Exemple #1
0
 private IPromise <object> showTextDialog()
 {
     return(DialogUtils.showDialog(
                context: context,
                builder: (context) =>
     {
         TextEditingController textEditingController = new TextEditingController();
         return new SimpleDialog(
             title: new Text("编辑文本内容"),
             children: new List <Widget>
         {
             new TextField(
                 textInputAction: Unity.UIWidgets.service.TextInputAction.go,
                 controller: textEditingController
                 ),
             new Row(
                 mainAxisAlignment: MainAxisAlignment.spaceAround,
                 children: new List <Widget>
             {
                 new FlatButton(
                     child: new Text("取消"),
                     onPressed: () => { Navigator.of(context).pop(null); }
                     ),
                 new FlatButton(
                     child: new Text("确定"),
                     onPressed: () => { Navigator.of(context).pop(textEditingController.text); }
                     )
             }
                 )
         });
     }));
 }
 public override Widget build(BuildContext context)
 {
     return(new Scaffold(
                appBar: new AppBar(
                    title: new Text("Retrieve Text Input")
                    ),
                body: new Padding(
                    padding: EdgeInsets.all(16.0f),
                    child: new TextField(
                        controller: this.myController,
                        autofocus: true,
                        decoration: new InputDecoration(
                            hintText: "hinthere",
                            labelText: "pwd",
                            prefixIcon: new Icon(Unity.UIWidgets.material.Icons.search)))
                    ),
                floatingActionButton: new FloatingActionButton(
                    // When the user presses the button, show an alert dialog with the
                    // text the user has typed into our text field.
                    onPressed: () => {
         DialogUtils.showDialog(
             context: context,
             builder: (_context) => {
             return new AlertDialog(
                 // Retrieve the text the user has typed in using our
                 // TextEditingController
                 content: new Text(this.myController.text)
                 );
         });
     },
                    tooltip: "Show me the value",
                    child: new Icon(Icons.search)
                    )
                ));
 }
Exemple #3
0
 void _showMessage()
 {
     DialogUtils.showDialog(
         context: this.context,
         builder: (BuildContext context) => {
         return(new AlertDialog(
                    content: new Text("You tapped the floating action button."),
                    actions: new List <Widget> {
             new FlatButton(
                 onPressed: () => { Navigator.pop(context); },
                 child: new Text("OK")
                 )
         }
                    ));
     }
         );
 }
Exemple #4
0
 void ShowDiscardDialog(BuildContext context)
 {
     DialogUtils.showDialog(
         context,
         builder: buildContext => new AlertDialog(
             shape: new RoundedRectangleBorder(
                 borderRadius: BorderRadius.all(Radius.circular(10.0f))
                 ),
             title: new Text(
                 L.of(context).DiscardChanges,
                 style: Theme.of(context).textTheme.title
                 ),
             content: new Text(
                 L.of(context).DiscardChangesContent,
                 style: Theme.of(context).textTheme.body2
                 ),
             actions: new List <Widget>()
     {
         new FlatButton(
             child: new Text(
                 L.of(context).Yes,
                 style: Theme.of(context)
                 .textTheme
                 .title
                 .copyWith(color: Colors.purple)
                 ),
             onPressed: () =>
         {
             Navigator.pop(buildContext);
             Navigator.pop(buildContext);
         }
             ),
         new FlatButton(
             child: new Text(
                 L.of(context).No,
                 style: Theme.of(context)
                 .textTheme
                 .title
                 .copyWith(color: Colors.purple)
                 ),
             onPressed: () => { Navigator.pop(buildContext); }
             )
     }
             )
         );
 }
        public static IPromise <object> showDatePicker(
            BuildContext context,
            DateTime initialDate,
            DateTime firstDate,
            DateTime lastDate,
            SelectableDayPredicate selectableDayPredicate = null,
            DatePickerMode initialDatePickerMode          = DatePickerMode.day,
            Locale locale             = null,
            TransitionBuilder builder = null
            )
        {
            D.assert(initialDate >= firstDate, () => "initialDate must be on or after firstDate");
            D.assert(initialDate <= lastDate, () => "initialDate must be on or before lastDate");
            D.assert(firstDate <= lastDate, () => "lastDate must be on or after firstDate");
            D.assert(
                selectableDayPredicate == null || selectableDayPredicate(initialDate),
                () => "Provided initialDate must satisfy provided selectableDayPredicate"
                );
            D.assert(context != null);
            D.assert(MaterialD.debugCheckHasMaterialLocalizations(context));

