// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     this list of conditions and the following disclaimer.
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// Aegisub Project http://www.aegisub.org/

/// @file dialog_search_replace.h
/// @see dialog_search_replace.cpp
/// @ingroup secondary_ui
///

#include <wx/checkbox.h>
#include <wx/combobox.h>
#include <wx/dialog.h>
#include <wx/radiobox.h>
#include <wx/string.h>
#include <wx/textctrl.h>

namespace agi { struct Context; }

class SearchReplaceEngine {
	int curLine;
	size_t pos;
	size_t matchLen;
	size_t replaceLen;
	bool LastWasFind;
	bool hasReplace;
	bool isReg;
	bool matchCase;
	bool CanContinue;
	bool hasFocus;
	int field;
	int affect;
	wxString LookFor;
	wxString ReplaceWith;

public:
	agi::Context *context;

	void FindNext();
	void ReplaceNext(bool DoReplace=true);
	void ReplaceAll();
	void OpenDialog(bool HasReplace);
	void OnDialogOpen();

	void SetFocus(bool focus) { hasFocus = focus; }
	bool HasFocus() const { return hasFocus; }

	SearchReplaceEngine();
	friend class DialogSearchReplace;
};

// Instance
extern SearchReplaceEngine Search;

class DialogSearchReplace : public wxDialog {
	friend class SearchReplaceEngine;

	bool hasReplace;

	wxComboBox *FindEdit;
	wxComboBox *ReplaceEdit;
	wxCheckBox *CheckMatchCase;
	wxCheckBox *CheckRegExp;
	wxCheckBox *CheckUpdateVideo;
	wxRadioBox *Affect;
	wxRadioBox *Field;

	void UpdateDropDowns();
	void FindReplace(int mode);	// 0 = find, 1 = replace next, 2 = replace all

public:
	DialogSearchReplace(agi::Context* c, bool withReplace);
	~DialogSearchReplace();
	void UpdateSettings();
};