EditionScript.cxx

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// Copyright (C) 2006-2016  CEA/DEN, EDF R&D
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#include "EditionScript.hxx"
#include "QtGuiContext.hxx"
#include "Resource.hxx"
#include "Container.hxx"
#include "InlineNode.hxx"
#include "FormContainer.hxx"
#include "Message.hxx"

#ifdef HAS_PYEDITOR
#include <PyEditor_Editor.h>
#include <PyEditor_Settings.h>
#endif

#include <QToolButton>
#include <QSplitter>
#include <QTemporaryFile>
#include <QTextStream>
#include <QProcess>

#include <cassert>

//#define _DEVDEBUG_
#include "YacsTrace.hxx"

using namespace std;

using namespace YACS;
using namespace YACS::HMI;

EditionScript::EditionScript(Subject* subject,
                         QWidget* parent,
                         const char* name)
  : EditionElementaryNode(subject, parent, name)
{
  _subInlineNode = 0;
  _sci = 0;

  _subInlineNode = dynamic_cast<SubjectInlineNode*>(_subject);
  YASSERT(_subInlineNode);

  QSplitter *splitter = new QSplitter(this);
  splitter->setOrientation(Qt::Vertical);
  _wid->gridLayout1->addWidget(splitter);

  QWidget* widg=new QWidget;
  _portslayout = new QVBoxLayout;
  widg->setLayout(_portslayout);
  _portslayout->setMargin(1);
  splitter->addWidget(widg);

  QWidget* window=new QWidget;
  _glayout=new QVBoxLayout;
  window->setLayout(_glayout);
  _glayout->setMargin(1);
  splitter->addWidget(window);

  //add an options section in ports layout for execution mode (local or remote)
  QHBoxLayout* hboxLayout = new QHBoxLayout();
  hboxLayout->setMargin(0);
  QToolButton* tb_options = new QToolButton();
  tb_options->setCheckable(true);
  QIcon icon;
  icon.addFile("icons:icon_down.png");
  icon.addFile("icons:icon_up.png", QSize(), QIcon::Normal, QIcon::On);
  tb_options->setIcon(icon);
  hboxLayout->addWidget(tb_options);

  QLabel* label = new QLabel("Execution Mode");
  QFont font;
  font.setBold(true);
  font.setWeight(75);
  label->setFont(font);
  hboxLayout->addWidget(label);

  _portslayout->addLayout(hboxLayout);

  fr_options = new QFrame();
  QHBoxLayout* hboxLayout1 = new QHBoxLayout(fr_options);
  hboxLayout1->setMargin(0);
  radiolocal= new QRadioButton("YACS");
  radioremote= new QRadioButton("Container");
  radiolocal->setChecked(true);
  hboxLayout1->addWidget(radiolocal);
  hboxLayout1->addWidget(radioremote);
  hboxLayout->addWidget(fr_options);

  fr_container = new QFrame();
  QHBoxLayout* hboxLayout2 = new QHBoxLayout(fr_container);
  hboxLayout2->setMargin(0);
  QLabel* laContainer = new QLabel("Container:");
  hboxLayout2->addWidget(laContainer);
  cb_container = new ComboBox();
  hboxLayout2->addWidget(cb_container);
  _portslayout->addWidget(fr_container);

  //
  YACS::ENGINE::InlineNode *pyNode(dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode()));
  YACS::ENGINE::Container *cont(pyNode->getContainer());
  formcontainer = new FormContainerDecorator(cont,this);
  _portslayout->addWidget(formcontainer);
  //_portslayout->addWidget(formcontainer->getWidget());
  //end of insertion of execution mode

  createTablePorts(_portslayout);
  setEditablePorts(true);

  _haveScript = true;
#ifdef HAS_PYEDITOR
  _sci = new PyEditor_Editor(this);
#else
  _sci = new QTextEdit(this);
#endif
  _wid->gridLayout->removeItem(_wid->spacerItem);

