viewModeWidget.cc 23 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *      Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen      *
 *                           www.openflipper.org                             *
 *                                                                           *
 *---------------------------------------------------------------------------*
 *  This file is part of OpenFlipper.                                        *
 *                                                                           *
 *  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 with the              *
 *  following exceptions:                                                    *
 *                                                                           *
 *  If other files instantiate templates or use macros                       *
 *  or inline functions from this file, or you compile this file and         *
 *  link it with other files to produce an executable, this file does        *
 *  not by itself cause the resulting executable to be covered by the        *
 *  GNU Lesser General Public License. This exception does not however       *
 *  invalidate any other reasons why the executable file might be            *
 *  covered by the GNU Lesser General Public License.                        *
 *                                                                           *
 *  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 LesserGeneral Public          *
 *  License along with OpenFlipper. If not,                                  *
 *  see <http://www.gnu.org/licenses/>.                                      *
 *                                                                           *
\*===========================================================================*/

/*===========================================================================*\
 *                                                                           *
 *   $Revision$                                                         *
 *   $Author$                                                      *
 *   $Date$                   *
 *                                                                           *
\*===========================================================================*/
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#include "viewModeWidget.hh"
#include <OpenFlipper/widgets/coreWidget/CoreWidget.hh>
#include <OpenFlipper/common/GlobalOptions.hh>

#include <QInputDialog>
#include <QMessageBox>

/// Constructor
viewModeWidget::viewModeWidget(const QVector< ViewMode* >& _modes, QWidget *_parent)
  : QDialog(_parent),
    modes_(_modes)
{
  setupUi(this);


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  connect(viewModeList, SIGNAL(itemSelectionChanged()), this, SLOT(slotSetToolWidgets()));
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  connect(viewModeList, SIGNAL(currentTextChanged (QString)), this, SLOT(slotModeChanged(QString)) );
  connect(viewModeList, SIGNAL(clicked (QModelIndex)), this, SLOT(slotModeClicked(QModelIndex)) );
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  // View Mode buttons
  connect(removeButton, SIGNAL(clicked()), this, SLOT(slotRemoveMode()));
  connect(copyButton, SIGNAL(clicked()), this, SLOT(slotCopyMode()));
  connect(addButton, SIGNAL(clicked()), this, SLOT(slotAddMode()));
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  // View Mode List context Menu
  viewModeList->setContextMenuPolicy(Qt::CustomContextMenu);
  connect(viewModeList ,SIGNAL(customContextMenuRequested ( const QPoint &  )  ),
          this         ,SLOT(slotModeContextMenu ( const QPoint & ) ));
  
  
  // Context Menus Toolbars
  toolbarList->setContextMenuPolicy(Qt::CustomContextMenu);
  availableToolbars->setContextMenuPolicy(Qt::CustomContextMenu);
  connect(toolbarList ,SIGNAL(customContextMenuRequested ( const QPoint &  )  ),
          this        ,SLOT(slotUsedToolbarContextMenu ( const QPoint & ) )); 
  connect(availableToolbars ,SIGNAL(customContextMenuRequested ( const QPoint &  )  ),
          this        ,SLOT(slotAvailableToolbarContextMenu ( const QPoint & ) )); 
  
  
  // Context Menus Toolboxes
  toolboxList->setContextMenuPolicy(Qt::CustomContextMenu);
  availableToolboxes->setContextMenuPolicy(Qt::CustomContextMenu);
  connect(toolboxList ,SIGNAL(customContextMenuRequested ( const QPoint &  )  ),
          this        ,SLOT(slotUsedToolboxContextMenu ( const QPoint & ) )); 
  connect(availableToolboxes ,SIGNAL(customContextMenuRequested ( const QPoint &  )  ),
          this        ,SLOT(slotAvailableToolboxContextMenu ( const QPoint & ) )); 
          
  
  // Toolbar Buttons to add remove toolbars to the given Mode
  connect(rightArrowToolbar, SIGNAL(clicked()), this, SLOT(slotRightArrowToolbar()) );
  rightArrowToolbar->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-right.png" ) );
  connect(leftArrowToolbar, SIGNAL(clicked()), this, SLOT(slotLeftArrowToolbar()) );
  leftArrowToolbar->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-left.png" ) );
  
