def setUrl(self, url: DataUrl) -> None:
assert isinstance(url, DataUrl)
sel_items = self._listWidget.findItems(url.path(), qt.Qt.MatchExactly)
if sel_items is None:
_logger.warning(url.path(), ' is not registered in the list.')
elif len(sel_items) > 0:
item = sel_items[0]
self._listWidget.setCurrentItem(item)
self.sigCurrentUrlChanged.emit(item.text())
class GroupDialog(_Hdf5ItemSelectionDialog):
"""This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to
provide a HDF5 group selection dialog.
The information identifying the selected node is provided as a
:class:`silx.io.url.DataUrl`.
Example:
.. code-block:: python
dialog = GroupDialog()
dialog.addFile(filepath1)
dialog.addFile(filepath2)
if dialog.exec_():
print("File path: %s" % dialog.getSelectedDataUrl().file_path())
print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path())
else:
print("Operation cancelled :(")
"""
def __init__(self, parent=None):
_Hdf5ItemSelectionDialog.__init__(self, parent)
# customization for groups
self.setWindowTitle("HDF5 group selection")
self._header.setSections([
self._model.NAME_COLUMN, self._model.NODE_COLUMN,
self._model.LINK_COLUMN
])
def _onActivation(self, idx):
# double-click or enter press: filter for groups
nodes = list(self._tree.selectedH5Nodes())
node = nodes[0]
if silx.io.is_group(node.h5py_object):
self.accept()
def _updateUrl(self):
# overloaded to filter for groups
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditNewItem.text()
if nodes:
node = nodes[0]
if silx.io.is_group(node.h5py_object):
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(self._selectedUrl.path())
else:
self._selectedUrl = None
self._okButton.setEnabled(False)
self._labelSelection.setText("Select a group")
class GroupDialog(_Hdf5ItemSelectionDialog):
"""This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to
provide a HDF5 group selection dialog.
The information identifying the selected node is provided as a
:class:`silx.io.url.DataUrl`.
Example:
.. code-block:: python
dialog = GroupDialog()
dialog.addFile(filepath1)
dialog.addFile(filepath2)
if dialog.exec_():
print("File path: %s" % dialog.getSelectedDataUrl().file_path())
print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path())
else:
print("Operation cancelled :(")
"""
def __init__(self, parent=None):
_Hdf5ItemSelectionDialog.__init__(self, parent)
# customization for groups
self.setWindowTitle("HDF5 group selection")
self._header.setSections([self._model.NAME_COLUMN,
self._model.NODE_COLUMN,
self._model.LINK_COLUMN])
def _onActivation(self, idx):
# double-click or enter press: filter for groups
nodes = list(self._tree.selectedH5Nodes())
node = nodes[0]
if silx.io.is_group(node.h5py_object):
self.accept()
def _updateUrl(self):
# overloaded to filter for groups
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditNewItem.text()
if nodes:
node = nodes[0]
if silx.io.is_group(node.h5py_object):
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(
self._selectedUrl.path())
else:
self._selectedUrl = None
self._okButton.setEnabled(False)
self._labelSelection.setText("Select a group")
def _getPreviousUrl(self, url: DataUrl) -> typing.Union[None, DataUrl]:
"""
return the previous url in the stack
:param url: url for which we want the previous url
:type: DataUrl
:return: next url in the stack or None if `url` is the last one
:rtype: Union[None, DataUrl]
"""
if self._urls is None:
return None
else:
index = self._urlIndexes[url.path()]
indexes = list(self._urls.keys())
res = list(filter(lambda x: x < index, indexes))
if len(res) == 0:
return None
else:
return self._urls[res[-1]]
class GroupDialog(qt.QDialog):
"""This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to
provide a HDF5 group selection dialog.
The information identifying the selected node is provided as a
:class:`silx.io.url.DataUrl`.
