tilere text code

import 'dart:collection';

import 'dart:convert';

import 'dart:math';

import 'package:flutter/material.dart';

import 'package:flutter/services.dart';

import 'package:flutter_screenutil/flutter_screenutil.dart';

import 'package:get/get_connect/http/src/utils/utils.dart';

import 'package:gurbani_app/models/baani_lines_model.dart';

import 'package:gurbani_app/models/calculated_items.dart';

import 'package:gurbani_app/models/db_result.dart';

import 'package:gurbani_app/models/history_item.dart';

import 'package:gurbani_app/screens/settings.dart';

import 'package:gurbani_app/services/nitnem_service.dart';

import 'package:gurbani_app/services/reader.dart';

import 'package:gurbani_app/utils/contexts.dart';

import 'package:gurbani_app/utils/languages.dart';

import 'package:gurbani_app/utils/spans.dart';

import 'package:gurbani_app/utils/theme.dart';

import 'package:gurbani_app/widgets/baani_view_widget.dart';

import 'dart:math' as math;

import 'package:flip_widget/flip_widget.dart';

import 'package:gurbani_app/widgets/calculated_view_widget.dart';

import 'package:gurbani_app/widgets/constraints.dart';

import 'package:gurbani_app/widgets/helper.dart';

import 'package:scrollable_positioned_list/scrollable_positioned_list.dart';

import 'package:shared_preferences/shared_preferences.dart';

import 'package:wakelock_plus/wakelock_plus.dart';

//ToDo: This class has to be renamed because this won't be the homescreen

// Future<void> updateGurbaniLists() async {

// // print(_linesPerPage);

// currentAng = await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo, loadSourceLines: true, lines: _linesPerPage, bookNo: _bookNo);

// if(currentAng.baaniLines.isEmpty){

// _sourcePageNo = _sourcePageNo + 1;

// _previousChapterTotalPages.add(_pageNo > 1? _pageNo-1 :1);

// _pageNo = 1;

// currentAng = await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo, lines: _linesPerPage, bookNo: _bookNo);

// }

// nextAng = await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo + 1, lines: _linesPerPage, bookNo: _bookNo);

// previousAng = _sourcePageNo ==1 && _pageNo ==1 ? DBResult(baaniLines: List.empty(), count: 0) : _sourcePageNo >=1 && _pageNo ==1 ? _previousChapterTotalPages.isEmpty ? DBResult(baaniLines: List.empty(), count: 0) : await Reader.getAngs(sourcePageNo: _sourcePageNo - 1,pageNo: _previousChapterTotalPages.last, lines: _linesPerPage) : await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo - 1, lines: _linesPerPage);

// setState(() {});

// }

class PageScreen extends StatefulWidget {

final int pageNo;

final int bookNo;

final bool isNitnem;

// final bool isEnglishTransliteration;

final int nitnemId;

final bool searchView;

final int searchedAng;

final String title;

final BaaniLineModel? searchedBaaniLine;

const PageScreen(

{super.key,

required this.title,

this.pageNo = 1,

this.bookNo = 1,

// this.isEnglishTransliteration = false,

this.isNitnem = false,

this.searchView = false,

this.nitnemId = 1,

this.searchedAng = 100,

this.searchedBaaniLine});

@override

State<PageScreen> createState() => _PageScreenState();

}

const double _MinNumber = 0.008;

double _clampMin(double v) {

if (v < _MinNumber && v > -_MinNumber) {

if (v >= 0) {

v = _MinNumber;

} else {

v = -_MinNumber;

}

return v;

}

class _PageScreenState extends State<PageScreen> {

final GlobalKey<FlipWidgetState> _flipKey = GlobalKey();

final GlobalKey myPageKey = GlobalKey();

final TextEditingController _searchController = TextEditingController();

DBResult currentAng =

DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

DBResult previousAng =

DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

DBResult nextAng =

DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

DBResult searchedAng =

DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

LinkedList<CalculatedItems> calculatedPages = LinkedList<CalculatedItems>();

LinkedList<HistoryItem> _history = LinkedList<HistoryItem>();

late SharedPreferences prefs;

bool _showEnglishTransliteration = false;

bool _showEnglishTranslation = false;

bool _showPunjabiTranslation = false;

bool _showPunjabiTeekaTranslation = false;

bool _showHindiTranslation = false;

bool _showHindiTeekaTranslation = false;

bool nightmodevalue = false;

bool _showFaridkotTeekaTranslation = false;

bool _loadSourceLines = true;

bool _isBookMarked = false;

bool _initialized = false;

bool _isbold = false;

bool isbold = false;

bool _searchviewm = false;

Languages _language = Languages.Gurmukhi;

int _loadedLines = 0;

int _linesPerProcess = 20;

double _extraBottomPadding = 0;

bool _isDragging = false;

bool _showSearch = false;

int maxvalueofBook1 = 1430;

int maxvalueofBook2 = 1428;

String errorMessage = '';

final ItemScrollController _itemScrollController = ItemScrollController();

final ItemPositionsListener _itemPositionListener =

ItemPositionsListener.create();

//late Size size;

Future<void> updateGurbaniLists() async {

currentAng = await Reader.getAngs(

sourcePageNo: _sourcePageNo,

pageNo: _pageNo,

loadSourceLines: _loadSourceLines,

lines: _linesPerPage,

bookNo: _bookNo);

if (currentAng.baaniLines.isEmpty) {

if (_loadSourceLines) {

currentAng =

DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

nextAng = DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

placeWidgetsToPage();

setState(() {});

_loadedLines = _linesPerProcess;

return;

}

_sourcePageNo = _sourcePageNo + 1;

_previousChapterTotalPages.add(_pageNo > 1 ? _pageNo - 1 : 1);

_pageNo = 1;

currentAng = await Reader.getAngs(

sourcePageNo: _sourcePageNo,

pageNo: _pageNo,

lines: _linesPerPage,

bookNo: _bookNo);

