1 // Copyright (C) 2006-2014 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "SceneCtrlInPortItem.hxx"
21 #include "SceneNodeItem.hxx"
22 #include "ItemMimeData.hxx"
24 #include "QtGuiContext.hxx"
26 #include "Message.hxx"
28 #include <QGraphicsSceneDragDropEvent>
32 #include "YacsTrace.hxx"
35 using namespace YACS::ENGINE;
36 using namespace YACS::HMI;
38 SceneCtrlInPortItem::SceneCtrlInPortItem(QGraphicsScene *scene, SceneItem *parent,
40 : SceneCtrlPortItem(scene, parent, label)
46 SceneCtrlInPortItem::~SceneCtrlInPortItem()
50 void SceneCtrlInPortItem::popupMenu(QWidget *caller, const QPoint &globalPos)
53 m.popupMenu(caller, globalPos);
56 void SceneCtrlInPortItem::dragEnterEvent(QGraphicsSceneDragDropEvent *event)
58 bool accepted = false;
59 const ItemMimeData *myData = dynamic_cast<const ItemMimeData*>(event->mimeData());
60 if (myData && myData->hasFormat("yacs/subjectOutGate"))
62 Subject *sub = myData->getSubject();
63 if (sub && dynamic_cast<SubjectNode*>(sub))
65 event->setAccepted(true);
67 QGraphicsItem::update();
71 event->setAccepted(accepted);
74 void SceneCtrlInPortItem::dragLeaveEvent(QGraphicsSceneDragDropEvent *event)
78 QGraphicsItem::update();
81 void SceneCtrlInPortItem::dropEvent(QGraphicsSceneDragDropEvent *event)
85 QGraphicsItem::update();
87 const ItemMimeData *myData = dynamic_cast<const ItemMimeData*>(event->mimeData());
89 if(!myData->hasFormat("yacs/subjectOutGate")) return;
90 Subject *sub = myData->getSubject();
92 SceneItem *item = QtGuiContext::getQtCurrent()->_mapOfSceneItem[sub];
94 SceneNodeItem* outItem = dynamic_cast<SceneNodeItem*>(item);
97 Subject *subFrom = outItem->getSubject();
98 if (!this->getParentNode()) return;
99 Subject *subTo = this->getParentNode()->getSubject();
100 SubjectNode* from = dynamic_cast<SubjectNode*>(subFrom);
101 SubjectNode* to = dynamic_cast<SubjectNode*>(subTo);
104 if (!SubjectNode::tryCreateLink(from, to))