            Widget child = new _DatePickerDialog(
                initialDate: initialDate,
                firstDate: firstDate,
                lastDate: lastDate,
                selectableDayPredicate: selectableDayPredicate,
                initialDatePickerMode: initialDatePickerMode
                );

            if (locale != null)
            {
                child = Localizations.overrides(
                    context: context,
                    locale: locale,
                    child: child
                    );
            }

            return(DialogUtils.showDialog(
                       context: context,
                       builder: (BuildContext _context) => { return builder == null ? child : builder(_context, child); }
                       ));
        }
        public override Widget build(BuildContext context)
        {
            var size = MediaQuery.of(context).size;

            var screenWidth = size.width * 0.8f;

            return(new Game(
                       child: new KeyboardController(
                           child: SizedBox.expand(
                               child: new Container(
                                   color: AppConstants.APP_BACKGROUND_COLOR,
                                   child: new Padding(
                                       padding: MediaQuery.of(context).padding,
                                       child: new Column(
                                           children: new List <Widget>
            {
                new Row(
                    children: new List <Widget>()
                {
                    new Spacer(),
                    new FlatButton(
                        onPressed: () =>
                    {
                        DialogUtils.showDialog(context,
                                               builder: ctx => new DonationDialog());
                    },
                        child: new Text(L.of(context).Reward)
                        )
                }
                    ),
                new Spacer(),
                new ScreenDecoration(child: new GBScreen(width: screenWidth)),
                new Spacer(flex: 2),
                new GBJoyStick()
            }
                                           )
                                       )
                                   )
                               )
                           )
                       ));
        }
Exemple #7
0
        List <Widget> BuildNotebooks(List <Notebook> notebooks, Dispatcher dispatcher, BuildContext context)
        {
            var retList = new List <Widget>()
            {
                new ListTile(
                    leading: new Icon(Icons.add, color: Colors.black),
                    title: new Text(L.of(context).CreateNotebook,
                                    style: Theme.of(context).textTheme.subhead
                                    .copyWith(fontWeight: FontWeight.bold)),
                    onTap: () =>
                {
                    DialogUtils.showDialog(context,
                                           builder: context1 => new NotebookEditor(dispatcher));
                }
                    )
            };

            retList.AddRange(notebooks.Select(notebook => new ListTile(
                                                  leading: new Icon(Icons.bookmark, color: Colors.black),
                                                  title: new Text(notebook.Name,
                                                                  style: Theme.of(context).textTheme.subhead.copyWith(fontWeight: FontWeight.bold)),
                                                  trailing: new IconButton(
                                                      icon: new Icon(Icons.edit, color: Colors.black),
                                                      onPressed: () =>
            {
                DialogUtils.showDialog(context,
                                       builder: buildContext =>
                                       new NotebookEditor(dispatcher, NotebookEditorMode.MODIFICATION, notebook));
            }
                                                      ),
                                                  onTap: () =>
            {
                dispatcher.dispatch(
                    new ApplyFilterAction(Filter.ByNotebook(context, notebook.Id, notebook.Name)));
                Navigator.of(context).pop();
            }
                                                  )
                                              ));

