Created
December 17, 2018 23:06
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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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