$#include "File.h"
$#include "UIElement.h"

enum HorizontalAlignment
{
    HA_LEFT = 0,
    HA_CENTER,
    HA_RIGHT
};

enum VerticalAlignment
{
    VA_TOP = 0,
    VA_CENTER,
    VA_BOTTOM
};

enum Corner
{
    C_TOPLEFT = 0,
    C_TOPRIGHT,
    C_BOTTOMLEFT,
    C_BOTTOMRIGHT,
    MAX_UIELEMENT_CORNERS
};

enum Orientation
{
    O_HORIZONTAL = 0,
    O_VERTICAL
};

enum FocusMode
{
    FM_NOTFOCUSABLE = 0,
    FM_RESETFOCUS,
    FM_FOCUSABLE,
    FM_FOCUSABLE_DEFOCUSABLE
};

enum LayoutMode
{
    LM_FREE = 0,
    LM_HORIZONTAL,
    LM_VERTICAL
};

enum TraversalMode
{
    TM_BREADTH_FIRST = 0,
    TM_DEPTH_FIRST
};

static const unsigned DD_DISABLED;
static const unsigned DD_SOURCE;
static const unsigned DD_TARGET;
static const unsigned DD_SOURCE_AND_TARGET;

class UIElement : public Animatable
{
    UIElement();
    virtual ~UIElement();

    virtual const IntVector2& GetScreenPosition() const;

    bool LoadXML(Deserializer& source);
    bool SaveXML(Serializer& dest) const;
    tolua_outside bool UIElementLoadXML @ LoadXML(const String fileName);
    tolua_outside bool UIElementSaveXML @ SaveXML(const String fileName) const;

    bool FilterAttributes(XMLElement& dest) const;

    void SetName(const String name);

    void SetPosition(const IntVector2& position);
    void SetPosition(int x, int y);
    void SetSize(const IntVector2& size);
    void SetSize(int width, int height);
    void SetWidth(int width);
    void SetHeight(int height);
    void SetMinSize(const IntVector2& minSize);
    void SetMinSize(int width, int height);
    void SetMinWidth(int width);
    void SetMinHeight(int height);
    void SetMaxSize(const IntVector2& maxSize);
    void SetMaxSize(int width, int height);
    void SetMaxWidth(int width);
    void SetMaxHeight(int height);
    void SetFixedSize(const IntVector2& size);
    void SetFixedSize(int width, int height);
    void SetFixedWidth(int width);
    void SetFixedHeight(int height);
    void SetAlignment(HorizontalAlignment hAlign, VerticalAlignment vAlign);
    void SetHorizontalAlignment(HorizontalAlignment align);
    void SetVerticalAlignment(VerticalAlignment align);
    void SetClipBorder(const IntRect& rect);
    void SetColor(const Color& color);
    void SetColor(Corner corner, const Color& color);
    void SetPriority(int priority);
    void SetOpacity(float opacity);
    void SetBringToFront(bool enable);
    void SetBringToBack(bool enable);
    void SetClipChildren(bool enable);
    void SetSortChildren(bool enable);
    void SetUseDerivedOpacity(bool enable);
    void SetEnabled(bool enable);
    void SetDeepEnabled(bool enable);
    void ResetDeepEnabled();
    void SetEnabledRecursive(bool enable);
    void SetEditable(bool enable);
    void SetFocus(bool enable);
    void SetSelected(bool enable);
    void SetVisible(bool enable);
    void SetFocusMode(FocusMode mode);
    void SetDragDropMode(unsigned mode);

    bool SetStyle(const String styleName, XMLFile* file = 0);

    bool SetStyle(const XMLElement& element);
    bool SetStyleAuto(XMLFile* file = 0);
    void SetDefaultStyle(XMLFile* style);

    void SetLayout(LayoutMode mode, int spacing = 0, const IntRect& border = IntRect::ZERO);

    void SetLayoutMode(LayoutMode mode);
    void SetLayoutSpacing(int spacing);
    void SetLayoutBorder(const IntRect& border);
    void SetLayoutFlexScale(const Vector2& scale);
    void SetIndent(int indent);
    void SetIndentSpacing(int indentSpacing);
    void UpdateLayout();
    void DisableLayoutUpdate();
    void EnableLayoutUpdate();
    void BringToFront();

