Qt 5.7 | Qt XML | QXmlStream Bookmarks Example | xbelwriter.cpp Example File

Qt 5.7.1 Reference Documentation

# xbelwriter.cpp Example File

streambookmarks/xbelwriter.cpp

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      #include <QtWidgets>

      #include "xbelwriter.h"

      XbelWriter::XbelWriter(QTreeWidget *treeWidget)
          : treeWidget(treeWidget)
      {
          xml.setAutoFormatting(true);
      }

      bool XbelWriter::writeFile(QIODevice *device)
      {
          xml.setDevice(device);

          xml.writeStartDocument();
          xml.writeDTD("<!DOCTYPE xbel>");
          xml.writeStartElement("xbel");
          xml.writeAttribute("version", "1.0");
          for (int i = 0; i < treeWidget->topLevelItemCount(); ++i)
              writeItem(treeWidget->topLevelItem(i));

          xml.writeEndDocument();
          return true;
      }

      void XbelWriter::writeItem(QTreeWidgetItem *item)
      {
          QString tagName = item->data(0, Qt::UserRole).toString();
          if (tagName == "folder") {
              bool folded = !treeWidget->isItemExpanded(item);
              xml.writeStartElement(tagName);
              xml.writeAttribute("folded", folded ? "yes" : "no");
              xml.writeTextElement("title", item->text(0));
              for (int i = 0; i < item->childCount(); ++i)
                  writeItem(item->child(i));
              xml.writeEndElement();
          } else if (tagName == "bookmark") {
              xml.writeStartElement(tagName);
              if (!item->text(1).isEmpty())
                  xml.writeAttribute("href", item->text(1));
              xml.writeTextElement("title", item->text(0));
              xml.writeEndElement();
          } else if (tagName == "separator") {
              xml.writeEmptyElement(tagName);
          }
      }