Pamhyr2/src/View/SedimentLayers/Table.py

152 lines
3.7 KiB
Python

# -*- coding: utf-8 -*-
from tools import trace, timer
from PyQt5.QtCore import (
Qt, QVariant, QAbstractTableModel,
QCoreApplication, QModelIndex, pyqtSlot,
QRect,
)
from PyQt5.QtWidgets import (
QDialogButtonBox, QPushButton, QLineEdit,
QFileDialog, QTableView, QAbstractItemView,
QUndoStack, QShortcut, QAction, QItemDelegate,
QComboBox,
)
from View.SedimentLayers.UndoCommand import *
from View.SedimentLayers.translate import *
_translate = QCoreApplication.translate
class TableModel(QAbstractTableModel):
def __init__(self, study=None, undo=None):
super(QAbstractTableModel, self).__init__()
self._headers = list(table_headers.keys())
self._study = study
self._undo = undo
self._sl = self._study.river.sediment_layers
def flags(self, index):
options = Qt.ItemIsEnabled | Qt.ItemIsSelectable
options |= Qt.ItemIsEditable
return options
def rowCount(self, parent):
return len(self._sl)
def columnCount(self, parent):
return len(self._headers)
def data(self, index, role):
if role != Qt.ItemDataRole.DisplayRole:
return QVariant()
row = index.row()
column = index.column()
if self._headers[column] == "name":
return self._sl.get(row).name
elif self._headers[column] == "comment":
return self._sl.get(row).comment
return QVariant()
def headerData(self, friction, orientation, role):
if role == Qt.ItemDataRole.DisplayRole and orientation == Qt.Orientation.Horizontal:
return table_headers[self._headers[friction]]
return QVariant()
def setData(self, index, value, role=Qt.EditRole):
if not index.isValid() or role != Qt.EditRole:
return False
row = index.row()
column = index.column()
if self._headers[column] == "name":
self._undo.push(
SetNameCommand(
self._sl, row, value
)
)
if self._headers[column] == "comment":
self._undo.push(
SetCommentCommand(
self._sl, row, value
)
)
self.dataChanged.emit(index, index)
return True
def add(self, row, parent=QModelIndex()):
self.beginInsertRows(parent, row, row - 1)
self._undo.push(
AddCommand(
self._sl, row
)
)
self.endInsertRows()
self.layoutChanged.emit()
def delete(self, rows, parent=QModelIndex()):
self.beginRemoveRows(parent, rows[0], rows[-1])
self._undo.push(
DelCommand(
self._sl, rows
)
)
self.endRemoveRows()
self.layoutChanged.emit()
def move_up(self, row, parent=QModelIndex()):
if row <= 0:
return
target = row + 2
self.beginMoveRows(parent, row - 1, row - 1, parent, target)
self._undo_stack.push(
MoveCommand(
self._sl, "up", row
)
)
self.endMoveRows()
self.layoutChanged.emit()
def move_down(self, index, parent=QModelIndex()):
if row > len(self._sl):
return
target = row
self.beginMoveRows(parent, row + 1, row + 1, parent, target)
self._undo_stack.push(
MoveCommand(
self._sl, "down", row
)
)
self.endMoveRows()
self.layoutChanged.emit()
def undo(self):
self._undo.undo()
self.layoutChanged.emit()
def redo(self):
self._undo.redo()
self.layoutChanged.emit()