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
172
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "classlist.h"
#include <utils/qtcassert.h>
#include <QKeyEvent>
#include <QMessageBox>
#include <QStandardItemModel>
#include <QStandardItem>
#include <QDebug>
#include <QRegExp>
namespace Qt4ProjectManager {
namespace Internal {
// ClassModel: Validates the class name in setData() and
// refuses placeholders and invalid characters.
class ClassModel : public QStandardItemModel {
public:
explicit ClassModel(QObject *parent = 0);
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
void appendPlaceHolder() { appendClass(m_newClassPlaceHolder); }
QModelIndex placeHolderIndex() const;
QString newClassPlaceHolder() const { return m_newClassPlaceHolder; }
private:
void appendClass(const QString &);
QRegExp m_validator;
const QString m_newClassPlaceHolder;
};
ClassModel::ClassModel(QObject *parent) :
QStandardItemModel(0, 1, parent),
m_validator(QLatin1String("^[a-zA-Z][a-zA-Z0-9_]*$")),
m_newClassPlaceHolder(ClassList::tr("<New class>"))
{
QTC_ASSERT(m_validator.isValid(), return);
appendPlaceHolder();
}
void ClassModel::appendClass(const QString &c)
{
QStandardItem *item = new QStandardItem(c);
item->setFlags(Qt::ItemIsEnabled|Qt::ItemIsEditable);
appendRow(item);
}
bool ClassModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (role == Qt::EditRole && !m_validator.exactMatch(value.toString()))
return false;
return QStandardItemModel::setData(index, value, role);
}
QModelIndex ClassModel::placeHolderIndex() const
{
return index(rowCount() - 1, 0);
}
// --------------- ClassList
ClassList::ClassList(QWidget *parent) :
QListView(parent),
m_model(new ClassModel)
{
setModel(m_model);
connect(itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)), SLOT(classEdited()));
connect(selectionModel(), SIGNAL(currentRowChanged(QModelIndex,QModelIndex)),
this, SLOT(slotCurrentRowChanged(QModelIndex,QModelIndex)));
}
void ClassList::startEditingNewClassItem()
{
// Start editing the 'new class' item.
setFocus();
const QModelIndex index = m_model->placeHolderIndex();
setCurrentIndex(index);
edit(index);
}
QString ClassList::className(int row) const
{
return m_model->item(row, 0)->text();
}
void ClassList::classEdited()
{
const QModelIndex index = currentIndex();
QTC_ASSERT(index.isValid(), return);
const QString name = className(index.row());
if (index == m_model->placeHolderIndex()) {
// Real name class entered.
if (name != m_model->newClassPlaceHolder()) {
emit classAdded(name);
m_model->appendPlaceHolder();
}
} else {
emit classRenamed(index.row(), name);
}
}
void ClassList::removeCurrentClass()
{
const QModelIndex index = currentIndex();
if (!index.isValid() || index == m_model->placeHolderIndex())
return;
if (QMessageBox::question(this,
tr("Confirm Delete"),
tr("Delete class %1 from list?").arg(className(index.row())),
QMessageBox::Ok|QMessageBox::Cancel) != QMessageBox::Ok)
return;
// Delete row and set current on same item.
m_model->removeRows(index.row(), 1);
emit classDeleted(index.row());
setCurrentIndex(m_model->indexFromItem(m_model->item(index.row(), 0)));
}
void ClassList::keyPressEvent(QKeyEvent *event)
{
switch (event->key()) {
case Qt::Key_Delete:
removeCurrentClass();
break;
case Qt::Key_Insert:
startEditingNewClassItem();
break;
default:
QListView::keyPressEvent(event);
break;
}
}
void ClassList::slotCurrentRowChanged(const QModelIndex ¤t, const QModelIndex &)
{
emit currentRowChanged(current.row());
}
} // namespace Internal
} // namespace Qt4ProjectManager
|
