public void DoSyntaxHightlight_CurrentLine(CodeTextBox codeTextbox)
{
#region Compile regexs if necessary
if (!compiled)
{
Update(codeTextbox);
}
#endregion
string line = RichTextboxHelper.GetCurrentLine(codeTextbox);
int lineStart = RichTextboxHelper.GetCurrentLineStartIndex(codeTextbox);
ProcessLine(codeTextbox, line, lineStart);
}
public void DoIntellisense_CurrentLine(CodeTextBox codeTextbox, TreeView m_IntellisenseTree)
{
#region Compile regexs if necessary
if (!compiled)
{
Update(codeTextbox);
}
#endregion
string line = RichTextboxHelper.GetCurrentLine(codeTextbox);
int lineStart = RichTextboxHelper.GetCurrentLineStartIndex(codeTextbox);
ProcessLine(codeTextbox, line, lineStart, m_IntellisenseTree);
}
/// <summary>
/// Returns the position of the last word. Position searching takes care of scope operators!
/// </summary>
/// <param name="richTextbox"></param>
/// <param name="scopeOperators"></param>
/// <returns></returns>
public int GetLastWordStartPosition(RichTextBox richTextbox, List <string> scopeOperators)
{
int pos = richTextbox.SelectionStart - 1;
List <string> lastScopeOperatorChars = GetLastCharsOfScopeOperators();
//If the last char was a scope separator, we need the current position...
if (m_LastCharWasAScopeOperator)
{
return(richTextbox.SelectionStart);
}
try
{
//If we deleted the last char, and arrive at a scope operator...
string lastWord = RichTextboxHelper.GetLastWord(m_CodeTextBox);
string lastChar = lastWord.Substring(lastWord.Length - 1, 1);
if (lastScopeOperatorChars.Contains(lastChar))
{
return(richTextbox.SelectionStart);;
}
}
catch { }
while (pos > 1)
{
string substr = richTextbox.Text.Substring(pos - 1, 1);
if (Char.IsWhiteSpace(substr, 0))
{
return(pos);
}
else if (lastScopeOperatorChars.Contains(substr))
{
return(pos);
}
pos--;
}
return(0);
}
/// <summary>
/// Calls, when a non-alphanumerical character typed.
/// </summary>
/// <param name="c"></param>
public void TypeNonAlphaNumerical(char c)
{
CheckScopeOperator(c);
//Search the last letter(s) for separator, and update if found...
string lastWord = RichTextboxHelper.GetLastWord(m_CodeTextBox);
//last word doesn't contains the processed char yet...
lastWord += c;
foreach (string separator in m_CodeTextBox.CodeWords_ScopeOperators)
{
int index = lastWord.LastIndexOf(separator);
if (index > -1)
{
if (index == (lastWord.Length - separator.Length))
{
//found...
UpdateIntellisense(true, lastWord.Substring(0, index), c.ToString());
return;
}
}
}
}
/// <summary>
/// Updates the intellisense box's elements to show the right object list.
/// </summary>
/// <param name="forceNextLevel"></param>
/// <param name="word"></param>
/// <param name="justRead"></param>
/// <returns></returns>
public bool UpdateIntellisense(bool forceNextLevel, string word, string justRead)
{
//Clear all elements
m_CodeTextBox.IntellisenseBox.Items.Clear();
//Get the actual line
if (word == "")
{
word = RichTextboxHelper.GetLastWord(m_CodeTextBox);
}
if (justRead == "\b")
{
if (!String.IsNullOrEmpty(word))
{
word = word.Substring(0, word.Length - 1);
}
}
else
{
word += justRead;
}
//Get subwords
string[] words = word.Split(
m_CodeTextBox.CodeWords_ScopeOperators.ToArray <string>(),
StringSplitOptions.None);
//if none, return...
if (words.Length < 1)
{
//Hide intellisense...
return(false);
}
string lastWord = words[words.Length - 1];
if (words.Length == 1 && !forceNextLevel)
{
#region Search in the root level
foreach (TreeNode n in m_CodeTextBox.IntellisenseTree.Nodes)
{
if (!Like(n, lastWord))
{
continue;
}
ImageListItem li = new ImageListItem();
li.Text = n.Name;
li.Image = AssociateImage(n);
m_CodeTextBox.IntellisenseBox.Items.Add(li);
}
//Not show, when no elements available...
if (m_CodeTextBox.IntellisenseBox.Items.Count > 0)
{
m_CodeTextBox.IntellisenseBox.SelectedIndex = 0;
return(true);
}
return(false);
#endregion
}
int i = 1;
TreeNode node = null;
//Find the root node
node = m_CodeTextBox.IntellisenseTree.Nodes[words[0]];
//Search the tree for the last node - before the one we actually type in
while (node != null && i < words.Length - 1)
{
node = node.Nodes[words[i]];
i++;
}
//Couldn't find one of the sub words...
if (node == null)
{
return(false);
}
if (forceNextLevel)
{
lastWord = "";
}
//Add it's nodes to the intellisense list
foreach (TreeNode n in node.Nodes)
{
if (!Like(n, lastWord))
{
continue;
}
ImageListItem li = new ImageListItem();
li.Text = n.Name;
li.Image = AssociateImage(n);
m_CodeTextBox.IntellisenseBox.Items.Add(li);
}
//Show box
ShowIntellisenseBoxWithoutUpdate();
return(true);
}
