Asset-App/lib/asset_details.dart

import 'dart:io';
import 'util/photo_viewer.dart';
import 'package:assetstock/util/dbHandler.dart';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'main.dart';
import 'util/Models.dart';

class AssetDetails extends StatefulWidget {
//  AssetDetails({Key key}) : super(key: key);
  int no;
  List<String>lokasi;
  AssetDetails({this.no,this.lokasi});
  @override
  _AssetDetailsState createState() => _AssetDetailsState();
}

class _AssetDetailsState extends State<AssetDetails> with TickerProviderStateMixin {
  final barCode = new TextEditingController();
  final prefixCode = new TextEditingController();
  final qty = new TextEditingController();
  final ket = new TextEditingController();
  TabController _controller;
  int _currentIndex;
  Asset _asset = new Asset();
  final focusNode = new FocusNode();
  bool isAppend = false;

  loadAsset()async{
    var blob = await DBHelper.database.getBlobbyNo(widget.no);
    if(blob!=null){
      var result = await DBHelper.database.searchbyTagNumber(blob.tag_number.toUpperCase());
      if(result['DATA']!=null) {
        result['DATA'].blob = blob.blob;
        result['DATA'].no = widget.no;
        result['DATA'].keterangan = blob.keterangan;
      }
      else util.showToast('Alert', 'Asset data not found');
      String tag_number = result['DATA'].tag_number;
      int  separator = tag_number.lastIndexOf('/')+1;
      setState(() {
        _asset = result['DATA'];
        prefixCode.text = tag_number.substring(0,separator);
        barCode.text = tag_number.substring(separator);
        ket.text = result['DATA'].keterangan;
      });
    }
    else{
      util.showToast('Alert', 'Asset data not found');
    }
  }

