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/***************************************************************************
* Copyright (C) 2009 by Adam Kidder <[email protected]> *
* Copyright (C) 2009 by Peter Penz <[email protected]> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef SEARCHCRITERIONVALUE_H
#define SEARCHCRITERIONVALUE_H
#include <QWidget>
class QComboBox;
class KDateWidget;
class KRatingWidget;
class KLineEdit;
/**
* @brief Helper class for SearchCriterionSelector.
* Represents an input widget for the value of a search criterion.
*/
class SearchCriterionValue : public QWidget
{
Q_OBJECT
public:
SearchCriterionValue(QWidget* parent = 0);
virtual ~SearchCriterionValue();
/**
* Must be overwritten by derived classes and returns
* the string representation of the search criterion value.
*/
virtual QString value() const = 0;
/**
* Initializes the widget on the base of the given value-type.
* It is in the hand of the derived classes to interprete
* the value-type string and create a corresponding value for
* the widget (@see SearchCriterionSelector::Comparator).
* The default implementation is empty.
*/
virtual void initializeValue(const QString& valueType);
signals:
void valueChanged(const QString& value);
};
/** @brief Allows to input a date value as search criterion. */
class DateValue : public SearchCriterionValue
{
Q_OBJECT
public:
DateValue(QWidget* parent = 0);
virtual ~DateValue();
virtual QString value() const;
virtual void initializeValue(const QString& valueType);
private:
KDateWidget* m_dateWidget;
};
/** @brief Allows to input a tag as search criterion. */
class TagValue : public SearchCriterionValue
{
Q_OBJECT
public:
TagValue(QWidget* parent = 0);
virtual ~TagValue();
virtual QString value() const;
protected:
virtual void showEvent(QShowEvent* event);
private:
QComboBox* m_tags;
};
/** @brief Allows to input a file size value as search criterion. */
class SizeValue : public SearchCriterionValue
{
Q_OBJECT
public:
SizeValue(QWidget* parent = 0);
virtual ~SizeValue();
virtual QString value() const;
private:
KLineEdit* m_lineEdit;
QComboBox* m_units;
};
/** @brief Allows to input a rating value as search criterion. */
class RatingValue : public SearchCriterionValue
{
Q_OBJECT
public:
RatingValue(QWidget* parent = 0);
virtual ~RatingValue();
virtual QString value() const;
private:
KRatingWidget* m_ratingWidget;
};
#endif // SEARCHCRITERIONVALUE_H
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