private void InitializeExpression()
{
if (m_Expression != null)
{
return;
}
m_ExpressionPath = AssetDatabase.GetAssetPath(target);
m_ExpressionName = Path.GetFileNameWithoutExtension(m_ExpressionPath);
m_ExpressionTitle = new GUIContent(m_ExpressionName, Icons.quicksearch, m_ExpressionPath);
m_Expression = new SearchExpression(SearchSettings.GetContextOptions());
m_Expression.Load(m_ExpressionPath);
m_Expression.Evaluate();
}
public void OnEnable()
{
m_Expression = new SearchExpression(SearchSettings.GetContextOptions());
m_ExpressionGraph = new ExpressionGraph(m_Expression);
titleContent = new GUIContent("Expression Builder", Icons.quicksearch);
#if UNITY_2020_2_OR_NEWER
wantsLessLayoutEvents = true;
#endif
BuildUI();
Reload();
m_ExpressionGraph.nodeChanged += OnNodePropertiesChanged;
m_ExpressionGraph.graphChanged += OnGraphChanged;
m_ExpressionGraph.selectionChanged += OnSelectionChanged;
m_NodeEditor.propertiesChanged += OnNodePropertiesChanged;
m_NodeEditor.variableAdded += OnNodeVariableAdded;
m_NodeEditor.variableRemoved += OnNodeVariableRemoved;
m_NodeEditor.variableRenamed += OnNodeVariableRenamed;
}