1 // Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 #include "HYDROGUI_Displayer.h"
25 #include "HYDROGUI_DataModel.h"
26 #include "HYDROGUI_Module.h"
27 #include "HYDROGUI_Prs.h"
28 #include "HYDROGUI_PrsImageDriver.h"
29 #include "HYDROGUI_PrsPolylineDriver.h"
30 #include "HYDROGUI_PrsZoneDriver.h"
31 #include "HYDROGUI_Tool.h"
33 #include <GraphicsView_Viewer.h>
34 #include <GraphicsView_ViewPort.h>
36 HYDROGUI_Displayer::HYDROGUI_Displayer( HYDROGUI_Module* theModule )
37 : myModule( theModule )
41 HYDROGUI_Displayer::~HYDROGUI_Displayer()
45 void HYDROGUI_Displayer::SetToUpdate( const HYDROData_SequenceOfObjects& theObjs,
46 const int theViewerId )
48 GraphicsView_Viewer* aViewer = myModule->getViewer( theViewerId );
52 GraphicsView_ViewPort* aViewPort = aViewer->getActiveViewPort();
56 GraphicsView_ObjectList anObjectList = aViewPort->getObjects();
57 for( int i = 1, n = theObjs.Length(); i <= n; i++ )
59 Handle(HYDROData_Object) anObj = theObjs.Value( i );
63 if( HYDROGUI_Prs* aPrs = HYDROGUI_Tool::GetPresentation( anObj, anObjectList ) )
64 aPrs->setIsToUpdate( true );
68 void HYDROGUI_Displayer::UpdateAll( const int theViewerId,
70 const bool theIsForced )
73 EraseAll( theViewerId );
74 DisplayAll( theViewerId, theIsForced );
77 void HYDROGUI_Displayer::EraseAll( const int theViewerId )
79 GraphicsView_Viewer* aViewer = myModule->getViewer( theViewerId );
83 GraphicsView_ViewPort* aViewPort = aViewer->getActiveViewPort();
87 GraphicsView_ObjectListIterator anIter( HYDROGUI_Tool::GetPrsList( aViewPort ) );
88 while( anIter.hasNext() )
90 if( GraphicsView_Object* anObject = anIter.next() )
92 aViewPort->removeItem( anObject );
98 void HYDROGUI_Displayer::DisplayAll( const int theViewerId,
99 const bool theIsForced )
101 HYDROData_SequenceOfObjects aSeq;
102 HYDROGUI_Tool::GetPrsSubObjects( myModule, aSeq );
103 Update( aSeq, theViewerId, theIsForced );
106 void HYDROGUI_Displayer::Update( const HYDROData_SequenceOfObjects& theObjs,
107 const int theViewerId,
108 const bool theIsForced )
110 // First of all, kill all bad presentations
111 purgeObjects( theViewerId );
113 // Now dig in the data model
114 HYDROData_SequenceOfObjects anObjectsToErase, anObjectsToDisplay;
116 for( int i = 1, n = theObjs.Length(); i <= n; i++ )
118 const Handle(HYDROData_Object)& anObj = theObjs.Value( i );
120 anObjectsToErase.Append( anObj );
122 anObjectsToDisplay.Append( anObj );
125 if( anObjectsToErase.Length() )
126 Erase( anObjectsToErase, theViewerId );
127 if( anObjectsToDisplay.Length() )
128 Display( anObjectsToDisplay, theViewerId, theIsForced );
131 void HYDROGUI_Displayer::Erase( const HYDROData_SequenceOfObjects& theObjs,
132 const int theViewerId )
134 GraphicsView_Viewer* aViewer = myModule->getViewer( theViewerId );
138 GraphicsView_ViewPort* aViewPort = aViewer->getActiveViewPort();
142 HYDROGUI_DataModel* aModel = (HYDROGUI_DataModel*)myModule->dataModel();
145 GraphicsView_ObjectList anObjectList = HYDROGUI_Tool::GetPrsList( aViewPort );
146 for( int i = 1, n = theObjs.Length(); i <= n; i++ )
148 // the object may be null or dead
149 const Handle(HYDROData_Object)& anObj = theObjs.Value( i );
150 if( HYDROGUI_Prs* aPrs = HYDROGUI_Tool::GetPresentation( anObj, anObjectList ) )
152 aViewPort->removeItem( aPrs );
159 void HYDROGUI_Displayer::Display( const HYDROData_SequenceOfObjects& theObjs,
160 const int theViewerId,
161 const bool theIsForced )
163 GraphicsView_Viewer* aViewer = myModule->getViewer( theViewerId );
167 GraphicsView_ViewPort* aViewPort = aViewer->getActiveViewPort();
171 bool anIsDisplayed = false;
172 GraphicsView_ObjectList anObjectList = aViewPort->getObjects();
173 for( int i = 1, n = theObjs.Length(); i <= n; i++ )
175 Handle(HYDROData_Object) anObj = theObjs.Value( i );
179 HYDROGUI_Prs* aPrs = HYDROGUI_Tool::GetPresentation( anObj, anObjectList );
181 bool anIsInserted = ( aPrs != 0 );
182 if( !aPrs || aPrs->getIsToUpdate() || theIsForced )
184 if( HYDROGUI_PrsDriver* aDriver = getDriver( anObj ) )
186 if( aDriver->Update( anObj, aPrs ) && aPrs && !anIsInserted )
187 aViewPort->addItem( aPrs );
193 bool anIsVisible = myModule->isObjectVisible( (size_t)aViewer, anObj );
194 aPrs->setVisible( anIsVisible );
198 aViewPort->onBoundingRectChanged(); // specific of HYDRO module
202 void HYDROGUI_Displayer::purgeObjects( const int theViewerId )
204 GraphicsView_Viewer* aViewer = myModule->getViewer( theViewerId );
208 GraphicsView_ViewPort* aViewPort = aViewer->getActiveViewPort();
212 GraphicsView_ObjectListIterator anIter( HYDROGUI_Tool::GetPrsList( aViewPort ) );
213 while( anIter.hasNext() )
215 if( HYDROGUI_Prs* aPrs = dynamic_cast<HYDROGUI_Prs*>( anIter.next() ) )
217 Handle(HYDROData_Object) anObject = aPrs->getObject();
218 if( !anObject.IsNull() && anObject->IsRemoved() )
220 aViewPort->removeItem( aPrs );
227 HYDROGUI_PrsDriver* HYDROGUI_Displayer::getDriver( const Handle(HYDROData_Object)& theObj )
229 HYDROGUI_PrsDriver* aDriver = NULL;
230 ObjectKind aKind = theObj->GetKind();
231 PrsDriversMap::iterator anIter = myPrsDriversMap.find( aKind );
232 if( anIter != myPrsDriversMap.end() )
233 aDriver = anIter.value();
239 aDriver = new HYDROGUI_PrsImageDriver();
242 aDriver = new HYDROGUI_PrsPolylineDriver();
245 aDriver = new HYDROGUI_PrsZoneDriver();
252 myPrsDriversMap[ aKind ] = aDriver;