    UIElement* CreateChild(const String type, const String name = String::EMPTY, unsigned index = M_MAX_UNSIGNED);

    void AddChild(UIElement* element);
    void InsertChild(unsigned index, UIElement* element);
    void RemoveChild(UIElement* element, unsigned index = 0);
    void RemoveChildAtIndex(unsigned index);
    void RemoveAllChildren();
    void Remove();
    unsigned FindChild(UIElement* element) const;
    void SetParent(UIElement* parent, unsigned index = M_MAX_UNSIGNED);
    void SetVar(StringHash key, const Variant& value);
    void SetInternal(bool enable);
    void SetTraversalMode(TraversalMode traversalMode);
    void SetElementEventSender(bool flag);

    const String GetName() const;
    const IntVector2& GetPosition() const;
    const IntVector2& GetSize() const;
    int GetWidth() const;
    int GetHeight() const;
    const IntVector2& GetMinSize() const;
    int GetMinWidth() const;
    int GetMinHeight() const;
    const IntVector2& GetMaxSize() const;
    int GetMaxWidth() const;
    int GetMaxHeight() const;
    bool IsFixedSize() const;
    bool IsFixedWidth() const;
    bool IsFixedHeight() const;
    const IntVector2& GetChildOffset() const;
    HorizontalAlignment GetHorizontalAlignment() const;
    VerticalAlignment GetVerticalAlignment() const;
    const IntRect& GetClipBorder() const;
    const Color& GetColor(Corner corner) const;
    int GetPriority() const;
    float GetOpacity() const;
    float GetDerivedOpacity() const;
    bool GetBringToFront() const;
    bool GetBringToBack() const;
    bool GetClipChildren() const;
    bool GetSortChildren() const;
    bool GetUseDerivedOpacity() const;
    bool HasFocus() const;
    bool IsEnabled() const;
    bool IsEnabledSelf() const;
    bool IsEditable() const;
    bool IsSelected() const;
    bool IsVisible() const;
    bool IsHovering() const;
    bool IsInternal() const;
    bool HasColorGradient() const;
    FocusMode GetFocusMode() const;
    unsigned GetDragDropMode() const;
    const String GetAppliedStyle() const;
    XMLFile* GetDefaultStyle(bool recursiveUp = true) const;
    LayoutMode GetLayoutMode() const;
    int GetLayoutSpacing() const;
    const IntRect& GetLayoutBorder() const;
    const Vector2& GetLayoutFlexScale() const;
    unsigned GetNumChildren(bool recursive = false) const;
    int GetDragButtonCombo() const;
    unsigned GetDragButtonCount() const;

    UIElement* GetChild(const String name, bool recursive = false) const;
    UIElement* GetChild(unsigned index) const;

    UIElement* GetParent() const;
    UIElement* GetRoot() const;
    const Color& GetDerivedColor() const;
    const Variant& GetVar(StringHash key) const;
    const VariantMap& GetVars() const;
    IntVector2 ScreenToElement(const IntVector2& screenPosition);
    IntVector2 ElementToScreen(const IntVector2& position);
    bool IsInside(IntVector2 position, bool isScreen);
    bool IsInsideCombined(IntVector2 position, bool isScreen);

