vsiPlugin.cc 6.44 KB
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//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2009 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper 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 3 of the License, or
//  (at your option) any later version.
//
//  OpenFlipper 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 OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision: $
//   $Author: $
//   $Date: $
//
//=============================================================================

//=============================================================================
//
//  CLASS VsiPlugin - IMPLEMENTATION
//
//=============================================================================

//== INCLUDES =================================================================

#include <QAction>
#include <QIcon>
#include <QScriptEngine>
#include <QMessageBox>

#include <OpenFlipper/BasePlugin/PluginFunctions.hh>

#include <OpenFlipper/common/GlobalOptions.hh>

#include "vsiPlugin.hh"

#include "baseWidget.hh"
#include "parser/context.hh"
#include "parser/element.hh"
#include "parser/input.hh"
#include "config/dynamicDialog.hh"

Q_EXPORT_PLUGIN2( VsiPlugin , VsiPlugin );

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

/// Constructor
VsiPlugin::VsiPlugin () :
  context_ (0),
  baseWidget_ (0)
{ 
}

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

/// Destructor
VsiPlugin::~ VsiPlugin()
{
  if (context_)
    delete context_;
  if (baseWidget_)
    delete baseWidget_;
}

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

/// Register in menubar
void VsiPlugin::pluginsInitialized ()
{
  if (OpenFlipper::Options::nogui ())
    return;

  QMenu *scriptingMenu;

  emit emit getMenubarMenu(tr("&Scripting"), scriptingMenu, true );

  QAction* showEditor = scriptingMenu->addAction ("Visual script editor");
  showEditor->setIcon( QIcon(OpenFlipper::Options::iconDirStr()+OpenFlipper::Options::dirSeparator()+"vsi_vsiEditor.png") );

  connect (showEditor, SIGNAL(triggered()) ,
           this      , SLOT(showScriptEditor()));
  
  emit addMenubarAction(showEditor, TOOLSMENU );

}

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

/// Show visual script editor
void VsiPlugin::showScriptEditor()
{
  initContext ();
  if (!baseWidget_)
  {
    baseWidget_ = VSI::BaseWidget::createBaseWidget (context_);
    connect (baseWidget_, SIGNAL (codeToScriptEditor (QString)),
             this, SLOT (showInScriptEditor(QString)));
  }

  baseWidget_->show ();
}

/// initalize context
void VsiPlugin::initContext()
{
  if (context_)
    return;

  QScriptEngine *engine;
  emit getScriptingEngine (engine);

  // empty context
  context_ = new VSI::Context (engine);

  // parse all metadata xml files
  QDir dir = OpenFlipper::Options::dataDir ();

  dir.cd ("VsiMetadata");

  if (!dir.exists ())
    return;

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  foreach (QString sub, dir.entryList(QDir::Dirs))
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  {
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    if (sub == "..")
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      continue;
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    QDir subdir = dir;
    subdir.cd (sub);
    subdir.makeAbsolute();
    
    foreach (QString file, subdir.entryList (QStringList("*.xml"), QDir::Files))
    {
      QFile f (subdir.filePath (file));
      if (!f.open (QIODevice::ReadOnly))
	continue;
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      context_->parse (f.readAll ());
    }
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  }
  
}

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

/// Gererates a dialog for the given element inputs
QScriptValue VsiPlugin::askForInputs(QString _element, QString _inputs)
{
  initContext ();

  VSI::Element *e = context_->element (_element);

  if (!e)
    return QScriptValue ();

  QVector<VSI::Input *> inputs;

  foreach (QString s, _inputs.split (",", QString::SkipEmptyParts))
    foreach (VSI::Input *i, e->inputs ())
    {
      if (i->name () == s)
      {
        inputs.append (i);
        break;
      }
    }

  if (inputs.isEmpty ())
    return QScriptValue ();

  VSI::DynamicDialog d (inputs);
  d.setWindowTitle (e->shortDescription () + " Input Configuration");
  d.exec ();

  QMap<QString, QString> results = d.getResults ();

  QString script = "inputs = { ";

  foreach (QString s, _inputs.split (",", QString::SkipEmptyParts))
    script += s + ": '" + results[s] + "',";

  script.remove (script.length () - 1, 1);

  script += "};";

  context_->scriptEngine ()->pushContext ();
  QScriptValue rv = context_->scriptEngine ()->evaluate (script);
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  context_->scriptEngine ()->globalObject ().setProperty ("inputs", rv);
  //rv = context_->scriptEngine ()->globalObject ().property ("inputs");
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  context_->scriptEngine ()->popContext ();

  return rv;
}

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

/// shows the given script in the textual script editor
void VsiPlugin::showInScriptEditor(QString _script)
{
  bool ok;

  emit functionExists ("scripting", "showScriptInEditor(QString)", ok);

  if (!ok)
    return;

  RPC::callFunction ("scripting", "showScriptInEditor", _script);
}

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

/// Scripting function, that displays a message box
void VsiPlugin::messageBox (QString _message)
{
  QMessageBox msgBox;
  msgBox.setText(_message);
  msgBox.exec();
}

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

/// Scripting function, that displays a Yes/No message box
bool VsiPlugin::questionBox (QString _message)
{
  QMessageBox msgBox;
  msgBox.setText(_message);
  msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
  msgBox.setDefaultButton(QMessageBox::Yes);
  int ret = msgBox.exec();
  if (ret == QMessageBox::Yes) 
    return true;
  return false;
}

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