165 lines
3.5 KiB
C#
165 lines
3.5 KiB
C#
// <file>
|
|
// <copyright see="prj:///doc/copyright.txt"/>
|
|
// <license see="prj:///doc/license.txt"/>
|
|
// <owner name="Mike Krüger" email="mike@icsharpcode.net"/>
|
|
// <version>$Revision$</version>
|
|
// </file>
|
|
|
|
using System;
|
|
using System.Drawing;
|
|
using SWF = System.Windows.Forms;
|
|
|
|
namespace ICSharpCode.TextEditor.Document
|
|
{
|
|
/// <summary>
|
|
/// Description of Bookmark.
|
|
/// </summary>
|
|
public class Bookmark
|
|
{
|
|
IDocument document;
|
|
TextAnchor anchor;
|
|
TextLocation location;
|
|
bool isEnabled = true;
|
|
|
|
public IDocument Document {
|
|
get {
|
|
return document;
|
|
}
|
|
set {
|
|
if (document != value) {
|
|
if (anchor != null) {
|
|
location = anchor.Location;
|
|
anchor = null;
|
|
}
|
|
document = value;
|
|
CreateAnchor();
|
|
OnDocumentChanged(EventArgs.Empty);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CreateAnchor()
|
|
{
|
|
if (document != null) {
|
|
LineSegment line = document.GetLineSegment(Math.Max(0, Math.Min(location.Line, document.TotalNumberOfLines-1)));
|
|
anchor = line.CreateAnchor(Math.Max(0, Math.Min(location.Column, line.Length)));
|
|
// after insertion: keep bookmarks after the initial whitespace (see DefaultFormattingStrategy.SmartReplaceLine)
|
|
anchor.MovementType = AnchorMovementType.AfterInsertion;
|
|
anchor.Deleted += AnchorDeleted;
|
|
}
|
|
}
|
|
|
|
void AnchorDeleted(object sender, EventArgs e)
|
|
{
|
|
document.BookmarkManager.RemoveMark(this);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets the TextAnchor used for this bookmark.
|
|
/// Is null if the bookmark is not connected to a document.
|
|
/// </summary>
|
|
public TextAnchor Anchor {
|
|
get { return anchor; }
|
|
}
|
|
|
|
public TextLocation Location {
|
|
get {
|
|
if (anchor != null)
|
|
return anchor.Location;
|
|
else
|
|
return location;
|
|
}
|
|
set {
|
|
location = value;
|
|
CreateAnchor();
|
|
}
|
|
}
|
|
|
|
public event EventHandler DocumentChanged;
|
|
|
|
protected virtual void OnDocumentChanged(EventArgs e)
|
|
{
|
|
if (DocumentChanged != null) {
|
|
DocumentChanged(this, e);
|
|
}
|
|
}
|
|
|
|
public bool IsEnabled {
|
|
get {
|
|
return isEnabled;
|
|
}
|
|
set {
|
|
if (isEnabled != value) {
|
|
isEnabled = value;
|
|
if (document != null) {
|
|
document.RequestUpdate(new TextAreaUpdate(TextAreaUpdateType.SingleLine, LineNumber));
|
|
document.CommitUpdate();
|
|
}
|
|
OnIsEnabledChanged(EventArgs.Empty);
|
|
}
|
|
}
|
|
}
|
|
|
|
public event EventHandler IsEnabledChanged;
|
|
|
|
protected virtual void OnIsEnabledChanged(EventArgs e)
|
|
{
|
|
if (IsEnabledChanged != null) {
|
|
IsEnabledChanged(this, e);
|
|
}
|
|
}
|
|
|
|
public int LineNumber {
|
|
get {
|
|
if (anchor != null)
|
|
return anchor.LineNumber;
|
|
else
|
|
return location.Line;
|
|
}
|
|
}
|
|
|
|
public int ColumnNumber {
|
|
get {
|
|
if (anchor != null)
|
|
return anchor.ColumnNumber;
|
|
else
|
|
return location.Column;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Gets if the bookmark can be toggled off using the 'set/unset bookmark' command.
|
|
/// </summary>
|
|
public virtual bool CanToggle {
|
|
get {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
public Bookmark(IDocument document, TextLocation location) : this(document, location, true)
|
|
{
|
|
}
|
|
|
|
public Bookmark(IDocument document, TextLocation location, bool isEnabled)
|
|
{
|
|
this.document = document;
|
|
this.isEnabled = isEnabled;
|
|
this.Location = location;
|
|
}
|
|
|
|
public virtual bool Click(SWF.Control parent, SWF.MouseEventArgs e)
|
|
{
|
|
if (e.Button == SWF.MouseButtons.Left && CanToggle) {
|
|
document.BookmarkManager.RemoveMark(this);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public virtual void Draw(IconBarMargin margin, Graphics g, Point p)
|
|
{
|
|
margin.DrawBookmark(g, p.Y, isEnabled);
|
|
}
|
|
}
|
|
}
|