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This commit is contained in:
Kathy Ruffing
2009-02-04 13:18:19 +00:00
parent c3ea5c84f9
commit 408ba2ff26
2 changed files with 257 additions and 46 deletions
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156
PROMS/Volian.Controls.Library/StepRTB.cs
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@@ -305,7 +305,7 @@ namespace Volian.Controls.Library
}
private void AddSymbol(string str)
{
MessageBox.Show(SelectedRtf);
//MessageBox.Show(SelectedRtf);
SelectedRtf = @"{\rtf1{\fonttbl{\f0\fcharset0 Arial Unicode MS;}}\f0\fs" + this.Font.SizeInPoints * 2 + " " + /* ConvertUnicodeChar(str) */ str + @"}";
}
private void AddRtfLink(displayLinkElement myDisplayLinkElement)
@@ -435,6 +435,7 @@ namespace Volian.Controls.Library
}
#endregion
#region EventSupport
#region LinkEvents
private StepPanelLinkEventArgs _MyLinkClickedEventArgs;
public event StepRTBLinkEvent LinkChanged;
@@ -486,7 +487,7 @@ namespace Volian.Controls.Library
private bool IsControlChar = false;
void StepRTB_KeyDown(object sender, KeyEventArgs e)
{
if (e.Modifiers == Keys.Control)
if (e.Control)
{
IsControlChar = true;
switch (e.KeyCode)
@@ -496,59 +497,124 @@ namespace Volian.Controls.Library
// check if insertable?
Console.WriteLine(String.Format("in switch, keydata = {0}, keyvalue = {1}, buff = {2}", e.KeyData, e.KeyValue, buff));
return;
case Keys.Home:
StepRTB_HomeEndPressed(e);
e.Handled = true;
break;
case Keys.End:
StepRTB_HomeEndPressed(e);
e.Handled = true;
break;
}
}
else
switch (e.KeyCode)
{
switch (e.KeyCode)
{
case Keys.Delete:
// if it's just a link, delete the link. if the text has embedded links, i.e. text and links
// use DeleteTextAndLink to delete it (just setting selectedrtf to "" fails because of the
// embedded protected text. If it's just text, let the richtextbox handle the delete.
if (_MyLinkText != null)
case Keys.Left:
if (e.Control || SelectionStart == 0)
{
StepRTB_ArrowPressed(e.Control ? E_ArrowKeys.CtrlLeft : E_ArrowKeys.Left);
e.Handled = true;
}
break;
case Keys.Up:
int ln = GetLineFromCharIndex(SelectionStart);
if (e.Control || ln == 0)
{
StepRTB_ArrowPressed(e.Control ? E_ArrowKeys.CtrlUp : E_ArrowKeys.Up);
e.Handled = true;
}
break;
case Keys.Right:
if (e.Control || SelectionStart == this.Text.Length)
{
StepRTB_ArrowPressed(e.Control ? E_ArrowKeys.CtrlRight : E_ArrowKeys.Right);
e.Handled = true;
}
break;
case Keys.Down:
int l = GetLineFromCharIndex(SelectionStart);
Point pos = new Point();
pos.X = ClientRectangle.Width;
pos.Y = ClientRectangle.Height;
int lastIndex = this.GetCharIndexFromPosition(pos);
int lastLine = this.GetLineFromCharIndex(lastIndex);
if (e.Control || l == lastLine)
{
StepRTB_ArrowPressed(e.Control ? E_ArrowKeys.CtrlDown : E_ArrowKeys.Down);
e.Handled = true;
}
break;
case Keys.PageUp:
StepRTB_PageKeyPressed(e);
e.Handled = true;
break;
case Keys.PageDown:
StepRTB_PageKeyPressed(e);
e.Handled = true;
break;
case Keys.Delete:
// if it's just a link, delete the link. if the text has embedded links, i.e. text and links
// use DeleteTextAndLink to delete it (just setting selectedrtf to "" fails because of the
// embedded protected text. If it's just text, let the richtextbox handle the delete.
if (_MyLinkText != null)
{
DeleteLink();
e.Handled = true;
}
else if (SelectedRtf.IndexOf(@"\protect") > -1)
{
// unprotect and then delete text & links.
DeleteTextAndLink();
e.Handled = true;
}
break;
case Keys.Back:
// if not a range, i.e. SelectionLength = 0, then see if backspacing a link
// or just regular text. If link, need to select link, unprotect before delete.
if (SelectionLength == 0 && SelectionStart > 0)
{
int tmpss = SelectionStart;
Select(SelectionStart - 1, 0); // see if previous char is protected
if (SelectionProtected)
{
SelectLinkFromIndex(SelectionStart);
DeleteLink();
e.Handled = true;
}
else if (SelectedRtf.IndexOf(@"\protect") > -1)
{
// unprotect and then delete text & links.
DeleteTextAndLink();
e.Handled = true;
}
break;
case Keys.Back:
// if not a range, i.e. SelectionLength = 0, then see if backspacing a link
// or just regular text. If link, need to select link, unprotect before delete.
if (SelectionLength == 0 && SelectionStart > 0)
{
int tmpss = SelectionStart;
Select(SelectionStart - 1, 0); // see if previous char is protected
if (SelectionProtected)
{
SelectLinkFromIndex(SelectionStart);
DeleteLink();
e.Handled = true;
}
else
Select(tmpss, 0); // go back to original cursor position
}
// if a range, need to see if range includes protected text, if so this is a
// special case, so use DeleteTextAndLink. Otherwise, just let the richtextbox
// delete it.
else if (SelectionLength > 0 && (SelectedRtf.IndexOf(@"\protect") > -1))
{
// unprotect and then delete text & links.
DeleteTextAndLink();
e.Handled = true;
}
break;
}
else
Select(tmpss, 0); // go back to original cursor position
}
// if a range, need to see if range includes protected text, if so this is a
// special case, so use DeleteTextAndLink. Otherwise, just let the richtextbox
// delete it.
else if (SelectionLength > 0 && (SelectedRtf.IndexOf(@"\protect") > -1))
{
// unprotect and then delete text & links.
DeleteTextAndLink();
e.Handled = true;
}
break;
}
}
private void StepRTB_HomeEndPressed(KeyEventArgs keyargs)
{
if (MyItemInfo.IsProcedure || MyItemInfo.IsSection) return;
// Cursor moves out of box only if control is pressed too - otherwise key is
// handled in rtb.
if (keyargs.Control)_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs);
}
private void StepRTB_PageKeyPressed(KeyEventArgs keyargs)
{
if (MyItemInfo.IsProcedure || MyItemInfo.IsSection) return;
_MyStepItem.MyStepPanel.StepCursorKeys(this, keyargs);
}
private void StepRTB_ArrowPressed(E_ArrowKeys key)
{
Point cp = PointToClient(Cursor.Position);
_MyStepItem.MyStepPanel.CursorMovement(this, cp, key);
}
private void DeleteTextAndLink()
{
int start = SelectionStart;