public LBItem ItemOf(string S)
{
LBItem result = null;
int num = fList.Count;
for (int i = 0; i < num; i++)
{
LBItem item = (LBItem)fList[i];
if (item.Text.CompareTo(S) == 0)
{
result = item;
}
else
{
result = item.SubItems.ItemOf(S);
}
if (result != null)
{
break;
}
}
return(result);
}
public LBItem Add(string S, object aData)
{
Changing();
int lev;
if (fParentItem == null)
{
lev = 0;
}
else
{
lev = fParentItem.Level + 1;
}
LBItem Result = new LBItem(fOwner, lev);
Result.Text = S;
Result.Data = aData;
Result.List = this;
Result.ImageIndex = -1;
fList.Add(Result);
if (Sorted)
{
Sort();
}
fOwner.Reset(true);
Changed();
return(Result);
}
public LBItemList(ListBox owner, LBItem parentItem)
{
fList = new ExtList <LBItem>();
fOwner = owner;
fParentItem = parentItem;
fSorted = false;
}
public LBItem GetItem(int index)
{
LBItem result = null;
if (index >= 0 && index < fList.Count)
{
result = ((LBItem)fList[index]);
}
return(result);
}
public LBItem(ListBox owner, int level)
{
Color = Colors.Gold;
Checked = false;
Data = null;
fLevel = (int)level;
fOwner = owner;
fParent = null;
fSubItems = new LBItemList(fOwner, this);
Text = "";
}
protected virtual void DoPaintSubItem(BaseScreen screen, LBItem item, int itemIndex, int subIndex, ExtRect subRect)
{
if (fSelIndex == itemIndex)
{
screen.DrawRectangle(subRect, SelColor, SelBorderColor);
}
int tx = subRect.Left + 3;
int ty = subRect.Top + (subRect.Bottom - subRect.Top - Font.Height) / 2;
screen.DrawText(tx, ty, item.SubItems.GetItem(subIndex).Text, 0);
}
public void Delete(int Index)
{
Changing();
LBItem item = GetItem(Index);
if (item != null)
{
item.Dispose();
}
fList.Delete(Index);
Changed();
}
private void ReindexList(LBItemList aList, ref int aIndex)
{
int num = aList.Count;
for (int i = 0; i < num; i++)
{
aIndex++;
LBItem item = aList.GetItem(i);
item.AbsoluteIndex = aIndex;
item.VisibleIndex = aIndex;
fColumnSize++;
}
}
public int IndexOf(LBItem item)
{
int num = fList.Count;
for (int i = 0; i < num; i++)
{
if (fList[i].Equals(item))
{
return(i);
}
}
return(-1);
}
public int IndexOf(string S)
{
int num = fList.Count;
for (int i = 0; i < num; i++)
{
LBItem item = (LBItem)fList[i];
if (item.Text.CompareTo(S) == 0)
{
return(i);
}
}
return(-1);
}
public LBItem GetAbsoluteItem(int index)
{
LBItem result = fItems.GetItem(index);
return(result);
}
protected virtual void DoSelectItem(object Sender, MouseButton Button, int aX, int aY, LBItem Item, ExtRect aRect)
{
if (Options.Contains(LBOptions.lboChecks))
{
int d = (aRect.Bottom - aRect.Top - CheckHeight) / 2;
ExtRect checkRect = aRect;
checkRect.Right = checkRect.Left + CheckWidth + (d << 1);
if (checkRect.Contains(aX, aY) || Options.Contains(LBOptions.lboRadioChecks))
{
DoCheck(fSelIndex);
}
}
if (OnItemSelect != null)
{
OnItemSelect.Invoke(this, Button, Item);
}
}
protected override void DoPaintEvent(BaseScreen screen)
{
ExtRect crt = ClientRect;
if ((ControlStyle.Contains(ControlStyles.сsOpaque)))
{
screen.FillRect(crt, Colors.Black);
}
screen.SetTextColor(Colors.Gold, true);
CtlCommon.DrawCtlBorder(screen, crt);
switch (fMode)
{
case MODE_LIST:
case MODE_ICONS:
{
for (int col = 0; col < fColumns; col++)
{
int lb = fTopIndex + col * fColumnSize;
int hb = lb + (fVisibleItems - 1);
if (hb >= fItems.Count)
{
hb = fItems.Count - 1;
}
int defColor = screen.GetTextColor(true);
for (int i = lb; i <= hb; i++)
{
LBItem item = fItems.GetItem(i);
DoPaintItem(screen, item, i, GetItemRect(i, -1));
}
screen.SetTextColor(defColor, true);
}
}
break;
case MODE_REPORT:
{
int lb = fTopIndex;
int hb = lb + (fVisibleItems - 1);
if (hb >= fItems.Count)
{
hb = fItems.Count - 1;
}
for (int i = lb; i <= hb; i++)
{
LBItem item = fItems.GetItem(i);
int defColor = screen.GetTextColor(true);
DoPaintItem(screen, item, i, GetItemRect(i, -1));
screen.SetTextColor(defColor, true);
int num2 = item.SubItems.Count;
for (int j = 0; j < num2; j++)
{
defColor = screen.GetTextColor(true);
DoPaintSubItem(screen, item, i, j, GetItemRect(i, j));
screen.SetTextColor(defColor, true);
}
}
}
break;
}
}
protected virtual void DoPaintItem(BaseScreen screen, LBItem item, int itemIndex, ExtRect itemRect)
{
if (fSelIndex == itemIndex)
{
screen.DrawRectangle(itemRect, SelColor, SelBorderColor);
}
int ih = ItemHeight;
int tx = itemRect.Left + 2;
int ty;
if (Options.Contains(LBOptions.lboTextTop))
{
ty = itemRect.Top + 1;
}
else
{
ty = itemRect.Top + (ih - Font.Height) / 2;
}
if (Options.Contains(LBOptions.lboChecks))
{
int cd = (ih - CheckHeight) / 2;
int cx = itemRect.Left + cd;
int cy = itemRect.Top + cd;
if (item.Checked)
{
screen.DrawImage(cx, cy, 0, 16, 16, 17, CheckImage, 255);
}
else
{
screen.DrawImage(cx, cy, 0, 0, 16, 17, CheckImage, 255);
}
tx = itemRect.Left + CheckWidth + (cd << 1);
}
if (Options.Contains(LBOptions.lboIcons))
{
if (ImagesList != null && item.ImageIndex > -1)
{
ImagesList.DrawImage(screen, tx, itemRect.Top + (ItemHeight - fIconHeight) / 2, item.ImageIndex, 255);
}
tx = tx + fIconWidth + 2;
}
if (fMode != MODE_ICONS)
{
Font.Color = item.Color;
if (Options.Contains(LBOptions.lboDoubleItem))
{
StringList lst = new StringList();
lst.Text = item.Text;
screen.DrawText(tx, ty, lst[0], 0);
if (lst.Count > 1)
{
screen.DrawText(tx, ty + CtlCommon.SmFont.Height, lst[1], 0);
}
lst.Dispose();
}
else
{
screen.DrawText(tx, ty, item.Text, 0);
}
}
if (OnItemDraw != null)
{
OnItemDraw.Invoke(this, screen, itemIndex, itemRect);
}
}