  _editor = new QPushButton("External Editor", this);
  connect(_editor, SIGNAL(clicked()), this, SLOT(onEdit()));
  if(!Resource::pythonExternalEditor.isEmpty())
    {
      _glayout->addWidget( _editor );
    }
  _glayout->addWidget( _sci );

  if (!QtGuiContext::getQtCurrent()->isEdition())
    _sci->setReadOnly(true);

  if (YACS::ENGINE::InlineNode* pyNode =
      dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode()))
    {
      _sci->append(pyNode->getScript().c_str());
    }
  connect(_sci, SIGNAL(textChanged()), this, SLOT(onScriptModified()));

  connect(tb_options, SIGNAL(toggled(bool)), this, SLOT(on_tb_options_toggled(bool)));
  connect(radioremote, SIGNAL(toggled(bool)), this, SLOT(on_remote_toggled(bool)));
  connect(cb_container, SIGNAL(mousePressed()), this, SLOT(fillContainerPanel()));
  connect(cb_container, SIGNAL(activated(int)), this, SLOT(changeContainer(int)));

  update(UPDATE,0,0);
  on_tb_options_toggled(false);
}

EditionScript::~EditionScript()
{
}

void EditionScript::synchronize()
{
  DEBTRACE("EditionScript::synchronize " << this->_isEdited);
  EditionElementaryNode::synchronize();
  YACS::ENGINE::InlineNode* pyNode = dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode());
  YASSERT(pyNode);
  disconnect(_sci, SIGNAL(textChanged()), this, SLOT(onScriptModified()));
  if (!_isEdited)
  {
    _sci->clear();
    _sci->append(pyNode->getScript().c_str());
  }
  connect(_sci, SIGNAL(textChanged()), this, SLOT(onScriptModified()));
}

void EditionScript::onApply()
{
  DEBTRACE("EditionScript::onApply");
  bool scriptEdited = false;
#ifdef HAS_PYEDITOR
  PyEditor_Settings settings = _sci->settings();
  settings.setFont(Resource::pythonfont);
  _sci->setSettings(settings);
#endif

  if(Resource::pythonExternalEditor.isEmpty())
    {
      _editor->hide();
      _glayout->removeWidget(_editor);
    }
  else
    {
      _editor->show();
      if(_glayout->itemAt(0)->widget() != _editor)
        _glayout->insertWidget ( 0, _editor );
    }

  if (_haveScript)
    {
      if (_sci->document()->isModified())
        {
          scriptEdited = true;
          std::string text=_sci->document()->toPlainText().toStdString();
          if(text[text.length()-1] != '\n')
            text=text+'\n';
          bool ret = _subInlineNode->setScript(text);
          if (ret) scriptEdited = false;
        }
    }

  bool containerEdited = true;
  if (formcontainer->onApply()) {
    fillContainerPanel();
    containerEdited = false;
  } else {
    Message mess(GuiContext::getCurrent()->_lastErrorMessage);
    return;
  }

  _isEdited = _isEdited || scriptEdited || containerEdited;

  EditionElementaryNode::onApply();
}

void EditionScript::onCancel()
{
  if (_haveScript)
    _sci->setText(_subInlineNode->getScript().c_str());
  formcontainer->onCancel();
  EditionElementaryNode::onCancel();
}

void EditionScript::onScriptModified()
{
  DEBTRACE("EditionScript::onScriptModified");
  _isEdited = true;
  setEdited(true);
}

void EditionScript::onEdit()
{
  DEBTRACE("EditionScript::onEdit");
  QTemporaryFile outFile;
  if (!outFile.open())
    return;
  QString fileName = outFile.fileName();
  QTextStream out(&outFile);
  out << _sci->toPlainText();
  outFile.close();

  QStringList options=Resource::pythonExternalEditor.split(" ");
  QString prog=options.takeAt(0);
  QProcess::execute(prog, QStringList() << options << fileName);

