enumerate
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QPushButton, QListWidget, QGridLayout, QHBoxLayout, QVBoxLayout, QSizePolicy
from PyQt5.QtCore import Qt
class MyApp(QWidget):
def __init__(self):
super().__init__()
self.setWindowTitle("Moving Items Between List Widgets")
self.window_width, self.window_height = 1200, 800
self.setMinimumSize(self.window_width, self.window_height)
self.layout = QHBoxLayout()
self.setLayout(self.layout)
self.initUI()
str = "ABCDEFGHIJK"
my_list = list(str)
for i in enumerate(my_list):
self.listWidgetLeft.addItem('Item {0}'.format(i[1]))
# for i in range(10):
# self.listWidgetLeft.addItem('Item {0}'.format(list("ABCDEFGHIJK")[i]))
self.updateButtonStatus()
self.setButtonConnections()
def initUI(self):
subLayouts = {}
subLayouts['LeftColumn'] = QGridLayout()
subLayouts['RightColumn'] = QVBoxLayout()
self.layout.addLayout(subLayouts['LeftColumn'], 1)
self.layout.addLayout(subLayouts['RightColumn'], 1)
self.buttons = {}
self.buttons['>>'] = QPushButton('&>>')
self.buttons['>'] = QPushButton('>')
self.buttons['<'] = QPushButton('<')
self.buttons['<<'] = QPushButton('&<<')
self.buttons['Up'] = QPushButton('&Up')
self.buttons['Down'] = QPushButton('&Down')
for k in self.buttons:
self.buttons[k].setSizePolicy(QSizePolicy.Preferred, QSizePolicy.MinimumExpanding)
"""
First Column
"""
self.listWidgetLeft = QListWidget()
subLayouts['LeftColumn'].addWidget(self.listWidgetLeft, 1, 0, 4, 4)
subLayouts['LeftColumn'].setRowStretch(4, 1)
subLayouts['LeftColumn'].addWidget(self.buttons['>>'], 1, 4, 1, 1, alignment=Qt.AlignTop)
subLayouts['LeftColumn'].addWidget(self.buttons['<'], 2, 4, 1, 1, alignment=Qt.AlignTop)
subLayouts['LeftColumn'].addWidget(self.buttons['>'], 3, 4, 1, 1, alignment=Qt.AlignTop)
subLayouts['LeftColumn'].addWidget(self.buttons['<<'], 4, 4, 1, 1, alignment=Qt.AlignTop)
"""
Second Column
"""
self.listWidgetRight = QListWidget()
hLayout = QHBoxLayout()
subLayouts['RightColumn'].addLayout(hLayout)
hLayout.addWidget(self.listWidgetRight, 4)
vLayout = QVBoxLayout()
hLayout.addLayout(vLayout, 1)
vLayout.addWidget(self.buttons['Up'])
vLayout.addWidget(self.buttons['Down'])
vLayout.addStretch(1)
def setButtonConnections(self):
self.listWidgetLeft.itemSelectionChanged.connect(self.updateButtonStatus)
self.listWidgetRight.itemSelectionChanged.connect(self.updateButtonStatus)
self.buttons['>'].clicked.connect(self.buttonAddClicked)
self.buttons['<'].clicked.connect(self.buttonRemoveClicked)
self.buttons['>>'].clicked.connect(self.buttonAddAllClicked)
self.buttons['<<'].clicked.connect(self.buttonRemoveAllClicked)
self.buttons['Up'].clicked.connect(self.buttonUpClicked)
self.buttons['Down'].clicked.connect(self.buttonDownClicked)
def buttonAddClicked(self):
row = self.listWidgetLeft.currentRow()
rowItem = self.listWidgetLeft.takeItem(row)
self.listWidgetRight.addItem(rowItem)
def buttonRemoveClicked(self):
row = self.listWidgetRight.currentRow()
rowItem = self.listWidgetRight.takeItem(row)
self.listWidgetLeft.addItem(rowItem)
def buttonAddAllClicked(self):
for i in range(self.listWidgetLeft.count()):
self.listWidgetRight.addItem(self.listWidgetLeft.takeItem(0))
def buttonRemoveAllClicked(self):
for i in range(self.listWidgetRight.count()):
self.listWidgetLeft.addItem(self.listWidgetRight.takeItem(0))
def buttonUpClicked(self):
rowIndex = self.listWidgetRight.currentRow()
currentItem = self.listWidgetRight.takeItem(rowIndex)
self.listWidgetRight.insertItem(rowIndex - 1, currentItem)
self.listWidgetRight.setCurrentRow(rowIndex - 1)
def buttonDownClicked(self):
rowIndex = self.listWidgetRight.currentRow()
currentItem = self.listWidgetRight.takeItem(rowIndex)
self.listWidgetRight.insertItem(rowIndex + 1, currentItem)
self.listWidgetRight.setCurrentRow(rowIndex + 1)
def updateButtonStatus(self):
self.buttons['Up'].setDisabled(not bool(self.listWidgetRight.selectedItems()) or self.listWidgetRight.currentRow() == 0)
self.buttons['Down'].setDisabled(not bool(self.listWidgetRight.selectedItems()) or self.listWidgetRight.currentRow() == self.listWidgetRight.count() - 1)
self.buttons['>'].setDisabled(not bool(self.listWidgetLeft.selectedItems()) or self.listWidgetLeft.count() == 0)
self.buttons['<'].setDisabled(not bool(self.listWidgetRight.selectedItems()) or self.listWidgetRight.count() == 0)
if __name__ == '__main__':
# don't auto scale when drag app to a different monitor.
# QApplication.setAttribute(Qt.HighDpiScaleFactorRoundingPolicy.PassThrough)
app = QApplication(sys.argv)
app.setStyleSheet('''
QWidget {
font-size: 30px;
}
QPushButton {
font-size: 30px;
width: 200px;
height: 45px;
}
''')
myApp = MyApp()
myApp.show()
try:
sys.exit(app.exec_())
except SystemExit:
print('Closing Window...')