treeitem.cpp Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Simple Tree Model Example | treeitem.cpp Example File

Qt 5.6.2 Reference Documentation

# treeitem.cpp Example File

itemviews/simpletreemodel/treeitem.cpp

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      /*
          treeitem.cpp

          A container for items of data supplied by the simple tree model.
      */

      #include <QStringList>

      #include "treeitem.h"

      TreeItem::TreeItem(const QList<QVariant> &data, TreeItem *parent)
      {
          m_parentItem = parent;
          m_itemData = data;
      }

      TreeItem::~TreeItem()
      {
          qDeleteAll(m_childItems);
      }

      void TreeItem::appendChild(TreeItem *item)
      {
          m_childItems.append(item);
      }

      TreeItem *TreeItem::child(int row)
      {
          return m_childItems.value(row);
      }

      int TreeItem::childCount() const
      {
          return m_childItems.count();
      }

      int TreeItem::columnCount() const
      {
          return m_itemData.count();
      }

      QVariant TreeItem::data(int column) const
      {
          return m_itemData.value(column);
      }

      TreeItem *TreeItem::parentItem()
      {
          return m_parentItem;
      }

      int TreeItem::row() const
      {
          if (m_parentItem)
              return m_parentItem->m_childItems.indexOf(const_cast<TreeItem*>(this));

          return 0;
      }