//this file is part of notepad++
//Copyright (C)2003 Don HO ( donho@altern.org )
//
//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.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.
//
//You should have received a copy of the GNU General Public License
//along with this program; if not, write to the Free Software
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef NOTEPAD_PLUS_H
#define NOTEPAD_PLUS_H

#include "Window.h"
#include "ScintillaEditView.h"
#include "ToolBar.h"
#include "ImageListSet.h"
#include "DocTabView.h"

#include "StaticDialog.h"
#include "SplitterContainer.h"
#include "FindReplaceDlg.h"
#include "AboutDlg.h"
#include "RunDlg.h"
#include "UserDefineDialog.h"
#include "StatusBar.h"
#include "Parameters.h"
#include "lastRecentFileList.h"
#include "GoToLineDlg.h"
#include "columnEditor.h"
#include "WordStyleDlg.h"
#include "constant.h"
#include "trayIconControler.h"
#include "ContextMenu.h"
#include "PluginsManager.h"
#include "Notepad_plus_msgs.h"
#include "preferenceDlg.h"
#include "WindowsDlg.h"
#include "RunMacroDlg.h"
#include "DockingManager.h"
#include "Process.h"
#include "FunctionCallTip.h"

#define NOTEPAD_PP_CLASS_NAME	"Notepad++"



#define MENU 0x01
#define TOOLBAR 0x02

//#define WM_LOADFILEBYPATH WM_USER

const bool MODE_TRANSFER = true;
const bool MODE_CLONE = false;

const unsigned char DOCK_MASK = 1;
const unsigned char TWO_VIEWS_MASK = 2;

const int blockSize = 128 * 1024 + 4;
struct TaskListInfo;
static TiXmlNode * searchDlgNode(TiXmlNode *node, const char *dlgTagName);

struct iconLocator {
	int listIndex;
	int iconIndex;
	std::string iconLocation;

	iconLocator(int iList, int iIcon, const std::string iconLoc) 
		: listIndex(iList), iconIndex(iIcon), iconLocation(iconLoc){};
};

class FileDialog;

//Class assumes Scintilla makes sure calltip never gets displayed twice


class Notepad_plus : public Window {
	enum comment_mode {cm_comment, cm_uncomment, cm_toggle};
public:
	Notepad_plus();
	virtual inline ~Notepad_plus();
	void init(HINSTANCE, HWND, const char *cmdLine, CmdLineParams *cmdLineParams);
	inline void killAllChildren();
	virtual inline void destroy();

    static const char * Notepad_plus::getClassName() {
		return _className;
	};
	
	void setTitleWith(const char *filePath);
	void getTaskListInfo(TaskListInfo *tli);

	// For filtering the modeless Dialog message
	inline bool isDlgsMsg(MSG *msg, bool unicodeSupported) const {
		for (size_t i = 0; i < _hModelessDlgs.size(); i++)
		{
			if (unicodeSupported?(::IsDialogMessageW(_hModelessDlgs[i], msg)):(::IsDialogMessageA(_hModelessDlgs[i], msg)))
				return true;
		}

		return false;
	};

	// fileOperation 
    bool doOpen(const char *fileName, bool isReadOnly = false);
	bool doSimpleOpen(const char *fileName);
    bool doReload(const char *fileName, bool alert = true);
	inline void fileNew();

	void fileOpen();
	inline bool fileReload();
	bool fileClose();
	bool fileCloseAll();
	bool fileCloseAllButCurrent();
	bool fileSave();
	bool fileSaveAll();
	bool fileSaveAs(bool isSaveCopy = false);

	bool doSave(const char *filename, UniMode mode, bool isSaveCopy = false);
	// end fileOperation

	void filePrint(bool showDialog);
	bool saveScintillaParams(bool whichOne);

	inline bool saveGUIParams();

	inline void saveDockingParams();

	inline void saveUserDefineLangs();

	inline void saveShortcuts();

	inline void saveSession(const Session & session);

	void getCurrentOpenedFiles(Session & session);

	bool fileLoadSession(const char *fn = NULL);
	const char * fileSaveSession(size_t nbFile, char ** fileNames, const char *sessionFile2save);
	const char * fileSaveSession(size_t nbFile = 0, char ** fileNames = NULL);