            return(retList);
        }
Exemple #8
0
 private IPromise <object> showSelectDialog()
 {
     return(DialogUtils.showDialog(
                context: context,
                builder: (context) =>
     {
         TextEditingController textEditingController = new TextEditingController();
         return new SimpleDialog(
             title: new Text("选择来源"),
             children: new List <Widget>
         {
             new SimpleDialogOption(
                 child: new Text("打开相机"),
                 onPressed: () => { Navigator.of(context).pop(false); }
                 ),
             new SimpleDialogOption(
                 child: new Text("从相册中选择"),
                 onPressed: () => { Navigator.of(context).pop(true); }
                 ),
         });
     }));
 }
 public override Widget build(BuildContext context)
 {
     return(new SimpleDialog(
                contentPadding: EdgeInsets.only(left: 8, top: 8, right: 8, bottom: 4),
                children:
                new List <Widget>()
     {
         new SizedBox(width: MediaQuery.of(context).size.width),
         new Container(padding: EdgeInsets.all(8), child: new Text("开发不易,捐助一下给开发者。")),
         new ActionTile("微信捐赠", () =>
         {
             DialogUtils.showDialog(context: context,
                                    builder: ctx => ReceiptDialog.Wechat())
             .Then(_ => { Navigator.pop(context); });
         }),
         new ActionTile("支付宝捐赠", () =>
         {
             DialogUtils.showDialog(context: context,
                                    builder: ctx => ReceiptDialog.Alipay())
             .Then(_ => { Navigator.pop(context); });
         })
     }
                ));
 }
Exemple #10
0
        public override Widget build(BuildContext context)
        {
            return(new StoreConnector <AppState, AppState>(
                       converter: state => state,
                       builder: (buildContext, model, dispatcher) =>
            {
                return new Scaffold(
                    appBar: new AppBar(
                        centerTitle: true,
                        elevation: 0,
                        leading: new IconButton(
                            icon: new Icon(Icons.arrow_back),
                            onPressed: () => { Navigator.pop(context); }
                            ),
                        title: new Text(widget.CreateMode ? "New Habit" : "Edit Habit"),
                        bottom: new PreferredSize(
                            preferredSize: Size.fromHeight(1),
                            child: new Container(
                                height: 0.5f,
                                color: Colors.white30
                                )
                            ),
                        actions: new List <Widget>()
                {
                    new FlatButton(
                        child: new Text(widget.CreateMode ? "" : "Delete",
                                        style: new TextStyle(color: Colors.red)),
                        onPressed: () =>
                    {
                        DialogUtils.showDialog(
                            context: context,
                            builder: (context1 =>
                        {
                            return new Theme(
                                data: new ThemeData(dialogBackgroundColor: new Color(0xFF333333)),
                                child: new AlertDialog(
                                    contentPadding: EdgeInsets.fromLTRB(24, 24, 24, 0),
                                    content: new Text("Really want to delete this habit?",
                                                      style: new TextStyle(color: Colors.white70)
                                                      ),
                                    actions: new List <Widget>()
                            {
                                new FlatButton(
                                    child: new Text("Yes",
                                                    style: new TextStyle(color: Colors.red)
                                                    ),
                                    onPressed: () =>
                                {
                                    dispatcher.dispatch(
                                        new DeleteHabitAction(widget.Habit));
                                    Navigator.pop(context1);
                                    Navigator.pop(context);
                                }),
                                new FlatButton(
                                    child: new Text("No",
                                                    style: new TextStyle(color: Colors.white70)
                                                    ),
                                    onPressed: () => { Navigator.pop(context1); }),
                            }
                                    )
                                );
                        }));
                    }
                        )
                },
                        backgroundColor: new Color(0xFF212121)
                        ),
                    body: new Container(
                        margin: EdgeInsets.all(15),
                        decoration: new BoxDecoration(),
                        child: new TextField(
                            style: new TextStyle(fontSize: 18, color: Colors.white70),
                            decoration: new InputDecoration(
                                fillColor: new Color(0xFF424242),
                                filled: true,
                                hasFloatingPlaceholder: false,
                                hintText: "New Habit",
                                contentPadding: EdgeInsets.all(6),
                                focusedBorder: new OutlineInputBorder(
                                    borderRadius: BorderRadius.all(Radius.circular(6)),
                                    borderSide: new BorderSide(width: 0, color: new Color(0xFF424242))
                                    )
                                ),
                            controller: new TextEditingController(widget.CreateMode
                                    ? string.Empty
                                    : widget.Habit.Title),
                            onSubmitted: (value =>
                {
                    if (widget.CreateMode)
                    {
                        dispatcher.dispatch(new AddHabitAction(new HabitData(value)));
                    }
                    else
                    {
                        if (value != widget.Habit.Title)
                        {
                            dispatcher.dispatch(new UpdateHabitAction(widget.Habit, value));
                        }
                    }

