예제 #1
0
bool KXMLGUIClient::mergeXML( QDomElement &base, const QDomElement &additive, KActionCollection *actionCollection )
{
  static const QString &tagAction = KGlobal::staticQString( "Action" );
  static const QString &tagMerge = KGlobal::staticQString( "Merge" );
  static const QString &tagSeparator = KGlobal::staticQString( "Separator" );
  static const QString &attrName = KGlobal::staticQString( "name" );
  static const QString &attrAppend = KGlobal::staticQString( "append" );
  static const QString &attrWeakSeparator = KGlobal::staticQString( "weakSeparator" );
  static const QString &tagMergeLocal = KGlobal::staticQString( "MergeLocal" );
  static const QString &tagText = KGlobal::staticQString( "text" );
  static const QString &attrAlreadyVisited = KGlobal::staticQString( "alreadyVisited" );
  static const QString &attrNoMerge = KGlobal::staticQString( "noMerge" );
  static const QString &attrOne = KGlobal::staticQString( "1" );

  // there is a possibility that we don't want to merge in the
  // additive.. rather, we might want to *replace* the base with the
  // additive.  this can be for any container.. either at a file wide
  // level or a simple container level.  we look for the 'noMerge'
  // tag, in any event and just replace the old with the new
  if ( additive.attribute(attrNoMerge) == attrOne ) // ### use toInt() instead? (Simon)
  {
    base.parentNode().replaceChild(additive, base);
    return true;
  }

  QString tag;

  // iterate over all elements in the container (of the global DOM tree)
  QDomNode n = base.firstChild();
  while ( !n.isNull() )
  {
    QDomElement e = n.toElement();
    n = n.nextSibling(); // Advance now so that we can safely delete e
    if (e.isNull())
       continue;

    tag = e.tagName();

    // if there's an action tag in the global tree and the action is
    // not implemented, then we remove the element
    if ( tag == tagAction )
    {
      QCString name =  e.attribute( attrName ).utf8(); // WABA
      if ( !actionCollection->action( name ) ||
           (kapp && !kapp->authorizeKAction(name)))
      {
        // remove this child as we aren't using it
        base.removeChild( e );
        continue;
      }
    }

    // if there's a separator defined in the global tree, then add an
    // attribute, specifying that this is a "weak" separator
    else if ( tag == tagSeparator )
    {
      e.setAttribute( attrWeakSeparator, (uint)1 );

      // okay, hack time. if the last item was a weak separator OR
      // this is the first item in a container, then we nuke the
      // current one
      QDomElement prev = e.previousSibling().toElement();
      if ( prev.isNull() ||
	 ( prev.tagName() == tagSeparator && !prev.attribute( attrWeakSeparator ).isNull() ) ||
	 ( prev.tagName() == tagText ) )
      {
        // the previous element was a weak separator or didn't exist
        base.removeChild( e );
        continue;
      }
    }

    // the MergeLocal tag lets us specify where non-standard elements
    // of the local tree shall be merged in.  After inserting the
    // elements we delete this element
    else if ( tag == tagMergeLocal )
    {
      QDomNode it = additive.firstChild();
      while ( !it.isNull() )
      {
        QDomElement newChild = it.toElement();
        it = it.nextSibling();
        if (newChild.isNull() )
          continue;

        if ( newChild.tagName() == tagText )
          continue;

        if ( newChild.attribute( attrAlreadyVisited ) == attrOne )
          continue;

        QString itAppend( newChild.attribute( attrAppend ) );
        QString elemName( e.attribute( attrName ) );

        if ( ( itAppend.isNull() && elemName.isEmpty() ) ||
             ( itAppend == elemName ) )
        {
          // first, see if this new element matches a standard one in
          // the global file.  if it does, then we skip it as it will
          // be merged in, later
          QDomElement matchingElement = findMatchingElement( newChild, base );
          if ( matchingElement.isNull() || newChild.tagName() == tagSeparator )
            base.insertBefore( newChild, e );
        }
      }

      base.removeChild( e );
      continue;
    }

    // in this last case we check for a separator tag and, if not, we
    // can be sure that its a container --> proceed with child nodes
    // recursively and delete the just proceeded container item in
    // case its empty (if the recursive call returns true)
    else if ( tag != tagMerge )
    {
      // handle the text tag
      if ( tag == tagText )
        continue;

      QDomElement matchingElement = findMatchingElement( e, additive );

      if ( !matchingElement.isNull() )
      {
        matchingElement.setAttribute( attrAlreadyVisited, (uint)1 );

        if ( mergeXML( e, matchingElement, actionCollection ) )
        {
          base.removeChild( e );
          continue;
        }

        // Merge attributes
        const QDomNamedNodeMap attribs = matchingElement.attributes();
        const uint attribcount = attribs.count();

        for(uint i = 0; i < attribcount; ++i)
        {
          const QDomNode node = attribs.item(i);
          e.setAttribute(node.nodeName(), node.nodeValue());
        }

        continue;
      }
      else
      {
        // this is an important case here! We reach this point if the
        // "local" tree does not contain a container definition for
        // this container. However we have to call mergeXML recursively
        // and make it check if there are actions implemented for this
        // container. *If* none, then we can remove this container now
        if ( mergeXML( e, QDomElement(), actionCollection ) )
          base.removeChild( e );
        continue;
      }
    }
  }

