private void Button_Clicked(object sender, EventArgs e)
{
//Clears properties
Application.Current.Properties.Clear();
//Clears templateDictionary
TemplateDictionary.setDictionary(new Dictionary <string, string>());
//Dispose FlurlClient
FlurlClient_Singleton.DisposeInstance();
Application.Current.SavePropertiesAsync();
//Returns to loginPage
Application.Current.MainPage.Navigation.PushAsync(new MainPage());
//Unsubscribe to all MessagingCenters
MessagingCenter.Unsubscribe <JSONFetcher, string>(this, "loginResponseString");
MessagingCenter.Unsubscribe <JSONFetcher, string>(this, "CUST_PATH_LOADED");
MessagingCenter.Unsubscribe <JSONFetcher>(this, "JSON_ACTION_GET_KEYWORDS_LOADED");
MessagingCenter.Unsubscribe <JSONFetcher>(this, "TEMPLATES_LOADED");
//Clears navigation stack
var existingPages = Navigation.NavigationStack.ToList();
foreach (var page in existingPages)
{
Navigation.RemovePage(page);
}
}
private void loadIcons()
{
//Loads icon from TEMPLATE_DICTIONARY in application properties if it already exits.
if (Application.Current.Properties.ContainsKey("TEMPLATE_DICTIONARY"))
{
templateDictionary = JsonConvert.DeserializeObject <Dictionary <string, string> >(Application.Current.Properties["TEMPLATE_DICTIONARY"] as string);
TemplateDictionary.setDictionary(templateDictionary);
}
else
{
templateDictionary = TemplateDictionary.Instance();
string templateJSON = JsonConvert.SerializeObject(templateDictionary, Formatting.Indented);
Application.Current.Properties["TEMPLATE_DICTIONARY"] = templateJSON;
Application.Current.SavePropertiesAsync();
}
int left = 0;
int top = 0;
for (int i = 0; i < templateDictionary.Count; i++)
{
StackLayout stackLayout = new StackLayout {
Orientation = StackOrientation.Vertical, HorizontalOptions = LayoutOptions.Center, VerticalOptions = LayoutOptions.Start
};
Label label = new Label();
//Get iconURL
string templateString = (string)templateDictionary[i.ToString()];
JObject templateJSON = JObject.Parse(templateString);
string iconURL = (string)templateJSON["templateiconurl"];
//Set image to iconURL
var imageSource = new UriImageSource {
Uri = new Uri("https://e-dok.rm.dk/" + iconURL)
};
Image iconImage = new Image();
iconImage.Source = imageSource;
iconImage.ClassId = i.ToString();
iconImage.HeightRequest = 100;
iconImage.WidthRequest = 100;
label.Text = (string)templateJSON["data"]["templatetitle"];
label.TextColor = Color.Black;
label.HorizontalOptions = LayoutOptions.Center;
stackLayout.Children.Add(iconImage);
stackLayout.Children.Add(label);
frame = new Frame {
Content = stackLayout, Margin = new Thickness(2, 2, 2, 2), ClassId = i.ToString(), StyleId = (string)templateJSON["data"]["templatetitle"]
};
frame.HasShadow = true;
//Adds onTap event
var tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += TapGestureRecognizer_Tapped;
frame.GestureRecognizers.Add(tapGestureRecognizer);
imageList.Add(frame);
}
//Sort alphabetically
List <Frame> sortedFrameList = imageList.OrderBy(o => o.StyleId).ToList();
for (int i = 0; i < sortedFrameList.Count; i++)
{
frame = sortedFrameList[i];
MainLayout.Children.Add(frame, left, top);
left++;
if (left > 1)
{
top++;
left = 0;
}
}
Content = ParentLayout;
}