Example:
.. code-block:: python
dialog = GroupDialog()
dialog.addFile(filepath1)
dialog.addFile(filepath2)
if dialog.exec_():
print("File path: %s" % dialog.getSelectedDataUrl().file_path())
print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path())
else:
print("Operation cancelled :(")
"""
def __init__(self, parent=None):
qt.QDialog.__init__(self, parent)
self.setWindowTitle("HDF5 group selection")
self._tree = Hdf5TreeView(self)
self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection)
self._tree.activated.connect(self._onActivation)
self._tree.selectionModel().selectionChanged.connect(
self._onSelectionChange)
self._model = self._tree.findHdf5TreeModel()
self._header = self._tree.header()
self._header.setSections([self._model.NAME_COLUMN,
self._model.NODE_COLUMN,
self._model.LINK_COLUMN])
_labelSubgroup = qt.QLabel(self)
_labelSubgroup.setText("Subgroup name (optional)")
self._lineEditSubgroup = qt.QLineEdit(self)
self._lineEditSubgroup.setToolTip(
"Specify the name of a new subgroup "
"to be created in the selected group.")
self._lineEditSubgroup.textChanged.connect(
self._onSubgroupNameChange)
_labelSelectionTitle = qt.QLabel(self)
_labelSelectionTitle.setText("Current selection")
self._labelSelection = qt.QLabel(self)
self._labelSelection.setStyleSheet("color: gray")
self._labelSelection.setWordWrap(True)
self._labelSelection.setText("Select a group")
buttonBox = qt.QDialogButtonBox()
self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok)
self._okButton.setEnabled(False)
buttonBox.addButton(qt.QDialogButtonBox.Cancel)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
vlayout = qt.QVBoxLayout(self)
vlayout.addWidget(self._tree)
vlayout.addWidget(_labelSubgroup)
vlayout.addWidget(self._lineEditSubgroup)
vlayout.addWidget(_labelSelectionTitle)
vlayout.addWidget(self._labelSelection)
vlayout.addWidget(buttonBox)
self.setLayout(vlayout)
self.setMinimumWidth(400)
self._selectedUrl = None
def addFile(self, path):
"""Add a HDF5 file to the tree.
All groups it contains will be selectable in the dialog.
:param str path: File path
"""
self._model.insertFile(path)
def addGroup(self, group):
"""Add a HDF5 group to the tree. This group and all its subgroups
will be selectable in the dialog.
:param h5py.Group group: HDF5 group
"""
self._model.insertH5pyObject(group)
def _onActivation(self, idx):
# double-click or enter press
nodes = list(self._tree.selectedH5Nodes())
node = nodes[0]
if silx.io.is_group(node.h5py_object):
self.accept()
def _onSelectionChange(self, old, new):
self._updateUrl()
def _onSubgroupNameChange(self, text):
self._updateUrl()
def _updateUrl(self):
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditSubgroup.text()
if nodes:
node = nodes[0]
if silx.io.is_group(node.h5py_object):
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(
self._selectedUrl.path())
else:
self._selectedUrl = None
self._okButton.setEnabled(False)
self._labelSelection.setText("Select a group")
def getSelectedDataUrl(self):
"""Return a :class:`DataUrl` with a file path and a data path.
Return None if the dialog was cancelled.
:return: :class:`silx.io.url.DataUrl` object pointing to the
selected group.
"""
return self._selectedUrl
class _Hdf5ItemSelectionDialog(qt.QDialog):
SaveMode = 1
"""Mode used to set the HDF5 item selection dialog to *save* mode.
This adds a text field to type in a new item name."""
LoadMode = 2
"""Mode used to set the HDF5 item selection dialog to *load* mode.
Only existing items of the HDF5 file can be selected in this mode."""
def __init__(self, parent=None):
qt.QDialog.__init__(self, parent)
self.setWindowTitle("HDF5 item selection")
self._tree = Hdf5TreeView(self)
self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection)
self._tree.activated.connect(self._onActivation)
self._tree.selectionModel().selectionChanged.connect(
self._onSelectionChange)
self._model = self._tree.findHdf5TreeModel()
self._header = self._tree.header()
self._newItemWidget = qt.QWidget(self)
newItemLayout = qt.QVBoxLayout(self._newItemWidget)
self._labelNewItem = qt.QLabel(self._newItemWidget)
self._labelNewItem.setText(
"Create new item in selected group (optional):")
self._lineEditNewItem = qt.QLineEdit(self._newItemWidget)
self._lineEditNewItem.setToolTip(
"Specify the name of a new item "
"to be created in the selected group.")