  //here we append all child elements which were not inserted
  //previously via the LocalMerge tag
  n = additive.firstChild();
  while ( !n.isNull() )
  {
    QDomElement e = n.toElement();
    n = n.nextSibling(); // Advance now so that we can safely delete e
    if (e.isNull())
       continue;

    QDomElement matchingElement = findMatchingElement( e, base );

    if ( matchingElement.isNull() )
    {
      base.appendChild( e );
    }
  }

  // do one quick check to make sure that the last element was not
  // a weak separator
  QDomElement last = base.lastChild().toElement();
  if ( (last.tagName() == tagSeparator) && (!last.attribute( attrWeakSeparator ).isNull()) )
  {
    base.removeChild( last );
  }

  // now we check if we are empty (in which case we return "true", to
  // indicate the caller that it can delete "us" (the base element
  // argument of "this" call)
  bool deleteMe = true;

  n = base.firstChild();
  while ( !n.isNull() )
  {
    QDomElement e = n.toElement();
    n = n.nextSibling(); // Advance now so that we can safely delete e
    if (e.isNull())
       continue;

    tag = e.tagName();

    if ( tag == tagAction )
    {
      // if base contains an implemented action, then we must not get
      // deleted (note that the actionCollection contains both,
      // "global" and "local" actions
      if ( actionCollection->action( e.attribute( attrName ).utf8() ) )
      {
        deleteMe = false;
        break;
      }
    }
    else if ( tag == tagSeparator )
    {
      // if we have a separator which has *not* the weak attribute
      // set, then it must be owned by the "local" tree in which case
      // we must not get deleted either
      QString weakAttr = e.attribute( attrWeakSeparator );
      if ( weakAttr.isEmpty() || weakAttr.toInt() != 1 )
      {
        deleteMe = false;
        break;
      }
    }

    // in case of a merge tag we have unlimited lives, too ;-)
    else if ( tag == tagMerge )
    {
//      deleteMe = false;
//      break;
        continue;
    }

    // a text tag is NOT enough to spare this container
    else if ( tag == tagText )
    {
      continue;
    }

    // what's left are non-empty containers! *don't* delete us in this
    // case (at this position we can be *sure* that the container is
    // *not* empty, as the recursive call for it was in the first loop
    // which deleted the element in case the call returned "true"
    else
    {
      deleteMe = false;
      break;
    }
  }

  return deleteMe;
}
예제 #2
0
QDomElement OOoReportBuilder::processDetail(const QDomElement &rowDetail)
{
    QDomElement lastElement = rowDetail;

    if (rowDetail.isNull() || reportBand(rowDetail) != Detail)
        return QDomElement();

    QString textCell = cellText(rowDetail.firstChild().toElement());
    textCell.remove(QRegExp("\\{|\\}|detail"));
    int modelId = textCell.toInt() - 1;

    if (modelId < m_models.count() - 1) {
        rowDetail.parentNode().removeChild(rowDetail);
        return lastElement.previousSibling().toElement();
    }

    QAbstractItemModel *model = m_models.at(modelId);

    for (int i = 0; i < model->rowCount(); i++) {
        QDomElement tmpRow = rowDetail.cloneNode(true).toElement();

        QDomElement cell = tmpRow.firstChild().toElement();
        cell = cell.nextSibling().toElement();

        while (!cell.isNull()) {
            QString str = cellText(cell);

            if (!str.isEmpty()) {
                str.remove(QRegExp("\\{|\\}"));

                if (!QString::compare(str,"rowno",Qt::CaseInsensitive)) {
                    setText(cell,QString::number(i));
                } else if (str[0] == 'P') {

                    QVariant var = processParams(str.mid(2));
                    if (var.type() == QVariant::Double) {
                        setText(cell,var.toDouble());
                    } else {
                        setText(cell,var.toString());
                    }
                } else {
                    QRegExp rx("col\\d{1,2}");

                    if (rx.indexIn(str) == 0) {
                        int colNo = str.remove(QRegExp("col")).toInt();
                        QVariant var = model->data(model->index(i,colNo));
                        if (colNo <= model->columnCount() - 1) {
                            if (var.type() == QVariant::Double) {
                                setText(cell, var.toDouble());
                            } else
                                setText(cell, var.toString());
                        } else
                            setText(cell,"Err");
                    } else
                        setText(cell,str);
                }
            }

            if (cell.attributes().contains("table:formula")) {
                QString formula = processFormula(cell.attribute("table:formula"), i);
                cell.setAttribute("table:formula",formula);
            }

            cell = cell.nextSibling().toElement();
        }

        lastElement = rowDetail.parentNode().insertBefore(tmpRow,rowDetail).toElement();
    }

    rowDetail.parentNode().removeChild(rowDetail);
    return lastElement;
}