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/*=========================================================================                                                                               
  Program:   bbtk
  Module:    $RCSfile: bbwxCommandButton.cxx,v $
  Language:  C++
  Date:      $Date: 2008/12/12 08:55:23 $
  Version:   $Revision: 1.14 $
=========================================================================*/

/* ---------------------------------------------------------------------

* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
*
*  This software is governed by the CeCILL-B license under French law and 
*  abiding by the rules of distribution of free software. You can  use, 
*  modify and/ or redistribute the software under the terms of the CeCILL-B 
*  license as circulated by CEA, CNRS and INRIA at the following URL 
*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
*  or in the file LICENSE.txt.
*
*  As a counterpart to the access to the source code and  rights to copy,
*  modify and redistribute granted by the license, users are provided only
*  with a limited warranty  and the software's author,  the holder of the
*  economic rights,  and the successive licensors  have only  limited
*  liability. 
*
*  The fact that you are presently reading this means that you have had
*  knowledge of the CeCILL-B license and that you accept its terms.
* ------------------------------------------------------------------------ */                                                                         

#ifdef _USE_WXWIDGETS_


#include "bbwxCommandButton.h"
#include "bbwxPackage.h"
#include "bbtkInterpreter.h"
#include "bbtkExecuter.h"



namespace bbwx
{


   //--------------------------------------------------------------------------
  class CommandButtonWidget : public wxPanel
  {
  public:
    CommandButtonWidget(CommandButton* box, wxWindow *parent, 
                        wxString title);
    ~CommandButtonWidget();
    void OnCommandButton( wxEvent& );
    void SetLabel(wxString title);
    void SetColour(wxColour color);
        
  private:
    CommandButton* mBox;
    wxButton    *mwxCommandButton;
  }; 
   
  //--------------------------------------------------------------------------
  //--------------------------------------------------------------------------

  CommandButtonWidget::CommandButtonWidget(CommandButton* box,
                                           wxWindow *parent, 
                                           wxString title )
    : wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL),
      mBox(box)
  { 

    wxPanel *panel      = this;

    mwxCommandButton = new wxButton( panel, -1, title);
    Connect( mwxCommandButton->GetId(),   wxEVT_COMMAND_BUTTON_CLICKED , 
             (wxObjectEventFunction) 
             (void (wxPanel::*)(wxEvent&))
             &CommandButtonWidget::OnCommandButton ); 
    
    wxFlexGridSizer *sizer      = new wxFlexGridSizer(1);
    sizer -> Add( mwxCommandButton,1,wxGROW | wxALL,10 ); 
    sizer       -> AddGrowableCol(0);
    
    panel       -> SetSizer(sizer);
    panel       -> SetAutoLayout(true);
    panel       -> Layout();
    
  }
  
  CommandButtonWidget::~CommandButtonWidget()
  {
  }
  
  
  void CommandButtonWidget::OnCommandButton( wxEvent& )
  {
    // Look for the interpreter or the executer if no interpreter
    bbtk::Interpreter::Pointer I;
    bbtk::VirtualExec::Pointer E;
      if (mBox->bbGetParent() != 0) 
        {
          bbtk::Factory::Pointer f = boost::dynamic_pointer_cast<bbtk::ComplexBlackBoxDescriptor>(mBox->bbGetParent()->bbGetDescriptor())->GetFactory();
          if ((f != 0)&&
              (f->GetExecuter()))
            {
              E = f->GetExecuter();
              I = E->GetInterpreter();
            }
        }
      if (I==0) 
        {
          //      bbtkError("CommandButton::DoProcess() : could not find interpreter");
          if (E==0) 
            {
              // If no executer : create a totally independant interpreter
              I = bbtk::Interpreter::New();
            }
          else 
            {
              // If executer : create an interpreter using E
              I = bbtk::Interpreter::New(E);
            }
        }
      
      std::string commandstr(mBox->bbGetInputIn());
    
    //  bbtk::Interpreter::mGlobalInterpreter->InterpretLine( commandstr );
    unsigned int i;
    bool ok=true;
    int pos1=0,pos2;
    pos2 = commandstr.find(";",pos1);
    std::string ccommand;
    while (ok==true)
      {
        if (pos2==-1) 
          {
            ok=false;
            ccommand=commandstr.substr(pos1,commandstr.length()-pos1 );
          } 
        else 
          {
            ccommand=commandstr.substr(pos1,pos2-pos1);
          }
        for ( i=0 ; i < ccommand.length() ; i++)
          {
            if (ccommand[i]==39) // '
              {
                ccommand[i]=34;  // "
              }
          }             
        I->InterpretLine( ccommand );
        pos1=pos2+1;
        pos2 = commandstr.find(";",pos2+1);
        
      }
   
    mBox->UpdateLabel();
    mBox->UpdateColour();
    mBox->bbSignalOutputModification();
  }

  
  //--------------------------------------------------------------------------
  
  void CommandButtonWidget::SetLabel(wxString title)
  {
    mwxCommandButton->SetLabel(title);
  }
  //--------------------------------------------------------------------------
  
  void CommandButtonWidget::SetColour(wxColour color)
  {
    mwxCommandButton->SetBackgroundColour(color);
  }



  //--------------------------------------------------------------------------
  //-------------------------------------------------------------------------
  //--------------------------------------------------------------------------
  //-------------------------------------------------------------------------- 

  BBTK_ADD_BLACK_BOX_TO_PACKAGE(wx,CommandButton);
  BBTK_BLACK_BOX_IMPLEMENTATION(CommandButton,bbtk::WxBlackBox);

  void CommandButton::bbUserConstructor() 
  { 
    bbSetInputIn("");
    bbSetInputLabel("");
    std::vector<double> lstColour;
    lstColour.push_back(0.75);
    lstColour.push_back(0.75);
    lstColour.push_back(0.75);
    bbSetInputColour(lstColour);
    bbSetOutputWidget(0);
  }
  
  
  void CommandButton::Process() 
  { 
    CommandButtonWidget* w = (CommandButtonWidget*)bbGetOutputWidget();
    if (w) 
      {
        UpdateColour();
        UpdateLabel();
      }
  }
  
  void CommandButton::UpdateColour()
  {
    CommandButtonWidget* wxwidget = (CommandButtonWidget*)bbGetOutputWidget();
    if  ( (bbGetInputColour()[0]==-1) && 
          (bbGetInputColour()[1]==-1) &&
          (bbGetInputColour()[2]==-1) )
      {
        wxwidget->SetColour( wxwidget->GetParent()->GetBackgroundColour() );
      } 
    else 
      {
      int r=(int) (255*bbGetInputColour()[0]);
      int g=(int) (255*bbGetInputColour()[1]);
      int b=(int) (255*bbGetInputColour()[2]);
      wxwidget->SetColour( wxColour(r,g,b) );
    }

  } 
  void CommandButton::UpdateLabel()
  {
    CommandButtonWidget* wxwidget = (CommandButtonWidget*)bbGetOutputWidget();
    wxwidget->SetLabel( bbtk::std2wx( bbGetInputLabel() ) );
  }   
 
  void CommandButton::CreateWidget(wxWindow* parent) 
  { 
    bbSetOutputWidget
      ( new CommandButtonWidget ( this, //bbGetWxParent(), 
                                                                 parent,
                                                                 bbtk::std2wx(bbGetInputLabel()) ) );
    UpdateColour();
  } 
 
 
}  //namespace bbwx 
 
#endif  // _USE_WXWIDGETS_ 
 

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