File indexing completed on 2024-05-26 04:24:16

 /**
  * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
  *
  * This file is part of the KGantt library.
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include <QApplication>
 #include <QStandardItemModel>
 #include <QPainter>
 #include <QHeaderView>
 #include <QTreeView>
 
 #include <KGanttView>
 #include <KGanttDateTimeGrid>
 
 using namespace KGantt;
 
 /* A custom formatter that displays tabs for every 10 minutes.
  */
 class MyDateTimeScaleFormatter : public DateTimeScaleFormatter {
 public:
     MyDateTimeScaleFormatter();
 
     /*reimp*/QDateTime nextRangeBegin( const QDateTime& datetime ) const override;
     /*reimp*/QDateTime currentRangeBegin( const QDateTime& datetime ) const override;
 
     /*reimp*/QString text( const QDateTime& dt ) const override;
 };
 
 MyDateTimeScaleFormatter::MyDateTimeScaleFormatter()
     : DateTimeScaleFormatter( Hour, "hh" )
 {
 }
 
 QDateTime MyDateTimeScaleFormatter::nextRangeBegin( const QDateTime& datetime ) const
 {
     return currentRangeBegin( datetime ).addSecs( 60*10 );
 }
 
 QDateTime MyDateTimeScaleFormatter::currentRangeBegin( const QDateTime& datetime ) const
 {
     QDateTime dt( datetime );
     dt.setTime( QTime( dt.time().hour(), ( dt.time().minute()/10 ) * 10, 0, 0 ) );
     return dt;
 }
 
 QString MyDateTimeScaleFormatter::text( const QDateTime& dt ) const
 {
     return QObject::tr( ":%1\nXX" ).arg( dt.time().toString( "mm" ) );
 }
 
 /* A custom headerview that is taller than standard
  * so we can fit more lines into it on the graphicsview
  * side.
  */
 class MyHeaderView : public QHeaderView {
 public:
     explicit MyHeaderView( QWidget* parent = nullptr )
         : QHeaderView( Qt::Horizontal, parent ) {
     }
 
     /*reimp*/QSize sizeHint() const override {
         QSize s = QHeaderView::sizeHint(); s.rheight() *= 3; return s;
     }
 };
 
 int main( int argc, char** argv ) {
     QApplication app( argc, argv );
 
     QStandardItemModel model( 1, 1 );
     model.setHeaderData( 0, Qt::Horizontal, QObject::tr( "Task" ) );
 
     /*** A view with some alternative header labels ***/
     View view1;
     DateTimeGrid grid1;
     grid1.setUserDefinedUpperScale( new DateTimeScaleFormatter( DateTimeScaleFormatter::Year,
                                                                 QString::fromLatin1( "yyyy" ),
                                                                 QString::fromLatin1( "In the year %1." ),
                                                                 Qt::AlignLeft ) );
     grid1.setUserDefinedLowerScale( new DateTimeScaleFormatter( DateTimeScaleFormatter::Month,
                                                                 QString::fromLatin1( "MMMM" ),
                                                                 QString::fromLatin1( "In the month %1." ),
                                                                 Qt::AlignRight ) );
     grid1.setScale( DateTimeGrid::ScaleUserDefined );
     grid1.setDayWidth( 6. );
     view1.setGrid( &grid1 );
     view1.setModel( &model );
     view1.show();
 
     /*** A view with header and vertical grid lines for every 10 minutes */
     View view2;
     QTreeView* tw = qobject_cast<QTreeView*>( view2.leftView() );
     if ( tw ) tw->setHeader( new MyHeaderView );
     DateTimeGrid grid2;
     grid2.setDayWidth( 5000 );
     grid2.setUserDefinedUpperScale( new DateTimeScaleFormatter( DateTimeScaleFormatter::Hour, QString::fromLatin1( "hh" ) ) );
     grid2.setUserDefinedLowerScale( new MyDateTimeScaleFormatter );
     grid2.setScale( DateTimeGrid::ScaleUserDefined );
     view2.setGrid( &grid2 );
     view2.setModel( &model );
     view2.show();
 
     return app.exec();
 }