/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <memory>
#include "uiobject.hxx"

#include "Window.hxx"
#include "DrawViewShell.hxx"
#include "sdpage.hxx"

#include <svx/uiobject.hxx>

class ImpressSdrObject : public SdrUIObject
{
public:
    ImpressSdrObject(const VclPtr<sd::Window>& xImpressWin, const OUString& rName);

    SdrObject* get_object() override;

private:
    VclPtr<sd::Window> mxWindow;

    OUString maName;
};

namespace {

sd::DrawViewShell* getViewShell(const VclPtr<sd::Window>& xWindow)
{
    sd::DrawViewShell* pViewShell = dynamic_cast<sd::DrawViewShell*>(xWindow->GetViewShell());
    assert(pViewShell);

    return pViewShell;
}

OUString getObjectName(SdrObject const * pObject)
{
    if (pObject->GetName().isEmpty())
        return "Unnamed Drawinglayer object " + OUString::number(pObject->GetOrdNum());
    else
        return pObject->GetName();
}

SdrObject* getObject(const VclPtr<sd::Window>& xWindow, const OUString& rName)
{
    SdrPage* pPage = getViewShell(xWindow)->getCurrentPage();

    if (!pPage)
        return nullptr;

    size_t nObjs = pPage->GetObjCount();
    for (size_t i = 0; i < nObjs; ++i)
    {
        SdrObject* pObj = pPage->GetObj(i);
        if (rName == getObjectName(pObj))
            return pObj;
    }

    return nullptr;
}


}

ImpressSdrObject::ImpressSdrObject(const VclPtr<sd::Window>& xImpressWin, const OUString& rName):
    mxWindow(xImpressWin),
    maName(rName)
{
}

SdrObject* ImpressSdrObject::get_object()
{
    return getObject(mxWindow, maName);
}

ImpressWindowUIObject::ImpressWindowUIObject(const VclPtr<sd::Window>& xWindow):
    WindowUIObject(xWindow),
    mxWindow(xWindow)
{
}

StringMap ImpressWindowUIObject::get_state()
{
    StringMap aMap = WindowUIObject::get_state();

    aMap["SelectedText"] = getViewShell(mxWindow)->GetSelectionText(false);
    aMap["CurrentSlide"] = OUString::number(getViewShell(mxWindow)->GetCurPagePos() + 1);
    aMap["Zoom"] = OUString::number(getViewShell(mxWindow)->GetZoom());

    return aMap;
}

void ImpressWindowUIObject::execute(const OUString& rAction,
        const StringMap& rParameters)
{
    if (rAction == "SET")
    {
        if (rParameters.find("ZOOM") != rParameters.end())
        {
            auto itr = rParameters.find("ZOOM");
            OUString aVal = itr->second;
            sal_Int32 nVal = aVal.toInt32();
            getViewShell(mxWindow)->SetZoom(nVal);
        }
    }
    else if (rAction == "GOTO")
    {
        if (rParameters.find("PAGE") != rParameters.end())
        {
            auto itr = rParameters.find("PAGE");
            OUString aVal = itr->second;
            sal_Int32 nVal = aVal.toInt32();
            getViewShell(mxWindow)->SwitchPage(nVal);
        }
    }
    else if (rAction == "SELECT")
    {
        if (rParameters.find("OBJECT") != rParameters.end())
        {
            auto itr = rParameters.find("OBJECT");
            OUString aName = itr->second;
            SdrObject* pObj = getObject(mxWindow, aName);
            SdrPageView* pPageView = getViewShell(mxWindow)->GetView()->GetSdrPageView();
            getViewShell(mxWindow)->GetView()->MarkObj(pObj, pPageView);
        }
    }
    else if (rAction == "DESELECT")
    {
        getViewShell(mxWindow)->GetView()->UnMarkAll();
    }
    else
        WindowUIObject::execute(rAction, rParameters);
}

std::unique_ptr<UIObject> ImpressWindowUIObject::get_child(const OUString& rID)
{
    return std::unique_ptr<UIObject>(new ImpressSdrObject(mxWindow, rID));
}

std::set<OUString> ImpressWindowUIObject::get_children() const
{
    SdrPage* pPage = getViewShell(mxWindow)->getCurrentPage();

    std::set<OUString> aRet;
    if (!pPage)
        return aRet;

    size_t nObjs = pPage->GetObjCount();
    for (size_t i = 0; i < nObjs; ++i)
    {
        SdrObject* pObject = pPage->GetObj(i);
        aRet.insert(getObjectName(pObject));
    }

    return aRet;
}

OUString ImpressWindowUIObject::get_name() const
{
    return OUString("ImpressWindowUIObject");
}

std::unique_ptr<UIObject> ImpressWindowUIObject::create(vcl::Window* pWindow)
{
    sd::Window* pWin = dynamic_cast<sd::Window*>(pWindow);
    assert(pWin);
    return std::unique_ptr<UIObject>(new ImpressWindowUIObject(pWin));
}

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