MRRibbonMenuItem.h

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#pragma once
#include "MRISceneStateCheck.h"
#include <string>
#include <memory>
 
namespace MR
{
 
using MenuItemsList = std::vector<std::string>;
 
enum class RibbonItemType
{
    Button,
    ButtonWithDrop
};
 
// class to hold menu items
// some information stored in json (icons path, tab name, subtab name)
class MRVIEWER_CLASS RibbonMenuItem : virtual public ISceneStateCheck
{
public:
    MR_DELETE_MOVE( RibbonMenuItem );
 
    MRVIEWER_API RibbonMenuItem( std::string name );
 
    virtual ~RibbonMenuItem() = default;
    
    // returns true if state of item changed
    virtual bool action() = 0;
    // for state items returns true if activated
    virtual bool isActive() const { return false; }
    // true if this item is blocking (only one blocking item can be active at once)
    virtual bool blocking() const { return false; }
 
    const std::string& name() const { return name_; }
    
    // can be overridden by some plugins with ui
    // it is used for highlighting active and closing plugins by Esc key
    // note that it is not RibbonSchema caption
    virtual const std::string& uiName() const { return name_; }
 
    void setRibbonItemType( RibbonItemType type ) { type_ = type; }
 
    // type of this item, base RibbonMenuItem can be only button
    virtual RibbonItemType type() const { return type_; }
 
    using DropItemsList = std::vector<std::shared_ptr<RibbonMenuItem>>;
 
    // set drop list by found in RibbonSchema items
    // !note also set type_ to ButtonWithDrop
    MRVIEWER_API void setDropItemsFromItemList( const MenuItemsList& itemsList );
 
    // returns list of stored ribbon items to drop
    // !note that this function can be called each frame for opened drop list
    virtual const DropItemsList& dropItems() const { return dropList_; }
 
    // return not-empty string with tooltip that shall replace the static tooltip from json
    virtual std::string getDynamicTooltip() const { return {}; }
 
protected:
    RibbonItemType type_{ RibbonItemType::Button };
    DropItemsList dropList_;
 
private:
    std::string name_; // key to find in holder and json
};
 
} // namespace MR