using System;

using System.Drawing.Drawing2D;

using System.Threading;

using System.Windows.Forms;

using System.Drawing;

using FastColoredTextBoxNS;

using System.Diagnostics;

using System.Text.RegularExpressions;

using System.IO;

using System.Linq;

using System.Collections.Generic;

using System.Runtime.Serialization.Formatters.Binary;

using System.Text;

namespace Tester

{

public partial class PowerfulSample : Form

{

string lang = "CSharp (custom highlighter)";

//styles

TextStyle BlueStyle = new TextStyle(Brushes.Blue, null, FontStyle.Regular);

TextStyle BoldStyle = new TextStyle(null, null, FontStyle.Bold | FontStyle.Underline);

TextStyle GrayStyle = new TextStyle(Brushes.Gray, null, FontStyle.Regular);

TextStyle MagentaStyle = new TextStyle(Brushes.Magenta, null, FontStyle.Regular);

TextStyle GreenStyle = new TextStyle(Brushes.Green, null, FontStyle.Italic);

TextStyle BrownStyle = new TextStyle(Brushes.Brown, null, FontStyle.Italic);

TextStyle MaroonStyle = new TextStyle(Brushes.Maroon, null, FontStyle.Regular);

MarkerStyle SameWordsStyle = new MarkerStyle(new SolidBrush(Color.FromArgb(40, Color.Gray)));

public PowerfulSample()

{

InitializeComponent();

}

private void InitStylesPriority()

{

//add this style explicitly for drawing under other styles

fctb.AddStyle(SameWordsStyle);

}

private void fctb_TextChanged(object sender, TextChangedEventArgs e)

{

switch (lang)

{

case "CSharp (custom highlighter)":

//For sample, we will highlight the syntax of C# manually, although could use built-in highlighter

CSharpSyntaxHighlight(e);//custom highlighting

break;

default:

break;//for highlighting of other languages, we using built-in FastColoredTextBox highlighter

}

}

private void CSharpSyntaxHighlight(TextChangedEventArgs e)

{

fctb.LeftBracket = '(';

fctb.RightBracket = ')';

fctb.LeftBracket2 = '\x0';

fctb.RightBracket2 = '\x0';

//clear style of changed range

e.ChangedRange.ClearStyle(BlueStyle, BoldStyle, GrayStyle, MagentaStyle, GreenStyle, BrownStyle);

//string highlighting

e.ChangedRange.SetStyle(BrownStyle, @"""""|@""""|''|@"".*?""|(?<!@)(?<range>"".*?[^\\]"")|'.*?[^\\]'");

//comment highlighting

e.ChangedRange.SetStyle(GreenStyle, @"//.*$", RegexOptions.Multiline);

e.ChangedRange.SetStyle(GreenStyle, @"(/\*.*?\*/)|(/\*.*)", RegexOptions.Singleline);

e.ChangedRange.SetStyle(GreenStyle, @"(/\*.*?\*/)|(.*\*/)", RegexOptions.Singleline|RegexOptions.RightToLeft);

//number highlighting

e.ChangedRange.SetStyle(MagentaStyle, @"\b\d+[\.]?\d*([eE]\-?\d+)?[lLdDfF]?\b|\b0x[a-fA-F\d]+\b");

//attribute highlighting

e.ChangedRange.SetStyle(GrayStyle, @"^\s*(?<range>\[.+?\])\s*$", RegexOptions.Multiline);

//class name highlighting

e.ChangedRange.SetStyle(BoldStyle, @"\b(class|struct|enum|interface)\s+(?<range>\w+?)\b");

//keyword highlighting

e.ChangedRange.SetStyle(BlueStyle, @"\b(abstract|as|base|bool|break|byte|case|catch|char|checked|class|const|continue|decimal|default|delegate|do|double|else|enum|event|explicit|extern|false|finally|fixed|float|for|foreach|goto|if|implicit|in|int|interface|internal|is|lock|long|namespace|new|null|object|operator|out|override|params|private|protected|public|readonly|ref|return|sbyte|sealed|short|sizeof|stackalloc|static|string|struct|switch|this|throw|true|try|typeof|uint|ulong|unchecked|unsafe|ushort|using|virtual|void|volatile|while|add|alias|ascending|descending|dynamic|from|get|global|group|into|join|let|orderby|partial|remove|select|set|value|var|where|yield)\b|#region\b|#endregion\b");

//clear folding markers

e.ChangedRange.ClearFoldingMarkers();

