Esempio n. 1
0
        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);
        }
Esempio n. 2
0
        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();
        }