// This selects an item by tile index
public void SelectItem(int tileindex)
{
// Not when selecting is prevented
if (preventselection)
{
return;
}
// Search for item
ImageBrowserItem target = null; //mxd
foreach (ImageBrowserItem item in items)
{
if (item.Icon.TileIndex == tileindex) //mxd
{
target = item;
break;
}
}
if (target != null)
{
// Select the item
list.SetSelectedItem(target);
}
}
private void OnItemDoubleClicked(ImageBrowserItem item)
{
if (ItemDoubleClicked != null)
{
ItemDoubleClicked(this, item);
}
}
public void ScrollToItem(ImageBrowserItem item)
{
int index = items.IndexOf(item);
if (index < 0)
{
return;
}
Rectangle rec = rectangles[index];
//mxd. Already visible?
int ymin = scrollbar.Value;
int ymax = ymin + this.ClientRectangle.Height;
if (rec.Top - 3 >= ymin && rec.Bottom + 3 <= ymax)
{
return;
}
int yscroll = Math.Max(0, Math.Min(rec.Top - 3, scrollbar.Maximum - ClientRectangle.Height));
scrollbar.Value = yscroll;
Refresh();
}
//mxd. Clears the list without redrawing it
public void Clear()
{
selection.Clear();
items.Clear();
lastselecteditem = null;
rectangles.Clear();
}
//mxd
public void ClearSelection()
{
selection.Clear();
lastselecteditem = null;
OnSelectionChanged(selection);
Refresh();
}
public void SetItems(IEnumerable <ImageBrowserItem> items)
{
this.items.Clear();
lastselecteditem = null;
selection.Clear();
this.items.AddRange(items);
OnSelectionChanged(selection);
UpdateRectangles();
}
//mxd
private int SortItems(ImageBrowserItem item1, ImageBrowserItem item2)
{
if (usedimagesfirst.Checked && item1.Icon.UsedInMap != item2.Icon.UsedInMap)
{
// Push used items to the top
return(item1.Icon.UsedInMap ? -1 : 1);
}
return(item1.CompareTo(item2));
}
// Doublelicking an item
private void list_ItemDoubleClicked(object sender, ImageBrowserItem item)
{
if (!preventselection && (list.SelectedItems.Count > 0))
{
if (SelectedItemDoubleClicked != null)
{
SelectedItemDoubleClicked(item);
}
}
}
//mxd. This validates an item's texture size
private static bool ValidateItemSize(ImageBrowserItem i, int w, int h)
{
if (!i.Icon.IsPreviewLoaded)
{
return(true);
}
if (w > 0 && i.Icon.Width != w)
{
return(false);
}
if (h > 0 && i.Icon.Height != h)
{
return(false);
}
return(true);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
this.Focus();
if (!allowselection)
{
return;
}
if (!allowmultipleselection || !General.Interface.CtrlState)
{
selection.Clear();
}
int x = e.X;
int y = scrollbar.Value + e.Y;
int clickedIndex = GetIndexAt(x, y);
var item = (clickedIndex >= 0 && clickedIndex < items.Count ? items[clickedIndex] : null);
if (item == null)
{
selection.Clear();
}
else if (allowmultipleselection && General.Interface.CtrlState && selection.Contains(item))
{
selection.Remove(item);
lastselecteditem = null;
}
else if (allowmultipleselection && General.Interface.ShiftState && lastselecteditem != null)
{
int bef = items.IndexOf(lastselecteditem);
var start = Math.Min(bef, clickedIndex);
var count = Math.Abs(clickedIndex - bef) + 1;
selection.AddRange(items.GetRange(start, count).Where(i => !selection.Contains(i)));
}
else
{
selection.Add(item);
lastselecteditem = item;
}
OnSelectionChanged(selection);
Refresh();
}
// This validates an item
private bool ValidateItem(ImageBrowserItem item, ImageBrowserItem previtem)
{
//mxd. Don't show duplicate items
if (previtem != null && item.TileName == previtem.TileName)
{
return(false); //mxd
}
//mxd. Filter by Po2 setting. 0 - Any, 1 - only Po2, 2 - only nPo2
switch (po2combo.SelectedIndex)
{
case 1: if (!item.IsPowerOf2)
{
return(false);
}
break;
case 2: if (item.IsPowerOf2)
{
return(false);
}
break;
}
//mxd. Filter by Opacity setting. 0 - Any, 1 - only with alpha, 2 - only without alpha
switch (alphacombo.SelectedIndex)
{
case 1: if (!item.HasAlpha)
{
return(false);
}
break;
case 2: if (item.HasAlpha)
{
return(false);
}
break;
}
// Filter by name
return(item.TileName.ToUpperInvariant().Contains(objectname.Text.ToUpperInvariant()));
}
public void SetSelectedItem(ImageBrowserItem item)
{
SetSelectedItems(new List <ImageBrowserItem> {
item
});
}
// This fills the list based on the objectname filter
private void RefillList(bool selectfirst)
{
visibleitems = new List <ImageBrowserItem>();
//mxd. Store info about currently selected item
string selectedname = string.Empty;
if (!selectfirst && keepselected == -1 && list.SelectedItems.Count > 0)
{
selectedname = list.SelectedItems[0].TileName;
}
// Clear list first
list.Clear();
//mxd. Anything to do?
if (items.Count == 0)
{
return;
}
//mxd. Filtering by texture size?
int w = filterWidth.GetResult(-1);
int h = filterHeight.GetResult(-1);
// Go for all items
ImageBrowserItem previtem = null; //mxd
for (int i = items.Count - 1; i > -1; i--)
{
// Add item if valid
if (ValidateItem(items[i], previtem) && ValidateItemSize(items[i], w, h))
{
visibleitems.Add(items[i]);
previtem = items[i];
}
}
// Fill list
visibleitems.Sort(SortItems);
list.SetItems(visibleitems);
// Update Filter group title
if (visibleitems.Count != items.Count)
{
filtergroup.Text = " Filtering (" + visibleitems.Count + " out of " + items.Count + " images shown) ";
}
else
{
filtergroup.Text = " Filtering ";
}
// Make selection?
if (!preventselection && list.Items.Count > 0)
{
// Select specific item?
if (keepselected > -1)
{
list.SetSelectedItem(list.Items[keepselected]);
}
// Select first item?
else if (selectfirst)
{
SelectFirstItem();
}
//mxd. Try reselecting the same/next closest item
else if (!string.IsNullOrEmpty(selectedname))
{
ImageBrowserItem bestmatch = null;
int charsmatched = 1;
foreach (ImageBrowserItem item in list.Items)
{
if (item.TileName[0] == selectedname[0])
{
if (item.TileName == selectedname)
{
bestmatch = item;
break;
}
for (int i = 1; i < Math.Min(item.TileName.Length, selectedname.Length); i++)
{
if (item.TileName[i] != selectedname[i])
{
if (i > charsmatched)
{
bestmatch = item;
charsmatched = i;
}
break;
}
}
}
}
// Select found item
if (bestmatch != null)
{
list.SetSelectedItem(bestmatch);
}
else
{
SelectFirstItem();
}
}
}
// Raise event
if ((SelectedItemChanged != null) && !preventselection)
{
SelectedItemChanged(list.SelectedItems.Count > 0 ? list.SelectedItems[0] : null);
}
}
