Assets/uGUI-2017.1/Editor/UI/PropertyDrawers/SpriteStateDrawer.cs


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using UnityEngine;
using UnityEngine.UI;

namespace UnityEditor.UI
{
    [CustomPropertyDrawer(typeof(SpriteState), true)]
    public class SpriteStateDrawer : PropertyDrawer
    {
        public override void OnGUI(Rect rect, SerializedProperty prop, GUIContent label)
        {
            Rect drawRect = rect;
            drawRect.height = EditorGUIUtility.singleLineHeight;
            SerializedProperty highlightedSprite = prop.FindPropertyRelative("m_HighlightedSprite");
            SerializedProperty pressedSprite = prop.FindPropertyRelative("m_PressedSprite");
            SerializedProperty disabledSprite = prop.FindPropertyRelative("m_DisabledSprite");

            EditorGUI.PropertyField(drawRect, highlightedSprite);
            drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
            EditorGUI.PropertyField(drawRect, pressedSprite);
            drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
            EditorGUI.PropertyField(drawRect, disabledSprite);
            drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
        }

        public override float GetPropertyHeight(SerializedProperty prop, GUIContent label)
        {
            return 3 * EditorGUIUtility.singleLineHeight + 2 * EditorGUIUtility.standardVerticalSpacing;
        }
    }
}