self._lineEditNewItem.textChanged.connect(self._onNewItemNameChange)
newItemLayout.addWidget(self._labelNewItem)
newItemLayout.addWidget(self._lineEditNewItem)
_labelSelectionTitle = qt.QLabel(self)
_labelSelectionTitle.setText("Current selection")
self._labelSelection = qt.QLabel(self)
self._labelSelection.setStyleSheet("color: gray")
self._labelSelection.setWordWrap(True)
self._labelSelection.setText("Select an item")
buttonBox = qt.QDialogButtonBox()
self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok)
self._okButton.setEnabled(False)
buttonBox.addButton(qt.QDialogButtonBox.Cancel)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
vlayout = qt.QVBoxLayout(self)
vlayout.addWidget(self._tree)
vlayout.addWidget(self._newItemWidget)
vlayout.addWidget(_labelSelectionTitle)
vlayout.addWidget(self._labelSelection)
vlayout.addWidget(buttonBox)
self.setLayout(vlayout)
self.setMinimumWidth(400)
self._selectedUrl = None
def _onSelectionChange(self, old, new):
self._updateUrl()
def _onNewItemNameChange(self, text):
self._updateUrl()
def _onActivation(self, idx):
# double-click or enter press
self.accept()
def setMode(self, mode):
"""Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode
:param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode
"""
if mode == self.LoadMode:
# hide "Create new item" field
self._lineEditNewItem.clear()
self._newItemWidget.hide()
elif mode == self.SaveMode:
self._newItemWidget.show()
else:
raise ValueError("Invalid DatasetDialog mode %s" % mode)
def addFile(self, path):
"""Add a HDF5 file to the tree.
All groups it contains will be selectable in the dialog.
:param str path: File path
"""
self._model.insertFile(path)
def addGroup(self, group):
"""Add a HDF5 group to the tree. This group and all its subgroups
will be selectable in the dialog.
:param h5py.Group group: HDF5 group
"""
self._model.insertH5pyObject(group)
def _updateUrl(self):
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditNewItem.text()
if nodes:
node = nodes[0]
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(self._selectedUrl.path())
def getSelectedDataUrl(self):
"""Return a :class:`DataUrl` with a file path and a data path.
Return None if the dialog was cancelled.
:return: :class:`silx.io.url.DataUrl` object pointing to the
selected HDF5 item.
"""
return self._selectedUrl
class _Hdf5ItemSelectionDialog(qt.QDialog):
SaveMode = 1
"""Mode used to set the HDF5 item selection dialog to *save* mode.
This adds a text field to type in a new item name."""
LoadMode = 2
"""Mode used to set the HDF5 item selection dialog to *load* mode.
Only existing items of the HDF5 file can be selected in this mode."""
def __init__(self, parent=None):
qt.QDialog.__init__(self, parent)
self.setWindowTitle("HDF5 item selection")
self._tree = Hdf5TreeView(self)
self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection)
self._tree.activated.connect(self._onActivation)
self._tree.selectionModel().selectionChanged.connect(
self._onSelectionChange)
self._model = self._tree.findHdf5TreeModel()
self._header = self._tree.header()
self._newItemWidget = qt.QWidget(self)
newItemLayout = qt.QVBoxLayout(self._newItemWidget)
self._labelNewItem = qt.QLabel(self._newItemWidget)
self._labelNewItem.setText("Create new item in selected group (optional):")
self._lineEditNewItem = qt.QLineEdit(self._newItemWidget)
self._lineEditNewItem.setToolTip(
"Specify the name of a new item "
"to be created in the selected group.")
