private void OnAddVariable(ReorderableList list)
{
int idx = m_VariablesList.Count + 1;
var uniqueVarName = $"var{idx++}";
while (m_VariablesList.Contains(uniqueVarName))
{
uniqueVarName = $"var{idx++}";
}
m_VariablesList.Add(uniqueVarName);
var newVar = m_Node.AddVariable(uniqueVarName, null);
variableAdded?.Invoke(m_Node, newVar.name);
}
private SearchExpressionNode LoadNodeData(SearchExpressionNode node, IDictionary info)
{
if (SJSON.TryGetValue(info, ExpressionField.name, out var name))
{
node.name = Convert.ToString(name);
}
if (SJSON.TryGetValue(info, ExpressionField.value, out var value))
{
node.value = value;
}
if (SJSON.TryGetValue(info, ExpressionField.source, out var source))
{
if (source is IDictionary nestedSource)
{
node.source = ParseNode(nestedSource);
}
else if (node.type == ExpressionType.Provider)
{
node.value = (string)source;
}
else if (m_Nodes.TryGetValue((string)source, out var sourceNode))
{
node.source = sourceNode;
}
else
{
throw new ExpressionException($"Expression node {node.id} has an invalid source {source}");
}
}
if (SJSON.TryGetValue(info, ExpressionField.position, out var _obj) && _obj is object[] position && position.Length == 2)
{
node.position = new Vector2((float)(double)position[0], (float)(double)position[1]);
}
if (SJSON.TryGetValue(info, ExpressionField.variables, out var variablesData))
{
var variables = (IDictionary)variablesData;
foreach (var v in variables)
{
var varName = (string)((DictionaryEntry)v).Key;
var valueSource = ((DictionaryEntry)v).Value;
if (valueSource == null)
{
node.AddVariable(varName);
}
else if (valueSource is IDictionary nestedSource)
{
node.AddVariable(varName, ParseNode(nestedSource));
}
else if (valueSource is string && m_Nodes.TryGetValue((string)valueSource, out var sourceNode))
{
node.AddVariable(varName, sourceNode);
}
else
{
throw new ExpressionException(node, $"Expression node {node.id} has an invalid variable {varName} with source {valueSource}");
}
}
}
if (SJSON.TryGetValue(info, ExpressionField.properties, out var propertiesData))
{
var properties = (IDictionary)propertiesData;
foreach (var v in properties)
{
var propertyName = (string)((DictionaryEntry)v).Key;
var propertyValue = ((DictionaryEntry)v).Value;
node.SetProperty(propertyName, propertyValue);
}
}
return(node);
}
