pgpropertyfield_dropdown.h

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:15:57 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/include/pgpropertyfield_dropdown.h,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#ifndef PG_PROPERTYFIELD_DROPDOWN_H
#define PG_PROPERTYFIELD_DROPDOWN_H

#include "pgpropertyeditor_linefield.h"
#include "pgdropdown.h"

template<typename StringType, typename iterator = char*>
class PG_PropertyField_DropDown: public PG_PropertyEditor::PG_PropertyEditorField, public SigC::Object  {
private:
        StringType* myProperty;
        PG_DropDown* dropdown;

        bool click() {
                StringType value = dropdown->GetText();
                sigValueChanged(this,value);
                return true;
        }

        void init( PG_PropertyEditor* propertyEditor, const std::string& name ) {
                PG_Rect r = propertyEditor->RegisterProperty( name, this );
                dropdown = new PG_DropDown( propertyEditor, r, -1, propertyEditor->GetStyleName("DropDownSelectorProperty") );
                dropdown->SetEditable( false );
                dropdown->sigSelectItem.connect( SigC::slot(*this, &PG_PropertyField_DropDown::click));
        }

public:
        typedef PG_Signal2<PG_PropertyField_DropDown*, StringType> DropDownPropertySignal;
        DropDownPropertySignal sigValueChanged;
        DropDownPropertySignal sigValueApplied;

        PG_PropertyField_DropDown( PG_PropertyEditor* propertyEditor, const std::string& name, StringType* var, const char** names ) : myProperty( var ) {
                init( propertyEditor, name );

                int i = 0;
                while ( names[i] ) {
                        dropdown->AddItem( names[i] );
         if ( *var == names[i] )
                      dropdown->SelectItem( i );

                        ++i;
                }
        };

        PG_PropertyField_DropDown( PG_PropertyEditor* propertyEditor, const std::string& name, StringType* var, iterator begin, iterator end ) : myProperty( var ) {
                init( propertyEditor, name );

      int i = 0;
                while ( begin != end ) {
                        dropdown->AddItem( *begin );
         if ( *var == *begin )
                      dropdown->SelectItem( i );

                        ++begin;
         ++i;
                }
        };

        PG_PropertyField_DropDown( PG_PropertyEditor* propertyEditor, const std::string& name, const StringType& var, const char** names ) : myProperty( NULL ) {
                init( propertyEditor, name );

                int i = 0;
                while ( names[i] ) {
                        dropdown->AddItem( names[i] );
         if ( var == names[i] )
                      dropdown->SelectItem( i );

                        ++i;
                }
        };

        PG_PropertyField_DropDown( PG_PropertyEditor* propertyEditor, const std::string& name, const StringType& var, iterator begin, iterator end ) : myProperty( NULL ) {
                init( propertyEditor, name );

      int i = 0;
                while ( begin != end ) {
                        dropdown->AddItem( *begin );
         if ( *var == *begin )
                      dropdown->SelectItem( i );
                        ++begin;
         ++i;
                }
        };


        bool Valid() {
                return true;
        };

        bool Apply() {
                if ( myProperty )
                        *myProperty = dropdown->GetText();

                sigValueApplied( this, dropdown->GetText() );

                return true;
        };

        void Reload() {
      
                if ( myProperty )
                        dropdown->SetText( *myProperty );
         
        };
};


#endif

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