                    Navigator.pop(context);
                }))
                        )
                    );
            }
                       ));
        }
Exemple #11
0
        public static Widget SettingBlockColorPicker(
            BuildContext context,
            string title,
            ValueChanged <Color> onColorChanged,
            Color color                  = null,
            string buttonName            = "",
            List <Color> availableColors = null
            )
        {
            if (color == null)
            {
                color = Colors.blueAccent;
            }
            if (buttonName == "")
            {
                buttonName = color.ToHexString(false);
            }
            if (availableColors == null)
            {
                availableColors = Utils._defaultColors;
            }

            return(new Container(
                       padding: EdgeInsets.symmetric(horizontal: 6f),
                       child: new Row(
                           children: new List <Widget>
            {
                new Container(child: new Text(title)),
                new Expanded(
                    child: new Container(
                        padding: EdgeInsets.all(6),
                        alignment: Alignment.bottomRight,
                        child:  new RaisedButton(
                            color: color,
                            child: new Text(
                                buttonName,
                                style: new TextStyle(
                                    color: Utils.useWhiteForeground(color) ? Colors.white : Colors.black
                                    ) //TextStyle
                                ),    //Text
                            onPressed: () => {
                    DialogUtils.showDialog(
                        context: context,
                        builder: (BuildContext _) => {
                        return new AlertDialog(
                            title: new Text("Select color"),
                            content: new SingleChildScrollView(
                                child: new BlockPicker(
                                    pickerColor: color,
                                    onColorChanged: onColorChanged,
                                    availableColors: availableColors
                                    )     //BlockPicker
                                )         //SingleChildScrollView
                            );            //AlertDialog
                    }
                        );                //showDialog
                }
                            )
                        )    //container
                    ),       //expanded
            }                //list
                           ) //row
                       ));
        }
Exemple #12
0
        public static Widget SettingHSVColorPicker(
            BuildContext context,
            string title,
            ValueChanged <Color> onColorChanged,
            Color color            = null,
            string buttonName      = "",
            bool enableAlpha       = false,
            bool showPreviousColor = false
            )
        {
            if (color == null)
            {
                color = Colors.blueAccent;
            }
            if (buttonName == "")
            {
                buttonName = color.ToHexString(enableAlpha);
            }

