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bla.py
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bla.py
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import operator
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import re
import itertools
import codecs
import sqlite3
import sys
import os
class MyWindow(QWidget):
def __init__(self, *args):
QWidget.__init__(self, *args)
self.setWindowTitle("Sorting PyQT's QTableView")
self.setGeometry(300, 200, 600, 500)
self.listview = self.createList()
self.tableview = self.createTable(self.listmodel.data[0])
sizePolicy = QSizePolicy(QSizePolicy.Fixed, QSizePolicy.Expanding)
self.listview.setSizePolicy(sizePolicy)
layout = QHBoxLayout()
layout.addWidget(self.listview)
layout.addWidget(self.tableview)
self.setLayout(layout)
self.connect(self.listview, SIGNAL("activated(QModelIndex)"), self.updateTable)
def updateTable(self, index):
print index.row()
print self.listmodel.data[index.row()]
self.tmodel.changeTable(self.listmodel.data[index.row()])
self.tview.resizeColumnsToContents()
def createTable(self, tablename):
self.tview = QTableView()
self.tmodel = MyTableModel(self, tablename)
self.tview.setModel(self.tmodel)
self.tview.setShowGrid(False)
vh = self.tview.verticalHeader()
vh.setVisible(False)
hh = self.tview.horizontalHeader()
self.tview.resizeColumnsToContents()
nrows = self.tmodel.rowCount()
for row in range(nrows):
self.tview.setRowHeight(row, 18)
self.tview.setSortingEnabled(True)
return self.tview
def createList(self):
listview = QListView()
self.listmodel = MyListModel(self)
listview.setModel(self.listmodel)
listview.setResizeMode(QListView.Fixed)
return listview
class MyListModel(QAbstractListModel):
def __init__(self, parent, *args):
QAbstractListModel.__init__(self, parent, *args)
self.conn = sqlite3.connect('test.db')
self.c = self.conn.cursor()
self.c.execute("SELECT name FROM sqlite_master WHERE type='table' ORDER BY name;")
results = self.c.fetchall()
print results
self.data = [x[0] for x in results]
def __del__(self):
self.conn.commit()
self.c.close()
def rowCount(self, parent=None):
return len(self.data)
def data(self, index, role):
if not index.isValid():
return QVariant()
elif role != Qt.DisplayRole:
return QVariant()
return QVariant(self.data[index.row()])
class MyTableModel(QAbstractTableModel):
def __init__(self, parent, tablename, *args):
QAbstractTableModel.__init__(self, parent, *args)
self.conn = sqlite3.connect('test.db')
self.c = self.conn.cursor()
self.tablename = tablename
self.setHeader()
self.order = "ASC"
self.data = None
self.reloadData()
def __del__(self):
self.conn.commit()
self.c.close()
def rowCount(self, parent=None):
return len(self.data)
def columnCount(self, parent=None):
return len(self.header)
def changeTable(self, tablename):
self.tablename = tablename
self.setHeader()
self.reset()
def setHeader(self):
self.c.execute("PRAGMA table_info(%s);" % self.tablename)
results = self.c.fetchall()
self.header = [x[1] for x in results]
self.sort = self.header[0]
def data(self, index, role):
if not index.isValid():
return QVariant()
elif role != Qt.DisplayRole:
return QVariant()
return QVariant(self.data[index.row()][index.column()])
def headerData(self, col, orientation, role):
if orientation == Qt.Horizontal and role == Qt.DisplayRole:
return QVariant(self.header[col])
return QVariant()
def sort(self, col, order):
self.sort = self.header[col]
if order == Qt.DescendingOrder:
self.order = "DESC"
else:
self.order = "ASC"
self.reset()
def reloadData(self):
sql = "SELECT * FROM %s ORDER BY %s %s;" % (self.tablename, self.sort, self.order)
print sql
self.c.execute(sql)
self.data = self.c.fetchall()
def reset(self):
self.reloadData()
QAbstractTableModel.reset(self)
app = QApplication(sys.argv)
win = MyWindow()
win.show()
sys.exit(app.exec_())