kfilemetainfowidget.h

00001 /* This file is part of the KDE libraries
00002     Copyright (C) 2001,2002 Rolf Magnus <ramagnus@kde.org>
00003 
00004     library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License version 2 as published by the Free Software Foundation.
00007 
00008     This library is distributed in the hope that it will be useful,
00009     but WITHOUT ANY WARRANTY; without even the implied warranty of
00010     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011     Library General Public License for more details.
00012 
00013     You should have received a copy of the GNU Library General Public License
00014     along with this library; see the file COPYING.LIB.  If not, write to
00015     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016     Boston, MA 02110-1301, USA.
00017 
00018  */
00019 
00020 #ifndef __KFILEMETAINFOWIDGET_H__
00021 #define __KFILEMETAINFOWIDGET_H__
00022 
00023 #include <qwidget.h>
00024 #include <qvariant.h>
00025 #include <kfilemetainfo.h>
00026 
00030 class KIO_EXPORT KFileMetaInfoWidget: public QWidget
00031 {
00032     Q_OBJECT
00033 public:
00034     enum Mode
00035     {
00036       ReadOnly  = 1,  
00037       ReadWrite = 0,  
00038       Reserve = 0xff
00039     };
00040   
00041     KFileMetaInfoWidget(KFileMetaInfoItem item, QValidator* val = 0,
00042                         QWidget* parent = 0, const char* name = 0);
00043 
00044     KFileMetaInfoWidget(KFileMetaInfoItem item, Mode mode, QValidator* val = 0,
00045                         QWidget* parent = 0, const char* name = 0);
00046 
00047     virtual ~KFileMetaInfoWidget();
00048 
00049     bool apply()
00050     {
00051         return m_item.isEditable() && m_item.setValue(m_value);
00052     }
00053 
00054     void setValue(const QVariant& value)  { m_value = value;    }
00055     QVariant value()const                      { return m_value;     }
00056     QValidator* validator() const              { return m_validator; }
00057     KFileMetaInfoItem item()const              { return m_item;      }
00058 
00059 signals:
00060     void valueChanged(const QVariant& value);
00061 
00062 protected:
00063     void reparentValidator(QWidget *widget, QValidator *validator);
00064     virtual QWidget* makeWidget();
00065 
00066     QWidget* makeBoolWidget();
00067     QWidget* makeIntWidget();
00068     QWidget* makeDoubleWidget();
00069     QWidget* makeStringWidget();
00070     QWidget* makeDateWidget();
00071     QWidget* makeTimeWidget();
00072     QWidget* makeDateTimeWidget();
00073 
00074 private slots:
00075     void slotChanged(bool value);
00076     void slotChanged(int value);
00077     void slotChanged(double value);
00078     void slotComboChanged(const QString &value);
00079     void slotLineEditChanged(const QString& value);
00080     void slotMultiLineEditChanged();
00081     void slotDateChanged(const QDate& value);
00082     void slotTimeChanged(const QTime& value);
00083     void slotDateTimeChanged(const QDateTime& value);
00084 
00085 private:
00086     void init(KFileMetaInfoItem item, Mode mode);
00087 
00088     QVariant          m_value;  // the value will be saved here until apply() is called
00089     KFileMetaInfoItem m_item;
00090     QWidget*          m_widget;
00091     QValidator*       m_validator;
00092     bool              m_dirty : 1;
00093 };
00094 
00095 #endif
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