageFileDialog(self)
elif mode == Mode.DATAFILEDIALOG:
dialog = DataFileDialog(self)
elif mode == Mode.DATAFILEDIALOG_DATASET:
dialog = DataFileDialog(self)
dialog.setFilterMode(DataFileDialog.FilterMode.ExistingDataset)
elif mode == Mode.DATAFILEDIALOG_GROUP:
dialog = DataFileDialog(self)
dialog.setFilterMode(DataFileDialog.FilterMode.ExistingGroup)
elif mode == Mode.DATAFILEDIALOG_NXENTRY:
def customFilter(obj):
if "NX_class" in obj.attrs:
return obj.attrs["NX_class"] in [b"NXentry", "NXentry"]
return False
dialog = DataFileDialog(self)
dialog.setFilterMode(DataFileDialog.FilterMode.ExistingGroup)
dialog.setFilterCallback(customFilter)
else:
assert False
return dialog
def openDialog(self):
# Clear the dialog
dialog = self.createDialog()
# Execute the dialog as modal
result = dialog.exec()
self.printResult(dialog, result)
def openDialogStoredState(self):
# Clear the dialog
dialog = self.createDialog()
if dialog.__class__ in self.__state:
dialog.restoreState(self.__state[dialog.__class__])
# Execute the dialog as modal
result = dialog.exec()
self.__state[dialog.__class__] = dialog.saveState()
self.printResult(dialog, result)
def openDialogAtHome(self):
# Clear the dialog
path = qt.QDir.homePath()
dialog = self.createDialog()
dialog.setDirectory(path)
# Execute the dialog as modal
result = dialog.exec()
self.printResult(dialog, result)
def openDialogAtComputer(self):
# Clear the dialog
path = ""
dialog = self.createDialog()
dialog.setDirectory(path)
# Execute the dialog as modal
result = dialog.exec()
self.printResult(dialog, result)
def main():
app = qt.QApplication([])
example = DialogExample()
example.show()
app.exec()
if __name__ == "__main__":
main()
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