    IntRect GetCombinedScreenRect();
    void SortChildren();
    int GetIndent() const;
    int GetIndentSpacing() const;
    int GetIndentWidth() const;
    void SetChildOffset(const IntVector2& offset);
    void SetHovering(bool enable);
    const Color& GetColorAttr @ GetColor() const;
    TraversalMode GetTraversalMode() const;
    bool IsElementEventSender() const;
    UIElement* GetElementEventSender() const;

    tolua_readonly tolua_property__get_set IntVector2& screenPosition;
    tolua_property__get_set String name;
    tolua_property__get_set IntVector2& position;
    tolua_property__get_set IntVector2 size;
    tolua_property__get_set int width;
    tolua_property__get_set int height;
    tolua_property__get_set IntVector2 minSize;
    tolua_property__get_set int minWidth;
    tolua_property__get_set int minHeight;
    tolua_property__get_set IntVector2 maxSize;
    tolua_property__get_set int maxWidth;
    tolua_property__get_set int maxHeight;
    tolua_readonly tolua_property__is_set bool fixedSize;
    tolua_readonly tolua_property__is_set bool fixedWidth;
    tolua_readonly tolua_property__is_set bool fixedHeight;
    tolua_property__get_set IntVector2& childOffset;
    tolua_property__get_set HorizontalAlignment horizontalAlignment;
    tolua_property__get_set VerticalAlignment verticalAlignment;
    tolua_property__get_set IntRect clipBorder;
    tolua_property__get_set Color& colorAttr @ color;
    tolua_property__get_set int priority;
    tolua_property__get_set float opacity;
    tolua_readonly tolua_property__get_set float derivedOpacity;
    tolua_property__get_set bool bringToFront;
    tolua_property__get_set bool bringToBack;
    tolua_property__get_set bool clipChildren;
    tolua_property__get_set bool sortChildren;
    tolua_property__get_set bool useDerivedOpacity;
    tolua_property__has_set bool focus;
    tolua_property__is_set bool enabled;
    tolua_readonly tolua_property__is_set bool enabledSelf;
    tolua_property__is_set bool editable;
    tolua_property__is_set bool selected;
    tolua_property__is_set bool visible;
    tolua_property__is_set bool hovering;
    tolua_property__is_set bool internal;
    tolua_readonly tolua_property__has_set bool colorGradient;
    tolua_property__get_set FocusMode focusMode;
    tolua_property__get_set unsigned dragDropMode;
    tolua_property__get_set String style;
    tolua_property__get_set XMLFile* defaultStyle;
    tolua_property__get_set LayoutMode layoutMode;
    tolua_property__get_set int layoutSpacing;
    tolua_property__get_set IntRect& layoutBorder;
    tolua_property__get_set Vector2& layoutFlexScale;
    tolua_readonly tolua_property__get_set unsigned numChildren;
    tolua_property__get_set UIElement* parent;
    tolua_readonly tolua_property__get_set UIElement* root;
    tolua_readonly tolua_property__get_set Color& derivedColor;
    tolua_readonly tolua_property__get_set IntRect combinedScreenRect;
    tolua_property__get_set int indent;
    tolua_property__get_set int indentSpacing;
    tolua_readonly tolua_property__get_set int indentWidth;
    tolua_property__get_set TraversalMode traversalMode;
    tolua_property__is_set bool elementEventSender;
};

${
#define TOLUA_DISABLE_tolua_UILuaAPI_UIElement_new00
static int tolua_UILuaAPI_UIElement_new00(lua_State* tolua_S)
{
    return ToluaNewObject<UIElement>(tolua_S);
}

#define TOLUA_DISABLE_tolua_UILuaAPI_UIElement_new00_local
static int tolua_UILuaAPI_UIElement_new00_local(lua_State* tolua_S)
{
    return ToluaNewObjectGC<UIElement>(tolua_S);
}

static bool UIElementLoadXML(UIElement* element, const String& fileName)
{
    if (!element)
        return false;

    File file(element->GetContext());
    if (!file.Open(fileName, FILE_READ))
        return false;

    return element->LoadXML(file);
}

static bool UIElementSaveXML(const UIElement* element, const String& fileName)
{
    if (!element)
        return false;

    File file(element->GetContext());
    if (!file.Open(fileName, FILE_WRITE))
        return false;

    return element->SaveXML(file);
}

#define GetStyle GetAppliedStyle
#define SetColorAttr SetColor
$}