  @override
  void initState() {
    // TODO: implement initState
    super.initState();
    qty.text='1';
    _controller = new TabController(length: 1, vsync: this);
    _controller.addListener(() {
      setState(() {
        _currentIndex = _controller.index;
      });
    });
    if(widget.no!=null){
      loadAsset();
    }
  }
  findAsset(query,{silent=false})async{
    var result = await DBHelper.database.searchbyTagNumber(query.toUpperCase());
    if(result['DATA']!=null){
      if(result['EXIST']){
        if(widget.no==null){
          setState(() {
            isAppend=false;
            barCode.text = '';
            ket.text = '';
            _asset = new Asset();
          });
          FocusScope.of(context).requestFocus(focusNode);
        }
        else{
          String tag_number = _asset.tag_number;
          int  separator = tag_number.lastIndexOf('/')+1;
          setState(() {
            prefixCode.text = tag_number.substring(0,separator);
            barCode.text = tag_number.substring(separator);
          });
        }
        if(!silent)util.showToast('Alert', 'Asset data already inserted');
      }
      else{
        var image;
        if(_asset.blob!=null)image=_asset.blob;
        setState(() {
          isAppend=false;
          _asset = result['DATA'];
          if(image!=null)_asset.blob = image;
          _asset.no = widget.no;
        });
      }
    }
    else{
      var image;
      if(_asset.blob!=null)image=_asset.blob;
      setState(() {
        // barCode.text = '';
        isAppend=true;
        // ket.text = '';
        _asset = new Asset();
        if(image!=null)_asset.blob = image;
        _asset.tag_number = query.toUpperCase();
        _asset.no = widget.no;
      });
      // FocusScope.of(context).requestFocus(focusNode);
      if(!silent)util.showToast('Alert', 'Asset data not found');
    }
  }
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomPadding: true,
      body: Container(
        padding: EdgeInsets.only(top: 20,bottom: 50),
        color: Colors.grey.withOpacity(0.3),
        child: Column(
          children: <Widget>[
            Expanded(
              flex: 5,
              child: Column(
                children: <Widget>[
                  Expanded(
                    flex:18,
                    child: TabBarView(
                      controller: _controller,
                      children: <Widget>[
                        Padding(
                          padding:  EdgeInsets.only(top:20,left: 20,right: 20),
                          child: Stack(
                            children: <Widget>[
                              Container(color: Colors.grey,),
                              Positioned.fill(child: InkWell(onTap: ()async{
                                var image = await picker.getImage(source: ImageSource.camera,imageQuality: 60,maxWidth: 600);
                                if(image!=null){
                                  _asset.blob = await image.readAsBytes();
                                  setState(() {
                                  });
                                  print(File(image.path).lengthSync()/1024);
                                  File(image.path).deleteSync();
                                }
                              },child: Container(
                                decoration: BoxDecoration(
                                  image: (_asset!=null&&_asset.blob!=null)?DecorationImage(
                                    image: MemoryImage(_asset.blob),
                                    fit: BoxFit.fitWidth
                                  ):null
                                ),
                                  child: (_asset!=null&&_asset.blob!=null)?null:Icon(Icons.camera_alt,size: 200,color: Colors.white,))))
                            ],
                          ),
                        ),
//                        Padding(
//                          padding:  EdgeInsets.only(top:20,left: 20,right: 20),
//                          child: Stack(
//                            children: <Widget>[
//                              Container(color: Colors.grey,),
//                              Positioned.fill(child: InkWell(onTap: ()async{
//                                await picker.getImage(source: ImageSource.camera);
//                              },child: Container(child: Icon(Icons.camera_alt,size: 200,color: Colors.white,))))
//                            ],
//                          ),
//                        ),
                      ],
                    ),
                  ),
                  Expanded(
                    flex:1,
                    child:
                      Container(
//                        color: Colors.grey,
//                        child: TabBar(
//                          indicatorColor: Colors.blueGrey,
//                          controller: _controller,
//                          labelColor: Colors.blueGrey,
//                          labelStyle: TextStyle(
//                            fontSize: 17,
//                            fontWeight: FontWeight.bold
//                          ),
//                          unselectedLabelStyle: TextStyle(
//                              fontSize: 16
//                          ),
//                          indicatorSize: TabBarIndicatorSize.label,
//                          tabs: <Widget>[
//                            Tab(
//                              text: 'Asset',
//                            ),
//                            Tab(
//                              text: 'Barcode',
//                            ),
//                          ],
//                        ),
                      )
                  ),
                ],
              ),
            ),
            Expanded(
              flex: 5,
              child: Container(
                color: Colors.white,
                padding: EdgeInsets.all(20),
                child: SingleChildScrollView(
                  scrollDirection: Axis.vertical,
                  child: Column(
                    mainAxisAlignment: MainAxisAlignment.start,
                    children: <Widget>[
                      (_asset.tag_number!=null)?Container(
                        alignment: Alignment.centerRight,
                        child: InkWell(
                          onTap: ()async {
                            var result = await DBHelper.database.getRefBlob(_asset.tag_number);
                            if(result!=null){
                              if(result.blob!=null) Navigator.push(context, MaterialPageRoute(builder: (context) => PhotoViewer(result.blob,)));
                              else util.showToast('ALERT', "No Archived Images yet");
                            }
                            else util.showToast('ALERT', "No Archived Images yet");
                            //showPhoto
                          },
                          child: Padding(
                            padding: const EdgeInsets.all(4.0),
                            child: Text('Archived images',style: TextStyle(color: Colors.indigo, decoration: TextDecoration.underline,),),
                          ),
                        ),
                      ):Container(),
                      (_asset.tag_number!=null)?SizedBox(height: 5,):Container(),
                      Row(
                        children: <Widget>[
                          Expanded(
                            flex:3,
                            child: Container(
                              child: TextField(
                                controller: prefixCode,
                                autofocus: (widget.no==null),
                                onSubmitted: (value)async{
                                  String query = value.replaceAll('*', '');
                                    query = query.substring(0,query.lastIndexOf('/')+1);
                                  setState(() {
                                    prefixCode.text = query;
                                  });
                                  if(prefixCode.text!=''&&barCode.text!='')await findAsset(prefixCode.text+barCode.text);
                                  else FocusScope.of(context).requestFocus(focusNode);
                                  },
                                decoration: InputDecoration(
                                    hintText: "Prefix code",
                                    alignLabelWithHint: true,
                                ),
                              ),
                            ),
                          ),
                          SizedBox(width: 10,),
                          Expanded(
                            flex:3,
                            child: Container(
                              child: TextField(
                                controller: barCode,
                                focusNode: focusNode,
                                autofocus: (widget.no==null),
                                onSubmitted: (value)async{
                                  String query = value.replaceAll('*', '');
                                  if(prefixCode.text!=''){
                                    query = query.replaceAll(prefixCode.text.toUpperCase(), '');
                                  }
                                  else{
                                    if(query.contains('/'))query = query.substring(query.lastIndexOf('/'));
                                    util.showToast('ALERT', 'Please fill the prefix first');
                                  }
                                  setState(() {
                                    barCode.text = query;
