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/*
searchlinecontroller.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_SEARCHLINECONTROLLER_H
#define GAMMARAY_SEARCHLINECONTROLLER_H
#include "gammaray_ui_export.h"
#include <QAbstractItemModel>
#include <QObject>
#include <QPointer>
QT_BEGIN_NAMESPACE
class QLineEdit;
class QTimer;
class QTreeView;
QT_END_NAMESPACE
namespace GammaRay {
/** Couples a line edit to a QSortFilterProxyModel api-like model for as-you-type filtering.
* The model don't really need to be a QSortFilterProxyModel, it can be a plain QAbstractItemModel
* implementing QSFPM like properties (ie, filterKeyColumn, filterCaseSensitivity etc...).
* If the given proxy is not a QSFPM api-like model, a check is performed recursively in all
* sourceModel until a compatible QSFPM api-like one is found.
*
* If a treeView is provided, then the controller tries to auto expand the tree to reveal
* matching indexes
*/
class GAMMARAY_UI_EXPORT SearchLineController : public QObject
{
Q_OBJECT
public:
/** Establish a connection between @p lineEdit and @p proxyModel. */
explicit SearchLineController(QLineEdit *lineEdit, QAbstractItemModel *proxyModel, QTreeView *treeView = nullptr);
~SearchLineController() override;
private slots:
void activateSearch();
void onSearchFinished(const QString &searchTerm);
private:
void expandRecursively(const QModelIndex &);
QLineEdit *m_lineEdit;
QPointer<QAbstractItemModel> m_filterModel;
QPointer<QTreeView> m_targetTreeView;
QTimer *m_delayedExpandTimer = nullptr;
QVector<QPersistentModelIndex> m_delayedIdxesToExpand;
};
}
#endif // GAMMARAY_SEARCHLINECONTROLLER_H
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