Example #1
0
void QgsComposerMultiFrame::recalculateFrameSizes()
{
  if ( mFrameItems.empty() )
  {
    return;
  }

  QSizeF size = totalSize();
  double totalHeight = size.height();

  if ( totalHeight < 1 )
  {
    return;
  }

  double currentY = 0;
  double currentHeight = 0;
  QgsComposerFrame *currentItem = nullptr;

  for ( int i = 0; i < mFrameItems.size(); ++i )
  {
    if ( mResizeMode != RepeatOnEveryPage && currentY >= totalHeight )
    {
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == ExtendToNextPage ) //remove unneeded frames in extent mode
      {
        bool removingPages = true;
        for ( int j = mFrameItems.size(); j > i; --j )
        {
          int numPagesBefore = mComposition->numPages();
          removeFrame( j - 1, removingPages );
          //if removing the frame didn't also remove the page, then stop removing pages
          removingPages = removingPages && ( mComposition->numPages() < numPagesBefore );
        }
        return;
      }
    }

    currentItem = mFrameItems.value( i );
    currentHeight = currentItem->rect().height();
    if ( mResizeMode == RepeatOnEveryPage )
    {
      currentItem->setContentSection( QRectF( 0, 0, currentItem->rect().width(), currentHeight ) );
    }
    else
    {
      currentHeight = findNearbyPageBreak( currentY + currentHeight ) - currentY;
      currentItem->setContentSection( QRectF( 0, currentY, currentItem->rect().width(), currentHeight ) );
    }
    currentItem->update();
    currentY += currentHeight;
  }

  //at end of frames but there is  still content left. Add other pages if ResizeMode ==
  if ( mResizeMode != UseExistingFrames )
  {
    while ( ( mResizeMode == RepeatOnEveryPage ) || currentY < totalHeight )
    {
      //find out on which page the lower left point of the last frame is
      int page = std::floor( ( currentItem->pos().y() + currentItem->rect().height() ) / ( mComposition->paperHeight() + mComposition->spaceBetweenPages() ) ) + 1;

      if ( mResizeMode == RepeatOnEveryPage )
      {
        if ( page >= mComposition->numPages() )
        {
          break;
        }
      }
      else
      {
        //add an extra page if required
        if ( mComposition->numPages() < ( page + 1 ) )
        {
          mComposition->setNumPages( page + 1 );
        }
      }

      double frameHeight = 0;
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == RepeatOnEveryPage )
      {
        frameHeight = currentItem->rect().height();
      }
      else //mResizeMode == ExtendToNextPage
      {
        frameHeight = ( currentY + mComposition->paperHeight() ) > totalHeight ?  totalHeight - currentY : mComposition->paperHeight();
      }

      double newFrameY = page * ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == RepeatOnEveryPage )
      {
        newFrameY += currentItem->pos().y() - ( page - 1 ) * ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );
      }

      //create new frame
      QgsComposerFrame *newFrame = createNewFrame( currentItem,
                                   QPointF( currentItem->pos().x(), newFrameY ),
                                   QSizeF( currentItem->rect().width(), frameHeight ) );

      if ( mResizeMode == RepeatOnEveryPage )
      {
        newFrame->setContentSection( QRectF( 0, 0, newFrame->rect().width(), newFrame->rect().height() ) );
        currentY += frameHeight;
      }
      else
      {
        double contentHeight = findNearbyPageBreak( currentY + newFrame->rect().height() ) - currentY;
        newFrame->setContentSection( QRectF( 0, currentY, newFrame->rect().width(), contentHeight ) );
        currentY += contentHeight;
      }

      currentItem = newFrame;
    }
  }
}
void QgsComposerMultiFrame::recalculateFrameSizes()
{
  if ( mFrameItems.size() < 1 )
  {
    return;
  }

  QSizeF size = totalSize();
  double totalHeight = size.height();

  if ( totalHeight < 1 )
  {
    return;
  }

  double currentY = 0;
  double currentHeight = 0;
  QgsComposerFrame* currentItem = 0;

  for ( int i = 0; i < mFrameItems.size(); ++i )
  {
    if ( currentY >= totalHeight )
    {
      if ( mResizeMode == ExtendToNextPage ) //remove unneeded frames in extent mode
      {
        for ( int j = mFrameItems.size(); j > i; --j )
        {
          removeFrame( j - 1 );
        }
      }
      return;
    }

    currentItem = mFrameItems.value( i );
    currentHeight = currentItem->rect().height();
    currentItem->setContentSection( QRectF( 0, currentY, currentItem->rect().width(), currentHeight ) );
    currentItem->update();
    currentY += currentHeight;
  }