	bool changeDlgLang(HWND hDlg, const char *dlgTagName, char *title = NULL);

	void changeConfigLang();
	void changeUserDefineLang();
	void changeMenuLang(string & pluginsTrans, string & windowTrans);
	void changePrefereceDlgLang();
	void changeShortcutLang();
	void changeShortcutmapperLang(ShortcutMapper * sm);

	const char * getNativeTip(int btnID);
	void changeToolBarIcons();

	bool doBlockComment(comment_mode currCommentMode);
	bool doStreamComment();
	inline void doTrimTrailing();

	inline HACCEL getAccTable() const{
		return _accelerator.getAccTable();
	};

	bool addCurrentMacro();
	bool switchToFile(const char *fileName);
	inline void loadLastSession();
	bool loadSession(Session & session);
	winVer getWinVersion() const {return _winVersion;};

private:
	static const char _className[32];
	char _nppPath[MAX_PATH];
    Window *_pMainWindow;
	DockingManager _dockingManager;

	FunctionCallTip _funcCalltip;

	TiXmlNode *_nativeLang, *_toolIcons;

    unsigned char _mainWindowStatus;

    DocTabView _mainDocTab;
    DocTabView _subDocTab;
    DocTabView *_pDocTab;

    ScintillaEditView _subEditView;
    ScintillaEditView _mainEditView;

	ScintillaEditView _invisibleEditView;

    ScintillaEditView *_pEditView;

    SplitterContainer *_pMainSplitter;
    SplitterContainer _subSplitter;

    ContextMenu _tabPopupMenu, _tabPopupDropMenu;

	ToolBar	_toolBar;
	IconList _docTabIconList;
	
    StatusBar _statusBar;
	bool _toReduceTabBar;
	ReBar _rebarTop;
	ReBar _rebarBottom;

	// Dialog
	FindReplaceDlg _findReplaceDlg;
	FindIncrementDlg _incrementFindDlg;
    AboutDlg _aboutDlg;
	RunDlg _runDlg;
    GoToLineDlg _goToLineDlg;
	ColumnEditorDlg _colEditorDlg;
	WordStyleDlg _configStyleDlg;
	PreferenceDlg _preference;
	
	// a handle list of all the Notepad++ dialogs
	vector<HWND> _hModelessDlgs;

	LastRecentFileList _lastRecentFileList;

	vector<iconLocator> _customIconVect;

	WindowsMenu _windowsMenu;
	HMENU _mainMenuHandle;
	bool _sysMenuEntering;

	LONG_PTR _prevStyles;

	// For FullScreen feature
	bool _isfullScreen;
	RECT _rcWorkArea;
	WINDOWPLACEMENT _winPlace;
	void fullScreenToggle();

	// Keystroke macro recording and playback
	Macro _macro;
	bool _recordingMacro;
	RunMacroDlg _runMacroDlg;

	// For hotspot
	bool _linkTriggered;
	bool _isDocModifing;
	bool _isHotspotDblClicked;
	bool _isSaving;

	//For Dynamic selection highlight
	CharacterRange _prevSelectedRange;

	struct ActivateAppInfo {
		bool _isActivated;
		int _x;
		int _y;
		ActivateAppInfo() : _isActivated(false), _x(0), _y(0){};
	} _activeAppInf;

	//Synchronized Scolling
	
	struct SyncInfo {
		int _line;
		int _column;
		bool _isSynScollV;
		bool _isSynScollH;
		SyncInfo():_line(0), _column(0), _isSynScollV(false), _isSynScollH(false){};
		bool doSync() const {return (_isSynScollV || _isSynScollH); };
	} _syncInfo;

	bool _isUDDocked;

	trayIconControler *_pTrayIco;
	int _zoomOriginalValue;

	Accelerator _accelerator;
	ScintillaAccelerator _scintaccelerator;

	PluginsManager _pluginsManager;

	bool _isRTL;
	winVer _winVersion;

	class ScintillaCtrls {
	public :
		//ScintillaCtrls();
		void init(HINSTANCE hInst, HWND hNpp) {
			_hInst = hInst;
			_hParent = hNpp;
		};

