source: trunk/src/gui/itemviews/qstandarditemmodel.cpp@ 273

Last change on this file since 273 was 2, checked in by Dmitry A. Kuminov, 17 years ago

Initially imported qt-all-opensource-src-4.5.1 from Trolltech.

File size: 85.0 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
4** Contact: Qt Software Information ([email protected])
5**
6** This file is part of the QtGui module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
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15** GNU Lesser General Public License Usage
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19** packaging of this file. Please review the following information to
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40****************************************************************************/
41
42#include "qstandarditemmodel.h"
43
44#ifndef QT_NO_STANDARDITEMMODEL
45
46#include <QtCore/qdatetime.h>
47#include <QtCore/qlist.h>
48#include <QtCore/qmap.h>
49#include <QtCore/qpair.h>
50#include <QtCore/qvariant.h>
51#include <QtCore/qvector.h>
52#include <QtCore/qstringlist.h>
53#include <QtCore/qbitarray.h>
54#include <QtCore/qmimedata.h>
55
56#include <private/qstandarditemmodel_p.h>
57#include <qdebug.h>
58
59QT_BEGIN_NAMESPACE
60
61class QStandardItemModelLessThan
62{
63public:
64 inline QStandardItemModelLessThan()
65 { }
66
67 inline bool operator()(const QPair<QStandardItem*, int> &l,
68 const QPair<QStandardItem*, int> &r) const
69 {
70 return *(l.first) < *(r.first);
71 }
72};
73
74class QStandardItemModelGreaterThan
75{
76public:
77 inline QStandardItemModelGreaterThan()
78 { }
79
80 inline bool operator()(const QPair<QStandardItem*, int> &l,
81 const QPair<QStandardItem*, int> &r) const
82 {
83 return *(r.first) < *(l.first);
84 }
85};
86
87/*!
88 \internal
89*/
90QStandardItemPrivate::~QStandardItemPrivate()
91{
92 QVector<QStandardItem*>::const_iterator it;
93 for (it = children.constBegin(); it != children.constEnd(); ++it) {
94 QStandardItem *child = *it;
95 if (child)
96 child->d_func()->setModel(0);
97 delete child;
98 }
99 children.clear();
100 if (parent && model)
101 parent->d_func()->childDeleted(q_func());
102}
103
104/*!
105 \internal
106*/
107QPair<int, int> QStandardItemPrivate::position() const
108{