                                  });
                                  if(prefixCode.text!=''&&barCode.text!='')await findAsset(prefixCode.text+barCode.text);
                                },
                                decoration: InputDecoration(
                                    hintText: "Suffix / Barcode",
                                    alignLabelWithHint: true,
                                    suffixIcon: InkWell(onTap: ()async{
                                      if(prefixCode.text!=''){
                                        var scan = await util.scan();
                                        if(scan['STATUS']==1){
                                          String query = scan['DATA'];
                                          // print("$query != ${prefixCode.text.toUpperCase()}");
                                          setState(() {
                                            query = query.trim().replaceAll(prefixCode.text.toUpperCase(), '');
                                            barCode.text = query;
                                          });
                                          if(prefixCode.text!=''&&barCode.text!='')await findAsset(prefixCode.text+barCode.text);
                                        }
                                      }
                                      else util.showToast('ALERT', 'Please fill the prefix first');
                                    },child: Icon(Icons.center_focus_strong))
                                ),
                              ),
                            ),
                          ),
                          Expanded(flex: 1,
                          child: Container(
                            alignment: Alignment.centerRight,
                            child: Text('Qty :'),
                          ),),
                          Expanded(
                            flex:2,
                            child: Container(
                              child: TextField(
                                enabled: false,
                                keyboardType: TextInputType.number,
                                decoration: InputDecoration(
                                  contentPadding: EdgeInsets.all(8)
                                ),
                                controller: qty,
                              ),
                            ),
                          ),
                        ],
                      ),
                      SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('Note ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: TextField(
                                controller: ket,
                                decoration: InputDecoration(
                                  hintText: "Insert Note here",
                                ),
                              ),
                            ),
                          ],
                        ),
                      ),
                     SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('Asset No ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: Text((_asset.asset_no??'-')=='null'?'-':_asset.asset_no??'-',style: TextStyle(fontSize: 16),),
                            ),
                          ],
                        ),
                      ),
                      SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('Asset Desc ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: Text(_asset.asset_desc??'-',style: TextStyle(fontSize: 16),),
                            ),
                          ],
                        ),
                      ),
                      SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('PIC ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: Text(_asset.pic??'-',style: TextStyle(fontSize: 16),),
                            ),
                          ],
                        ),
                      ),
                      SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('Lantai ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: Text(_asset.lantai??'-',style: TextStyle(fontSize: 16),),
                            ),
                          ],
                        ),
                      ),
                      SizedBox(height: 5,),
                      Container(
                        alignment: Alignment.centerLeft,
                        height: 50,
                        child: Row(
                          children: <Widget>[
                            Expanded(
                              flex : 3,
                              child: Text('Ruang ',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 1,
                              child: Text(':',style: TextStyle(fontSize: 16),),
                            ),
                            Expanded(
                              flex : 7,
                              child: Text(_asset.ruangan??'-',style: TextStyle(fontSize: 16),),
                            ),
                          ],
                        ),
                      ),
//                      SizedBox(height: 5,),
//                      Container(
//                        alignment: Alignment.centerLeft,
//                        height: 50,
//                        child: Row(
//                          children: <Widget>[
//                            Expanded(
//                              flex : 3,
//                              child: Text('Gedung ',style: TextStyle(fontSize: 16),),
//                            ),
//                            Expanded(
//                              flex : 1,
//                              child: Text(':',style: TextStyle(fontSize: 16),),
//                            ),
//                            Expanded(
//                              flex : 7,
//                              child: Text(_asset.gedung??'-',style: TextStyle(fontSize: 16),),
//                            ),
//                          ],
//                        ),
//                      ),
                    ],
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
      bottomSheet: Container(
        height: 50,
//        color: Colors.grey.withOpacity(0.3),
        child: Row(
          children: <Widget>[
            Expanded(
              flex: 5,
              child: FlatButton(
                onPressed: ()async{
                  if(barCode.text!=''&&prefixCode.text!='')await findAsset(prefixCode.text+barCode.text,silent: true);
                  else _asset.tag_number = null;
                  if(_asset.tag_number!=null&&_asset.blob!=null){
                    _asset.keterangan = ket.text;
                    bool upsertReady = !isAppend;
                    if(isAppend){
                      upsertReady = await showDialog(context: context,builder: (context)=>WillPopScope(
                        onWillPop: ()async{
                          Navigator.pop(context,false);
                          return false;
                        },
                        child: AlertDialog(
                          title: Text('Append New Asset'),
                          content: Text('${(widget.no==null)?'Insert':'Update'} brand new asset?'),
                          actions: <Widget>[
                            FlatButton(
                              onPressed: ()async{
                                Navigator.pop(context,true);
                              },
                              child: Text('Save'),
                            ),
                            FlatButton(
                              onPressed: ()async{
                                Navigator.pop(context,false);
                              },
                              child: Text('Cancel'),
                            )
                          ],
                        ),
                      ));
                    }
                    if(upsertReady){
                      if(widget.no==null){
                        var insert = await DBHelper.database.insertAsset(_asset);
                        if(insert!=null){
                          util.showToast("SUCCESS", 'Asset Inserted');
                          await DBHelper.database.closeDb();
                          setState(() {
                            barCode.text = '';
                            ket.text = '';
                            _asset = new Asset();
                          });
                          FocusScope.of(context).requestFocus(focusNode);
                        }
                      }
                      else{
                        var update = await DBHelper.database.updateAsset(_asset);
                        if(update!=null){
                          util.showToast("SUCCESS", 'Asset Updated');
                          await DBHelper.database.closeDb();
                          Navigator.pop(context);
                        }
                      }
                    }
                  }
                  else{
                    util.showToast('ERROR', 'Please complete the asset data');
                  }
                },
                color:  Colors.green,
                child: Container(alignment: Alignment.center,height: 50,
                    child: Text('Save')),
              ),
            ),
            Expanded(
              flex: 5,
              child: FlatButton(
                onPressed: (){
                  Navigator.pop(context);
                },
                color: Colors.red,
                child: Container(alignment: Alignment.center,height:50,child: Text('Cancel')),
              ),
            ),
          ],
        ),
      ),
    );
  }
}