		HWND createSintilla(HWND hParent) {
			_hParent = hParent;
			
			ScintillaEditView *scint = new ScintillaEditView;
			scint->init(_hInst, _hParent);
			_scintVector.push_back(scint);
			return scint->getHSelf();
		};
		bool destroyScintilla(HWND handle2Destroy) {
			for (size_t i = 0 ; i < _scintVector.size() ; i++)
			{
				if (_scintVector[i]->getHSelf() == handle2Destroy)
				{
					_scintVector[i]->destroy();
					delete _scintVector[i];

					vector<ScintillaEditView *>::iterator it2delete = _scintVector.begin()+ i;
					_scintVector.erase(it2delete);
					return true;
				}
			}
			return false;
		};
		void destroy() {
			for (size_t i = 0 ; i < _scintVector.size() ; i++)
			{
				delete _scintVector[i];
			}
		};
	private:
		vector<ScintillaEditView *> _scintVector;
		HINSTANCE _hInst;
		HWND _hParent;
	} _scintillaCtrls4Plugins;

	vector<pair<int, int> > _hideLinesMarks;

	static LRESULT CALLBACK Notepad_plus_Proc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);
	LRESULT runProc(HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam);

	BOOL notify(SCNotification *notification);
	void specialCmd(int id, int param);
	void command(int id);


	void hideCurrentView();

	int doSaveOrNot(const char *fn) {
		char phrase[512] = "Save file \"";
		strcat(strcat(phrase, fn), "\" ?");
		return ::MessageBox(_hSelf, phrase, "Save", MB_YESNOCANCEL | MB_ICONQUESTION | MB_APPLMODAL);
	};
	
	int doReloadOrNot(const char *fn) {
		char phrase[512] = "The file \"";
		strcat(strcat(phrase, fn), "\" is modified by another program. Reload this file?");
		return ::MessageBox(_hSelf, phrase, "Reload", MB_YESNO | MB_ICONQUESTION | MB_APPLMODAL);
	};

	int doCloseOrNot(const char *fn) {
		char phrase[512] = "The file \"";
		strcat(strcat(phrase, fn), "\" doesn't exist anymore. Keep this file in editor ?");
		return ::MessageBox(_hSelf, phrase, "Keep non existing file", MB_YESNO | MB_ICONQUESTION | MB_APPLMODAL);
	};
	

	void enableMenu(int cmdID, bool doEnable) const {
		int flag = doEnable?MF_ENABLED | MF_BYCOMMAND:MF_DISABLED | MF_GRAYED | MF_BYCOMMAND;
		::EnableMenuItem(_mainMenuHandle, cmdID, flag);
	}
	void enableCommand(int cmdID, bool doEnable, int which) const;
	void checkClipboard();
	void checkDocState();
	void checkUndoState();
	void checkMacroState();
	void checkSyncState();
	void dropFiles(HDROP hdrop);
	void checkModifiedDocument();
	void reload(const char *fileName);

    void docGotoAnotherEditView(bool mode);
    void dockUserDlg();
    void undockUserDlg();

    void getMainClientRect(RECT & rc) const;

    int switchEditViewTo(int gid);
	
	void dynamicCheckMenuAndTB() const;

	void enableConvertMenuItems(formatType f) const {
		enableCommand(IDM_FORMAT_TODOS, (f != WIN_FORMAT), MENU);
		enableCommand(IDM_FORMAT_TOUNIX, (f != UNIX_FORMAT), MENU);
		enableCommand(IDM_FORMAT_TOMAC, (f != MAC_FORMAT), MENU);
	};

	void checkUnicodeMenuItems(UniMode um) const;

    int getCurrentView() const {
        return (_pEditView == &_mainEditView)?MAIN_VIEW:SUB_VIEW;
    };

	int getNonCurrentView() const {
        return (_pEditView == &_mainEditView)?SUB_VIEW:MAIN_VIEW;
    };

    DocTabView * getNonCurrentDocTab() {
        return (_pDocTab == &_mainDocTab)?&_subDocTab:&_mainDocTab;
    };

