public ContentPageXaml(Document selecteDocument, string parentName,INavigation navigation)
{
InitializeComponent();
try
{
if (Device.OS == TargetPlatform.iOS)
{
// move layout under the status bar
this.pageButton.HeightRequest = 30;
this.pageButton.BackgroundColor = Color.Gray;
this.Padding = new Thickness(0, Device.OnPlatform(20,0,0), 0, 0);
}
(Application.Current.MainPage as MasterDetailPage).IsGestureEnabled = false;
_navigation = navigation;
NavigationPage.SetHasNavigationBar(this,false);
BindingContext = new ViewModels.TransformImageViewModel(selecteDocument);
this.backButton.Clicked += async(sender, e) =>
{
(Application.Current.MainPage as MasterDetailPage).IsGestureEnabled = true;
_navigation.PopAsync();
};
this.pageButton.Clicked+= async(sender, e) =>
{
var str = new List<string>();
for (int i = 1; i <= ViewModel.TotalPage; i++)
{
str.Add("Page " + i.ToString());
}
var action = await DisplayActionSheet ("Go To Page", "Cancel", null, str.ToArray());
if(action != null)
{
if(action.ToUpper().Contains("PAGE"))
{
int page = Convert.ToInt32(action.ToUpper().Replace("PAGE ",""));
if(ViewModel.CurrentPage != page)
{
ViewModel.CurrentPage = page;
ViewModel.CurrentPickerPage = ViewModel.CurrentPage.ToString();
ViewModel.ImageSource = null;
Task.Run(() => ViewModel.RefreshImage(page, ViewModel.FolderName, "", false));
}
}
}
};
}
catch (Exception ex)
{
DisplayAlert("Error", "An exception occurred.", "OK");
}
}
public int SaveItem(Document item)
{
lock (locker)
{
if (item.Id != 0) {
database.Update(item);
return item.Id;
}
return database.Insert(item);
}
}
public TransformImageViewModel(Document selecteDocument)
: base()
{
try
{
DocName = selecteDocument.Name;
CurrentPickerPage = _currentPage.ToString();
Task.Run(() => RefreshImage(_currentPage, selecteDocument.Name, selecteDocument.RelativePath, true));
var recentItem = new Recent()
{
Ext = selecteDocument.Ext,
Name = selecteDocument.Name,
CreatedBy = selecteDocument.CreatedBy,
CreatedDateTime = selecteDocument.CreatedDateTime,
Size = selecteDocument.Size,
ModifiedBy = selecteDocument.ModifiedBy,
ModifiedDateTime = selecteDocument.ModifiedDateTime,
LibraryGuid = selecteDocument.LibraryGuid,
RelativePath = selecteDocument.RelativePath
};
UpdateRecentList(recentItem);
}
catch (Exception ex)
{
Alert (ex.Message);
}
}
public DocumentDetailPage(Document selecteDocument, string parentName,bool isRecent,int totalPage=10)
{
try
{
NavigationPage.SetHasNavigationBar(this, true);
Title = parentName;
_totalPage = totalPage;
lblPage = new Label()
{
Text = " Of " + _totalPage,
VerticalOptions = LayoutOptions.CenterAndExpand
};
if (isRecent == false)
{
var database = new RecentDatabase();
database.SaveItem(new Recent()
{
Ext = selecteDocument.Ext,
Name = selecteDocument.Name,
CreatedBy = selecteDocument.CreatedBy,
CreatedDateTime = selecteDocument.CreatedDateTime,
Size = selecteDocument.Size,
ModifiedBy = selecteDocument.ModifiedBy,
ModifiedDateTime = selecteDocument.ModifiedDateTime,
LibraryGuid = selecteDocument.LibraryGuid,
RelativePath = selecteDocument.RelativePath
});
}
this.Padding = new Thickness(5, Device.OnPlatform(5, 0, 0), 5, 5);
var relativeLayout = new RelativeLayout();
_webImage = new Image()
{
Aspect = Aspect.AspectFill,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Source = getImage(_currentPage)
};
relativeLayout.Children.Add(_webImage, Constraint.RelativeToParent((parent) =>
{
return 0;
}));
top = new StackLayout()
{
Orientation = StackOrientation.Horizontal
};
var image = new Image() {Source = "back.png",MinimumWidthRequest = 32,MinimumHeightRequest = 32};
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += tapGestureRecognizer_Tapped;
image.GestureRecognizers.Add(tapGestureRecognizer);
pkrPage = new Picker() {MinimumHeightRequest = 60, MinimumWidthRequest = 80};
for (int i = 1; i <= totalPage; i++)
{
pkrPage.Items.Add(" " + i + " ");
}
pkrPage.SelectedIndex = 0;
pkrPage.SelectedIndexChanged += (sender, e) =>
{
_currentPage = pkrPage.SelectedIndex + 1;
DisableButton();
};
top.Children.Add(image);
top.Children.Add(pkrPage);
top.Children.Add(lblPage);
prevButton = new Button {Text = "<", TextColor = Color.FromHex("#666")};
nextButton = new Button {Text = ">", TextColor = Color.FromHex("#666")};
prevButton.Clicked += prevButton_Clicked;
nextButton.Clicked += nextButton_Clicked;
relativeLayout.Children.Add(nextButton,
Constraint.RelativeToParent((parent) =>
{
return (parent.Width - 60);
}),
Constraint.RelativeToParent((parent) =>
{
return (parent.Height/2);
}));
relativeLayout.Children.Add(prevButton,
Constraint.RelativeToParent((parent) =>
{
return (0);
}),
Constraint.RelativeToParent((parent) =>
{
return (parent.Height/2);
}));
var mainLayout = new StackLayout()
{
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
};
mainLayout.Children.Add(top);
mainLayout.Children.Add(relativeLayout);
this.Content = new ScrollView {Content = mainLayout};
DisableButton();
}
catch (Exception ex)
{
DisplayAlert(ex.Message, "Error", "OK");
}
}
public RecentPage()
{
try
{
var cell = new DataTemplate(typeof(RecentListCell));
_recentListView = new ListView()
{
ItemsSource = GetRecentList(),
RowHeight = 65,
ItemTemplate = cell
};
_recentListView.ItemTapped += async (sender, e) =>
{
if (CrossConnectivity.Current.IsConnected == false)
{
await DisplayAlert("Error", "Please check internet connectivity.", "OK");
return;
}
if (this.AcquireTapLock())
{
var selectedItem = (Recent) e.Item;
var doc = new Document()
{
RelativePath = selectedItem.RelativePath,
CreatedBy = selectedItem.CreatedBy,
CreatedDateTime = selectedItem.CreatedDateTime,
Ext = selectedItem.Ext,
Size=selectedItem.Size,
Id = selectedItem.Id,
IsFolder = false,
ModifiedBy = selectedItem.ModifiedBy,
ModifiedDateTime = selectedItem.ModifiedDateTime,
Name = selectedItem.Name,
LibraryGuid = selectedItem.LibraryGuid
};
await Navigation.PushAsync(new ContentPageXaml(doc, "Recent", this.Navigation),true);
this.ReleaseTapLock();
((ListView) sender).SelectedItem = null;
}
};
var upperPanel = new StackLayout
{
Orientation = StackOrientation.Horizontal,
Children = {
_recentListView
}
};
Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);
Content = new Xamarin.Forms.ScrollView { Content = upperPanel };
}
catch (Exception ex)
{
DisplayAlert("Error", "An exception occurred.", "OK");
}
}