C++ Q3PtrDict类代码示例

void UmlBaseCollaborationDiagramDefinition::read_()
{
    Q3PtrDict<UmlClassInstanceReference> instances;
    unsigned n;
    unsigned rank;

    n = UmlCom::read_unsigned();
    _instances.resize(n);

    for (rank = 0; rank != n; rank += 1) {
        UmlClassInstanceReference * i = new UmlClassInstanceReference();

        _instances.insert(rank, i);
        instances.insert((void *) UmlCom::read_unsigned(), i);
        i->read_();
    }

    _instances.setAutoDelete(TRUE);

    n = UmlCom::read_unsigned();
    _messages.resize(n);

    for (rank = 0; rank != n; rank += 1) {
        UmlCollaborationMessage * m = new UmlCollaborationMessage();

        _messages.insert(rank, m);
        m->read_(instances);
    }

    _messages.setAutoDelete(TRUE);
}

void ColMsgTable::save_list(ColMsgList & l, Q3PtrDict<ColMsgList> & saved) {
  if (saved.find(&l) == 0) {
    saved.insert(&l, new ColMsgList(l));
    
    Q3PtrListIterator<ColMsg> it(l);
    
    for (; it.current(); ++it) {
      ColMsg * m = it.current();
      
      save_list(m->get_msgs(), saved);
      save_list(m->in->get_msgs(), saved);
    }
  }
}

static void get_drawn(DiagramItemList & items,
		      Q3PtrDict<DiagramItem> & drawn)
{
  DiagramItem * di;
  
  for (di = items.first(); di != 0; di = items.next()) {
    UmlCode k = di->type();
    
    switch (k) {
    case UmlComponent:
    case UmlPackage:
      drawn.replace(di->get_bn()->get_data(), di);
      break;
    default:
      if (IsaSimpleRelation(k))
	drawn.replace(((ArrowCanvas *) di)->get_data(), di);
    }
  }
}

// the relation is not yet drawn,
void SimpleRelationCanvas::drop(BrowserNode * bn, UmlCanvas * canvas,
                                Q3PtrDict<DiagramItem> & drawn)
{
    SimpleRelationData * def = (SimpleRelationData *) bn->get_data();
    BrowserNode * from = def->get_start_node();
    BrowserNode * to = def->get_end_node();
    DiagramItem * ccfrom = drawn[from->get_data()];
    DiagramItem * ccto = drawn[to->get_data()];

    if ((ccfrom != 0) && (ccto != 0)) {
        SimpleRelationCanvas * rel =
            new SimpleRelationCanvas(canvas, ccfrom, ccto, from,
                                     bn->get_type(), 0, -1.0, -1.0, def);

        rel->show();
        rel->package_modified();

        drawn.replace(def, rel);

        // package set modified by caller
    }
}

void ComponentDiagramView::add_related_elements(DiagramItem *  di, QString what,
						bool inh, bool assoc) {
  BrowserNodeList l;
  RelatedElementsDialog dialog(di->get_bn(), what, inh, assoc, l);
  
  dialog.raise();
  
  if (dialog.exec() == QDialog::Accepted) {
    QApplication::setOverrideCursor(Qt::waitCursor);
  
    DiagramItemList items(canvas()->allItems());
    Q3PtrDict<DiagramItem> drawn;
    
    get_drawn(items, drawn);
    history_save();
    history_protected = TRUE;
    
    int xmax = canvas()->width() - Diagram_Margin;
    int ymax = canvas()->height() - Diagram_Margin;
    QRect re = di->rect();
    int x = re.x();
    int y = re.bottom() + Diagram_Margin;
    int future_y = y;
    Q3PtrListIterator<BrowserNode> it(l);
    BrowserNode * bn;
    
    for (; (bn = it.current()) != 0; ++it) {
      if (drawn[bn->get_data()] == 0) {
	DiagramCanvas * dc;
	
	switch (bn->get_type()) {
	case UmlComponent:
	  dc = new ComponentCanvas(bn, the_canvas(), x, y);
	  break;
	case UmlPackage:
	  dc = new PackageCanvas(bn, the_canvas(), x, y, 0);
	  break;
	default:
	  continue;
	}
	
	drawn.replace(dc->get_bn()->get_data(), dc);
	
	if ((x + dc->width()) > xmax)
	  dc->move(x = Diagram_Margin, y = future_y);
	
	if (y + dc->height() > ymax) {
	  dc->move(x = Diagram_Margin, y = Diagram_Margin);
	  future_y = y + dc->height() + Diagram_Margin;
	}
	else {
	  int bot = y + dc->height() + Diagram_Margin;
	  
	  if (bot > future_y)
	    future_y = bot;
	}
	
	x = x + dc->width() + Diagram_Margin;
	
	dc->show();
	dc->upper();
      }
    }
    
    canvas()->update();
    history_protected = FALSE;
    window()->package_modified();
  
