Browse Source
git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@3868 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61shortcuts
Daniel Grunwald
17 years ago
21 changed files with 485 additions and 174 deletions
@ -0,0 +1,28 @@
@@ -0,0 +1,28 @@
|
||||
// <file>
|
||||
// <copyright see="prj:///doc/copyright.txt"/>
|
||||
// <license see="prj:///doc/license.txt"/>
|
||||
// <author name="Daniel Grunwald"/>
|
||||
// <version>$Revision$</version>
|
||||
// </file>
|
||||
|
||||
using System; |
||||
|
||||
namespace ICSharpCode.AvalonEdit.Gui |
||||
{ |
||||
/// <summary>
|
||||
/// Allows <see cref="VisualLineElementGenerator"/>s, <see cref="IVisualLineTransformer"/>s and
|
||||
/// <see cref="IBackgroundRenderer"/> to be notified when they are added or removed from a text view.
|
||||
/// </summary>
|
||||
public interface ITextViewConnect |
||||
{ |
||||
/// <summary>
|
||||
/// Called when added to a text view.
|
||||
/// </summary>
|
||||
void AddToTextView(TextView textView); |
||||
|
||||
/// <summary>
|
||||
/// Called when removed from a text view.
|
||||
/// </summary>
|
||||
void RemoveFromTextView(TextView textView); |
||||
} |
||||
} |
||||
@ -0,0 +1,163 @@
@@ -0,0 +1,163 @@
|
||||
// <file>
|
||||
// <copyright see="prj:///doc/copyright.txt"/>
|
||||
// <license see="prj:///doc/license.txt"/>
|
||||
// <author name="Daniel Grunwald"/>
|
||||
// <version>$Revision$</version>
|
||||
// </file>
|
||||
|
||||
using System; |
||||
using System.Diagnostics; |
||||
using System.Globalization; |
||||
using System.Text; |
||||
using System.Windows; |
||||
|
||||
using ICSharpCode.AvalonEdit.Document; |
||||
using ICSharpCode.AvalonEdit.Highlighting; |
||||
|
||||
namespace ICSharpCode.AvalonEdit.Utils |
||||
{ |
||||
/// <summary>
|
||||
/// Allows copying HTML text to the clipboard.
|
||||
/// </summary>
|
||||
public static class HtmlClipboard |
||||
{ |
||||
/// <summary>
|
||||
/// Builds a header for the CF_HTML clipboard format.
|
||||
/// </summary>
|
||||
static string BuildHeader(int startHTML, int endHTML, int startFragment, int endFragment) |
||||
{ |
||||
StringBuilder b = new StringBuilder(); |
||||
b.AppendLine("Version:1.0"); |
||||
b.AppendLine("StartHTML:" + startHTML.ToString("d8", CultureInfo.InvariantCulture)); |
||||
b.AppendLine("EndHTML:" + endHTML.ToString("d8", CultureInfo.InvariantCulture)); |
||||
b.AppendLine("StartFragment:" + startFragment.ToString("d8", CultureInfo.InvariantCulture)); |
||||
b.AppendLine("EndFragment:" + endFragment.ToString("d8", CultureInfo.InvariantCulture)); |
||||
return b.ToString(); |
||||
} |
||||
|
||||
/// <summary>
|
||||
/// Sets the TextDataFormat.Html on the data object to the specified html fragment.
|
||||
/// This helper methods takes care of creating the necessary CF_HTML header.
|
||||
/// </summary>
|
||||
public static void SetHtml(DataObject dataObject, string htmlFragment) |
||||
{ |
||||
if (dataObject == null) |
||||
throw new ArgumentNullException("dataObject"); |
||||
if (htmlFragment == null) |
||||
throw new ArgumentNullException("htmlFragment"); |
||||
|
||||
string htmlStart = @"<!DOCTYPE HTML PUBLIC ""-//W3C//DTD HTML 4.0 Transitional//EN"">" + Environment.NewLine |
||||
+ "<HTML>" + Environment.NewLine |
||||
+ "<HEAD><TITLE>Copied from AvalonEdit</TITLE></HEAD>" + Environment.NewLine |
||||
+ "<BODY>" + Environment.NewLine |
||||
+ "<!--StartFragment-->" + Environment.NewLine; |
||||
string htmlEnd = "<!--EndFragment-->" + Environment.NewLine + "</BODY>" + Environment.NewLine + "</HTML>" + Environment.NewLine; |
||||
string dummyHeader = BuildHeader(0, 0, 0, 0); |
||||
// the offsets are stored as UTF-8 bytes (see CF_HTML documentation)
|
||||
int startHTML = dummyHeader.Length; |
||||
int startFragment = startHTML + htmlStart.Length; |
||||
int endFragment = startFragment + Encoding.UTF8.GetByteCount(htmlFragment); |
||||
int endHTML = endFragment + htmlEnd.Length; |
||||
string cf_html = BuildHeader(startHTML, endHTML, startFragment, endFragment) + htmlStart + htmlFragment + htmlEnd; |
||||
Debug.WriteLine(cf_html); |
||||
dataObject.SetText(cf_html, TextDataFormat.Html); |
||||
} |
||||
|
||||
/// <summary>
|
||||
/// Creates a HTML fragment from a part of a document.
