private void editControl1_UpdateContextToolTip(object sender, Syncfusion.Windows.Forms.Edit.UpdateTooltipEventArgs e)
{
if (e.Text == string.Empty)
{
Point pointVirtual = editControl1.PointToVirtualPosition(new Point(e.X, e.Y));
if (pointVirtual.Y > 0)
{
// Get the current line
ILexemLine line = editControl1.GetLine(pointVirtual.Y);
if (line != null)
{
// Get tokens from the current line
ILexem lexem = line.FindLexemByColumn(pointVirtual.X);
if (lexem != null)
{
IConfigLexem configLexem = lexem.Config as IConfigLexem;
string formatName = configLexem.Format.Name;
e.Text = "This is a " + formatName + " : " + lexem.Text;
}
}
}
}
}
// Ensure that the context choice popup is displayed if the invoking lexems are "this" or "me" only
private void editControl1_ContextChoiceBeforeOpen(object sender, System.ComponentModel.CancelEventArgs e)
{
ILexem lex;
ILexemLine lexemLine = this.editControl1.GetLine(this.editControl1.CurrentLine);
//Gets the index of the current word in that line
int ind = GetContextChoiceCharIndex(lexemLine);
if (ind <= 0)
{
e.Cancel = true;
return;
}
lex = lexemLine.LineLexems[ind - 1] as ILexem;
// If the count is less than '2', do not show the ContextChoice popup
if (lexemLine.LineLexems.Count < 2)
{
e.Cancel = true;
}
else
{
// Display ContextChoice popup if the lexem used to invoke them is "this" or "me" only
if ((lex.Text == "this") || (lex.Text == "me"))
{
e.Cancel = false;
}
else
{
e.Cancel = true;
}
}
}
/// <summary>
/// Gets context tooltip.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void editControl1_UpdateContextToolTip(object sender, Syncfusion.Windows.Forms.Edit.UpdateTooltipEventArgs e)
{
// If the text is already specified, than we should not change it. This is needed to display default tooltip for the collapsed region.
if (e.Text != string.Empty)
{
return;
}
// Convert position of the mouse cursor to the position in text.
Point virt = editControl1.PointToVirtualPosition(new Point(e.X, e.Y), true);
// If there is no text in tat position, tan exit.
if (virt.IsEmpty == true)
{
return;
}
ILexemLine line = editControl1.GetLine(virt.Y);
if (line != null)
{
// Get lexem under cursor.
ILexem lexem = line.FindLexemByColumn(virt.X);
if (lexem != null)
{
// Set text of the tooltip.
e.Text = GetLexemInfo(lexem) + "\n";
// Get stack of the lexem.
ConfigStack stack = line.GetStackByColumn(virt.X);
if (stack != null)
{
e.Text += "Stack before parsing lexem:\n";
while (stack.Count > 0)
{
IStackData stackItem =
( IStackData )stack.Pop();
if (stackItem.Lexem != null)
{
e.Text += "-- " + GetLexemInfo(stackItem.Lexem) + "\n";
}
}
e.Text += "\n";
}
// Add description if present.
if (m_MethodComments.Contains(lexem.Config.ID))
{
e.Text += "Lexem contains description:\n";
e.Text += m_MethodComments[lexem.Config.ID];
}
}
}
}
// Returns the last index of the context choice character - '.' in the current line
private int GetContextChoiceCharIndex(ILexemLine line)
{
int lastPos = -1;
for (int i = 0; i < line.LineLexems.Count; i++)
{
ILexem lex = line.LineLexems[i] as ILexem;
if (lex.Text == ".")
{
lastPos = i;
}
}
return(lastPos);
}
/// <summary>
/// Looks for the first lexeme on the left with DropContextChoiceList set to true in config
/// </summary>
/// <returns></returns>
private ILexem FindDropper()
{
ILexemLine line = editControl1.CurrentLineInstance;
if (line == null)
{
return(null);
}
ILexem lexem = line.FindLexemByColumn(editControl1.CurrentColumn);
if (lexem == null)
{
// If we are in the virtual space in the line.
if (editControl1.CurrentColumn > 1)
{
lexem = line.FindLexemByColumn(line.LineLength);
}
if (lexem == null)
{
return(null);
}
}
// If current lexem is dropper itself
if (lexem.Config.DropContextChoiceList)
{
return(lexem);
}
int index = line.LineLexems.IndexOf(lexem);
while (index > 0 && !lexem.Config.DropContextChoiceList)
{
lexem = line.LineLexems[--index] as ILexem;
}
if (index <= 0)
{
lexem = null;
}
return(lexem);
}