// placeWidgetsToPage();

} else {

if (_loadSourceLines) {

if (_loadedLines >= currentAng.count) {

return;

}

placeWidgetsToPage();

setState(() {});

_loadedLines += _linesPerProcess;

return;

}

if (_loadedLines >= currentAng.count) {

return;

}

placeWidgetsToPage();

nextAng = await Reader.getAngs(

sourcePageNo: _sourcePageNo,

pageNo: _pageNo + 1,

lines: _linesPerPage,

bookNo: _bookNo);

previousAng = _sourcePageNo == 1 && _pageNo == 1

? DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0)

: _sourcePageNo >= 1 && _pageNo == 1

? _previousChapterTotalPages.isEmpty

? DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0)

: await Reader.getAngs(

sourcePageNo: _sourcePageNo - 1,

pageNo: _previousChapterTotalPages.last,

lines: _linesPerPage)

: await Reader.getAngs(

sourcePageNo: _sourcePageNo,

pageNo: _pageNo - 1,

lines: _linesPerPage);

setState(() {

// print("calcualated");

// print(calculatedPages.length);

});

_loadedLines += _linesPerProcess;

}

double _getAppbarAndStatusBarHeight() {

if (!_initialized) {

return 0.0;

}

double h = AppBar().preferredSize.height +

MediaQuery.of(context).padding.top +

MediaQuery.of(context).padding.bottom +

_extraBottomPadding;

return h;

}

placeWidgetsToPage() {

if (currentAng.baaniLines.isEmpty) {

calculatedPages.clear();

return;

}

TextSpan angSpan = getSpan("Ang");

double height =

getTextHeight(span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

double additionalHeight = 8.h;

height += additionalHeight;

CalculatedItems calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: 0,

totalPages: 0,

angNo: _sourcePageNo,

// angNo: _pageNo,

height: height);

if (_loadedLines != 0) {

calculatedItems = calculatedPages.last;

height = calculatedItems.height;

calculatedPages.last.unlink();

}

currentAng.baaniLines

.skip(_loadedLines)

.take(_linesPerProcess)

.forEach((element) {

if (_language == Languages.Both) {

if (element.gurmukhi.isNotEmpty) {

TextSpan span = getAsscciiSpan(element.gurmukhi,

style: baaniTextStyle(

color: nightmodevalue ? blackColor : whiteColor,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

TextSpan span = getAsscciiSpan(element.gurmukhi,

style: baaniTextStyle(

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

color: nightmodevalue ? blackColor : whiteColor,

));

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (element.hindiTransliteration != null &&

(element.hindiTransliteration ?? "").isNotEmpty) {

TextSpan span2 = getAsscciiSpan(element.hindiTransliteration,

style: baaniTextStyle(

color: nightmodevalue ? kButtonColor : klightbrown,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span2, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span2, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span2);

} else {

height += getTextHeight(

span: span2, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span2);

height += additionalHeight;

printSizes(height);

}

} else if (_language == Languages.Gurmukhi) {

if (element.gurmukhi.isNotEmpty) {

TextSpan span = getAsscciiSpan(element.gurmukhi,

style: baaniTextStyle(

color: nightmodevalue ? blackColor : whiteColor,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

} else {

if (element.hindiTransliteration != null &&

(element.hindiTransliteration ?? "").isNotEmpty) {

TextSpan span = getAsscciiSpan(element.hindiTransliteration,

style: baaniTextStyle(

color: nightmodevalue ? kButtonColor : whiteColor,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

//english transliteration

if (_showEnglishTransliteration &&

element.englishTransliteration != null &&

(element.englishTransliteration ?? "").isNotEmpty) {

// print("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");

// print(element.englishTransliteration);

// print(element.englishTransliteration?.replaceAll(RegExp(",|!|'|;"), ""));

TextSpan span = getSpan(

element.englishTransliteration?.replaceAll(RegExp(",|!|'|;"), ""),

style: baaniTextStyle(

color: nightmodevalue ? darkGreeenColor : kgoldyellowBackground,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showEnglishTranslation &&

element.translationEnglish != null &&

(element.translationEnglish ?? "").isNotEmpty) {

TextSpan span = getSpan(element.translationEnglish,

style: baaniTextStyle(

color: nightmodevalue ? purpleColor : whiteColor,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showPunjabiTranslation &&

element.translationPunjabi != null &&

(element.translationPunjabi ?? "").isNotEmpty) {

TextSpan span = getAsscciiSpan(element.translationPunjabi,

style: baaniTextStyle(

color: nightmodevalue ? darkRedColor : klightgreen,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showPunjabiTeekaTranslation &&

element.translationPunjabiTeeka != null &&

(element.translationPunjabiTeeka ?? "").isNotEmpty) {

TextSpan span = getAsscciiSpan(element.translationPunjabiTeeka,

style: baaniTextStyle(

color: nightmodevalue ? kFbColor : kPinkColor,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showFaridkotTeekaTranslation &&

element.translationFaridkotTeeka != null &&

(element.translationFaridkotTeeka ?? "").isNotEmpty) {

TextSpan span = getAsscciiSpan(element.translationFaridkotTeeka,

style: baaniTextStyle(

color: nightmodevalue ? MongiaColor : klightbluee,

fontWeight: _isbold ? FontWeight.bold : FontWeight.normal,

));

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showHindiTranslation &&

element.translationHindi != null &&

(element.translationHindi ?? "").isNotEmpty) {

TextSpan span =

getAsscciiSpan(element.translationHindi, style: baaniTextStyle());

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

if (_showHindiTeekaTranslation &&

element.translationHindiTeeka != null &&

(element.translationHindiTeeka ?? "").isNotEmpty) {

TextSpan span = getAsscciiSpan(element.translationHindiTeeka,

style: baaniTextStyle());

if (height +

_getAppbarAndStatusBarHeight() +

getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w) >

Contexts.size!.height) {

calculatedItems.pageNo += 1;

calculatedItems.totalPages += 1;