    QApplication::restoreOverrideCursor();
  }
}

void ComponentDiagramView::add_marked_elements(const QPoint& p,
					       Q3PtrDict<DiagramItem> & drawn) {
  QApplication::setOverrideCursor(Qt::waitCursor);
  
  history_save();
  history_protected = TRUE;
  
  int xmax = canvas()->width() - Diagram_Margin;
  int ymax = canvas()->height() - Diagram_Margin;
  int x = p.x();
  int y = p.y();
  int future_y = y;
  const Q3PtrList<BrowserNode> & l = BrowserNode::marked_nodes();
  Q3PtrListIterator<BrowserNode> it(l);
  BrowserNode * bn;

  for (; (bn = it.current()) != 0; ++it) {
    if (drawn[bn->get_data()] == 0) {
      DiagramCanvas * dc;
      
      switch (bn->get_type()) {
      case UmlComponent:
	dc = new ComponentCanvas(bn, the_canvas(), x, y);
	break;
      case UmlPackage:
	dc = new PackageCanvas(bn, the_canvas(), x, y, 0);
	break;
      default:
	continue;
      }

      drawn.replace(dc->get_bn()->get_data(), dc);
      
      if ((x + dc->width()) > xmax)
	dc->move(x = Diagram_Margin, y = future_y);
      
      if (y + dc->height() > ymax) {
	dc->move(x = Diagram_Margin, y = Diagram_Margin);
	future_y = y + dc->height() + Diagram_Margin;
      }
      else {
	int bot = y + dc->height() + Diagram_Margin;
	
	if (bot > future_y)
	  future_y = bot;
      }
      
      x = x + dc->width() + Diagram_Margin;
      
      dc->show();
      dc->upper();
    }
  }
  
  UmlCanvas * cnv = (UmlCanvas *) canvas();
  
  if (! cnv->must_draw_all_relations()) {
    for (it.toFirst(); (bn = it.current()) != 0; ++it) {
      if ((drawn[bn->get_data()] == 0) &&
	  IsaSimpleRelation(bn->get_type()))
	SimpleRelationCanvas::drop(bn, cnv, drawn);
    }
  }
  
  canvas()->update();
  history_protected = FALSE;
  window()->package_modified();
  
  QApplication::restoreOverrideCursor();
}

void ColMsgTable::change_ranks(int row, int col) {
  ColMsg * msg = flat_msg_list[row];
  HierarchicalRankValidator validator(view, msg->hierarchical_rank);
  BooL ok;
  QString new_hr = MyInputDialog::getText(TR("Enter new hierarchical rank"), TR("Hierarchical rank : "),
					  msg->hierarchical_rank, ok,
					  &validator);
  
  if (ok && (new_hr != msg->hierarchical_rank)) {
    QString old_hr = msg->hierarchical_rank;
    
#ifndef NEW_METHOD
    // it may be (?, not reproduced) not possible to reintroduce the message
    // at its original rank when the new rank is wrong => stop to follow this
    // way and save the original def before trying to use the new rank ;-(
    //
    // Fixed by doing a ColDiagramView::update_msgs() after load ?
    
    for (;;) {
      msg->in->remove_it(msg);
      msg->extract_it(view->get_msgs());
      ColMsg::update_ranks(view->get_msgs());
      
      msg->hierarchical_rank = new_hr;
      msg->place_in_internal(view->get_msgs());
      msg->place_in_its_support();
      ColMsg::update_ranks(view->get_msgs());
      
      if (new_hr.find('.') != -1) {
	// upper level msg dest must be msg start
	ColMsg * upper =
	  ColMsg::find_rec(new_hr.left(new_hr.findRev('.')), view->get_msgs());
	
	if (upper == 0)
	  // error
	  new_hr = QString::null;
	else {
	  CodObjCanvas * from;
	  CodObjCanvas * from_bis;
	  CodObjCanvas * to;
	  
	  msg->in->get_from_to(from, to, msg->is_forward);
 	  upper->in->get_from_to(from_bis, to, upper->is_forward);
 
	  if (to != from)
	    // error
	    new_hr = QString::null;
	}
      }
      if (msg->hierarchical_rank != new_hr) {
	msg_warning(TR("Warning"), TR("Invalid hierarchical rank"));
	new_hr = old_hr;
      }
      else
	break;
    }
    view->update_msgs();
    
    if (new_hr != old_hr) {
      refresh();
      setCurrentCell(flat_msg_list.findIndex(msg), col);
    }
#else
    // save all the messages
    Q3PtrDict<ColMsgList> saved;
    
    saved.setAutoDelete(TRUE);
    save_list(view->get_msgs(), saved);
    