  
  // Toolbar Buttons to add remove toolbars to the given Mode
  connect(rightArrowToolbox, SIGNAL(clicked()), this, SLOT(slotRightArrowToolbox()) );
  rightArrowToolbox->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-right.png" ) );
  connect(leftArrowToolbox, SIGNAL(clicked()), this, SLOT(slotLeftArrowToolbox()) );
  leftArrowToolbox->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-left.png" ) );  
  
  connect(upButton, SIGNAL(clicked()), this, SLOT(slotMoveUp()) );
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  upButton->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-up.png" ) );
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  connect(downButton, SIGNAL(clicked()), this, SLOT(slotMoveDown()) );
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  downButton->setIcon( QIcon(OpenFlipper::Options::iconDirStr() + OpenFlipper::Options::dirSeparator() + "arrow-down.png" ) );
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  // General Buttons
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  // Apply currently configured Mode
  connect(okButton, SIGNAL(clicked()), this, SLOT(slotChangeView()));
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  connect(cancelButton, SIGNAL(clicked()), this, SLOT(close()));
  connect(saveButton, SIGNAL(clicked()), this, SLOT(slotSaveMode()));
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}


// =======================================================================================================
// View Mode button slots
// =======================================================================================================
void viewModeWidget::slotRemoveMode(){
  emit removeMode( viewModeList->currentItem()->text() );
  QListWidgetItem* item =  viewModeList->takeItem( viewModeList->currentRow() );
  delete item;
}

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void viewModeWidget::slotCopyMode(){
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  // Find currently selected Mode
  // Search for current mode 
  int id = -1;
  if ( viewModeList->selectedItems().count() > 0) 
    for (int i=0; i < modes_.size(); i++)
      if (modes_[i]->name == viewModeList->currentItem()->text()){
        id = i;
        break;
      }
      
  if ( id == -1 ) {
    std::cerr << "Currently selected Mode not found?!" << std::endl; 
    return;
  }
  
  //ask for a name for the new viewmode as it is not a custom one
  bool ok;
  QString name = QInputDialog::getText(this, tr("Copy View Mode"),
                                             tr("Please enter a name for the new View Mode"), QLineEdit::Normal,
                                                "", &ok);
                     
  // Check if valid                                                
  if (!ok || name.isEmpty()) {
    QMessageBox::warning(this, tr("Copy View Mode"), tr("Please enter a Name"), QMessageBox::Ok);
    return; 
  }
  
  //check if name already exists
  for (int i=0; i < modes_.size(); i++)
    if (modes_[i]->name == name){
      QMessageBox::warning(this, tr("Copy View Mode"), tr("Cannot Copy ViewMode. New Name already in use for a different mode."), QMessageBox::Ok);
      return;
    }
  
  emit saveMode(name, true, modes_[id]->visibleToolboxes, modes_[id]->visibleToolbars);      
  
  QListWidgetItem *item = new QListWidgetItem(viewModeList);
  item->setTextAlignment(Qt::AlignHCenter);
  item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
  item->setIcon(QIcon(OpenFlipper::Options::iconDirStr() + QDir::separator () + "Unknown.png"));
  item->setText(name);
  
  item->setForeground( QBrush(QColor(0,0,150) ) );
  
  slotSetToolWidgets();
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}

void viewModeWidget::slotAddMode(){
  std::cerr << "Todo: Add Mode" << std::endl;
}

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// =======================================================================================================
// View Mode Context Menu
// =======================================================================================================
void viewModeWidget::slotModeContextMenu ( const QPoint & _pos ){
  
  if (viewModeList->itemAt(_pos)){
    
    QMenu menu(0);
    
    menu.addAction(tr("Remove Mode"), this, SLOT ( slotRemoveMode() ));
    
    //check if mode is custom e.g. that it can be removed
    for (int i=0; i < modes_.size(); i++)
      if (modes_[i]->name == viewModeList->currentItem()->text()){
        menu.actions()[0]->setEnabled(modes_[i]->custom);
        break;
      }
      
    menu.exec(viewModeList->mapToGlobal( _pos) );
  }
}

// =======================================================================================================
// ToolBox and ToolBar Lists update functions
// =======================================================================================================
void viewModeWidget::slotSetToolWidgets(){
  toolboxList->clear();
  toolbarList->clear();
  availableToolboxes->clear();
  availableToolbars->clear();
  
  QStringList toolboxes;
  QStringList toolbars;
  
  //iterate over all selected modes
  for (int m=0; m < viewModeList->selectedItems().size(); m++)
    
