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@eyllanesc
Created Dec 17, 2018
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import sys
from PyQt5 import QtCore, QtGui, QtWidgets
def copy_widget(w):
if isinstance(w, QtWidgets.QWidget):
new_w = type(w)()
if isinstance(w, QtWidgets.QComboBox):
vals = [w.itemText(ix) for ix in range(w.count())]
new_w.addItems(vals)
return new_w
class LoadTable(QtWidgets.QTableWidget):
def __init__(self, parent=None):
super(LoadTable, self).__init__(1, 5, parent)
self.setFont(QtGui.QFont("Helvetica", 10, QtGui.QFont.Normal, italic=False))
headertitle = ("A","B","C","D","E")
self.setHorizontalHeaderLabels(headertitle)
self.verticalHeader().hide()
self.horizontalHeader().setHighlightSections(False)
self.horizontalHeader().setSectionResizeMode(QtWidgets.QHeaderView.Fixed)
self.setSelectionMode(QtWidgets.QAbstractItemView.NoSelection)
self.setColumnWidth(0, 130)
combox_lay = QtWidgets.QComboBox(self)
combox_lay.addItems(["I","II"])
self.setCellWidget(0, 4, combox_lay)
self.cellChanged.connect(self._cellclicked)
@QtCore.pyqtSlot(int, int)
def _cellclicked(self, r, c):
it = self.item(r, c)
it.setTextAlignment(QtCore.Qt.AlignCenter)
@QtCore.pyqtSlot()
def _addrow(self):
rowcount = self.rowCount()
self.insertRow(rowcount)
combox_add = QtWidgets.QComboBox(self)
combox_add.addItems(["I","II"])
self.setCellWidget(rowcount, 4, combox_add)
@QtCore.pyqtSlot()
def _removerow(self):
if self.rowCount() > 0:
self.removeRow(self.rowCount()-1)
@QtCore.pyqtSlot()
def _copyrow(self):
r = self.currentRow()
if 0 <= r < self.rowCount():
cells = {"items": [], "widgets": []}
for i in range(self.columnCount()):
it = self.item(r, i)
if it:
cells["items"].append((i, it.clone()))
w = self.cellWidget(r, i)
if w:
cells["widgets"].append((i, copy_widget(w)))
self.copy(cells, r+1)
def copy(self, cells, r):
self.insertRow(r)
for i, it in cells["items"]:
self.setItem(r, i, it)
for i, w in cells["widgets"]:
self.setCellWidget(r, i, w)
class FloatDelegate(QtWidgets.QStyledItemDelegate):
def createEditor(self, parent, option, index):
editor = QtWidgets.QDoubleSpinBox(parent)
editor.setDecimals(5)
editor.setMinimum(-sys.float_info.max)
editor.setMaximum(sys.float_info.max)
return editor
class ThirdTabLoads(QtWidgets.QWidget):
def __init__(self, parent=None):
super(ThirdTabLoads, self).__init__(parent)
table = LoadTable()
add_button = QtWidgets.QPushButton("Add")
add_button.clicked.connect(table._addrow)
delete_button = QtWidgets.QPushButton("Delete")
delete_button.clicked.connect(table._removerow)
copy_button = QtWidgets.QPushButton("Copy")
copy_button.clicked.connect(table._copyrow)
button_layout = QtWidgets.QVBoxLayout()
button_layout.addWidget(add_button, alignment=QtCore.Qt.AlignBottom)
button_layout.addWidget(delete_button, alignment=QtCore.Qt.AlignTop)
button_layout.addWidget(copy_button, alignment=QtCore.Qt.AlignTop)
tablehbox = QtWidgets.QHBoxLayout()
tablehbox.setContentsMargins(10, 10, 10, 10)
tablehbox.addWidget(table)
grid = QtWidgets.QGridLayout(self)
grid.addLayout(button_layout, 0, 1)
grid.addLayout(tablehbox, 0, 0)
for i in (1, 2, 3):
delegate = FloatDelegate(self)
table.setItemDelegateForColumn(i, delegate)
if __name__ == '__main__':
app = QtWidgets.QApplication(sys.argv)
w = ThirdTabLoads()
w.show()
sys.exit(app.exec_())
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