  QFile inFile(fileName);
  if (!inFile.open(QIODevice::ReadOnly))
    return;
  QTextStream in(&inFile);
  _sci->setPlainText(in.readAll());
  onApply();
}

void EditionScript::on_tb_options_toggled(bool checked)
{
  DEBTRACE("EditionScript::on_tb_options_toggled " << checked);
  _checked = checked;
  if(_checked)
    {
      fr_options->show();
      if(_remote)
        {
          fr_container->show();
          formcontainer->show();
        }
    }
  else
    {
      fr_options->hide();
      fr_container->hide();
      formcontainer->hide();
    }
}

void EditionScript::on_remote_toggled(bool checked)
{
  DEBTRACE("EditionScript::on_remote_toggled " << checked);
  _remote=checked;
  YACS::ENGINE::InlineNode *pyNode = dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode());
  std::string mode = pyNode->getExecutionMode();
  DEBTRACE(mode);

  if(checked)
    {
      //remote radio button is checked
      if(mode != "remote")
        _subInlineNode->setExecutionMode("remote");
      fr_container->show();
      formcontainer->show();
      fillContainerPanel();
    }
  else
    {
      //remote radio button is unchecked
      if(mode != "local")
        _subInlineNode->setExecutionMode("local");
      fr_container->hide();
      formcontainer->hide();
    }
}

void EditionScript::fillContainerPanel()
{
  DEBTRACE("EditionScript::fillContainerPanel ");
  YACS::ENGINE::Proc* proc = GuiContext::getCurrent()->getProc();

  cb_container->clear();
  std::map<string,YACS::ENGINE::Container*>::const_iterator it = proc->containerMap.begin();
  for(; it != proc->containerMap.end(); ++it)
    cb_container->addItem( QString((*it).first.c_str()));

  YACS::ENGINE::InlineNode *pyNode = dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode());

  YACS::ENGINE::Container * cont = pyNode->getContainer();
  if (cont)
    {
      int index = cb_container->findText(cont->getName().c_str());
      cb_container->setCurrentIndex(index);
      formcontainer->FillPanel(cont);
    } 
  else if (cb_container->count()) {
    changeContainer(0);
  }
}

void EditionScript::changeContainer(int index)
{
  DEBTRACE("EditionScript::changeContainer ");
  string contName = cb_container->itemText(index).toStdString();
  DEBTRACE(contName);
  YACS::ENGINE::InlineNode *pyNode = dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode());
  YACS::ENGINE::Container *oldContainer = pyNode->getContainer();

  YACS::ENGINE::Container *newContainer = 0;
  YACS::ENGINE::Proc* proc = GuiContext::getCurrent()->getProc();
  if (proc->containerMap.count(contName))
    newContainer = proc->containerMap[contName];
  if (!newContainer)
    {
      DEBTRACE("-------------> not found : " << contName);
      return;
    }
  YASSERT(GuiContext::getCurrent()->_mapOfSubjectContainer.count(newContainer));
  SubjectContainerBase *scnt(GuiContext::getCurrent()->_mapOfSubjectContainer[newContainer]);

  _subInlineNode->setContainer(scnt);
  
  // show the selected container parameters
  formcontainer->FillPanel(newContainer);
}

void EditionScript::update(GuiEvent event, int type, Subject* son)
{
  DEBTRACE("EditionScript::update " << eventName(event) <<" "<<type<<" "<<son);
  EditionElementaryNode::update(event, type, son);
  if(event == ASSOCIATE)
    {
      fillContainerPanel();
      SubjectContainer *scont = dynamic_cast<SubjectContainer*>(son);
      YASSERT(scont);
      formcontainer->FillPanel(scont->getContainer());
    }
  else if(event == UPDATE)
    {
      YACS::ENGINE::InlineNode *pyNode = dynamic_cast<YACS::ENGINE::InlineNode*>(_subInlineNode->getNode());
      std::string mode = pyNode->getExecutionMode();
      if(mode == "remote")
        {
          _remote=true;
          radioremote->setChecked(true);
        }
      else if(mode == "local")
        {
          _remote=false;
          radiolocal->setChecked(true);
        }

      fillContainerPanel();
    }
}