presets.h

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#ifndef LWPP_PRESETS_H
#define LWPP_PRESETS_H

#include <lwpp/io.h>
#include <lwpp/wrapper.h>
#include <lwpp/message.h>
#include <lwpp/file_request.h>

namespace lwpp
{
  class PresetHandler
  {
  public:
    virtual ~PresetHandler() {}
    virtual LWError LoadPreset(lwpp::LoadState& ss) = 0;
    virtual LWError SavePreset(lwpp::SaveState& ls) = 0;
  };

  class PresetEntry
  {
    std::string name;
    std::string filename;
    std::string gui_name;
    std::string catName;
  public:
    static int longest;
    PresetEntry(const char *f, const char *n, std::string tName);
    const char *GetName() {return name.c_str();}
    const char *GetGuiName();
    const char *GetFileName() {return filename.c_str();}
  };

  class PresetCollection :  public PopUpCallback, public std::vector<PresetEntry>
  {
    protected:
      virtual size_t popCount(void);
      virtual const char *popName(int n);
    public:
      static bool showDecorated;
      void AddEntry(const char *file, const char *name, std::string type)
      {
        push_back(PresetEntry(file, name, type));
      }
      const char *GetName(int n) {return popName(n);}
  };

  class SimplePreset : public PopUpCallback, public PopCmdCallback<SimplePreset>
  {
    const char *plug_name;
    const char *plug_type;
    PresetHandler *handler;
    int controlID;
    PresetCollection Presets;
    XPanel xpanel;
    FileRequest2 loadReq, saveReq;
    bool isPreset(std::string filename);
  protected:
    virtual size_t popCount(void);
    virtual const char *popName(int n);
    void ScanPresets(std::string path);
    void doLoadPreset(const char *filename, bool quiet = false);
    void doSavePreset();
    void doDeletePreset();
    void doSaveAsPreset();
    void doLoadFromPreset();
    LWError LoadPreset(lwpp::LoadState& ss, std::string &name);
    LWError SavePreset(lwpp::SaveState& ls, std::string name);
    std::string makeFileName(std::string name, int type);
    std::string makeFilePath(std::string name);
    std::string grabPresetName(std::string filename, std::string name);
  public:
    SimplePreset(const char *type, const char *name);
    void SetHandler(PresetHandler *inst);
    LWError Setup(XPanel& panel, int control);
    virtual void popCommand(int cid, int cmd);
  };
}

#endif // LWPP_PRESETS_H