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Copy pathBuildPlayerSceneTreeView.cs
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Copy pathBuildPlayerSceneTreeView.cs
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323 lines (284 loc) · 11.5 KB
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// Unity C# reference source
// Copyright (c) Unity Technologies. For terms of use, see
// https://unity3d.com/legal/licenses/Unity_Reference_Only_License
using UnityEngine;
using System.Collections.Generic;
using System.IO;
using UnityEditor.IMGUI.Controls;
namespace UnityEditor
{
internal class BuildPlayerSceneTreeViewItem : TreeViewItem
{
private const string kAssetsFolder = "Assets/";
private const string kSceneExtension = ".unity";
public static int kInvalidCounter = -1;
public bool active;
public int counter;
public string fullName;
public GUID guid;
public void UpdateName()
{
var name = AssetDatabase.GUIDToAssetPath(guid.ToString());
if (name != fullName)
{
fullName = name;
displayName = fullName;
if (displayName.StartsWith(kAssetsFolder))
displayName = displayName.Remove(0, kAssetsFolder.Length);
var ext = displayName.LastIndexOf(kSceneExtension);
if (ext > 0)
displayName = displayName.Substring(0, ext);
}
}
public BuildPlayerSceneTreeViewItem(int id, int depth, GUID g, bool state) : base(id, depth)
{
active = state;
counter = kInvalidCounter;
guid = g;
fullName = "";
UpdateName();
}
}
internal class BuildPlayerSceneTreeView : TreeView
{
public BuildPlayerSceneTreeView(TreeViewState state) : base(state)
{
showBorder = true;
EditorBuildSettings.sceneListChanged += HandleExternalSceneListChange;
}
internal void UnsubscribeListChange()
{
EditorBuildSettings.sceneListChanged -= HandleExternalSceneListChange;
}
private void HandleExternalSceneListChange()
{
Reload();
}
protected override TreeViewItem BuildRoot()
{
var root = new TreeViewItem(-1, -1);
root.children = new List<TreeViewItem>();
List<EditorBuildSettingsScene> scenes = new List<EditorBuildSettingsScene>(EditorBuildSettings.scenes);
foreach (var sc in scenes)
{
var item = new BuildPlayerSceneTreeViewItem(sc.guid.GetHashCode(), 0, sc.guid, sc.enabled);
root.AddChild(item);
}
return root;
}
protected override bool CanBeParent(TreeViewItem item)
{
return false;
}
protected override void BeforeRowsGUI()
{
int counter = 0;
foreach (var item in rootItem.children)
{
var bpst = item as BuildPlayerSceneTreeViewItem;
if (bpst == null)
continue;
bpst.UpdateName();
//Need to set counter here because RowGUI is only called on items that are visible.
if (bpst.active)
{
bpst.counter = counter;
counter++;
}
else
bpst.counter = BuildPlayerSceneTreeViewItem.kInvalidCounter;
}
base.BeforeRowsGUI();
}
protected override void RowGUI(RowGUIArgs args)
{
var sceneItem = args.item as BuildPlayerSceneTreeViewItem;
if (sceneItem != null)
{
var sceneWasDeleted = sceneItem.guid.Empty();
var sceneExists = !sceneWasDeleted && File.Exists(sceneItem.fullName);
using (new EditorGUI.DisabledScope(!sceneExists))
{
var newState = sceneItem.active;
if (!sceneExists)
newState = false;
newState = GUI.Toggle(new Rect(args.rowRect.x, args.rowRect.y, 16f, 16f), newState, "");
if (newState != sceneItem.active)
{
if (GetSelection().Contains(sceneItem.id))
{
var selection = GetSelection();
foreach (var id in selection)
{
var item = FindItem(id, rootItem) as BuildPlayerSceneTreeViewItem;
item.active = newState;
}
}
else
{
sceneItem.active = newState;
}
EditorBuildSettings.scenes = GetSceneList();
}
base.RowGUI(args);
if (sceneItem.counter != BuildPlayerSceneTreeViewItem.kInvalidCounter)
{
TreeView.DefaultGUI.LabelRightAligned(args.rowRect, "" + sceneItem.counter, args.selected, args.focused);
}
else if (sceneItem.displayName == string.Empty || !sceneExists)
{
TreeView.DefaultGUI.LabelRightAligned(args.rowRect, "Deleted", args.selected, args.focused);
}
}
}
else
base.RowGUI(args);
}
protected override DragAndDropVisualMode HandleDragAndDrop(DragAndDropArgs args)
{
DragAndDropVisualMode visualMode = DragAndDropVisualMode.None;
var draggedIDs = DragAndDrop.GetGenericData("BuildPlayerSceneTreeViewItem") as List<int>;
if (draggedIDs != null && draggedIDs.Count > 0)
{
visualMode = DragAndDropVisualMode.Move;
if (args.performDrop)
{
int newIndex = FindDropAtIndex(args);
var result = new List<TreeViewItem>();
int toInsert = 0;
foreach (var item in rootItem.children)
{
if (toInsert == newIndex)
{
foreach (var id in draggedIDs)
{
result.Add(FindItem(id, rootItem));
}
}
toInsert++;
if (!draggedIDs.Contains(item.id))
{
result.Add(item);
}
}
if (result.Count < rootItem.children.Count) //must be appending.
