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//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 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.
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//
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//  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.
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//
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//  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 Core - IMPLEMENTATION of Comunication with plugins
//
//=============================================================================


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

#include "Core.hh"

#include <QToolBox>

#include "OpenFlipper/BasePlugin/BaseInterface.hh"
#include "OpenFlipper/BasePlugin/ToolboxInterface.hh"
#include "OpenFlipper/BasePlugin/TextureInterface.hh"

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#include "OpenFlipper/BasePlugin/PluginFunctions.hh"

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//== IMPLEMENTATION ==========================================================
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//========================================================================================
// ===             Object List Communication                       =======================
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//========================================================================================

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/** This function is called by a plugin if it changed something in the object list (source,target,...). The information is passed to all plugins.
 * @param _identifier Id of the updated object
 */
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void Core::slotObjectUpdated(int _identifier) {
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  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
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        emit log(LOGINFO,"updatedObject( " + QString::number(_identifier) + " ) called by " +
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                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

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  // Disable redraws as everything here has to update the object only once
  OpenFlipper::Options::redrawDisabled(true);

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  // If we are called for a special object, we update it ourself so the Plugins dont need to do that.
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  BaseObject* object = 0;
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  if ( _identifier != -1 ) {
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    if ( !PluginFunctions::getObject(_identifier,object) ) {
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      emit log(LOGERR,"updated_objects called for non existing object with id : " + QString::number(_identifier) );
      return;
    }
  }

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  // just inform the plugins as we dont do anything else
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  emit signalObjectUpdated(_identifier);
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  if ( object != 0 )
    object->update();
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  // Reenable redraws
  OpenFlipper::Options::redrawDisabled(false);

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  resetScenegraph();
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  updateView();
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}

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 void Core::slotVisibilityChanged() {
    resetScenegraph();
    updateView();
 }

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 /** This function is called if the active object has changed. The information is passed to all plugins.
 */
 void Core::slotActiveObjectChanged()
 {
    // just inform the plugins as we dont do anything else
    emit activeObjectChanged();
 }

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//====================================================================================
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// ===             Toolbox handling                                   =================
//=====================================================================================
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 /** If the Toolbox is switched the toolboxActivated function of the each plugin that has a toolbox is called by this function.
  */
// void
// Core::slotToolboxSwitched(int _index)
// {
//    // Check all plugins
//    for ( uint i = 0 ; i < plugins.size(); ++i) {
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//       if (plugins[i].toolboxindex == -1)
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//          continue;
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//
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//       ToolboxInterface* toolboxPlugin = qobject_cast< ToolboxInterface * >(plugins[i].plugin);
//       if (! toolboxPlugin)
//          continue;
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//
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//       // Call the corresponding function of the plugins
//       if ( _index == plugins[i].toolboxindex ) {
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//            toolboxPlugin->toolboxActivated(true);
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//       } else {
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//            toolboxPlugin->toolboxActivated(false);
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//       }
//    }
// }

//========================================================================================
// ===             Texture Communication                       ===========================
//========================================================================================


/** Called by a plugin if it created a texture. The information is passed to all plugins. If a texture control plugin is available it has to react on the signal.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotAddTexture( QString _textureName , QString _filename, uint _dimension) {
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  emit addTexture(_textureName , _filename,_dimension);
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}

/** Called by a plugin if a texture has to be updated. The information is passed to all plugins. The Plugin providing the given Texture should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotUpdateTexture( QString _name , int _identifier){
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  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGINFO,"slotUpdateTexture( "  + _name + " , " + QString::number(_identifier) + " ) called by " +
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }

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  emit updateTexture(_name, _identifier);
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}

/** Called by a plugin if all textures should be updated. The information is passed to all plugins. All plugins providing textures should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotUpdateAllTextures( ){
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  emit updateAllTextures();
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}

/** Called by a plugin if the parameters of a texture should be changed. The information is passed to all plugins. A Texturecontrol plugin should react on this event.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotSetTextureMode(QString _textureName ,QString _mode) {
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  emit setTextureMode(_textureName,_mode);
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}

/** Called by a plugin if it updated a texture. The information is passed to all plugins. If a texture control plugin is available it has to react on the signal and update the visualization of the texture.\n
 * See in the documentation of the texture plugin interfaces for further detail.
*/
void Core::slotTextureUpdated( QString _textureName , int _identifier ) {
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  if ( OpenFlipper::Options::doSlotDebugging() ) {
    if ( sender() != 0 ) {
      if ( sender()->metaObject() != 0 ) {
        emit log(LOGINFO,"slotTextureUpdated( " + _textureName + " , " + QString::number(_identifier) + " ) called by " +
                 QString( sender()->metaObject()->className() ) );
      }
    }
  }
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  emit updatedTextures(_textureName,_identifier);
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}

/** Called by plugins if texture mode should be switched
 */
void Core::slotSwitchTexture( QString _textureName ) {
  emit switchTexture(_textureName);
}

//========================================================================================
// ===             Backup Communication                       ============================
//========================================================================================

/// Called if a backup is requested by the plugins
void Core::backupRequest( int _id , QString _name ) {
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  emit createBackup(  _id , _name , nextBackupId_);
  ++nextBackupId_;
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}





//=============================================================================