/*
 * Copyright (c) 1998-2007 Matthijs Hollemans
 * All rights reserved. Distributed under the terms of the MIT License.
 */
#ifndef MODEL_H
#define MODEL_H

#include <Entry.h>
#include <File.h>
#include <FindDirectory.h>
#include <List.h>
#include <Menu.h>
#include <Message.h>
#include <Rect.h>
#include <String.h>

#include "GlobalDefs.h"


enum {
	MSG_START_CANCEL = 1000,
	MSG_RECURSE_LINKS,
	MSG_RECURSE_DIRS,
	MSG_SKIP_DOT_DIRS,
	MSG_CASE_SENSITIVE,
	MSG_REGULAR_EXPRESSION,
	MSG_TEXT_ONLY,
	MSG_INVOKE_EDITOR,
	MSG_CHECKBOX_SHOW_LINES,
	MSG_SEARCH_TEXT,
	MSG_INVOKE_ITEM,
	MSG_SELECT_HISTORY,
	MSG_NODE_MONITOR_PULSE,
	MSG_START_NODE_MONITORING,

	MSG_REPORT_FILE_NAME,
	MSG_REPORT_RESULT,
	MSG_REPORT_ERROR,
	MSG_SEARCH_FINISHED,

	MSG_NEW_WINDOW,
	MSG_OPEN_PANEL,
	MSG_REFS_RECEIVED,
	MSG_SET_TARGET_TO_PARENT,
	MSG_TRY_QUIT,
	MSG_QUIT_NOW,

	MSG_TRIM_SELECTION,
	MSG_COPY_TEXT,
	MSG_SELECT_IN_TRACKER,
	MSG_SELECT_ALL,
	MSG_OPEN_SELECTION
};

enum state_t {
	STATE_IDLE = 0,
	STATE_SEARCH,
	STATE_CANCEL,
	STATE_UPDATE
};

class Model {
public:
								Model();

			status_t			LoadPrefs();
			status_t			SavePrefs();

			void				AddToHistory(const char* text);
			void				FillHistoryMenu(BMenu* menu) const;

public:
			// The directory we were invoked from.
			entry_ref			fDirectory;

			// The selected files we were invoked upon.
			BMessage			fSelectedFiles;

			// Whether we need to look into subdirectories.
			bool				fRecurseDirs;

			// Whether we need to follow symbolic links.
			bool				fRecurseLinks;

			// Whether we should skip subdirectories that start with a dot.
			bool				fSkipDotDirs;

			// Whether the search is case sensitive.
			bool				fCaseSensitive;

			// Whether the search pattern is a regular expression.
			bool				fRegularExpression;

			// Whether we look at text files only.
			bool				fTextOnly;

			// Whether we open the item in the preferred code editor.
			bool				fInvokeEditor;

			// The dimensions of the window.
			BRect				fFrame;

			// What are we doing.
			state_t				fState;

			// Current directory of the filepanel
			BString				fFilePanelPath;

			// Show lines ?
			bool				fShowLines;

			// Grep string encoding ?
			uint32				fEncoding;

private:
			bool				_LoadHistory(BList& items) const;
			status_t			_SaveHistory(const BList& items) const;
			void				_FreeHistory(const BList& items) const;
			status_t			_OpenFile(BFile* file, const char* name,
									uint32 openMode = B_READ_ONLY,
									directory_which which
										= B_USER_SETTINGS_DIRECTORY,
									BVolume* volume = NULL) const;
};

#endif // MODEL_H