Panel.h

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#pragma once
 
#include "Interfaces/IPanel.h"
#include <memory>
#include <wx/panel.h>
#include <wx/sizer.h>
 
namespace EmberUI {

class Panel : public wxPanel, public IPanel {
  public:
    explicit Panel(wxWindow *parent, const wxString &name = "Panel", long style = wxTAB_TRAVERSAL);
    virtual ~Panel();

    wxPanel *GetPanel() override { return this; }
    wxString GetTitle() const override { return title_; }
    wxString GetPanelType() const override { return panel_type_; }

    void Initialize() override;
    void Refresh() override;
    void OnActivated() override;
    void OnDeactivated() override;
    void Cleanup() override;

    bool IsValid() const override { return is_initialized_; }

    wxString SerializeState() const override;
    void DeserializeState(const wxString &state) override;

    bool HasUnsavedChanges() const override { return has_unsaved_changes_; }
    bool Save() override;

    bool SupportsOperation(const wxString &operation) const override;
    bool ExecuteOperation(const wxString &operation, const wxString &parameter = "") override;

    wxString GetName() const override { return name_; }
    void SetName(const wxString &name) override;

    void SetTitle(const wxString &title) { title_ = title; }
    void SetPanelType(const wxString &type) { panel_type_ = type; }
 
  protected:
    virtual void CreateLayout();
    virtual void ApplyTheme();
    virtual void UpdateContent();
    virtual void HandleActivation();
    virtual void HandleDeactivation();
    virtual bool ValidateState() const;

    void MarkChanged() { has_unsaved_changes_ = true; }
    void MarkSaved() { has_unsaved_changes_ = false; }

    wxSizer *GetMainSizer() const { return main_sizer_; }
    void SetMainSizer(wxSizer *sizer);

    virtual void OnPanelSize(wxSizeEvent &event);
    virtual void OnPanelPaint(wxPaintEvent &event);
 
  private:
    wxSizer *main_sizer_;
    wxString name_;
    wxString title_;
    wxString panel_type_;
    bool is_initialized_;
    bool is_active_;
    bool has_unsaved_changes_;
 
    wxColour background_color_;
    wxColour foreground_color_;
    wxFont panel_font_;
 
    void InitializePanel();
    void SetupEventHandlers();
    void UpdateAppearance();
    void DoCleanup();
    void DoApplyTheme();
 
    Panel(const Panel &) = delete;
    Panel &operator=(const Panel &) = delete;
 
    DECLARE_EVENT_TABLE()
};
 
} // namespace EmberUI