/*
 * Copyright 2006-2007, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */


#include "Document.h"

#include "CommandStack.h"
#include "DocumentSaver.h"
#include "Icon.h"
#include "Selection.h"

#include <Entry.h>

#include <new>
#include <stdio.h>


using std::nothrow;
_USING_ICON_NAMESPACE


// constructor
Document::Document(const char* name)
        : RWLocker("document rw lock"),
          fIcon(new (nothrow) _ICON_NAMESPACE Icon()),
          fCommandStack(new (nothrow) ::CommandStack()),
          fSelection(new (nothrow) ::Selection()),

          fName(name),

          fNativeSaver(NULL),
          fExportSaver(NULL)
{
}

// destructor
Document::~Document()
{
        delete fCommandStack;
        delete fSelection;
        fIcon->ReleaseReference();
        delete fNativeSaver;
        delete fExportSaver;
}

// SetName
void
Document::SetName(const char* name)
{
        if (fName == name)
                return;

        fName = name;
        Notify();
}

// Name
const char*
Document::Name() const
{
        return fName.String();
}

// SetNativeSaver
void
Document::SetNativeSaver(::DocumentSaver* saver)
{
        delete fNativeSaver;
        fNativeSaver = saver;
}

// SetExportSaver
void
Document::SetExportSaver(::DocumentSaver* saver)
{
        delete fExportSaver;
        fExportSaver = saver;
}

// SetIcon
void
Document::SetIcon(_ICON_NAMESPACE Icon* icon)
{
        if (fIcon == icon)
                return;

        fIcon->ReleaseReference();

        fIcon = icon;

        // we don't acquire, since we own the icon
}

// MakeEmpty
void
Document::MakeEmpty(bool includingSavers)
{
        fCommandStack->Clear();
        fSelection->DeselectAll();
        fIcon->MakeEmpty();

        if (includingSavers) {
                delete fNativeSaver;
                fNativeSaver = NULL;
                delete fExportSaver;
                fExportSaver = NULL;
        }
}

// IsEmpty
bool
Document::IsEmpty() const
{
        return fIcon->Styles()->CountItems() == 0
                && fIcon->Paths()->CountItems() == 0
                && fIcon->Shapes()->CountItems() == 0;
}