/// <summary>
/// Adds a field to the collection and listens to changes to properties
/// </summary>
/// <param name="field"></param>
private void AddFieldToCollection(FieldModel field)
{
// Listen to changes to the Value property
field.PropertyChanged += (sender, e) =>
{
// If it is the value property, call update on our field
if (e.PropertyName == nameof(field.Value))
{
UpdateField((FieldModel)sender);
}
};
// Add field model to the list
Fields.Add(field);
}
/// <summary>
/// Updates the field
/// </summary>
/// <param name="field"></param>
private async void UpdateField(FieldModel field)
{
if (_isLoading) return;
// Set main window busy state
//(Window.Current.Content as MainPage).SetIsBusy(true);
try
{
// Send the field to the API to be stored under the item
await KryptPadApi.SaveFieldAsync(Category.Id, Item.Id, field.Field);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
// Set main window busy state
//(Window.Current.Content as MainPage).SetIsBusy(false);
}
/// <summary>
/// Registers commands for UI elements
/// </summary>
private void RegisterCommands()
{
// Handle add new field
AddFieldCommand = new Command(async (p) =>
{
// Show the add field dialog
var res = await DialogHelper.ShowClosableDialog<AddFieldDialog>(async (d) =>
{
try
{
var m = (d.DataContext as AddFieldDialogViewModel);
var field = new FieldModel(new ApiField()
{
Name = m.FieldName,
FieldType = m.SelectedFieldType.Id
});
// Send the field to the API to be stored under the item
var resp = await KryptPadApi.SaveFieldAsync(Category.Id, Item.Id, field.Field);
field.Id = resp.Id;
// Add field to the list
AddFieldToCollection(field);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
});
});
// Handle item delete
DeleteItemCommand = new Command(async (p) =>
{
// Prompt user to delete the item
var promptResp = await DialogHelper.Confirm(
"This action cannot be undone. All data associated with this item will be deleted. Are you sure you want to delete this item?",
async (c) =>
{
try
{
// Delete the item
await KryptPadApi.DeleteItemAsync(Category.Id, Item.Id);
// Navigate back to items page
NavigationHelper.Navigate(typeof(ItemsPage), null);
}
catch (WebException ex)
{
// Something went wrong in the api
await DialogHelper.ShowMessageDialogAsync(ex.Message);
}
catch (Exception)
{
// Failed
await DialogHelper.ShowConnectionErrorMessageDialog();
}
});
});
// Handle copy field value
CopyFieldValueCommand = new Command(async (p) =>
{
try
{
var field = p as FieldModel;
// Check if field value is null
if (!string.IsNullOrWhiteSpace(field.Value))
{
// Create a data package
var package = new DataPackage();
package.SetText(field.Value);
// Set the value of the field to the clipboard
Clipboard.SetContent(package);
}
}
catch (Exception)
{
// Failed
await DialogHelper.ShowMessageDialogAsync("Failed to copy text to clipboard.");
}
});
// Delete field
DeleteFieldCommand = new Command(DeleteFieldCommandHandler);
// Rename field
RenameFieldCommand = new Command(RenameFieldCommandHandler);
// Generate password
GeneratePasswordCommand = new Command(GeneratePasswordCommandHandler);
}