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

semiUpdate();

height = getTextHeight(

span: angSpan, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems = CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: calculatedItems.pageNo,

totalPages: calculatedItems.totalPages,

angNo: _sourcePageNo);

height += additionalHeight;

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

} else {

height += getTextHeight(

span: span, maxWidth: Contexts.size!.width - 2 * 8.w);

calculatedItems.textSpans.add(span);

height += additionalHeight;

printSizes(height);

}

});

if (calculatedItems.textSpans.isNotEmpty) {

calculatedItems.height = height;

calculatedPages.add(calculatedItems);

}

// change total pages of all calculated items to the length of calculated pages

int p = 0;

calculatedPages.forEach((element) {

element.pageNo = p + 1;

element.totalPages = calculatedPages.length;

p++;

});

}

printSizes(height) {

// print("========== Sizes ===========");

// print(size.height);

// print(height + _getAppbarAndStatusBarHeight());

}

Future<void> getSearchedAng() async {

setState(() {

_isLoading = true;

});

searchedAng = await Reader.search(

searchType: 1,

searchText: widget.searchedAng.toString(),

shabadId: widget.searchedBaaniLine?.shabadId,

// angNo :

// angno : widget.searchedAng,

bookNo: widget.searchedBaaniLine == null

? widget.bookNo

: widget.searchedBaaniLine!.orderId > 60555

? 2

: 1);

setState(() {

_isLoading = false;

});

}

Future<void> goToSearchPage() async {

setState(() {

_isLoading = true;

});

searchedAng = await Reader.search(

searchType: 1,

searchText: widget.searchedAng.toString(),

shabadId: widget.searchedBaaniLine?.shabadId,

// angno : widget.searchedAng,

bookNo: widget.searchedBaaniLine == null

? widget.bookNo

: widget.searchedBaaniLine!.orderId > 60555

? 2

: 1);

setState(() {

_isLoading = false;

});

}

isBookmarked() async {

final prefs = SharedPreferences.getInstance();

final List<BaaniLineModel>? storedItems = await prefs.then((value) => value

.getStringList('myBookmarksList')

?.map((e) => BaaniLineModel.fromJson(jsonDecode(e)))

.toList());

if (storedItems != null) {

if (storedItems.contains(widget.searchedBaaniLine)) {

_isBookMarked = true;

} else {

_isBookMarked = false;

}

return;

}

_isBookMarked = false;

}

saveToBookmarks(BaaniLineModel baaniLine) async {

final List<BaaniLineModel>? storedItems = prefs

.getStringList('myBookmarksList')

?.map((e) => BaaniLineModel.fromJson(jsonDecode(e)))

.toList();

if (storedItems != null) {

if (storedItems.contains(baaniLine)) {

storedItems.remove(baaniLine);

prefs.setStringList('myBookmarksList',

storedItems.map((e) => jsonEncode(e.toJson())).toList());

setState(() {

_isBookMarked = false;

});

ScaffoldMessenger.of(context).showSnackBar(

SnackBar(

content: const Text('Removed from bookmark'),

duration: const Duration(seconds: 2),

action: SnackBarAction(

label: 'Close',

onPressed: () {

// Code to execute.

},

),

);

return;

}

storedItems.add(baaniLine);

prefs.setStringList('myBookmarksList',

storedItems.map((e) => jsonEncode(e.toJson())).toList());

// await isBookmarked();

setState(() {

_isBookMarked = true;

});

ScaffoldMessenger.of(context).showSnackBar(

SnackBar(

content: const Text('Bookmarked'),

duration: const Duration(seconds: 2),

action: SnackBarAction(

label: 'Close',

onPressed: () {

// Code to execute.

},

),

);

} else {

prefs.setStringList('myBookmarksList', [jsonEncode(baaniLine.toJson())]);

setState(() {

_isBookMarked = true;

});

}

Future<void> updateNitnemLists() async {

// print(_linesPerPage);

print(currentAng.count);

// print("================================");

// DateTime t = DateTime.now();

if (currentAng.count == 0) {

setState(() {

_isLoading = true;

});

currentAng = await Reader.getNitnemAngs(nitnemId: _nitnemId);

// currentAng = NitnemService.getNitnemById(id: _nitnemId);

// placeWidgetsToPage();

}

if (currentAng.baaniLines.isEmpty) {

currentAng = DBResult(baaniLines: LinkedList<BaaniLineModel>(), count: 0);

placeWidgetsToPage();

setState(() {

_isLoading = false;

});

_loadedLines = 0;

return;

}

// print( DateTime.now().millisecondsSinceEpoch - t.millisecondsSinceEpoch);

if (_loadedLines >= currentAng.count) {

return;

}

placeWidgetsToPage();

// nextAng = await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo + 1, lines: _linesPerPage, bookNo: _bookNo);

// previousAng = _sourcePageNo ==1 && _pageNo ==1 ? DBResult(baaniLines: List.empty(), count: 0) : _sourcePageNo >=1 && _pageNo ==1 ? _previousChapterTotalPages.isEmpty ? DBResult(baaniLines: List.empty(), count: 0) : await Reader.getAngs(sourcePageNo: _sourcePageNo - 1,pageNo: _previousChapterTotalPages.last, lines: _linesPerPage) : await Reader.getAngs(sourcePageNo: _sourcePageNo,pageNo: _pageNo - 1, lines: _linesPerPage);

setState(() {

_isLoading = false;

});

_loadedLines += _linesPerProcess;

// if(_pageNo >1 && currentAng.baaniLines.length-1 < _linesPerPage*_pageNo){

// // print("reducing page no");

// // _pageNo -= 1;

//

// // _sourcePageNo += 1;

// // return;

// }

}

int _pageNo = 1;

int _sourcePageNo = 1;

int _linesPerPage = 10;

int _bookNo = 1;

bool _isNitnem = false;

int _nitnemId = 1;

// bool _searchviewm = false;

bool _isLoading = false;

bool? isLeftToRight;

String? _title = '';

List<int> _previousChapterTotalPages = <int>[];

Offset _oldPosition = Offset.zero;

@override

void initState() {

_sourcePageNo = widget.pageNo;

// _bookNo = widget.bookNo;

_bookNo = widget.searchedBaaniLine == null

? widget.bookNo

: widget.searchedBaaniLine!.orderId > 60555

? 2

: 1;

// _isbold = widget.

