startDrag

Definition

• Type: Field
• Namespace: UnityEditor.Search
• Assembly: UnityEditor

public Action<SearchItem, SearchContext> startDrag

Examples

[SearchItemProvider]internal static SearchProvider CreateProvider(){    return new SearchProvider("example_tree", "Trees")    {        filterId = "tree:",        priority = 99999, // Put example provider at a low priority        showDetailsOptions = ShowDetailsOptions.Inspector | ShowDetailsOptions.Actions,        fetchItems = (context, items, provider) => FetchItems(context, provider),        fetchThumbnail = (item, context) => AssetDatabase.GetCachedIcon(item.id) as Texture2D,        fetchPreview = (item, context, size, options) => AssetDatabase.GetCachedIcon(item.id) as Texture2D,        fetchLabel = (item, context) => AssetDatabase.LoadMainAssetAtPath(item.id).name,        fetchDescription = (item, context) => AssetDatabase.LoadMainAssetAtPath(item.id).name,        toObject = (item, type) => AssetDatabase.LoadMainAssetAtPath(item.id),        trackSelection = TrackSelection,        startDrag = StartDrag    };}private static IEnumerable<SearchItem> FetchItems(SearchContext context, SearchProvider provider){    if (context.empty)        yield break;    // Yield items asynchronously which is the recommended way.    foreach (var guid in AssetDatabase.FindAssets("t:Prefab tree " + context.searchQuery))        yield return provider.CreateItem(context, AssetDatabase.GUIDToAssetPath(guid), null, null, null, null);}private static void TrackSelection(SearchItem searchItem, SearchContext searchContext){    EditorGUIUtility.PingObject(AssetDatabase.LoadMainAssetAtPath(searchItem.id));}private static void StartDrag(SearchItem item, SearchContext context){    if (context.selection.Count > 1)    {        var selectedObjects = context.selection.Select(i => AssetDatabase.LoadMainAssetAtPath(i.id));        var paths = context.selection.Select(i => i.id).ToArray();        StartDrag(selectedObjects.ToArray(), paths, item.GetLabel(context, true));    }    else        StartDrag(new[] { AssetDatabase.LoadMainAssetAtPath(item.id) }, new[] { item.id }, item.GetLabel(context, true));}public static void StartDrag(UnityEngine.Object[] objects, string[] paths, string label = null){    if (paths == null || paths.Length == 0)        return;    DragAndDrop.PrepareStartDrag();    DragAndDrop.objectReferences = objects;    DragAndDrop.paths = paths;    DragAndDrop.StartDrag(label);}