diff options
Diffstat (limited to 'silx/gui/data/Hdf5TableView.py')
| -rw-r--r-- | silx/gui/data/Hdf5TableView.py | 78 |
1 files changed, 64 insertions, 14 deletions
diff --git a/silx/gui/data/Hdf5TableView.py b/silx/gui/data/Hdf5TableView.py index 04199b2..9e28fbf 100644 --- a/silx/gui/data/Hdf5TableView.py +++ b/silx/gui/data/Hdf5TableView.py @@ -30,7 +30,7 @@ from __future__ import division __authors__ = ["V. Valls"] __license__ = "MIT" -__date__ = "23/05/2018" +__date__ = "05/07/2018" import collections import functools @@ -101,6 +101,9 @@ class _CellData(object): def invalidateToolTip(self): self.__tooltip = None + def data(self, role): + return None + class _TableData(object): """Modelize a table with header, row and column span. @@ -183,6 +186,46 @@ class _TableData(object): self.__data.append(row) +class _CellFilterAvailableData(_CellData): + """Cell rendering for availability of a filter""" + + _states = { + True: ("Available", qt.QColor(0x000000), None, None), + False: ("Not available", qt.QColor(0xFFFFFF), qt.QColor(0xFF0000), + "You have to install this filter on your system to be able to read this dataset"), + "na": ("n.a.", qt.QColor(0x000000), None, + "This version of h5py/hdf5 is not able to display the information"), + } + + def __init__(self, filterId): + import h5py.version + if h5py.version.hdf5_version_tuple >= (1, 10, 2): + # Previous versions only returns True if the filter was first used + # to decode a dataset + import h5py.h5z + self.__availability = h5py.h5z.filter_avail(filterId) + else: + self.__availability = "na" + _CellData.__init__(self) + + def value(self): + state = self._states[self.__availability] + return state[0] + + def tooltip(self): + state = self._states[self.__availability] + return state[3] + + def data(self, role=qt.Qt.DisplayRole): + state = self._states[self.__availability] + if role == qt.Qt.TextColorRole: + return state[1] + elif role == qt.Qt.BackgroundColorRole: + return state[2] + else: + return None + + class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): """This data model provides access to HDF5 node content (File, Group, Dataset). Main info, like name, file, attributes... are displayed @@ -198,7 +241,7 @@ class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): super(Hdf5TableModel, self).__init__(parent) self.__obj = None - self.__data = _TableData(columnCount=4) + self.__data = _TableData(columnCount=5) self.__formatter = None self.__hdf5Formatter = Hdf5Formatter(self) formatter = TextFormatter(self) @@ -245,6 +288,8 @@ class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): cell.invalidateToolTip() raise return value + else: + return cell.data(role) return None def flags(self, index): @@ -394,14 +439,16 @@ class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): hdf5id = _CellData(value="HDF5 ID", isHeader=True) name = _CellData(value="Name", isHeader=True) options = _CellData(value="Options", isHeader=True) - self.__data.addRow(pos, hdf5id, name, options) + availability = _CellData(value="", isHeader=True) + self.__data.addRow(pos, hdf5id, name, options, availability) for index in range(dcpl.get_nfilters()): - callback = lambda index, dataIndex, x: self.__get_filter_info(x, index)[dataIndex] - pos = _CellData(value=functools.partial(callback, index, 0)) - hdf5id = _CellData(value=functools.partial(callback, index, 1)) - name = _CellData(value=functools.partial(callback, index, 2)) - options = _CellData(value=functools.partial(callback, index, 3)) - self.__data.addRow(pos, hdf5id, name, options) + filterId, name, options = self.__getFilterInfo(obj, index) + pos = _CellData(value=index) + hdf5id = _CellData(value=filterId) + name = _CellData(value=name) + options = _CellData(value=options) + availability = _CellFilterAvailableData(filterId=filterId) + self.__data.addRow(pos, hdf5id, name, options, availability) if hasattr(obj, "attrs"): if len(obj.attrs) > 0: @@ -413,7 +460,7 @@ class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): value=functools.partial(callback, key), tooltip=functools.partial(callbackTooltip, key)) - def __get_filter_info(self, dataset, filterIndex): + def __getFilterInfo(self, dataset, filterIndex): """Get a tuple of readable info from dataset filters :param h5py.Dataset dataset: A h5py dataset @@ -425,10 +472,10 @@ class Hdf5TableModel(HierarchicalTableView.HierarchicalTableModel): filterId, _flags, cdValues, name = info name = self.__formatter.toString(name) options = " ".join([self.__formatter.toString(i) for i in cdValues]) - return (filterIndex, filterId, name, options) + return (filterId, name, options) except Exception: _logger.debug("Backtrace", exc_info=True) - return [filterIndex, None, None, None] + return (None, None, None) def object(self): """Returns the internal object modelized. @@ -503,5 +550,8 @@ class Hdf5TableView(HierarchicalTableView.HierarchicalTableView): else: setResizeMode = header.setSectionResizeMode setResizeMode(0, qt.QHeaderView.Fixed) - setResizeMode(1, qt.QHeaderView.Stretch) - header.setStretchLastSection(True) + setResizeMode(1, qt.QHeaderView.ResizeToContents) + setResizeMode(2, qt.QHeaderView.Stretch) + setResizeMode(3, qt.QHeaderView.ResizeToContents) + setResizeMode(4, qt.QHeaderView.ResizeToContents) + header.setStretchLastSection(False) |