private void AddButton(ReorderableList list)
{
GenericMenu menu = new GenericMenu();
List <System.Type> types = FlowchartEditor.FindAllDerivedTypes <Variable>();
// Add variable types without a category
foreach (var type in types)
{
VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
if (variableInfo == null ||
variableInfo.Category != "")
{
continue;
}
AddVariableInfo addVariableInfo = new AddVariableInfo();
addVariableInfo.flowchart = TargetFlowchart;
addVariableInfo.variableType = type;
GUIContent typeName = new GUIContent(variableInfo.VariableType);
menu.AddItem(typeName, false, AddVariable, addVariableInfo);
}
// Add types with a category
foreach (var type in types)
{
VariableInfoAttribute variableInfo = VariableEditor.GetVariableInfo(type);
if (variableInfo == null ||
variableInfo.Category == "")
{
continue;
}
AddVariableInfo info = new AddVariableInfo();
info.flowchart = TargetFlowchart;
info.variableType = type;
GUIContent typeName = new GUIContent(variableInfo.Category + "/" + variableInfo.VariableType);
menu.AddItem(typeName, false, AddVariable, info);
}
menu.ShowAsContext();
}
protected virtual void DrawOverlay(Flowchart flowchart)
{
GUILayout.Space(8);
GUILayout.BeginHorizontal();
GUILayout.Space(8);
if (GUILayout.Button(new GUIContent(addTexture, "Add a new block")))
{
Vector2 newNodePosition = new Vector2(50 - flowchart.ScrollPos.x,
50 - flowchart.ScrollPos.y);
CreateBlock(flowchart, newNodePosition);
}
GUILayout.Space(8);
flowchart.Zoom = GUILayout.HorizontalSlider(flowchart.Zoom, minZoomValue, maxZoomValue, GUILayout.Width(100));
GUILayout.FlexibleSpace();
GUILayout.BeginVertical();
GUILayout.Label(flowchart.name, EditorStyles.whiteBoldLabel);
if (flowchart.Description.Length > 0)
{
GUILayout.Label(flowchart.Description, EditorStyles.helpBox);
}
GUILayout.EndVertical();
GUILayout.EndHorizontal();
GUILayout.FlexibleSpace();
GUILayout.BeginHorizontal();
GUILayout.BeginVertical(GUILayout.Width(440));
GUILayout.FlexibleSpace();
flowchart.VariablesScrollPos = GUILayout.BeginScrollView(flowchart.VariablesScrollPos, GUILayout.MaxHeight(position.height * 0.75f));
GUILayout.FlexibleSpace();
GUILayout.Space(8);
FlowchartEditor flowchartEditor = Editor.CreateEditor(flowchart) as FlowchartEditor;
flowchartEditor.DrawVariablesGUI();
DestroyImmediate(flowchartEditor);
Rect variableWindowRect = GUILayoutUtility.GetLastRect();
if (flowchart.VariablesExpanded &&
flowchart.Variables.Count > 0)
{
variableWindowRect.y -= 20;
variableWindowRect.height += 20;
}
if (Event.current.type == EventType.Repaint)
{
mouseOverVariables = variableWindowRect.Contains(Event.current.mousePosition);
}
GUILayout.EndScrollView();
GUILayout.EndVertical();
GUILayout.FlexibleSpace();
GUILayout.EndHorizontal();
}