<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/src/table/qtable.cpp:1657 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>table/statistics/statistics.cpp Example File</title> <style type="text/css"><!-- fn { margin-left: 1cm; text-indent: -1cm; } a:link { color: #004faf; text-decoration: none } a:visited { color: #672967; text-decoration: none } body { background: #ffffff; color: black; } --></style> </head> <body> <table border="0" cellpadding="0" cellspacing="0" width="100%"> <tr bgcolor="#E5E5E5"> <td valign=center> <a href="index.html"> <font color="#004faf">Home</font></a> | <a href="classes.html"> <font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"> <font color="#004faf">Main Classes</font></a> | <a href="annotated.html"> <font color="#004faf">Annotated</font></a> | <a href="groups.html"> <font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"> <font color="#004faf">Functions</font></a> </td> <td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>table/statistics/statistics.cpp Example File</h1> <pre>/**************************************************************************** ** $Id: qt/statistics.cpp 3.3.8 edited Jan 11 14:37 $ ** ** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. ** ** This file is part of an example program for TQt. This example ** program may be used, distributed and modified without limitation. ** *****************************************************************************/ #include "statistics.h" #include <<a href="qdir-h.html">ntqdir.h</a>> #include <<a href="qstringlist-h.html">ntqstringlist.h</a>> #include <<a href="qheader-h.html">ntqheader.h</a>> #include <<a href="qcombobox-h.html">ntqcombobox.h</a>> #include <stdlib.h> const char* dirs[] = { "kernel", "tools", "widgets", "dialogs", "xml", "table", "network", "opengl", "canvas", 0 }; <a name="f145"></a>Table::Table() : <a href="ntqtable.html">TQTable</a>( 10, 100, 0, "table" ) { <a href="ntqtable.html#setSorting">setSorting</a>( TRUE ); <a href="ntqtable.html#horizontalHeader">horizontalHeader</a>()->setLabel( 0, tr( "File" ) ); <a href="ntqtable.html#horizontalHeader">horizontalHeader</a>()->setLabel( 1, tr( "Size (bytes)" ) ); <a href="ntqtable.html#horizontalHeader">horizontalHeader</a>()->setLabel( 2, tr( "Use in Sum" ) ); initTable(); <a href="ntqtable.html#adjustColumn">adjustColumn</a>( 0 ); // if the user edited something we might need to recalculate the sum <a href="ntqobject.html#connect">connect</a>( this, SIGNAL( <a href="ntqtable.html#valueChanged">valueChanged</a>( int, int ) ), this, SLOT( recalcSum( int, int ) ) ); } void <a name="f146"></a>Table::initTable() { // read all the TQt source and header files into a list <a href="ntqstringlist.html">TQStringList</a> all; int i = 0; <a href="ntqstring.html">TQString</a> srcdir( "../../../src/" ); while ( dirs[ i ] ) { <a href="ntqdir.html">TQDir</a> dir( srcdir + dirs[ i ] ); <a name="x2780"></a> <a href="ntqstringlist.html">TQStringList</a> lst = dir.<a href="ntqdir.html#entryList">entryList</a>( "*.cpp; *.h" ); <a name="x2791"></a><a name="x2789"></a> for ( TQStringList::Iterator it = lst.<a href="ntqvaluelist.html#begin">begin</a>(); it != lst.<a href="ntqvaluelist.html#end">end</a>(); ++it ) { if ( ( *it ).contains( "moc" ) ) continue; all << (TQString( dirs[ i ] ) + "/" + *it); } ++i; } // set the number of rows we'll need for the table <a name="x2790"></a> <a href="ntqtable.html#setNumRows">setNumRows</a>( all.<a href="ntqvaluelist.html#count">count</a>() + 1 ); i = 0; int sum = 0; // insert the data into the table for ( TQStringList::Iterator it = all.<a href="ntqvaluelist.html#begin">begin</a>(); it != all.<a href="ntqvaluelist.html#end">end</a>(); ++it ) { <a href="ntqtable.html#setText">setText</a>( i, 0, *it ); <a href="ntqfile.html">TQFile</a> f( srcdir + *it ); <a name="x2781"></a> <a href="ntqtable.html#setText">setText</a>( i, 1, TQString::number( (ulong)f.