koagendaview.h

/*
    This file is part of KOrganizer.
 
    Copyright (c) 2000,2001,2003 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 TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
#ifndef KOAGENDAVIEW_H
#define KOAGENDAVIEW_H
 
#include <tqscrollview.h>
#include <tqlabel.h>
 
#include <libkcal/calendar.h>
 
#include "calprinter.h"
#include "calendarview.h"
 
#include "agendaview.h"
 
class TQHBox;
class TQPushButton;
class TQBoxLayout;
 
class KOAgenda;
class KOAgendaItem;
class TimeLabels;
class TDEConfig;
 
namespace KOrg {
  class IncidenceChangerBase;
}
 
class EventIndicator : public TQFrame
{
    TQ_OBJECT
  
  public:
    enum Location { Top, Bottom };
    EventIndicator( Location loc = Top, TQWidget *parent = 0,
                    const char *name = 0 );
    virtual ~EventIndicator();
 
    void changeColumns( int columns );
 
    void enableColumn( int column, bool enable );
 
  protected:
    void drawContents( TQPainter * );
 
  private:
    int mColumns;
    Location mLocation;
    TQPixmap mPixmap;
    TQMemArray<bool> mEnabled;
};
 
class KOAlternateLabel : public TQLabel
{
    TQ_OBJECT
  
  public:
    KOAlternateLabel( const TQString &shortlabel, const TQString &longlabel,
                      const TQString &extensivelabel = TQString(),
                      TQWidget *parent = 0, const char *name = 0 );
    ~KOAlternateLabel();
 
    virtual TQSize minimumSizeHint() const;
 
    enum TextType { Short = 0, Long = 1, Extensive = 2 };
    TextType largestFittingTextType() const;
    void setFixedType( TextType type );
 
  public slots:
    void useShortText();
    void useLongText();
    void useExtensiveText();
    void useDefaultText();
 
  protected:
    virtual void resizeEvent( TQResizeEvent * );
    virtual void squeezeTextToLabel();
    bool mTextTypeFixed;
    TQString mShortText, mLongText, mExtensiveText;
};
 
class KOAgendaView : public KOrg::AgendaView, public KCal::Calendar::Observer
{
    TQ_OBJECT
  
  public:
    KOAgendaView( Calendar *cal,
                  CalendarView *calendarView,
                  TQWidget *parent = 0,
                  const char *name = 0,
                  bool isSideBySide = false );
    virtual ~KOAgendaView();
 
    virtual int maxDatesHint();
 
    virtual int currentDateCount();
 
    virtual Incidence::List selectedIncidences();
 
    virtual DateList selectedIncidenceDates();
 
    virtual bool eventDurationHint(TQDateTime &startDt, TQDateTime &endDt, bool &allDay);
 
    void clearView();
 
    KOrg::CalPrinterBase::PrintType printType();
 
    TQDateTime selectionStart() { return mTimeSpanBegin; }
    TQDateTime selectionEnd() { return mTimeSpanEnd; }
    bool selectedIsAllDay() { return mTimeSpanInAllDay; }
    void deleteSelectedDateTime();
    bool selectedIsSingleCell();
 
    void setTypeAheadReceiver( TQObject * );
 
    KOAgenda* agenda() const { return mAgenda; }
    TQSplitter* splitter() const { return mSplitterAgenda; }
    TQFrame *dayLabels() const { return mDayLabels; }
 
    /* reimplmented from KCal::Calendar::Observer */
    void calendarIncidenceAdded( Incidence *incidence );
    void calendarIncidenceChanged( Incidence *incidence );
    void calendarIncidenceDeleted( Incidence *incidence );
 
  public slots:
    virtual void updateView();
    virtual void updateConfig();
    virtual void showDates( const TQDate &start, const TQDate &end );
    virtual void showIncidences( const Incidence::List &incidenceList, const TQDate &date );
 
    void insertIncidence( Incidence *incidence, const TQDate &curDate );
    void changeIncidenceDisplayAdded( Incidence *incidence );
    void changeIncidenceDisplay( Incidence *incidence, int mode );
 
