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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2014 Eran Ifrah
// file name : unredobase.h
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#ifndef UNREDOBASE_H
#define UNREDOBASE_H
#include "clToolBar.h"
#include "codelite_exports.h"
#include <vector>
#include <wx/aui/auibar.h>
#include <wx/bitmap.h>
#include <wx/event.h>
#include <wx/gdicmn.h>
#include <wx/sharedptr.h>
enum CLC_types { CLC_insert, CLC_delete, CLC_unknown };
class WXDLLIMPEXP_SDK CLCommand
{
public:
typedef wxSharedPtr<CLCommand> Ptr_t;
typedef std::vector<CLCommand::Ptr_t> Vec_t;
CLCommand(CLC_types type = CLC_unknown, const wxString& name = "")
: m_commandType(type)
, m_commandName(name)
, m_isOpen(true)
{
}
virtual ~CLCommand() {}
int GetCommandType() const { return m_commandType; }
wxString GetName() const { return m_commandName; }
void SetName(const wxString& name) { m_commandName = name; }
const wxString& GetText() const { return m_text; }
void SetText(const wxString& text) { m_text = text; }
bool IsOpen() const { return m_isOpen; }
void Close() { m_isOpen = false; }
wxString GetUserLabel() const { return m_userLabel; }
void SetUserLabel(const wxString& label) { m_userLabel = label; }
void AppendText(const wxString& text, int position) { m_text << text; }
virtual bool GetIsAppendable() const = 0;
virtual bool Do() { return true; }
virtual bool Undo() { return true; }
protected:
const int m_commandType;
wxString m_commandName;
wxString m_text;
wxString m_userLabel;
bool m_isOpen;
};
class WXDLLIMPEXP_SDK CommandProcessorBase : public wxEvtHandler
{
public:
CommandProcessorBase();
virtual ~CommandProcessorBase();
bool CanAppend(CLC_types type)
{
return GetOpenCommand()->GetIsAppendable() && GetOpenCommand()->GetCommandType() == type;
}
virtual void ProcessOpenCommand();
void PopulateUnRedoMenu(clToolBar* tb, wxWindowID toolId);
virtual void DoPopulateUnRedoMenu(wxMenu& menu, bool undoing);
void PrepareLabelledStatesMenu(wxMenu* menu);
void PopulateLabelledStatesMenu(wxMenu* menu);
void UnBindLabelledStatesMenu(wxMenu* menu);
void DoUnBindLabelledStatesMenu(wxMenu* menu);
CLCommand::Ptr_t GetInitialCommand() const { return m_initialCommand; }
int GetCurrentCommand() const { return m_currentCommand; }
void IncrementCurrentCommand();
void DecrementCurrentCommand();
int GetNextUndoCommand() const { return GetCommands().size() - m_currentCommand - 1; }
void Add(CLCommand::Ptr_t command)
{
m_commands.push_back(command);
m_currentCommand = m_commands.size() - 1;
}
CLCommand::Ptr_t GetOpenCommand();
bool HasOpenCommand() { return (GetOpenCommand() != NULL); }
virtual void CloseOpenCommand();
CLCommand::Vec_t& GetCommands() { return m_commands; }
const CLCommand::Vec_t& GetCommands() const { return m_commands; }
void OnTBUnRedo(wxCommandEvent& event);
virtual bool DoUndo() = 0;
virtual bool DoRedo() = 0;
bool CanUndo() const { return (GetCurrentCommand() > -1); }
bool CanRedo() const
{
return (GetCommands().size() > 0) && (GetCurrentCommand() < (int)(GetCommands().size() - 1));
}
void ClearRedos()
{ // Remove any redos invalidated by a new addition
while(GetCurrentCommand() < (int)(GetCommands().size() - 1)) {
GetCommands().pop_back();
}
}
void SetUserLabel(const wxString& label);
CLCommand::Ptr_t GetActiveCommand() const; // The command indexed by m_currentCommand
virtual void OnUndoDropdownItem(wxCommandEvent& event);
virtual void OnRedoDropdownItem(wxCommandEvent& event);
void Clear()
{
m_commands.clear();
m_initialCommand = NULL;
}
protected:
virtual void OnLabelledStatesMenuItem(wxCommandEvent& event);
CLCommand::Ptr_t m_initialCommand; // A command to hold any initial-state user-label, and to store any initial state
// if we're state-storing
CLCommand::Vec_t m_commands;
int m_currentCommand; // The next one to be undone
};
#endif // UNREDOBASE_H
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