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/****************************************************************************
** $Id: qt/examples/statistics/statistics.cpp 2.3.1 edited 2001-01-26 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "statistics.h"
#include <qdir.h>
#include <qstringlist.h>
#include <qheader.h>
#include <qcombobox.h>
#include <stdlib.h>
const char* dirs[] = {
"kernel",
"tools",
"widgets",
"dialogs",
"xml",
"table",
"network",
"opengl",
"canvas",
0
};
Table::Table()
: QTable( 10, 100, 0, "table" )
{
setSorting( TRUE );
horizontalHeader()->setLabel( 0, tr( "File" ) );
horizontalHeader()->setLabel( 1, tr( "Size (bytes)" ) );
horizontalHeader()->setLabel( 2, tr( "Use in Sum" ) );
initTable();
adjustColumn( 0 );
// if the user edited something we might need to recalculate the sum
connect( this, SIGNAL( valueChanged( int, int ) ),
this, SLOT( recalcSum( int, int ) ) );
}
void Table::initTable()
{
// read all QTtsource and header files in one list
QStringList all;
int i = 0;
QString qtdir = getenv( "QTDIR" );
while ( dirs[ i ] ) {
QDir dir( qtdir + "/src/" + dirs[ i ] );
QStringList lst = dir.entryList( "*.cpp; *.h" );
for ( QStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
if ( ( *it ).contains( "moc" ) )
continue;
all << QString( dirs[ i ] ) + "/" + *it;
}
++i;
}
// set the number of needed rows of the table
setNumRows( all.count() + 1 );
i = 0;
int sum = 0;
// insert the data into the table
for ( QStringList::Iterator it = all.begin(); it != all.end(); ++it ) {
setText( i, 0, *it );
QFile f( qtdir + "/src/" + *it );
setText( i, 1, QString::number( f.size() ) );
ComboItem *ci = new ComboItem( this, QTableItem::WhenCurrent );
setItem( i++, 2, ci );
sum += f.size();
}
// last row should show the sum
TableItem *i1 = new TableItem( this, QTableItem::Never, tr( "Sum" ) );
setItem( i, 0, i1 );
TableItem *i2 = new TableItem( this, QTableItem::Never, QString::number( sum ) );
setItem( i, 1, i2 );
}
void Table::recalcSum( int, int col )
{
// only recalc if a value in the second or third column changed
if ( col < 1 || col > 2 )
return;
// recalc sum
int sum = 0;
for ( int i = 0; i < numRows() - 1; ++i ) {
if ( text( i, 2 ) == "No" )
continue;
sum += text( i, 1 ).toInt();
}
// insert calculated data
TableItem *i1 = new TableItem( this, QTableItem::Never, tr( "Sum" ) );
setItem( numRows() - 1, 0, i1 );
TableItem *i2 = new TableItem( this, QTableItem::Never, QString::number( sum ) );
setItem( numRows() - 1, 1, i2 );
}
void Table::sortColumn( int col, bool ascending, bool /*wholeRows*/ )
{
// sum row should not be sorted, so get rid of it for now
clearCell( numRows() - 1, 0 );
clearCell( numRows() - 1, 1 );
// do sort
QTable::sortColumn( col, ascending, TRUE );
// re-insert sum row
recalcSum( 0, 1 );
}
void TableItem::paint( QPainter *p, const QColorGroup &cg, const QRect &cr, bool selected )
{
QColorGroup g( cg );
// last row is the sum row - we want to make it better visible by
// using a red background
if ( row() == table()->numRows() - 1 )
g.setColor( QColorGroup::Base, red );
QTableItem::paint( p, g, cr, selected );
}
ComboItem::ComboItem( QTable *t, EditType et )
: QTableItem( t, et, "Yes" ), cb( 0 )
{
// we do not want that this item can be replaced
setReplaceable( FALSE );
}
QWidget *ComboItem::createEditor() const
{
// create an editor - a combobox in our case
( (ComboItem*)this )->cb = new QComboBox( table()->viewport() );
cb->insertItem( "Yes" );
cb->insertItem( "No" );
// and initialize it
cb->setCurrentItem( text() == "No" ? 1 : 0 );
return cb;
}
void ComboItem::setContentFromEditor( QWidget *w )
{
// the user changed the value of the combobox, so syncronize the
// value of the item (text), with the value of the combobox
if ( w->inherits( "QComboBox" ) )
setText( ( (QComboBox*)w )->currentText() );
else
QTableItem::setContentFromEditor( w );
}
void ComboItem::setText( const QString &s )
{
if ( cb ) {
// initialize the combobox from the text
if ( s == "No" )
cb->setCurrentItem( 1 );
else
cb->setCurrentItem( 0 );
}
QTableItem::setText( s );
}
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