/** UI Updating Functionality **/
//Reloads UI elements whenever the page becomes visible again in case something changed
private void OnPageVisible(Object sender, DependencyPropertyChangedEventArgs e)
{
if (this.IsVisible) //update the UI source
{
//set title
ProjectTitle.SetCurrentValue(TextBlock.TextProperty, project.title);
//set subtitle
ProjectSubtitle.SetCurrentValue(TextBlock.TextProperty, project.subtitle);
if (HelpFunctions.StringIsBlank(ProjectSubtitle.Text))
{
ProjectSubtitle.Visibility = Visibility.Collapsed;
}
else
{
ProjectSubtitle.Visibility = Visibility.Visible;
}
//update topic list
UpdateTopicList();
//update tag list
UpdateTagList();
//set default filter mode and clear tag selection
SetDefaultFiltering();
//update future elements...
}
}
private void CreateProject_CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
if (HelpFunctions.StringIsBlank(TitleInput.Text))
{
e.CanExecute = false;
}
else
{
e.CanExecute = true;
}
}
private void SaveTopic_CanExecute(Object sender, CanExecuteRoutedEventArgs e)
{
if (!HelpFunctions.StringIsBlank(GivenTitle.Text))
{
e.CanExecute = true;
}
else
{
e.CanExecute = false;
}
}
private void NewTag_Clicked(Object sender, RoutedEventArgs e)
{
if (!NewTagInputBox.Visibility.Equals(Visibility.Visible))
{
NewTagInputBox.Visibility = Visibility.Visible;
Keyboard.Focus(NewTagInputBox);
}
else
{
if (!HelpFunctions.StringIsBlank(NewTagInputBox.Text))
{
this.project.AddTag(NewTagInputBox.Text);
UpdateTagList();
NewTagInputBox.Visibility = Visibility.Collapsed;
NewTagInputBox.Text = "";
}
}
}