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#!/usr/bin/env python
#****************************************************************************
#** $Id$
#**
#** Copyright (C) 1992-1998 Troll Tech AS. All rights reserved.
#**
#** This file is part of an example program for PyQt. This example
#** program may be used, distributed and modified without limitation.
#**
#*****************************************************************************/
import sys
import os
from qt import *
from qttable import *
TRUE = 1
FALSE = 0
# column constants
TB_FILE = 0
TB_SIZE = 1
TB_FLAG = 2
TB_COLS = 3
dirs = (
"kernel",
"tools",
"widgets",
"dialogs",
"xml",
"table",
"network",
"opengl",
"canvas",
)
class Table(QTable):
def __init__(self):
QTable.__init__(self, 0, TB_COLS)
self.setSorting(TRUE)
self.horizontalHeader().setLabel(TB_FILE, self.tr("File"))
self.horizontalHeader().setLabel(TB_SIZE, self.tr("Size (bytes)"))
self.horizontalHeader().setLabel(TB_FLAG, self.tr("Use in Sum"))
self.initTable()
self.adjustColumn(TB_FILE)
# if the user edited something we might need to recalculate the sum
self.connect(self, SIGNAL("valueChanged(int, int)"), self.recalcSum)
def initTable(self):
# read all the Qt source and header files into a list
all = []
qtdir = os.getenv("QTDIR")
for i in dirs:
dir = QDir(os.path.join(qtdir, "src", i))
lst = QStringList(dir.entryList("*.cpp; *.h"))
for f in lst:
if f.contains("moc"):
continue
all.append(os.path.join(i, str(f)))
# set the number of rows we'll need for the table
self.setNumRows(len(all) + 1)
i = 0
sum = 0L
# insert the data into the table
for it in all:
self.setText(i, TB_FILE, it)
f = QFile(os.path.join(qtdir, "src", str(it)))
self.setText(i, TB_SIZE, str(f.size()))
ci = ComboItem(self, QTableItem.WhenCurrent)
self.setItem(i, TB_FLAG, ci)
i = i + 1
sum += f.size()
self.displaySum(sum)
def recalcSum(self, dummy, col):
# only recalc if a value in the second or third column changed
if col < TB_SIZE or col > TB_FLAG:
return
sum = 0L
for i in range(self.numRows()-1):
if str(self.text(i, TB_FLAG)) == "No":
continue
sum += long(str(self.text(i, TB_SIZE)))
self.displaySum(sum)
def displaySum(self, sum):
# insert calculated data
i1 = TableItem(self, QTableItem.Never, self.tr("Sum"))
self.setItem(self.numRows()-1, TB_FILE, i1)
i2 = TableItem(self, QTableItem.Never, str(sum))
self.setItem(self.numRows()-1, TB_SIZE, i2)
def sortColumn(self, col, ascending, wholeRows):
# sum row should not be sorted, so get rid of it for now
self.clearCell(self.numRows()-1, TB_FILE)
self.clearCell(self.numRows()-1, TB_SIZE)
# do sort
QTable.sortColumn(self, col, ascending, TRUE)
# re-insert sum row
self.recalcSum(0, TB_SIZE)
class TableItem(QTableItem):
def __init__(self, *args):
apply(QTableItem.__init__, (self,) + args)
def paint(self, p, cg, cr, selected):
g = QColorGroup(cg)
# last row is the sum row - we want to make it more visible by
# using a red background
if self.row() == self.table().numRows()-1:
g.setColor(QColorGroup.Base, QColor("red"))
QTableItem.paint(self, p, g, cr, selected)
class ComboItem(QTableItem):
def __init__(self, t, et):
QTableItem.__init__(self, t, et, "Yes")
self.cb = None
# we do not want this item to be replaced
self.setReplaceable(FALSE)
def createEditor(self):
# create an editor - a combobox in our case
self.cb = QComboBox(self.table().viewport())
QObject.connect(self.cb, SIGNAL("activated(int)"),
self.table(), SLOT("doValueChanged()"))
self.cb.insertItem("Yes")
self.cb.insertItem("No")
# and initialize it
if str(self.text()) == "No":
self.cb.setCurrentItem(1)
else:
self.cb.setCurrentItem(0)
return self.cb
def setContentFromEditor(self, w):
# the user changed the value of the combobox, so synchronize the
# value of the item (its text), with the value of the combobox
if w.inherits("QComboBox"):
self.setText(w.currentText())
else:
QTableItem.setContentFromEditor(self, w)
def setText(self, s):
# initialize the combobox from the text
if self.cb:
if str(s) == "No":
self.cb.setCurrentItem(1)
else:
self.cb.setCurrentItem(0)
QTableItem.setText(self, s)
if __name__ == '__main__':
app = QApplication(sys.argv)
t = Table()
t.setCaption("Statistics")
t.show()
app.setMainWidget(t)
app.exec_loop()
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