    void clearSelection();
 
    void startDrag( Incidence * );
 
    void readSettings();
    void readSettings( TDEConfig * );
    void writeSettings( TDEConfig * );
 
    void setContentsPos( int y );
 
    void setExpandedButton( bool expanded );
 
    void finishTypeAhead();
 
    void slotTodoDropped( Todo *, const TQPoint &, bool );
 
    void enableAgendaUpdate( bool enable );
    void setIncidenceChanger( KOrg::IncidenceChangerBase *changer );
 
    void zoomInHorizontally( const TQDate& date=TQDate() );
    void zoomOutHorizontally( const TQDate& date=TQDate() );
 
    void zoomInVertically( );
    void zoomOutVertically( );
 
    void zoomView( const int delta, const TQPoint &pos,
 
    const TQt::Orientation orient=TQt::Horizontal );
 
    void clearTimeSpanSelection();
 
    void resourcesChanged();
 
  signals:
    void toggleExpand();
    void zoomViewHorizontally(const TQDate &, int count );
 
    void timeSpanSelectionChanged();
 
  protected:
    void fillAgenda( const TQDate &startDate );
 
    void fillAgenda();
 
    void connectAgenda( KOAgenda*agenda, TQPopupMenu*popup, KOAgenda* otherAgenda );
 
    void createDayLabels( bool force );
 
    void setHolidayMasks();
 
    void removeIncidence( Incidence * );
    void updateEventIndicators();
 
    void updateTimeBarWidth();
 
    virtual void resizeEvent( TQResizeEvent *resizeEvent );
 
  protected slots:
    void updateEventDates( KOAgendaItem *item );
    void doUpdateItem();
 
    void updateEventIndicatorTop( int newY );
    void updateEventIndicatorBottom( int newY );
 
    void newTimeSpanSelected( const TQPoint &start, const TQPoint &end );
    void newTimeSpanSelectedAllDay( const TQPoint &start, const TQPoint &end );
 
    void updateDayLabelSizes();
 
  private:
    bool filterByResource( Incidence *incidence );
    void displayIncidence( Incidence *incidence );
 
  private:
    // view widgets
    TQFrame *mDayLabels;
    TQHBox *mDayLabelsFrame;
    TQBoxLayout *mLayoutDayLabels;
    TQPtrList<KOAlternateLabel> mDateDayLabels;
    TQFrame *mAllDayFrame;
    KOAgenda *mAllDayAgenda;
    KOAgenda *mAgenda;
    TimeLabels *mTimeLabels;
    TQWidget *mDummyAllDayLeft;
    TQSplitter *mSplitterAgenda;
    TQPushButton *mExpandButton;
 
    DateList mSelectedDates;  // List of dates to be displayed
    DateList mSaveSelectedDates; // Save the list of dates between updateViews
    int mViewType;
 
    KOEventPopupMenu *mAgendaPopup;
    KOEventPopupMenu *mAllDayAgendaPopup;
 
    EventIndicator *mEventIndicatorTop;
    EventIndicator *mEventIndicatorBottom;
 
    TQMemArray<int> mMinY;
    TQMemArray<int> mMaxY;
 
    TQMemArray<bool> mHolidayMask;
 
    TQPixmap mExpandedPixmap;
    TQPixmap mNotExpandedPixmap;
 
    TQDateTime mTimeSpanBegin;
    TQDateTime mTimeSpanEnd;
    bool mTimeSpanInAllDay;
    bool mAllowAgendaUpdate;
 
    Incidence *mUpdateItem;
 
    bool mIsSideBySide;
    bool mPendingChanges;
 
    // the current date is inserted into mSelectedDates in the constructor
    // however whe should only show events when setDates is called, otherwise
    // we see day view with current date for a few milisecs, then we see something else
    // because someone called setDates with the real dates that should be displayed.
    // Other solution would be not initializing mSelectedDates in the ctor, but that requires
    // lots of changes in koagenda.cpp and koagendaview.cpp
    bool mAreDatesInitialized;
};
 
#endif