void fctb_AutoIndentNeeded(object sender, AutoIndentEventArgs e)
{
// if current line is "begin" then next
// line shift to right
if (e.LineText.Trim() == "begin")
{
e.ShiftNextLines = e.TabLength;
return;
}
// if current line is "end" then current
// and next line shift to left
if (e.LineText.Trim() == "end")
{
e.Shift = -e.TabLength;
e.ShiftNextLines = -e.TabLength;
return;
}
// if previous line contains "then" or "else",
// and current line do not contain "begin"
// then shift current line to right
if (Regex.IsMatch(e.PrevLineText, @"\b(then|else)\b") &&
!Regex.IsMatch(e.LineText, @"\bbegin\b"))
{
e.Shift = e.TabLength;
return;
}
}
private void FastColoredTextBox1OnAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
// start of a tag
// the tag start line look as follows:
// TAGNAME VALUES* (ATTR-NAME=ATTR-VALUE)* {
// We want to shift the next line when the current line (afte trimming) ends with a { and doesn't start with a comment
// TODO: a line within a multi line comment will be a false positive, so be it...
string trimmedLine = args.LineText.Trim();
if (!(trimmedLine.StartsWith("//") || trimmedLine.StartsWith("#") || trimmedLine.StartsWith("--"))
&& trimmedLine.EndsWith("{"))
{
// increase indent
args.ShiftNextLines = args.TabLength;
return;
}
if (!(trimmedLine.StartsWith("//") || trimmedLine.StartsWith("#") || trimmedLine.StartsWith("--"))
&& trimmedLine.EndsWith("}"))
{
// decrease indent
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
}
private void fctb_AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
//block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{.*\}[^""']*$"))
return;
//start of block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{"))
{
args.ShiftNextLines = args.TabLength;
return;
}
//end of block {}
if (Regex.IsMatch(args.LineText, @"}[^""']*$"))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
//label
if (Regex.IsMatch(args.LineText, @"^\s*\w+\s*:\s*($|//)") &&
!Regex.IsMatch(args.LineText, @"^\s*default\s*:"))
{
args.Shift = -args.TabLength;
return;
}
//some statements: case, default
if (Regex.IsMatch(args.LineText, @"^\s*(case|default)\b.*:\s*($|//)"))
{
args.Shift = -args.TabLength / 2;
return;
}
//is unclosed operator in previous line ?
if (Regex.IsMatch(args.PrevLineText, @"^\s*(if|for|foreach|while|[\}\s]*else)\b[^{]*$"))
if (!Regex.IsMatch(args.PrevLineText, @"(;\s*$)|(;\s*//)"))//operator is unclosed
{
args.Shift = args.TabLength;
return;
}
}
protected void HTMLAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
var tb = sender as FastColoredTextBox;
tb.CalcAutoIndentShiftByCodeFolding(sender, args);
}
public virtual void AutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
var tb = (sender as FastColoredTextBox);
Language language = tb.Language;
switch (language)
{
case Language.CSharp:
CSharpAutoIndentNeeded(sender, args);
break;
case Language.VB:
VBAutoIndentNeeded(sender, args);
break;
case Language.HTML:
HTMLAutoIndentNeeded(sender, args);
break;
case Language.SQL:
SQLAutoIndentNeeded(sender, args);
break;
case Language.PHP:
PHPAutoIndentNeeded(sender, args);
break;
case Language.JS:
CSharpAutoIndentNeeded(sender, args);
break; //JS like C#
case Language.Lua:
LuaAutoIndentNeeded(sender, args);
break;
default:
break;
}
}
protected void VBAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
//end of block
if (Regex.IsMatch(args.LineText, @"^\s*(End|EndIf|Next|Loop)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
//start of declaration
if (Regex.IsMatch(args.LineText,
@"\b(Class|Property|Enum|Structure|Sub|Function|Namespace|Interface|Get)\b|(Set\s*\()",
RegexOptions.IgnoreCase))
{
args.ShiftNextLines = args.TabLength;
return;
}
// then ...
if (Regex.IsMatch(args.LineText, @"\b(Then)\s*\S+", RegexOptions.IgnoreCase))
return;
//start of operator block
if (Regex.IsMatch(args.LineText, @"^\s*(If|While|For|Do|Try|With|Using|Select)\b", RegexOptions.IgnoreCase))
{
args.ShiftNextLines = args.TabLength;
return;
}
//Statements else, elseif, case etc
if (Regex.IsMatch(args.LineText, @"^\s*(Else|ElseIf|Case|Catch|Finally)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
return;
}
//Char _
if (args.PrevLineText.TrimEnd().EndsWith("_"))
{
args.Shift = args.TabLength;
return;
}
}
protected void PHPAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
/*
FastColoredTextBox tb = sender as FastColoredTextBox;
tb.CalcAutoIndentShiftByCodeFolding(sender, args);*/
//block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{.*\}[^""']*$"))
return;
//start of block {}
if (Regex.IsMatch(args.LineText, @"^[^""']*\{"))
{
args.ShiftNextLines = args.TabLength;
return;
}
//end of block {}
if (Regex.IsMatch(args.LineText, @"}[^""']*$"))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
//is unclosed operator in previous line ?
if (Regex.IsMatch(args.PrevLineText, @"^\s*(if|for|foreach|while|[\}\s]*else)\b[^{]*$"))
if (!Regex.IsMatch(args.PrevLineText, @"(;\s*$)|(;\s*//)")) //operator is unclosed
{
args.Shift = args.TabLength;
return;
}
}
protected void LuaAutoIndentNeeded(object sender, AutoIndentEventArgs args)
{
//end of block
if (Regex.IsMatch(args.LineText, @"^\s*(end|until)\b"))
{
args.Shift = -args.TabLength;
args.ShiftNextLines = -args.TabLength;
return;
}
// then ...
if (Regex.IsMatch(args.LineText, @"\b(then)\s*\S+"))
return;
//start of operator block
if (Regex.IsMatch(args.LineText, @"^\s*(function|do|for|while|repeat|if)\b"))
{
args.ShiftNextLines = args.TabLength;
return;
}
//Statements else, elseif, case etc
if (Regex.IsMatch(args.LineText, @"^\s*(else|elseif)\b", RegexOptions.IgnoreCase))
{
args.Shift = -args.TabLength;
return;
}
}
private void fctb_AutoIndentNeeded(object sender, AutoIndentEventArgs e)
{
//we assign this handler for disable AutoIndent by folding
}