    ScintillaEditView * getCurrentEditView() {
        return (_pEditView == &_mainEditView)?&_mainEditView:&_subEditView;
    };

    ScintillaEditView * getNonCurrentEditView() {
        return (_pEditView == &_mainEditView)?&_subEditView:&_mainEditView;
    };

    void synchronise();

	string getLangDesc(LangType langType, bool shortDesc = false);

	void setLangStatus(LangType langType){
		_statusBar.setText(getLangDesc(langType).c_str(), STATUSBAR_DOC_TYPE);

		string langName;
		getApiFileName(langType, langName);
		_funcCalltip.initCalltip(_pEditView, langName.c_str());
	};

	void setDisplayFormat(formatType f) {
		std::string str;
		switch (f)
		{
			case MAC_FORMAT :
				str = "MAC";
				break;
			case UNIX_FORMAT :
				str = "UNIX";
				break;
			default :
				str = "Dos\\Windows";
		}
		_statusBar.setText(str.c_str(), STATUSBAR_EOF_FORMAT);
	};

	void setUniModeText(UniMode um)
	{
		char *uniModeText;
		switch (um)
		{
			case uniUTF8:
				uniModeText = "UTF-8"; break;
			case uni16BE:
				uniModeText = "UCS-2 Big Endian"; break;
			case uni16LE:
				uniModeText = "UCS-2 little Endian"; break;
			case uniCookie:
				uniModeText = "ANSI as UTF-8"; break;
			default :
				uniModeText = "ANSI";
		}
		_statusBar.setText(uniModeText, STATUSBAR_UNICODE_TYPE);
	};

	void checkLangsMenu(int id) const ;

    void setLanguage(int id, LangType langType) {
        if (_pEditView->setCurrentDocType(langType))
		{
			_pEditView->foldAll(fold_uncollapse);
			setLangStatus(langType);
			checkLangsMenu(id);
		}
    };

    int getFolderMarginStyle() const {
        if (::GetMenuState(_mainMenuHandle, IDM_VIEW_FOLDERMAGIN_SIMPLE, MF_BYCOMMAND) == MF_CHECKED)
            return IDM_VIEW_FOLDERMAGIN_SIMPLE;
        
        if (::GetMenuState(_mainMenuHandle, IDM_VIEW_FOLDERMAGIN_ARROW, MF_BYCOMMAND) == MF_CHECKED)
            return IDM_VIEW_FOLDERMAGIN_ARROW;

        if (::GetMenuState(_mainMenuHandle, IDM_VIEW_FOLDERMAGIN_CIRCLE, MF_BYCOMMAND) == MF_CHECKED)
            return IDM_VIEW_FOLDERMAGIN_CIRCLE;

        if (::GetMenuState(_mainMenuHandle, IDM_VIEW_FOLDERMAGIN_BOX, MF_BYCOMMAND) == MF_CHECKED)
            return IDM_VIEW_FOLDERMAGIN_BOX;

		return 0;
    };

	void checkFolderMarginStyleMenu(int id2Check) const {
		::CheckMenuRadioItem(_mainMenuHandle, IDM_VIEW_FOLDERMAGIN_SIMPLE, IDM_VIEW_FOLDERMAGIN_BOX, id2Check, MF_BYCOMMAND);
	};

    int getFolderMaginStyleIDFrom(folderStyle fStyle) const {
        switch (fStyle)
        {
            case FOLDER_STYLE_SIMPLE : return IDM_VIEW_FOLDERMAGIN_SIMPLE;
            case FOLDER_STYLE_ARROW : return IDM_VIEW_FOLDERMAGIN_ARROW;
            case FOLDER_STYLE_CIRCLE : return IDM_VIEW_FOLDERMAGIN_CIRCLE;
            case FOLDER_STYLE_BOX : return IDM_VIEW_FOLDERMAGIN_BOX;
			default : return FOLDER_TYPE;
        }
        //return 
    };

	void checkMenuItem(int itemID, bool willBeChecked) const {
		::CheckMenuItem(_mainMenuHandle, itemID, MF_BYCOMMAND | (willBeChecked?MF_CHECKED:MF_UNCHECKED));
	};
	void charAdded(char chAdded);
	void MaintainIndentation(char ch);
	