// _showEnglishTransliteration = widget.isEnglishTransliteration;

_isNitnem = widget.isNitnem;

_nitnemId = widget.nitnemId;

_extraBottomPadding = 10.h;

_title = widget.title;

_searchController.clear();

_searchviewm = widget.searchView;

super.initState();

// postFrameCallback();

WidgetsBinding.instance.addPostFrameCallback((_) async {

// await Future.delayed(Duration(milliseconds: 300));

WakelockPlus.enable();

prefs = await SharedPreferences.getInstance();

_isbold = prefs.getBool("boldValue") ?? false;

isbold = prefs.getBool("boldValue") ?? false;

nightmodevalue = prefs.getBool("nightmodevalue") ?? false;

print("$_isbold");

_showEnglishTransliteration =

prefs.getBool('showEnglishTransliteration') ?? false;

_showEnglishTranslation = prefs.getBool('showEnglishTranslation') ?? true;

_showPunjabiTranslation = prefs.getBool('showPunjabiTranslation') ?? true;

_showPunjabiTeekaTranslation =

prefs.getBool('showPunjabiTeekaTranslation') ?? false;

_showHindiTranslation = prefs.getBool('showHindiTranslation') ?? false;

_showHindiTeekaTranslation =

prefs.getBool('showHindiTeekaTranslation') ?? false;

_showFaridkotTeekaTranslation =

prefs.getBool('showFaridkotTeekaTranslation') ?? false;

_language = Languages.values[prefs.getInt('language') ?? 0];

print('$_language');

_initialized = true;

resetLinesPerPage();

isBookmarked();

if (widget.searchView) {

//

// searchedAng = _pageNo as DBResult;

// widget.searchedBaaniLine!.sourcePage!;

//

}

});

// updateGurbaniLists(); //kro

// setState(() {

// });

}

@override

void dispose() {

WakelockPlus.disable();

super.dispose();

}

semiUpdate() {

if (calculatedPages.length == 1) {

setState(() {});

}

resetLinesPerPage() {

if (widget.searchView) {

getSearchedAng();

return;

}

int linesToShow = 0;

if (_language == Languages.Both) {

linesToShow = 2;

} else {

linesToShow = 1;

}

if (_bookNo == 1) {

if (_showEnglishTransliteration) {

linesToShow += 1;

}

if (_showEnglishTranslation) {

linesToShow += 1;

}

if (_showPunjabiTranslation) {

linesToShow += 1;

}

if (_showPunjabiTeekaTranslation) {

linesToShow += 1;

}

if (_showHindiTranslation) {

linesToShow += 1;

}

if (_showHindiTeekaTranslation) {

linesToShow += 1;

}

if (_showFaridkotTeekaTranslation) {

linesToShow += 1;

}

} else {

if (_showEnglishTransliteration) {

linesToShow += 1;

}

if (_showEnglishTranslation) {

linesToShow += 1;

}

_linesPerPage = (10 - linesToShow);

// _linesPerPage = _language == Languages.Both && _showEnglishTransliteration ? 6 : _language == Languages.Both && !_showEnglishTransliteration ? 7 : _showEnglishTransliteration ? 7 : 10;

if (_isNitnem) {

updateNitnemLists();

} else {

updateGurbaniLists();

}

// double _lineHeight({required Text textWidget}) {

// final textPainter = TextPainter(

// text: textWidget.text!.textSpan,

// textDirection: TextDirection.ltr,

// maxLines: 999, // A large number to ensure we get an accurate estimate

// );

//

// textPainter.layout(maxWidth: widget.maxWidth);

// textPainter.computeLineMetrics().length;

// setState(() {

// });

// }

goToSourcePage(int sourcePageNo) {

_sourcePageNo = sourcePageNo;

_pageNo = 1;

_previousChapterTotalPages.clear();

updateGurbaniLists();

}

scrollToPosition() {

var p = _itemPositionListener.itemPositions.value;

// print("======================================================");

// print(p.first.index);

// print(p.last.index);

WidgetsBinding.instance.addPostFrameCallback((_) async {

await Future.delayed(const Duration(milliseconds: 100));

_itemScrollController.scrollTo(

index: p.last.index, duration: const Duration(milliseconds: 100));

});

// _itemScrollController.scrollTo(index: p.first.index, duration: const Duration(milliseconds: 100));

}

@override

Widget build(BuildContext context) {

final Size mqSize = MediaQuery.of(context).size;

print(widget.bookNo);

print("=================================");

// print(searchedAng.baaniLines.first.sp);

print(widget.searchedBaaniLine?.sourcePage);

return SafeArea(

child: Scaffold(

backgroundColor: nightmodevalue ? whiteColor : blackColor,

drawer: Drawer(

width: mqSize.width * 0.8,

child: ListView(

children: _isNitnem

? [

const SizedBox(height: 15),

const Row(

children: [

// Logo

Padding(

padding: EdgeInsets.only(left: 18.0),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 26, // specify size if needed

),

// Data Sources text

Padding(

padding:

EdgeInsets.only(left: 8.0, top: 5, bottom: 5),

child: Text(

'Data Sources: Sundar Gutka',

overflow: TextOverflow.ellipsis,

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

),

],

),

const SizedBox(height: 10),

Row(

children: [

const Padding(

padding: EdgeInsets.only(left: 18.0),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 26, // specify size if needed

