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- using UnityEngine.Experimental.UIElements;
- using System;
-
- namespace UnityEditor.PackageManager.UI
- {
- #if !UNITY_2018_3_OR_NEWER
- internal class PackageItemFactory : UxmlFactory<PackageItem>
- {
- protected override PackageItem DoCreate(IUxmlAttributes bag, CreationContext cc)
- {
- return new PackageItem();
- }
- }
- #endif
-
- internal class PackageItem : VisualElement
- {
- #if UNITY_2018_3_OR_NEWER
- internal new class UxmlFactory : UxmlFactory<PackageItem> { }
- #endif
-
- public static string SelectedClassName = "selected";
-
- public event Action<PackageItem> OnSelected = delegate { };
-
- private readonly VisualElement root;
- private string currentStateClass;
- public Package package { get; private set; }
-
- public PackageItem previousItem;
- public PackageItem nextItem;
-
- public PackageGroup packageGroup;
-
- public PackageItem() : this(null)
- {
- }
-
- public PackageItem(Package package)
- {
- root = Resources.GetTemplate("PackageItem.uxml");
- Add(root);
-
- root.AddManipulator(new Clickable(Select));
- SetItem(package);
- }
-
- private void Select()
- {
- OnSelected(this);
- }
-
- public void SetSelected(bool value)
- {
- if (value)
- PackageContainer.AddToClassList(SelectedClassName);
- else
- PackageContainer.RemoveFromClassList(SelectedClassName);
-
- Spinner.InvertColor = value;
- }
-
- private void SetItem(Package package)
- {
- var displayPackage = package != null ? package.VersionToDisplay : null;
- if (displayPackage == null)
- return;
-
- this.package = package;
- OnPackageChanged();
- this.package.AddSignal.WhenOperation(OnPackageAdd);
- this.package.RemoveSignal.WhenOperation(OnPackageRemove);
- }
-
- private void OnPackageRemove(IRemoveOperation operation)
- {
- operation.OnOperationError += error => StopSpinner();
- OnPackageUpdate();
- }
-
- private void OnPackageAdd(IAddOperation operation)
- {
- operation.OnOperationError += error => StopSpinner();
- OnPackageUpdate();
- }
-
- private void OnPackageChanged()
- {
- var displayPackage = package != null ? package.VersionToDisplay : null;
- if (displayPackage == null)
- return;
-
- NameLabel.text = displayPackage.DisplayName;
- VersionLabel.text = displayPackage.Version.ToString();
-
- var stateClass = GetIconStateId(displayPackage);
- if (displayPackage.State == PackageState.Outdated && package.LatestUpdate == package.Current)
- stateClass = GetIconStateId(PackageState.UpToDate);
- if (PackageCollection.Instance.GetPackageError(package) != null)
- stateClass = GetIconStateId(PackageState.Error);
- if (stateClass == GetIconStateId(PackageState.UpToDate) && package.Current != null)
- stateClass = "installed";
-
- StateLabel.RemoveFromClassList(currentStateClass);
- StateLabel.AddToClassList(stateClass);
-
- UIUtils.SetElementDisplay(VersionLabel, !displayPackage.IsBuiltIn);
-
- currentStateClass = stateClass;
- if (displayPackage.State != PackageState.InProgress && Spinner.Started)
- StopSpinner();
- }
-
- private void OnPackageUpdate()
- {
- StartSpinner();
- }
-
- private void StartSpinner()
- {
- Spinner.Start();
- StateLabel.AddToClassList("no-icon");
- }
-
- private void StopSpinner()
- {
- Spinner.Stop();
- StateLabel.RemoveFromClassList("no-icon");
- }
-
- private Label NameLabel { get { return root.Q<Label>("packageName"); } }
- private Label StateLabel { get { return root.Q<Label>("packageState"); } }
- private Label VersionLabel { get { return root.Q<Label>("packageVersion"); } }
- private VisualElement PackageContainer { get { return root.Q<VisualElement>("packageContainer"); } }
- private LoadingSpinner Spinner { get { return root.Q<LoadingSpinner>("packageSpinner"); } }
-
- public static string GetIconStateId(PackageInfo packageInfo)
- {
- if (packageInfo == null)
- return "";
-
- return GetIconStateId(packageInfo.State);
- }
-
- public static string GetIconStateId(PackageState state)
- {
- return state.ToString().ToLower();
- }
- }
- }
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