PackageItem.cs
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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 static string UnselectedClassName = "unselected";
public event Action<PackageItem> OnSelected = delegate {};
private readonly VisualElement root;
private string currentStateClass;
public bool isSelected;
public Package package { get; private set; }
public PackageGroup packageGroup;
public PackageItem() : this(null)
{
}
public PackageItem(Package package)
{
root = Resources.GetTemplate("PackageItem.uxml");
Add(root);
root.AddManipulator(new Clickable(Select));
SetSelected(false);
SetItem(package);
NameLabel.ShowTextTooltipOnSizeChange();
}
private void Select()
{
OnSelected(this);
}
public void SetSelected(bool value)
{
if (value)
{
RemoveFromClassList(UnselectedClassName);
AddToClassList(SelectedClassName);
}
else
{
RemoveFromClassList(SelectedClassName);
AddToClassList(UnselectedClassName);
}
Spinner.InvertColor = value;
isSelected = 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Outdated && package.LatestUpdate == package.Current)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 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();
}
}
}