/// <summary>
/// Tells the instance to validate the text referenced by the given <paramref name="changedRange"/>.
/// </summary>
/// <param name="changedRange">Range of changed text</param>
protected virtual void ProcessSyntaxValidation(Range changedRange)
{
IContentSyntaxValidator syntaxValidator = ((IContentAssistTextBox)this).ContentSyntaxValidator;
if (syntaxValidator == null)
{
return;
}
// Clean all styles
Range.ClearStyle(iErrorLineStyle);
iSyntaxHints.Clear();
// Check for syntax errors again
string text = Range.Text;
IEnumerable <IContentSyntaxValidationHint> hints = syntaxValidator.Validate(text);
Place start = new Place(0, 0);
using (IEnumerator <IContentSyntaxValidationHint> itr = hints.GetEnumerator()) {
while (itr.MoveNext())
{
IContentSyntaxValidationHint hint = itr.Current;
iSyntaxHints.Add(hint.BeginLine, hint);
Range hintRange = GetRange(new Place(hint.BeginColumn, hint.BeginLine), new Place(hint.EndColumn, hint.EndLine));
while (string.IsNullOrEmpty(hintRange.Text) && hintRange.Start > start)
{
hintRange.GoLeft(true);
}
Style style = null;
if (hint.Type == EContentValidationSyntaxHintType.Error)
{
style = iErrorLineStyle;
}
if (hint.Type == EContentValidationSyntaxHintType.Warning)
{
style = iWarningLineStyle;
}
if (hint.Type == EContentValidationSyntaxHintType.Info)
{
style = iInfoLineStyle;
}
if (style == null)
{
continue;
}
hintRange.SetStyle(style);
}
}
}
/// <summary>
/// Tells the instance that the <see cref="IContentAssistTextBox.ContentSyntaxValidator"/> property has been changed.
/// </summary>
/// <param name="validator">New validator</param>
protected virtual void OnContentSyntaxValidatorChanged(IContentSyntaxValidator validator)
{
if (validator == null)
{
return;
}
// Lazy initialize resources
if (iErrorLineStyle == null)
{
SyntaxHighlighter.AddResilientStyle(iErrorLineStyle = new WavyLineStyle(255, Color.Red));
SyntaxHighlighter.AddResilientStyle(iWarningLineStyle = new WavyLineStyle(255, Color.Yellow));
SyntaxHighlighter.AddResilientStyle(iInfoLineStyle = new WavyLineStyle(255, Color.Green));
iErrorBitmap = LoadBitmap("Error-32.png");
iWarningBitmap = LoadBitmap("Warning-32.png");
iInfoBitmap = LoadBitmap("Info-32.png");
}
}
