using UnityEngine;
using UnityEditor;
using System.Collections;

[CustomEditor(typeof(DigitTotal))]
public class DigitTotalEditor : Editor {

    private DigitTotal _dTarget;

    private const int _maxDigit = 335;
    private string _placeHolder = string.Empty;

    public override void OnInspectorGUI() {
        _dTarget = (DigitTotal)target;

        _placeHolder = _dTarget.mazeNumData;
        if(_placeHolder.Length > 335){
            _placeHolder = _placeHolder.Substring(0, _maxDigit - 1);
        }

        DrawDefaultInspector();
        DrawCustomInspector();
    }

    void DrawCustomInspector() {
        GUIStyle guiStyle = EditorStyles.textArea;
        guiStyle.wordWrap = true;

        EditorGUI.BeginChangeCheck();

        _dTarget.mazeNumData = EditorGUILayout.TextArea(_dTarget.mazeNumData, guiStyle, new GUILayoutOption[]
        {
            GUILayout.Height(100f),
            GUILayout.Width(250f),
        });

        if(EditorGUI.EndChangeCheck()){
            if(_dTarget.mazeNumData.Length >= 338){
                _dTarget.mazeNumData.Remove((_dTarget.mazeNumData.Length - 1) - 3, 3);
            }
        }

        GUILayout.Space(5f);
        GUILayout.Label("Digits : " + _dTarget.mazeNumData.Length, EditorStyles.boldLabel);
    }
}