PyQt 4.3 QTableView / QAbstractTableModel formatting example
This example displays the output of the "dir" command using QTableView and QAbstractTableModel. It adds some more formatting to my previous example such as specifying the font, a header, column width, row height, etc.
import re
import os
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *
def main():
app = QApplication(sys.argv)
w = MyWindow()
w.show()
sys.exit(app.exec_())
class MyWindow(QWidget):
def __init__(self, *args):
QWidget.__init__(self, *args)
# create table
self.get_table_data()
table = self.createTable()
# layout
layout = QVBoxLayout()
layout.addWidget(table)
self.setLayout(layout)
def get_table_data(self):
stdouterr = os.popen4("dir c:\\")[1].read()
lines = stdouterr.splitlines()
lines = lines[5:]
lines = lines[:-2]
self.tabledata = [re.split(r"\s+", line, 4)
for line in lines]
def createTable(self):
# create the view
tv = QTableView()
# set the table model
header = ['date', 'time', '', 'size', 'filename']
tm = MyTableModel(self.tabledata, header, self)
tv.setModel(tm)
# set the minimum size
self.setMinimumSize(400, 300)
# hide grid
tv.setShowGrid(False)
# set the font
font = QFont("Courier New", 8)
tv.setFont(font)
# hide vertical header
vh = tv.verticalHeader()
vh.setVisible(False)
# set horizontal header properties
hh = tv.horizontalHeader()
hh.setStretchLastSection(True)
# set column width to fit contents
tv.resizeColumnsToContents()
# set row height
nrows = len(self.tabledata)
for row in xrange(nrows):
tv.setRowHeight(row, 18)
# enable sorting
# this doesn't work
#tv.setSortingEnabled(True)
return tv
class MyTableModel(QAbstractTableModel):
def __init__(self, datain, headerdata, parent=None, *args):
QAbstractTableModel.__init__(self, parent, *args)
self.arraydata = datain
self.headerdata = headerdata
def rowCount(self, parent):
return len(self.arraydata)
def columnCount(self, parent):
return len(self.arraydata[0])
def data(self, index, role):
if not index.isValid():
return QVariant()
elif role != Qt.DisplayRole:
return QVariant()
return QVariant(self.arraydata[index.row()][index.column()])
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return QVariant(self.headerdata[col])
return QVariant()
if __name__ == "__main__":
main()