  //at end of frames but there is  still content left. Add other pages if ResizeMode ==
  if ( mResizeMode == ExtendToNextPage )
  {
    while ( currentY < totalHeight )
    {
      //find out on which page the lower left point of the last frame is
      int page = currentItem->transform().dy() / ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );

      //add new pages if necessary
      if ( mComposition->numPages() < ( page + 2 ) )
      {
        mComposition->setNumPages( page + 2 );
      }

      //copy last frame
      QgsComposerFrame* newFrame = new QgsComposerFrame( mComposition, this, currentItem->transform().dx(), currentItem->transform().dy() + mComposition->paperHeight() + mComposition->spaceBetweenPages(),
          currentItem->rect().width(), currentItem->rect().height() );
      newFrame->setContentSection( QRectF( 0, currentY, newFrame->rect().width(), newFrame->rect().height() ) );
      currentY += newFrame->rect().height();
      currentItem = newFrame;
      addFrame( newFrame, false );
    }
  }
}
void QgsComposerMultiFrame::recalculateFrameSizes()
{
  if ( mFrameItems.size() < 1 )
  {
    return;
  }

  QSizeF size = totalSize();
  double totalHeight = size.height();

  if ( totalHeight < 1 )
  {
    return;
  }

  double currentY = 0;
  double currentHeight = 0;
  QgsComposerFrame* currentItem = 0;

  for ( int i = 0; i < mFrameItems.size(); ++i )
  {
    if ( mResizeMode != RepeatOnEveryPage && currentY >= totalHeight )
    {
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == ExtendToNextPage ) //remove unneeded frames in extent mode
      {
        for ( int j = mFrameItems.size(); j > i; --j )
        {
          removeFrame( j - 1 );
        }
      }
      return;
    }

    currentItem = mFrameItems.value( i );
    currentHeight = currentItem->rect().height();
    if ( mResizeMode == RepeatOnEveryPage )
    {
      currentItem->setContentSection( QRectF( 0, 0, currentItem->rect().width(), currentHeight ) );
    }
    else
    {
      currentItem->setContentSection( QRectF( 0, currentY, currentItem->rect().width(), currentHeight ) );
    }
    currentItem->update();
    currentY += currentHeight;
  }

  //at end of frames but there is  still content left. Add other pages if ResizeMode ==
  if ( mResizeMode != UseExistingFrames )
  {
    while (( mResizeMode == RepeatOnEveryPage ) || currentY < totalHeight )
    {
      //find out on which page the lower left point of the last frame is
      int page = currentItem->pos().y() / ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );
      if ( mResizeMode == RepeatOnEveryPage )
      {
        if ( page > mComposition->numPages() - 2 )
        {
          break;
        }
      }
      else
      {
        if ( mComposition->numPages() < ( page + 2 ) )
        {
          mComposition->setNumPages( page + 2 );
        }
      }

      double frameHeight = 0;
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == RepeatOnEveryPage )
      {
        frameHeight = currentItem->rect().height();
      }
      else //mResizeMode == ExtendToNextPage
      {
        frameHeight = ( currentY + mComposition->paperHeight() ) > totalHeight ?  totalHeight - currentY : mComposition->paperHeight();
      }

      double newFrameY = ( page + 1 ) * ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );
      if ( mResizeMode == RepeatUntilFinished || mResizeMode == RepeatOnEveryPage )
      {
        newFrameY += currentItem->pos().y() - page * ( mComposition->paperHeight() + mComposition->spaceBetweenPages() );
      }
      QgsComposerFrame* newFrame = new QgsComposerFrame( mComposition, this, currentItem->pos().x(),
          newFrameY,
          currentItem->rect().width(), frameHeight );
      if ( mResizeMode == RepeatOnEveryPage )
      {
        newFrame->setContentSection( QRectF( 0, 0, newFrame->rect().width(), newFrame->rect().height() ) );
      }
      else
      {
        newFrame->setContentSection( QRectF( 0, currentY, newFrame->rect().width(), newFrame->rect().height() ) );
      }
      currentY += frameHeight;
      currentItem = newFrame;
      addFrame( newFrame, false );
    }
  }
}