void SearchItemPicker_SelectedIndexChanged(object sender, EventArgs e)
{
ToggleSearchBtn();
SearchingGraphObject SGObj = (SearchingGraphObject)BindingContext;
// change colour of old entry
Entry oldEntry = CurrentEntriesOnGraph.Where(p => p.Value == SGObj.SearchItemValue)
.FirstOrDefault();
if (!(oldEntry is null))
{
oldEntry.Color = SKColor.Parse("#FF1493");
}
SGObj.SearchItemValue = searchItemPicker.SelectedIndex;
Entry searchItemEntry = CurrentEntriesOnGraph.Where(p => p.Value == SGObj.SearchItemValue)
.FirstOrDefault();
int index = CurrentEntriesOnGraph.ToList().IndexOf(searchItemEntry);
if (SGObj.SearchItemValue > 0)
{
CurrentEntriesOnGraph.ToArray()[index].Color = SKColor.Parse("#0000FF");
}
DisplayGraph(CurrentEntriesOnGraph);
}
private async void CarryOutMergeOperations(List <MergeSortOperation> operations)
{
foreach (MergeSortOperation operation in operations)
{
SortingGraphObject SGObj = (SortingGraphObject)BindingContext;
int speed = SGObj.SpeedDictionary[SGObj.Speed];
if (!operation.IsFinalMergeOperation)
{
foreach (Entry entry in operation.LeftEntries)
{
Entry tempEntry = CurrentEntriesOnGraph.Where(hr => hr.Value == entry.Value).FirstOrDefault();
if (tempEntry != null)
{
continue; // doesn't f*cking work
}
}
DisplayGraph(CurrentEntriesOnGraph);
await Task.Delay(speed);
}
else
{
CurrentEntriesOnGraph = operation.LeftEntries
.Concat(operation.RightEntries)
.ToList();
DisplayGraph(CurrentEntriesOnGraph);
await Task.Delay(speed);
int resultValue = (int)operation.ResultsEntries.Last().Value;
Entry entry = CurrentEntriesOnGraph.Where(hr => hr.Value == resultValue)
.FirstOrDefault();
if (entry != null)
{
List <Entry> entries = CurrentEntriesOnGraph.Select(hr => hr).ToList();
entries.Remove(entry);
entries.Add(entry);
CurrentEntriesOnGraph = entries;
DisplayGraph(CurrentEntriesOnGraph);
await Task.Delay(speed);
}
}
}
ToggleButtons();
DisplayCaseBtns();
}