/****************************************************************************
**
** 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
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** 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.
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****************************************************************************/

#ifndef LOCATORWIDGET_H
#define LOCATORWIDGET_H

#include "locatorplugin.h"

#include <QWidget>

QT_BEGIN_NAMESPACE
class QAction;
class QLabel;
class QLineEdit;
class QMenu;
class QTreeView;
QT_END_NAMESPACE

namespace Utils {
    class FilterLineEdit;
}

namespace Locator {
namespace Internal {

class LocatorModel;
class CompletionList;

class LocatorWidget
  : public QWidget
{
    Q_OBJECT

public:
    explicit LocatorWidget(LocatorPlugin *qop);

    void updateFilterList();

    void show(const QString &text, int selectionStart = -1, int selectionLength = 0);

    void setPlaceholderText(const QString &text);

private slots:
    void showPopup();
    void showPopupNow();
    void acceptCurrentEntry();
    void filterSelected();
    void showConfigureDialog();
    void updateEntries();
    void scheduleAcceptCurrentEntry();
    void setFocusToCurrentMode();

private:
    bool eventFilter(QObject *obj, QEvent *event);

    void showEvent(QShowEvent *e);

    void showCompletionList();
    void updateCompletionList(const QString &text);
    QList<ILocatorFilter*> filtersFor(const QString &text, QString &searchText);

    LocatorPlugin *m_locatorPlugin;
    LocatorModel *m_locatorModel;

    CompletionList *m_completionList;
    QMenu *m_filterMenu;
    QAction *m_refreshAction;
    QAction *m_configureAction;
    Utils::FilterLineEdit *m_fileLineEdit;
    QTimer *m_showPopupTimer;
    QFutureWatcher<FilterEntry> *m_entriesWatcher;
    QMap<QString, QAction *> m_filterActionMap;
    bool m_updateRequested;
    bool m_acceptRequested;
    bool m_possibleToolTipRequest;
};

} // namespace Internal
} // namespace Locator

#endif // LOCATORWIDGET_H