self._lineEditNewItem.textChanged.connect(
self._onNewItemNameChange)
newItemLayout.addWidget(self._labelNewItem)
newItemLayout.addWidget(self._lineEditNewItem)
_labelSelectionTitle = qt.QLabel(self)
_labelSelectionTitle.setText("Current selection")
self._labelSelection = qt.QLabel(self)
self._labelSelection.setStyleSheet("color: gray")
self._labelSelection.setWordWrap(True)
self._labelSelection.setText("Select an item")
buttonBox = qt.QDialogButtonBox()
self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok)
self._okButton.setEnabled(False)
buttonBox.addButton(qt.QDialogButtonBox.Cancel)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
vlayout = qt.QVBoxLayout(self)
vlayout.addWidget(self._tree)
vlayout.addWidget(self._newItemWidget)
vlayout.addWidget(_labelSelectionTitle)
vlayout.addWidget(self._labelSelection)
vlayout.addWidget(buttonBox)
self.setLayout(vlayout)
self.setMinimumWidth(400)
self._selectedUrl = None
def _onSelectionChange(self, old, new):
self._updateUrl()
def _onNewItemNameChange(self, text):
self._updateUrl()
def _onActivation(self, idx):
# double-click or enter press
self.accept()
def setMode(self, mode):
"""Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode
:param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode
"""
if mode == self.LoadMode:
# hide "Create new item" field
self._lineEditNewItem.clear()
self._newItemWidget.hide()
elif mode == self.SaveMode:
self._newItemWidget.show()
else:
raise ValueError("Invalid DatasetDialog mode %s" % mode)
def addFile(self, path):
"""Add a HDF5 file to the tree.
All groups it contains will be selectable in the dialog.
:param str path: File path
"""
self._model.insertFile(path)
def addGroup(self, group):
"""Add a HDF5 group to the tree. This group and all its subgroups
will be selectable in the dialog.
:param h5py.Group group: HDF5 group
"""
self._model.insertH5pyObject(group)
def _updateUrl(self):
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditNewItem.text()
if nodes:
node = nodes[0]
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(
self._selectedUrl.path())
def getSelectedDataUrl(self):
"""Return a :class:`DataUrl` with a file path and a data path.
Return None if the dialog was cancelled.
:return: :class:`silx.io.url.DataUrl` object pointing to the
selected HDF5 item.
"""
return self._selectedUrl
class DatasetDialog(_Hdf5ItemSelectionDialog):
"""This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to
provide a HDF5 dataset selection dialog.
The information identifying the selected node is provided as a
:class:`silx.io.url.DataUrl`.
Example:
.. code-block:: python
dialog = DatasetDialog()
dialog.addFile(filepath1)
dialog.addFile(filepath2)
if dialog.exec_():
print("File path: %s" % dialog.getSelectedDataUrl().file_path())
print("HDF5 dataset path : %s " % dialog.getSelectedDataUrl().data_path())
else:
print("Operation cancelled :(")
"""
def __init__(self, parent=None):
_Hdf5ItemSelectionDialog.__init__(self, parent)
# customization for groups
self.setWindowTitle("HDF5 dataset selection")
self._header.setSections([self._model.NAME_COLUMN,
self._model.NODE_COLUMN,
self._model.LINK_COLUMN,
self._model.TYPE_COLUMN,
self._model.SHAPE_COLUMN])
self._selectDatasetStatusText = "Select a dataset or type a new dataset name"
def setMode(self, mode):
"""Set dialog mode DatasetDialog.SaveMode or DatasetDialog.LoadMode
:param mode: DatasetDialog.SaveMode or DatasetDialog.LoadMode
"""
_Hdf5ItemSelectionDialog.setMode(self, mode)
if mode == DatasetDialog.SaveMode:
self._selectDatasetStatusText = "Select a dataset or type a new dataset name"
elif mode == DatasetDialog.LoadMode:
self._selectDatasetStatusText = "Select a dataset"
def _onActivation(self, idx):
# double-click or enter press: filter for datasets
nodes = list(self._tree.selectedH5Nodes())
node = nodes[0]
if silx.io.is_dataset(node.h5py_object):
self.accept()
def _updateUrl(self):
# overloaded to filter for datasets
nodes = list(self._tree.selectedH5Nodes())
newDatasetName = self._lineEditNewItem.text()
isDatasetSelected = False
if nodes:
node = nodes[0]
if silx.io.is_dataset(node.h5py_object):
data_path = node.local_name
isDatasetSelected = True
elif silx.io.is_group(node.h5py_object):
data_path = node.local_name
if newDatasetName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += newDatasetName.lstrip("/")
isDatasetSelected = True
if isDatasetSelected:
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(
self._selectedUrl.path())
else:
self._selectedUrl = None
self._okButton.setEnabled(False)
self._labelSelection.setText(self._selectDatasetStatusText)
class GroupDialog(qt.QDialog):
"""This :class:`QDialog` uses a :class:`silx.gui.hdf5.Hdf5TreeView` to
provide a HDF5 group selection dialog.
