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Diffstat (limited to 'silx/gui/dialog/GroupDialog.py')
| -rw-r--r-- | silx/gui/dialog/GroupDialog.py | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/silx/gui/dialog/GroupDialog.py b/silx/gui/dialog/GroupDialog.py deleted file mode 100644 index 217a03c..0000000 --- a/silx/gui/dialog/GroupDialog.py +++ /dev/null @@ -1,230 +0,0 @@ -# coding: utf-8 -# /*########################################################################## -# -# Copyright (c) 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. -# -# ###########################################################################*/ -"""This module provides a dialog widget to select a HDF5 group in a -tree. - -.. autoclass:: GroupDialog - :members: addFile, addGroup, getSelectedDataUrl, setMode - -""" -from silx.gui import qt -from silx.gui.hdf5.Hdf5TreeView import Hdf5TreeView -import silx.io -from silx.io.url import DataUrl - -__authors__ = ["P. Knobel"] -__license__ = "MIT" -__date__ = "22/03/2018" - - -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 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") |