	void addHotSpot(bool docIsModifing = false);

    void bookmarkAdd(int lineno) const {
		if (lineno == -1)
			lineno = _pEditView->getCurrentLineNumber();
		if (!bookmarkPresent(lineno))
			_pEditView->execute(SCI_MARKERADD, lineno, MARK_BOOKMARK);
	};
    void bookmarkDelete(int lineno) const {
		if (lineno == -1)
			lineno = _pEditView->getCurrentLineNumber();
		if ( bookmarkPresent(lineno))
			_pEditView->execute(SCI_MARKERDELETE, lineno, MARK_BOOKMARK);
	};
    bool bookmarkPresent(int lineno) const {
		if (lineno == -1)
			lineno = _pEditView->getCurrentLineNumber();
		LRESULT state = _pEditView->execute(SCI_MARKERGET, lineno);
		return ((state & (1 << MARK_BOOKMARK)) != 0);
	};
    void bookmarkToggle(int lineno) const {
		if (lineno == -1)
			lineno = _pEditView->getCurrentLineNumber();

		if (bookmarkPresent(lineno))
			bookmarkDelete(lineno);
		else
    		bookmarkAdd(lineno);
	};
    void bookmarkNext(bool forwardScan);
	void bookmarkClearAll() const {
		_pEditView->execute(SCI_MARKERDELETEALL, MARK_BOOKMARK);
	};

    int hideLinesMarkPresent(int lineno) const {
		LRESULT state = _pEditView->execute(SCI_MARKERGET, lineno);
		if ((state & (1 << MARK_HIDELINESBEGIN)) != 0)
			return MARK_HIDELINESBEGIN;
		else if ((state & (1 << MARK_HIDELINESEND)) != 0)
			return MARK_HIDELINESEND;
		return 0;
	};

	void hideLinesMarkDelete(int lineno, int which) const {
		_pEditView->execute(SCI_MARKERDELETE, lineno, which);
	};

	bool showLines(int lineno) const {
		if (lineno == -1)
			lineno = _pEditView->getCurrentLineNumber();
		int hideLinesMark = hideLinesMarkPresent(lineno);
		if (!hideLinesMark)
			return false;

		//
		int start = 0;
		int end = 0;
		if (hideLinesMark == MARK_HIDELINESEND)
		{
			end = lineno;
			int i = lineno - 1;
			for ( ; i >= 0 ; i--)
			{
				if (_pEditView->execute(SCI_GETLINEVISIBLE, i))
					break;
				hideLinesMarkDelete(i, MARK_HIDELINESBEGIN);
				hideLinesMarkDelete(i, MARK_HIDELINESEND);
			}
			start = i;
		}
		else if (hideLinesMark == MARK_HIDELINESBEGIN)
		{
			long nbLine = _pEditView->getNbLine();
			start = lineno;
			int i = lineno + 1;
			for ( ; i < nbLine ; i++)
			{
				if (_pEditView->execute(SCI_GETLINEVISIBLE, i))
					break;
				hideLinesMarkDelete(i, MARK_HIDELINESBEGIN);
				hideLinesMarkDelete(i, MARK_HIDELINESEND);
			}
			end = i;
		}
		_pEditView->execute(SCI_SHOWLINES, start+1, end-1);
		hideLinesMarkDelete(start, MARK_HIDELINESBEGIN);
		hideLinesMarkDelete(end, MARK_HIDELINESEND);
		return true;
	};

    void findMatchingBracePos(int & braceAtCaret, int & braceOpposite);
    void braceMatch();
   
    void activateNextDoc(bool direction);
	void activateDoc(int pos);

	void updateStatusBar();

	void showAutoComp();
	void autoCompFromCurrentFile(bool autoInsert = true);
	void getApiFileName(LangType langType, std::string &fn);
	void showFunctionComp();

	void changeStyleCtrlsLang(HWND hDlg, int *idArray, const char **translatedText);
	bool replaceAllFiles();
	bool findInOpenedFiles();
	bool findInFiles(bool isRecursive, bool isInHiddenDir);

	bool matchInList(const char *fileName, const vector<string> & patterns);
	void getMatchedFileNames(const char *dir, const vector<string> & patterns, vector<string> & fileNames, bool isRecursive, bool isInHiddenDir);

	void doSynScorll(HWND hW);
	void setWorkingDir(char *dir) {
		if (NppParameters::getInstance()->getNppGUI()._saveOpenKeepInSameDir)
			return;

		if (!dir || !PathIsDirectory(dir))
		{
			//Non existing path, usually occurs when a new 1 file is open.
			//Set working dir to Notepad++' directory to prevent directory lock.
			char nppDir[MAX_PATH];
			
