void
ConfigDocumentXML::contextMenu(QPopupMenu& _menu)
{
  menuAddSection_ = new QPopupMenu(&_menu);

  _menu.insertItem("Add Section", menuAddSection_);

  Miro::CFG::QStringVector childSections;
  QListViewItem * item = listViewItem()->firstChild();
  while (item != NULL) {
    childSections.push_back(item->text(0));
    item = item->nextSibling();
  }

  // submenu: add all section names
  // not yet available in the document
  Miro::CFG::QStringVector sections =
    ConfigFile::instance()->description().groups();
  Miro::CFG::QStringVector::const_iterator first, last = sections.end();
  for (first = sections.begin(); first != last; ++first) {

    // if this section already exists, don't add it
    Miro::CFG::QStringVector::const_iterator i = 
      std::find(childSections.begin(), childSections.end(), *first);
    if (i != childSections.end())
      continue;

    // count the final parameter classes in the section
    int itemCount = 0;
    Miro::CFG::GroupMap::const_iterator f, l;
    ConfigFile::instance()->description().getGroupedTypes(*first, f, l);
    for (; f != l; ++f) {
      if (f->second.isFinal()) {
	++itemCount;
      }
    }

    // if this section is empty, don't add it
    if (itemCount == 0)
      continue;

    menuAddSection_->insertItem(*first);
  }
  connect(menuAddSection_, SIGNAL(activated(int)),
	  this, SLOT(onAddSection(int)));
}
示例#2
0
void
ConfigDocumentXML::contextMenu(QMenu& _menu)
{
  // The context menu has one QAction, "Add Section"
  // The "Add Section" menu is a submenu of the menu passed as argument.
  // Its signal is invoked when it is activated, not triggered.
  menuAddSection_ = _menu.addMenu(tr("Add Section"));

  // Construct a list of all siblings of the QTreeWidgetItem
  Miro::CFG::QStringVector childSections;
  // Fetch the QTreeWidgetItem
  QTreeWidgetItem * const pTreeWidgetItem = treeWidgetItem();
  assert(pTreeWidgetItem != NULL);
  // For each child of the QTreeWidgetItem
  for (int i = 0; i < pTreeWidgetItem->childCount(); ++i)
  {
      // Fetch the ith sibling
      const QTreeWidgetItem * const pChildTreeWidgetItem =
	pTreeWidgetItem->child(i);
      assert(pChildTreeWidgetItem != NULL);
      // Fetch the sibling's label text
      const QString text = pChildTreeWidgetItem->text(0);
      // Append the label text to the QStringVector
      childSections.push_back(text);
  }
  // The QStringVector should have as many elements as the parent has children
  assert(static_cast<size_t>(pTreeWidgetItem->childCount()) == 
	 static_cast<size_t>(childSections.size()));


  // submenu: add all section names not yet available in the document
  Miro::CFG::QStringVector sections =
    ConfigFile::instance()->description().groups();

  Miro::CFG::QStringVector::const_iterator first, last = sections.end();
  for (first = sections.begin(); first != last; ++first) {

    // if this section already exists, don't add it
    Miro::CFG::QStringVector::const_iterator i = 
      std::find(childSections.begin(), childSections.end(), *first);
    if (i != childSections.end())
      continue;

    // count the final parameter classes in the section
    int itemCount = 0;
    Miro::CFG::GroupMap::const_iterator f, l;
    ConfigFile::instance()->description().getGroupedTypes(*first, f, l);
    for (; f != l; ++f) {
      if (f->second.isFinal()) {
	++itemCount;
      }
    }

    // if this section is empty, don't add it
    if (itemCount == 0)
      continue;

    // The name of the Action
    const QString name = *first;
    // From "http://qt-project.org/doc/qt4-8/qaction.html":
    // "We recommend that actions are created as children of the window they
    // are used in. In most cases, actions will be children of the application's
    // main window."
    // This class doesn't have a handle to any window.
    QWidget * const pActionParent = NULL;
    QAction * const pAction = new QAction(name, pActionParent);
    connect(pAction, SIGNAL(activated(int)), this, SLOT(onAddSection(int)));
    // Add the Action to the Menu
    menuAddSection_->addAction(pAction);
  }
}