void SwitchLayouts(LayoutType layoutType)
{
if (layoutType == LayoutType.ListLayout) {
if (listView == null) {
listView = new ListView {
BackgroundColor = Color.White,
HasUnevenRows = true,
ItemTemplate = new DataTemplate (typeof(NewsLetterCellTemplate)),
SeparatorColor = Color.Transparent,
};
listView.ItemsSource = ViewModel.Files;
listView.BackgroundColor = Color.Transparent;
listView.ItemTapped += (sender, e) => {
((ListView)sender).SelectedItem = null;
};
listView.ItemSelected += (sender, e) => {
if (e.SelectedItem == null)
return;
var currentItem = (ProductCatalog)e.SelectedItem;
var page = new DetailsPopup (currentItem, LibraryType.NewsLetter);
this.Navigation.PushAsync (page, false);
};
}
Device.OnPlatform
(
iOS: () => {
grid = new Grid {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
RowDefinitions = {
new RowDefinition { Height = GridLength.Auto },
},
ColumnDefinitions = {
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
}
};
},
Android: () => {
grid = new Grid {
VerticalOptions = LayoutOptions.StartAndExpand,
HorizontalOptions = LayoutOptions.Center,
RowDefinitions = {
new RowDefinition { Height = new GridLength (1, GridUnitType.Star) },
},
ColumnDefinitions = {
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
}
};
},
WinPhone: () => {
grid = new Grid {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
RowDefinitions = {
new RowDefinition { Height = GridLength.Auto },
},
ColumnDefinitions = {
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
}
};
}
);
grid.Children.Add (listView, 0, 0);
grid.Children.Add (CreateLoadingIndicator (), 0, 0);
grid.Children.Add (ShowEmptyResults (), 0, 0);
this.Content = grid;
} else {
if (imageGrid == null) {
Device.OnPlatform (iOS: () => {
imageGrid = new GridView {
RowSpacing = 5,
Padding = 5,
ColumnSpacing = 5,
WidthRequest = App.ScreenWidth - 20,
HeightRequest = App.ScreenHeight,
ItemWidth = UIConstants.GetGridViewItemWidths (),
ItemHeight = UIConstants.GetGridViewItemHeights (),
ItemsSource = ViewModel.ImageFiles,
ItemTemplate = new DataTemplate (typeof(GridViewCellTemplate)),
};
},
Android: () => {
imageGrid = new GridView {
Padding = 20,
RowSpacing = 20,
ColumnSpacing = 20,
ItemWidth = 500,
ItemHeight = 732,
ItemsSource = ViewModel.ImageFiles,
ItemTemplate = new DataTemplate (typeof(DynamicNewsLetterTemplateLayout)),
IsClippedToBounds = true,
};
});
imageGrid.ItemSelected += (sender, e) => {
var currentItem = (ProductCatalog)e.Value;
var fileItem = ViewModel.Files.ToList ().FirstOrDefault (i => i.Id == currentItem.Id);
var page = new DetailsPopup (fileItem, LibraryType.NewsLetter);
Navigation.PushAsync (page, true);
};
}
grid = new Grid {
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
RowDefinitions = {
new RowDefinition { Height = GridLength.Auto },
},
ColumnDefinitions = {
new ColumnDefinition { Width = new GridLength (1, GridUnitType.Star) },
}
};
grid.Children.Add (imageGrid, 0, 0);
grid.Children.Add (CreateLoadingIndicator (), 0, 0);
grid.Children.Add (ShowEmptyResults (), 0, 0);
this.Content = grid;
}
}
public SearchView(LibraryType type)
{
//this.BackgroundImage = ImageConstants.backgroundImage;
BindingContext = new SearchViewModel ();
categoryType = type;
var searchBar = new SearchBar ();
searchBar.SearchButtonPressed += OnSearchBarButtonPressed;
searchBar.TextChanged += (sender, e) => {
//var changedSearchBar = (SearchBar)sender;
if (e.NewTextValue == null) {
//this only happens when user taps "Cancel" on iOS
ViewModel.LoadItemsCommand.Execute (null);
searchlistView.ItemsSource = ViewModel.SearchItems;
searchlistView.IsVisible = true;
resultlistView.IsVisible = false;
}
};
searchlistView = new ListView () {
HasUnevenRows = true,
ItemTemplate = new DataTemplate (typeof(SearchItemTemplate)),
SeparatorColor = Color.Transparent,
BackgroundColor = Color.Transparent,
};
resultlistView = new ListView () {
HasUnevenRows = true,
ItemTemplate = new DataTemplate (typeof(ResultsItemTemplate)),
//SeparatorColor = Color.Transparent,
BackgroundColor = Color.Transparent,
};
searchlistView.ItemTapped += (sender, e) => {
var search = (Search)e.Item;
ViewModel.SearchText = search.SearchText;
if(categoryType != LibraryType.MyDocuments){
ViewModel.LoadResultsCommand.Execute (null);
resultlistView.ItemsSource = ViewModel.Files;
}
else{
ViewModel.LoadDownloadedSearchResultsCommand.Execute (null);
resultlistView.ItemsSource = ViewModel.DownloadedFiles;
}
searchlistView.IsVisible = false;
resultlistView.IsVisible = true;
};
resultlistView.ItemTapped += (sender, e) => {
if(categoryType == LibraryType.MyDocuments){
var fileItem = (Downloads)e.Item;
var page = new DocumentDetails (fileItem);
this.Navigation.PushAsync (page,true);
}
else{
var fileItem = (ProductCatalog)e.Item;
var page = new DetailsPopup (fileItem,type);
this.Navigation.PushAsync (page,true);
}
};
Content = new PopupLayout {
//VerticalOptions = LayoutOptions.Center,
Content = new StackLayout {
//BackgroundColor = Color.Black,
Children = { searchBar, searchlistView, resultlistView }
}
};
resultlistView.IsVisible = false;
Title = Translation.Localize("SearchLabel");
}
protected override void OnBindingContextChanged()
{
base.OnBindingContextChanged ();
dynamic c = BindingContext;
// TODO: Fix book item vertical scroll issue - RowHeight - 1 = No Scroll
var itemView = new ListView {
//BackgroundColor = Color.Lime,
ItemsSource = new List<dynamic> { c },
ItemTemplate = new DataTemplate (typeof(ListTemplateLayout)),
HasUnevenRows = false,
IsPullToRefreshEnabled = false,
HeightRequest = 244,
VerticalOptions = LayoutOptions.FillAndExpand,
SeparatorVisibility = SeparatorVisibility.None,
InputTransparent = true,
RowHeight = 243
};
itemView.ItemTapped += (sender, e) => {
((ListView)sender).SelectedItem = null;
};
itemView.ItemSelected += (sender, e) => {
if (e.SelectedItem == null)
return;
var currentItem = (ProductCatalog)e.SelectedItem;
var page = new DetailsPopup (currentItem, LibraryType.NewsLetter);
NewsletterView.Instance.Navigation.PushAsync (page, false);
};
View = itemView;
}