),

const SizedBox(width: 10),

Text(

'Baani: ${_title}',

style: const TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

),

],

),

const SizedBox(height: 15),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 20),

const Padding(

padding: EdgeInsets.only(left: 18.0, top: 10),

child: Text(

'Translations : -',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

// const SizedBox(height: 15),

const SizedBox(height: 10),

ListTile(

title: const Text('English Transliteration',

style: TextStyle(

fontWeight: FontWeight.bold, fontSize: 18)),

trailing: Switch(

value: _showEnglishTransliteration,

onChanged: (value) {

_showEnglishTransliteration = value;

prefs.setBool('showEnglishTransliteration', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

),

if (!Contexts.nitnemEngTranslationExceptions

.contains(_nitnemId))

ListTile(

title: const Text('English Translation',

style: TextStyle(

fontWeight: FontWeight.bold, fontSize: 18)),

trailing: Switch(

value: _showEnglishTranslation,

onChanged: (value) {

_showEnglishTranslation = value;

prefs.setBool('showEnglishTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

),

if (!Contexts.nitnemPunTranslationExceptions

.contains(_nitnemId))

ListTile(

title: const Text('Punjabi Translation',

style: TextStyle(

fontWeight: FontWeight.bold, fontSize: 18)),

trailing: Switch(

value: _showPunjabiTranslation,

onChanged: (value) {

_showPunjabiTranslation = value;

prefs.setBool('showPunjabiTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

),

if (!Contexts.nitnemPTTranslationExceptions

.contains(_nitnemId))

ListTile(

title: const Text('Punjabi Teeka',

style: TextStyle(

fontWeight: FontWeight.bold, fontSize: 18)),

trailing: Switch(

value: _showPunjabiTeekaTranslation,

onChanged: (value) {

_showPunjabiTeekaTranslation = value;

prefs.setBool('showPunjabiTeekaTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

),

if (!Contexts.nitnemFTTranslationExceptions

.contains(_nitnemId))

ListTile(

title: const Text('Faridkot Teeka',

style: TextStyle(

fontWeight: FontWeight.bold, fontSize: 18)),

trailing: Switch(

value: _showFaridkotTeekaTranslation,

onChanged: (value) {

_showFaridkotTeekaTranslation = value;

prefs.setBool(

'showFaridkotTeekaTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 15),

const Padding(

padding:

EdgeInsets.only(left: 18.0, top: 10.0, bottom: 3.0),

child: Text(

'Select Baani Language :',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

const SizedBox(height: 10),

ListTile(

title: const Text(

'Language ',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: DropdownButton<Languages>(

value: _language,

onChanged: (Languages? newValue) {

_language = newValue!;

prefs.setInt('language', newValue.index);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

items: Languages.values

.map<DropdownMenuItem<Languages>>(

(Languages value) {

return DropdownMenuItem<Languages>(

value: value,

child: Text(

value.toString().split('.').last,

style: const TextStyle(

fontWeight: FontWeight.bold, fontSize: 18),

),

);

}).toList(),

),

]

: _bookNo == 1

? [

const SizedBox(height: 20),

const Row(

children: [

// Logo

Padding(

padding: EdgeInsets.only(left: 18.0),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 24, // specify size if needed

),

// Data Sources text

Padding(

padding: EdgeInsets.only(

left: 10.0, top: 5, bottom: 5),

child: Text(

'Source: Guru Granth Sahib Ji',

overflow: TextOverflow.ellipsis,

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

),

],

),

Row(

children: [

// Logo

const Padding(

padding: EdgeInsets.only(left: 18.0),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 24, // specify size if needed

),

// Data Sources text

// woking for AK

_searchviewm

? Padding(

padding: const EdgeInsets.only(

left: 10.0, top: 5, bottom: 5),

child: Text(

'Ang - : ${widget.searchedAng}',

style: const TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

))

: Padding(

padding: const EdgeInsets.only(

left: 10.0, top: 5, bottom: 5),

child: Text(

'Ang - : $_sourcePageNo',

style: const TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

)),

],

),

const SizedBox(height: 10),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 10),

const Padding(

padding: EdgeInsets.only(left: 18.0, top: 10),

child: Text(

'Translations :',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

const SizedBox(height: 15),

ListTile(

title: const Text(

'English Transliteration',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showEnglishTransliteration,

onChanged: (value) {

_showEnglishTransliteration = value;

prefs.setBool(

'showEnglishTransliteration', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'English Translation',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showEnglishTranslation,

onChanged: (value) {

_showEnglishTranslation = value;

prefs.setBool('showEnglishTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'Punjabi Translation',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showPunjabiTranslation,

onChanged: (value) {

_showPunjabiTranslation = value;

prefs.setBool('showPunjabiTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'Punjabi Teeka',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showPunjabiTeekaTranslation,

onChanged: (value) {

_showPunjabiTeekaTranslation = value;

prefs.setBool(

'showPunjabiTeekaTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'Faridkot Teeka',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showFaridkotTeekaTranslation,

onChanged: (value) {

_showFaridkotTeekaTranslation = value;

prefs.setBool(

'showFaridkotTeekaTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

// ListTile(

// title: const Text('Hindi Translation'),

// trailing: Switch(

// value: _showHindiTranslation,

// onChanged: (value) {

// _showHindiTranslation = value;

// resetLinesPerPage();

// },

// ),

// ListTile(

// title: const Text('Hindi Teeka'),

// trailing: Switch(

// value: _showHindiTeekaTranslation,

// onChanged: (value) {

// _showHindiTeekaTranslation = value;

// resetLinesPerPage();

// },

// ),

const SizedBox(height: 10),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 15),

const Padding(

padding: EdgeInsets.only(

left: 18.0, top: 10.0, bottom: 3.0),

child: Text(

'Select Baani Language :',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

const SizedBox(height: 10),

ListTile(

title: const Text(

'Language',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: DropdownButton<Languages>(

value: _language,

onChanged: (Languages? newValue) {

_language = newValue!;

prefs.setInt('language', newValue.index);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

