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- using System.Collections.Generic;
- using System.Linq;
- using UnityEngine;
- using UnityEngine.Experimental.UIElements;
-
- namespace UnityEditor.PackageManager.UI
- {
- #if !UNITY_2018_3_OR_NEWER
- internal class PackageStatusBarFactory : UxmlFactory<PackageStatusBar>
- {
- protected override PackageStatusBar DoCreate(IUxmlAttributes bag, CreationContext cc)
- {
- return new PackageStatusBar();
- }
- }
- #endif
-
- internal class PackageStatusBar : VisualElement
- {
- #if UNITY_2018_3_OR_NEWER
- internal new class UxmlFactory : UxmlFactory<PackageStatusBar> { }
- #endif
-
- private readonly VisualElement root;
- private string LastErrorMessage;
-
- private List<IBaseOperation> operationsInProgress;
-
- private enum StatusType {Normal, Loading, Error};
-
- public PackageStatusBar()
- {
- root = Resources.GetTemplate("PackageStatusBar.uxml");
- Add(root);
-
- MoreAddOptionsButton.clickable.clicked += OnMoreAddOptionsButtonClick;
-
- LastErrorMessage = string.Empty;
- operationsInProgress = new List<IBaseOperation>();
-
- SetDefaultMessage();
-
- PackageCollection.Instance.ListSignal.WhenOperation(OnListOrSearchOperation);
- PackageCollection.Instance.SearchSignal.WhenOperation(OnListOrSearchOperation);
- }
-
- private void SetDefaultMessage()
- {
- if(!string.IsNullOrEmpty(PackageCollection.Instance.lastUpdateTime))
- SetStatusMessage(StatusType.Normal, "Last update " + PackageCollection.Instance.lastUpdateTime);
- else
- SetStatusMessage(StatusType.Normal, string.Empty);
- }
-
- private void OnListOrSearchOperation(IBaseOperation operation)
- {
- if (operation == null || operation.IsCompleted)
- return;
- operationsInProgress.Add(operation);
- operation.OnOperationFinalized += () => { OnOperationFinalized(operation); };
- operation.OnOperationError += OnOperationError;
-
- SetStatusMessage(StatusType.Loading, "Loading packages...");
- }
-
- private void OnOperationFinalized(IBaseOperation operation)
- {
- operationsInProgress.Remove(operation);
-
- if (operationsInProgress.Any()) return;
-
- var errorMessage = LastErrorMessage;
-
- if (Application.internetReachability == NetworkReachability.NotReachable)
- {
- EditorApplication.update -= CheckInternetReachability;
- EditorApplication.update += CheckInternetReachability;
-
- errorMessage = "You seem to be offline.";
- }
-
- if (!string.IsNullOrEmpty(errorMessage))
- SetStatusMessage(StatusType.Error, errorMessage);
- else
- SetDefaultMessage();
- }
-
- private void OnOperationError(Error error)
- {
- LastErrorMessage = "Cannot load packages, see console.";
- }
-
- private void CheckInternetReachability()
- {
- if (Application.internetReachability == NetworkReachability.NotReachable) return;
-
- PackageCollection.Instance.FetchListCache(true);
- PackageCollection.Instance.FetchSearchCache(true);
- EditorApplication.update -= CheckInternetReachability;
- }
-
- private void SetStatusMessage(StatusType status, string message)
- {
- if (status == StatusType.Loading)
- LoadingSpinner.Start();
- else
- LoadingSpinner.Stop();
-
- UIUtils.SetElementDisplay(LoadingIcon, status == StatusType.Error);
- if (status == StatusType.Error)
- LoadingText.AddToClassList("icon");
- else
- LoadingText.RemoveFromClassList("icon");
-
- LoadingText.text = message;
- }
-
- private void OnMoreAddOptionsButtonClick()
- {
- var menu = new GenericMenu();
-
- var addPackageFromDiskItem = new GUIContent("Add package from disk...");
-
- /* // Disable adding from url field before the feature is ready
- var addPackageFromUrlItem = new GUIContent("Add package from URL...");
- menu.AddItem(addPackageFromUrlItem, false, delegate
- {
- AddFromUrlField.Show(true);
- });
- */
-
- menu.AddItem(addPackageFromDiskItem, false, delegate
- {
- var path = EditorUtility.OpenFilePanelWithFilters("Select package on disk", "", new[] { "package.json file", "json" });
- if (!string.IsNullOrEmpty(path) && !Package.AddRemoveOperationInProgress)
- Package.AddFromLocalDisk(path);
- });
- var menuPosition = MoreAddOptionsButton.LocalToWorld(new Vector2(MoreAddOptionsButton.layout.width, 0));
- var menuRect = new Rect(menuPosition, Vector2.zero);
- menu.DropDown(menuRect);
- }
-
- private PackageAddFromUrlField AddFromUrlField { get { return root.Q<PackageAddFromUrlField>("packageAddFromUrlField"); }}
- private VisualElement LoadingSpinnerContainer { get { return root.Q<VisualElement>("loadingSpinnerContainer"); }}
- private LoadingSpinner LoadingSpinner { get { return root.Q<LoadingSpinner>("packageSpinner"); }}
- private Label LoadingIcon { get { return root.Q<Label>("loadingIcon"); }}
- private Label LoadingText { get { return root.Q<Label>("loadingText"); }}
- private Button MoreAddOptionsButton{ get { return root.Q<Button>("moreAddOptionsButton"); }}
- }
- }
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