{
foreach (var id in draggedIDs)
{
result.Add(FindItem(id, rootItem));
}
}
rootItem.children = result;
EditorBuildSettings.scenes = GetSceneList();
ReloadAndSelect(draggedIDs);
Repaint();
}
}
else if (DragAndDrop.paths != null && DragAndDrop.paths.Length > 0)
{
visualMode = DragAndDropVisualMode.Copy;
if (args.performDrop)
{
var scenes = new List<EditorBuildSettingsScene>(EditorBuildSettings.scenes);
var scenesToAdd = new List<EditorBuildSettingsScene>();
var selection = new List<int>();
foreach (var path in DragAndDrop.paths)
{
if (AssetDatabase.GetMainAssetTypeAtPath(path) == typeof(SceneAsset))
{
var guid = new GUID(AssetDatabase.AssetPathToGUID(path));
selection.Add(guid.GetHashCode());
bool unique = true;
foreach (var scene in scenes)
{
if (scene.path == path)
{
unique = false;
break;
}
}
if (unique)
scenesToAdd.Add(new EditorBuildSettingsScene(path, true));
}
}
int newIndex = FindDropAtIndex(args);
scenes.InsertRange(newIndex, scenesToAdd);
EditorBuildSettings.scenes = scenes.ToArray();
ReloadAndSelect(selection);
Repaint();
}
}
return visualMode;
}
private void ReloadAndSelect(IList<int> hashCodes)
{
Reload();
SetSelection(hashCodes, TreeViewSelectionOptions.RevealAndFrame);
SelectionChanged(hashCodes);
}
protected override void DoubleClickedItem(int id)
{
BuildPlayerSceneTreeViewItem item = FindItem(id , rootItem) as BuildPlayerSceneTreeViewItem;
int instanceID = AssetDatabase.GetMainAssetOrInProgressProxyInstanceID(item.fullName);
EditorGUIUtility.PingObject(instanceID);
}
protected int FindDropAtIndex(DragAndDropArgs args)
{
int indexToDrop = args.insertAtIndex;
// covers if(args.dragAndDropPosition == DragAndDropPosition.OutsideItems) and a safety check.
if (indexToDrop < 0 || indexToDrop > rootItem.children.Count)
indexToDrop = rootItem.children.Count;
return indexToDrop;
}
protected override bool CanStartDrag(CanStartDragArgs args)
{
return true;
}
protected override void SetupDragAndDrop(SetupDragAndDropArgs args)
{
DragAndDrop.PrepareStartDrag();
DragAndDrop.paths = null;
DragAndDrop.objectReferences = new UnityEngine.Object[] {};
DragAndDrop.SetGenericData("BuildPlayerSceneTreeViewItem", new List<int>(args.draggedItemIDs));
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
DragAndDrop.StartDrag("BuildPlayerSceneTreeView");
}
protected override void KeyEvent()
{
if ((Event.current.keyCode == KeyCode.Delete || Event.current.keyCode == KeyCode.Backspace) &&
(GetSelection().Count > 0))
{
RemoveSelection();
}
}
protected override void ContextClicked()
{
if (GetSelection().Count > 0)
{
GenericMenu menu = new GenericMenu();
menu.AddItem(EditorGUIUtility.TrTextContent("Remove Selection"), false, RemoveSelection);
menu.ShowAsContext();
}
}
protected void RemoveSelection()
{
foreach (var nodeID in GetSelection())
{
rootItem.children.Remove(FindItem(nodeID, rootItem));
}
EditorBuildSettings.scenes = GetSceneList();
Reload();
Repaint();
}
public EditorBuildSettingsScene[] GetSceneList()
{
var sceneList = new EditorBuildSettingsScene[rootItem.children.Count];
for (int index = 0; index < rootItem.children.Count; index++)
{
var sceneItem = rootItem.children[index] as BuildPlayerSceneTreeViewItem;
sceneList[index] = new EditorBuildSettingsScene(sceneItem.fullName, sceneItem.active);
}
return sceneList;
}
}
}
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