source: trunk/demos/spreadsheet/spreadsheetdelegate.cpp@ 350

Last change on this file since 350 was 2, checked in by Dmitry A. Kuminov, 16 years ago

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

File size: 4.2 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 demonstration applications of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial Usage
10** Licensees holding valid Qt Commercial licenses may use this file in
11** accordance with the Qt Commercial License Agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Nokia.
14**
15** GNU Lesser General Public License Usage
16** Alternatively, this file may be used under the terms of the GNU Lesser
17** General Public License version 2.1 as published by the Free Software
18** Foundation and appearing in the file LICENSE.LGPL included in the
19** packaging of this file. Please review the following information to
20** ensure the GNU Lesser General Public License version 2.1 requirements
21** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
22**
23** In addition, as a special exception, Nokia gives you certain
24** additional rights. These rights are described in the Nokia Qt LGPL
25** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
26** package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
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40****************************************************************************/
41
42#include "spreadsheetdelegate.h"
43#include <QtGui>
44
45SpreadSheetDelegate::SpreadSheetDelegate(QObject *parent)
46 : QItemDelegate(parent) {}
47
48QWidget *SpreadSheetDelegate::createEditor(QWidget *parent,
49 const QStyleOptionViewItem &,
50 const QModelIndex &index) const
51{
52 if (index.column() == 1) {
53 QDateTimeEdit *editor = new QDateTimeEdit(parent);
54 editor->setDisplayFormat("dd/M/yyy");
55 editor->setCalendarPopup(true);
56 return editor;
57 }
58
59 QLineEdit *editor = new QLineEdit(parent);
60
61 // create a completer with the strings in the column as model
62 QStringList allStrings;
63 for (int i = 1; i<index.model()->rowCount(); i++) {
64 QString strItem(index.model()->data(index.sibling(i, index.column()),
65 Qt::EditRole).toString());
66
67 if (!allStrings.contains(strItem))
68 allStrings.append(strItem);
69 }
70
71 QCompleter *autoComplete = new QCompleter(allStrings);
72 editor->setCompleter(autoComplete);
73 connect(editor, SIGNAL(editingFinished()),
74 this, SLOT(commitAndCloseEditor()));
75 return editor;
76}
77
78void SpreadSheetDelegate::commitAndCloseEditor()
79{
80 QLineEdit *editor = qobject_cast<QLineEdit *>(sender());
81 emit commitData(editor);
82 emit closeEditor(editor);
83}
84
85void SpreadSheetDelegate::setEditorData(QWidget *editor,
86 const QModelIndex &index) const
87{
88 QLineEdit *edit = qobject_cast<QLineEdit*>(editor);
89 if (edit) {
90 edit->setText(index.model()->data(index, Qt::EditRole).toString());
91 } else {
92 QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
93 if (dateEditor) {
94 dateEditor->setDate(QDate::fromString(
95 index.model()->data(index, Qt::EditRole).toString(),
96 "d/M/yy"));
97 }
98 }
99}
100
101void SpreadSheetDelegate::setModelData(QWidget *editor,
102 QAbstractItemModel *model, const QModelIndex &index) const
103{
104 QLineEdit *edit = qobject_cast<QLineEdit *>(editor);
105 if (edit) {
106 model->setData(index, edit->text());
107 } else {
108 QDateTimeEdit *dateEditor = qobject_cast<QDateTimeEdit *>(editor);
109 if (dateEditor) {
110 model->setData(index, dateEditor->date().toString("dd/M/yyy"));
111 }
112 }
113}
114
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