},

items: Languages.values

.map<DropdownMenuItem<Languages>>(

(Languages value) {

return DropdownMenuItem<Languages>(

value: value,

child: Text(value.toString().split('.').last,

style: const TextStyle(

fontWeight: FontWeight.bold,

fontSize: 18)),

);

}).toList(),

),

]

: [

const SizedBox(height: 20),

const Row(

children: [

// Logo

Padding(

padding: EdgeInsets.only(left: 10.0),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 26, // specify size if needed

),

// Data Sources text

Padding(

padding:

EdgeInsets.only(left: 8.0, top: 5, bottom: 5),

child: Text(

'Source: Dasam Granth Sahib',

overflow: TextOverflow.ellipsis,

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

),

],

),

Row(

children: [

// Logo

const Padding(

padding: EdgeInsets.only(

left: 10.0,

),

child: Icon(

Icons.info,

color: Colors.red, // specify color if needed

size: 24, // specify size if needed

),

// Data Sources text

_searchviewm

? Padding(

padding: const EdgeInsets.only(

left: 10.0, top: 5, bottom: 5),

child: Text(

'Ang - : ${widget.searchedAng}',

style: const TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

))

: Padding(

padding: const EdgeInsets.only(

left: 10.0, top: 5, bottom: 5),

child: Text(

'Ang - : $_sourcePageNo',

style: const TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold),

)),

//

],

),

const SizedBox(height: 10),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 20),

const Padding(

padding: EdgeInsets.only(left: 18.0, top: 10),

child: Text(

'Translations : -',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

const SizedBox(height: 10),

ListTile(

title: const Text(

'English Transliteration',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showEnglishTransliteration,

onChanged: (value) {

_showEnglishTransliteration = value;

prefs.setBool(

'showEnglishTransliteration', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'English Translation',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showEnglishTranslation,

onChanged: (value) {

_showEnglishTranslation = value;

prefs.setBool('showEnglishTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

ListTile(

title: const Text(

'Punjabi Translation',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

trailing: Switch(

value: _showPunjabiTranslation,

onChanged: (value) {

_showPunjabiTranslation = value;

prefs.setBool('showPunjabiTranslation', value);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

if (widget.searchView) {

scrollToPosition();

}

},

),

const SizedBox(height: 10),

const Divider(

height: 1,

color: blackColor,

),

const SizedBox(height: 10),

const Padding(

padding: EdgeInsets.only(

left: 18.0, top: 10.0, bottom: 3.0),

child: Text(

'Select Baani Language :',

style: TextStyle(

color: blackColor,

fontSize: 18,

fontWeight: FontWeight.bold,

),

const SizedBox(height: 10),

ListTile(

title: const Text(

'Language',

style: TextStyle(

color: blackColor,

fontSize: 19,

fontWeight: FontWeight.bold,

),

trailing: DropdownButton<Languages>(

value: _language,

onChanged: (Languages? newValue) {

_language = newValue!;

prefs.setInt('language', newValue.index);

_pageNo = 1;

_loadedLines = 0;

calculatedPages.clear();

resetLinesPerPage();

// if(!value) {

// scrollToPosition();

// }

},

items: Languages.values

.map<DropdownMenuItem<Languages>>(

(Languages value) {

return DropdownMenuItem<Languages>(

value: value,

child: Text(value.toString().split('.').last,

style: const TextStyle(

fontWeight: FontWeight.bold,

fontSize: 18)),

);

}).toList(),

),

],

),

appBar: AppBar(

title: Text(widget.title ?? 'Gurbani'),

actions: [

if (!widget.searchView && !_isNitnem)

IconButton(

icon: const Icon(Icons.search),

onPressed: () {

_showSearch = !_showSearch;

setState(() {});

},

),

widget.searchView && widget.searchedBaaniLine != null

? IconButton(

icon: Icon(

_isBookMarked ? Icons.favorite : Icons.favorite_outline,

color: whiteColor,

),

onPressed: () async {

await saveToBookmarks(widget.searchedBaaniLine!);

setState(() {

// _isBookMarked = !_isBookMarked;

});

},

)

: Container(),

IconButton(

icon: const Icon(

Icons.build,

color: whiteColor,

),

onPressed: () {

Helper.toScreen(context, const Settings());

},

),

],

),

body: widget.searchView

? BaaniPageView(

baaniLines: searchedAng,

linesPerPage: searchedAng.count,

language: _language,

showEnglishTransliteration: _showEnglishTransliteration,

showEnglishTranslation: _showEnglishTranslation,

showPunjabiTranslation: _showPunjabiTranslation,

showPunjabiTeekaTranslation: _showPunjabiTeekaTranslation,

showFaridkotTeekaTranslation: _showFaridkotTeekaTranslation,

showHindiTranslation: _showHindiTranslation,

showHindiTeekaTranslation: _showHindiTeekaTranslation,

// language: _language,

isLoading: _isLoading,

searchedLine: widget.searchedBaaniLine,

showPageNo: false,

itemPositionListener: _itemPositionListener,

itemScrollController: _itemScrollController, isbold: isbold,

nightmodevalue: nightmodevalue,

)

: Stack(

children: [

Container(

color: nightmodevalue ? whiteColor : blackColor,

height: Contexts.size!.height -

_getAppbarAndStatusBarHeight() +

_extraBottomPadding,

width: Contexts.size!.width,

child: Center(

child: CalculatedViewWidget(

baaniLines: calculatedPages.isEmpty ||

calculatedPages.length <= 1 ||

calculatedPages.length <= _pageNo

? CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: 0,

totalPages: 0)

