void prepareEditor()
{
switch (objType)
{
case TypeCode.Boolean:
editorKeyDown = (s, e) => {
if (e.KeyCode == Keys.Y)
{
editorBool = true;
}
else if (e.KeyCode == Keys.N)
{
editorBool = false;
}
};
break;
case TypeCode.Char:
case TypeCode.Byte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
objType.GetLimits(out var mi, out var ma);
numMin = Convert.ToDecimal(mi);
numMax = Convert.ToDecimal(ma);
decimal num()
{
decimal n = 0;
string t = editor.Text;
if (!string.IsNullOrWhiteSpace(t))
{
n = (decimal)Convert.ChangeType(t, TypeCode.Decimal);
}
return(n);
}
editorNum = num();
editorKeyDown = (s, e) => {
decimal n2, n = 0;
string result = null;
try {
n2 = n = num();
editorNum = n;
Keys k = e.KeyCode;
if (k == Keys.Up || k == Keys.Oemplus)
{
n += 1 * (e.Control ? 5 : 1);
}
else if (k == Keys.Down || k == Keys.OemMinus)
{
n -= 1 * (e.Control ? 5 : 1);
}
else if (k == Keys.PageUp)
{
n += 4 * (e.Control ? 5 : 1);
}
else if (k == Keys.PageDown)
{
n -= 4 * (e.Control ? 5 : 1);
}
else if (e.Control && k == Keys.Back)
{
keyDel = false;
}
else if (e.Control && k == Keys.Delete)
{
keyDel = true;
}
if (n < numMin)
{
n = numMin;
}
else if (n > numMax)
{
n = numMax;
}
if (e.IsInputKey = (n != n2))
{
result = n.ToString(); //Convert.ChangeType(n, objType).ToString();
}
} catch (OverflowException oe) {
var type = (Type)oe.TargetSite.GetType().GetProperty("ReturnType")
.GetMethod.Invoke(oe.TargetSite, new object[0]);
var limit = type.GetField(n >= 0 ? "MaxValue" : "MinValue").GetValue(null);
result = limit.ToString();
} catch (Exception) {
result = Convert.ChangeType(editorNum, objType).ToString();
}
if (result != null)
{
editor.SuspendDrawing();
managedKey = true;
editor.Text = result;
editor.ResumeDrawing();
}
};
editorLeave = (s, e) => {
object r;
bool ok = Core.TryChangeType(editor.Text, objType, out r) ||
Core.TryChangeType(editorNum, objType, out r);
var si = editTarget.SubItems[editSubIndex];
editor.Text = (ok ? r : (si is LVSI_Ex x ? x.Value : si.Text)).ToString();
};
break;
}
switch (objType)
{
case TypeCode.Boolean:
editorTransformer = (AutoTextBox from, StringBuilder text, ref int caret) => {
if (text.Length < 1)
{
return;
}
if (editorBool == true)
{
text.Clear();
text.Append(YES);
}
else if (editorBool == false)
{
text.Clear();
text.Append(NO);
}
caret = text.Length;
};
break;
case TypeCode.Char:
editorTransformer = (AutoTextBox from, StringBuilder text, ref int caret) => {
if (text.Length > 1)
{
text.Remove(0, text.Length - 1);
}
else
{
text.Append('\0');
}
caret = text.Length;
};
break;
case TypeCode.Byte:
case TypeCode.UInt16:
case TypeCode.UInt32:
case TypeCode.UInt64:
editorTransformer = (AutoTextBox from, StringBuilder text, ref int caret)
=> selectiveNumber(validUnsigned, from, text, ref caret);
break;
case TypeCode.SByte:
case TypeCode.Int16:
case TypeCode.Int32:
case TypeCode.Int64:
editorTransformer = (AutoTextBox from, StringBuilder text, ref int caret)
=> selectiveNumber(validSigned, from, text, ref caret);
break;
case TypeCode.Single:
case TypeCode.Double:
case TypeCode.Decimal:
editorTransformer = (AutoTextBox from, StringBuilder text, ref int caret)
=> selectiveNumber(validFloating, from, text, ref caret);
break;
}
}
public void StartEditing(ListViewItem item, int subIndex)
{
//Debug.WriteLine($@"start editing;");
var e = new SubItemEditingEA(item, subIndex);
SubItemEditing?.Invoke(this, e);
var sub = item.SubItems[subIndex];
string value;
bool hide = false;
if (sub is LVSI_Ex x)
{
var o = x.Value;
objType = o?.GetType().GetInterfaces()
.Where(i => i.Name == "IConvertible").Count() >= 1
? Convert.GetTypeCode(o)
: TypeCode.Object;
if (o is bool b)
{
value = b ? YES : NO;
}
else
{
value = o?.ToString() ?? "";
}
hide = x.ShouldBeHidden;
}
else
{
value = sub.Text;
objType = TypeCode.String;
}
item.EnsureVisible();
Rectangle subRect = GetSubItemBounds(item, subIndex);
if (subRect.X < 0)
{
subRect.Width += subRect.X;
subRect.X = 0;
}
if (subRect.X + subRect.Width > Width)
{
subRect.Width = Width - subRect.Left;
}
subRect.Offset(Left, Top);
oldForm = FindForm();
oldForm?.Controls.Add(editor);
Point origin = Point.Empty;
Point pPos = Parent.PointToScreen(origin);
Point ePPos = oldForm.PointToScreen(origin);
var align = Columns[subIndex].TextAlign;
if (align == HorizontalAlignment.Left)
{
subRect.X += 3;
subRect.Width -= 3;
}
else if (align == HorizontalAlignment.Right)
{
subRect.X += 1;
subRect.Width -= 4;
}
subRect.Y += 2;
subRect.Height -= 3;
subRect.Offset(pPos.X - ePPos.X, pPos.Y - ePPos.Y);
if (subIndex == 0 && item.ImageList != null)
{
int iconRes = 20;
subRect.X += iconRes - 1;
subRect.Width -= iconRes;
}
SelectedItems.Clear();
item.Selected = true;
editTarget = item;
editSubIndex = subIndex;
editor.TextAlign = align;
editor.PasswordChar = hide ? '\u25CF' : '\0';
editor.Bounds = subRect;
editor.Font = item.Font;
editorLeave = null;
editorKeyDown = null;
editorTransformer = null;
editor.Text = value;
prepareEditor();
editor.Visible = true;
editor.BringToFront();
editor.Focus();
}
