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// $Id: G4VisCommands.cc,v 1.24 2009-03-09 12:42:00 allison Exp $

// /vis/set - John Allison  21st March 2012
// Set quantities for use in appropriate future commands.

#include "G4VisCommandsSet.hh"

#include "G4UIcommand.hh"
#include "G4UIcmdWithADouble.hh"
#include "G4UIcmdWithAString.hh"
#include <cctype>
#include <sstream>

////////////// /vis/set/colour ////////////////////////////////////

G4VisCommandSetColour::G4VisCommandSetColour ()
{
  G4bool omitable;
  fpCommand = new G4UIcommand("/vis/set/colour", this);
  fpCommand->SetGuidance
    ("Defines colour and opacity for future \"/vis/scene/add/\" commands.");
  fpCommand->SetGuidance
    ("(Except \"/vis/scene/add/text\" commands - see \"/vis/set/textColour\".)");
  fpCommand->SetGuidance("Default: white and opaque.");
  G4UIparameter* parameter;
  parameter = new G4UIparameter ("red", 's', omitable = true);
  parameter->SetGuidance
    ("Red component or a string, e.g., \"cyan\" (green and blue parameters are ignored).");
  parameter->SetDefaultValue ("1.");
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("green", 'd', omitable = true);
  parameter->SetDefaultValue (1.);
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("blue", 'd', omitable = true);
  parameter->SetDefaultValue (1.);
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("alpha", 'd', omitable = true);
  parameter->SetDefaultValue (1.);
  parameter->SetGuidance ("Opacity");
  fpCommand->SetParameter (parameter);
}

G4VisCommandSetColour::~G4VisCommandSetColour ()
{
  delete fpCommand;
}

G4String G4VisCommandSetColour::GetCurrentValue (G4UIcommand*)
{
  return G4String();
}

void G4VisCommandSetColour::SetNewValue (G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  G4String redOrString;
  G4double green, blue, opacity;
  std::istringstream iss(newValue);
  iss >> redOrString >> green >> blue >> opacity;

  G4Colour colour(1,1,1,1);  // Default white and opaque.
  if (std::isalpha(redOrString(0))) {
    if (!G4Colour::GetColour(redOrString, colour)) {
      if (verbosity >= G4VisManager::warnings) {
	G4cout << "WARNING: Colour \"" << redOrString
	       << "\" not found.  Defaulting to white and opaque."
	       << G4endl;
      }
    }
  } else {
    colour = G4Colour
      (G4UIcommand::ConvertToDouble(redOrString), green, blue);
  }
  // Add opacity
  fCurrentColour = G4Colour
    (colour.GetRed(), colour.GetGreen(), colour.GetBlue(), opacity);

  if (verbosity >= G4VisManager::confirmations) {
    G4cout <<
      "Colour for future \"/vis/scene/add/\" commands has been set to "
	   << fCurrentColour <<
      ".\n(Except \"/vis/scene/add/text\" commands - use \"/vis/set/textColour\".)"
	   << G4endl;
  }
}

////////////// /vis/set/lineWidth ////////////////////////////////////

G4VisCommandSetLineWidth::G4VisCommandSetLineWidth ()
{
  G4bool omitable;
  fpCommand = new G4UIcmdWithADouble("/vis/set/lineWidth", this);
  fpCommand->SetGuidance
    ("Defines lineWidth for future \"/vis/scene/add/\" commands.");
  fpCommand->SetParameterName ("lineWidth", omitable = true);
  fpCommand->SetDefaultValue (1.);
  fpCommand->SetRange("lineWidth >= 1.");
}

G4VisCommandSetLineWidth::~G4VisCommandSetLineWidth ()
{
  delete fpCommand;
}

G4String G4VisCommandSetLineWidth::GetCurrentValue (G4UIcommand*)
{
  return G4String();
}

void G4VisCommandSetLineWidth::SetNewValue (G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  fCurrentLineWidth = fpCommand->GetNewDoubleValue(newValue);

  if (verbosity >= G4VisManager::confirmations) {
    G4cout <<
      "Line width for future \"/vis/scene/add/\" commands has been set to "
	   << fCurrentLineWidth
	   << G4endl;
  }
}

////////////// /vis/set/textColour ////////////////////////////////////

G4VisCommandSetTextColour::G4VisCommandSetTextColour ()
{
  G4bool omitable;
  fpCommand = new G4UIcommand("/vis/set/textColour", this);
  fpCommand->SetGuidance
    ("Defines colour and opacity for future \"/vis/scene/add/text\" commands.");
  fpCommand->SetGuidance("Default: blue and opaque.");
  G4UIparameter* parameter;
  parameter = new G4UIparameter ("red", 's', omitable = true);
  parameter->SetGuidance
    ("Red component or a string, e.g., \"cyan\" (green and blue parameters are ignored).");
  parameter->SetDefaultValue ("0.");
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("green", 'd', omitable = true);
  parameter->SetDefaultValue (0.);
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("blue", 'd', omitable = true);
  parameter->SetDefaultValue (1.);
  fpCommand->SetParameter (parameter);
  parameter = new G4UIparameter ("alpha", 'd', omitable = true);
  parameter->SetDefaultValue (1.);
  parameter->SetGuidance ("Opacity");
  fpCommand->SetParameter (parameter);
}

G4VisCommandSetTextColour::~G4VisCommandSetTextColour ()
{
  delete fpCommand;
}

G4String G4VisCommandSetTextColour::GetCurrentValue (G4UIcommand*)
{
  return G4String();
}

void G4VisCommandSetTextColour::SetNewValue (G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  G4String redOrString;
  G4double green, blue, opacity;
  std::istringstream iss(newValue);
  iss >> redOrString >> green >> blue >> opacity;

