/// <summary>
/// Here's how the drawer checks what avenue to take:
/// 1. If valid folder and folder has assigned icon, draw replacement icon and exit.
/// 2. Else if asset successfully loads, try to draw it by passing any PvIconAttributes through registry.
/// 3. Else check if asset path matches regex, and draw replacement if it does.
/// 4. Else check if asset extension matches one of the registered extns, and draw replacement if it does
/// 5. Failed to find a good substitute icon. Leave original icon intact.
/// </summary>
public void DrawProjectIcon(string guid, Rect selectionrect)
{
/*
* ValidateProjectBrowser();
* bool didClip = false;
* if (_getProjectBrowserRect != null)
* {
* Rect projectBrowserRect = _getProjectBrowserRect();
* Rect clippingRect = new Rect(Vector2.down * (18f), projectBrowserRect.size - new Vector2(0f, 36f));
* /EditorGUI.DrawRect(clippingRect, Color.green);
* GUI.BeginClip(clippingRect);
* selectionrect = new Rect(selectionrect.position - clippingRect.position, selectionrect.size);
* didClip = true;
* }
*/
//determine whether given asset is currently selected
bool selected = Array.IndexOf(Selection.assetGUIDs, guid) > -1;
string path = AssetDatabase.GUIDToAssetPath(guid);
Object asset = AssetDatabase.LoadAssetAtPath(path, typeof(Object));
//PvCustomizerGUI.InvertedColors = selected;
PvCustomizerSettings settings = PvCustomizerSettings.GetOrCreateSettings();
if (AssetDatabase.IsValidFolder(path) && settings.DrawFolderIcons)
{
if (settings.TryMatchAgainstRules(path, out var pattern))
{
DrawFolderIcon(path, selectionrect, pattern, selected);
}
}
else if (asset != null && settings.DrawAssetIcons)
{
//if the class has an attribute defined, draw it
if (PvIconAttributeCache.TryGetClassAttribute(asset.GetType(), out var attrs))
{
foreach (PvIconAttribute attr in attrs)
{
TryDrawFromValue(asset, asset, selectionrect, attr, selected);
}
}
//else, descend into the members
else
{
bool didDraw = FindAndDrawAttributes(asset, selectionrect, selected);
}
}
/*if (didClip)
* {
* GUI.EndClip();
* }*/
}
private bool FindAndDrawAttributes(Object asset, Rect fullRect, bool selected)
{
//get all relevant attributes and member info on which they're declared
var triplets = PvIconAttributeCache.GetAttributeTriplets(asset.GetType());
IconSizeType sizeType = PvCustomizerUtility.GetSizeType(fullRect);
if (triplets.Exists(t => CanDisplay(t.Attr.Display, sizeType) && !t.Attr.DontEraseDefault))
{
Rect iconRect = PvCustomizerUtility.ItemRectToIconRect(fullRect, sizeType == IconSizeType.TreeView);
PvCustomizerGUI.DrawBackground(iconRect);
}
bool drewAtleastOnce = false;
foreach (var(member, attr, valueType) in triplets)
{
object value = member.GetMemberValue(asset);
drewAtleastOnce |= TryDrawFromValue(asset, value, fullRect, attr, selected);
}
return(drewAtleastOnce);
}
