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Bug fix for disabling the GOTO Button when you right arrow off of linked text.

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Find/Replace logic.
This commit is contained in:
John Jenko 2010-01-08 17:34:38 +00:00
parent 281ef2abd3
commit ed53060f48
1 changed files with 82 additions and 1 deletions
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83
PROMS/Volian.Controls.Library/StepRTB.cs
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@ -1647,7 +1647,34 @@ namespace Volian.Controls.Library
int selLength = len;
foreach (LinkLocation ll in _LinkLocations)
{
if (sel >= ll.Start && sel < ll.Start + ll.Length + 7) return true;
// When the selector moved to the right of a link, the GOTO button was still lit.
// Removing the "+7" seems to have fixed this. - jsj 1/08/2010
//if (sel >= ll.Start && sel < ll.Start + ll.Length + 7) return true;
if (sel >= ll.Start && sel < ll.Start + ll.Length) return true;
}
return false;
}
/// <summary>
/// For use in Find/Replace.
/// If text is found is part of the link information and not the link value,
/// then we want to continue searching.
/// </summary>
/// <param name="index"></param>
/// <param name="len"></param>
/// <returns></returns>
public bool SkipLinkInfo(int index, int len)
{
if (_LinkLocations == null)return false;
int sel = index;
int selLength = len;
foreach (LinkLocation ll in _LinkLocations)
{
if (sel >= ll.Start - 7 && sel < ll.Start + ll.Length)
{
int pos = ll.Text.IndexOf("#Link:");
if (sel < ll.Start || sel >= ll.Start-7+pos)
return (true);
}
}
return false;
}
@ -1771,6 +1798,60 @@ namespace Volian.Controls.Library
}
return null;
}
private RichTextBoxFinds _FindOptions = RichTextBoxFinds.None;
public void FindText(string str, bool caseSensitive, bool matchWholeWord, bool reverse)
{
RTF savRTF = new RTF();
int startpos = SelectionStart + SelectionLength;
savRTF.Text = this.Text;
_FindOptions = RichTextBoxFinds.None;
if (caseSensitive)
_FindOptions |= RichTextBoxFinds.MatchCase;
if (matchWholeWord)
_FindOptions |= RichTextBoxFinds.WholeWord;
if (reverse)
{
_FindOptions |= RichTextBoxFinds.Reverse;
savRTF.Text = this.Text.Substring(0, SelectionStart);
startpos = savRTF.Text.Length;
if (startpos == 0)
return; // at beginning of rtfbox during a reverse find
}
else
{
if (startpos >= savRTF.Text.Length)
return; // at end of rtfbox during a forward find
}
// look for the find string in the temporary rtfbox
// then set the cursor selection in the real rtfbox
bool keepgoing = true;
while (keepgoing)
{
int pos = savRTF.Find(str, startpos, _FindOptions);
keepgoing = false;
if (pos >= 0)
{
if (this.SkipLinkInfo(pos,str.Length))
{
if (reverse)
{
startpos--;
savRTF.Text = savRTF.Text.Substring(0, startpos);
}
else
startpos++;
if (startpos > 0 && startpos < savRTF.Text.Length)
keepgoing = true;
}
else
{
SelectionStart = pos;
SelectionLength = str.Length;
}
}
}
}
private int FindStart()
{
foreach (LinkLocation ll in _LinkLocations)