//set folding markers

e.ChangedRange.SetFoldingMarkers("{", "}");//allow to collapse brackets block

e.ChangedRange.SetFoldingMarkers(@"#region\b", @"#endregion\b");//allow to collapse #region blocks

e.ChangedRange.SetFoldingMarkers(@"/\*", @"\*/");//allow to collapse comment block

}

private void findToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.ShowFindDialog();

}

private void replaceToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.ShowReplaceDialog();

}

private void miLanguage_DropDownOpening(object sender, EventArgs e)

{

foreach (ToolStripMenuItem mi in miLanguage.DropDownItems)

mi.Checked = mi.Text == lang;

}

private void miCSharp_Click(object sender, EventArgs e)

{

//set language

lang = (sender as ToolStripMenuItem).Text;

fctb.ClearStylesBuffer();

fctb.Range.ClearStyle(StyleIndex.All);

InitStylesPriority();

fctb.AutoIndentNeeded -= fctb_AutoIndentNeeded;

//

switch (lang)

{

//For example, we will highlight the syntax of C# manually, although could use built-in highlighter

case "CSharp (custom highlighter)":

fctb.Language = Language.Custom;

fctb.CommentPrefix = "//";

fctb.AutoIndentNeeded += fctb_AutoIndentNeeded;

//call OnTextChanged for refresh syntax highlighting

fctb.OnTextChanged();

break;

case "CSharp (built-in highlighter)": fctb.Language = Language.CSharp; break;

case "VB": fctb.Language = Language.VB; break;

case "HTML": fctb.Language = Language.HTML; break;

case "SQL": fctb.Language = Language.SQL; break;

case "PHP": fctb.Language = Language.PHP; break;

case "JS": fctb.Language = Language.JS; break;

}

fctb.OnSyntaxHighlight(new TextChangedEventArgs(fctb.Range));

miChangeColors.Enabled = lang != "CSharp (custom highlighter)";

}

private void collapseSelectedBlockToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.CollapseBlock(fctb.Selection.Start.iLine, fctb.Selection.End.iLine);

}

private void collapseAllregionToolStripMenuItem_Click(object sender, EventArgs e)

{

//this example shows how to collapse all #region blocks (C#)

if (!lang.StartsWith("CSharp")) return;

for (int iLine = 0; iLine < fctb.LinesCount; iLine++)

{

if (fctb[iLine].FoldingStartMarker == @"#region\b")//marker @"#region\b" was used in SetFoldingMarkers()

fctb.CollapseFoldingBlock(iLine);

}

}

private void exapndAllregionToolStripMenuItem_Click(object sender, EventArgs e)

{

//this example shows how to expand all #region blocks (C#)

if (!lang.StartsWith("CSharp")) return;

for (int iLine = 0; iLine < fctb.LinesCount; iLine++)

{

if (fctb[iLine].FoldingStartMarker == @"#region\b")//marker @"#region\b" was used in SetFoldingMarkers()

fctb.ExpandFoldedBlock(iLine);

}

}

private void increaseIndentSiftTabToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.IncreaseIndent();

}

private void decreaseIndentTabToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.DecreaseIndent();

}

private void hTMLToolStripMenuItem1_Click(object sender, EventArgs e)

{

SaveFileDialog sfd = new SaveFileDialog();

sfd.Filter = "HTML with <PRE> tag|*.html|HTML without <PRE> tag|*.html";

if (sfd.ShowDialog() == DialogResult.OK)

{

string html = "";

if (sfd.FilterIndex == 1)

{

html = fctb.Html;

}

if (sfd.FilterIndex == 2)

{

ExportToHTML exporter = new ExportToHTML();

exporter.UseBr = true;

exporter.UseNbsp = false;

exporter.UseForwardNbsp = true;

exporter.UseStyleTag = true;

html = exporter.GetHtml(fctb);

}

File.WriteAllText(sfd.FileName, html);

}

}

private void fctb_SelectionChangedDelayed(object sender, EventArgs e)

{

fctb.VisibleRange.ClearStyle(SameWordsStyle);

if (!fctb.Selection.IsEmpty)

return;//user selected diapason

//get fragment around caret

var fragment = fctb.Selection.GetFragment(@"\w");

string text = fragment.Text;

if (text.Length == 0)

return;

//highlight same words

var ranges = fctb.VisibleRange.GetRanges("\\b" + text + "\\b").ToArray();

if(ranges.Length>1)

foreach(var r in ranges)

r.SetStyle(SameWordsStyle);

