/// <summary>
/// One time timer to execute timed events.
/// </summary>
private void StartTimer(treeParts part, int interval, CustomizedButton cb)
{
_timer = new Timer();
_timer.Interval = interval += 100;
_timer.AutoReset = false;
if (part.Equals(treeParts.leaf))
{
_timer.Elapsed += (sender, e) => timer_Reassign_Leaf_Tick(sender, e, cb);
}
else
{
_timer.Elapsed += timer_Create_Trunk_Tick;
}
_timer.Start();
}
/// <summary>
/// Creates a specified part of the tree.
/// </summary>
void CreateTreePart(treeParts part)
{
// Store data of avaliable tree index.
Tuple <int, int, int> treeIndex = TreeIndex(part);
// When treeIndex returns nothing or sorting hasn't finished, terminate here.
if (treeIndex == null || _finishedSorting == false)
{
return;
}
// Create Button.
Button button = new Button();
button.Width = 50;
button.Height = 25;
// Add button to the grid.
grid.Children.Add(button);
switch (part)
{
case treeParts.leaf:
// Customize Button
CustomizedButton cb = new CustomizedButton(button, _client.Sentiment(null, TextBox.Text));
cb.MainWindow = this;
cb.UpdateProperties(treeIndex.Item1, treeIndex.Item2, treeIndex.Item3);
// Register button for reference.
RegisterName(button.Name, button);
// Add Button to SortedTupleCollection bag for later manipulation.
_bag.Add(cb.SentimentValue, cb);
// Update sentiment percentages.
UpdateStatistics(cb.SentimentValue, cb.Sentiment.Polarity, false);
break;
case treeParts.trunk:
button.SetValue(Grid.RowProperty, treeIndex.Item2);
button.SetValue(Grid.ColumnProperty, treeIndex.Item3);
button.Background = Brushes.SandyBrown;
break;
}
}
/// <summary>
/// Deletes a specified CustomizedButton.
/// </summary>
public void DeleteLeaf(CustomizedButton cb)
{
// When parameter cb is empty or sorting hasn't finished, terminate here.
if (cb == null || _finishedSorting == false)
{
return;
}
// Set leaf index to default value.
_treeIndices[(int)cb.Button.GetValue(Grid.RowProperty), (int)cb.Button.GetValue(Grid.ColumnProperty)] = (int)treeParts.leaf;
// Convert SortedTupleCollection bag to a list and store it.
List <Tuple <double, CustomizedButton> > list = _bag.ToList();
// Remove specified tuple from the list.
list.Remove(Tuple.Create(cb.SentimentValue, cb));
// Re-initialize the SortedTupleCollection bag.
_bag = new SortedTupleCollection <double, CustomizedButton>();
// Iterate through every element in the list.
foreach (var element in list)
{
// Re-add element into the SortedTupleCollection bag.
_bag.Add(element);
}
// Update sentiment percentages.
UpdateStatistics(cb.SentimentValue, cb.Sentiment.Polarity, true);
// Unregister Button's name.
UnregisterName(cb.Button.Name);
cb.UnloadEvents();
// Remove Button from the grid.
grid.Children.Remove(cb.Button);
}
/// <summary>
/// After every elapse of _sortTimer re-assign leaf properties.
/// </summary>
private void timer_Reassign_Leaf_Tick(object sender, EventArgs e, CustomizedButton cb)
{
// Store data of avaliable tree index.
Tuple <int, int, int> leafIndex = TreeIndex(treeParts.leaf);
// Make sure we are on the main thread.
Application.Current.Dispatcher.Invoke(delegate
{
// Update CustomizedButton properties.
cb.UpdateProperties(leafIndex.Item1, leafIndex.Item2, leafIndex.Item3);
// Register name for later use.
RegisterName(cb.Button.Name, cb.Button);
// Add button to the grid.
grid.Children.Add(cb.Button);
});
// When the maximum capacity is reached, sorting has finished.
if (leafIndex.Item1.Equals(_bag.Count))
{
_finishedSorting = true;
}
}