示例#1
0
        public MemberPage()
        {
            BindingContext = _viewModel = new MemberViewModel();
            this.Title     = _viewModel.Title;


            #region footer section
            Label footer = new Label
            {
                Text              = "Develop by Shohan",
                FontSize          = Device.GetNamedSize(NamedSize.Small, typeof(Label)),
                HorizontalOptions = LayoutOptions.End
            };

            #endregion

            #region delete menu item
            var deleteAction = new MenuItem {
                Text = "Delete", IsDestructive = true
            };
            deleteAction.SetBinding(MenuItem.CommandParameterProperty, new Binding("."));
            deleteAction.Clicked += async(sender, e) =>
            {
                var mi = ((MenuItem)sender);
                await _viewModel.OnDelete((Member)mi.CommandParameter);
            };
            #endregion

            #region tab gesture recognizer
            var tapGestureRecognizer = new TapGestureRecognizer()
            {
                NumberOfTapsRequired = 2
            };
            tapGestureRecognizer.SetBinding(TapGestureRecognizer.CommandParameterProperty, new Binding("."));
            tapGestureRecognizer.Tapped += async(s, e) => {
                var x = (TappedEventArgs)e;
                await _viewModel.OnPut((Member)x.Parameter);
            };
            #endregion

            #region create the list view.
            ListView listView = new ListView
            {
                SeparatorVisibility = SeparatorVisibility.None,
                RowHeight           = 70,
                HasUnevenRows       = true, //  enbable list view row height Resize
                // Source of data items.
                ItemsSource = _viewModel.Members,


                // Define template for displaying each item.
                // (Argument of DataTemplate constructor is called for
                //      each item; it must return a Cell derivative.)
                ItemTemplate = new DataTemplate(() =>
                {
                    Label nameLabel = new Label {
                        TextColor      = C_Color.LabelHeaderColor,
                        FontFamily     = "Noticia Text",
                        FontAttributes = FontAttributes.Bold,
                        FontSize       = 18
                    };
                    nameLabel.SetBinding(Label.TextProperty, "MemberName");

                    Label email = new Label
                    {
                        TextColor  = C_Color.LabelDetailsColor,
                        FontFamily = "Noticia Text",
                        FontSize   = 11
                    };
                    email.SetBinding(Label.TextProperty, "MemberEmail");

                    Label contact = new Label
                    {
                        TextColor  = C_Color.LabelDetailsColor,
                        FontFamily = "Noticia Text",
                        FontSize   = 11
                    };
                    contact.SetBinding(Label.TextProperty, "MemberContact");


                    #region row grid properties
                    Grid detailGrid = new Grid();

                    //Column Definition
                    detailGrid.RowDefinitions.Add(new RowDefinition {
                        Height = GridLength.Auto
                    });
                    detailGrid.Children.Add(new StackLayout {
                        HorizontalOptions = LayoutOptions.FillAndExpand,
                        Orientation       = StackOrientation.Vertical,
                        Children          =
                        {
                            nameLabel,
                            email,
                            contact
                        }
                    });

                    detailGrid.GestureRecognizers.Add(tapGestureRecognizer);

                    #endregion



                    Grid grid = new Grid();

                    //Column Definition
                    grid.ColumnDefinitions.Add(new ColumnDefinition {
                        Width = new GridLength(1, GridUnitType.Star)
                    });
                    grid.ColumnDefinitions.Add(new ColumnDefinition {
                        Width = new GridLength(3, GridUnitType.Star)
                    });

                    //Row Definition
                    grid.RowDefinitions.Add(new RowDefinition {
                        Height = GridLength.Auto
                    });
                    grid.Children.Add(Controls.CircleImage("croppedmembericon.png", 60, 60), 0, 0);
                    grid.Children.Add(new StackLayout
                    {
                        Orientation = StackOrientation.Vertical,
                        Children    =
                        {
                            detailGrid
                        }
                    }, 1, 0);



                    var viewCell = new ViewCell();
                    viewCell.ContextActions.Add(deleteAction);
                    viewCell.View = Controls.GridFrame(new StackLayout
                    {
                        Orientation = StackOrientation.Horizontal,
                        Children    =
                        {
                            grid
                        }
                    });

                    return(viewCell);
                })
            };

            //listView.ItemTapped += (s, e) =>
            //{

            //   // _viewModel.OnDelete((Member)e.Item);
            //     listView.BackgroundColor = Color.Green;
            //};

            #endregion

            #region image button for go to add new page

            var imageButton = new ImageButton
            {
                BackgroundColor = C_Color.ImgBtnBGColor,
                CornerRadius    = 50,
                Padding         = new Thickness(0, 0),
                HeightRequest   = 50,
                WidthRequest    = 50,
                BorderColor     = Color.Gray,
                BorderWidth     = 2,
                Source          = "plus.png",
                Command         = _viewModel.AddMemberCommand
            };
            #endregion

            #region absolute layout for image button

            AbsoluteLayout layout = new AbsoluteLayout()
            {
                Children =
                {
                    listView,
                    imageButton
                }
            };


            AbsoluteLayout.SetLayoutBounds(imageButton, new Rectangle {
                X = .95, Y = .97, Width = 50, Height = 50
            });
            AbsoluteLayout.SetLayoutFlags(imageButton, AbsoluteLayoutFlags.PositionProportional);

            #endregion

            // Accomodate iPhone status bar.
            this.Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);

            // Build the page.
            this.Content = layout;
        }