summaryrefslogtreecommitdiffstats
path: root/examples/table/statistics/statistics.cpp
blob: c67c19387158977a3878b20ecf194a5eeadfa339 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/****************************************************************************
**
** Copyright (C) 1992-2008 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 <ntqdir.h>
#include <ntqstringlist.h>
#include <ntqheader.h>
#include <ntqcombobox.h>
#include <stdlib.h>

const char* dirs[] = {
    "kernel",
    "tools",
    "widgets",
    "dialogs",
    "xml",
    "table",
    "network",
    "opengl",
    "canvas",
    0
};

Table::Table()
    : TQTable( 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 the TQt source and header files into a list
    TQStringList all;
    int i = 0;
    TQString srcdir( "../../../src/" );
    while ( dirs[ i ] ) {
	TQDir dir( srcdir + dirs[ i ] );
	TQStringList lst = dir.entryList( "*.cpp; *.h" );
	for ( TQStringList::Iterator it = lst.begin(); it != lst.end(); ++it ) {
	    if ( ( *it ).contains( "moc" ) )
		continue;
	    all << (TQString( dirs[ i ] ) + "/" + *it);
	}
	++i;
    }

    // set the number of rows we'll need for the table
    setNumRows( all.count() + 1 );
    i = 0;
    int sum = 0;

    // insert the data into the table
    for ( TQStringList::Iterator it = all.begin(); it != all.end(); ++it ) {
	setText( i, 0, *it );
	TQFile f( srcdir + *it );
	setText( i, 1, TQString::number( (ulong)f.size() ) );
	ComboItem *ci = new ComboItem( this, TQTableItem::WhenCurrent );
	setItem( i++, 2, ci );
	sum += f.size();
    }

    // last row should show the sum
    TableItem *i1 = new TableItem( this, TQTableItem::Never, tr( "Sum" ) );
    setItem( i, 0, i1 );
    TableItem *i2 = new TableItem( this, TQTableItem::Never, TQString::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, TQTableItem::Never, tr( "Sum" ) );
    setItem( numRows() - 1, 0, i1 );
    TableItem *i2 = new TableItem( this, TQTableItem::Never, TQString::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
    TQTable::sortColumn( col, ascending, TRUE );
    // re-insert sum row
    recalcSum( 0, 1 );
}



void TableItem::paint( TQPainter *p, const TQColorGroup &cg, const TQRect &cr, bool selected )
{
    TQColorGroup g( cg );
    // last row is the sum row - we want to make it more visible by
    // using a red background
    if ( row() == table()->numRows() - 1 )
	g.setColor( TQColorGroup::Base, red );
    TQTableItem::paint( p, g, cr, selected );
}




ComboItem::ComboItem( TQTable *t, EditType et )
    : TQTableItem( t, et, "Yes" ), cb( 0 )
{
    // we do not want this item to be replaced
    setReplaceable( FALSE );
}

TQWidget *ComboItem::createEditor() const
{
    // create an editor - a combobox in our case
    ( (ComboItem*)this )->cb = new TQComboBox( table()->viewport() );
    TQObject::connect( cb, SIGNAL( activated( int ) ), table(), SLOT( doValueChanged() ) );
    cb->insertItem( "Yes" );
    cb->insertItem( "No" );
    // and initialize it
    cb->setCurrentItem( text() == "No" ? 1 : 0 );
    return cb;
}

void ComboItem::setContentFromEditor( TQWidget *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( "TQComboBox" ) )
	setText( ( (TQComboBox*)w )->currentText() );
    else
	TQTableItem::setContentFromEditor( w );
}

void ComboItem::setText( const TQString &s )
{
    if ( cb ) {
	// initialize the combobox from the text
	if ( s == "No" )
	    cb->setCurrentItem( 1 );
	else
	    cb->setCurrentItem( 0 );
    }
    TQTableItem::setText( s );
}