: calculatedPages.elementAt(_pageNo),

isLoading: _isLoading,

),

SizedBox(

width: Contexts.size!.width,

height: Contexts.size!.height -

_getAppbarAndStatusBarHeight() +

_extraBottomPadding,

child: GestureDetector(

child: FlipWidget(

key: _flipKey,

textureSize: Size(

Contexts.size!.width,

Contexts.size!.height -

_getAppbarAndStatusBarHeight() +

_extraBottomPadding) *

1,

// leftToRight: true, //

child: Container(

color: nightmodevalue ? whiteColor : blackColor,

child: Center(

child: CalculatedViewWidget(

baaniLines: calculatedPages.isEmpty

? CalculatedItems(

textSpans: List.empty(growable: true),

pageNo: 0,

totalPages: 0)

: calculatedPages.elementAt(

(_pageNo < 1 ? 1 : _pageNo) - 1),

isLoading: _isLoading,

),

onHorizontalDragStart: (details) {

_oldPosition = details.globalPosition;

_flipKey.currentState?.startFlip();

},

onHorizontalDragUpdate: (details) {

Offset off = details.globalPosition - _oldPosition;

double tilt = 1 / _clampMin((-off.dy + 20) / 100);

double percent =

math.max(0, -off.dx / Contexts.size!.width * 1.4);

percent = percent - percent / 2 * (1 - 1 / tilt);

_flipKey.currentState?.flip(percent, tilt);

if (details.primaryDelta! > 0) {

isLeftToRight = true;

} else if (details.primaryDelta! < 0) {

isLeftToRight = false;

} else {

isLeftToRight = null;

}

_isDragging = true;

},

onHorizontalDragEnd: (details) {

if (!_isDragging) {

return;

}

_isDragging = false;

_flipKey.currentState?.stopFlip();

if (isLeftToRight == true) {

if (_sourcePageNo == 1 && _pageNo == 1) {

return;

} else if (_sourcePageNo >= 1 && _pageNo == 1) {

_sourcePageNo -= 1;

if (_sourcePageNo < 1) {

_sourcePageNo = 1;

}

_pageNo = _previousChapterTotalPages.isEmpty

? 0

: _previousChapterTotalPages.last;

if (_previousChapterTotalPages.isNotEmpty) {

_previousChapterTotalPages.removeLast();

}

// print(_history.length);

if (_history.length > 0) {

calculatedPages.clear();

calculatedPages

.addAll(_history.last.calculatedItems);

currentAng = _history.last.lines;

_loadedLines = _history.last.loadedLines;

_pageNo = _history.last.pageNo;

_sourcePageNo = _history.last.sourcePageNo;

_history.last.unlink();

}

} else if (_sourcePageNo >= 1 && _pageNo >= 1) {

_pageNo -= 1;

// print(_pageNo);

}

} else if (isLeftToRight == false) {

_pageNo += 1;

}

if (isLeftToRight != null) {

if (_isNitnem) {

// if(currentAng.baaniLines.length - (_linesPerPage * (_pageNo)) <0){

// _pageNo = (currentAng.baaniLines.length/_linesPerPage).ceil();

// // return;

// }

if (_pageNo > calculatedPages.length) {

_pageNo = calculatedPages.length;

return;

}

updateNitnemLists();

} else {

if (_loadSourceLines) {

if (_loadedLines >= currentAng.count) {

if (calculatedPages.length - (_pageNo) < 0) {

HistoryItem history = HistoryItem(

calculatedItems: calculatedPages.toList(),

lines: currentAng,

sourcePageNo: _sourcePageNo,

pageNo: _pageNo - 1,

loadedLines: _loadedLines);

_history.add(history);

_pageNo = 1;

_sourcePageNo += 1;

calculatedPages.clear();

_loadedLines = 0;

// return;

} else {

// return;

}

// if((currentAng.baaniLines.length - (_linesPerPage * (_pageNo)) <0) && (currentAng.baaniLines.length - (_linesPerPage * (_pageNo-1)) <=0)){

// _pageNo = 1;

// _sourcePageNo += 1;

// // return;

// }

// updateGurbaniLists();

// return;

}

updateGurbaniLists(); //kro

}

setState(() {});

}

// Navigator.push(

// context,

// MaterialPageRoute(

// builder: (context) => HomeScreen(

// offset: widget.offset + 10,

// )));

},

onHorizontalDragCancel: () {

_flipKey.currentState?.stopFlip();

},

),

// Positioned(

// bottom: 10,

// right: 10,

// child: Column(

// children: [

// IconButton(

// onPressed: () => Navigator.push(

// context,

// MaterialPageRoute(

// builder: (context) => HomeScreen(

// offset: widget.offset - 10,

// ))),

// icon: const Icon(

// Icons.arrow_back,

// color: Colors.white,

// )),

// IconButton(

// onPressed: () => Navigator.push(

// context,

// MaterialPageRoute(

// builder: (context) => HomeScreen(

// offset: widget.offset + 10,

// ))),

// icon: const Icon(Icons.arrow_forward,

// color: Colors.white)),

// ],

// ))

],

),

floatingActionButton: _showSearch

? Container(

margin: EdgeInsets.only(top: 60.h, left: 10.w, right: 10.w),

color: Colors.white.withOpacity(.9),

child: TextField(

controller: _searchController,

textInputAction: TextInputAction.search,

keyboardType: TextInputType.number,

inputFormatters: [

FilteringTextInputFormatter.allow(RegExp(r'^[0-9]+$')),

],

onSubmitted: (value) {

int inputPageNo = int.parse(value);

if ((_bookNo == 1 &&

(inputPageNo < 1 ||

inputPageNo > maxvalueofBook1)) ||

(_bookNo == 2 &&

(inputPageNo < 1 ||

inputPageNo > maxvalueofBook2))) {

if (_bookNo == 1) {

errorMessage =

"Please enter a page number between 1 and $maxvalueofBook1.";

