XRLoaderOrderUI.cs
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using System.Collections.Generic;
using UnityEditorInternal;
using UnityEngine;
using UnityEditor.XR.Management.Metadata;
namespace UnityEditor.XR.Management
{
internal interface IXRLoaderOrderManager
{
List<XRLoaderInfo> AssignedLoaders { get; }
List<XRLoaderInfo> UnassignedLoaders { get; }
void AssignLoader(XRLoaderInfo assignedInfo);
void UnassignLoader(XRLoaderInfo unassignedInfo);
void Update();
}
internal class XRLoaderOrderUI
{
struct LoaderInformation
{
public string packageName;
public string packageId;
public string loaderName;
public string loaderType;
public bool toggled;
public bool stateChanged;
}
const string k_AtNoLoaderInstance = "There are no XR plugins applicable to this platform.";
private List<LoaderInformation> m_LoaderMetadata = null;
ReorderableList m_OrderedList = null;
public BuildTargetGroup CurrentBuildTargetGroup { get; set; }
internal XRLoaderOrderUI()
{
}
void DrawElementCallback(Rect rect, int index, bool isActive, bool isFocused)
{
var li = m_LoaderMetadata[index];
li.toggled = XRPackageMetadataStore.IsLoaderAssigned(li.loaderType, CurrentBuildTargetGroup);
bool preToggledState = li.toggled;
li.toggled = EditorGUI.ToggleLeft(rect, li.loaderName, preToggledState);
if (li.toggled != preToggledState)
{
li.stateChanged = true;
m_LoaderMetadata[index] = li;
}
}
float GetElementHeight(int index)
{
return m_OrderedList.elementHeight;
}
internal bool OnGUI(BuildTargetGroup buildTargetGroup)
{
var settings = XRGeneralSettingsPerBuildTarget.XRGeneralSettingsForBuildTarget(buildTargetGroup);
if (buildTargetGroup != CurrentBuildTargetGroup || m_LoaderMetadata == null)
{
CurrentBuildTargetGroup = buildTargetGroup;
if (m_LoaderMetadata == null)
m_LoaderMetadata = new List<LoaderInformation>();
else
m_LoaderMetadata.Clear();
foreach (var pmd in XRPackageMetadataStore.GetLoadersForBuildTarget(buildTargetGroup))
{
m_LoaderMetadata.Add(new LoaderInformation() {
packageName = pmd.packageName,
packageId = pmd.packageId,
loaderName = pmd.loaderName,
loaderType = pmd.loaderType,
toggled = XRPackageMetadataStore.IsLoaderAssigned(pmd.loaderType, buildTargetGroup)
});
}
if (settings != null)
{
LoaderInformation li;
for (int i = 0; i < m_LoaderMetadata.Count; i++)
{
li = m_LoaderMetadata[i];
if (XRPackageMetadataStore.IsLoaderAssigned(settings.AssignedSettings, li.loaderType))
{
li.toggled = true;
m_LoaderMetadata[i] = li;
break;
}
}
}
m_OrderedList = new ReorderableList(m_LoaderMetadata, typeof(LoaderInformation), false, true, false, false);
m_OrderedList.drawHeaderCallback = (rect) => GUI.Label(rect, EditorGUIUtility.TrTextContent("Plug-in Providers"), EditorStyles.label);
m_OrderedList.drawElementCallback = (rect, index, isActive, isFocused) => DrawElementCallback(rect, index, isActive, isFocused);
m_OrderedList.elementHeightCallback = (index) => GetElementHeight(index);
}
if (m_LoaderMetadata == null || m_LoaderMetadata.Count == 0)
{
EditorGUILayout.HelpBox(k_AtNoLoaderInstance, MessageType.Info);
}
else
{
m_OrderedList.DoLayoutList();
if (settings != null)
{
LoaderInformation li;
for (int i = 0; i < m_LoaderMetadata.Count; i++)
{
li = m_LoaderMetadata[i];
if (li.stateChanged)
{
if (li.toggled)
{
XRPackageMetadataStore.InstallPackageAndAssignLoaderForBuildTarget(li.packageId, li.loaderType, buildTargetGroup);
}
else
{
XRPackageMetadataStore.RemoveLoader(settings.AssignedSettings, li.loaderType, buildTargetGroup);
}
li.stateChanged = false;
m_LoaderMetadata[i] = li;
}
}
}
}
return false;
}
}
}