public ProductDetailViewModel(Product catalogProduct, bool isPerformingProductSelection = false)
{
CatalogProduct = catalogProduct;
_IsPerformingProductSelection = isPerformingProductSelection;
AddToOrderCommand = new Command(async () =>
{
MessagingCenter.Send(CatalogProduct, MessagingServiceConstants.UPDATE_ORDER_PRODUCT);
await Navigation.PopModalAsync();
});
}
public ProductDetailDescriptionView(Product catalogProduct)
{
Label nameLabel = new Label()
{
Text = catalogProduct.Name,
TextColor = Device.OnPlatform(Palette._006, Palette._006, Palette._013),
FontSize = Device.GetNamedSize(NamedSize.Large, typeof(Label))
};
Label descriptionLabel = new Label()
{
Text = catalogProduct.Description,
TextColor = Palette._007,
FontSize = Device.GetNamedSize(NamedSize.Default, typeof(Label))
};
Thickness padding = new Thickness(20);
RelativeLayout relativeLayout = new RelativeLayout();
relativeLayout.Children.Add(
view: nameLabel,
xConstraint: Constraint.RelativeToParent(parent => 0),
yConstraint: Constraint.RelativeToParent(parent => 0),
widthConstraint: Constraint.RelativeToParent(parent => parent.Width)
);
relativeLayout.Children.Add(
view: descriptionLabel,
xConstraint: Constraint.RelativeToParent(parent => 0),
yConstraint: Constraint.RelativeToView(nameLabel, (parent, siblingView) => siblingView.Height + padding.VerticalThickness / 2),
widthConstraint: Constraint.RelativeToParent(parent => parent.Width)
);
Padding = padding;
Content = relativeLayout;
}
public ProductDetailPage(Product catalogProduct, bool isPerformingProductSelection = false)
{
_CatalogProduct = catalogProduct;
Title = _CatalogProduct.Name;
#region productImage
Image image = new Image()
{
Source = _CatalogProduct.ImageUrl,
Aspect = Aspect.AspectFit
};
#endregion
#region ribbonView
ProductDetailRibbonView detailRibbon = new ProductDetailRibbonView(_CatalogProduct, isPerformingProductSelection);
#endregion
#region descriptionView
ProductDetailDescriptionView descriptionView = new ProductDetailDescriptionView(_CatalogProduct);
#endregion
#region compose view hierarchy
Content = new ScrollView()
{
Content = new UnspacedStackLayout()
{
Children =
{
image,
detailRibbon,
descriptionView
}
}
};
#endregion
}
public ProductDetailRibbonView(Product catalogProduct, bool isPerformingProductSelection = false)
{
_CatalogProduct = catalogProduct;
RelativeLayout relativeLayout = new RelativeLayout();
BackgroundColor = Palette._009;
HeightRequest = 20;
Padding = new Thickness(20, 15);
if (isPerformingProductSelection)
{
Image addToOrderImage = new Image()
{
Aspect = Aspect.AspectFit
};
Device.OnPlatform(
iOS: () => addToOrderImage.Source = new FileImageSource(){ File = "add_ios_blue" },
Android: () => addToOrderImage.Source = new FileImageSource() { File = "add_android_blue" }
);
Label addToOrderTextLabel = new Label()
{
Text = TextResources.Customers_Orders_EditOrder_AddToOrder.ToUpper(),
TextColor = Palette._004,
XAlign = TextAlignment.Start,
YAlign = TextAlignment.Center,
};
TapGestureRecognizer addToOrderTapGestureRecognizer = new TapGestureRecognizer()
{
NumberOfTapsRequired = 1,
Command = new Command(AddToOrderTapped)
};
addToOrderImage.GestureRecognizers.Add(addToOrderTapGestureRecognizer);
addToOrderTextLabel.GestureRecognizers.Add(addToOrderTapGestureRecognizer);
const double imagePaddingPercent = .10;
relativeLayout.Children.Add(
view: addToOrderImage,
yConstraint: Constraint.RelativeToParent(parent => parent.Height * imagePaddingPercent),
widthConstraint: Constraint.RelativeToParent(parent => parent.Height - (parent.Height * imagePaddingPercent * 2)),
heightConstraint: Constraint.RelativeToParent(parent => parent.Height - (parent.Height * imagePaddingPercent * 2)));
relativeLayout.Children.Add(
view: addToOrderTextLabel,
xConstraint: Constraint.RelativeToView(addToOrderImage, (parent, view) => view.X + view.Width + parent.Height * imagePaddingPercent),
widthConstraint: Constraint.RelativeToView(addToOrderImage, (parent, view) => parent.Width - view.Width),
heightConstraint: Constraint.RelativeToParent(parent => parent.Height)
);
}
Label priceValueLabel = new Label()
{
Text = string.Format("{0:C}", _CatalogProduct.Price),
TextColor = Color.White,
FontSize = Device.GetNamedSize(NamedSize.Medium, typeof(Label)),
FontAttributes = FontAttributes.Bold,
XAlign = TextAlignment.End,
YAlign = TextAlignment.Center
};
relativeLayout.Children.Add(
view: priceValueLabel,
xConstraint: Constraint.RelativeToParent(parent => parent.Width * .75),
yConstraint: Constraint.RelativeToParent(parent => 0),
widthConstraint: Constraint.RelativeToParent(parent => parent.Width * .25),
heightConstraint: Constraint.RelativeToParent(parent => parent.Height));
Content = relativeLayout;
}
public ProductDetailViewModel(Product catalogProduct)
{
CatalogProduct = catalogProduct;
}