    // find mode in modeVector modes_
    for (int i=0; i < modes_.size(); i++)
      if ( modes_[i]->name == (viewModeList->selectedItems()[m])->text() ) {
        toolboxes = modes_[i]->visibleToolboxes;
        toolbars = modes_[i]->visibleToolbars;
        toolboxList->addItems(toolboxes); //add corresponding widgets
        toolbarList->addItems(toolbars);
        break;
      }
      
      
      if ( !modes_.empty() ) {
        QStringList allToolboxes = modes_[0]->visibleToolboxes;
        QStringList allToolbars  = modes_[0]->visibleToolbars;
        
        QStringList availableToolboxList;
        QStringList availableToolbarList;
        
        for ( int i = 0; i < allToolboxes.size(); ++i ) {
          if ( ! toolboxes.contains(allToolboxes[i]) ) 
            availableToolboxList.push_back(allToolboxes[i]);
        }
        
        for ( int i = 0; i < allToolbars.size(); ++i ) {
          if ( ! toolbars.contains(allToolbars[i]) ) 
            availableToolbarList.push_back(allToolbars[i]);
        }
        
        availableToolboxes->addItems(availableToolboxList);
        availableToolbars->addItems(availableToolbarList);
        
      } else {
        std::cerr << "Mode not found!" << std::endl;
      }
      
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}

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// =======================================================================================================
// ToolBar Context Menus Buttons
// =======================================================================================================

/// opens custom context menu in used toolbox-List
void viewModeWidget::slotUsedToolbarContextMenu ( const QPoint & _pos ){
  
  if (toolboxList->itemAt(_pos)){
    
    QMenu menu(0);
    
    if ( toolbarList->selectedItems().count() != 0 )
      menu.addAction(tr("Remove"), this, SLOT ( slotRightArrowToolbar() ));
    
    menu.exec(toolbarList->mapToGlobal( _pos) );
  }
}

/// opens custom context menu in available toolbox-List
void viewModeWidget::slotAvailableToolbarContextMenu ( const QPoint & _pos ){
  
  if (availableToolbars->itemAt(_pos)){
    
    QMenu menu(0);
    
    if ( availableToolbars->selectedItems().count() != 0 )
      menu.addAction(tr("Add"), this, SLOT ( slotLeftArrowToolbar() ));
    
    menu.exec(availableToolbars->mapToGlobal( _pos) );
  }
}

// =======================================================================================================
// ToolBox Context Menus Buttons
// =======================================================================================================

/// opens custom context menu in used toolbox-List
void viewModeWidget::slotUsedToolboxContextMenu ( const QPoint & _pos ){
  
  if (toolboxList->itemAt(_pos)){
    
    QMenu menu(0);
    
    if (toolboxList->selectedItems().count() == 1){
      menu.addAction(tr("Move up"), this, SLOT ( slotMoveUp() ));
      menu.addAction(tr("Move down"), this, SLOT ( slotMoveDown() ));
      menu.addSeparator();
    }
    
    if ( toolboxList->selectedItems().count() != 0 )
      menu.addAction(tr("Remove"), this, SLOT ( slotRightArrowToolbox() ));
    
    menu.exec(toolboxList->mapToGlobal( _pos) );
  }
}

/// opens custom context menu in available toolbox-List
void viewModeWidget::slotAvailableToolboxContextMenu ( const QPoint & _pos ){
  
  if (availableToolboxes->itemAt(_pos)){
    
    QMenu menu(0);
    
    if ( availableToolboxes->selectedItems().count() != 0 )
      menu.addAction(tr("Add"), this, SLOT ( slotLeftArrowToolbox() ));
    
    menu.exec(availableToolboxes->mapToGlobal( _pos) );
  }
}


// =======================================================================================================
// ToolBar Buttons
// =======================================================================================================

void viewModeWidget::slotRightArrowToolbar() {
  QList<QListWidgetItem *> selectedItems = toolbarList->selectedItems ();
  for ( int i = 0 ; i < selectedItems.size(); ++i ) 
    availableToolbars->addItem(selectedItems[i]->text());

  qDeleteAll(selectedItems);
}

void viewModeWidget::slotLeftArrowToolbar() {
  QList<QListWidgetItem *> selectedItems = availableToolbars->selectedItems ();
  for ( int i = 0 ; i < selectedItems.size(); ++i ) 
    toolbarList->addItem(selectedItems[i]->text());
  
  qDeleteAll(selectedItems);
}

// =======================================================================================================
// ToolBox Buttons
// =======================================================================================================

