71 lines
2.1 KiB
C#
71 lines
2.1 KiB
C#
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using UnityEngine;
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using UnityEditor;
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using System.Collections;
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[CustomPropertyDrawer(typeof(ResourcePathAttribute))]
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public class ResourcePathDrawer : PropertyDrawer
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{
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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// Now draw the property as a Slider or an IntSlider based on whether it's a float or integer.
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if (property.propertyType == SerializedPropertyType.String)
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{
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EditorGUI.PropertyField(position, property, label);
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this.DragAndDropArea(position, property);
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}
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else
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{
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EditorGUI.LabelField(position, label.text, "ResourcePath requires string.");
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}
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}
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private void DragAndDropArea(Rect position, SerializedProperty property)
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{
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Event evt = Event.current;
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Rect drop_area = new Rect((position.x + EditorGUIUtility.labelWidth), position.y, (EditorGUIUtility.currentViewWidth - 20f - EditorGUIUtility.labelWidth), EditorGUIUtility.singleLineHeight);
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//GUIStyle boxStyle = new GUIStyle(GUI.skin.box);
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//boxStyle.alignment = TextAnchor.MiddleCenter;
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//GUI.Box(drop_area, "Drop Prefab Here", boxStyle);
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switch (evt.type)
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{
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case EventType.DragUpdated:
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case EventType.DragPerform:
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{
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if (!drop_area.Contains(evt.mousePosition))
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return;
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DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
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if (evt.type == EventType.DragPerform)
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{
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DragAndDrop.AcceptDrag();
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if (DragAndDrop.objectReferences == null || DragAndDrop.objectReferences.Length == 0)
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return;
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string path = AssetDatabase.GetAssetPath(DragAndDrop.objectReferences[0]);
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// Check if it's in the resources folder
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if (path.IndexOf("Resources/") == -1)
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{
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Debug.LogWarning("The given prefab is not in the resources folder!");
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return;
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}
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// Apply to the prefab field
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path = path.Substring(path.IndexOf("Resources/") + 10);
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// Remove asset extension
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if (path.IndexOf(".") > -1)
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path = path.Substring(0, path.LastIndexOf("."));
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// Apply to the string property
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property.stringValue = path;
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}
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break;
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}
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}
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}
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}
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