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qeztablemodel.py
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qeztablemodel.py
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from PySide2.QtCore import QAbstractTableModel, Qt, QModelIndex
from PySide2.QtGui import QFont
from ezmodel.ezmetadataentry import EzMetadataEntry
from ezmodel.ezmetadatamodel import EzMetadataModel
class QEzTableModel(QAbstractTableModel):
"""
Define all of the column indices and column names in addition to any other strings
in this section. This will make it easier to move columns around and rename items.
"""
# Total Number of Columns
K_COL_COUNT = 10
# These are some misc strings that are used.
K_FROM_SOURCE = "--SOURCE--"
K_CUSTOM_VALUE = "--CUSTOM VALUE--"
# These are the user facing header and the index of each column in the table.
K_SORT_COL_NAME = "#"
K_SORT_COL_INDEX = 0
K_SOURCE_COL_NAME = "Source"
K_SOURCE_COL_INDEX = 1
K_SOURCEVAL_COL_NAME = "Source Value"
K_SOURCEVAL_COL_INDEX = 2
K_HTNAME_COL_NAME = "HT Name"
K_HTNAME_COL_INDEX = 3
K_HTVALUE_COL_NAME = "HT Value"
K_HTVALUE_COL_INDEX = 4
K_HTANNOTATION_COL_NAME = "HT Annotation"
K_HTANNOTATION_COL_INDEX = 6
K_HTUNITS_COL_NAME = "HT Units"
K_HTUNITS_COL_INDEX = 5
K_USESOURCE_COL_NAME = "Override Source Value"
K_OVERRIDESOURCEVALUE_COL_INDEX = 7
K_EDITABLE_COL_NAME = "Editable"
K_EDITABLE_COL_INDEX = 8
K_REMOVE_COL_NAME = "Remove"
K_REMOVE_COL_INDEX = 9
def __init__(self, metadata_model: EzMetadataModel, parent=None):
QAbstractTableModel.__init__(self, parent)
self.metadata_model = metadata_model
def rowCount(self, parent=QModelIndex()):
model_row_count = self.metadata_model.size()
return model_row_count
def columnCount(self, parent=QModelIndex()):
return self.K_COL_COUNT
def data(self, index, role):
if not index.isValid():
return None
metadata_entry: EzMetadataEntry = self.metadata_model.entry(index.row())
if role == Qt.DisplayRole or role == Qt.EditRole or role == Qt.ToolTipRole:
if index.column() == self.K_SORT_COL_INDEX:
return index.row() + 1
elif index.column() == self.K_HTNAME_COL_INDEX:
return metadata_entry.ht_name
elif index.column() == self.K_SOURCEVAL_COL_INDEX:
if metadata_entry.source_type is EzMetadataEntry.SourceType.CUSTOM:
return str(self.K_CUSTOM_VALUE)
else:
return str(metadata_entry.source_value)
elif index.column() == self.K_SOURCE_COL_INDEX:
if metadata_entry.source_type is EzMetadataEntry.SourceType.CUSTOM:
return self.K_CUSTOM_VALUE
else:
return metadata_entry.source_path
elif index.column() == self.K_HTVALUE_COL_INDEX:
if metadata_entry.source_type is EzMetadataEntry.SourceType.CUSTOM:
return str(metadata_entry.ht_value)
else:
if metadata_entry.override_source_value is True:
return str(metadata_entry.ht_value)
else:
return str(self.K_FROM_SOURCE)
elif index.column() == self.K_HTANNOTATION_COL_INDEX:
return metadata_entry.ht_annotation
elif index.column() == self.K_HTUNITS_COL_INDEX:
return metadata_entry.ht_units
elif role == Qt.CheckStateRole:
if index.column() == self.K_EDITABLE_COL_INDEX:
if metadata_entry.editable is True:
return Qt.Checked
else:
return Qt.Unchecked
elif index.column() == self.K_OVERRIDESOURCEVALUE_COL_INDEX:
if metadata_entry.source_type is EzMetadataEntry.SourceType.FILE:
if metadata_entry.override_source_value is True:
return Qt.Checked
else:
return Qt.Unchecked
elif role == Qt.FontRole:
flags = self.flags(index)
if not (flags & Qt.ItemIsEditable):
italic_font = QFont()
italic_font.setItalic(True)
return italic_font
return None
def setData(self, index, value, role):
if not index.isValid():
return False
if self.metadata_model is None:
return False
metadata_entry: EzMetadataEntry = self.metadata_model.entry(index.row())
if role == Qt.EditRole:
if index.column() == self.K_SORT_COL_INDEX:
# Move row to a different location!
pass
elif index.column() == self.K_HTNAME_COL_INDEX:
metadata_entry.ht_name = value
self.dataChanged.emit(index, index)
return True
elif index.column() == self.K_HTVALUE_COL_INDEX:
if metadata_entry.source_type == EzMetadataEntry.SourceType.CUSTOM or metadata_entry.override_source_value is True:
metadata_entry.ht_value = value
self.dataChanged.emit(index, index)
return True
elif index.column() == self.K_HTANNOTATION_COL_INDEX:
metadata_entry.ht_annotation = value
self.dataChanged.emit(index, index)
return True
elif index.column() == self.K_HTUNITS_COL_INDEX:
metadata_entry.ht_units = value
self.dataChanged.emit(index, index)
return True
elif role == Qt.CheckStateRole:
if index.column() == self.K_EDITABLE_COL_INDEX:
if value == Qt.Checked:
metadata_entry.editable = True
else:
metadata_entry.editable = False
self.dataChanged.emit(index, index)
return True
elif index.column() == self.K_OVERRIDESOURCEVALUE_COL_INDEX:
if value == Qt.Checked:
metadata_entry.override_source_value = True
else:
metadata_entry.override_source_value = False
value_index = self.index(index.row(), self.K_HTVALUE_COL_INDEX)
self.dataChanged.emit(index, index)
self.dataChanged.emit(value_index, value_index)
return True
return False
def headerData(self, section, orientation, role=Qt.DisplayRole):
if role != Qt.DisplayRole:
return
if orientation == Qt.Horizontal:
if section == self.K_SORT_COL_INDEX:
return self.K_SORT_COL_NAME
elif section == self.K_HTNAME_COL_INDEX:
return self.K_HTNAME_COL_NAME
elif section == self.K_SOURCEVAL_COL_INDEX:
return self.K_SOURCEVAL_COL_NAME
elif section == self.K_SOURCE_COL_INDEX:
return self.K_SOURCE_COL_NAME
elif section == self.K_HTVALUE_COL_INDEX:
return self.K_HTVALUE_COL_NAME
elif section == self.K_OVERRIDESOURCEVALUE_COL_INDEX:
return self.K_USESOURCE_COL_NAME
elif section == self.K_EDITABLE_COL_INDEX:
return self.K_EDITABLE_COL_NAME
elif section == self.K_HTANNOTATION_COL_INDEX:
return self.K_HTANNOTATION_COL_NAME
elif section == self.K_HTUNITS_COL_INDEX:
return self.K_HTUNITS_COL_NAME
elif section == self.K_REMOVE_COL_INDEX:
return self.K_REMOVE_COL_NAME
return None
if orientation == Qt.Vertical:
return " "
def flags(self, index):
if not index.isValid():
return Qt.NoItemFlags
metadata_entry: EzMetadataEntry = self.metadata_model.entry(index.row())
if index.column() == self.K_SORT_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
elif index.column() == self.K_SOURCE_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
elif index.column() == self.K_SOURCEVAL_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
elif index.column() == self.K_HTNAME_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
elif index.column() == self.K_HTVALUE_COL_INDEX:
if metadata_entry.source_type == EzMetadataEntry.SourceType.CUSTOM:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
else:
if metadata_entry.override_source_value is True:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
else:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
elif index.column() == self.K_HTANNOTATION_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
elif index.column() == self.K_HTUNITS_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
elif index.column() == self.K_OVERRIDESOURCEVALUE_COL_INDEX:
if metadata_entry.source_type is EzMetadataEntry.SourceType.FILE:
return Qt.ItemIsEnabled | Qt.ItemIsUserCheckable | Qt.ItemIsSelectable
elif metadata_entry.source_type is EzMetadataEntry.SourceType.CUSTOM:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
else:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
elif index.column() == self.K_EDITABLE_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsUserCheckable | Qt.ItemIsSelectable
elif index.column() == self.K_REMOVE_COL_INDEX:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable | Qt.ItemIsEditable
else:
return Qt.ItemIsEnabled | Qt.ItemIsSelectable
def addRow(self, dataDict, source, value):
pass
# self.beginInsertRows(self.index(self.metadata_model.enabled_count(), 0), self.metadata_model.size(), self.metadata_model.size())
# self.endInsertRows()
def addCustomRow(self, numCustom):
self.beginInsertRows(self.index(len(self.metadata_model.entries), 0), len(
self.metadata_model.entries), len(self.metadata_model.entries))
custom = EzMetadataEntry()
custom.source_type = EzMetadataEntry.SourceType.CUSTOM
custom.source_path = ""
custom.source_value = ""
custom.ht_name = "Custom HT Name"
custom.ht_value = "Custom HT Value"
custom.ht_annotation = ""
custom.ht_units = ""
custom.override_source_value = False
custom.editable = True
custom.required = True
custom.enabled = True
self.metadata_model.append(custom)
self.endInsertRows()
def refresh_entry(self, source):
metadata_entry: EzMetadataEntry = self.metadata_model.entry_by_source(source)
if metadata_entry is not None:
row = self.metadata_model.index_from_source(source)
left_index = self.index(row, 0)
right_index = self.index(row, self.columnCount() - 1)
self.dataChanged.emit(left_index, right_index)