Thomas Peetz
86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
from datetime import datetime
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from PySide6.QtCore import QAbstractTableModel, QModelIndex
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from PySide6.QtGui import Qt
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from model_config import KontorModelConfig
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class KontorTableModel(QAbstractTableModel):
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def __init__(self, model_config: KontorModelConfig):
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super().__init__()
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self._main_window = model_config.main_window
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self._config = model_config
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self._data = None
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def refresh(self):
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data = []
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cursor = self._config.db_conn.cursor()
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cursor.execute(self._config.get_statement())
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rows = cursor.fetchall()
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# print(len(rows))
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if len(rows) > 0:
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self.beginResetModel()
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for row in rows:
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data.append(list(row))
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self._data = data
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self.endResetModel()
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else:
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self._data = None
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self.layoutChanged.emit()
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self._main_window.statusBar.showMessage(f"{len(rows)} Einträge geladen", 3000)
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def rowCount(self, parent=QModelIndex()):
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# The length of the outer list.
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if self._data is None:
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return 0
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return len(self._data)
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def headerData(self, col, orientation, role=Qt.ItemDataRole.DisplayRole):
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if orientation == Qt.Orientation.Horizontal and role == Qt.ItemDataRole.DisplayRole:
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return self._config.header[col]['column']
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if orientation == Qt.Orientation.Vertical and role == Qt.ItemDataRole.DisplayRole:
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return str(col+1)
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def data(self, index, role=Qt.ItemDataRole.DisplayRole):
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if self._data is None:
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return None
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value = self._data[index.row()][index.column()]
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if role == Qt.ItemDataRole.DisplayRole:
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# print('{}: {}'.format(value, type(value)))
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if isinstance(value, datetime):
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return value.strftime("%Y-%m-%d %M:%M:%S")
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if isinstance(value, str):
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return value
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if isinstance(value, bytes):
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if value == b'\x01':
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return self._main_window.tick
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else:
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return self._main_window.cross
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return str(value)
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if role == Qt.ItemDataRole.DecorationRole:
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if isinstance(value, bytes):
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# print('{}: {}'.format(value, type(value)))
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if value == b'\x01':
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return self._main_window.tick
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else:
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return self._main_window.cross
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def columnCount(self, index=QModelIndex()):
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# The following takes the first sub-list, and returns
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# the length (only works if all rows are an equal length)
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# print(f"Header count: {len(self._config.get_header())}")
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return len(self._config.header)
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def setData(self, index, value, role=Qt.ItemDataRole.EditRole):
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if role == Qt.ItemDataRole.EditRole:
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self._data[index.row()][index.column()] = value
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if role == Qt.ItemDataRole.CheckStateRole:
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checked = value == Qt.CheckState.Checked
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self._data[index.row()][index.column()] = checked
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return True
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def flags(self, index):
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return Qt.ItemFlag.ItemIsSelectable | Qt.ItemFlag.ItemIsEnabled | Qt.ItemFlag.ItemIsEditable | Qt.ItemFlag.ItemIsUserTristate
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