            return(new Container(
                       padding: EdgeInsets.symmetric(horizontal: 6f),
                       child: new Row(
                           children: new List <Widget>
            {
                new Container(child: new Text(title)),
                new Expanded(
                    child: new Container(
                        padding: EdgeInsets.all(6),
                        alignment: Alignment.bottomRight,
                        child:  new RaisedButton(
                            color: color,
                            child: new Text(
                                buttonName,
                                style: new TextStyle(
                                    color: Utils.useWhiteForeground(color) ? Colors.white : Colors.black
                                    ) //TextStyle
                                ),    //Text
                            onPressed: () => {
                    DialogUtils.showDialog(
                        context: context,
                        builder: (BuildContext _) => {
                        if (showPreviousColor)
                        {
                            return new AlertDialog(
                                titlePadding: EdgeInsets.all(0),
                                contentPadding: EdgeInsets.all(0f),
                                shape: new RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(25)
                                    ),                    //RoundedRectangleBorder
                                content: new SingleChildScrollView(
                                    child: new SlidePicker(
                                        pickerColor: color,
                                        onColorChanged: onColorChanged,
                                        paletteType: PaletteType.hsv,
                                        enableAlpha: enableAlpha,
                                        displayThumbColor: true,
                                        showLabel: false,
                                        showIndicator: true,
                                        indicatorBorderRadius: BorderRadius.vertical(top: Radius.circular(25))
                                        )             //SlidePicker
                                    )                 //SingleChildScrollView
                                );                    //AlertDialog
                        }
                        else
                        {
                            return new AlertDialog(
                                titlePadding: EdgeInsets.all(0f),
                                contentPadding: EdgeInsets.all(0f),
                                content: new SingleChildScrollView(
                                    child: new ColorPicker(
                                        pickerColor: color,
                                        onColorChanged: onColorChanged,
                                        colorPickerWidth: 300f,
                                        pickerAreaHeightPercent: 0.7f,
                                        enableAlpha: enableAlpha,
                                        displayThumbColor: true,
                                        showLabel: true,
                                        paletteType: PaletteType.hsv,
                                        pickerAreaBorderRadius: BorderRadius.only(
                                            topLeft: Radius.circular(2f),
                                            topRight: Radius.circular(2f)
                                            )         //BorderRadius
                                        )             //ColorPicker
                                    )                 //SingleChildScrollView
                                );                    //AlertDialog
                        }
                    }
                        );
                }
                            )
                        )    //container
                    ),       //expanded
            }                //list
                           ) //row
                       ));
        }
Exemple #13
0
        public override Widget build(BuildContext context)
        {
            return(new Theme(
                       data: lightTheme?ThemeData.light() : ThemeData.dark(),
                           child: new DefaultTabController(
                               length: 3,
                               child: new Scaffold(
                                   appBar: new AppBar(
                                       title: new GestureDetector(
                                           child: new Text("Color Picker Example"),
                                           onDoubleTap: (DoubleTapDetails details) => setState(() => lightTheme = !lightTheme)
                                           ),//GestureDetector
                                       bottom: new TabBar(
                                           tabs: new List <Widget>
            {
                new Tab(text: "HSV"),
                new Tab(text: "Material"),
                new Tab(text: "Block")
            }
                                           ) //TabBar
                                       ),    //AppBar
                                   body: new TabBarView(
                                       physics: new NeverScrollableScrollPhysics(),
                                       children: new List <Widget>
            {
                new Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: new List <Widget> {
                    new RaisedButton(
                        elevation: 3f,
                        onPressed: () =>
                    {
                        DialogUtils.showDialog(
                            context: context,
                            builder: (BuildContext _) => {
                            return new AlertDialog(
                                titlePadding: EdgeInsets.all(0f),
                                contentPadding: EdgeInsets.all(0f),
                                content: new SingleChildScrollView(
                                    child: new ColorPicker(
                                        pickerColor: currentColor,
                                        onColorChanged: changeColor,
                                        colorPickerWidth: 300f,
                                        pickerAreaHeightPercent: 0.7f,
                                        enableAlpha: true,
                                        displayThumbColor: true,
                                        showLabel: true,
                                        paletteType: PaletteType.hsv,
                                        pickerAreaBorderRadius: BorderRadius.only(
                                            topLeft: Radius.circular(2f),
                                            topRight: Radius.circular(2f)
                                            )             //BorderRadius