}

private void goForwardCtrlShiftToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.NavigateForward();

}

private void goBackwardCtrlToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.NavigateBackward();

}

private void autoIndentToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.DoAutoIndent();

}

const int maxBracketSearchIterations = 2000;

void GoLeftBracket(FastColoredTextBox tb, char leftBracket, char rightBracket)

{

Range range = tb.Selection.Clone();//need to clone because we will move caret

int counter = 0;

int maxIterations = maxBracketSearchIterations;

while (range.GoLeftThroughFolded())//move caret left

{

if (range.CharAfterStart == leftBracket) counter++;

if (range.CharAfterStart == rightBracket) counter--;

if (counter == 1)

{

//found

tb.Selection.Start = range.Start;

tb.DoSelectionVisible();

break;

}

//

maxIterations--;

if (maxIterations <= 0) break;

}

tb.Invalidate();

}

void GoRightBracket(FastColoredTextBox tb, char leftBracket, char rightBracket)

{

var range = tb.Selection.Clone();//need clone because we will move caret

int counter = 0;

int maxIterations = maxBracketSearchIterations;

do

{

if (range.CharAfterStart == leftBracket) counter++;

if (range.CharAfterStart == rightBracket) counter--;

if (counter == -1)

{

//found

tb.Selection.Start = range.Start;

tb.Selection.GoRightThroughFolded();

tb.DoSelectionVisible();

break;

}

//

maxIterations--;

if (maxIterations <= 0) break;

} while (range.GoRightThroughFolded());//move caret right

tb.Invalidate();

}

private void goLeftBracketToolStripMenuItem_Click(object sender, EventArgs e)

{

GoLeftBracket(fctb, '{', '}');

}

private void goRightBracketToolStripMenuItem_Click(object sender, EventArgs e)

{

GoRightBracket(fctb, '{', '}');

}

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;

}

}

private void miPrint_Click(object sender, EventArgs e)

{

fctb.Print(new PrintDialogSettings() { ShowPrintPreviewDialog = true });

}

Random rnd = new Random();

private void miChangeColors_Click(object sender, EventArgs e)

{

var styles = new Style[] { fctb.SyntaxHighlighter.BlueBoldStyle, fctb.SyntaxHighlighter.BlueStyle, fctb.SyntaxHighlighter.BoldStyle, fctb.SyntaxHighlighter.BrownStyle, fctb.SyntaxHighlighter.GrayStyle, fctb.SyntaxHighlighter.GreenStyle, fctb.SyntaxHighlighter.MagentaStyle, fctb.SyntaxHighlighter.MaroonStyle, fctb.SyntaxHighlighter.RedStyle };

fctb.SyntaxHighlighter.AttributeStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.ClassNameStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.CommentStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.CommentTagStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.KeywordStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.NumberStyle = styles[rnd.Next(styles.Length)];

fctb.SyntaxHighlighter.StringStyle = styles[rnd.Next(styles.Length)];

fctb.OnSyntaxHighlight(new TextChangedEventArgs(fctb.Range));

}

private void setSelectedAsReadonlyToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.Selection.ReadOnly = true;

}

private void setSelectedAsWritableToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.Selection.ReadOnly = false;

}

private void startStopMacroRecordingToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.MacrosManager.IsRecording = !fctb.MacrosManager.IsRecording;

}

private void executeMacroToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.MacrosManager.ExecuteMacros();

}

private void changeHotkeysToolStripMenuItem_Click(object sender, EventArgs e)

{

var form = new HotkeysEditorForm(fctb.HotkeysMapping);

if(form.ShowDialog() == System.Windows.Forms.DialogResult.OK)

fctb.HotkeysMapping = form.GetHotkeys();

}

private void rTFToolStripMenuItem_Click(object sender, EventArgs e)

{

SaveFileDialog sfd = new SaveFileDialog();

sfd.Filter = "RTF|*.rtf";

if (sfd.ShowDialog() == DialogResult.OK)

{

string rtf = fctb.Rtf;

File.WriteAllText(sfd.FileName, rtf);

}

}

private void fctb_CustomAction(object sender, CustomActionEventArgs e)

{

MessageBox.Show(e.Action.ToString());

}

private void commentSelectedLinesToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.InsertLinePrefix(@"//");

}

private void uncommentSelectedLinesToolStripMenuItem_Click(object sender, EventArgs e)

{

fctb.RemoveLinePrefix(@"//");

}

}

}