task.h

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** 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.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** 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.
**
** In addition, as a special exception Trolltech gives permission to link
** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
** License Agreement. You must comply with the GNU General Public License
** in all respects for all of the code used other than the applications
** licensed under the Qtopia Personal Use License Agreement. If you modify
** this file, you may extend this exception to your version of the file,
** but you are not obligated to do so. If you do not wish to do so, delete
** this exception statement from your version.
** 
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#ifndef QTOPIAPIM_TASK_H__
#define QTOPIAPIM_TASK_H__

#include <qtopia/stringutil.h>
#include <qtopia/pim/pimrecord.h>

#include <qvaluelist.h>
#include <qdatetime.h>

class PimTaskPrivate;
class TodoAccessPrivate;

class QTOPIAPIM_EXPORT PimTask : public PimRecord
{
    friend class TodoAccessPrivate;
#ifdef QTOPIA_DESKTOP
    friend class TodoList;
#endif

public:
    enum TaskStatus {
	NotStarted = 0,
	InProgress,
	Completed,
	Waiting,
	Deferred
    };
    
    enum TaskFields {
	HasDate = CommonFieldsEnd,
	Description,
	Priority,
	CompletedField,
	PercentCompleted,
	DueDateYear,
	DueDateMonth,
	DueDateDay,
	Status,
	StartedDate,
	CompletedDate,
	Notes,
	
	TaskFieldsEnd = 100
    };
    
    enum PriorityValue { VeryHigh=1, High, Normal, Low, VeryLow };

    PimTask();
    void fromMap( const QMap<int,QString> &);

    virtual ~PimTask();

    static void writeVCalendar( const QString &filename, const QValueList<PimTask> &tasks);
    static void writeVCalendar( const QString &filename, const PimTask &task);
    static QValueList<PimTask> readVCalendar( const QString &filename );

    void setPriority( PriorityValue priority ) { mPriority = priority; }
    PriorityValue priority() const { return mPriority; }

    void setDescription( const QString& description )
    { mDesc = description; }
    QString description() const { return mDesc; }

    void setDueDate( const QDate& date);
    void clearDueDate() { mDue = FALSE; }
    
    const QDate &dueDate() const { return mDueDate; }
    bool hasDueDate() const { return mDue; }
    
    const QDate &startedDate() const { return mStartedDate; }
    void setStartedDate(const QDate &date) { mStartedDate = date; }
    bool hasStartedDate() const;
    
    const QDate &completedDate() const { return mCompletedDate; }
    void setCompletedDate(const QDate &date) { mCompletedDate = date; }
    
    TaskStatus status() const; 
    void setStatus(TaskStatus s);
    
    bool isCompleted() const { return mCompleted; }
    void setCompleted( bool b ) { mCompleted = b; }

    uint percentCompleted() const;
    void setPercentCompleted( uint u );
    
    QString notes() const { return mNotes; }
    void setNotes(const QString &s) { mNotes = s; }

    bool match( const QRegExp &r ) const;

    QString toRichText() const;

    virtual void setFields(const QMap<int,QString> &);
    
    virtual void setField(int,const QString &);
    virtual QString field(int) const;
    virtual QMap<int, QString> fields() const;
    
    static const QMap<int, QCString> &keyToIdentifierMap();
    static const QMap<QCString,int> &identifierToKeyMap();
    static const QMap<int, QString> & trFieldsMap();
    // needed for Qtopia Desktop synchronization
    static const QMap<int,int> &uniquenessMap();

#ifndef QT_NO_DATASTREAM
    friend QTOPIAPIM_EXPORT QDataStream &operator>>( QDataStream &, PimTask & );
    friend QTOPIAPIM_EXPORT QDataStream &operator<<( QDataStream &, const PimTask & );
#endif

//protected:
    //virtual int endFieldMarker() const {return TaskFieldCount; }

private:
    static TaskStatus xmlToStatus(const QString &s);
    static QString statusToXml(TaskStatus);
    static void initMaps();
    // This is here so that TodoList in Qtopia Desktop can re-init the map for an Opie device.
    static void initMaps( bool isOpieDevice );
    
private:
    bool mDue;
    QDate mDueDate;
    bool mCompleted;
    PriorityValue mPriority;
    QString mDesc;
    
    TaskStatus mStatus;
    QDate mStartedDate, mCompletedDate;
    QString mNotes;
    uint mPercentCompleted;
    
    PimTaskPrivate *d;
};


#ifndef QT_NO_DATASTREAM
QTOPIAPIM_EXPORT QDataStream &operator>>( QDataStream &, PimTask & );
QTOPIAPIM_EXPORT QDataStream &operator<<( QDataStream &, const PimTask & );
#endif

#endif