                                        )                 //ColorPicker
                                    )                     //SingleChildScrollView
                                );                        //AlertDialog
                        }
                            );
                    },
                        child: new Text("Change me"),
                        color: currentColor,
                        textColor: Utils.useWhiteForeground(currentColor)
                                            ? new Color(0xffffffff)
                                            : new Color(0xff000000)
                        ),                //RaisedButton
                    new RaisedButton(
                        elevation: 3f,
                        onPressed: () => {
                        DialogUtils.showDialog(
                            context: context,
                            builder: (BuildContext _) => {
                            return new AlertDialog(
                                titlePadding: EdgeInsets.all(0),
                                contentPadding: EdgeInsets.all(0f),
                                shape: new RoundedRectangleBorder(
                                    borderRadius: BorderRadius.circular(25)
                                    ),                        //RoundedRectangleBorder
                                content: new SingleChildScrollView(
                                    child: new SlidePicker(
                                        pickerColor: currentColor,
                                        onColorChanged: changeColor,
                                        paletteType: PaletteType.rgb,
                                        enableAlpha: false,
                                        displayThumbColor: true,
                                        showLabel: false,
                                        showIndicator: true,
                                        indicatorBorderRadius: BorderRadius.vertical(top: Radius.circular(25))
                                        )                 //SlidePicker
                                    )                     //SingleChildScrollView
                                );                        //AlertDialog
                        }
                            );
                    },
                        child: new Text("Change me again"),
                        color: currentColor,
                        textColor: Utils.useWhiteForeground(currentColor)
                                            ? new Color(0xffffffff)
                                            : new Color(0xff000000)
                        )
                }
                    ),            //Column
                new Center(
                    child: new RaisedButton(
                        elevation: 3f,
                        onPressed: () => {
                    DialogUtils.showDialog(
                        context: context,
                        builder: (BuildContext _) => {
                        return new AlertDialog(
                            titlePadding: EdgeInsets.all(0f),
                            contentPadding: EdgeInsets.all(0f),
                            content: new SingleChildScrollView(
                                child: new MaterialPicker(
                                    pickerColor: currentColor,
                                    onColorChanged: changeColor,
                                    enableLabel: true
                                    )     //MaterialPicker
                                )         //SingleChildScrollView
                            );            //AlertDialog
                    }
                        );                //showDialog
                },                        //onPresed
                        child: new Text("Change me"),
                        color: currentColor,
                        textColor: Utils.useWhiteForeground(currentColor)
                                        ? new Color(0xffffffff)
                                        : new Color(0xff000000)
                        )         //RaisedButton
                    ),            //Center
                new Center(
                    child: new Column(
                        mainAxisAlignment: MainAxisAlignment.center,
                        children: new List <Widget> {
                    new RaisedButton(
                        elevation: 3f,
                        onPressed: () => {
                        DialogUtils.showDialog(
                            context: context,
                            builder: (BuildContext _) => {
                            return new AlertDialog(
                                title: new Text("Select color"),
                                content: new SingleChildScrollView(
                                    child: new BlockPicker(
                                        pickerColor: currentColor,
                                        onColorChanged: changeColor
                                        )         //BlockPicker
                                    )             //SingleChildScrollView
                                );                //AlertDialog
                        }
                            );                    //showDialog
                    },                            //onPressed
                        child: new Text("Change me again"),
                        color: currentColor,
                        textColor: Utils.useWhiteForeground(currentColor)
                                                ? new Color(0xffffffff)
                                                : new Color(0xff000000)
                        )                //RaisedButton
                }
                        )                //Column
                    )                    //center
            }
                                       ) //TabBarView
                                   )     //Scaffold
                               )         //DefaultTabController
                       ));               //Theme
        }//function build
Exemple #14
0
        public override Widget build(BuildContext context)
        {
            return(new StoreConnector <AppState, AppState>(
                       converter: state => state,
                       builder: (buildContext, model, dispatcher) =>
            {
                return new Scaffold(
                    appBar: new AppBar(
                        elevation: 0,
                        title: new Text(
                            widget.Mode == NoteEditorMode.CREATION ? L.of(context).AddNote : L.of(context).EditNote,
                            style: Theme.of(context).textTheme.headline),
                        backgroundColor: AppConst.Colors[mColorIndex],
                        leading: new IconButton(
                            icon: new Icon(Icons.arrow_back_ios, color: Colors.black),
                            onPressed: () =>
                {
                    if (widget.Mode == NoteEditorMode.MODIFICATION && SaveBtnVisible)
                    {
                        ShowDiscardDialog(context);
                    }
                    else
                    {
                        Navigator.of(context).pop();
                    }
                }
                            ),
                        actions: new List <Widget>()
                {
                    SaveBtnVisible
                                    ? new IconButton(
                        icon: new Icon(Icons.save, color: Colors.black),
                        onPressed: () =>
                    {
                        widget.Note.Title = mTitleController.text;
                        widget.Note.Description = mDescriptionController.text;
                        widget.Note.Priority = mPriorityIndex;
                        widget.Note.ColorIndex = mColorIndex;
                        widget.Note.NotebookId = mNotebookId;


