private static GeneratorTreeGenerator AddGeneratorToTree(List <GeneratorTreeItem> generatorTree, System.Type generatorType, GeneratorAttribute attribute)
{
var path = attribute.path;
int depth = 0;
int categoryCount = path.Length - 1;
GeneratorTreeCategory parent = null;
var items = generatorTree;
while (depth < categoryCount)
{
var category = items.Find((GeneratorTreeItem item) =>
{
return(item.content.text == path[depth] && item is GeneratorTreeCategory);
});
if (category == null)
{
break;
}
parent = (GeneratorTreeCategory)category;
items = parent.items;
++depth;
}
while (depth < categoryCount)
{
var category = new GeneratorTreeCategory(path[depth], parent);
items.Add(category);
parent = category;
items = parent.items;
++depth;
}
var creatorMethod = FindCreatorMethod(generatorType);
if (creatorMethod != null)
{
var item = new GeneratorTreeGenerator(path[depth], parent, (GeneratorExecutive collection, int insertionIndex) =>
{
var generator = (Generator)creatorMethod.Invoke(null, new object[2] {
collection, attribute.name
});
collection.Insert(insertionIndex, generator);
});
items.Add(item);
return(item);
}
else
{
var item = new GeneratorTreeGenerator(new GUIContent(path[depth], "A generator of this type cannot be created because no valid creation function was found."), parent, null);
items.Add(item);
return(item);
}
}
public override void OnGUI(Rect rect)
{
InitializeStyles();
List <GeneratorTreeItem> items;
var selectedCategory = _openCategory;
if (_openCategory == null)
{
items = _generatorTree;
GUILayout.Label(GUIContent.none, _titleStyle, GUILayout.ExpandWidth(true));
var titleRect = GUILayoutUtility.GetLastRect();
var titleTextRect = titleRect;
titleTextRect.yMin += 4;
GUI.Label(titleTextRect, "Generator", _titleTextStyle);
}
else
{
items = _openCategory.items;
GUILayout.Label(GUIContent.none, _titleStyle, GUILayout.ExpandWidth(true));
var titleRect = GUILayoutUtility.GetLastRect();
if (GUI.Button(titleRect, GUIContent.none, GUIStyle.none))
{
selectedCategory = selectedCategory.parent;
}
var titleTextRect = titleRect;
titleTextRect.yMin += 4;
GUI.Label(titleTextRect, _openCategory.content, _subtitleTextStyle);
GUI.DrawTexture(
new Rect(
5f,
titleRect.yMin + (titleRect.height - _leftArrowTexture.height) / 2f + 1f,
_leftArrowTexture.width,
_leftArrowTexture.height),
_leftArrowTexture,
ScaleMode.ScaleAndCrop,
true);
}
_scrollPosition = GUILayout.BeginScrollView(_scrollPosition, false, false);
foreach (var item in items)
{
if (item is GeneratorTreeCategory)
{
var category = (GeneratorTreeCategory)item;
GUIExtensions.PushEnable(category.items.Count > 0);
if (GUILayout.Button(category.content, _categoryStyle))
{
selectedCategory = category;
}
GUIExtensions.PopEnable();
var categoryRect = GUILayoutUtility.GetLastRect();
GUI.DrawTexture(
new Rect(
categoryRect.xMax - _rightArrowTexture.width - 1f,
categoryRect.yMin + (categoryRect.height - _rightArrowTexture.height) / 2f,
_rightArrowTexture.width,
_rightArrowTexture.height),
_rightArrowTexture,
ScaleMode.ScaleAndCrop,
true);
}
else if (item is GeneratorTreeGenerator)
{
var generator = (GeneratorTreeGenerator)item;
GUIExtensions.PushEnable(generator.onSelect != null);
if (GUILayout.Button(generator.content, _generatorStyle))
{
generator.onSelect(_executive, _executive.generators.Count);
editorWindow.Close();
}
GUIExtensions.PopEnable();
}
}
GUILayout.EndScrollView();
editorWindow.Repaint();
_openCategory = selectedCategory;
}
public GeneratorTreeCategory(GUIContent content, GeneratorTreeCategory parent)
: base(content, parent)
{
items = new List <GeneratorTreeItem>();
}
public GeneratorTreeCategory(string name, GeneratorTreeCategory parent)
: base(name, parent)
{
items = new List <GeneratorTreeItem>();
}
public GeneratorTreeGenerator(GUIContent content, GeneratorTreeCategory parent, System.Action <GeneratorExecutive, int> onSelect)
: base(content, parent)
{
this.onSelect = onSelect;
}
public GeneratorTreeGenerator(string name, GeneratorTreeCategory parent, System.Action <GeneratorExecutive, int> onSelect)
: base(name, parent)
{
this.onSelect = onSelect;
}
public GeneratorTreeItem(GUIContent content, GeneratorTreeCategory parent)
{
this.content = content;
this.parent = parent;
}
public GeneratorTreeItem(string name, GeneratorTreeCategory parent)
{
content = new GUIContent(name);
this.parent = parent;
}
