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C++ iterator::attributeMap方法代码示例

本文整理汇总了C++中qgsfeaturelist::iterator::attributeMap方法的典型用法代码示例。如果您正苦于以下问题:C++ iterator::attributeMap方法的具体用法?C++ iterator::attributeMap怎么用?C++ iterator::attributeMap使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在qgsfeaturelist::iterator的用法示例。


在下文中一共展示了iterator::attributeMap方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: replaceWithCopyOf

void QgsClipboard::replaceWithCopyOf( const QgsFieldMap& fields, QgsFeatureList& features )
{

  // Replace the QGis clipboard.
  mFeatureClipboard = features;
  QgsDebugMsg( "replaced QGis clipboard." );

  // Replace the system clipboard.

  QStringList textLines;
  QStringList textFields;

  // first do the field names
  textFields += "wkt_geom";
  for ( QgsFieldMap::const_iterator fit = fields.begin(); fit != fields.end(); ++fit )
  {
    textFields += fit->name();
  }
  textLines += textFields.join( "\t" );
  textFields.clear();


  // then the field contents
  for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it )
  {
    QgsAttributeMap attributes = it->attributeMap();


    // TODO: Set up Paste Transformations to specify the order in which fields are added.

    if ( it->geometry() )
      textFields += it->geometry()->exportToWkt();
    else
    {
      QSettings settings;
      textFields += settings.value( "qgis/nullValue", "NULL" ).toString();
    }

    // QgsDebugMsg("about to traverse fields.");
    //
    for ( QgsAttributeMap::iterator it2 = attributes.begin(); it2 != attributes.end(); ++it2 )
    {
      // QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
      textFields += it2->toString();
    }

    textLines += textFields.join( "\t" );
    textFields.clear();
  }

  QString textCopy = textLines.join( "\n" );

  QClipboard *cb = QApplication::clipboard();

  // Copy text into the clipboard

  // With qgis running under Linux, but with a Windows based X
  // server (Xwin32), ::Selection was necessary to get the data into
  // the Windows clipboard (which seems contrary to the Qt
  // docs). With a Linux X server, ::Clipboard was required.
  // The simple solution was to put the text into both clipboards.

  // The ::Selection setText() below one may need placing inside so
  // #ifdef so that it doesn't get compiled under Windows.
  cb->setText( textCopy, QClipboard::Selection );
  cb->setText( textCopy, QClipboard::Clipboard );

  QgsDebugMsg( QString( "replaced system clipboard with: %1." ).arg( textCopy ) );
}
开发者ID:CzendaZdenda,项目名称:qgis,代码行数:69,代码来源:qgsclipboard.cpp


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