                        if (widget.Mode == NoteEditorMode.CREATION)
                        {
                            dispatcher.dispatch(new AddNoteAction(widget.Note));
                        }
                        else
                        {
                            dispatcher.dispatch(new UpdateNoteAction(widget.Note));
                        }

                        Navigator.pop(context);
                    }
                        )
                                    : new Container() as Widget,

                    widget.Mode == NoteEditorMode.MODIFICATION
                                    ? new IconButton(
                        icon: new Icon(Icons.delete, color: Colors.black),
                        onPressed: () =>
                    {
                        ShowDeleteDialog(context, () =>
                        {
                            dispatcher.dispatch(new DeleteNoteAction(widget.Note));
                            Navigator.of(context).pop();
                        });
                    }
                        ) as Widget
                                    : new Container()
                }
                        ),
                    body: new Container(
                        color: AppConst.Colors[mColorIndex],
                        child: new Column(
                            children: new List <Widget>()
                {
                    new PriorityPicker(
                        mPriorityIndex,
                        priorityIndex => { setState(() => { mPriorityIndex = priorityIndex; }); }
                        ),
                    new ColorPicker(mColorIndex,
                                    colorIndex => { setState(() => { mColorIndex = colorIndex; }); }),
                    new Padding(
                        padding: EdgeInsets.all(16),
                        child: new TextField(
                            controller: mTitleController,
                            onChanged: value => { this.setState(() => { }); },
                            style: Theme.of(context).textTheme.title,
                            decoration: new InputDecoration(
                                hintText: L.of(context).Title
                                )
                            )
                        ),
                    new Expanded(
                        child: new Padding(
                            padding: EdgeInsets.all(16),
                            child: new Column(
                                children: new List <Widget>()
                    {
                        new TextField(
                            controller: mDescriptionController,
                            onChanged: value => { this.setState(() => { }); },
                            style: Theme.of(context).textTheme.subhead,
                            keyboardType: TextInputType.multiline,
                            maxLength: 255,
                            maxLines: 10,
                            decoration: new InputDecoration(
                                hintText: L.of(context).Description
                                )
                            ),
                        new Row(
                            mainAxisAlignment: MainAxisAlignment.spaceBetween,
                            children: new List <Widget>
                        {
                            new OutlineButton(
                                child: new Text(
                                    Utils.GetNotebookName(model.Notebooks, mNotebookId,
                                                          L.of(context).SelectNotebook),
                                    style: Theme.of(context).textTheme.subhead),
                                onPressed: () =>
                            {
                                DialogUtils.showDialog(context,
                                                       builder: context1 =>
                                                       new NotebookPicker(mNotebookId,
                                                                          selectedId =>
                                {
                                    mNotebookId = selectedId;
                                    setState(() => { });
                                }));
                            }
                                ),
                            new OutlineButton(
                                child: new Text(L.of(context).MarkdownPreview,
                                                style: Theme.of(context).textTheme.subhead),
                                onPressed: () =>
                            {
                                Navigator.of(context)
                                .push(new MaterialPageRoute(
                                          builder: context1 =>
                                          new MarkdownPreviewer(mColorIndex,
                                                                mTitleController.text,
                                                                mDescriptionController.text)));
                            }
                                )
                        }
                            ),
                    }
                                )
                            )
                        )
                }
                            )
                        )
                    );
            }
                       ));
        }