|
||||
/// </summary>
|
||||
/// <param name="document">The document to create HTML from.</param>
|
||||
/// <param name="highlighter">The highlighter used to highlight the document.</param>
|
||||
/// <param name="segment">The part of the document to create HTML for. You can pass null to create HTML for the whole document.</param>
|
||||
/// <returns>HTML code for the document part.</returns>
|
||||
public static string CreateHtmlFragment(TextDocument document, DocumentHighlighter highlighter, ISegment segment) |
||||
{ |
||||
if (document == null) |
||||
throw new ArgumentNullException("document"); |
||||
if (segment == null) |
||||
segment = new SimpleSegment(0, document.TextLength); |
||||
|
||||
StringBuilder html = new StringBuilder(); |
||||
int segmentEndOffset = segment.GetEndOffset(); |
||||
DocumentLine line = document.GetLineByOffset(segment.Offset); |
||||
while (line != null && line.Offset < segmentEndOffset) { |
||||
HighlightedLine highlightedLine; |
||||
if (highlighter != null) |
||||
highlightedLine = highlighter.HighlightLine(line); |
||||
else |
||||
highlightedLine = new HighlightedLine(line); |
||||
SimpleSegment s = segment.GetOverlap(line); |
||||
if (html.Length > 0) |
||||
html.AppendLine("<br>"); |
||||
html.Append(highlightedLine.ToHtml(s.Offset, s.GetEndOffset())); |
||||
line = line.NextLine; |
||||
} |
||||
return html.ToString(); |
||||
} |
||||
|
||||
/// <summary>
|
||||
/// Creates a HTML fragment for the selected part of the document.
|
||||
/// </summary>
|
||||
public static string CreateHtmlFragmentForSelection(TextArea textArea) |
||||
{ |
||||
if (textArea == null) |
||||
throw new ArgumentNullException("textArea"); |
||||
DocumentHighlighter highlighter = textArea.GetService(typeof(DocumentHighlighter)) as DocumentHighlighter; |
||||
StringBuilder html = new StringBuilder(); |
||||
foreach (ISegment selectedSegment in textArea.Selection.Segments) { |
||||
html.AppendLine(CreateHtmlFragment(textArea.Document, highlighter, selectedSegment)); |
||||
} |
||||
return html.ToString(); |
||||
} |
||||
|
||||
/// <summary>
|
||||
/// Escapes text and writes the result to the StringBuilder.
|
||||
/// </summary>
|
||||
internal static void EscapeHtml(StringBuilder b, string text) |
||||
{ |
||||
int spaceCount = -1; |
||||
foreach (char c in text) { |
||||
if (c == ' ') { |
||||
if (spaceCount < 0) |
||||
b.Append(" "); |
||||
else |
||||
spaceCount++; |
||||
} else if (c == '\t') { |
||||
if (spaceCount < 0) |
||||
spaceCount = 0; |
||||
// TODO: use tab width setting
|
||||
spaceCount += 4; |
||||
} else { |
||||
if (spaceCount == 1) { |
||||
b.Append(' '); |
||||
} else if (spaceCount >= 1) { |
||||
for (int i = 0; i < spaceCount; i++) { |
||||
b.Append(" "); |
||||
} |
||||
} |
||||
spaceCount = 0; |
||||
switch (c) { |
||||
case '<': |
||||
b.Append("<"); |
||||
break; |
||||
case '>': |
||||
b.Append(">"); |
||||
break; |
||||
case '&': |
||||
b.Append("&"); |
||||
break; |
||||
case '"': |
||||
b.Append("""); |
||||
break; |
||||
default: |
||||
b.Append(c); |
||||
break; |
||||
} |
||||
} |
||||
} |
||||
for (int i = 0; i < spaceCount; i++) { |
||||
b.Append(" "); |
||||
} |
||||
} |
||||
} |
||||
} |
||||
Loading…
Reference in new issue