/// <summary>
/// Gets the labels data.
/// </summary>
/// <param name="key">The key.</param>
/// <param name="uid">The id.</param>
/// <returns>returns label</returns>
public async Task <CreateNewLabel> GetLabelsData(string key, string uid)
{
//// Returns the label from notes choosen
CreateNewLabel label = await this.firebase.Child("Persons").Child(uid).Child("Label").Child(key).OnceSingleAsync <CreateNewLabel>();
return(label);
}
/// <summary>
/// Deletes the label.
/// </summary>
/// <param name="label">The label.</param>
/// <param name="key">The key.</param>
/// <param name="uid">The id.</param>
public void DeleteLabel(CreateNewLabel label, string key, string uid)
{
try
{
//// Deletes the choosen label
this.firebase.Child("Persons").Child(uid).Child("Label").Child(key).DeleteAsync();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Edits the label.
/// </summary>
public async void EditLabel()
{
FirebaseHelper firebaseHelper = new FirebaseHelper();
//// Gets current user id
var userid = DependencyService.Get <IFirebaseAuthenticator>().UserId();
////Gets the notes data
CreateNewLabel createNewLabel = await firebaseHelper.GetLabelsData(this.value, userid);
txtLabel.Text = createNewLabel.Label;
}
//public async void UpdateCollabratedNotes(NotesData notes, string key)
//{
// try
// {
// var users = await firebase.Child("Persons").OnceAsync<SignUpUserData>();
// foreach (var items in users)
// {
// var noteCollabrator = await firebase.Child("Persons").Child(items.Key).Child("Notes").OnceAsync<NotesData>();
// foreach (var item in noteCollabrator)
// {
// if (item.Key == notes.Key)
// {
// await this.firebase.Child("Persons").Child(items.Key).Child("Notes").Child(key).PutAsync(new NotesData() { Title = notes.Title, Notes = notes.Notes, ColorNote = notes.ColorNote, LabelData = notes.LabelData, Area = notes.Area, IsCollaborated = true });
// }
// }
// }
// }
// catch (Exception ex)
// {
// Console.WriteLine(ex.Message);
// }
//}
/// <summary>
/// Updates the labels.
/// </summary>
/// <param name="label">The label.</param>
/// <param name="key">The key.</param>
/// <param name="uid">The id.</param>
public void UpdateLabels(CreateNewLabel label, string key, string uid)
{
try
{
//// Updates the label in firebase
this.firebase.Child("Persons").Child(uid).Child("Label").Child(key).PutAsync(new CreateNewLabel()
{
Label = label.Label
});
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
/// <summary>
/// Handles the Clicked event of the Delete control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
private void Delete_Clicked(object sender, EventArgs e)
{
FirebaseHelper firebaseHelper = new FirebaseHelper();
//// Gets current user id
var userid = DependencyService.Get <IFirebaseAuthenticator>().UserId();
//// Updates the notes when DeleteNotes method is called
CreateNewLabel label = new CreateNewLabel()
{
Label = txtLabel.Text,
};
firebaseHelper.DeleteLabel(label, this.value, userid);
}
/// <summary>
/// Application developers can override this method to provide behavior when the back button is pressed.
/// </summary>
/// <returns>
/// To be added.
/// </returns>
protected override bool OnBackButtonPressed()
{
try
{
FirebaseHelper firebaseHelper = new FirebaseHelper();
//// Gets current user id
var userid = DependencyService.Get <IFirebaseAuthenticator>().UserId();
//// Updates the notes whenUpdateNotes method is called
CreateNewLabel label = new CreateNewLabel()
{
Label = txtLabel.Text,
};
firebaseHelper.UpdateLabels(label, this.value, userid);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return(base.OnBackButtonPressed());
}
/// <summary>
/// Grids the view.
/// </summary>
/// <param name="list">The list.</param>
public void GridView(IList <CreateNewLabel> list)
{
try
{
GridLayout.ColumnDefinitions.Add(new ColumnDefinition {
Width = new GridLength(350)
});
GridLayout.Margin = 5;
int rowCount = 0;
//// Creates number of columns as lables are added
for (int row = 0; row < list.Count; row++)
{
//// Adds new row after 2 labelss
GridLayout.RowDefinitions.Add(new RowDefinition {
Height = new GridLength(50)
});
rowCount++;
}
var index = -1;
//// Adds label to row and columns
for (int rowIndex = 0; rowIndex < rowCount; rowIndex++)
{
for (int columnIndex = 0; columnIndex < 1; columnIndex++)
{
CreateNewLabel data = null;
index++;
if (index < list.Count)
{
data = list[index];
}
//// Creates Labels
var label = new Xamarin.Forms.Label
{
Text = data.Label,
TextColor = Color.Black,
FontAttributes = FontAttributes.None,
VerticalOptions = LayoutOptions.Center,
HorizontalOptions = LayoutOptions.Center,
};
//// Created label key
var labelKey = new Xamarin.Forms.Label
{
Text = data.LabelKey,
IsVisible = false
};
//// Image added to layout
var image = new Image
{
Source = "label.png",
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.Start,
WidthRequest = 20,
HeightRequest = 20,
};
//// Image added to layout
var imageedit = new Image
{
Source = "editicon.png",
VerticalOptions = LayoutOptions.Start,
HorizontalOptions = LayoutOptions.End,
};
//// Creates stack layout for each label
StackLayout layout = new StackLayout()
{
Spacing = 2,
Margin = 2,
BackgroundColor = Color.White
};
var tapGestureRecognizer = new TapGestureRecognizer();
layout.Children.Add(labelKey);
layout.Children.Add(label);
layout.Children.Add(image);
layout.Children.Add(imageedit);
layout.GestureRecognizers.Add(tapGestureRecognizer);
layout.Spacing = 2;
layout.Margin = 2;
layout.BackgroundColor = Color.White;
var frame = new Frame();
frame.BorderColor = Color.White;
frame.Content = layout;
//// Tapped gesture when tapped navigates to Update Labels Page
tapGestureRecognizer.Tapped += (object sender, EventArgs args) =>
{
StackLayout stacklayout = (StackLayout)sender;
IList <Xamarin.Forms.View> item = stacklayout.Children;
Xamarin.Forms.Label KeyValue = (Xamarin.Forms.Label)item[0];
var Keyval = KeyValue.Text;
Navigation.PushAsync(new UpdateLabels(Keyval));
};
GridLayout.Children.Add(frame, columnIndex, rowIndex);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
