combobox_taskmenu.cpp

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 1992-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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****************************************************************************/

#include "combobox_taskmenu.h"
#include "inplace_editor.h"
#include "listwidgeteditor.h"
#include <qdesigner_command_p.h>

#include <QtDesigner/QtDesigner>

#include <QtGui/QAction>
#include <QtGui/QStyle>
#include <QtGui/QStyleOption>

#include <QtCore/QEvent>
#include <QtCore/QVariant>
#include <QtCore/qdebug.h>

using namespace qdesigner_internal;

ComboBoxTaskMenu::ComboBoxTaskMenu(QComboBox *button, QObject *parent)
    : QDesignerTaskMenu(button, parent),
      m_comboBox(button)
{
    m_editItemsAction = new QAction(this);
    m_editItemsAction->setText(tr("Edit Items..."));
    connect(m_editItemsAction, SIGNAL(triggered()), this, SLOT(editItems()));
    m_taskActions.append(m_editItemsAction);

    QAction *sep = new QAction(this);
    sep->setSeparator(true);
    m_taskActions.append(sep);
}

ComboBoxTaskMenu::~ComboBoxTaskMenu()
{
}

QAction *ComboBoxTaskMenu::preferredEditAction() const
{
    return m_editItemsAction;
}

QList<QAction*> ComboBoxTaskMenu::taskActions() const
{
    return m_taskActions + QDesignerTaskMenu::taskActions();
}

void ComboBoxTaskMenu::editItems()
{
    m_formWindow = QDesignerFormWindowInterface::findFormWindow(m_comboBox);
    if (m_formWindow.isNull())
        return;

    Q_ASSERT(m_comboBox != 0);

    ListWidgetEditor dlg(m_formWindow, m_comboBox->window());
    dlg.fillContentsFromComboBox(m_comboBox);
    if (dlg.exec() == QDialog::Accepted) {
        QList<QPair<QString, QIcon> > items;
        for (int i = 0; i < dlg.count(); i++) {
            items.append(qMakePair<QString, QIcon>(dlg.text(i), dlg.icon(i)));
        }
        ChangeListContentsCommand *cmd = new ChangeListContentsCommand(m_formWindow);
        cmd->init(m_comboBox, items);
        cmd->setDescription(tr("Change Combobox Contents"));
        m_formWindow->commandHistory()->push(cmd);
    }
}

ComboBoxTaskMenuFactory::ComboBoxTaskMenuFactory(QExtensionManager *extensionManager)
    : QExtensionFactory(extensionManager)
{
}

QObject *ComboBoxTaskMenuFactory::createExtension(QObject *object, const QString &iid, QObject *parent) const
{
    if (QComboBox *button = qobject_cast<QComboBox*>(object)) {
        if (iid == Q_TYPEID(QDesignerTaskMenuExtension)) {
            return new ComboBoxTaskMenu(button, parent);
        }
    }

    return 0;
}

void ComboBoxTaskMenu::updateSelection()
{
    if (m_editor)
        m_editor->deleteLater();
}