summaryrefslogtreecommitdiffstats
path: root/tools/designer/src/lib/shared/scriptdialog.cpp
blob: e2c1c7460a0064f4b5dac538517750035c5f1202 (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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "scriptdialog_p.h"
#include "qscripthighlighter_p.h"

#include <abstractdialoggui_p.h>

#include <QtGui/QTextEdit>
#include <QtGui/QVBoxLayout>
#include <QtGui/QHBoxLayout>
#include <QtGui/QDialogButtonBox>
#include <QtGui/QMessageBox>
#ifdef QT_SCRIPT_LIB
#include <QtScript/QScriptEngine>
#endif

QT_BEGIN_NAMESPACE

namespace qdesigner_internal {

    // ScriptDialog
    ScriptDialog::ScriptDialog(QDesignerDialogGuiInterface *m_dialogGui, QWidget *parent) :
        QDialog(parent),
        m_dialogGui(m_dialogGui),
        m_textEdit(new QTextEdit)
    {
        setWindowTitle(tr("Edit script"));
        setModal(true);

        QVBoxLayout *vboxLayout = new QVBoxLayout(this);

        const QString textHelp = tr("\
<html>Enter a Qt Script snippet to be executed while loading the form.<br>\
The widget and its children are accessible via the \
variables <i>widget</i> and <i>childWidgets</i>, respectively.");
        m_textEdit->setToolTip(textHelp);
        m_textEdit->setWhatsThis(textHelp);
        m_textEdit->setMinimumSize(QSize(600, 400));
        vboxLayout->addWidget(m_textEdit);
        new QScriptHighlighter(m_textEdit->document());
        // button box
        QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel);
        connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject()));
        connect(buttonBox , SIGNAL(accepted()), this, SLOT(slotAccept()));
        vboxLayout->addWidget(buttonBox);
    }

    bool ScriptDialog::editScript(QString &script)
    {
        m_textEdit->setText(script);
        if (exec() != Accepted)
            return false;

        script = trimmedScript();
        return true;
    }

    void ScriptDialog::slotAccept()
    {
        if (checkScript())
            accept();
    }

    QString ScriptDialog::trimmedScript() const
    {
        // Ensure a single newline
        QString rc = m_textEdit->toPlainText().trimmed();
        if (!rc.isEmpty())
            rc += QLatin1Char('\n');
        return rc;
    }

    bool ScriptDialog::checkScript()
    {
        const QString script = trimmedScript();
        if (script.isEmpty())
            return true;
#ifdef QT_SCRIPT_LIB
        QScriptEngine scriptEngine;
        if (scriptEngine.canEvaluate(script))
            return true;
        m_dialogGui->message(this, QDesignerDialogGuiInterface::ScriptDialogMessage, QMessageBox::Warning,
                             windowTitle(), tr("Syntax error"), QMessageBox::Ok);
        return  false;
#else
        return true;
#endif
    }
} // namespace qdesigner_internal

QT_END_NAMESPACE