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