The information identifying the selected node is provided as a
:class:`silx.io.url.DataUrl`.
Example:
.. code-block:: python
dialog = GroupDialog()
dialog.addFile(filepath1)
dialog.addFile(filepath2)
if dialog.exec_():
print("File path: %s" % dialog.getSelectedDataUrl().file_path())
print("HDF5 group path : %s " % dialog.getSelectedDataUrl().data_path())
else:
print("Operation cancelled :(")
"""
def __init__(self, parent=None):
qt.QDialog.__init__(self, parent)
self.setWindowTitle("HDF5 group selection")
self._tree = Hdf5TreeView(self)
self._tree.setSelectionMode(qt.QAbstractItemView.SingleSelection)
self._tree.activated.connect(self._onActivation)
self._tree.selectionModel().selectionChanged.connect(
self._onSelectionChange)
self._model = self._tree.findHdf5TreeModel()
self._header = self._tree.header()
self._header.setSections([
self._model.NAME_COLUMN, self._model.NODE_COLUMN,
self._model.LINK_COLUMN
])
_labelSubgroup = qt.QLabel(self)
_labelSubgroup.setText("Subgroup name (optional)")
self._lineEditSubgroup = qt.QLineEdit(self)
self._lineEditSubgroup.setToolTip(
"Specify the name of a new subgroup "
"to be created in the selected group.")
self._lineEditSubgroup.textChanged.connect(self._onSubgroupNameChange)
_labelSelectionTitle = qt.QLabel(self)
_labelSelectionTitle.setText("Current selection")
self._labelSelection = qt.QLabel(self)
self._labelSelection.setStyleSheet("color: gray")
self._labelSelection.setWordWrap(True)
self._labelSelection.setText("Select a group")
buttonBox = qt.QDialogButtonBox()
self._okButton = buttonBox.addButton(qt.QDialogButtonBox.Ok)
self._okButton.setEnabled(False)
buttonBox.addButton(qt.QDialogButtonBox.Cancel)
buttonBox.accepted.connect(self.accept)
buttonBox.rejected.connect(self.reject)
vlayout = qt.QVBoxLayout(self)
vlayout.addWidget(self._tree)
vlayout.addWidget(_labelSubgroup)
vlayout.addWidget(self._lineEditSubgroup)
vlayout.addWidget(_labelSelectionTitle)
vlayout.addWidget(self._labelSelection)
vlayout.addWidget(buttonBox)
self.setLayout(vlayout)
self.setMinimumWidth(400)
self._selectedUrl = None
def addFile(self, path):
"""Add a HDF5 file to the tree.
All groups it contains will be selectable in the dialog.
:param str path: File path
"""
self._model.insertFile(path)
def addGroup(self, group):
"""Add a HDF5 group to the tree. This group and all its subgroups
will be selectable in the dialog.
:param h5py.Group group: HDF5 group
"""
self._model.insertH5pyObject(group)
def _onActivation(self, idx):
# double-click or enter press
nodes = list(self._tree.selectedH5Nodes())
node = nodes[0]
if silx.io.is_group(node.h5py_object):
self.accept()
def _onSelectionChange(self, old, new):
self._updateUrl()
def _onSubgroupNameChange(self, text):
self._updateUrl()
def _updateUrl(self):
nodes = list(self._tree.selectedH5Nodes())
subgroupName = self._lineEditSubgroup.text()
if nodes:
node = nodes[0]
if silx.io.is_group(node.h5py_object):
data_path = node.local_name
if subgroupName.lstrip("/"):
if not data_path.endswith("/"):
data_path += "/"
data_path += subgroupName.lstrip("/")
self._selectedUrl = DataUrl(file_path=node.local_filename,
data_path=data_path)
self._okButton.setEnabled(True)
self._labelSelection.setText(self._selectedUrl.path())
else:
self._selectedUrl = None
self._okButton.setEnabled(False)
self._labelSelection.setText("Select a group")
def getSelectedDataUrl(self):
"""Return a :class:`DataUrl` with a file path and a data path.
Return None if the dialog was cancelled.
:return: :class:`silx.io.url.DataUrl` object pointing to the
selected group.
"""
return self._selectedUrl