XCharts/Editor/PropertyDrawers/TextStyleDrawer.cs

/******************************************/
/*                                        */
/*     Copyright (c) 2018 monitor1394     */
/*     https://github.com/monitor1394     */
/*                                        */
/******************************************/

using System.Collections.Generic;
using UnityEditor;
using UnityEngine;

namespace XCharts
{
    [CustomPropertyDrawer(typeof(TextStyle), true)]
    public class TextStyleDrawer : PropertyDrawer
    {
        private Dictionary<string, bool> m_TextStyleToggle = new Dictionary<string, bool>();

        public override void OnGUI(Rect pos, SerializedProperty prop, GUIContent label)
        {
            Rect drawRect = pos;
            drawRect.height = EditorGUIUtility.singleLineHeight;
            SerializedProperty m_Font = prop.FindPropertyRelative("m_Font");
            SerializedProperty m_Rotate = prop.FindPropertyRelative("m_Rotate");
            SerializedProperty m_Color = prop.FindPropertyRelative("m_Color");
            SerializedProperty m_BackgroundColor = prop.FindPropertyRelative("m_BackgroundColor");
            SerializedProperty m_FontSize = prop.FindPropertyRelative("m_FontSize");
            SerializedProperty m_FontStyle = prop.FindPropertyRelative("m_FontStyle");
            SerializedProperty m_Offset = prop.FindPropertyRelative("m_Offset");
            SerializedProperty m_LineSpacing = prop.FindPropertyRelative("m_LineSpacing");
            ChartEditorHelper.MakeFoldout(ref drawRect, ref m_TextStyleToggle, prop, null,null,false);
            drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
            if (ChartEditorHelper.IsToggle(m_TextStyleToggle, prop))
            {
                ++EditorGUI.indentLevel;
                EditorGUI.PropertyField(drawRect, m_Font);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_Rotate);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_Offset);
                drawRect.y += EditorGUI.GetPropertyHeight(m_Offset);
                EditorGUI.PropertyField(drawRect, m_Color);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_BackgroundColor);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_FontSize);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_FontStyle);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                EditorGUI.PropertyField(drawRect, m_LineSpacing);
                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                --EditorGUI.indentLevel;
            }
        }

        public override float GetPropertyHeight(SerializedProperty prop, GUIContent label)
        {
            float height = 0;
            if (ChartEditorHelper.IsToggle(m_TextStyleToggle, prop))
            {
                height += 8 * EditorGUIUtility.singleLineHeight + 7 * EditorGUIUtility.standardVerticalSpacing;
                height += EditorGUI.GetPropertyHeight(prop.FindPropertyRelative("m_Offset"));
            }
            else
            {
                height += 1 * EditorGUIUtility.singleLineHeight + 1 * EditorGUIUtility.standardVerticalSpacing;
            }
            return height;
        }
    }
}