			//wParam set to max_path in case boundary checks will ever be made.
			SendMessage(_hSelf, NPPM_GETNPPDIRECTORY, (WPARAM)MAX_PATH, (LPARAM)nppDir);
			::SetCurrentDirectory(nppDir);
			return;
		}
		else
			::SetCurrentDirectory(dir);
	}
	bool str2Cliboard(const char *str2cpy);
	bool bin2Cliboard(const unsigned char *uchar2cpy, size_t length);

	bool getIntegralDockingData(tTbData & dockData, int & iCont, bool & isVisible);
	
	void setLangFromName(const char * langName)
	{
		int	id	= 0;
		char	menuLangName[ 16 ];

		for ( int i = IDM_LANG_C; i <= IDM_LANG_USER; i++ )
			if ( ::GetMenuString( _mainMenuHandle, i, menuLangName, sizeof( menuLangName ), MF_BYCOMMAND ) )
				if ( !strcmp( langName, menuLangName ) )
				{
					id	= i;
					break;
				}

		if ( id == 0 )
		{
			for ( int i = IDM_LANG_USER + 1; i <= IDM_LANG_USER_LIMIT; i++ )
				if ( ::GetMenuString( _mainMenuHandle, i, menuLangName, sizeof( menuLangName ), MF_BYCOMMAND ) )
					if ( !strcmp( langName, menuLangName ) )
					{
						id	= i;
						break;
					}
		}

		if ( id != 0 )
			command( id );
	}

	string getLangFromMenu(Buffer buf)
	{
		int	id;
		const char * userLangName;
		char	menuLangName[32];

		id = (NppParameters::getInstance())->langTypeToCommandID( buf.getLangType() );

		if ( ( id != IDM_LANG_USER ) || !( buf.isUserDefineLangExt() ) )
		{
			( ::GetMenuString( _mainMenuHandle, id, menuLangName, sizeof( menuLangName ), MF_BYCOMMAND ) );
			userLangName = (char *)menuLangName;
		}
		else
		{
			userLangName = buf.getUserDefineLangName();
		}
		return	userLangName;
	}

	void removeHideLinesBookmarks() {
		for (size_t i = 0 ; i < _hideLinesMarks.size() ; i++)
		{
			hideLinesMarkDelete(_hideLinesMarks[i].first, MARK_HIDELINESBEGIN);
			hideLinesMarkDelete(_hideLinesMarks[i].second, MARK_HIDELINESEND);
		}
	};

	void setFileOpenSaveDlgFilters(FileDialog & fDlg);
	void reloadOnSwitchBack();
	void markSelectedText();
	void markSelectedTextInc(bool enable);

	bool isQualifiedWord(const char *str)
	{
		for (size_t i = 0 ; i < strlen(str) ; i++)
		{
			if (!isWordChar(str[i]))
				return false;
		}
		return true;
	};

	bool isWordChar(char ch) const {
		if ((unsigned char)ch < 0x20) 
			return false;
		
		switch(ch)
		{
			case ' ':
			case '	':
			case '\n':
			case '\r':
			case '.':
			case ',':
			case '?':
			case ';':
			case ':':
			case '!':
			case '(':
			case ')':
			case '[':
			case ']':
			case '+':
			case '-':
			case '*':
			case '/':
			case '#':
			case '@':
			case '^':
			case '%':
			case '$':
			case '"':
			case '\'':
			case '~':
			case '&':
			case '{':
			case '}':
			case '|':
			case '=':
			case '<':
			case '>':
			case '\\':
				return false;
		}
		return true;
	};
};

#endif //NOTEPAD_PLUS_H