  G4Colour colour(0,0,1,1);  // Default blue and opaque.
  if (std::isalpha(redOrString(0))) {
    if (!G4Colour::GetColour(redOrString, colour)) {
      if (verbosity >= G4VisManager::warnings) {
	G4cout << "WARNING: Text colour \"" << redOrString
	       << "\" not found.  Defaulting to blue and opaque."
	       << G4endl;
      }
    }
  } else {
    colour = G4Colour
      (G4UIcommand::ConvertToDouble(redOrString), green, blue);
  }
  // Add opacity
  fCurrentTextColour = G4Colour
    (colour.GetRed(), colour.GetGreen(), colour.GetBlue(), opacity);

  if (verbosity >= G4VisManager::confirmations) {
    G4cout <<
      "Colour for future \"/vis/scene/add/text\" commands has been set to "
	   << fCurrentTextColour << '.'
	   << G4endl;
  }
}

////////////// /vis/set/textLayout ////////////////////////////////////

G4VisCommandSetTextLayout::G4VisCommandSetTextLayout ()
{
  G4bool omitable;
  fpCommand = new G4UIcmdWithAString("/vis/set/textLayout", this);
  fpCommand->SetGuidance
    ("Defines layout future \"/vis/scene/add/text\" commands.");
  fpCommand->SetGuidance
    ("\"left\" (default) for left justification to provided coordinate.");
  fpCommand->SetGuidance
    ("\"centre\" or \"center\" for text centered on provided coordinate.");
  fpCommand->SetGuidance
    ("\"right\" for right justification to provided coordinate.");
  fpCommand->SetGuidance("Default: left.");
  fpCommand->SetParameterName("layout", omitable = true);
  fpCommand->SetCandidates ("left centre center right");
  fpCommand->SetDefaultValue ("left");
}

G4VisCommandSetTextLayout::~G4VisCommandSetTextLayout ()
{
  delete fpCommand;
}

G4String G4VisCommandSetTextLayout::GetCurrentValue (G4UIcommand*)
{
  return G4String();
}

void G4VisCommandSetTextLayout::SetNewValue (G4UIcommand*, G4String newValue)
{
  G4Text::Layout layout = G4Text::left;
  if (newValue == "left") layout = G4Text::left;
  else if (newValue == "centre" || newValue == "center")
    layout = G4Text::centre;
  else if (newValue == "right") layout = G4Text::right;

  fCurrentTextLayout = layout;

  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();
  if (verbosity >= G4VisManager::confirmations) {
    G4cout << "Text layout (for future \"text\" commands) has been set to \""
	   << fCurrentTextLayout << "\"."
	   << G4endl;
  }
}

////////////// /vis/set/touchable ////////////////////////////////////

G4VisCommandSetTouchable::G4VisCommandSetTouchable ()
{
  G4bool omitable;
  G4UIparameter* parameter;
  fpCommand = new G4UIcommand("/vis/set/touchable", this);
  fpCommand->SetGuidance
  ("Defines touchable for future \"/vis/touchable/set/\" commands.");
  fpCommand->SetGuidance
  ("Please provide a list of space-separated physical volume names and"
   "\ncopy number pairs starting at the world volume, e.g:"
   "\n  /vis/set/touchable World 0 Envelope 0 Shape1 0"
   "\n(To get list of touchables, use \"/vis/drawTree\")"
   "\n(To save, use \"/vis/viewer/save\")");
  parameter = new G4UIparameter ("list", 's', omitable = false);
  parameter->SetGuidance
  ("List of physical volume names and copy number pairs");
  fpCommand->SetParameter (parameter);
}

G4VisCommandSetTouchable::~G4VisCommandSetTouchable ()
{
  delete fpCommand;
}

G4String G4VisCommandSetTouchable::GetCurrentValue (G4UIcommand*)
{
  return G4String();
}

void G4VisCommandSetTouchable::SetNewValue (G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();
  
  G4ModelingParameters::PVNameCopyNoPath currentTouchablePath;
  
  // Algorithm from Josuttis p.476.
  G4String::size_type iBegin, iEnd;
  iBegin = newValue.find_first_not_of(' ');
  while (iBegin != G4String::npos) {
    iEnd = newValue.find_first_of(' ',iBegin);
    if (iEnd == G4String::npos) {
      iEnd = newValue.length();
    }
    G4String name(newValue.substr(iBegin,iEnd-iBegin));
    iBegin = newValue.find_first_not_of(' ',iEnd);
    if (iBegin == G4String::npos) {
      if (verbosity >= G4VisManager::warnings) {
        G4cout <<
        "WARNING: G4VisCommandSetTouchable::SetNewValue"
        "\n  A pair not found.  (Did you have an even number of parameters?)"
        "\n  Command ignored."
        << G4endl;
        return;
      }
    }
    iEnd = newValue.find_first_of(' ',iBegin);
    if (iEnd == G4String::npos) {
      iEnd = newValue.length();
    }
    G4int copyNo;
    std::istringstream iss(newValue.substr(iBegin,iEnd-iBegin));
    if (!(iss >> copyNo)) {
      if (verbosity >= G4VisManager::warnings) {
        G4cout <<
        "WARNING: G4VisCommandSetTouchable::SetNewValue"
        "\n  Error reading copy number - it was not numeric?"
        "\n  Command ignored."
        << G4endl;
        return;
      }
    }
    currentTouchablePath.push_back
    (G4ModelingParameters::PVNameCopyNo(name,copyNo));
    iBegin = newValue.find_first_not_of(' ',iEnd);
  }
  
  fCurrentTouchablePath = currentTouchablePath;
  
  if (verbosity >= G4VisManager::confirmations) {
    G4cout    << fCurrentTouchablePath
    << G4endl;
  }
}