public static void ShowAsPopup(Rect buttonPosition, TreeItem[] rootItems, TreeItem selectedItem, string search = "", SearchChangedEventHandler onSearchChanged = null)
{
SearchablePopup searchable = new SearchablePopup();
searchable.m_Items = new List <TreeItem>(rootItems);
searchable.m_SelectedItem = selectedItem;
searchable.m_SearchString = search;
if (onSearchChanged != null)
{
searchable.SearchChanged += onSearchChanged;
}
searchable.ApplyFilter();
if (Event.current != null)
{
// If the event is not null, then we're inside OnGUI so can use the default Unity popup
SearchablePopupContent content = new SearchablePopupContent(buttonPosition, searchable);
searchable.SetEditorWindow(() => content.editorWindow);
PopupWindow.Show(buttonPosition, content);
}
else
{
// Otherwise, the OnGUI version will throw an exception so use our own Editor window
SearchablePopupEditorWindow.ShowAsPopup(buttonPosition, searchable);
}
}
public static void ShowAsPopup(Rect buttonPosition, GUIContent[] labels, int selectedIndex, SelectedIndexEventHandler onSelection, string search = "", SearchChangedEventHandler onSearchChanged = null)
{
List <TreeItem> roots = new List <TreeItem>();
TreeItem selectedItem = null;
Dictionary <string, TreeItem> itemMap = new Dictionary <string, TreeItem>();
List <TreeItem> items = new List <TreeItem>();
//Create all the actual leaf items
for (int i = 0; i < labels.Length; i++)
{
GUIContent label = labels[i];
string text = label.text;
if (!string.IsNullOrEmpty(text))
{
string[] bits = text.Split(new char[] { '/' });
GUIContent leafContent = new GUIContent(bits[bits.Length - 1], label.image, label.tooltip);
// We store the index into the labels array in userData
TreeItem item = new TreeItem(leafContent, text, (int)i, userSelectedItem => {
if (onSelection != null)
{
onSelection((int)userSelectedItem.UserData);
}
});
if (!itemMap.ContainsKey(text))
{
items.Add(item);
if (!itemMap.ContainsKey(text))
{
itemMap.Add(text, item);
}
if (i == selectedIndex)
{
selectedItem = item;
}
}
else
{
Debug.LogErrorFormat("Duplicate Key \"{0}\" in label \"{1}\"", text, label);
}
}
}
// Create any intermediate parent items
foreach (TreeItem item in items)
{
int index = (int)item.UserData;
string originalText = labels[index].text;
if (!string.IsNullOrEmpty(originalText))
{
string[] bits = originalText.Split(new char[] { '/' });
TreeItem prev = null;
TreeItem parent = null;
for (int i = 1; i < bits.Length; i++)
{
prev = parent;
string key = string.Join("/", bits.Take(i).ToArray());
if (!itemMap.TryGetValue(key, out parent))
{
parent = new TreeItem(new GUIContent(bits[i - 1]), null);
if (prev != null)
{
prev.AddChild(parent);
}
else
{
roots.Add(parent);
}
itemMap.Add(key, parent);
}
}
// Add the actual item to the parent (if we even found a parent)
if (parent != null)
{
parent.AddChild(item);
}
else
{
roots.Add(item);
}
}
}
ShowAsPopup(buttonPosition, roots.ToArray(), selectedItem, search, onSearchChanged);
}