void viewModeWidget::slotRightArrowToolbox() {
  QList<QListWidgetItem *> selectedItems = toolboxList->selectedItems ();
  for ( int i = 0 ; i < selectedItems.size(); ++i ) 
    availableToolboxes->addItem(selectedItems[i]->text());
  
  qDeleteAll(selectedItems);
}

void viewModeWidget::slotLeftArrowToolbox() {
  QList<QListWidgetItem *> selectedItems = availableToolboxes->selectedItems ();
  for ( int i = 0 ; i < selectedItems.size(); ++i ) 
    toolboxList->addItem(selectedItems[i]->text());
  
  qDeleteAll(selectedItems);
}


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/// Move Widget up in the list
void viewModeWidget::slotMoveUp(){
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  if (toolboxList->selectedItems().count() == 1){
    if (toolboxList->currentRow() == 0) return;
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    //extract a list of all items
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    QString item = toolboxList->currentItem()->text();
    int oldRow = toolboxList->currentRow();
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    QStringList widgets;
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    for (int i=0; i < toolboxList->count(); i++)
      widgets << toolboxList->item(i)->text();
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    //reorder items
    QString last = widgets[0];
    for (int i=1; i < widgets.size(); i++){
      if (widgets[i] == item){
        widgets[i] = last;
        widgets[i-1] = item;
      }
      last = widgets[i];
    }
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    // set new list as elements for the toolboxList
    toolboxList->clear();
    toolboxList->addItems(widgets);
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    //highlight active item
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    toolboxList->setCurrentRow(oldRow-1);
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  }
}

/// Move widget do in the list
void viewModeWidget::slotMoveDown(){
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  if (toolboxList->selectedItems().count() == 1){
    if (toolboxList->currentRow() == toolboxList->count()-1) return;
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    //extract a list of all items
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    QString item = toolboxList->currentItem()->text();
    int oldRow = toolboxList->currentRow();
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    QStringList widgets;
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    for (int i=0; i < toolboxList->count(); i++)
      widgets << toolboxList->item(i)->text();
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    //reorder items
    QString last = widgets[widgets.size()-1];
    for (int i=widgets.size()-2; i >= 0; i--){
      if (widgets[i] == item){
        widgets[i] = last;
        widgets[i+1] = item;
      }
      last = widgets[i];
    }
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    // set new list as elements for the toolboxList
    toolboxList->clear();
    toolboxList->addItems(widgets);
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    //highlight active item
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    toolboxList->setCurrentRow(oldRow+1);
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  }
}


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// =======================================================================================================
// External communication
// =======================================================================================================

/// Slot for changing View and closing widget
void viewModeWidget::slotChangeView(){
  //get toolboxes
  QStringList toolboxes;
  for (int i=0; i < toolboxList->count(); i++)
    toolboxes << toolboxList->item(i)->text();
  
  //get toolbars
  QStringList toolbars;
  for (int i=0; i < toolbarList->count(); i++)
    toolbars << toolbarList->item(i)->text();
  
  //get mode
  QString mode = "";
  if (viewModeList->selectedItems().size() > 0)
    mode = viewModeList->selectedItems()[0]->text();
  
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  // Check current configuration if it is a changed view mode
  
  // Search for current mode 
  int id = -1;
  if ( viewModeList->selectedItems().count() > 0) 
    for (int i=0; i < modes_.size(); i++)
      if (modes_[i]->name == viewModeList->currentItem()->text()){
        id = i;
        break;
      }
      
  if ( id == -1 ) {
    std::cerr << "Currently selected Mode not found?!" << std::endl; 
    return;
  }
  
  bool matching = true;
  // Check if toolbox list matches:
  if ( modes_[id]->visibleToolboxes.size() == toolboxes.size() ) {
    for ( int i = 0 ; i < modes_[id]->visibleToolboxes.size(); ++i  ) 
      if ( modes_[id]->visibleToolboxes[i] != toolboxes[i] )
        matching = false;
  } else {
      matching = false;
  }
  
  // Check if toolbar list matches:
  if ( modes_[id]->visibleToolbars.size() == toolbars.size() ) {
    for ( int i = 0 ; i < modes_[id]->visibleToolbars.size(); ++i  ) 
      if ( modes_[id]->visibleToolbars[i] != toolbars[i] )
        matching = false;
  } else {
    matching = false;
  }
  
  if ( !matching ) {
    int ret = QMessageBox::warning(this, 
                                   tr("Mode has been changed!"),
                                   tr("You changed the view mode configuration. Do you want to save it?"),
                                   QMessageBox::Yes|QMessageBox::No,
                                   QMessageBox::No);
    if (ret == QMessageBox::Yes) 
      slotSaveMode();
    
