bool QgsComposerTableV2::calculateMaxColumnWidths()
{
  mMaxColumnWidthMap.clear();

  //total number of cells (rows + 1 for header)
  int cols = mColumns.count();
  int cells = cols * ( mTableContents.count() + 1 );
  QVector< double > widths( cells );

  //first, go through all the column headers and calculate the sizes
  QgsComposerTableColumns::const_iterator columnIt = mColumns.constBegin();
  int col = 0;
  for ( ; columnIt != mColumns.constEnd(); ++columnIt )
  {
    if (( *columnIt )->width() > 0 )
    {
      //column has manually specified width
      widths[col] = ( *columnIt )->width();
    }
    else if ( mHeaderMode != QgsComposerTableV2::NoHeaders )
    {
      widths[col] = QgsComposerUtils::textWidthMM( mHeaderFont, ( *columnIt )->heading() );
    }
    else
    {
      widths[col] = 0.0;
    }
    col++;
  }

  //next, go through all the table contents and calculate the sizes
  QgsComposerTableContents::const_iterator rowIt = mTableContents.constBegin();
  double currentCellTextWidth;
  int row = 1;
  for ( ; rowIt != mTableContents.constEnd(); ++rowIt )
  {
    QgsComposerTableRow::const_iterator colIt = rowIt->constBegin();
    col = 0;
    for ( ; colIt != rowIt->constEnd(); ++colIt )
    {
      if ( mColumns.at( col )->width() <= 0 )
      {
        //column width set to automatic, so check content size
        QStringList multiLineSplit = ( *colIt ).toString().split( "\n" );
        currentCellTextWidth = 0;
        Q_FOREACH ( QString line, multiLineSplit )
        {
          currentCellTextWidth = qMax( currentCellTextWidth, QgsComposerUtils::textWidthMM( mContentFont, line ) );
        }
        widths[ row * cols + col ] = currentCellTextWidth;
      }
      else
      {
Beispiel #2
0
bool QgsComposerTableV2::calculateMaxColumnWidths()
{
  mMaxColumnWidthMap.clear();

  //first, go through all the column headers and calculate the max width values
  QgsComposerTableColumns::const_iterator columnIt = mColumns.constBegin();
  int col = 0;
  for ( ; columnIt != mColumns.constEnd(); ++columnIt )
  {
    double width = 0;
    if (( *columnIt )->width() > 0 )
    {
      //column has manually specified width
      width = ( *columnIt )->width();
    }
    else if ( mHeaderMode != QgsComposerTableV2::NoHeaders )
    {
      width = QgsComposerUtils::textWidthMM( mHeaderFont, ( *columnIt )->heading() );
    }

    mMaxColumnWidthMap.insert( col, width );
    col++;
  }

  //next, go through all the table contents and calculate the max width values
  QgsComposerTableContents::const_iterator rowIt = mTableContents.constBegin();
  double currentCellTextWidth;
  for ( ; rowIt != mTableContents.constEnd(); ++rowIt )
  {
    QgsComposerTableRow::const_iterator colIt = rowIt->constBegin();
    int columnNumber = 0;
    for ( ; colIt != rowIt->constEnd(); ++colIt )
    {
      if ( mColumns.at( columnNumber )->width() <= 0 )
      {
        //column width set to automatic, so check content size
        currentCellTextWidth = QgsComposerUtils::textWidthMM( mContentFont, ( *colIt ).toString() );
        mMaxColumnWidthMap[ columnNumber ] = qMax( currentCellTextWidth, mMaxColumnWidthMap[ columnNumber ] );
      }
      columnNumber++;
    }
  }

  return true;
}