    // remove the message
    msg->in->remove_it(msg);
    msg->extract_it(view->get_msgs());
    ColMsg::update_ranks(view->get_msgs());
    
    // try to insert the msg with the asked rank
    msg->hierarchical_rank = new_hr;
    msg->place_in_internal(view->get_msgs());
    msg->place_in_its_support();
    ColMsg::update_ranks(view->get_msgs());
    
    if (new_hr.find('.') != -1) {
      // upper level msg dest must be msg start
      ColMsg * upper =
	ColMsg::find_rec(new_hr.left(new_hr.findRev('.')), view->get_msgs());
      
      if (upper == 0)
	// error
	new_hr = QString::null;
      else {
	CodObjCanvas * from;
	CodObjCanvas * from_bis;
	CodObjCanvas * to;
	
	msg->in->get_from_to(from, to, msg->is_forward);
	upper->in->get_from_to(from_bis, to, upper->is_forward);
	
	if (to != from)
	  // error
	  new_hr = QString::null;
      }
//.........这里部分代码省略.........

void ArtifactCanvas::update_relations() {
  // 'this' is a non source, check its associations
  const Q3PtrDict<BrowserArtifact> * associated = 
    ((ArtifactData *) browser_node->get_data())->get_associated();
  Q3PtrDict<BrowserArtifact> associations;
  Q3PtrListIterator<ArrowCanvas> it(lines);
    
  while (it.current()) {
    if ((it.current()->type() == UmlContain) &&
	(((AssocContainCanvas *) it.current())->get_start() == this)) {
      DiagramItem * adi = ((AssocContainCanvas *) it.current())->get_end();
      
      if ((adi->type() == UmlArtifact) &&
	  (associated != 0) &&
	  (associated->find((BrowserArtifact *) 
			    ((ArtifactCanvas *) adi)->browser_node) != 0)) {
	// association must exist
	BrowserArtifact * c = (BrowserArtifact *) 
	  ((ArtifactCanvas *) adi)->browser_node;
	
	associations.insert(c, c);
	++it;
      }
      else
	// association must not exist
	it.current()->delete_it();
    }
    else
      ++it;
  }
  
  if (associated != 0) {
    Q3PtrDictIterator<BrowserArtifact> it(*associated);
    
    while (it.current()) {
      if (associations.find(it.current()) == 0) {
	// the association to 'it.current()' is not yet drawn
	
	// search 'it.current()' cancas
	Q3CanvasItemList all = canvas()->allItems();
	Q3CanvasItemList::Iterator cit;
	
	for (cit = all.begin(); cit != all.end(); ++cit) {
	  if ((*cit)->visible()) {
	    DiagramItem * adi = QCanvasItemToDiagramItem(*cit);
	    
	    if ((adi != 0) &&		// an uml canvas item
		(adi->type() == UmlArtifact) &&
		(((ArtifactCanvas *) adi)->browser_node == it.current())) {
	      // find
	      (new AssocContainCanvas(the_canvas(), this, adi, 0, -1.0, -1.0))
		->show();
	      break;
	    }
	  }
	}
      }
      ++it;
    }
  }
}

int BrowserNodeList::compareItems(Q3PtrCollection::Item item1, Q3PtrCollection::Item item2)
{
  QString s1 = ((BrowserNode *) item1)->get_name();
  QString s2 = ((BrowserNode *) item2)->get_name();

  if (s1 != s2) {
    s1 += " ";
    s2 += " ";
  }
  else {
    QString * ps1 = SynonymousPath[(BrowserNode *) item1];
    QString * ps2 = SynonymousPath[(BrowserNode *) item2];

    if (ps1 == 0) {
      s1 = ((BrowserNode *) item1)->full_name(TRUE);
      ps1 = new QString(s1);

      SynonymousPath.insert((BrowserNode *) item1, ps1);
    }
    else
      s1 = *ps1;

    if (ps2 == 0) {
      s2 = ((BrowserNode *) item2)->full_name(TRUE);
      ps2 = new QString(s2);

      SynonymousPath.insert((BrowserNode *) item2, ps2);
    }
    else
      s2 = *ps2;
  }
  
  return s1.compare(s2);
}

void BrowserNodeList::sort_it() {
  if (count() > 1000)
    QApplication::setOverrideCursor(Qt::waitCursor);
  
  BrowserPackage::prepare_for_sort();

  sort();

  SynonymousPath.setAutoDelete(TRUE);
  SynonymousPath.clear();
  
  if (count() > 1000)
    QApplication::restoreOverrideCursor();
}