/// <summary>
/// looks to see if any prefix is presents
/// </summary>
/// <param name="prefix">the prefix ebing searched for</param>
/// <returns>a set of names </returns>
private SortedSet <Employee> PrefixSearch(string prefix)
{
uxListBox.Items.Clear();
ITrie names = _names.GetCompletions(prefix);
List <string> temp = new List <string>();
if (names != null)
{
uxListBox.BeginUpdate();
names.AddAll(new StringBuilder(prefix), temp);
uxListBox.EndUpdate();
}
SortedSet <Employee> nNames = new SortedSet <Employee>();
foreach (string s in temp)
{
int i = 0;
if (_namesDictionary.TryGetValue(s, out List <Employee> tempList) == true)
{
nNames.Add(tempList[i]);
i++;
}
}
return(nNames);
}
/// <summary>
/// Adds all of the strings in this trie alphabetically to the end of the given list, with each
/// string prefixed by the given prefix.
/// </summary>
/// <param name="prefix">The prefix.</param>
/// <param name="list">The list to which the strings are to be added.</param>
public void AddAll(StringBuilder prefix, IList list)
{
if (_hasEmptyString)
{
list.Add(prefix.ToString());
}
prefix.Append(_childLabel);
_child.AddAll(prefix, list);
prefix.Length--;
}
/// <summary>
/// Handles a Click event on the "Look up Word" button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void uxLookUp_Click(object sender, EventArgs e)
{
uxCompletions.Items.Clear();
ITrie completions = _dictionary.GetCompletions(uxWord.Text); // Replace null with code to get the trie containing all completions of uxWord.Text
if (completions != null)
{
uxCompletions.BeginUpdate();
completions.AddAll(new StringBuilder(uxWord.Text), uxCompletions.Items);
uxCompletions.EndUpdate();
}
}
/// <summary>
/// Handles a Click event on the "Look up Completions" button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void uxLookUp_Click(object sender, EventArgs e)
{
uxCompletions.Items.Clear();
ITrie completions = _dictionary.GetCompletions(uxWord.Text);
if (completions != null)
{
uxCompletions.BeginUpdate();
completions.AddAll(new StringBuilder(uxWord.Text), uxCompletions.Items);
uxCompletions.EndUpdate();
}
}
/// <summary>
/// Handles a Click event on the "Look up Word" button.
/// </summary>
/// <param name="sender">boject from the event</param>
/// <param name="e">event object</param>
private void uxLookUp_Click(object sender, EventArgs e)
{
uxCompletions.Items.Clear();
ITrie completions = _dictionary.GetCompletions(uxWord.Text);// Fill in code to get the trie containing all completions of uxWord.Text
if (completions != null)
{
uxCompletions.BeginUpdate();
// Add code to place all words beginning with uxWord.Text into the IList uxCompletions.Items.
StringBuilder prefix = new StringBuilder(uxWord.Text);
completions.AddAll(prefix, uxCompletions.Items);
uxCompletions.EndUpdate();
}
}
