Thomas Peetz
90 lines
3.3 KiB
Python
90 lines
3.3 KiB
Python
from datetime import datetime
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import mariadb
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from PySide6.QtCore import QAbstractTableModel, QModelIndex, Qt
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from PySide6.QtGui import QColor
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class ComicTableModel(QAbstractTableModel):
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def __init__(self, db_config, main_window):
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super().__init__()
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self.main_window = main_window
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self._data = []
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self.status_bar = main_window.statusBar
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self.mariadb_conn = mariadb.connect(
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host=db_config['mariadb']['host'],
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port=db_config['mariadb']['port'],
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user=db_config['mariadb']['user'],
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password=db_config['mariadb']['password'],
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database=db_config['mariadb']['database']
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)
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self.refresh()
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def refresh(self):
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data = []
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cursor = self.mariadb_conn.cursor()
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cursor.execute("SELECT id, created_date, last_modified_date, title, publisher_id FROM comic")
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rows = cursor.fetchall()
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for row in rows:
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data.append(list(row))
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self.status_bar.showMessage(f"{len(rows)} Einträge geladen", 3000)
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self._data = data
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def rowCount(self, parent=QModelIndex()):
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# The length of the outer list.
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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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match col:
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case 0:
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return "ID"
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case 1:
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return "Created"
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case 2:
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return "Updated"
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case 3:
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return "Title"
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case 4:
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return "Verlag"
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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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value = self._data[index.row()][index.column()]
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if role == Qt.ItemDataRole.DisplayRole:
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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 "True"
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return "False"
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return 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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return len(self._data[0])
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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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