kodaymatrix.h

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/*
  This file is part of KOrganizer.

  Copyright (c) 2001 Eitzenberger Thomas <thomas.eitzenberger@siemens.at>
  Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
  Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>

  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.

  As a special exception, permission is given to link this program
  with any edition of Qt, and distribute the resulting executable,
  without including the source code for Qt in the source distribution.
*/

#ifndef KORG_KODAYMATRIX_H
#define KORG_KODAYMATRIX_H

#include <Akonadi/Calendar/ETMCalendar>

#include <KCalCore/IncidenceBase> //for KCalCore::DateList typedef

#include <QFrame>

class KODayMatrix: public QFrame, public Akonadi::ETMCalendar::CalendarObserver
{
  Q_OBJECT
  public:
    explicit KODayMatrix( QWidget *parent );

    ~KODayMatrix();

    static QPair<QDate,QDate> matrixLimits( const QDate &month );

    void setCalendar( const Akonadi::ETMCalendar::Ptr &  );

    void updateView( const QDate &actdate );

    void updateIncidences();

    const QDate &getDate( int offset ) const;

    QString getHolidayLabel( int offset ) const;

    void addSelectedDaysTo( KCalCore::DateList & );

    void setSelectedDaysFrom( const QDate &start, const QDate &end );

    void clearSelection();

    bool isTodayVisible() const { return mToday >= 0; }

    bool isBeginningOfMonth() const { return mToday <= 8; }
    bool isEndOfMonth() const { return mToday >= 27; }

    void calendarIncidenceAdded( const KCalCore::Incidence::Ptr &incidence );
    void calendarIncidenceChanged( const KCalCore::Incidence::Ptr &incidence );
    void calendarIncidenceDeleted( const KCalCore::Incidence::Ptr &incidence );

    void setHighlightMode( bool highlightEvents,
                           bool highlightTodos,
                           bool highlightJournals );
    void setUpdateNeeded();
  public slots:
    void updateView();

    void recalculateToday();

    void resourcesChanged();

  signals:
    void selected( const KCalCore::DateList &daylist );

    void newEventSignal( const QDate &date );
    void newTodoSignal( const QDate &date );
    void newJournalSignal( const QDate &date );

    void incidenceDropped( const Akonadi::Item &item, const QDate &dt );

    void incidenceDroppedMove( const Akonadi::Item &item, const QDate &dt );

  protected:
    bool event( QEvent *e );

    void paintEvent( QPaintEvent *ev );

    void mousePressEvent( QMouseEvent *e );

    void mouseReleaseEvent( QMouseEvent *e );

    void mouseMoveEvent( QMouseEvent *e );

    void resizeEvent( QResizeEvent * );

    void dragEnterEvent( QDragEnterEvent *e );

    void dragMoveEvent( QDragMoveEvent *e );

    void dragLeaveEvent( QDragLeaveEvent *e );

    void dropEvent( QDropEvent *e );

  private:
    void popupMenu( const QDate &date );

    int getDayIndexFrom( int x, int y ) const;

    QColor getShadedColor( const QColor &color ) const;

    void updateEvents();

    void updateTodos();

    void updateJournals();

    static const int NUMDAYS;

    Akonadi::ETMCalendar::Ptr mCalendar;

    QDate mStartDate;

    QString *mDayLabels;

    QDate *mDays;

    QList<QDate> mEvents;

    QMap<int,QString> mHolidays;

    int mToday;

    int mSelInit;

    static const int NOSELECTION;

    int mSelStart;

    int mSelEnd;

    int mTodayMarginWidth;

    QRect mDaySize;

    bool mPendingChanges;

    bool mHighlightEvents;

    bool mHighlightTodos;

    bool mHighlightJournals;
};

#endif