docmanager.h

/***************************************************************************
 *   Copyright (C) 2005 by David Saxton                                    *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 ***************************************************************************/

#ifndef DOCMANAGER_H
#define DOCMANAGER_H

#include <kurl.h>
#include <qguardedptr.h>

class CircuitDocument;
class DocManager;
class DocManagerIface;
class Document;
class FlowCodeDocument;
class KTechlab;
class MechanicsDocument;
class TextDocument;
class View;
class ViewArea;

class KAction;

typedef QValueList<Document*> DocumentList;
typedef QMap< KURL, Document* > URLDocumentMap;
typedef QValueList<KAction*> KActionList;

class DocManager : public QObject
{
Q_OBJECT
public:
        static DocManager * self( KTechlab * ktechlab = 0 );
        ~DocManager();
        
        bool closeAll();
        void gotoTextLine( const KURL &url, int line );
        Document* openURL( const KURL &url, ViewArea *viewArea = 0 );
        View *getFocusedView() const { return p_focusedView; }
        Document *getFocusedDocument() const;
        QString untitledName( int type );
        Document *findDocument( const KURL &url ) const;
        void associateDocument( const KURL &url, Document *document );
        void giveDocumentFocus( Document * toFocus, ViewArea * viewAreaForNew = 0 );
        void removeDocumentAssociations( Document *document );
        void disableContextActions();
        
public slots:
        TextDocument *createTextDocument();
        CircuitDocument *createCircuitDocument();
        FlowCodeDocument *createFlowCodeDocument();
        MechanicsDocument *createMechanicsDocument();
        
signals:
        void fileOpened( const KURL &url );
        
protected slots:
        void slotViewFocused( View *view );
        void slotViewUnfocused();
        void documentDestroyed( QObject *obj );
        
protected:
        void handleNewDocument( Document *document, ViewArea *viewArea = 0 );
        View *createNewView( Document *document, ViewArea *viewArea = 0 );
        CircuitDocument *openCircuitFile( const KURL &url, ViewArea *viewArea = 0 );
        FlowCodeDocument *openFlowCodeFile( const KURL &url, ViewArea *viewArea = 0 );
        MechanicsDocument *openMechanicsFile( const KURL &url, ViewArea *viewArea = 0 );
        TextDocument *openTextFile( const KURL &url, ViewArea *viewArea = 0 );
        
        DocumentList m_documentList;
        URLDocumentMap m_associatedDocuments;
        
        // Keeps track of how many 
        // new files have been made
        // for the purpose of making 
        // titles of the form Untitled (n)
        int m_countCircuit;
        int m_countFlowCode;
        int m_countMechanics;
        int m_countOther;
        
        KTechlab * const p_ktechlab;
        QGuardedPtr<View> p_focusedView;
        QGuardedPtr<Document> p_connectedDocument;
        DocManagerIface *m_pIface;
        unsigned m_nextDocumentID;
        
private:
        DocManager( KTechlab *ktechlab );
        static DocManager * m_pSelf;
};

#endif

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