<a href="ntqfile.html#size">size</a>() ) ); ComboItem *ci = new ComboItem( this, TQTableItem::WhenCurrent ); <a href="ntqtable.html#setItem">setItem</a>( i++, 2, ci ); sum += f.<a href="ntqfile.html#size">size</a>(); } // last row should show the sum TableItem *i1 = new TableItem( this, TQTableItem::Never, tr( "Sum" ) ); <a href="ntqtable.html#setItem">setItem</a>( i, 0, i1 ); TableItem *i2 = new TableItem( this, TQTableItem::Never, TQString::number( sum ) ); <a href="ntqtable.html#setItem">setItem</a>( i, 1, i2 ); } void <a name="f147"></a>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 ( <a href="qtableitem.html#text">text</a>( i, 2 ) == "No" ) continue; sum += <a href="qtableitem.html#text">text</a>( i, 1 ).toInt(); } // insert calculated data TableItem *i1 = new TableItem( this, TQTableItem::Never, tr( "Sum" ) ); setItem( numRows() - 1, 0, i1 ); TableItem *i2 = new TableItem( this, TQTableItem::Never, TQString::number( sum ) ); setItem( numRows() - 1, 1, i2 ); } <a name="x2784"></a>void Table::<a href="ntqtable.html#sortColumn">sortColumn</a>( 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 TQTable::<a href="ntqtable.html#sortColumn">sortColumn</a>( col, ascending, TRUE ); // re-insert sum row recalcSum( 0, 1 ); } <a name="x2786"></a>void TableItem::<a href="qtableitem.html#paint">paint</a>( <a href="ntqpainter.html">TQPainter</a> *p, const <a href="qcolorgroup.html">TQColorGroup</a> &cg, const <a href="ntqrect.html">TQRect</a> &cr, bool selected ) { <a href="qcolorgroup.html">TQColorGroup</a> g( cg ); // last row is the sum row - we want to make it more visible by // using a red background if ( <a href="qtableitem.html#row">row</a>() == <a href="qtableitem.html#table">table</a>()->numRows() - 1 ) <a name="x2779"></a> g.<a href="qcolorgroup.html#setColor">setColor</a>( TQColorGroup::Base, red ); TQTableItem::<a href="qtableitem.html#paint">paint</a>( p, g, cr, selected ); } <a name="f144"></a>ComboItem::ComboItem( <a href="ntqtable.html">TQTable</a> *t, EditType et ) : <a href="qtableitem.html">TQTableItem</a>( t, et, "Yes" ), cb( 0 ) { // we do not want this item to be replaced <a href="qtableitem.html#setReplaceable">setReplaceable</a>( FALSE ); } <a name="x2785"></a>TQWidget *ComboItem::<a href="qtableitem.html#createEditor">createEditor</a>() const { // create an editor - a combobox in our case ( (ComboItem*)this )->cb = new <a href="ntqcombobox.html">TQComboBox</a>( <a href="qtableitem.html#table">table</a>()->viewport() ); TQObject::<a href="ntqobject.html#connect">connect</a>( cb, SIGNAL( activated( int ) ), table(), SLOT( doValueChanged() ) ); cb->insertItem( "Yes" ); cb->insertItem( "No" ); // and initialize it cb->setCurrentItem( <a href="qtableitem.html#text">text</a>() == "No" ? 1 : 0 ); return cb; } <a name="x2787"></a>void ComboItem::<a href="qtableitem.html#setContentFromEditor">setContentFromEditor</a>( <a href="ntqwidget.html">TQWidget</a> *w ) { // the user changed the value of the combobox, so synchronize the // value of the item (its text), with the value of the combobox <a name="x2783"></a> if ( w-><a href="ntqobject.html#inherits">inherits</a>( "TQComboBox" ) ) <a href="qtableitem.html#setText">setText</a>( ( (TQComboBox*)w )->currentText() ); else TQTableItem::<a href="qtableitem.html#setContentFromEditor">setContentFromEditor</a>( w ); } <a name="x2788"></a>void ComboItem::<a href="qtableitem.html#setText">setText</a>( const <a href="ntqstring.html">TQString</a> &s ) { if ( cb ) { // initialize the combobox from the text if ( s == "No" ) cb->setCurrentItem( 1 ); else cb->setCurrentItem( 0 ); } TQTableItem::<a href="qtableitem.html#setText">setText</a>( s ); } </pre><!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2007 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>TQt 3.3.8</div> </table></div></address></body> </html>