src/XGUI/XGUI_ActiveControlMgr.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   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.
   7 //
   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.
  12 //
  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
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include <XGUI_ActiveControlMgr.h>
  22 #include <XGUI_ActiveControlSelector.h>
  23
  24 #include <ModuleBase_IModule.h>
  25 #include <ModuleBase_IWorkshop.h>
  26
  27 //********************************************************************
  28 XGUI_ActiveControlMgr::XGUI_ActiveControlMgr(ModuleBase_IWorkshop* theWorkshop)
  29 : myWorkshop(theWorkshop), myActiveSelector(0)
  30 {
  31   connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  32 }
  33
  34 //********************************************************************
  35 void XGUI_ActiveControlMgr::addSelector(XGUI_ActiveControlSelector* theSelector)
  36 {
  37   mySelectors.append(theSelector);
  38   connect(theSelector, SIGNAL(activated()), this, SLOT(onSelectorActivated()));
  39   connect(theSelector, SIGNAL(deactivated()), this, SLOT(onSelectorDeactivated()));
  40 }
  41
  42 //********************************************************************
  43 XGUI_ActiveControlSelector* XGUI_ActiveControlMgr::getSelector(const QString& theType)
  44 {
  45   XGUI_ActiveControlSelector* aSelector;
  46   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
  47   {
  48     if (mySelectors[i]->getType() != theType)
  49       continue;
  50     aSelector = mySelectors[i];
  51     break;
  52   }
  53   return aSelector;
  54 }
  55
  56 //********************************************************************
  57 void XGUI_ActiveControlMgr::onSelectorActivated()
  58 {
  59   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  60   if (!aSelector || aSelector == myActiveSelector)
  61     return;
  62
  63   if (myActiveSelector)
  64     myActiveSelector->setActive(false);
  65
  66   activateSelector(aSelector);
  67 }
  68
  69 //********************************************************************
  70 void XGUI_ActiveControlMgr::onSelectorDeactivated()
  71 {
  72   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  73   if (!aSelector)
  74     return;
  75
  76   myActiveSelector = NULL;
  77
  78   aSelector->setActive(false);
  79   myWorkshop->module()->updateActiveSelectionFilters();
  80
  81   XGUI_ActiveControlSelector* aSelectorToBeActivated = 0;
  82   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
  83   {
  84     if (!mySelectors[i]->needToBeActiated())
  85       continue;
  86     aSelectorToBeActivated = mySelectors[i];
  87     break;
  88   }
  89   if (aSelectorToBeActivated)
  90     activateSelector(aSelectorToBeActivated);
  91 }
  92
  93 //********************************************************************
  94 void XGUI_ActiveControlMgr::onSelectionChanged()
  95 {
  96   if (!myActiveSelector)
  97     return;
  98
  99   myActiveSelector->processSelection();
 100 }
 101
 102 //********************************************************************
 103 void XGUI_ActiveControlMgr::activateSelector(XGUI_ActiveControlSelector* theSelector)
 104 {
 105   myActiveSelector = theSelector;
 106   theSelector->setActive(true);
 107
 108   myWorkshop->module()->updateActiveSelectionFilters();
 109 }