File indexing completed on 2024-11-24 03:57:52

 /**
  * SPDX-FileCopyrightText: 2001-2015 Klaralvdalens Datakonsult AB. All rights reserved.
  *
  * This file is part of the KD Chart library.
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "timechartmodel.h"
 
 TimeChartModel::TimeChartModel( QObject* parent )
     : QSortFilterProxyModel( parent )
 {
 }
 
 QPair< QDateTime, QDateTime > TimeChartModel::visibleRange() const
 {
     return range;
 }
 
 void TimeChartModel::setVisibleRange( const QDateTime& start, const QDateTime& end )
 {
     const QPair< QDateTime, QDateTime > r = qMakePair( start, end );
     if ( r == range )
         return;
 
     range = r;
     invalidateFilter();
 }
 
 void TimeChartModel::setVisibleStart( const QDateTime& start )
 {
     setVisibleRange( start, range.second );
 }
 
 void TimeChartModel::setVisibleEnd( const QDateTime& end )
 {
     setVisibleRange( range.first, end );
 }
 
 /*!
  \reimp
  */
 QVariant TimeChartModel::data( const QModelIndex& index, int role ) const
 {
     const QVariant v = QSortFilterProxyModel::data( index, role );
     if ( index.column() % 2 != 0 || role != Qt::DisplayRole )
         return v;
     else
         return QDateTime::fromSecsSinceEpoch( 0 ).secsTo( v.toDateTime() ) / 3600.0;
 }
 
 /*!
  \reimp
  */
 bool TimeChartModel::filterAcceptsRow( int source_row, const QModelIndex& source_parent ) const
 {
     const QModelIndex index = sourceModel()->index( source_row, 0, source_parent );
     const QDateTime date = index.data().toDateTime();
     return ( date >= range.first || range.first.isNull() ) &&
            ( date <= range.second || range.second.isNull() );
 }