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 #include "XGUI_SelectionActivate.h"
  24 #include "XGUI_Tools.h"
  25 #include "XGUI_Workshop.h"
  26
  27
  28 #include <ModuleBase_IModule.h>
  29 #include <ModuleBase_IWorkshop.h>
  30
  31 //********************************************************************
  32 XGUI_ActiveControlMgr::XGUI_ActiveControlMgr(ModuleBase_IWorkshop* theWorkshop)
  33 : myWorkshop(theWorkshop), myActiveSelector(0)
  34 {
  35   connect(myWorkshop, SIGNAL(selectionChanged()), this, SLOT(onSelectionChanged()));
  36 }
  37
  38 //********************************************************************
  39 void XGUI_ActiveControlMgr::addSelector(XGUI_ActiveControlSelector* theSelector)
  40 {
  41   mySelectors.append(theSelector);
  42   connect(theSelector, SIGNAL(activated()), this, SLOT(onSelectorActivated()));
  43   connect(theSelector, SIGNAL(deactivated()), this, SLOT(onSelectorDeactivated()));
  44 }
  45
  46 //********************************************************************
  47 XGUI_ActiveControlSelector* XGUI_ActiveControlMgr::getSelector(const QString& theType)
  48 {
  49   XGUI_ActiveControlSelector* aSelector;
  50   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
  51   {
  52     if (mySelectors[i]->getType() != theType)
  53       continue;
  54     aSelector = mySelectors[i];
  55     break;
  56   }
  57   return aSelector;
  58 }
  59
  60 //********************************************************************
  61 void XGUI_ActiveControlMgr::onSelectorActivated()
  62 {
  63   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  64   if (!aSelector || aSelector == myActiveSelector)
  65     return;
  66
  67   if (myActiveSelector)
  68     myActiveSelector->setActive(false);
  69
  70   activateSelector(aSelector);
  71   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionModes();
  72   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionFilters();
  73 }
  74
  75 //********************************************************************
  76 void XGUI_ActiveControlMgr::onSelectorDeactivated()
  77 {
  78   XGUI_ActiveControlSelector* aSelector = qobject_cast<XGUI_ActiveControlSelector*>(sender());
  79   if (!aSelector)
  80     return;
  81
  82   myActiveSelector = NULL;
  83
  84   aSelector->setActive(false);
  85
  86   XGUI_ActiveControlSelector* aSelectorToBeActivated = 0;
  87   for (int i = 0, aCount = mySelectors.count(); i < aCount; i++)
  88   {
  89     if (!mySelectors[i]->needToBeActiated())
  90       continue;
  91     aSelectorToBeActivated = mySelectors[i];
  92     break;
  93   }
  94   if (aSelectorToBeActivated)
  95     activateSelector(aSelectorToBeActivated);
  96
  97   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionModes();
  98   XGUI_Tools::workshop(myWorkshop)->selectionActivate()->updateSelectionFilters();
  99 }
 100
 101 //********************************************************************
 102 void XGUI_ActiveControlMgr::onSelectionChanged()
 103 {
 104   if (!myActiveSelector)
 105     return;
 106
 107   myActiveSelector->processSelection();
 108 }
 109
 110 //********************************************************************
 111 void XGUI_ActiveControlMgr::activateSelector(XGUI_ActiveControlSelector* theSelector)
 112 {
 113   myActiveSelector = theSelector;
 114   theSelector->setActive(true);
 115 }