  }
  
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  emit changeView(mode,toolboxes,toolbars);
  close();
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}

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/// Slot for saving current List of Widgets as custom mode
void viewModeWidget::slotSaveMode(){
  // Search for current mode vector
  int id = -1;
  if ( viewModeList->selectedItems().count() > 0) 
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    for (int i=0; i < modes_.size(); i++)
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      if (modes_[i]->name == viewModeList->currentItem()->text()){
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        id = i;
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        break;
      }
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  if ( id == -1 ) {
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    std::cerr << "Mode Not found in slotSaveMode" << std::endl;
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    return;
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  }
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  // Get Toolboxes
  QStringList toolboxes;
  for (int i=0; i < toolboxList->count(); i++)
    toolboxes << toolboxList->item(i)->text();
  
  // Get Toolbars
  QStringList toolbars;
  for (int i=0; i < toolbarList->count(); i++)
    toolbars << toolbarList->item(i)->text();
   
  bool  createNewMode = false;

  QString message = tr("You cannot change predefined modes.\n"
                       "Please enter a new Name for the mode.");
  
  // Check if we want to create a new node.
  if ( ! modes_[id]->custom ) {
    createNewMode = true;
    
  } else {
    int ret = QMessageBox::warning(this, 
                                   tr("View Mode exists"),
                                   tr("View Mode already exists. Do you want to overwrite it?"),
                                   QMessageBox::Yes|QMessageBox::No,
                                   QMessageBox::No);
    if (ret == QMessageBox::No) {
      message = tr("New name for view mode:");
      createNewMode = true;
    }
  }
  
  
  if ( createNewMode ) {
    
    //ask for a name for the new viewmode as it is not a custom one
    bool ok;
    QString name = QInputDialog::getText(this, tr("Save view Mode"),
                                               message, QLineEdit::Normal,
                                                  "", &ok);
                                                    
    //Remove Spaces from name
    if (!ok || name.isEmpty()) {
      std::cerr << "Illegal or no name given!" << std::endl;
      return; 
    }
    
    //check if name already exists
    for (int i=0; i < modes_.size(); i++)
      if (modes_[i]->name == name){
        QMessageBox::warning(this, tr("Save View Mode"), tr("Cannot Save ViewMode. Name already taken by a different mode."), QMessageBox::Ok);
        return;
      }
      
    emit saveMode(name, true, toolboxes, toolbars);
    show(name);      
  } else {
    emit saveMode(modes_[id]->name, true, toolboxes, toolbars);
    show(modes_[id]->name);    
  }
  
}  

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/// overloaded show function
void viewModeWidget::show(QString _lastMode){
  QDialog::show();
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  //fill viewModeList
  viewModeList->clear();
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  for (int i=0; i < modes_.size(); i++){
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    QListWidgetItem *item = new QListWidgetItem(viewModeList);
    item->setTextAlignment(Qt::AlignHCenter);
    item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
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    item->setIcon(QIcon(OpenFlipper::Options::iconDirStr() + QDir::separator () + modes_[i]->icon));
    
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    item->setText(modes_[i]->name);
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    if (modes_[i]->custom)
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      viewModeList->item(i)->setForeground( QBrush(QColor(0,0,150) ) );
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    else
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      viewModeList->item(i)->setForeground( QBrush(QColor(0,0,0) ) );
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  }
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  //select given mode
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  viewModeList->setCurrentRow(0);
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  for (int i=0; i < viewModeList->count(); i++)
    if (viewModeList->item(i)->text() == _lastMode)
      viewModeList->setCurrentRow(i);
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    removeButton->setEnabled(false);
}

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/// Slot for updating removeButton when new mode is selected
void viewModeWidget::slotModeClicked(QModelIndex /*_id*/){
  slotModeChanged(QString());
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}

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/// Slot for updating removeButton when new mode is selected
void viewModeWidget::slotModeChanged(QString /*_mode*/){
  //check if mode is custom e.g. that it can be removed
  if (viewModeList->selectedItems().count() > 0){
    for (int i=0; i < modes_.size(); i++)
      if (modes_[i]->name == viewModeList->currentItem()->text()){
        removeButton->setEnabled(modes_[i]->custom);
        break;
      }
  }
}