} else if (_bookNo == 2) {

errorMessage =

"Please enter an ang number between 1 and $maxvalueofBook2.";

}

showDialog(

context: context,

builder: (context) {

return AlertDialog(

title: const Text(

"Invalid Input",

style: TextStyle(

color: Colors.black,

fontWeight: FontWeight.bold),

),

content: Text(

errorMessage,

style: const TextStyle(

color: Colors.black,

fontWeight: FontWeight.bold),

),

actions: <Widget>[

TextButton(

onPressed: () {

Navigator.of(context).pop();

_searchController.clear();

},

child: const Text("OK"),

),

],

);

},

);

} else {

HistoryItem history = HistoryItem(

calculatedItems: calculatedPages.toList(),

lines: currentAng,

sourcePageNo: _sourcePageNo,

pageNo: _pageNo,

loadedLines: _loadedLines);

_history.add(history);

calculatedPages.clear();

_loadedLines = 0;

_sourcePageNo = int.parse(value);

_pageNo = 1;

updateGurbaniLists();

setState(() {

_showSearch = false;

_searchController.clear();

});

}

},

decoration: InputDecoration(

hintText: 'Search',

hintStyle: const TextStyle(

color: Colors.black, fontWeight: FontWeight.bold),

prefixIcon: const Icon(

Icons.search,

color: Colors.black,

),

suffixIcon: IconButton(

icon: const Icon(

Icons.close,

color: Colors.black,

),

onPressed: () {

_searchController.clear();

setState(() {

_showSearch = false;

});

},

),

border: OutlineInputBorder(

borderRadius: BorderRadius.circular(10.r),

borderSide: BorderSide(

width: 1.r,

style: BorderStyle.solid,

),

filled: true,

contentPadding: EdgeInsets.all(16.r),

fillColor: Colors.white.withOpacity(0.1),

),

style: const TextStyle(

color: blackColor, fontWeight: FontWeight.bold),

))

: null,

floatingActionButtonLocation: FloatingActionButtonLocation.centerTop,

),

);

}

class BaaniSearchDelegate extends SearchDelegate<BaaniLineModel> {

@override

List<Widget> buildActions(BuildContext context) {

return [

IconButton(

icon: const Icon(Icons.clear),

onPressed: () {

query = '';

},

),

];

}

@override

Widget buildLeading(BuildContext context) {

return IconButton(

icon: const Icon(Icons.arrow_back),

onPressed: () => Navigator.of(context).pop(),

);

}

@override

Widget buildResults(BuildContext context) {

return Container(

child: const Center(

child: Text('Search Results'),

),

);

}

@override

Widget buildSuggestions(BuildContext context) {

return Container(

child: const Center(

child: Text('Enter Page no to show'),

),

);

}

/*

BaaniPageView(

baaniLines: _loadSourceLines || _isNitnem ?

currentAng.baaniLines.length ~/ (_linesPerPage*(_pageNo)) ==0 ?

DBResult(baaniLines: List.empty(), count: 0) :

currentAng.baaniLines.length < _pageNo*_linesPerPage ?

DBResult(baaniLines: List.empty(), count: 0) :

DBResult(

baaniLines: currentAng.baaniLines.sublist(

_pageNo*_linesPerPage ,

(_pageNo+1)*_linesPerPage >= currentAng.baaniLines.length ?

currentAng.baaniLines.length :

(_pageNo+1)*_linesPerPage),

nextAng,

pageNo: (currentAng.count/_linesPerPage).ceil() == _pageNo ? 1 : _pageNo+1,

totalPages: _loadSourceLines || _isNitnem ? (currentAng.count/_linesPerPage).ceil() : (nextAng.count/_linesPerPage).ceil(),

linesPerPage: _linesPerPage,

showEnglishTransliteration: _showEnglishTransliteration,

showEnglishTranslation: _showEnglishTranslation,

showPunjabiTranslation: _bookNo == 1 ? _showPunjabiTranslation : false,

showPunjabiTeekaTranslation: _showPunjabiTeekaTranslation,

showFaridkotTeekaTranslation: _showFaridkotTeekaTranslation,

showHindiTranslation: _showHindiTranslation,

showHindiTeekaTranslation: _showHindiTeekaTranslation,

language: _language,

isLoading: _isLoading,

showAng: _isNitnem ? false : true,

),

========================================================

BaaniPageView(

baaniLines: _loadSourceLines || _isNitnem ?

currentAng.baaniLines.length < _pageNo*_linesPerPage ?

_pageNo >1 ?

DBResult(

baaniLines: currentAng.baaniLines.sublist(

(_pageNo-1)*_linesPerPage,

(_pageNo)*_linesPerPage >= currentAng.baaniLines.length ?

currentAng.baaniLines.length :

_pageNo*_linesPerPage

),

) :

DBResult(baaniLines: List.empty(), count: 0) :

DBResult(

baaniLines: currentAng.baaniLines.sublist(

(_pageNo-1)*_linesPerPage,

(_pageNo)*_linesPerPage >= currentAng.baaniLines.length ?

currentAng.baaniLines.length :

_pageNo*_linesPerPage

),

) : currentAng,

pageNo: _pageNo,

totalPages: (currentAng.count/_linesPerPage).ceil(),

linesPerPage: _linesPerPage,

showEnglishTransliteration: _showEnglishTransliteration,

showEnglishTranslation: _showEnglishTranslation,

showPunjabiTranslation: _bookNo == 1 ? _showPunjabiTranslation : false,

showPunjabiTeekaTranslation: _showPunjabiTeekaTranslation,

showFaridkotTeekaTranslation: _showFaridkotTeekaTranslation,

showHindiTranslation: _showHindiTranslation,

showHindiTeekaTranslation: _showHindiTeekaTranslation,

language: _language,

isLoading: _isLoading,

showAng: _isNitnem ? false : true,

),

*/

[text] tilere

Viewer

Editor

Tools

[text] tilere

Viewer

Editor