public FindAndReplace()
{
this.InitializeComponent();
rtb.Text = Strings.Find;
rtb.ContextMenuOpening += rtb_ContextMenuOpening;
rtb.Tapped += rtb_Tapped;
_listStart = new List<int>();
_rangeStyles = new C1RangeStyleCollection();
_highlightStyle = new C1TextElementStyle();
_highlightStyle[C1TextElement.BackgroundProperty] = new SolidColorBrush(Colors.Yellow);
}
// perform syntax coloring
void UpdateSyntaxColoring()
{
C1TextRange range = c1RichTextBox1.Document.ContentRange;
// reset coloring
_rangeStyles = new C1RangeStyleCollection();
c1RichTextBox1.StyleOverrides.Clear();
c1RichTextBox1.StyleOverrides.Add(_rangeStyles);
var input = range.Text;
if (Mode == SyntaxMode.Xaml)
{
// highlight the matches
foreach (Match m in Regex.Matches(input, tagPattern))
{
// select whole tag, make it dark blue
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, m), brDarkBlue));
// select tag name, make it dark red
var tagName = m.Groups["tagName"];
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, tagName), brDarkRed));
// select attribute names, make them light red
var attGroup = m.Groups["attName"];
if (attGroup != null)
{
var atts = attGroup.Captures;
for (int i = 0; i < atts.Count; i++)
{
var att = atts[i];
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, att), brLightRed));
}
}
}
}
else if (Mode == SyntaxMode.CSharp)
{
// highlight reserved words first
foreach (string keyword in reservedWords)
{
foreach (Match m in Regex.Matches(input, keyword + " "))
{
// select reserved word, make it blue
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, m), brBlue));
}
}
// highlight strings
foreach (Match m in Regex.Matches(input, stringPattern))
{
// select string, make it red
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, m), brDarkRed));
}
// highlight comments
foreach (Match m in Regex.Matches(input, commentPattern))
{
// select comment, make it green
_rangeStyles.Add(new C1RangeStyle(GetRangeAtTextOffset(range.Start, m), brGreen));
}
}
}
