/* -*- 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/.

 */

#ifndef INCLUDED_SFX2_TEMPLATELOCALVIEW_HXX

#define INCLUDED_SFX2_TEMPLATELOCALVIEW_HXX

#include <sfx2/thumbnailview.hxx>

#include <functional>

#include <memory>

#include <set>

//template thumbnail item defines

#define TEMPLATE_ITEM_MAX_WIDTH 160

#define TEMPLATE_ITEM_MAX_HEIGHT 148

#define TEMPLATE_ITEM_PADDING 5

#define TEMPLATE_ITEM_MAX_TEXT_LENGTH 20

#define TEMPLATE_ITEM_THUMBNAIL_MAX_HEIGHT 96

//template thumbnail height with a subtitle

#define TEMPLATE_ITEM_MAX_HEIGHT_SUB 160

//template thumbnail image defines

#define TEMPLATE_THUMBNAIL_MAX_HEIGHT TEMPLATE_ITEM_THUMBNAIL_MAX_HEIGHT - 2*TEMPLATE_ITEM_PADDING

#define TEMPLATE_THUMBNAIL_MAX_WIDTH TEMPLATE_ITEM_MAX_WIDTH - 2*TEMPLATE_ITEM_PADDING

class SfxDocumentTemplates;

class TemplateContainerItem;

class TemplateViewItem;

struct TemplateItemProperties;

namespace weld { class Menu; }

enum class FILTER_APPLICATION

{

    NONE,

    WRITER,

    CALC,

    IMPRESS,

    DRAW

};

// Display template items depending on the generator application

class ViewFilter_Application final

{

public:

    ViewFilter_Application (FILTER_APPLICATION App)

        : mApp(App)

    {}

    bool operator () (const ThumbnailViewItem *pItem);

    static bool isFilteredExtension(FILTER_APPLICATION filter, std::u16string_view rExt);

    bool isValid (std::u16string_view rPath) const;

private:

    FILTER_APPLICATION mApp;

};

class TemplateLocalView : public ThumbnailView

{

    typedef bool (*selection_cmp_fn)(const ThumbnailViewItem*,const ThumbnailViewItem*);

public:

    TemplateLocalView(std::unique_ptr<weld::ScrolledWindow> xWindow,

                         std::unique_ptr<weld::Menu> xMenu);

    virtual ~TemplateLocalView () override;

    // Fill view with new item list

    void insertItems (const std::vector<TemplateItemProperties> &rTemplates, bool isRegionSelected = true, bool bShowCategoryInTooltip = false);

    // Fill view with template folders thumbnails

    void Populate ();

    void reload ();

    virtual void showAllTemplates ();

    void showRegion (TemplateContainerItem const *pItem);

    void ContextMenuSelectHdl(std::u16string_view  rIdent);

    TemplateContainerItem* getRegion(std::u16string_view sStr);

    sal_uInt16 getRegionId (size_t pos) const;

    sal_uInt16 getRegionId (std::u16string_view sRegionName) const;

    OUString getRegionName(const sal_uInt16 nRegionId) const;

    OUString getRegionItemName(const sal_uInt16 nItemId) const;

    std::vector<OUString> getFolderNames ();

    std::vector<TemplateItemProperties>

        getFilteredItems (const std::function<bool (const TemplateItemProperties&) > &rFunc) const;

    sal_uInt16 createRegion (const OUString &rName);

    bool renameRegion(std::u16string_view rTitle, const OUString &rNewTitle);

    bool removeRegion (const sal_uInt16 nItemId);

    bool removeTemplate (const sal_uInt16 nItemId, const sal_uInt16 nSrcItemId);

    void moveTemplates(const std::set<const TemplateViewItem*, selection_cmp_fn>& rItems,

                       const sal_uInt16 nTargetItem);

    bool copyFrom(TemplateContainerItem *pItem, const OUString &rPath);

    bool exportTo (const sal_uInt16 nItemId, const sal_uInt16 nRegionItemId, std::u16string_view rName);

    virtual bool renameItem(ThumbnailViewItem& rItem, const OUString& sNewTitle) override;

    virtual bool MouseButtonDown( const MouseEvent& rMEvt ) override;

    virtual bool Command(const CommandEvent& rPos) override;

    virtual bool KeyInput( const KeyEvent& rKEvt ) override;

    sal_uInt16 getCurRegionId () const { return mnCurRegionId;}

    void setCurRegionId (sal_uInt16 nCurRegionId) { mnCurRegionId = nCurRegionId;}

    void setOpenRegionHdl(const Link<void*,void> &rLink);

    void setCreateContextMenuHdl(const Link<TemplateViewItem*, void>& rLink);

    void setOpenTemplateHdl(const Link<const OUString&, void>& rLink);

    void setEditTemplateHdl(const Link<const OUString&, void>& rLink);

    void setDeleteTemplateHdl(const Link<void*,void> &rLink);

    void setDefaultTemplateHdl(const Link<ThumbnailViewItem*,void> &rLink);

    void setMoveTemplateHdl(const Link<void*,void> &rLink);

    void setExportTemplateHdl(const Link<void*,void> &rLink);

    void updateThumbnailDimensions(tools::Long itemMaxSize);

    void RemoveDefaultTemplateIcon( std::u16string_view rPath);

    bool IsBuiltInRegion(const OUString& rRegionName);

    static Bitmap scaleImg (const Bitmap &rImg, tools::Long width, tools::Long height);

    static Bitmap getDefaultThumbnail( std::u16string_view rPath );

    static Bitmap fetchThumbnail (const OUString &msURL, tools::Long width, tools::Long height);

    static bool IsDefaultTemplate(const OUString& rPath);

    static bool IsInternalTemplate(const OUString& rPath);

protected:

    virtual void OnItemDblClicked(ThumbnailViewItem *pItem) override;

    sal_uInt16 mnCurRegionId;

    TemplateViewItem* mpSelectedItem;

    tools::Long mnThumbnailWidth;

    tools::Long mnThumbnailHeight;

    Point maPosition; //store the point of click event

    Link<void*,void>              maOpenRegionHdl;

    Link<TemplateViewItem*, void> maCreateContextMenuHdl;

    Link<const OUString&, void> maOpenTemplateHdl;

    Link<const OUString&, void> maEditTemplateHdl;

    Link<void*,void> maDeleteTemplateHdl;

    Link<ThumbnailViewItem*,void> maDefaultTemplateHdl;

    Link<void*,void> maMoveTemplateHdl;

    Link<void*,void> maExportTemplateHdl;

    std::unique_ptr<SfxDocumentTemplates> mpDocTemplates;

    std::vector<std::unique_ptr<TemplateContainerItem> > maRegions;

    std::vector<TemplateItemProperties > maAllTemplates;

    std::unique_ptr<weld::Menu> mxContextMenu;

};

#endif // INCLUDED_SFX2_TEMPLATELOCALVIEW_HXX

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